{"id":4250,"date":"2022-12-07T09:45:58","date_gmt":"2022-12-07T02:45:58","guid":{"rendered":"https:\/\/dpm360.com\/?post_type=product&#038;p=4250"},"modified":"2023-09-01T08:35:00","modified_gmt":"2023-09-01T01:35:00","slug":"hat-nhua-hdpe","status":"publish","type":"product","link":"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/","title":{"rendered":"H\u1ea1t nh\u1ef1a HDPE"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_27 ez-toc-wrap-left counter-hierarchy counter-decimal ez-toc-grey\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><i class=\"ez-toc-glyphicon ez-toc-icon-toggle\"><\/i><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class=\"ez-toc-list ez-toc-list-level-1\"><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Hat_nhua_HDPE\" title=\"H\u1ea1t nh\u1ef1a HDPE\">H\u1ea1t nh\u1ef1a HDPE<\/a><ul class=\"ez-toc-list-level-3\"><li class=\"ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Luoc_su_phat_trien_hat_nhua_HDPE\" title=\"L\u01b0\u1ee3c s\u1eed ph\u00e1t tri\u1ec3n h\u1ea1t nh\u1ef1a HDPE\">L\u01b0\u1ee3c s\u1eed ph\u00e1t tri\u1ec3n h\u1ea1t nh\u1ef1a HDPE<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Phan_tu_nhua_HDPE\" title=\"Ph\u00e2n t\u1eed nh\u1ef1a HDPE\">Ph\u00e2n t\u1eed nh\u1ef1a HDPE<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Tinh_nang_hat_nhua_HDPE\" title=\"T\u00ednh n\u0103ng h\u1ea1t nh\u1ef1a HDPE\">T\u00ednh n\u0103ng h\u1ea1t nh\u1ef1a HDPE<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Quy_trinh_san_xuat_hat_nhua_HDPE\" title=\"Quy tr\u00ecnh s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a HDPE\">Quy tr\u00ecnh s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a HDPE<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Dieu_chinh_trong_luong_phan_tu\" title=\"\u0110i\u1ec1u ch\u1ec9nh tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed\">\u0110i\u1ec1u ch\u1ec9nh tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Dieu_chinh_chat_phu_gia_khi_san_xuat\" title=\"\u0110i\u1ec1u ch\u1ec9nh ch\u1ea5t ph\u1ee5 gia khi s\u1ea3n xu\u1ea5t\">\u0110i\u1ec1u ch\u1ec9nh ch\u1ea5t ph\u1ee5 gia khi s\u1ea3n xu\u1ea5t<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Xu_ly_phuong_phap_san_xuat_hat_nhua_HDPE\" title=\"X\u1eed l\u00fd ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a HDPE\">X\u1eed l\u00fd ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a HDPE<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Muc_dich_chinh_su_dung_hat_nhua_HDPE\" title=\"M\u1ee5c \u0111\u00edch ch\u00ednh s\u1eed d\u1ee5ng h\u1ea1t nh\u1ef1a HDPE\">M\u1ee5c \u0111\u00edch ch\u00ednh s\u1eed d\u1ee5ng h\u1ea1t nh\u1ef1a HDPE<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Dong_goi_luu_tru_va_van_chuyen_hat_nhua_HDPE\" title=\"\u0110\u00f3ng g\u00f3i, l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n h\u1ea1t nh\u1ef1a HDPE\">\u0110\u00f3ng g\u00f3i, l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n h\u1ea1t nh\u1ef1a HDPE<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-3\"><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/#Tai_che_hat_nhua_HDPE\" title=\"T\u00e1i ch\u1ebf h\u1ea1t nh\u1ef1a HDPE\">T\u00e1i ch\u1ebf h\u1ea1t nh\u1ef1a HDPE<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Hat_nhua_HDPE\"><\/span><span style=\"color: #008000; font-size: 12pt;\"><em><strong>H\u1ea1t nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a HDPE l\u00e0 Polyetylen t\u1ef7 tr\u1ecdng cao (HDPE), m\u1ed9t s\u1ea3n ph\u1ea9m d\u1ea1ng b\u1ed9t ho\u1eb7c d\u1ea1ng h\u1ea1t m\u00e0u tr\u1eafng. Kh\u00f4ng \u0111\u1ed9c h\u1ea1i, kh\u00f4ng v\u1ecb, \u0111\u1ed9 k\u1ebft tinh t\u1eeb 80% \u0111\u1ebfn 90%, \u0111i\u1ec3m h\u00f3a m\u1ec1m t\u1eeb 125 \u0111\u1ebfn 135\u00b0C, nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng l\u00ean \u0111\u1ebfn 100\u00b0C; \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 r\u00e3o t\u1ed1t h\u01a1n polyetylen m\u1eadt \u0111\u1ed9 th\u1ea5p; ch\u1ed1ng m\u00e0i m\u00f2n, c\u00e1ch \u0111i\u1ec7n t\u1ed1t, \u0111\u1ed9 d\u1ebbo dai v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1nh; t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc t\u1ed1t. Kh\u00f4ng h\u00f2a tan trong b\u1ea5t k\u1ef3 dung m\u00f4i h\u1eefu c\u01a1 n\u00e0o \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, ch\u1ed1ng \u0103n m\u00f2n v\u1edbi axit, ki\u1ec1m v\u00e0 c\u00e1c lo\u1ea1i mu\u1ed1i kh\u00e1c nhau; m\u00e0ng c\u00f3 t\u00ednh th\u1ea5m h\u01a1i n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed th\u1ea5p, \u0111\u1ed9 h\u1ea5p th\u1ee5 n\u01b0\u1edbc th\u1ea5p. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00e3o h\u00f3a k\u00e9m, m\u00f4i tr\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t \u1ee9ng su\u1ea5t kh\u00f4ng t\u1ed1t b\u1eb1ng polyetylen m\u1eadt \u0111\u1ed9 th\u1ea5p, \u0111\u1eb7c bi\u1ec7t l\u00e0 qu\u00e1 tr\u00ecnh oxy h\u00f3a nhi\u1ec7t s\u1ebd l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3. V\u00ec v\u1eady ch\u1ea5t ch\u1ed1ng oxy h\u00f3a v\u00e0 ch\u1ea5t h\u1ea5p th\u1ee5 tia c\u1ef1c t\u00edm ph\u1ea3i \u0111\u01b0\u1ee3c th\u00eam v\u00e0o nh\u1ef1a \u0111\u1ec3 c\u1ea3i thi\u1ec7n s\u1ef1 thi\u1ebfu h\u1ee5t n\u00e0y. M\u00e0ng polyetylen m\u1eadt \u0111\u1ed9 cao c\u00f3 nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t th\u1ea5p khi ch\u1ecbu \u1ee9ng su\u1ea5t, v\u00ec v\u1eady c\u1ea7n c\u1ea9n th\u1eadn khi s\u1eed d\u1ee5ng. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><img src=\"https:\/\/mangpe.vn\/wp-content\/uploads\/2021\/03\/12.gif\" \/><em><strong>C\u00f3 th\u1ec3 Qu\u00fd kh\u00e1ch h\u00e0ng quan t\u00e2m<\/strong><\/em> <span style=\"color: #000080;\"><a style=\"color: #000080;\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-tpe\/\">h\u1ea1t nh\u1ef1a TPE<\/a><\/span><\/span><\/p>\n<figure id=\"attachment_4252\" aria-describedby=\"caption-attachment-4252\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-4252 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a HDPE nguy\u00ean sinh\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4252\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a HDPE nguy\u00ean sinh<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Luoc_su_phat_trien_hat_nhua_HDPE\"><\/span><span style=\"font-size: 12pt;\"><em><strong><span style=\"color: #ff0000;\">L\u01b0\u1ee3c s\u1eed ph\u00e1t tri\u1ec3n h\u1ea1t nh\u1ef1a HDPE<\/span><\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Trong th\u1ebf k\u1ef7 n\u00e0y, m\u1ed9t ti\u1ebfn b\u1ed9 mang t\u00ednh c\u00e1ch m\u1ea1ng \u0111\u00e3 di\u1ec5n ra trong l\u0129nh v\u1ef1c \u0111\u01b0\u1eddng \u1ed1ng, \u0111\u00f3 l\u00e0 &#8220;thay th\u1ebf th\u00e9p b\u1eb1ng nh\u1ef1a&#8221;. V\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 nhanh ch\u00f3ng c\u1ee7a khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 v\u1eadt li\u1ec7u polymer, s\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 s\u1eed d\u1ee5ng \u1ed1ng nh\u1ef1a ng\u00e0y c\u00e0ng s\u00e2u r\u1ed9ng, c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t kh\u00f4ng ng\u1eebng c\u1ea3i ti\u1ebfn, \u1ed1ng nh\u1ef1a \u0111\u00e3 th\u1ec3 hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 hi\u1ec7u su\u1ea5t tuy\u1ec7t v\u1eddi c\u1ee7a ch\u00fang. Ng\u00e0y nay, \u1ed1ng nh\u1ef1a kh\u00f4ng c\u00f2n b\u1ecb l\u1ea7m t\u01b0\u1edfng l\u00e0 \u201cs\u1ea3n ph\u1ea9m thay th\u1ebf gi\u00e1 r\u1ebb\u201d cho \u1ed1ng kim lo\u1ea1i. Trong cu\u1ed9c c\u00e1ch m\u1ea1ng n\u00e0y, \u1ed1ng polyetylen \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng v\u00e0 ng\u00e0y c\u00e0ng t\u1ecfa s\u00e1ng, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong d\u1eabn kh\u00ed, c\u1ea5p n\u01b0\u1edbc, x\u1ea3 n\u01b0\u1edbc th\u1ea3i, t\u01b0\u1edbi ti\u00eau n\u00f4ng nghi\u1ec7p, v\u1eadn chuy\u1ec3n ch\u1ea5t r\u1eafn h\u1ea1t m\u1ecbn trong h\u1ea7m m\u1ecf, c\u0169ng nh\u01b0 m\u1ecf d\u1ea7u, h\u00f3a ch\u1ea5t, b\u01b0u ch\u00ednh vi\u1ec5n th\u00f4ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 tr\u00ean, n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong v\u1eadn chuy\u1ec3n kh\u00ed \u0111\u1ed1t.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">HDPE l\u00e0 m\u1ed9t polyolefin nhi\u1ec7t d\u1ebbo \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch \u0111\u1ed3ng tr\u00f9ng h\u1ee3p ethylene. M\u1eb7c d\u00f9 HDPE \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u v\u00e0o n\u0103m 1956, nh\u01b0ng lo\u1ea1i nh\u1ef1a n\u00e0y v\u1eabn ch\u01b0a \u0111\u1ea1t \u0111\u1ebfn m\u1ee9c tr\u01b0\u1edfng th\u00e0nh. V\u1eadt li\u1ec7u linh ho\u1ea1t n\u00e0y kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng v\u00e0 th\u1ecb tr\u01b0\u1eddng m\u1edbi.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Polyetylen m\u1eadt \u0111\u1ed9 cao th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p tr\u00f9ng h\u1ee3p Ziegler-Natta, c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 kh\u00f4ng c\u00f3 m\u1ea1ch ph\u00e2n nh\u00e1nh tr\u00ean chu\u1ed7i ph\u00e2n t\u1eed n\u00ean c\u00e1c chu\u1ed7i ph\u00e2n t\u1eed \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp \u0111\u1ec1u \u0111\u1eb7n v\u00e0 c\u00f3 m\u1eadt \u0111\u1ed9 cao. Trong qu\u00e1 tr\u00ecnh n\u00e0y, ethylene \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nguy\u00ean li\u1ec7u th\u00f4 trong l\u00f2 ph\u1ea3n \u1ee9ng \u00e1p su\u1ea5t th\u1ea5p ki\u1ec3u \u1ed1ng ho\u1eb7c b\u1ec3 v\u00e0 oxy ho\u1eb7c peroxide h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t kh\u1edfi x\u01b0\u1edbng \u0111\u1ec3 b\u1eaft \u0111\u1ea7u ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p.<\/span><\/p>\n<figure id=\"attachment_4253\" aria-describedby=\"caption-attachment-4253\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-4253 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-tai-che-hdpe-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a t\u00e1i ch\u1ebf HDPE\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-tai-che-hdpe-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-tai-che-hdpe-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-tai-che-hdpe-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-tai-che-hdpe-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-tai-che-hdpe-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-tai-che-hdpe.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4253\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a t\u00e1i ch\u1ebf HDPE<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Phan_tu_nhua_HDPE\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Ph\u00e2n t\u1eed nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Etylen m\u1eadt \u0111\u1ed9 cao l\u00e0 v\u1eadt li\u1ec7u th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i ch\u1ebf v\u00e0 t\u00e1i s\u1eed d\u1ee5ng khi \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn \u0111i\u1ec3m n\u00f3ng ch\u1ea3y. C\u1ea7n l\u01b0u \u00fd r\u1eb1ng nguy\u00ean li\u1ec7u nh\u1ef1a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: &#8220;Nh\u1ef1a nhi\u1ec7t d\u1ebbo&#8221; v\u00e0 &#8220;Nhi\u1ec7t r\u1eafn&#8221;. &#8220;Nhi\u1ec7t r\u1eafn&#8221; \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh v\u00e0 tr\u1edf n\u00ean \u0111\u00f4ng \u0111\u1eb7c. Ngay c\u1ea3 khi b\u1ea1n ti\u1ebfp t\u1ee5c nung n\u00f3ng, n\u00f3 kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i. Do \u0111\u00f3, c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng l\u00e0 s\u1ea3n ph\u1ea9m &#8220;nh\u1ef1a nhi\u1ec7t r\u1eafn&#8221; (ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1ed1p xe), kh\u00f4ng ph\u1ea3i s\u1ea3n ph\u1ea9m &#8220;nh\u1ef1a nhi\u1ec7t d\u1ebbo&#8221; (ch\u1eb3ng h\u1ea1n nh\u01b0 pallet nh\u1ef1a. L\u01b0u \u00fd: pallet \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;n\u1eb9p&#8221; \u1edf H\u00e0 N\u1ed9i v\u00e0 S\u00e0i G\u00f2n), v\u00ec v\u1eady kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0 &#8220;nh\u1ef1a nhi\u1ec7t d\u1ebbo&#8221; s\u1ea3n ph\u1ea9m &#8220;Nh\u1ef1a&#8221; kh\u00f4ng th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #ff0000;\"><strong>[\u0110\u1eb7c \u0111i\u1ec3m c\u01a1 b\u1ea3n]<\/strong><\/span>: Polyetylen m\u1eadt \u0111\u1ed9 cao l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u gi\u1ed1ng nh\u01b0 s\u00e1p m\u00e0u tr\u1eafng \u0111\u1ee5c, c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ri\u00eang t\u1eeb 0,941 ~ 0,960, nh\u1eb9 h\u01a1n n\u01b0\u1edbc, m\u1ec1m v\u00e0 dai, nh\u01b0ng h\u01a1i c\u1ee9ng h\u01a1n <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-lldpe\/\">h\u1ea1t nh\u1ef1a LDPE<\/a><\/span> v\u00e0 h\u01a1i d\u00e0i. \u0111\u1ed9c v\u00e0 v\u00f4 v\u1ecb.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #ff0000;\"><strong>[\u0110\u1eb7c \u0111i\u1ec3m \u0111\u1ed1t ch\u00e1y]<\/strong><\/span>: D\u1ec5 ch\u00e1y v\u00e0 c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ch\u00e1y sau khi r\u1eddi kh\u1ecfi ng\u1ecdn l\u1eeda. Ng\u1ecdn l\u1eeda ph\u00eda tr\u00ean m\u00e0u v\u00e0ng v\u00e0 ph\u00eda d\u01b0\u1edbi m\u00e0u xanh lam. Khi ch\u00e1y, n\u00f3 s\u1ebd tan ch\u1ea3y, c\u00f3 ch\u1ea5t l\u1ecfng nh\u1ecf gi\u1ecdt v\u00e0 kh\u00f4ng c\u00f3 kh\u00f3i \u0111en. \u0110\u1ed3ng th\u1eddi, n\u00f3 ph\u00e1t ra m\u00f9i paraffin ch\u00e1y.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #ff0000;\"><strong>[\u01afu \u0111i\u1ec3m ch\u00ednh]<\/strong><\/span>: kh\u00e1ng axit v\u00e0 ki\u1ec1m, kh\u00e1ng dung m\u00f4i h\u1eefu c\u01a1, c\u00e1ch \u0111i\u1ec7n tuy\u1ec7t v\u1eddi v\u00e0 v\u1eabn c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u1ed9 d\u1ebbo dai nh\u1ea5t \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. \u0110\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t, \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc kh\u00e1c cao h\u01a1n LDPE, c\u1ee9ng h\u01a1n <span style=\"color: #33cccc;\"><a style=\"color: #33cccc;\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-pp\/\">h\u1ea1t nh\u1ef1a PP<\/a><\/span>, nh\u01b0ng b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n kh\u00f4ng t\u1ed1t b\u1eb1ng PP.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #ff0000;\"><strong>[Nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh]<\/strong><\/span>: C\u01a1 t\u00ednh k\u00e9m, \u0111\u1ed9 tho\u00e1ng kh\u00ed k\u00e9m, d\u1ec5 bi\u1ebfn d\u1ea1ng, d\u1ec5 l\u00e3o h\u00f3a, d\u1ec5 gi\u00f2n, k\u00e9m gi\u00f2n h\u01a1n PP, d\u1ec5 n\u1ee9t \u1ee9ng su\u1ea5t, \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t th\u1ea5p, d\u1ec5 tr\u1ea7y x\u01b0\u1edbc. Kh\u00f3 in, khi in c\u1ea7n x\u1eed l\u00fd ph\u00f3ng \u0111i\u1ec7n b\u1ec1 m\u1eb7t, kh\u00f4ng th\u1ec3 m\u1ea1 \u0111i\u1ec7n, b\u1ec1 m\u1eb7t m\u1edd.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #ff0000;\"><strong>[\u1ee8ng d\u1ee5ng]<\/strong><\/span>: \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u00e0ng bao b\u00ec \u00e9p \u0111\u00f9n, d\u00e2y th\u1eebng, t\u00fai d\u1ec7t, l\u01b0\u1edbi \u0111\u00e1nh c\u00e1, \u1ed1ng n\u01b0\u1edbc; \u00e9p phun c\u00e1c nhu y\u1ebfu ph\u1ea9m h\u00e0ng ng\u00e0y v\u00e0 v\u1ecf s\u00f2 c\u1ea5p th\u1ea5p, c\u00e1c b\u1ed9 ph\u1eadn kh\u00f4ng ch\u1ecbu l\u1ef1c, h\u1ed9p nh\u1ef1a, h\u1ed9p doanh thu; h\u1ed9p \u0111\u1ef1ng \u0111\u00fac th\u1ed5i, s\u1ea3n ph\u1ea9m r\u1ed7ng, chai.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #ff0000;\"><strong>[Quy tr\u00ecnh \u00e9p phun]<\/strong><\/span>: HDPE c\u00f3 v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng, t\u1eeb c\u1ed1c n\u01b0\u1edbc gi\u1ea3i kh\u00e1t c\u00f3 th\u00e0nh m\u1ecfng c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng \u0111\u1ebfn lon 5 gsl v\u00e0 ti\u00eau th\u1ee5 1\/5 l\u01b0\u1ee3ng HDPE s\u1ea3n xu\u1ea5t trong n\u01b0\u1edbc. C\u00e1c lo\u1ea1i \u00e9p phun th\u01b0\u1eddng c\u00f3 ch\u1ec9 s\u1ed1 n\u00f3ng ch\u1ea3y t\u1eeb 5 \u0111\u1ebfn 10, v\u00e0 c\u00f3 c\u00e1c lo\u1ea1i c\u00f3 t\u00ednh l\u01b0u \u0111\u1ed9ng th\u1ea5p h\u01a1n v\u1edbi \u0111\u1ed9 d\u1ebbo dai v\u00e0 c\u00e1c lo\u1ea1i c\u00f3 t\u00ednh l\u01b0u \u0111\u1ed9ng cao h\u01a1n v\u1edbi kh\u1ea3 n\u0103ng gia c\u00f4ng. C\u00e1c \u1ee9ng d\u1ee5ng bao g\u1ed3m bao b\u00ec h\u00e0ng h\u00f3a v\u00e0 th\u1ef1c ph\u1ea9m c\u00f3 th\u00e0nh m\u1ecfng; h\u1ed9p s\u01a1n v\u00e0 th\u1ef1c ph\u1ea9m c\u1ee9ng, b\u1ec1n; kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ea1n n\u1ee9t do \u00e1p l\u1ef1c m\u00f4i tr\u01b0\u1eddng cao \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 th\u00f9ng nhi\u00ean li\u1ec7u \u0111\u1ed9ng c\u01a1 nh\u1ecf v\u00e0 th\u00f9ng r\u00e1c 90 gal.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\">N\u00f3i chung, HDPE c\u00f3 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y l\u00e0 142\u00b0C v\u00e0 nhi\u1ec7t \u0111\u1ed9 ph\u00e2n h\u1ee7y l\u00e0 300\u00b0C; ph\u1ea1m vi \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 \u00e9p phun t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn. Trong qu\u00e1 tr\u00ecnh \u00e9p phun, nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng chung l\u00e0 180\u00b0C-230\u00b0C, v\u00ec l\u00e0 nh\u1ef1a olefin n\u00ean kh\u00f4ng h\u00fat n\u01b0\u1edbc, kh\u00f4ng c\u1ea7n s\u1ea5y kh\u00f4 trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, nh\u01b0ng \u0111\u1ec3 \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m th\u00ec c\u00f3 th\u1ec3 s\u1ea5y kh\u00f4 \u1edf nhi\u1ec7t \u0111\u1ed9 60 \u00b0 C trong 1 gi\u1edd \u0111\u1ec3 x\u1ea3 n\u01b0\u1edbc n\u1ed5i polyetylen. \u0110\u1ed9 nh\u1edbt n\u00f3ng ch\u1ea3y c\u1ee7a s\u1ea3n ph\u1ea9m cao, t\u1ef7 l\u1ec7 chi\u1ec1u d\u00e0i d\u00f2ng ch\u1ea3y nh\u1ecf v\u00e0 s\u1ea3n ph\u1ea9m c\u00f3 th\u00e0nh m\u1ecfng c\u00f3 th\u1ec3 thi\u1ebfu keo n\u00ean c\u1ed5ng v\u00e0 \u0111\u01b0\u1eddng d\u1eabn t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn; s\u1ea3n ph\u1ea9m d\u1ec5 b\u1ecb nhi\u1ec5m t\u0129nh \u0111i\u1ec7n v\u00e0 b\u1ec1 m\u1eb7t d\u1ec5 h\u1ea5p th\u1ee5. T\u1ef7 l\u1ec7 co r\u00fat l\u00e0 16\u2030 v\u00e0 gi\u00e1 tr\u1ecb tr\u00e0n l\u00e0 0,05mm.<\/span><\/p>\n<figure id=\"attachment_4254\" aria-describedby=\"caption-attachment-4254\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-4254 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/bao-bi-hat-nhua-hdpe-300x300.jpg\" alt=\"Bao b\u00ec h\u1ea1t nh\u1ef1a HDPE\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/bao-bi-hat-nhua-hdpe-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/bao-bi-hat-nhua-hdpe-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/bao-bi-hat-nhua-hdpe-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/bao-bi-hat-nhua-hdpe-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/bao-bi-hat-nhua-hdpe.jpg 750w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4254\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">Bao b\u00ec h\u1ea1t nh\u1ef1a HDPE<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Tinh_nang_hat_nhua_HDPE\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>T\u00ednh n\u0103ng h\u1ea1t nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Polyetylen m\u1eadt \u0111\u1ed9 cao c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ecbu l\u1ea1nh t\u1ed1t, \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc t\u1ed1t, \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 b\u1ec1n cao, \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc t\u1ed1t. T\u00ednh ch\u1ea5t \u0111i\u1ec7n m\u00f4i, kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t \u1ee9ng su\u1ea5t m\u00f4i tr\u01b0\u1eddng c\u0169ng t\u1ed1t. \u0110\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 r\u00e3o t\u1ed1t h\u01a1n polyetylen m\u1eadt \u0111\u1ed9 th\u1ea5p; kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, c\u00e1ch \u0111i\u1ec7n, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1nh t\u1ed1t h\u01a1n, nh\u01b0ng k\u00e9m h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t m\u1eadt \u0111\u1ed9 th\u1ea5p; \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc t\u1ed1t, \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"> Trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh, n\u00f3 l\u00e0 kh\u00f4ng h\u00f2a tan trong b\u1ea5t k\u1ef3 dung m\u00f4i h\u1eefu c\u01a1 n\u00e0o, kh\u00e1ng axit, ki\u1ec1m v\u00e0 c\u00e1c lo\u1ea1i mu\u1ed1i kh\u00e1c nhau; m\u00e0ng c\u00f3 t\u00ednh th\u1ea5m h\u01a1i n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed th\u1ea5p, h\u1ea5p th\u1ee5 n\u01b0\u1edbc th\u1ea5p; kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00e3o h\u00f3a k\u00e9m, kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t m\u00f4i tr\u01b0\u1eddng kh\u00f4ng t\u1ed1t b\u1eb1ng polyetylen m\u1eadt \u0111\u1ed9 th\u1ea5p. \u0110\u1eb7c bi\u1ec7t qu\u00e1 tr\u00ecnh oxy h\u00f3a nhi\u1ec7t s\u1ebd l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3, do \u0111\u00f3 nh\u1ef1a c\u1ea7n \u0111\u01b0\u1ee3c b\u1ed5 sung ch\u1ea5t ch\u1ed1ng oxy h\u00f3a v\u00e0 ch\u1ea5t h\u1ea5p th\u1ee5 tia c\u1ef1c t\u00edm \u0111\u1ec3 c\u1ea3i thi\u1ec7n s\u1ef1 thi\u1ebfu h\u1ee5t n\u00e0y. M\u00e0ng polyetylen m\u1eadt \u0111\u1ed9 cao c\u00f3 nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t th\u1ea5p khi \u1ee9ng su\u1ea5t, \u0111i\u1ec1u n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c ch\u00fa \u00fd khi \u00e1p d\u1ee5ng.<\/span><\/p>\n<figure id=\"attachment_4255\" aria-describedby=\"caption-attachment-4255\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-4255 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-ha-noi-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a HDPE H\u00e0 N\u1ed9i\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-ha-noi-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-ha-noi-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-ha-noi-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-ha-noi-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-ha-noi-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-ha-noi.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4255\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a HDPE H\u00e0 N\u1ed9i<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Quy_trinh_san_xuat_hat_nhua_HDPE\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t PE ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 th\u00f4ng qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd pha b\u00f9n ho\u1eb7c kh\u00ed, v\u00e0 m\u1ed9t s\u1ed1 \u00edt \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00e1ch x\u1eed l\u00fd pha dung d\u1ecbch. T\u1ea5t c\u1ea3 c\u00e1c qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u1ec1u l\u00e0 ph\u1ea3n \u1ee9ng t\u1ecfa nhi\u1ec7t li\u00ean quan \u0111\u1ebfn monome etylen, monome alpha-olefin, h\u1ec7 ch\u1ea5t x\u00fac t\u00e1c (c\u00f3 th\u1ec3 nhi\u1ec1u h\u01a1n m\u1ed9t h\u1ee3p ch\u1ea5t) v\u00e0 c\u00e1c lo\u1ea1i ch\u1ea5t pha lo\u00e3ng hydrocacbon kh\u00e1c nhau. Hydrogen v\u00e0 m\u1ed9t s\u1ed1 ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed. L\u00f2 ph\u1ea3n \u1ee9ng b\u00f9n th\u01b0\u1eddng l\u00e0 b\u1ec3 khu\u1ea5y ho\u1eb7c l\u00f2 ph\u1ea3n \u1ee9ng v\u00f2ng l\u1eb7p l\u1edbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn h\u01a1n, trong \u0111\u00f3 b\u00f9n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tu\u1ea7n ho\u00e0n v\u00e0 khu\u1ea5y. C\u00e1c h\u1ea1t polyetylen \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh khi ti\u1ebfp x\u00fac c\u1ee7a etylen v\u00e0 comonomer (n\u1ebfu c\u1ea7n) v\u1edbi ch\u1ea5t x\u00fac t\u00e1c. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Sau khi lo\u1ea1i b\u1ecf ch\u1ea5t pha lo\u00e3ng, c\u00e1c h\u1ea1t ho\u1eb7c h\u1ea1t polyetylen \u0111\u01b0\u1ee3c s\u1ea5y kh\u00f4 v\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t vi\u00ean. D\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i v\u1edbi l\u00f2 ph\u1ea3n \u1ee9ng l\u1edbn v\u1edbi m\u00e1y \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i c\u00f3 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t h\u01a1n 40.000 lbs PE m\u1ed7i gi\u1edd. Vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c ch\u1ea5t x\u00fac t\u00e1c m\u1edbi \u0111\u00e3 g\u00f3p ph\u1ea7n n\u00e2ng cao t\u00ednh n\u0103ng c\u1ee7a c\u00e1c lo\u1ea1i HDPE m\u1edbi. Hai lo\u1ea1i ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 ch\u1ea5t x\u00fac t\u00e1c d\u1ef1a tr\u00ean oxit crom c\u1ee7a Philips v\u00e0 ch\u1ea5t x\u00fac t\u00e1c h\u1ee3p ch\u1ea5t titan-alkylaluminium. HDPE \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi ch\u1ea5t x\u00fac t\u00e1c ki\u1ec3u Philips c\u00f3 ph\u00e2n b\u1ed1 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed r\u1ed9ng trung b\u00ecnh; ch\u1ea5t x\u00fac t\u00e1c titan-alkyl nh\u00f4m t\u1ea1o ra ph\u00e2n b\u1ed1 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed h\u1eb9p. Ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t polyme MDW h\u1eb9p s\u1eed d\u1ee5ng nhi\u1ec1u l\u00f2 ph\u1ea3n \u1ee9ng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i MDW r\u1ed9ng. V\u00ed d\u1ee5, hai l\u00f2 ph\u1ea3n \u1ee9ng n\u1ed1i ti\u1ebfp t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed kh\u00e1c nhau \u0111\u00e1ng k\u1ec3 c\u00f3 th\u1ec3 t\u1ea1o ra polyme c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed l\u01b0\u1ee1ng kim v\u1edbi b\u1ec1 r\u1ed9ng ph\u00e2n b\u1ed1 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed \u0111\u1ea7y \u0111\u1ee7.<\/span><\/p>\n<figure id=\"attachment_4256\" aria-describedby=\"caption-attachment-4256\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-4256 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-thuc-pham-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a HDPE th\u1ef1c ph\u1ea9m\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-thuc-pham-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-thuc-pham-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-thuc-pham-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-thuc-pham-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-thuc-pham-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-hdpe-thuc-pham.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4256\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a HDPE th\u1ef1c ph\u1ea9m<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_chinh_trong_luong_phan_tu\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>\u0110i\u1ec1u ch\u1ec9nh tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao h\u01a1n d\u1eabn \u0111\u1ebfn \u0111\u1ed9 nh\u1edbt polyme cao h\u01a1n, m\u1eb7c d\u00f9 \u0111\u1ed9 nh\u1edbt c\u0169ng li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1eaft \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1eed nghi\u1ec7m. \u0110\u1eb7c tr\u01b0ng cho tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed c\u1ee7a v\u1eadt li\u1ec7u b\u1eb1ng c\u00e1c ph\u00e9p \u0111o l\u01b0u bi\u1ebfn ho\u1eb7c tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed. C\u00e1c lo\u1ea1i nh\u1ef1a HDPE th\u01b0\u1eddng c\u00f3 ph\u1ea1m vi tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed t\u1eeb 40.000 \u0111\u1ebfn 300.000 v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed trung b\u00ecnh tr\u1ecdng l\u01b0\u1ee3ng g\u1ea7n t\u01b0\u01a1ng \u1ee9ng v\u1edbi ph\u1ea1m vi c\u1ee7a ch\u1ec9 s\u1ed1 n\u00f3ng ch\u1ea3y, ngh\u0129a l\u00e0 t\u1eeb 100 \u0111\u1ebfn 0,029g\/10 ph\u00fat (230\u00b0C, 2,16kg). N\u00f3i chung, Mw cao h\u01a1n (ch\u1ec9 s\u1ed1 n\u00f3ng ch\u1ea3y MI th\u1ea5p h\u01a1n) gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 n\u00f3ng ch\u1ea3y, \u0111\u1ed9 d\u1ebbo dai v\u00e0 ESCR t\u1ed1t h\u01a1n, nh\u01b0ng Mw cao h\u01a1n khi\u1ebfn qu\u00e1 tr\u00ecnh x\u1eed l\u00fd. Qu\u00e1 tr\u00ecnh n\u00e0y kh\u00f3 kh\u0103n h\u01a1n ho\u1eb7c \u0111\u00f2i h\u1ecfi \u00e1p su\u1ea5t ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Ph\u00e2n b\u1ed1 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed (MWD): WD c\u1ee7a PE thay \u0111\u1ed5i t\u1eeb h\u1eb9p \u0111\u1ebfn r\u1ed9ng t\u00f9y thu\u1ed9c v\u00e0o ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng MWD \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 ch\u1ec9 s\u1ed1 kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t (HI), b\u1eb1ng tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed trung b\u00ecnh tr\u1ecdng l\u01b0\u1ee3ng (Mw) chia cho s\u1ed1 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed trung b\u00ecnh (Mn). Ph\u1ea1m vi ch\u1ec9 s\u1ed1 cho t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i HDPE l\u00e0 4-30. MWD h\u1eb9p cung c\u1ea5p \u0111\u1ed9 v\u00eanh th\u1ea5p v\u00e0 t\u00e1c \u0111\u1ed9ng cao trong qu\u00e1 tr\u00ecnh \u0111\u00fac. MWD trung b\u00ecnh \u0111\u1ebfn r\u1ed9ng cung c\u1ea5p kh\u1ea3 n\u0103ng x\u1eed l\u00fd cho h\u1ea7u h\u1ebft c\u00e1c quy tr\u00ecnh \u00e9p \u0111\u00f9n. MWD r\u1ed9ng c\u0169ng c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n ch\u1ea3y v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e3o.<\/span><\/p>\n<figure id=\"attachment_4257\" aria-describedby=\"caption-attachment-4257\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-4257 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-mau-hdpe-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a m\u00e0u HDPE\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-mau-hdpe-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-mau-hdpe-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-mau-hdpe-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/12\/hat-nhua-mau-hdpe.jpg 500w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4257\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a m\u00e0u HDPE<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Dieu_chinh_chat_phu_gia_khi_san_xuat\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>\u0110i\u1ec1u ch\u1ec9nh ch\u1ea5t ph\u1ee5 gia khi s\u1ea3n xu\u1ea5t<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Vi\u1ec7c b\u1ed5 sung c\u00e1c ch\u1ea5t ch\u1ed1ng oxy h\u00f3a gi\u00fap polymer kh\u00f4ng b\u1ecb ph\u00e2n h\u1ee7y trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn v\u00e0 ng\u0103n kh\u00f4ng cho th\u00e0nh ph\u1ea9m b\u1ecb oxy h\u00f3a trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. Ph\u1ee5 gia ch\u1ed1ng t\u0129nh \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u lo\u1ea1i bao b\u00ec \u0111\u1ec3 gi\u1ea3m s\u1ef1 b\u00e1m d\u00ednh c\u1ee7a b\u1ee5i b\u1ea9n v\u00e0o chai ho\u1eb7c gi\u1ea5y g\u00f3i. C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 y\u00eau c\u1ea7u c\u00e1c c\u00f4ng th\u1ee9c ph\u1ee5 gia \u0111\u1eb7c bi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 ch\u1ea5t \u1ee9c ch\u1ebf \u0111\u1ed3ng k\u1ebft h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng d\u00e2y v\u00e0 c\u00e1p. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">C\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1eddi ti\u1ebft tuy\u1ec7t v\u1eddi v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng tia c\u1ef1c t\u00edm (ho\u1eb7c \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi) b\u1eb1ng c\u00e1ch th\u00eam c\u00e1c ch\u1ea5t ph\u1ee5 gia ch\u1ed1ng tia c\u1ef1c t\u00edm. PE kh\u00f4ng c\u00f3 th\u00eam kh\u1ea3 n\u0103ng ch\u1ed1ng tia c\u1ef1c t\u00edm ho\u1eb7c mu\u1ed9i than kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi li\u00ean t\u1ee5c. C\u00e1c s\u1eafc t\u1ed1 \u0111en carbon cao c\u1ea5p cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng tia c\u1ef1c t\u00edm tuy\u1ec7t v\u1eddi v\u00e0 th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u00e2y \u0111i\u1ec7n, d\u00e2y c\u00e1p, b\u1ec3 ch\u1ee9a ho\u1eb7c \u0111\u01b0\u1eddng \u1ed1ng.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xu_ly_phuong_phap_san_xuat_hat_nhua_HDPE\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>X\u1eed l\u00fd ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">PE c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo nhi\u1ec1u quy tr\u00ecnh kh\u00e1c nhau. S\u1eed d\u1ee5ng ethylene l\u00e0m nguy\u00ean li\u1ec7u ch\u00ednh, propylene, 1-butene v\u00e0 hexene l\u00e0m ch\u1ea5t \u0111\u1ed3ng tr\u00f9ng h\u1ee3p, d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a ch\u1ea5t x\u00fac t\u00e1c, qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p b\u00f9n ho\u1eb7c tr\u00f9ng h\u1ee3p pha kh\u00ed \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0 polymer thu \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c b\u1ed1c h\u01a1i, t\u00e1ch, s\u1ea5y kh\u00f4. qu\u00e1 tr\u00ecnh t\u1ea1o h\u1ea1t, \u0111\u1ec3 thu \u0111\u01b0\u1ee3c th\u00e0nh ph\u1ea9m v\u1edbi c\u00e1c h\u1ea1t \u0111\u1ed3ng nh\u1ea5t. Bao g\u1ed3m nh\u01b0 \u00e9p \u0111\u00f9n t\u1ea5m, \u00e9p \u0111\u00f9n m\u00e0ng, \u00e9p \u0111\u00f9n \u1ed1ng ho\u1eb7c h\u1ed3 s\u01a1, \u0111\u00fac th\u1ed5i, \u00e9p phun v\u00e0 \u0111\u00fac quay. HDPE th\u00edch h\u1ee3p cho c\u00e1c quy tr\u00ecnh \u0111\u00fac kh\u00e1c nhau c\u1ee7a x\u1eed l\u00fd \u0111\u00fac nh\u1ef1a nhi\u1ec7t d\u1ebbo, v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd \u0111\u00fac t\u1ed1t, ch\u1eb3ng h\u1ea1n nh\u01b0 \u00e9p phun, \u00e9p \u0111\u00f9n, \u0111\u00fac th\u1ed5i, \u0111\u00fac quay, s\u01a1n ph\u1ee7, qu\u00e1 tr\u00ecnh t\u1ea1o b\u1ecdt, \u00e9p nhi\u1ec7t, h\u00e0n h\u00e0n nhi\u1ec7t, h\u00e0n nhi\u1ec7t.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #0000ff; font-size: 14pt;\"><em><strong>\u261e<\/strong><\/em><\/span>\u0110\u00f9n: C\u00e1c lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111\u00f9n th\u01b0\u1eddng c\u00f3 ch\u1ec9 s\u1ed1 tan ch\u1ea3y d\u01b0\u1edbi 1 v\u00e0 MWD t\u1eeb trung b\u00ecnh \u0111\u1ebfn r\u1ed9ng. Trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, MI th\u1ea5p c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u01b0\u1eddng \u0111\u1ed9 n\u00f3ng ch\u1ea3y ph\u00f9 h\u1ee3p. C\u00e1c lo\u1ea1i MWD r\u1ed9ng h\u01a1n ph\u00f9 h\u1ee3p h\u01a1n cho \u00e9p \u0111\u00f9n v\u00ec ch\u00fang c\u00f3 t\u1ed1c \u0111\u1ed9 s\u1ea3n xu\u1ea5t cao h\u01a1n, \u00e1p su\u1ea5t khu\u00f4n th\u1ea5p h\u01a1n v\u00e0 gi\u1ea3m xu h\u01b0\u1edbng \u0111\u1ee9t g\u00e3y n\u00f3ng ch\u1ea3y. <\/span><span style=\"font-size: 12pt;\">PE c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng \u00e9p \u0111\u00f9n nh\u01b0 d\u00e2y \u0111i\u1ec7n, d\u00e2y c\u00e1p, \u1ed1ng m\u1ec1m, \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 thanh \u0111\u1ecbnh h\u00ecnh. C\u00e1c \u1ee9ng d\u1ee5ng \u1ed1ng bao g\u1ed3m t\u1eeb c\u00e1c \u1ed1ng m\u00e0u v\u00e0ng ti\u1ebft di\u1ec7n nh\u1ecf cho kh\u00ed t\u1ef1 nhi\u00ean \u0111\u1ebfn c\u00e1c \u1ed1ng m\u00e0u \u0111en c\u00f3 th\u00e0nh d\u00e0y cho c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u00f4 th\u1ecb. \u1ed0ng t\u01b0\u1eddng r\u1ed7ng \u0111\u01b0\u1eddng k\u00ednh l\u1edbn \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng \u0111\u1ec3 thay th\u1ebf cho c\u1ed1ng tho\u00e1t n\u01b0\u1edbc m\u01b0a b\u00ea t\u00f4ng v\u00e0 c\u00e1c \u0111\u01b0\u1eddng c\u1ed1ng kh\u00e1c.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #0000ff; font-size: 14pt;\"><em><strong>\u261e<\/strong><\/em><\/span>T\u1ea5m v\u00e0 \u0111\u1ecbnh h\u00ecnh nhi\u1ec7t: C\u00e1c l\u1edbp l\u00f3t \u0111\u1ecbnh h\u00ecnh nhi\u1ec7t c\u1ee7a nhi\u1ec1u m\u00e1y l\u00e0m m\u00e1t d\u00e3 ngo\u1ea1i l\u1edbn \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng PE, mang l\u1ea1i \u0111\u1ed9 d\u1ebbo dai, tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 v\u00e0 \u0111\u1ed9 b\u1ec1n. C\u00e1c s\u1ea3n ph\u1ea9m d\u1ea1ng t\u1ea5m v\u00e0 \u00e9p n\u00f3ng kh\u00e1c bao g\u1ed3m t\u1ea5m ch\u1eafn b\u00f9n, t\u1ea5m l\u00f3t th\u00f9ng, t\u1ea5m ch\u1eafn ch\u1ea3o, h\u1ed9p v\u1eadn chuy\u1ec3n v\u00e0 th\u00f9ng ch\u1ee9a. M\u1ed9t \u1ee9ng d\u1ee5ng t\u1ea5m l\u1edbn v\u00e0 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng l\u00e0 l\u1edbp ph\u1ee7 ho\u1eb7c \u0111\u00e1y h\u1ed3 b\u01a1i, d\u1ef1a tr\u00ean \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t v\u00e0 kh\u00f4ng th\u1ea5m n\u01b0\u1edbc c\u1ee7a MDPE.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #0000ff; font-size: 14pt;\"><em><strong>\u261e<\/strong><\/em><\/span>\u0110\u00fac th\u1ed5i: H\u01a1n 1\/3 l\u01b0\u1ee3ng HDPE \u0111\u01b0\u1ee3c b\u00e1n \u1edf Hoa K\u1ef3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00fac th\u1ed5i. Nh\u1eefng th\u1ee9 n\u00e0y bao g\u1ed3m t\u1eeb chai thu\u1ed1c t\u1ea9y, d\u1ea7u \u0111\u1ed9ng c\u01a1, ch\u1ea5t t\u1ea9y r\u1eeda, s\u1eefa v\u00e0 n\u01b0\u1edbc t\u0129nh cho \u0111\u1ebfn t\u1ee7 l\u1ea1nh l\u1edbn, b\u00ecnh nhi\u00ean li\u1ec7u \u00f4 t\u00f4 v\u00e0 h\u1ed9p. C\u00e1c ch\u1ec9 s\u1ed1 \u0111\u1eb7c tr\u01b0ng c\u1ee7a c\u00e1c lo\u1ea1i \u0111\u00fac th\u1ed5i, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 b\u1ec1n n\u00f3ng ch\u1ea3y, ES-CR v\u00e0 \u0111\u1ed9 d\u1ebbo dai, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea1o h\u00ecnh d\u1ea1ng t\u1ea5m v\u00e0 \u00e9p n\u00f3ng, v\u00ec v\u1eady c\u00e1c lo\u1ea1i t\u01b0\u01a1ng t\u1ef1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #0000ff; font-size: 14pt;\"><em><strong>\u261e<\/strong><\/em><\/span>\u0110\u00fac phun-th\u1ed5i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c h\u1ed9p \u0111\u1ef1ng nh\u1ecf h\u01a1n (d\u01b0\u1edbi 16oz) \u0111\u1ec3 \u0111\u00f3ng g\u00f3i d\u01b0\u1ee3c ph\u1ea9m, d\u1ea7u g\u1ed9i \u0111\u1ea7u v\u00e0 m\u1ef9 ph\u1ea9m. M\u1ed9t l\u1ee3i th\u1ebf c\u1ee7a quy tr\u00ecnh n\u00e0y l\u00e0 c\u00e1c chai \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t s\u1ebd \u0111\u01b0\u1ee3c t\u1ef1 \u0111\u1ed9ng c\u1eaft t\u1ec9a m\u00e0 kh\u00f4ng c\u1ea7n c\u00e1c b\u01b0\u1edbc sau khi ho\u00e0n thi\u1ec7n nh\u01b0 trong c\u00e1c quy tr\u00ecnh \u0111\u00fac th\u1ed5i th\u00f4ng th\u01b0\u1eddng. C\u00e1c lo\u1ea1i MWD trung b\u00ecnh \u0111\u1ebfn r\u1ed9ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, m\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 lo\u1ea1i MWD h\u1eb9p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n b\u1ec1 m\u1eb7t.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #0000ff; font-size: 14pt;\"><em><strong>\u261e<\/strong><\/em><\/span>\u00c9p phun: Xem thu\u1ed9c t\u00ednh v\u1eadt li\u1ec7u \u1edf tr\u00ean.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #0000ff; font-size: 14pt;\"><em><strong>\u261e<\/strong><\/em><\/span>\u0110\u00fac quay: C\u00e1c v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng quy tr\u00ecnh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t tan ch\u1ea3y v\u00e0 ch\u1ea3y trong m\u1ed9t chu k\u1ef3 nhi\u1ec7t. Hai lo\u1ea1i PE \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong quay v\u00f2ng: m\u1ee5c \u0111\u00edch chung v\u00e0 c\u00f3 th\u1ec3 li\u00ean k\u1ebft ngang. M\u1eadt \u0111\u1ed9 chung c\u1ee7a MDPE\/HDPE th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb 0,935 \u0111\u1ebfn 0,945g\/CC, v\u1edbi MWD h\u1eb9p gi\u00fap s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 va \u0111\u1eadp cao v\u00e0 \u0111\u1ed9 cong v\u00eanh t\u1ed1i thi\u1ec3u, ch\u1ec9 s\u1ed1 n\u00f3ng ch\u1ea3y c\u1ee7a n\u00f3 th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 3 \u0111\u1ebfn 8. C\u00e1c lo\u1ea1i MI cao h\u01a1n th\u01b0\u1eddng kh\u00f4ng ph\u00f9 h\u1ee3p v\u00ec ch\u00fang kh\u00f4ng c\u00f3 t\u00e1c \u0111\u1ed9ng mong mu\u1ed1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t \u1ee9ng su\u1ea5t m\u00f4i tr\u01b0\u1eddng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac quay.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\"><span style=\"color: #0000ff; font-size: 14pt;\"><em><strong>\u261e<\/strong><\/em><\/span>Phim: Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd m\u00e0ng PE th\u01b0\u1eddng s\u1eed d\u1ee5ng quy tr\u00ecnh x\u1eed l\u00fd phim th\u1ed5i th\u00f4ng th\u01b0\u1eddng ho\u1eb7c quy tr\u00ecnh \u00e9p \u0111\u00f9n ph\u1eb3ng. H\u1ea7u h\u1ebft c\u00e1c PE \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho phim, PE m\u1eadt \u0111\u1ed9 th\u1ea5p (LDPE) ho\u1eb7c PE m\u1eadt \u0111\u1ed9 th\u1ea5p tuy\u1ebfn t\u00ednh (LLDPE) cho m\u1ee5c \u0111\u00edch chung \u0111\u1ec1u c\u00f3 s\u1eb5n. C\u00e1c lo\u1ea1i m\u00e0ng HDPE th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng co gi\u00e3n v\u01b0\u1ee3t tr\u1ed9i v\u00e0 \u0111\u1eb7c t\u00ednh ng\u0103n c\u1ea3n tuy\u1ec7t v\u1eddi. V\u00ed d\u1ee5, m\u00e0ng HDPE th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong t\u00fai h\u00e0ng h\u00f3a, t\u00fai t\u1ea1p h\u00f3a v\u00e0 bao b\u00ec th\u1ef1c ph\u1ea9m.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Muc_dich_chinh_su_dung_hat_nhua_HDPE\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>M\u1ee5c \u0111\u00edch ch\u00ednh s\u1eed d\u1ee5ng h\u1ea1t nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Nh\u1ef1a HDPE c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00fac th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a b\u1eb1ng c\u00e1ch phun, \u00e9p \u0111\u00f9n, \u0111\u00fac th\u1ed5i v\u00e0 \u0111\u00fac quay. Nhi\u1ec1u lo\u1ea1i h\u1ed9p \u0111\u1ef1ng, ph\u1ee5 ki\u1ec7n c\u00f4ng nghi\u1ec7p, v\u1eadt t\u01b0 y t\u1ebf, \u0111\u1ed3 ch\u01a1i, v\u1ecf s\u00f2, n\u00fat chai v\u00e0 t\u1ea5m ch\u1eafn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u00e9p phun. \u0110\u00fac th\u1ed5i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c v\u1eadt ch\u1ee9a r\u1ed7ng kh\u00e1c nhau, m\u00e0ng si\u00eau m\u1ecfng&#8230; M\u00e1y \u00e9p \u0111\u00f9n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o th\u00e0nh \u1ed1ng, b\u0103ng k\u00e9o d\u00e0i, d\u00e2y \u0111ai, d\u00e2y c\u01b0\u1edbc, d\u00e2y v\u00e0 c\u00e1p b\u1ecdc ngo\u00e0i. Ngo\u00e0i ra, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh c\u00e1c t\u1ea5m trang tr\u00ed ki\u1ebfn \u200b\u200btr\u00fac, c\u1eeda ch\u1edbp, g\u1ed7 t\u1ed5ng h\u1ee3p, gi\u1ea5y t\u1ed5ng h\u1ee3p, m\u00e0ng t\u1ed5ng h\u1ee3p v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m canxi-nh\u1ef1a&#8230;<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dong_goi_luu_tru_va_van_chuyen_hat_nhua_HDPE\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>\u0110\u00f3ng g\u00f3i, l\u01b0u tr\u1eef v\u00e0 v\u1eadn chuy\u1ec3n h\u1ea1t nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n c\u1ea7n tr\u00e1nh xa ngu\u1ed3n l\u1eeda, c\u00e1ch nhi\u1ec7t, kho ph\u1ea3i kh\u00f4 r\u00e1o, ng\u0103n n\u1eafp, nghi\u00eam c\u1ea5m l\u1eabn t\u1ea1p ch\u1ea5t, nghi\u00eam c\u1ea5m ph\u01a1i n\u1eafng, m\u01b0a. Ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong khoang ho\u1eb7c cabin s\u1ea1ch s\u1ebd, kh\u00f4 r\u00e1o, c\u00f3 m\u00e1i che, kh\u00f4ng c\u00f3 v\u1eadt s\u1eafc nh\u1ecdn nh\u01b0 \u0111inh. Nghi\u00eam c\u1ea5m tr\u1ed9n l\u1eabn v\u1edbi c\u00e1c dung m\u00f4i h\u1eefu c\u01a1 nh\u01b0 hydrocacbon th\u01a1m d\u1ec5 ch\u00e1y v\u00e0 hydrocacbon halogen h\u00f3a. V\u00ed d\u1ee5, th\u00f9ng n\u01b0\u1edbc kho\u00e1ng l\u1edbn b\u1ed1n l\u00edt t\u1eeb Nongfu Spring l\u00e0 v\u1eadt li\u1ec7u n\u00e0y.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tai_che_hat_nhua_HDPE\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>T\u00e1i ch\u1ebf h\u1ea1t nh\u1ef1a HDPE<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">HDPE l\u00e0 ph\u00e2n kh\u00fac ph\u00e1t tri\u1ec3n nhanh nh\u1ea5t c\u1ee7a th\u1ecb tr\u01b0\u1eddng t\u00e1i ch\u1ebf kho nguy\u00ean li\u1ec7u nh\u1ef1a. \u0110i\u1ec1u n\u00e0y ch\u1ee7 y\u1ebfu l\u00e0 do d\u1ec5 d\u00e0ng t\u00e1i x\u1eed l\u00fd, c\u00e1c \u0111\u1eb7c t\u00ednh xu\u1ed1ng c\u1ea5p t\u1ed1i thi\u1ec3u v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i c\u1ee7a n\u00f3 trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f3ng g\u00f3i. Qu\u00e1 tr\u00ecnh t\u00e1i ch\u1ebf ch\u00ednh l\u00e0 n\u01a1i 25% v\u1eadt li\u1ec7u t\u00e1i ch\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 n\u1ed9i dung t\u00e1i ch\u1ebf sau ti\u00eau d\u00f9ng (PCR), \u0111\u01b0\u1ee3c x\u1eed l\u00fd l\u1ea1i b\u1eb1ng nh\u1ef1a HDPE nguy\u00ean ch\u1ea5t \u0111\u1ec3 t\u1ea1o ra c\u00e1c lo\u1ea1i chai kh\u00f4ng ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Trong qu\u00e1 tr\u00ecnh n\u00e0y, dung m\u00f4i ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p l\u00e0 n-hexan, ch\u1ea5t x\u00fac t\u00e1c l\u00e0 ch\u1ea5t x\u00fac t\u00e1c zN ho\u1ea1t t\u00ednh cao, ethylene v\u00e0 hydro \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn v\u00e0 \u0111i v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng \u0111\u1ea7u ti\u00ean, v\u00e0 ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p x\u1ea3y ra sau khi tr\u1ed9n v\u1edbi ch\u1ea5t x\u00fac t\u00e1c v\u00e0 polyme trong l\u00f2 ph\u1ea3n \u1ee9ng l\u01a1 l\u1eedng trong hexan \u1edf d\u1ea1ng b\u00f9n. Trong qu\u00e1 tr\u00ecnh n\u00e0y, nhi\u1ec7t \u0111\u1ed9 tr\u00f9ng h\u1ee3p l\u00e0 kho\u1ea3ng 80 \u00b0 C v\u00e0 \u00e1p su\u1ea5t tr\u00f9ng h\u1ee3p d\u01b0\u1edbi thanh 10. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 m\u1eadt \u0111\u1ed9 n\u1eb1m trong kho\u1ea3ng 0,942-0,965 g \/ cm3 v\u00e0 s\u1ef1 tan ch\u1ea3y.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 m\u1eadt \u0111\u1ed9 kho\u1ea3ng 0,942-0,965 g \/ cm3 v\u00e0 m\u1ed9t ph\u1ea1m vi ch\u1ec9 s\u1ed1 n\u00f3ng ch\u1ea3y t\u1eeb 0,2-80. C\u00e1c comonome l\u00e0 propylene v\u00e0 1-butene. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p li\u00ean t\u1ee5c c\u1ee7a l\u00f2 ph\u1ea3n \u1ee9ng b\u1ec3 b\u00f9n l\u00e0: \u00e1p su\u1ea5t v\u1eadn h\u00e0nh v\u00e0 nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh th\u1ea5p; l\u00f2 ph\u1ea3n \u1ee9ng b\u1ec3 \u0111\u00f4i c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01a1n ch\u1ebf v\u00e0 l\u01b0\u1ee1ng ch\u1ebf b\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c h\u00ecnh th\u1ee9c k\u1ebft n\u1ed1i song song v\u00e0 k\u1ebft n\u1ed1i n\u1ed1i ti\u1ebfp kh\u00e1c nhau; t\u00ednh linh ho\u1ea1t trong v\u1eadn h\u00e0nh quy tr\u00ecnh cao, chuy\u1ec3n \u0111\u1ed5i c\u1ea5p s\u1ea3n ph\u1ea9m. N\u00f3 nhanh v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u \u0111\u1ed9 tinh khi\u1ebft cao c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4; propylene v\u00e0 1-butene \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m comonomers; hexane \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m dung m\u00f4i v\u00e0 thi\u1ebft b\u1ecb thu h\u1ed3i r\u1ea5t \u0111\u01a1n gi\u1ea3n. M\u1ed9t t\u00ednh n\u0103ng c\u1ee7a qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong ch\u1ea5t pha lo\u00e3ng hydrocarbon tr\u01a1. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Quy tr\u00ecnh c\u00f4ng ngh\u1ec7 nh\u01b0 sau: etylen tr\u00f9ng h\u1ee3p (99,9% etylen, 0,1% etan) \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y s\u1ea5y kh\u00f4 r\u1ed3i \u0111i v\u00e0o b\u1ec3 ph\u1ea3n \u1ee9ng c\u00f9ng v\u1edbi ch\u1ea5t pha lo\u00e3ng tu\u1ea7n ho\u00e0n g\u1ed3m n-hexan, ch\u1ea5t x\u00fac t\u00e1c th\u00f4ng qua ch\u1ea5t mang ch\u1ee9a titan, mangan, triethyl nh\u00f4m c\u01a1 b\u1ea3n l\u00e0 lo\u1ea1i c\u1ee7a ch\u1ea5t \u0111\u1ed3ng x\u00fac t\u00e1c. Th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf hydro \u0111\u1ec3 ki\u1ec3m so\u00e1t tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed. Ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p t\u1ea1o th\u00e0nh c\u00e1c h\u1ea1t polyetylen. Nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng l\u00e0 90\u00b0C v\u00e0 \u00e1p su\u1ea5t l\u00e0 1.8MPa. Ph\u1ea3n \u1ee9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong hai b\u1ec3 tr\u00f9ng h\u1ee3p theo hai b\u01b0\u1edbc v\u00e0 s\u1ea3n xu\u1ea5t n\u1ed3ng \u0111\u1ed9 l\u00e0 34% (ph\u1ea7n kh\u1ed1i l\u01b0\u1ee3ng) ch\u1ea5t r\u1eafn b\u00f9n, t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i monome c\u00f3 th\u1ec3 \u0111\u1ea1t 97%. Polyme \u0111\u01b0\u1ee3c chi\u1ebfu t\u1eeb l\u00f2 ph\u1ea3n \u1ee9ng th\u1ee9 hai \u0111\u1ebfn \u00e1p su\u1ea5t 0,14MPa, v\u00e0 etylen, etan ch\u01b0a ph\u1ea3n \u1ee9ng trong n\u01b0\u1edbc th\u1ea3i v\u00e0 ch\u1ea5t pha lo\u00e3ng 2% cyclohexane \u0111\u01b0\u1ee3c n\u00e9n v\u00e0 l\u00e0m l\u1ea1nh \u0111\u1ebfn 2,5MPa hai l\u1ea7n, \u0111\u1ed3ng th\u1eddi kh\u1eed kh\u00ed, thu h\u1ed3i ethane \u0111\u1ec3 t\u00e1i ch\u1ebf. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">B\u00f9n c\u00f2n l\u1ea1i sau khi bay h\u01a1i nhanh \u0111\u01b0\u1ee3c ly t\u00e2m \u0111\u1ec3 thu h\u1ed3i h\u1ea7u h\u1ebft ch\u1ea5t pha lo\u00e3ng v\u00e0 b\u00e1nh l\u1ecdc r\u1eafn \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn m\u00e1y s\u1ea5y \u0111\u1ec3 gi\u1ea3m h\u00e0m l\u01b0\u1ee3ng th\u00e0nh ph\u1ea7n d\u1ec5 bay h\u01a1i xu\u1ed1ng kho\u1ea3ng 5% (ph\u1ea7n kh\u1ed1i l\u01b0\u1ee3ng). M\u00e1y s\u1ea5y ho\u1ea1t \u0111\u1ed9ng theo chu tr\u00ecnh kh\u00e9p k\u00edn d\u01b0\u1edbi s\u1ef1 b\u1ea3o v\u1ec7 c\u1ee7a nit\u01a1. B\u1ed9t polymer \u0111\u00e3 s\u1ea5y kh\u00f4 \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn t\u1ea7ng s\u00f4i \u0111\u1ec3 s\u1ea5y kh\u00f4 nh\u1eb1m lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 c\u00e1c ch\u1ea5t pha lo\u00e3ng hydrocarbon, sau khi s\u1ea5y kh\u00f4, c\u00e1c h\u1ea1t polymer \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn b\u1ed9 ph\u1eadn tr\u1ed9n \u0111\u1ec3 th\u00eam c\u00e1c ch\u1ea5t ph\u1ee5 gia kh\u00e1c nhau, sau \u0111\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o h\u1ea1t.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u00a0C\u00f4ng ngh\u1ec7 l\u00f2 ph\u1ea3n \u1ee9ng v\u00f2ng l\u1eb7p: C\u00e1c \u0111\u1ea1i di\u1ec7n \u0111i\u1ec3n h\u00ecnh c\u1ee7a c\u00f4ng ngh\u1ec7 l\u00f2 ph\u1ea3n \u1ee9ng v\u00f2ng l\u1eb7p l\u00e0 quy tr\u00ecnh Phillips c\u1ee7a C\u00f4ng ty Phillips v\u00e0 quy tr\u00ecnh Innovene S c\u1ee7a C\u00f4ng ty INEOS. Quy tr\u00ecnh Phillips s\u1eed d\u1ee5ng isobutane l\u00e0m ch\u1ea5t pha lo\u00e3ng v\u00e0 s\u1eed d\u1ee5ng ch\u1ea5t x\u00fac t\u00e1c g\u1ed1c crom. Ch\u1ea5t x\u00fac t\u00e1c ph\u1ea3i \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng. B\u1ed9t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t t\u1ea1o th\u00e0nh h\u1ed7n h\u1ee3p s\u1ec7t x\u00fac t\u00e1c v\u1edbi isobutane c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao d\u01b0\u1edbi s\u1ef1 b\u1ea3o v\u1ec7 c\u1ee7a nit\u01a1, sau \u0111\u00f3 \u0111i v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng v\u00f2ng l\u1eb7p. Sau khi x\u1eed l\u00fd th\u00f4 monome ethylene nguy\u00ean li\u1ec7u \u0111\u01b0\u1ee3c tinh ch\u1ebf, n\u00f3 \u0111\u01b0\u1ee3c tr\u1ed9n s\u1eb5n v\u1edbi hydro v\u00e0 comonomer hexene-1, sau \u0111\u00f3 \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng v\u00f2ng l\u1eb7p, v\u00e0 ethylene t\u1ea1o ra polyetylen d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a ch\u1ea5t x\u00fac t\u00e1c. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">B\u01a1m l\u01b0u l\u01b0\u1ee3ng h\u01b0\u1edbng tr\u1ee5c gi\u1eef cho d\u00f2ng ch\u1ea3y t\u1ed1c \u0111\u1ed9 cao v\u00e0 s\u1ef1 tr\u1ed9n \u0111\u1ec1u c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u trong l\u00f2 ph\u1ea3n \u1ee9ng, v\u00e0 nhi\u1ec7t c\u1ee7a ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c r\u00fat \u0111\u1ec1u b\u1eb1ng n\u01b0\u1edbc l\u00e0m m\u00e1t \u00e1o kho\u00e1c. Ph\u1ea1m vi c\u1ee7a MI \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 0,15-100 v\u00e0 m\u1eadt \u0111\u1ed9 l\u00e0 0,936-0,972 g\/cm3. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a quy tr\u00ecnh l\u00f2 ph\u1ea3n \u1ee9ng v\u00f2ng l\u1eb7p l\u00e0: \u00edt thi\u1ebft b\u1ecb, quy tr\u00ecnh ng\u1eafn, chi ph\u00ed \u0111\u1ea7u t\u01b0 th\u1ea5p; kh\u00f4ng c\u00f3 s\u00e1p v\u00e0 oligomers, kh\u00f4ng d\u00ednh v\u00e0o t\u01b0\u1eddng; h\u00ecnh d\u1ea1ng b\u1ed9t t\u1ed1t, d\u1ec5 v\u1eadn chuy\u1ec3n; nhi\u1ec7t ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c \u0111\u01b0a ra ngo\u00e0i b\u1eb1ng n\u01b0\u1edbc l\u00e0m m\u00e1t \u00e1o kho\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng. N\u00f3 d\u1ec5 d\u00e0ng lo\u1ea1i b\u1ecf nhi\u1ec7t v\u00e0 d\u1ec5 \u0111i\u1ec1u ch\u1ec9nh; y\u00eau c\u1ea7u nguy\u00ean li\u1ec7u th\u00f4 cao v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c tinh ch\u1ebf; comonomer s\u1eed d\u1ee5ng hexene v\u00e0 isobutane \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m dung m\u00f4i, d\u1ec5 d\u00e0ng lo\u1ea1i b\u1ecf dung m\u00f4i c\u00f2n l\u1ea1i. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Quy tr\u00ecnh quy tr\u00ecnh nh\u01b0 sau: ethylene c\u1ea5p polymer t\u01b0\u01a1i \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi hydro \u0111i\u1ec1u ch\u1ec9nh tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed \u0111\u00e3 chu\u1ea9n b\u1ecb, ch\u1ea5t ch\u1ed1ng \u0111\u00f4ng v\u00e0 isobutane pha lo\u00e3ng tu\u1ea7n ho\u00e0n sau khi s\u1ea5y kh\u00f4, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111\u1ebfn l\u00f2 ph\u1ea3n \u1ee9ng quy tr\u00ecnh li\u00ean t\u1ee5c nhi\u1ec1u v\u00f2ng, v\u00e0 ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c b\u1ed5 sung isobutane \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y l\u00f2 ph\u1ea3n \u1ee9ng, v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng. Nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng l\u00e0 106,7\u00b0C v\u00e0 \u00e1p su\u1ea5t l\u00e0 3,9MPa. B\u00f9n polyme v\u00e0 ch\u1ea5t pha lo\u00e3ng \u0111\u01b0\u1ee3c \u0111\u01b0a qua l\u00f2 ph\u1ea3n \u1ee9ng v\u00f2ng l\u1eb7p v\u1edbi t\u1ed1c \u0111\u1ed9 6 m\/s b\u1eb1ng b\u01a1m d\u00f2ng ch\u1ea3y h\u01b0\u1edbng tr\u1ee5c. N\u01b0\u1edbc l\u00e0m m\u00e1t trong \u00e1o kho\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng v\u00e0 ch\u1ea5t r\u1eafn polyme \u0111\u01b0\u1ee3c th\u1ea3i ra t\u1eeb c\u1ed5ng l\u1eafng d\u1ecdc trong l\u00f2 ph\u1ea3n \u1ee9ng v\u00f2ng l\u1eb7p. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">V\u00ec v\u1eady, n\u1ed3ng \u0111\u1ed9 b\u00f9n c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 55% v\u00e0 t\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i l\u00e0 98% -99%. Sau khi polyme \u0111\u01b0\u1ee3c th\u1ea3i ra, n\u00f3 \u0111\u01b0\u1ee3c chi\u1ebfu \u0111\u1ec3 x\u1ea3 isobutan v\u00e0 c\u00e1c monome c\u00f2n l\u1ea1i sang b\u1ed9 ph\u1eadn thu h\u1ed3i ch\u1ea5t pha lo\u00e3ng. C\u00e1c polyme r\u1eafn kh\u00e1c \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi c\u00e1c ch\u1ea5t ph\u1ee5 gia v\u00e0 t\u1ea1o th\u00e0nh vi\u00ean.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Tr\u00f9ng h\u1ee3p pha kh\u00ed: tr\u00f9ng h\u1ee3p pha kh\u00ed (ph\u01b0\u01a1ng ph\u00e1p t\u1ea7ng s\u00f4i pha kh\u00ed) \u0111i\u1ec3n h\u00ecnh l\u00e0 c\u00f4ng ngh\u1ec7 h\u1ee3p nh\u1ea5t c\u1ee7a C\u00f4ng ty H\u00f3a ch\u1ea5t DOW v\u00e0 c\u00f4ng ngh\u1ec7 Innovane c\u1ee7a C\u00f4ng ty INNOS, ch\u1ea5t x\u00fac t\u00e1c, nguy\u00ean li\u1ec7u tinh khi\u1ebft \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng, v\u00e0 ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p x\u1ea3y ra d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a ch\u1ea5t x\u00fac t\u00e1c l\u01b0u tr\u1eef. Ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong \u0111i\u1ec1u ki\u1ec7n 85-110 \u00b0 C v\u00e0 2,41 MPa. T\u1ef7 l\u1ec7 chuy\u1ec3n \u0111\u1ed5i m\u1ed9t l\u1ea7n c\u1ee7a ethylene l\u00e0 kho\u1ea3ng 1% -2% v\u00e0 lo\u1ea1i b\u1ecf nhi\u1ec7t ph\u1ea3n \u1ee9ng Ch\u1ee7 y\u1ebfu th\u00f4ng qua vi\u1ec7c l\u00e0m m\u00e1t d\u00f2ng tu\u1ea7n ho\u00e0n, ph\u1ea1m vi MI c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t l\u00e0 0,01-150 v\u00e0 ph\u1ea1m vi m\u1eadt \u0111\u1ed9 l\u00e0 0,915-0,970 g \/ cm3.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"> C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a qu\u00e1 tr\u00ecnh tr\u00f9ng h\u1ee3p t\u1ea7ng s\u00f4i \u1edf pha kh\u00ed l\u00e0: \u00e1p su\u1ea5t v\u1eadn h\u00e0nh th\u1ea5p v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p; c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t polyetylen m\u1eadt \u0111\u1ed9 \u0111\u1ea7y \u0111\u1ee7; h\u1ec7 th\u1ed1ng ch\u1ea5t x\u00fac t\u00e1c bao g\u1ed3m chu\u1ed7i titan v\u00e0 chu\u1ed7i crom; ch\u1ea5t x\u00fac t\u00e1c luy\u1ec7n kim; y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4 cao, v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 ph\u1ea3i \u0111\u01b0\u1ee3c tinh ch\u1ebf. Kh\u00f4ng dung m\u00f4i, ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p, chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 v\u1eadn h\u00e0nh th\u1ea5p. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Quy tr\u00ecnh s\u1ea3n xu\u1ea5t l\u00e0: monome kh\u00f4 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o h\u1ec7 th\u1ed1ng l\u00f2 ph\u1ea3n \u1ee9ng c\u00f9ng v\u1edbi hydro, v\u00e0 nguy\u00ean li\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o m\u1ed9t v\u00f2ng d\u00f2ng h\u01a1i tu\u1ea7n ho\u00e0n l\u1edbn, v\u00e0 \u0111i v\u00e0o \u0111\u00e1y c\u1ee7a l\u00f2 ph\u1ea3n \u1ee9ng t\u1ea7ng s\u00f4i l\u1edbn th\u00f4ng qua ph\u00e2n ph\u1ed1i kh\u00ed. c\u1ee7a l\u00f2 ph\u1ea3n \u1ee9ng, nguy\u00ean li\u1ec7u th\u00f4 c\u00f3 69,57% ethylene (h\u00e0m l\u01b0\u1ee3ng ethylene l\u00e0 99,9%, 0,1% l\u00e0 ethane), 10,43% hydro, 7,56% ethane v\u00e0 12,44% nit\u01a1. Th\u00e0nh ph\u1ea7n kh\u00ed n\u1ea1p n\u00e0y t\u1ea1o ra m\u1ed9t s\u1ea3n ph\u1ea9m c\u00f3 ch\u1ec9 s\u1ed1 n\u00f3ng ch\u1ea3y l\u00e0 8 g\/10 ph\u00fat v\u00e0 m\u1eadt \u0111\u1ed9 0,964 g\/cm3. Ch\u1ea5t x\u00fac t\u00e1c l\u00e0 h\u1ed7n h\u1ee3p c\u1ee7a magie \u0111i\u00f4xit v\u1edbi titan triclorua v\u00e0 tetrahydrofuran l\u00e0m ch\u1ea5t x\u00fac t\u00e1c, v\u00e0 ch\u1ea5t \u0111\u1ed3ng x\u00fac t\u00e1c l\u00e0 trietyl nh\u00f4m. Ch\u1ea5t x\u00fac t\u00e1c \u0111i v\u00e0o l\u00f2 ph\u1ea3n \u1ee9ng \u1edf d\u1ea1ng r\u1eafn c\u00f9ng v\u1edbi kh\u00ed nit\u01a1 t\u1eeb v\u1ecb tr\u00ed l\u00f2 ph\u1ea3n \u1ee9ng kh\u00f4ng g\u00e2y \u0111au \u0111\u1edbn. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng l\u00e0 105 \u00b0 C v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i s\u1ea3n ph\u1ea9m. \u00c1p su\u1ea5t v\u1eadn h\u00e0nh c\u1ee7a l\u00f2 ph\u1ea3n \u1ee9ng l\u00e0 2,0 MPa v\u00e0 kh\u00ed ph\u1ea3n \u1ee9ng tho\u00e1t ra t\u1eeb \u0111\u1ec9nh c\u1ee7a ph\u1ea3n \u1ee9ng v\u00e0 ch\u1ea5t x\u00fac t\u00e1c ch\u1ee9a ch\u1ea5t r\u1eafn \u0111\u01b0\u1ee3c t\u00e1ch ra b\u1eb1ng thi\u1ebft b\u1ecb t\u00e1ch l\u1ed1c xo\u00e1y v\u00e0 \u0111\u01b0a tr\u1edf l\u1ea1i l\u00f2 ph\u1ea3n \u1ee9ng. Kh\u00ed t\u1eeb l\u1ed1c xo\u00e1y sau \u0111\u00f3 \u0111\u01b0\u1ee3c n\u00e9n v\u00e0 tu\u1ea7n ho\u00e0n xu\u1ed1ng \u0111\u00e1y l\u00f2 ph\u1ea3n \u1ee9ng sau khi l\u00e0m m\u00e1t tu\u1ea7n ho\u00e0n. Vi\u1ec7c x\u1ea3 l\u00f2 ph\u1ea3n \u1ee9ng kh\u00f4ng li\u00ean t\u1ee5c g\u1eedi c\u00e1c vi\u00ean s\u1ea3n ph\u1ea9m \u0111\u1ebfn b\u1ec3 th\u00f4ng qua h\u1ec7 th\u1ed1ng kh\u00f3a kh\u00ed. M\u1ed9t ph\u1ea7n kh\u00ed \u0111i v\u00e0o b\u00ecnh x\u1ea3 \u0111i v\u00e0o h\u1ec7 th\u1ed1ng tu\u1ea7n ho\u00e0n c\u1ee7a m\u00e1y n\u00e9n th\u00f4ng qua b\u00ecnh \u0111\u1ec7m tr\u00ean, b\u1ed9 l\u1ecdc, b\u1ed9 l\u00e0m m\u00e1t kh\u00ed v\u00e0 b\u00ecnh t\u00e1ch. Polyme \u0111i ra t\u1eeb ph\u1ea7n d\u01b0\u1edbi c\u1ee7a b\u1ec3 x\u1ea3 v\u00e0 \u0111i v\u00e0o b\u1ec3 thanh l\u1ecdc v\u00e0 h\u1ec7 th\u1ed1ng x\u1eed l\u00fd sau. H\u1ec7 th\u1ed1ng h\u1eadu x\u1eed l\u00fd bao g\u1ed3m th\u00eam c\u00e1c ch\u1ea5t ph\u1ee5 gia kh\u00e1c nhau v\u00e0o polyme, n\u1ea5u ch\u1ea3y, t\u1ea1o h\u1ea1t v\u00e0 \u0111\u00f3ng g\u00f3i.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ee5c l\u1ee5c H\u1ea1t nh\u1ef1a HDPEL\u01b0\u1ee3c s\u1eed ph\u00e1t tri\u1ec3n h\u1ea1t nh\u1ef1a HDPEPh\u00e2n t\u1eed nh\u1ef1a HDPET\u00ednh n\u0103ng h\u1ea1t nh\u1ef1a HDPEQuy tr\u00ecnh s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a HDPE\u0110i\u1ec1u ch\u1ec9nh tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed\u0110i\u1ec1u ch\u1ec9nh ch\u1ea5t ph\u1ee5 gia khi s\u1ea3n xu\u1ea5tX\u1eed l\u00fd ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a HDPEM\u1ee5c \u0111\u00edch ch\u00ednh s\u1eed d\u1ee5ng h\u1ea1t nh\u1ef1a HDPE\u0110\u00f3ng g\u00f3i, l\u01b0u tr\u1eef v\u00e0 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hdpe\/\" class=\"more-link\">\u0110\u1ecdc ti\u1ebfp<span class=\"screen-reader-text\"> &#8220;H\u1ea1t nh\u1ef1a HDPE&#8221;<\/span><\/a><\/p>\n","protected":false},"featured_media":4252,"comment_status":"open","ping_status":"closed","template":"","meta":[],"yoast_head":"\n<title>H\u1ea1t nh\u1ef1a HDPE - C\u00f4ng Ty TNHH Qu\u1ed1c T\u1ebf BiNa Vi\u1ec7t Nam<\/title>\n<meta name=\"description\" content=\"H\u1ea1t nh\u1ef1a HDPE l\u00e0 Polyetylen t\u1ef7 tr\u1ecdng cao (HDPE), m\u1ed9t s\u1ea3n ph\u1ea9m d\u1ea1ng b\u1ed9t ho\u1eb7c d\u1ea1ng h\u1ea1t m\u00e0u tr\u1eafng. 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