{"id":4464,"date":"2023-03-18T11:03:03","date_gmt":"2023-03-18T04:03:03","guid":{"rendered":"https:\/\/dpm360.com\/?post_type=product&#038;p=4464"},"modified":"2023-06-02T17:59:27","modified_gmt":"2023-06-02T10:59:27","slug":"hat-nhua-pla","status":"publish","type":"product","link":"https:\/\/dpm360.com\/san-pham\/hat-nhua-pla\/","title":{"rendered":"H\u1ea1t nh\u1ef1a PLA"},"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-pla\/#Hat_nhua_PLA\" title=\"H\u1ea1t nh\u1ef1a PLA\">H\u1ea1t nh\u1ef1a PLA<\/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-pla\/#Mo_ta_san_pham_hat_nhua_PLA_1203\" title=\"M\u00f4 t\u1ea3 s\u1ea3n ph\u1ea9m h\u1ea1t nh\u1ef1a PLA 1203\">M\u00f4 t\u1ea3 s\u1ea3n ph\u1ea9m h\u1ea1t nh\u1ef1a PLA 1203<\/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-pla\/#Uu_diem_san_pham\" title=\"Uu \u0111i\u1ec3m s\u1ea3n ph\u1ea9m\">Uu \u0111i\u1ec3m s\u1ea3n ph\u1ea9m<\/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-pla\/#Tinh_nang_vat_lieu\" title=\"T\u00ednh n\u0103ng v\u1eadt li\u1ec7u:\">T\u00ednh n\u0103ng v\u1eadt li\u1ec7u:<\/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-pla\/#Phuong_phap_tong_hop_hat_nhua_PLA_axit_polylactic\" title=\"Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p h\u1ea1t nh\u1ef1a PLA axit polylactic\">Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p h\u1ea1t nh\u1ef1a PLA axit polylactic<\/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-pla\/#So_voi_cac_san_pham_hoa_dau_hat_nhua_khac\" title=\"So v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m h\u00f3a d\u1ea7u h\u1ea1t nh\u1ef1a kh\u00e1c\">So v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m h\u00f3a d\u1ea7u h\u1ea1t nh\u1ef1a kh\u00e1c<\/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-pla\/#Qua_trinh_tao_hat_nhua_PLA\" title=\"Qu\u00e1 tr\u00ecnh t\u1ea1o h\u1ea1t nh\u1ef1a PLA\">Qu\u00e1 tr\u00ecnh t\u1ea1o h\u1ea1t nh\u1ef1a PLA<\/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-pla\/#Ung_dung_thi_truong_hat_nhua_PLA\" title=\"\u1ee8ng d\u1ee5ng th\u1ecb tr\u01b0\u1eddng h\u1ea1t nh\u1ef1a PLA\">\u1ee8ng d\u1ee5ng th\u1ecb tr\u01b0\u1eddng h\u1ea1t nh\u1ef1a PLA<\/a><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-pla\/#Ung_dung_cong_nghiep_hat_nhua_PLA\" title=\"\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p h\u1ea1t nh\u1ef1a PLA\">\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p h\u1ea1t nh\u1ef1a PLA<\/a><\/li><\/ul><\/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-pla\/#Danh_dau_SPI_cua_axit_polylactic\" title=\"\u0110\u00e1nh d\u1ea5u SPI c\u1ee7a axit polylactic\">\u0110\u00e1nh d\u1ea5u SPI c\u1ee7a axit polylactic<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Hat_nhua_PLA\"><\/span><span style=\"color: #008000; font-size: 12pt;\"><em><strong>H\u1ea1t nh\u1ef1a PLA<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a PLA l\u00e0 h\u1ea1t nh\u1ef1a &#8220;ph\u00e2n h\u1ee7y sinh h\u1ecdc&#8221;, nh\u1ef1a ph\u00e2n h\u1ee7y sinh h\u1ecdc t\u1eeb l\u00e2u \u0111\u00e3 \u0111\u01b0\u1ee3c cho l\u00e0 gi\u00fap gi\u1ea3i quy\u1ebft \u00f4 nhi\u1ec5m nh\u1ef1a, nh\u01b0ng h\u1ea7u h\u1ebft c\u00e1c t\u00fai nh\u1ef1a &#8220;c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y&#8221; ng\u00e0y nay ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb axit polylactic (PLA), ch\u1ea5t n\u00e0y kh\u00f4ng b\u1ecb ph\u00e2n h\u1ee7y trong qu\u00e1 tr\u00ecnh \u1ee7 ph\u00e2n v\u00e0 l\u00e0m \u00f4 nhi\u1ec5m c\u00e1c lo\u1ea1i nh\u1ef1a c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf kh\u00e1c. Tuy nhi\u00ean, theo nghi\u00ean c\u1ee9u m\u1edbi nh\u1ea5t \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed Nature ng\u00e0y 21, c\u00e1c nh\u00e0 khoa h\u1ecdc M\u1ef9 \u0111\u00e3 ph\u00e1t minh ra m\u1ed9t quy tr\u00ecnh m\u1edbi: ch\u1ec9 s\u1eed d\u1ee5ng nhi\u1ec7t v\u00e0 n\u01b0\u1edbc, nh\u1eefng lo\u1ea1i nh\u1ef1a c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n h\u1ee7y d\u1ec5 d\u00e0ng h\u01a1n. Qu\u00fd kh\u00e1ch h\u00e0ng tham kh\u1ea3o th\u00eam v\u1ec1<span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-hips\/\"> H\u1ea1t nh\u1ef1a HIPS<\/a><\/span><\/span><\/p>\n<figure id=\"attachment_4467\" aria-describedby=\"caption-attachment-4467\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-4467 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-1-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a Pla sinh h\u1ecdc\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-1-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-1-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-1-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-1-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-1-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-1.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4467\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a Pla sinh h\u1ecdc<\/span><\/figcaption><\/figure>\n<p><span style=\"font-size: 12pt;\">Tr\u01b0\u1edbc \u0111\u00e2y c\u00e1c gi\u00e1o s\u01b0 khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u t\u1ea1i UC Berkeley v\u00e0 nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a c\u00f4 \u0111\u00e3 ph\u00e1t hi\u1ec7n ra m\u1ed9t lo\u1ea1i enzyme c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y c\u00e1c h\u00f3a ch\u1ea5t ph\u1ed1t pho h\u1eefu c\u01a1 \u0111\u1ed9c h\u1ea1i, \u0111\u1ed3ng th\u1eddi thi\u1ebft k\u1ebf m\u1ed9t ph\u00e2n t\u1eed g\u1ecdi l\u00e0 heteropolyme ng\u1eabu nhi\u00ean, hay RHP, m\u00e0 c\u00e1c ph\u00e2n t\u1eed bao quanh enzyme. nh\u1eb9 nh\u00e0ng gi\u1eef n\u00f3 l\u1ea1i v\u1edbi nhau m\u00e0 kh\u00f4ng h\u1ea1n ch\u1ebf t\u00ednh d\u1ebbo dai t\u1ef1 nhi\u00ean c\u1ee7a enzyme, b\u1ea3o v\u1ec7 enzyme kh\u1ecfi b\u1ecb ph\u00e2n h\u1ee7y. RHP bao g\u1ed3m 4 lo\u1ea1i ti\u1ec3u \u0111\u01a1n v\u1ecb \u0111\u01a1n ph\u00e2n, m\u1ed7i lo\u1ea1i c\u00f3 \u0111\u1eb7c t\u00ednh h\u00f3a h\u1ecdc \u0111\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c nh\u00f3m h\u00f3a h\u1ecdc tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c enzym c\u1ee5 th\u1ec3. Ch\u00fang ph\u00e2n h\u1ee7y d\u01b0\u1edbi \u00e1nh s\u00e1ng tia c\u1ef1c t\u00edm v\u00e0 hi\u1ec7n di\u1ec7n \u1edf n\u1ed3ng \u0111\u1ed9 d\u01b0\u1edbi 1% t\u00ednh theo tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a nh\u1ef1a.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Trong nghi\u00ean c\u1ee9u n\u00e0y, nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 s\u1eed d\u1ee5ng m\u1ed9t k\u1ef9 thu\u1eadt t\u01b0\u01a1ng t\u1ef1, khi s\u1ea3n xu\u1ea5t nh\u1ef1a, h\u1ecd \u0111\u00e3 \u0111\u00f3ng g\u00f3i h\u00e0ng t\u1ef7 enzyme polyester \u0103n \u0111\u01b0\u1ee3c \u1edf k\u00edch th\u01b0\u1edbc nano trong RHP v\u00e0 nh\u00fang ch\u00fang v\u00e0o c\u00e1c h\u1ea1t nh\u1ef1a d\u1ebbo.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Nghi\u00ean c\u1ee9u cho th\u1ea5y c\u00e1c enzym \u0111\u00f3ng g\u00f3i RHP kh\u00f4ng l\u00e0m thay \u0111\u1ed5i t\u00ednh ch\u1ea5t c\u1ee7a nh\u1ef1a. Khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t v\u00e0 n\u01b0\u1edbc, enzym n\u00e0y s\u1ebd l\u00e0m bong l\u1edbp v\u1eadt li\u1ec7u b\u1ecdc polyme v\u00e0 ph\u00e1 v\u1ee1 c\u00e1c polyme nh\u1ef1a. Lo\u1ea1i nh\u1ef1a n\u00e0y c\u00f3 th\u1ec3 n\u00f3ng ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 170 \u0111\u1ed9 C v\u00e0 \u00e9p \u0111\u00f9n th\u00e0nh s\u1ee3i gi\u1ed1ng nh\u01b0 nh\u1ef1a polyester th\u00f4ng th\u01b0\u1eddng. Trong tr\u01b0\u1eddng h\u1ee3p PLA, c\u00e1c enzym kh\u1eed n\u00f3 th\u00e0nh axit lactic, axit n\u00e0y &#8220;nu\u00f4i&#8221; c\u00e1c vi khu\u1ea9n \u0111\u1ea5t trong ph\u00e2n tr\u1ed9n. V\u1eadt li\u1ec7u b\u1ecdc polyme c\u0169ng xu\u1ed1ng c\u1ea5p.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u0110\u1ed1i v\u1edbi PLA, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 s\u1eed d\u1ee5ng m\u1ed9t lo\u1ea1i enzyme g\u1ecdi l\u00e0 proteinase K, enzym n\u00e0y ph\u00e2n h\u1ee7y PLA th\u00e0nh c\u00e1c ph\u00e2n t\u1eed axit lactic v\u00e0 \u0111\u1ed1i v\u1edbi polycaprolactone (PCL) l\u00e0 lipase. Hai enzym n\u00e0y kh\u00f4ng t\u1ed1n k\u00e9m v\u00e0 s\u1eb5n c\u00f3.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u0110\u1ec3 k\u00edch ho\u1ea1t qu\u00e1 tr\u00ecnh ph\u00e2n h\u1ee7y nh\u1ef1a, ch\u1ec9 c\u1ea7n th\u00eam n\u01b0\u1edbc v\u00e0 m\u1ed9t ch\u00fat nhi\u1ec7t. \u1ede nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, 80% s\u1ee3i PLA bi\u1ebfn \u0111\u1ed5i \u0111\u00e3 b\u1ecb ph\u00e2n h\u1ee7y ho\u00e0n to\u00e0n trong v\u00f2ng m\u1ed9t tu\u1ea7n. Nhi\u1ec7t \u0111\u1ed9 c\u00e0ng cao, t\u1ed1c \u0111\u1ed9 ph\u00e2n h\u1ee7y c\u00e0ng nhanh. Trong \u0111i\u1ec1u ki\u1ec7n \u1ee7 ph\u00e2n c\u00f4ng nghi\u1ec7p, PLA \u0111\u00e3 bi\u1ebfn t\u00ednh b\u1ecb ph\u00e2n h\u1ee7y trong v\u00f2ng 6 ng\u00e0y \u1edf 50\u00b0C. M\u1ed9t lo\u1ea1i nh\u1ef1a polyester kh\u00e1c, PCL, ph\u00e2n h\u1ee7y trong v\u00f2ng hai ng\u00e0y trong \u0111i\u1ec1u ki\u1ec7n \u1ee7 ph\u00e2n c\u00f4ng nghi\u1ec7p \u1edf 40 \u0111\u1ed9 C.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">C\u00f3 t\u1edbi 98% nh\u1ef1a \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng quy tr\u00ecnh n\u00e0y ph\u00e2n h\u1ee7y th\u00e0nh c\u00e1c ph\u00e2n t\u1eed nh\u1ecf. V\u00e0 qu\u00e1 tr\u00ecnh n\u00e0y tr\u00e1nh \u0111\u01b0\u1ee3c vi\u1ec7c s\u1ea3n xu\u1ea5t vi h\u1ea1t nh\u1ef1a.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u cho bi\u1ebft polyester \u0111\u00e3 bi\u1ebfn \u0111\u1ed5i kh\u00f4ng b\u1ecb ph\u00e2n h\u1ee7y khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n ho\u1eb7c \u0111\u1ed9 \u1ea9m trong th\u1eddi gian ng\u1eafn. N\u00f3 ph\u00e2n h\u1ee7y khi ng\u00e2m trong n\u01b0\u1edbc \u1ea5m, c\u00f3 ngh\u0129a l\u00e0 nh\u1ef1a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee7 t\u1ea1i nh\u00e0.<\/span><\/p>\n<figure id=\"attachment_4465\" aria-describedby=\"caption-attachment-4465\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-4465 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a PLA\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/hat-nhua-pla.jpg 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4465\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a PLA<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Mo_ta_san_pham_hat_nhua_PLA_1203\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>M\u00f4 t\u1ea3 s\u1ea3n ph\u1ea9m h\u1ea1t nh\u1ef1a PLA 1203<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Nh\u1ef1a ph\u00e2n h\u1ee7y PLA axit polylactic th\u00f4ng th\u01b0\u1eddng ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 60 \u0111\u1ed9 C. Gi\u1edd \u0111\u00e2y c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t tri\u1ec3n gi\u1edbi thi\u1ec7u m\u1ed9t lo\u1ea1i nh\u1ef1a PLA c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 kho\u1ea3ng 90 \u0111\u1ed9 C. \u0110\u1ecdc v\u1ec1 b\u00e0i: <span style=\"color: #000080;\"><a style=\"color: #000080;\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-ppo\/\">H\u1ea1t nh\u1ef1a PPO<\/a><\/span><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd:<\/span><\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 33.3333%;\"><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">Nh\u1ef1a ph\u00e2n h\u1ee7y PLA 1203<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">Ki\u1ec3m tra ti\u00eau chu\u1ea9n<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">T\u00ednh ch\u1ea5t v\u1eadt l\u00fd<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">T\u1ef7 tr\u1ecdng (g\/cm3)<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\"><span lang=\"EN-US\">1.40<\/span>\u00b10.05<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">GB\/T1033-1986<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">Ch\u1ec9 s\u1ed1 n\u00f3ng ch\u1ea3y (g\/10 ph\u00fat, 190\u2103\/2.16Kg)<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">12-22<\/span><\/td>\n<td style=\"width: 33.3333%;\" width=\"177\"><span lang=\"EN-US\" style=\"font-size: 12pt;\">GB\/T3682-2000<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">Nhi\u1ec7t \u0111\u1ed9 h\u00f3a m\u1ec1m Vicat (\u00b0C)<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">40<\/span><\/td>\n<td style=\"width: 33.3333%;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">\u0110\u1ed9 b\u1ec1n k\u00e9o (Mpa) \u2265<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">40<\/span><\/td>\n<td style=\"width: 33.3333%;\" width=\"177\"><span lang=\"EN-US\" style=\"font-size: 12pt;\">GB\/T1040-1992<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">\u0110\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t (%)\u2265<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">4<\/span><\/td>\n<td style=\"width: 33.3333%;\" width=\"177\"><span lang=\"EN-US\" style=\"font-size: 12pt;\">GB\/T1040-1992<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">\u0110\u1ed9 b\u1ec1n va \u0111\u1eadp (KJ\/m2, Izod)<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">3-5<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">GB\/T1043-1992<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">Co r\u00fat khu\u00f4n<\/span><\/td>\n<td style=\"width: 33.3333%;\"><span style=\"font-size: 12pt;\">0.004<\/span><\/td>\n<td style=\"width: 33.3333%;\" width=\"177\"><span lang=\"EN-US\" style=\"font-size: 12pt;\">ISO 294-4:2001<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Uu_diem_san_pham\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Uu \u0111i\u1ec3m s\u1ea3n ph\u1ea9m<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><span style=\"font-size: 12pt;\">1. B\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng: Kh\u00f4ng \u00f4 nhi\u1ec5m, kh\u00f4ng \u0111\u1ed9c h\u1ea1i. V\u1ecf s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed l\u00e0m b\u1eb1ng nh\u1ef1a c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y ho\u00e0n to\u00e0n tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 s\u1ee9c kh\u1ecfe, an to\u00e0n v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a c\u00e1c n\u01b0\u1edbc ph\u00e1t tri\u1ec3n \u1edf Ch\u00e2u \u00c2u v\u00e0 Hoa K\u1ef3, sau khi s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 b\u1ecb vi sinh v\u1eadt ph\u00e2n h\u1ee7y ho\u00e0n to\u00e0n th\u00e0nh carbon dioxide v\u00e0 n\u01b0\u1edbc khi b\u1ecb th\u1ea3i b\u1ecf trong \u0111\u1ea5t ho\u1eb7c m\u00f4i tr\u01b0\u1eddng l\u00e0m ph\u00e2n tr\u1ed9n. Th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 l\u00e0 gi\u1ea3i ph\u00e1p thay th\u1ebf cho nh\u1ef1a.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">2. Ph\u00e2n hu\u1ef7 100%: V\u1ecf s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed l\u00e0m b\u1eb1ng nh\u1ef1a c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y ho\u00e0n to\u00e0n l\u00e0 v\u1eadt li\u1ec7u polyme t\u00e1i t\u1ea1o sinh kh\u1ed1i, c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y sinh h\u1ecdc ho\u00e0n to\u00e0n 100% th\u00f4ng qua qu\u00e1 tr\u00ecnh \u1ee7 ph\u00e2n th\u01b0\u01a1ng m\u1ea1i.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Ba, th\u1ef1c t\u1ebf: Nh\u1ef1a \u0111\u1eb7c bi\u1ec7t cho v\u1ecf s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed c\u00f3 th\u1ec3 ph\u00e2n h\u1ee7y ho\u00e0n to\u00e0n, c\u00f3 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng t\u1ed1t v\u1edbi m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb, kh\u00f4ng c\u1ea7n s\u1eeda \u0111\u1ed5i thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3 v\u00e0 c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp s\u1ea3n xu\u1ea5t MP3, MP4, \u0111\u0129a U, v\u1ecf \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng, v\u1ecf \u00e2m thanh, v\u1ecf d\u1ee5ng c\u1ee5 \u0111i\u1ec7n t\u1eed nh\u1ecf. \u0110\u1ed3ng th\u1eddi, nh\u1ef1a d\u1ec5 t\u1ea1o m\u00e0u, c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t v\u1ecf s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed v\u1edbi nhi\u1ec1u m\u00e0u s\u1eafc kh\u00e1c nhau, \u0111\u01b0\u1ee3c kh\u00e1ch h\u00e0ng \u01b0a chu\u1ed9ng.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_4468\" aria-describedby=\"caption-attachment-4468\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-4468 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/nhua-pla-300x300.jpg\" alt=\"Nh\u1ef1a Pla\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/nhua-pla-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/nhua-pla-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/nhua-pla-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/nhua-pla-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2023\/03\/nhua-pla.jpg 618w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-4468\" class=\"wp-caption-text\"><span style=\"font-size: 12pt;\">Nh\u1ef1a Pla<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Tinh_nang_vat_lieu\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>T\u00ednh n\u0103ng v\u1eadt li\u1ec7u:<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Axit polylactic c\u00f3 t\u00ednh \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t, nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd l\u00e0 170-230 \u00b0 C, kh\u1ea3 n\u0103ng kh\u00e1ng dung m\u00f4i t\u1ed1t, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo nhi\u1ec1u c\u00e1ch kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 \u00e9p \u0111\u00f9n, k\u00e9o s\u1ee3i, k\u00e9o d\u00e0i hai tr\u1ee5c v\u00e0 \u00e9p phun. Ngo\u00e0i kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y sinh h\u1ecdc, c\u00e1c s\u1ea3n ph\u1ea9m l\u00e0m t\u1eeb axit polylactic c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc t\u1ed1t, \u0111\u1ed9 b\u00f3ng, \u0111\u1ed9 trong su\u1ed1t, c\u1ea3m gi\u00e1c c\u1ea7m tay v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t.<\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">1. Axit polylactic (PLA) l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ph\u00e2n h\u1ee7y sinh h\u1ecdc m\u1edbi \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nguy\u00ean li\u1ec7u tinh b\u1ed9t \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t b\u1edfi c\u00e1c ngu\u1ed3n th\u1ef1c v\u1eadt t\u00e1i t\u1ea1o nh\u01b0 ng\u00f4. Nguy\u00ean li\u1ec7u tinh b\u1ed9t \u0111\u01b0\u1ee3c \u0111\u01b0\u1eddng h\u00f3a \u0111\u1ec3 thu \u0111\u01b0\u1ee3c glucose, sau \u0111\u00f3 \u0111\u01b0\u1ee3c l\u00ean men b\u1eb1ng glucose v\u00e0 m\u1ed9t s\u1ed1 ch\u1ee7ng nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 t\u1ea1o ra axit lactic c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, sau \u0111\u00f3 t\u1ed5ng h\u1ee3p h\u00f3a h\u1ecdc \u0111\u1ec3 t\u1ed5ng h\u1ee3p axit polylactic v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed nh\u1ea5t \u0111\u1ecbnh. <\/span><\/li>\n<li><span style=\"font-size: 12pt;\">N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y sinh h\u1ecdc t\u1ed1t v\u00e0 c\u00f3 th\u1ec3 b\u1ecb vi sinh v\u1eadt trong t\u1ef1 nhi\u00ean ph\u00e2n h\u1ee7y ho\u00e0n to\u00e0n sau khi s\u1eed d\u1ee5ng, cu\u1ed1i c\u00f9ng t\u1ea1o ra carbon dioxide v\u00e0 n\u01b0\u1edbc m\u00e0 kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng, r\u1ea5t c\u00f3 l\u1ee3i cho vi\u1ec7c b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u01b0\u1ee3c c\u00f4ng nh\u1eadn l\u00e0 v\u1eadt li\u1ec7u th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. Nh\u1ef1a th\u00f4ng th\u01b0\u1eddng v\u1eabn \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng c\u00e1ch \u0111\u1ed1t v\u00e0 h\u1ecfa t\u00e1ng, khi\u1ebfn m\u1ed9t l\u01b0\u1ee3ng l\u1edbn kh\u00ed nh\u00e0 k\u00ednh th\u1ea3i v\u00e0o kh\u00f4ng kh\u00ed, trong khi nh\u1ef1a axit polylactic \u0111\u01b0\u1ee3c ch\u00f4n trong \u0111\u1ea5t \u0111\u1ec3 ph\u00e2n h\u1ee7y v\u00e0 carbon dioxide \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u1ef1c ti\u1ebfp x\u00e2m nh\u1eadp v\u00e0o ch\u1ea5t h\u1eefu c\u01a1 c\u1ee7a \u0111\u1ea5t ho\u1eb7c \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 b\u1edfi c\u00e2y tr\u1ed3ng, kh\u00f4ng th\u1ea3i ra ngo\u00e0i kh\u00f4ng kh\u00ed, kh\u00f4ng g\u00e2y hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">2. T\u00ednh ch\u1ea5t c\u01a1 l\u00fd t\u1ed1t. Axit polylactic ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd kh\u00e1c nhau nh\u01b0 \u0111\u00fac th\u1ed5i v\u00e0 nh\u1ef1a nhi\u1ec7t d\u1ebbo, d\u1ec5 x\u1eed l\u00fd v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gia c\u00f4ng c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a kh\u00e1c nhau t\u1eeb c\u00f4ng nghi\u1ec7p \u0111\u1ebfn d\u00e2n d\u1ee5ng, th\u1ef1c ph\u1ea9m \u0111\u00f3ng g\u00f3i, h\u1ed9p c\u01a1m th\u1ee9c \u0103n nhanh, v\u1ea3i kh\u00f4ng d\u1ec7t, v\u1ea3i c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng. Sau \u0111\u00f3, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn th\u00e0nh v\u1ea3i n\u00f4ng nghi\u1ec7p, v\u1ea3i ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe, v\u1ea3i v\u1ee5n, s\u1ea3n ph\u1ea9m v\u1ec7 sinh, v\u1ea3i ch\u1ed1ng tia c\u1ef1c t\u00edm ngo\u00e0i tr\u1eddi, v\u1ea3i l\u1ec1u, th\u1ea3m tr\u1ea3i s\u00e0n&#8230; Tri\u1ec3n v\u1ecdng th\u1ecb tr\u01b0\u1eddng r\u1ea5t h\u1ee9a h\u1eb9n.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">3. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 ph\u00e2n h\u1ee7y t\u1ed1t. Axit polylactic c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c y t\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ea3n xu\u1ea5t b\u1ed9 truy\u1ec1n d\u1ecbch d\u00f9ng m\u1ed9t l\u1ea7n, ch\u1ec9 kh\u00e2u ph\u1eabu thu\u1eadt v\u00e0 axit polylactic ph\u00e2n t\u1eed th\u1ea5p l\u00e0m ch\u1ea5t \u0111\u00f3ng g\u00f3i gi\u1ea3i ph\u00f3ng thu\u1ed1c k\u00e9o d\u00e0i.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">4. Ngo\u00e0i nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u01a1 b\u1ea3n c\u1ee7a nh\u1ef1a ph\u00e2n h\u1ee7y sinh h\u1ecdc, axit polylactic (PLA) c\u00f2n c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t. Nh\u1ef1a ph\u00e2n h\u1ee7y sinh h\u1ecdc truy\u1ec1n th\u1ed1ng kh\u00f4ng b\u1ec1n, trong su\u1ed1t v\u00e0 ch\u1ed1ng bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu nh\u01b0 nh\u1ef1a th\u00f4ng th\u01b0\u1eddng.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">5. C\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u01a1 b\u1ea3n c\u1ee7a axit polylactic (PLA) v\u00e0 nh\u1ef1a t\u1ed5ng h\u1ee3p h\u00f3a d\u1ea7u l\u00e0 t\u01b0\u01a1ng t\u1ef1 nhau, ngh\u0129a l\u00e0 n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Axit polylactic c\u0169ng c\u00f3 \u0111\u1ed9 b\u00f3ng v\u00e0 \u0111\u1ed9 trong su\u1ed1t t\u1ed1t, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u00e0ng l\u00e0m t\u1eeb polystyrene, \u0111i\u1ec1u m\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ph\u00e2n h\u1ee7y sinh h\u1ecdc kh\u00e1c kh\u00f4ng th\u1ec3 cung c\u1ea5p.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">6. Axit polylactic (PLA) c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i t\u1ed1t nh\u1ea5t.PLA c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd ph\u1ed5 bi\u1ebfn kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0: \u00e9p \u0111\u00f9n n\u00f3ng ch\u1ea3y, \u00e9p phun, \u0111\u00fac m\u00e0ng th\u1ed5i, \u0111\u00fac b\u1ecdt v\u00e0 \u0111\u00fac ch\u00e2n kh\u00f4ng, N\u00f3 c\u00f3 h\u00ecnh d\u1ea1ng t\u01b0\u01a1ng t\u1ef1 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 c\u00e1c polyme \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00e0 n\u00f3 c\u0169ng c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh in gi\u1ed1ng nh\u01b0 c\u00e1c lo\u1ea1i phim th\u00f4ng th\u01b0\u1eddng. B\u1eb1ng c\u00e1ch n\u00e0y, axit polylactic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00e0nh c\u00e1c s\u1ea3n ph\u1ea9m \u1ee9ng d\u1ee5ng kh\u00e1c nhau t\u00f9y theo nhu c\u1ea7u c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">7. M\u00e0ng axit polylactic (PLA) c\u00f3 t\u00ednh th\u1ea5m kh\u00ed t\u1ed1t, th\u1ea5m oxy v\u00e0 th\u1ea5m carbon dioxide, \u0111\u1ed3ng th\u1eddi n\u00f3 c\u0169ng c\u00f3 \u0111\u1eb7c t\u00ednh c\u00e1ch ly m\u00f9i. Virus, n\u1ea5m m\u1ed1c r\u1ea5t d\u1ec5 b\u00e1m tr\u00ean b\u1ec1 m\u1eb7t nh\u1ef1a t\u1ef1 h\u1ee7y n\u00ean c\u00f2n nghi ng\u1edd v\u1ec1 \u0111\u1ed9 an to\u00e0n v\u1ec7 sinh, tuy nhi\u00ean axit polylactic l\u00e0 lo\u1ea1i nh\u1ef1a t\u1ef1 h\u1ee7y duy nh\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng khu\u1ea9n, ch\u1ed1ng n\u1ea5m m\u1ed1c c\u1ef1c t\u1ed1t.<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">8. Khi \u0111\u1ed1t axit polylactic (PLA), nhi\u1ec7t tr\u1ecb \u0111\u1ed1t ch\u00e1y c\u1ee7a n\u00f3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi nhi\u1ec7t tr\u1ecb \u0111\u1ed1t gi\u1ea5y, b\u1eb1ng m\u1ed9t n\u1eeda so v\u1edbi \u0111\u1ed1t nh\u1ef1a truy\u1ec1n th\u1ed1ng (nh\u01b0 polyetylen) v\u00e0 vi\u1ec7c \u0111\u1ed1t PLA s\u1ebd kh\u00f4ng bao gi\u1edd th\u1ea3i ra c\u00e1c kh\u00ed \u0111\u1ed9c nh\u01b0 nit\u01a1 v\u00e0 sunfua. C\u01a1 th\u1ec3 con ng\u01b0\u1eddi c\u0169ng ch\u1ee9a axit lactic \u1edf d\u1ea1ng \u0111\u01a1n ph\u00e2n, \u0111i\u1ec1u n\u00e0y cho th\u1ea5y s\u1ef1 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m ph\u00e2n h\u1ee7y n\u00e0y.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Phuong_phap_tong_hop_hat_nhua_PLA_axit_polylactic\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p h\u1ea1t nh\u1ef1a PLA axit polylactic<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Vi\u1ec7c s\u1ea3n xu\u1ea5t axit polylactic d\u1ef1a tr\u00ean axit lactic l\u00e0m nguy\u00ean li\u1ec7u. Qu\u00e1 tr\u00ecnh l\u00ean men axit lactic truy\u1ec1n th\u1ed1ng ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng nguy\u00ean li\u1ec7u th\u00f4 l\u00e0 tinh b\u1ed9t. Hi\u1ec7n t\u1ea1i, Hoa K\u1ef3, Ph\u00e1p, Nh\u1eadt B\u1ea3n v\u00e0 c\u00e1c n\u01b0\u1edbc kh\u00e1c \u0111\u00e3 ph\u00e1t tri\u1ec3n v\u00e0 s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m n\u00f4ng nghi\u1ec7p v\u00e0 ph\u1ee5 ph\u1ea9m l\u00e0m nguy\u00ean li\u1ec7u \u0111\u1ec3 l\u00ean men v\u00e0 s\u1ea3n xu\u1ea5t axit lactic, v\u00e0 sau \u0111\u00f3 s\u1ea3n xu\u1ea5t axit polylactic.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><em><strong>1. Ph\u01b0\u01a1ng ph\u00e1p tr\u00f9ng ng\u01b0ng tr\u1ef1c ti\u1ebfp<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Polycondensation l\u00e0 s\u1ef1 ng\u01b0ng t\u1ee5 tr\u1ef1c ti\u1ebfp c\u1ee7a c\u00e1c monome axit lactic, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p m\u1ed9t b\u01b0\u1edbc. V\u1edbi s\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a ch\u1ea5t kh\u1eed n\u01b0\u1edbc, c\u00e1c nh\u00f3m hydroxyl v\u00e0 carboxyl trong ph\u00e2n t\u1eed axit lactic b\u1ecb kh\u1eed n\u01b0\u1edbc b\u1eb1ng nhi\u1ec7t v\u00e0 ng\u01b0ng t\u1ee5 tr\u1ef1c ti\u1ebfp \u0111\u1ec3 t\u1ea1o th\u00e0nh oligome. Th\u00eam ch\u1ea5t x\u00fac t\u00e1c, ti\u1ebfp t\u1ee5c t\u0103ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 axit polylactic c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p \u0111\u01b0\u1ee3c tr\u00f9ng h\u1ee3p th\u00e0nh axit polylactic c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed t\u01b0\u01a1ng \u0111\u1ed1i cao h\u01a1n.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><em><strong>2. Ph\u01b0\u01a1ng ph\u00e1p hai b\u01b0\u1edbc<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Axit lactic \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh dimer lactide tu\u1ea7n ho\u00e0n, sau \u0111\u00f3 polycondensation m\u1edf v\u00f2ng th\u00e0nh axit polylactic. C\u00f4ng ngh\u1ec7 n\u00e0y t\u01b0\u01a1ng \u0111\u1ed1i tr\u01b0\u1edfng th\u00e0nh, quy tr\u00ecnh ch\u00ednh l\u00e0 vi sinh v\u1eadt l\u00ean men nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ec3 t\u1ea1o ra axit lactic, sau \u0111\u00f3 \u0111\u01b0\u1ee3c tinh ch\u1ebf, kh\u1eed n\u01b0\u1edbc v\u00e0 oligome h\u00f3a, nhi\u1ec7t ph\u00e2n, cu\u1ed1i c\u00f9ng tr\u00f9ng h\u1ee3p th\u00e0nh axit polylactic.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><em><strong>3. \u0110i\u1ec1u ch\u1ebf axit polylactic cao ph\u00e2n t\u1eed b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u00e9p \u0111\u00f9n ph\u1ea3n \u1ee9ng<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">K\u1ebft h\u1ee3p l\u00f2 ph\u1ea3n \u1ee9ng khu\u1ea5y theo m\u1ebb v\u00e0 m\u00e1y \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i cho c\u00e1c th\u00ed nghi\u1ec7m tr\u00f9ng h\u1ee3p n\u00f3ng ch\u1ea3y li\u00ean t\u1ee5c, axit polylactic c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed 150.000 c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c t\u1eeb axit lactic th\u00f4ng qua qu\u00e1 tr\u00ecnh polycondensation li\u00ean t\u1ee5c n\u00f3ng ch\u1ea3y. M\u1ed9t m\u00e1y \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ti\u1ebfp t\u1ee5c tr\u00f9ng ng\u01b0ng ch\u1ea5t chu\u1ea9n b\u1ecb axit lactic c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng mol th\u1ea5p tr\u00ean m\u00e1y \u0111\u00f9n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf axit polylactic c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng mol cao h\u01a1n. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Khi nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng l\u00e0 150\u00b0C, l\u01b0\u1ee3ng ch\u1ea5t x\u00fac t\u00e1c l\u00e0 0,5% v\u00e0 t\u1ed1c \u0111\u1ed9 tr\u1ee5c v\u00edt l\u00e0 75 v\u00f2ng \/ ph\u00fat, kh\u1ed1i l\u01b0\u1ee3ng mol c\u1ee7a axit polylactic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng l\u00ean nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ph\u1ea3n \u1ee9ng \u00e9p \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i, v\u00e0 h\u1ec7 s\u1ed1 ph\u00e2n t\u00e1n c\u1ee7a s\u1ea3n ph\u1ea9m \u00e9p \u0111\u00f9n ph\u1ea3n \u1ee9ng gi\u1ea3m. Th\u00f4ng qua so s\u00e1nh c\u00e1c \u0111\u01b0\u1eddng cong DSC, ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng \u0111\u1ed9 k\u1ebft tinh c\u1ee7a axit polylactic \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p polycondensation \u0111\u00f9n ph\u1ea3n \u1ee9ng b\u1ecb gi\u1ea3m, \u0111i\u1ec1u n\u00e0y c\u00f3 l\u1ee3i \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 gi\u00f2n c\u1ee7a v\u1eadt li\u1ec7u axit polylactic trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"So_voi_cac_san_pham_hoa_dau_hat_nhua_khac\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>So v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m h\u00f3a d\u1ea7u h\u1ea1t nh\u1ef1a kh\u00e1c<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">\u0110\u1ed9 b\u1ec1n c\u1ee7a h\u1ea1t nh\u1ef1a PLA1203 t\u1ed1t h\u01a1n <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-abs\/\">h\u1ea1t nh\u1ef1a ABS<\/a> <\/span>v\u00e0 h\u1ea1t nh\u1ef1a HIPS, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a PLA1203 cao h\u01a1n kho\u1ea3ng 10 \u0111\u1ed9 C so v\u1edbi nh\u1ef1a ABS v\u00e0 HIPS th\u00f4ng th\u01b0\u1eddng sau khi kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Qua_trinh_tao_hat_nhua_PLA\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Qu\u00e1 tr\u00ecnh t\u1ea1o h\u1ea1t nh\u1ef1a PLA<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\"><em><strong>1. V\u1eadt li\u1ec7u v\u1ebd<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Tinh b\u1ed9t \u0111\u01b0\u1ee3c chi\u1ebft xu\u1ea5t t\u1eeb \u200b\u200bc\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng c\u00f3 v\u1ecf nh\u01b0 ng\u00f4 sau khi ch\u00fang \u0111\u01b0\u1ee3c nghi\u1ec1n v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn th\u00e0nh glucose ch\u01b0a tinh ch\u1ebf. Nhi\u1ec1u k\u1ef9 thu\u1eadt c\u00f4ng ngh\u1ec7 cao \u0111\u00e3 kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c c\u00f4ng \u0111o\u1ea1n nghi\u1ec1n v\u00e0 chi\u1ebft xu\u1ea5t nguy\u00ean li\u1ec7u tr\u1ef1c ti\u1ebfp t\u1eeb m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e2y tr\u1ed3ng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><em><strong>2. L\u00ean men<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Glucose \u0111\u01b0\u1ee3c l\u00ean men theo c\u00e1ch t\u01b0\u01a1ng t\u1ef1 nh\u01b0 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t bia ho\u1eb7c r\u01b0\u1ee3u, v\u00e0 glucose \u0111\u01b0\u1ee3c l\u00ean men th\u00e0nh axit lactic t\u01b0\u01a1ng t\u1ef1 nh\u01b0 th\u1ee9c \u0103n \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 s\u1eed d\u1ee5ng trong m\u00f4 c\u01a1 c\u1ee7a con ng\u01b0\u1eddi.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><em><strong>3. S\u1ea3n ph\u1ea9m trung gian<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Monome axit lactic \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh m\u1ed9t s\u1ea3n ph\u1ea9m trung gian &#8211; axit lactic kh\u1eed n\u01b0\u1edbc, c\u1ee5 th\u1ec3 l\u00e0 lactide, th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh c\u00f4 \u0111\u1eb7c \u0111\u1eb7c bi\u1ec7t.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><em><strong>4. Ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Sau khi monome lactide \u0111\u01b0\u1ee3c tinh ch\u1ebf trong ch\u00e2n kh\u00f4ng, quy tr\u00ecnh h\u00f2a tan kh\u00f4ng dung m\u00f4i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ho\u00e0n th\u00e0nh t\u00e1c \u0111\u1ed9ng m\u1edf v\u00f2ng v\u00e0 tr\u00f9ng h\u1ee3p monome.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><em><strong>5. S\u1eeda \u0111\u1ed5i polyme<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Do s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed v\u00e0 \u0111\u1ed9 k\u1ebft tinh c\u1ee7a polyme, t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 kh\u00e1c nhau r\u1ea5t nhi\u1ec1u, do \u0111\u00f3 PLA c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i kh\u00e1c nhau cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ung_dung_thi_truong_hat_nhua_PLA\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>\u1ee8ng d\u1ee5ng th\u1ecb tr\u01b0\u1eddng h\u1ea1t nh\u1ef1a PLA<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">PLA c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 \u00e9p \u0111\u00f9n, \u00e9p phun, v\u1ebd m\u00e0ng v\u00e0 k\u00e9o s\u1ee3i.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u0110\u00f9n l\u1edbp nh\u1ef1a: Nh\u1ef1a \u00e9p \u0111\u00f9n l\u00e0 \u1ee9ng d\u1ee5ng th\u1ecb tr\u01b0\u1eddng ch\u00ednh c\u1ee7a PLA. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00f3ng g\u00f3i rau qu\u1ea3 t\u01b0\u01a1i trong c\u00e1c si\u00eau th\u1ecb l\u1edbn.Lo\u1ea1i bao b\u00ec n\u00e0y \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t th\u00e0nh vi\u00ean quan tr\u1ecdng c\u1ee7a chu\u1ed7i th\u1ecb tr\u01b0\u1eddng ch\u00e2u \u00c2u;th\u1ee9 hai, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed bao b\u00ec th\u00fac \u0111\u1ea9y an to\u00e0n, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. Trong c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, c\u00e1c \u01b0u \u0111i\u1ec3m v\u1ec1 \u0111\u1ed9 trong su\u1ed1t cao, \u0111\u1ed9 b\u00f3ng cao v\u00e0 \u0111\u1ed9 c\u1ee9ng cao c\u1ee7a PLA \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh \u0111\u1ea7y \u0111\u1ee7 v\u00e0 n\u00f3 \u0111\u00e3 tr\u1edf th\u00e0nh h\u01b0\u1edbng \u1ee9ng d\u1ee5ng h\u1ea1t nh\u1ef1a PLA h\u00e0ng \u0111\u1ea7u. Ngo\u00e0i ra, vi\u1ec7c \u1ee9ng d\u1ee5ng nh\u1ef1a \u00e9p \u0111\u00f9n trong l\u00e0m v\u01b0\u1eddn c\u0169ng b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c ch\u00fa \u00fd v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 ph\u1ee7 xanh m\u00e1i d\u1ed1c v\u00e0 ki\u1ec3m so\u00e1t b\u00e3o c\u00e1t.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Tuy nhi\u00ean, qu\u00e1 tr\u00ecnh \u00e9p \u0111\u00f9n PLA kh\u00f4ng d\u1ec5 d\u00e0ng v\u00e0 n\u00f3 ch\u1ec9 ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u1eed l\u00fd tr\u00ean m\u1ed9t s\u1ed1 m\u00e1y \u00e9p \u0111\u00f9n PET ti\u00ean ti\u1ebfn v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m \u00e9p \u0111\u00f9n th\u01b0\u1eddng ch\u1ec9 trong kho\u1ea3ng 0,2-1,0mm. Qu\u00e1 tr\u00ecnh x\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 \u1ea9m v\u00e0 nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd. Trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd \u00e9p \u0111\u00f9n, \u0111\u1ed9 \u1ea9m th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u d\u01b0\u1edbi 50ppm, \u0111i\u1ec1u n\u00e0y \u0111\u1eb7t ra c\u00e1c y\u00eau c\u1ea7u m\u1edbi \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng s\u1ea5y v\u00e0 h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 c\u1ee7a thi\u1ebft b\u1ecb. Trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, n\u1ebfu kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb k\u1ebft tinh ph\u00f9 h\u1ee3p th\u00ec vi\u1ec7c t\u00e1i ch\u1ebf ph\u1ebf li\u1ec7u c\u0169ng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 l\u1edbn, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 r\u1ea5t nhi\u1ec1u ph\u1ebf li\u1ec7u PLA \u0111\u01b0\u1ee3c l\u01b0u th\u00f4ng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Nh\u1ef1a c\u1ea5p ti\u00eam: Trong \u1ee9ng d\u1ee5ng th\u1ecb tr\u01b0\u1eddng c\u1ee7a \u00e9p phun PLA, nh\u1ef1a bi\u1ebfn t\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. M\u1eb7c d\u00f9 PLA tinh khi\u1ebft c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 \u0111\u1ed9 trong su\u1ed1t v\u00e0 \u0111\u1ed9 b\u00f3ng cao, nh\u01b0ng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 nh\u01b0 c\u1ee9ng v\u00e0 gi\u00f2n, kh\u00f3 gia c\u00f4ng v\u00e0 kh\u00f4ng ch\u1ecbu nhi\u1ec7t \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong \u00e9p phun. T\u1ea5t nhi\u00ean, ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t v\u00e0 nh\u1ef1a \u0111\u00e3 v\u00e0 \u0111ang n\u1ed7 l\u1ef1c gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Nh\u00ecn chung, chi ph\u00ed t\u01b0\u01a1ng \u0111\u1ed1i cao l\u00e0 l\u00fd do l\u1edbn nh\u1ea5t c\u1ea3n tr\u1edf vi\u1ec7c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i PLA tr\u00ean th\u1ecb tr\u01b0\u1eddng \u00e9p phun. M\u1eb7c d\u00f9 nh\u1ef1a nguy\u00ean ch\u1ea5t c\u00f3 th\u1ec3 gi\u1ea3m m\u1ed9t s\u1ed1 chi ph\u00ed b\u1eb1ng c\u00e1ch l\u1ea5p \u0111\u1ea7y v\u00e0 s\u1eeda \u0111\u1ed5i, nh\u01b0ng v\u1edbi ti\u1ec1n \u0111\u1ec1 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3, bi\u1ec7n ph\u00e1p n\u00e0y c\u00f3 t\u00e1c d\u1ee5ng h\u1ea1n ch\u1ebf, chi ph\u00ed cao h\u01a1n.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">C\u00e1c lo\u1ea1i nh\u1ef1a kh\u00e1c: M\u00e0ng k\u00e9o d\u00e0i hai chi\u1ec1u l\u00e0 m\u00e0ng PLA th\u00e0nh c\u00f4ng nh\u1ea5t cho \u0111\u1ebfn nay.Sau khi k\u00e9o d\u00e0i hai chi\u1ec1u v\u00e0 \u0111\u1eb7t nhi\u1ec7t, nhi\u1ec7t \u0111\u1ed9 ch\u1ecbu nhi\u1ec7t c\u1ee7a m\u00e0ng PLA c\u00f3 th\u1ec3 t\u0103ng l\u00ean 90\u00b0C, \u0111i\u1ec1u n\u00e0y b\u00f9 \u0111\u1eafp cho khuy\u1ebft \u0111i\u1ec3m PLA kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao nhi\u1ec7t \u0111\u1ed9. B\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh qu\u00e1 tr\u00ecnh \u0111\u1ecbnh h\u01b0\u1edbng v\u00e0 t\u1ea1o h\u00ecnh c\u1ee7a qu\u00e1 tr\u00ecnh k\u00e9o d\u00e0i hai tr\u1ee5c, nhi\u1ec7t \u0111\u1ed9 h\u00e0n nhi\u1ec7t c\u1ee7a m\u00e0ng BOPLA c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u1edf 70-160\u00b0C. \u01afu \u0111i\u1ec3m n\u00e0y kh\u00f4ng c\u00f3 \u1edf BOPET th\u00f4ng th\u01b0\u1eddng. Ngo\u00e0i ra, \u0111\u1ed9 truy\u1ec1n s\u00e1ng c\u1ee7a m\u00e0ng BOPLA \u0111\u1ea1t 94%, \u0111\u1ed9 m\u1edd c\u1ef1c th\u1ea5p, \u0111\u1ed9 b\u00f3ng b\u1ec1 m\u1eb7t c\u0169ng r\u1ea5t t\u1ed1t, lo\u1ea1i m\u00e0ng n\u00e0y c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m bao b\u00ec hoa, m\u00e0ng c\u00e1ch nhi\u1ec7t trong su\u1ed1t phong b\u00ec, bao b\u00ec k\u1eb9o.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">V\u1ea3i kh\u00f4ng d\u1ec7t spunbonded \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong v\u1ea3i kh\u00f4ng d\u1ec7t PLA, do vi\u1ec7c th\u1ef1c hi\u1ec7n l\u1ec7nh h\u1ea1n ch\u1ebf nh\u1ef1a c\u1ee7a Vi\u1ec7t Nam, lo\u1ea1i v\u1ea3i kh\u00f4ng d\u1ec7t n\u00e0y ph\u1ed5 bi\u1ebfn h\u01a1n trong s\u1ea3n xu\u1ea5t t\u00fai mua s\u1eafm. Tuy nhi\u00ean, trong hai l\u0129nh v\u1ef1c m\u00e0ng th\u1ed5i v\u00e0 m\u00e0ng ph\u1ee7, do m\u1ed9t s\u1ed1 khi\u1ebfm khuy\u1ebft \u0111\u1eb7c tr\u01b0ng c\u1ee7a b\u1ea3n th\u00e2n PLA, t\u00ecnh h\u00ecnh \u1ee9ng d\u1ee5ng v\u1eabn \u0111ang \u0111\u01b0\u1ee3c th\u0103m d\u00f2 th\u00eam, m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng th\u00e0nh c\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng sau khi s\u1eeda \u0111\u1ed5i PLA.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Stent tim: Stent axit polylactic h\u00f2a tan \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ea5p th\u1ee5 l\u1ee3i \u00edch c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3 m\u00e0 kh\u00f4ng \u0111\u1ec3 l\u1ea1i \u201cm\u1ea1ng nh\u1ec7n kim lo\u1ea1i\u201d nh\u01b0 stent kim lo\u1ea1i, c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n tr\u00ean phim X-quang c\u1ee7a b\u1ec7nh nh\u00e2n khi \u0111\u1ed9ng m\u1ea1ch v\u00e0nh c\u1ee7a h\u1ecd \u0111\u01b0\u1ee3c l\u00e0m gi\u00e0n gi\u00e1o ho\u00e0n to\u00e0n. C\u00e1c stent hi\u1ec7n t\u1ea1i kh\u00f4ng co l\u1ea1i v\u00e0 kh\u00f4ng m\u1edf r\u1ed9ng theo chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 nhi\u00ean c\u1ee7a \u0111\u1ed9ng m\u1ea1ch. \u1ed0ng \u0111\u1ee1 \u0111\u1ed9ng m\u1ea1ch kim lo\u1ea1i c\u00f3 th\u1ec3 g\u00e2y c\u1ee5c m\u00e1u \u0111\u00f4ng g\u00e2y t\u1eed vong v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng c\u1ea3n tr\u1edf c\u00e1c x\u00e9t nghi\u1ec7m v\u00e0 th\u1ee7 thu\u1eadt trong t\u01b0\u01a1ng lai.<\/span><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Ung_dung_cong_nghiep_hat_nhua_PLA\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p h\u1ea1t nh\u1ef1a PLA<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\"><em><strong>L\u0129nh v\u1ef1c s\u1ea3n ph\u1ea9m d\u00f9ng m\u1ed9t l\u1ea7n<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">C\u00e1c \u0111\u1eb7c t\u00ednh ho\u00e0n to\u00e0n v\u00f4 h\u1ea1i c\u1ee7a axit polylactic \u0111\u1ed1i v\u1edbi c\u01a1 th\u1ec3 con ng\u01b0\u1eddi l\u00e0m cho axit polylactic c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m \u0111\u1ed9c nh\u1ea5t trong l\u0129nh v\u1ef1c b\u1ed9 \u0111\u1ed3 \u0103n d\u00f9ng m\u1ed9t l\u1ea7n, v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i th\u1ef1c ph\u1ea9m v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m d\u00f9ng m\u1ed9t l\u1ea7n kh\u00e1c. Kh\u1ea3 n\u0103ng ph\u00e2n h\u1ee7y sinh h\u1ecdc ho\u00e0n to\u00e0n c\u1ee7a n\u00f3 c\u0169ng \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u cao v\u1ec1 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng c\u1ee7a c\u00e1c n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi, \u0111\u1eb7c bi\u1ec7t l\u00e0 Li\u00ean minh Ch\u00e2u \u00c2u, Hoa K\u1ef3 v\u00e0 Nh\u1eadt B\u1ea3n. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Tuy nhi\u00ean, b\u1ed9 \u0111\u1ed3 \u0103n d\u00f9ng m\u1ed9t l\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng nguy\u00ean li\u1ec7u axit polylactic c\u00f3 c\u00e1c khuy\u1ebft \u0111i\u1ec3m nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu d\u1ea7u. Theo c\u00e1ch n\u00e0y, ch\u1ee9c n\u0103ng c\u1ee7a n\u00f3 b\u1ecb gi\u1ea3m \u0111i r\u1ea5t nhi\u1ec1u, b\u1ed9 \u0111\u1ed3 \u0103n b\u1ecb bi\u1ebfn d\u1ea1ng v\u00e0 v\u1eadt li\u1ec7u tr\u1edf n\u00ean gi\u00f2n trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n, d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn s\u1ea3n ph\u1ea9m b\u1ecb l\u1ed7i. Tuy nhi\u00ean, th\u00f4ng qua s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7, tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 nh\u1eefng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c PLA bi\u1ebfn \u0111\u1ed5i, c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3 nh\u1eefng thi\u1ebfu s\u00f3t c\u1ee7a c\u00e1c h\u1ea1t ban \u0111\u1ea7u, th\u1eadm ch\u00ed c\u00f3 lo\u1ea1i c\u00f2n c\u00f3 nhi\u1ec7t \u0111\u1ed9 ch\u1ecbu nhi\u1ec7t tr\u00ean 120\u00b0C, c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m v\u1eadt li\u1ec7u cho l\u00f2 vi s\u00f3ng.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\"><em><strong>L\u0129nh v\u1ef1c y sinh h\u1ea1t<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Ng\u00e0nh c\u00f4ng nghi\u1ec7p y sinh l\u00e0 l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng s\u1edbm nh\u1ea5t c\u1ee7a axit polylactic. Axit polylactic r\u1ea5t an to\u00e0n \u0111\u1ed1i v\u1edbi c\u01a1 th\u1ec3 con ng\u01b0\u1eddi v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e1c m\u00f4 h\u1ea5p th\u1ee5, ngo\u00e0i c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 l\u00fd tuy\u1ec7t v\u1eddi c\u1ee7a n\u00f3, n\u00f3 c\u00f2n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c y sinh, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u1ee5ng c\u1ee5 ti\u00eam truy\u1ec1n d\u00f9ng m\u1ed9t l\u1ea7n, ch\u1ec9 kh\u00e2u ph\u1eabu thu\u1eadt kh\u00f4ng th\u1ec3 th\u00e1o r\u1eddi, thu\u1ed1c \u0111\u1ea1i l\u00fd \u0111\u00f3ng g\u00f3i c\u1ee9u tr\u1ee3 v\u00e0 g\u00e3y x\u01b0\u01a1ng nh\u00e2n t\u1ea1o V\u1eadt li\u1ec7u c\u1ed1 \u0111\u1ecbnh b\u00ean trong, v\u1eadt li\u1ec7u s\u1eeda ch\u1eefa m\u00f4, da nh\u00e2n t\u1ea1o. Axit polylactic v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc r\u1ea5t cao, n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thay th\u1ebf th\u00e9p kh\u00f4ng g\u1ec9 \u1edf Ch\u00e2u \u00c2u v\u00e0 Hoa K\u1ef3, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u01b0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u c\u1ed1 \u0111\u1ecbnh b\u00ean trong ch\u1ec9nh h\u00ecnh m\u1edbi nh\u01b0 \u0111inh x\u01b0\u01a1ng v\u00e0 t\u1ea5m x\u01b0\u01a1ng. \u0111\u00e3 tho\u00e1t kh\u1ecfi c\u01a1n \u0111au c\u1ee7a cu\u1ed9c ph\u1eabu thu\u1eadt th\u1ee9 hai. C\u00f4ng ngh\u1ec7 c\u1ee7a n\u00f3 c\u00f3 gi\u00e1 tr\u1ecb gia t\u0103ng cao v\u00e0 l\u00e0 v\u1eadt li\u1ec7u polyme \u0111\u1ea7y h\u1ee9a h\u1eb9n cho ng\u00e0nh y t\u1ebf.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Danh_dau_SPI_cua_axit_polylactic\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>\u0110\u00e1nh d\u1ea5u SPI c\u1ee7a axit polylactic<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">M\u00e3 nh\u1eadn d\u1ea1ng k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a axit polylactic l\u00e0 &#8220;7&#8221; do Hi\u1ec7p h\u1ed9i C\u00f4ng nghi\u1ec7p Nh\u1ef1a (SPI) quy \u0111\u1ecbnh. B\u1ec9 \u0111\u00e3 b\u1eaft \u0111\u1ea7u s\u1eed d\u1ee5ng axit polylactic t\u00e1i ch\u1ebf nh\u01b0 m\u1ed9t qu\u1ed1c gia th\u00ed \u0111i\u1ec3m. Qu\u00e1 tr\u00ecnh t\u00e1i ch\u1ebf h\u1ea1t nh\u1ef1a PLA axit polylactic kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c polyme kh\u00e1c, nh\u1ef1a axit polylactic ph\u1ebf th\u1ea3i s\u1ebd \u0111\u01b0\u1ee3c thu gom trong c\u00e1c th\u00f9ng ch\u1ee9a \u0111\u1eb7c bi\u1ec7t, ph\u00e2n h\u1ee7y th\u00e0nh c\u00e1c monome ph\u00e2n t\u1eed nh\u1ecf b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t ph\u00e2n, th\u1ee7y ph\u00e2n. Sau \u0111\u00f3 c\u00e1c monome n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c nh\u00e0 s\u1ea3n xu\u1ea5t t\u00e1i ch\u1ebf axit \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p th\u00e0nh nguy\u00ean li\u1ec7u th\u00f4 axit polylactic v\u1edbi m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t nh\u1ea5t \u0111\u1ecbnh v\u00e0 n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea1i tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ee5c l\u1ee5c H\u1ea1t nh\u1ef1a PLAM\u00f4 t\u1ea3 s\u1ea3n ph\u1ea9m h\u1ea1t nh\u1ef1a PLA 1203Uu \u0111i\u1ec3m s\u1ea3n ph\u1ea9mT\u00ednh n\u0103ng v\u1eadt li\u1ec7u:Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p h\u1ea1t nh\u1ef1a PLA axit polylacticSo v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m h\u00f3a d\u1ea7u h\u1ea1t nh\u1ef1a kh\u00e1cQu\u00e1 tr\u00ecnh t\u1ea1o h\u1ea1t nh\u1ef1a PLA\u1ee8ng d\u1ee5ng th\u1ecb tr\u01b0\u1eddng h\u1ea1t nh\u1ef1a PLA\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p h\u1ea1t nh\u1ef1a PLA\u0110\u00e1nh d\u1ea5u SPI c\u1ee7a &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-pla\/\" class=\"more-link\">\u0110\u1ecdc ti\u1ebfp<span class=\"screen-reader-text\"> &#8220;H\u1ea1t nh\u1ef1a PLA&#8221;<\/span><\/a><\/p>\n","protected":false},"featured_media":4467,"comment_status":"open","ping_status":"closed","template":"","meta":[],"yoast_head":"\n<title>H\u1ea1t nh\u1ef1a PLA - 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