{"id":3917,"date":"2022-11-01T17:09:58","date_gmt":"2022-11-01T10:09:58","guid":{"rendered":"https:\/\/dpm360.com\/?post_type=product&#038;p=3917"},"modified":"2022-11-01T17:38:34","modified_gmt":"2022-11-01T10:38:34","slug":"hat-nhua-pbt","status":"publish","type":"product","link":"https:\/\/dpm360.com\/san-pham\/hat-nhua-pbt\/","title":{"rendered":"H\u1ea1t Nh\u1ef1a PBT"},"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-pbt\/#Hat_nhua_PBT\" title=\"H\u1ea1t nh\u1ef1a PBT\">H\u1ea1t nh\u1ef1a PBT<\/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-pbt\/#Phuong_phat_san_xuat_hat_nhua_PBT\" title=\"Ph\u01b0\u01a1ng ph\u00e1t s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a PBT\">Ph\u01b0\u01a1ng ph\u00e1t s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a PBT<\/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-pbt\/#Hieu_ung_doc_hai_hat_nhua_PBT\" title=\"Hi\u1ec7u \u1ee9ng \u0111\u1ed9c h\u1ea1i h\u1ea1t nh\u1ef1a PBT\">Hi\u1ec7u \u1ee9ng \u0111\u1ed9c h\u1ea1i h\u1ea1t nh\u1ef1a PBT<\/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-pbt\/#Nam_linh_vuc_ung_dung_cua_vat_lieu_PBT\" title=\"N\u0103m l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u PBT\">N\u0103m l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u PBT<\/a><ul class=\"ez-toc-list-level-4\"><li class=\"ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-pbt\/#1_Lich_su_phat_trien\" title=\"1. L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n\">1. L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-4\"><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-pbt\/#2_Hieu_suat\" title=\"2. Hi\u1ec7u su\u1ea5t\">2. Hi\u1ec7u su\u1ea5t<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"h2-size entry-title\"><span class=\"ez-toc-section\" id=\"Hat_nhua_PBT\"><\/span><span style=\"font-size: 12pt; color: #008000;\"><em><strong>H\u1ea1t nh\u1ef1a PBT<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a PBT Polybutylen terephthalate (PBT) l\u00e0 m\u1ed9t lo\u1ea1i polyester \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch tr\u00f9ng h\u1ee3p axit terephthalic v\u00e0 1,4-butanediol. \u0110\u00e2y l\u00e0 m\u1ed9t polyester nhi\u1ec7t d\u1ebbo quan tr\u1ecdng v\u00e0 l\u00e0 m\u1ed9t trong n\u0103m lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt ch\u00ednh.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Polybutylen terephthalate l\u00e0 m\u1ed9t polyeste nhi\u1ec7t d\u1ebbo b\u00e1n tinh th\u1ec3 t\u1eeb tr\u1eafng \u0111\u1ee5c \u0111\u1ebfn m\u1edd \u0111\u1ee5c, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao. Kh\u00f4ng b\u1ec1n v\u1edbi axit v\u00e0 ki\u1ec1m m\u1ea1nh, b\u1ec1n v\u1edbi dung m\u00f4i h\u1eefu c\u01a1, d\u1ec5 ch\u00e1y v\u00e0 b\u1ecb ph\u00e2n h\u1ee7y \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/span><\/p>\n<figure id=\"attachment_3920\" aria-describedby=\"caption-attachment-3920\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3920 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-PBT-2-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a PBT nguy\u00ean sinh\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-PBT-2-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-PBT-2-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-PBT-2-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-PBT-2-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-PBT-2-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-PBT-2.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3920\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a PBT nguy\u00ean sinh<\/span><\/figcaption><\/figure>\n<p><span style=\"font-size: 12pt;\">Polybutylene terephthalate \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u00f4 t\u00f4, thi\u1ebft b\u1ecb c\u01a1 kh\u00ed, b\u1ed9 ph\u1eadn d\u1ee5ng c\u1ee5 ch\u00ednh x\u00e1c, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, d\u1ec7t may v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">T\u00ean ti\u1ebfng Vi\u1ec7t Nam polybutylene terephthalate. T\u00ean n\u01b0\u1edbc ngo\u00e0i polybutylene terephthalate, vi\u1ebft t\u1eaft PBT t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao, d\u1ebbo dai, ch\u1ed1ng m\u1ecfi. H\u00ecnh d\u1ea1ng m\u00e0u tr\u1eafng s\u1eefa trong su\u1ed1t \u0111\u1ebfn m\u1edd \u0111\u1ee5c, ch\u1ea5t r\u1eafn b\u00e1n tinh th\u1ec3. C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc (C12H12O4), ph\u1ee5 l\u1ee5c nCAS S\u1ed1 26062-94- 2, \u0111i\u1ec3m n\u00f3ng ch\u1ea3y 233 \u2103. C\u00e1c b\u1ea1n vui l\u00f2ng t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 s\u1ea3n ph\u1ea9m<span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-pet\/\"> h\u1ea1t nh\u1ef1a PET<\/a><\/span>.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phuong_phat_san_xuat_hat_nhua_PBT\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Ph\u01b0\u01a1ng ph\u00e1t s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a PBT<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t PBT ch\u00ednh: transesterification v\u00e0 ester h\u00f3a tr\u1ef1c ti\u1ebfp v\u00e0 polycondensation. C\u00e1c ch\u1ea5t x\u00fac t\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 tetraisopropyl titanate, tetrabutyl titanate, zirconium alkoxide, thi\u1ebfc alkoxide.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">(1) Ph\u01b0\u01a1ng ph\u00e1p transesterification: Ph\u01b0\u01a1ng ph\u00e1p transesterification s\u1eed d\u1ee5ng dimethyl terephthalate (DMT) l\u00e0m nguy\u00ean li\u1ec7u th\u00f4 v\u00e0 tr\u01b0\u1edbc ti\u00ean th\u1ef1c hi\u1ec7n transesteri h\u00f3a v\u1edbi 1,4-butanediol \u0111\u1ec3 t\u1ea1o ra dibutylene terephthalate, \u0111\u01b0\u1ee3c polycondensed. S\u1ea3n xu\u1ea5t polybutylene terephthalate. Ph\u01b0\u01a1ng ph\u00e1p transesteri h\u00f3a s\u1eed d\u1ee5ng t\u1ef7 l\u1ec7 v\u01b0\u1ee3t qu\u00e1 1,4-butanediol, t\u1ef7 l\u1ec7 mol c\u1ee7a DMT v\u00e0 1,4-butanediol l\u00e0 1\u02d01,3 ~ 1,7 v\u00e0 nhi\u1ec7t \u0111\u1ed9 ph\u1ea3n \u1ee9ng l\u00e0 kho\u1ea3ng 200 \u2103, c\u00f3 l\u1ee3i cho ph\u1ea3n \u1ee9ng c\u00e2n b\u1eb1ng s\u1ef1 t\u1ea1o th\u00e0nh axit terephthalic.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u0110\u1ed9 h\u01b0\u1edbng c\u1ee7a dibutylen fomat c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng ph\u1ee5. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ph\u1ea3n \u1ee9ng polycondensation b\u1eadc hai l\u00e0 kho\u1ea3ng 250-260 \u00b0 C v\u00e0 \u00e1p su\u1ea5t gi\u1ea3m xu\u1ed1ng 0,1-1 mm Hg. Ph\u01b0\u01a1ng ph\u00e1p transesterification c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n gi\u00e1n \u0111o\u1ea1n ho\u1eb7c li\u00ean t\u1ee5c. \u01afu \u0111i\u1ec3m l\u00e0 thi\u1ebft b\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n, \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng t\u01b0\u01a1ng \u0111\u1ed1i v\u1eeba ph\u1ea3i, \u0111i\u1ec1u khi\u1ec3n t\u1eebng b\u01b0\u1edbc ph\u1ea3n \u1ee9ng transesteri h\u00f3a v\u00e0 ph\u1ea3n \u1ee9ng tr\u00f9ng ng\u01b0ng t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 d\u00e0ng, nh\u01b0ng s\u1ea3n xu\u1ea5t theo m\u1ebb hi\u1ec7u su\u1ea5t th\u1ea5p.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">(2) Ph\u01b0\u01a1ng ph\u00e1p tr\u00f9ng ng\u01b0ng este h\u00f3a tr\u1ef1c ti\u1ebfp li\u00ean t\u1ee5c: C\u00f4ng ngh\u1ec7 tr\u00f9ng ng\u01b0ng este h\u00f3a tr\u1ef1c ti\u1ebfp li\u00ean t\u1ee5c t\u01b0\u01a1ng \u0111\u1ed1i ph\u1ee9c t\u1ea1p. Do nguy\u00ean li\u1ec7u c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 tr\u1ea1ng th\u00e1i n\u00f3ng ch\u1ea3y ch\u00e2n kh\u00f4ng cao n\u00ean vi\u1ec7c ki\u1ec3m so\u00e1t v\u1eadt li\u1ec7u thi\u1ebft b\u1ecb, c\u1ea5u tr\u00fac thi\u1ebft b\u1ecb, v\u1eadn chuy\u1ec3n nguy\u00ean li\u1ec7u v\u00e0 ph\u1ea3n \u1ee9ng \u0111i\u1ec1u ki\u1ec7n t\u01b0\u01a1ng \u0111\u1ed1i ph\u1ee9c t\u1ea1p. Do \u0111\u00f3, m\u1ed9t lo\u1ea1t c\u00e1c c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c c\u1ea5p b\u1eb1ng s\u00e1ng ch\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n. Nh\u1eefng c\u00f4ng ngh\u1ec7 n\u1ed5i ti\u1ebfng h\u01a1n l\u00e0: C\u00f4ng ngh\u1ec7 Lurgi Zemmer, \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi vi\u1ec7c s\u1eed d\u1ee5ng ba l\u00f2 ph\u1ea3n \u1ee9ng \u0111\u1ec3 este h\u00f3a, ti\u1ec1n polycondensation v\u00e0 polycondensation.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">L\u00f2 ph\u1ea3n \u1ee9ng polycondensation l\u00e0 m\u1ed9t l\u00f2 ph\u1ea3n \u1ee9ng d\u1ea1ng \u0111\u0129a n\u1eb1m ngang v\u00e0 m\u1ed9t d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t duy nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t quy m\u00f4 120.000 t\u1ea5n m\u1ed7i n\u0103m. S\u1ea3n ph\u1ea9m c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 tetrahydrofuran s\u1ea3n ph\u1ea9m ph\u1ee5 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp trong s\u1ea3n xu\u1ea5t polytetrahydrofuran; c\u00f4ng ngh\u1ec7 Hitachi c\u1ee7a Nh\u1eadt B\u1ea3n c\u00f3 b\u1ed1n lo\u1ea1i l\u00f2 ph\u1ea3n \u1ee9ng kh\u00e1c nhau, c\u00f3 th\u1ec3 \u0111\u1ed3ng th\u1eddi t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 nh\u1edbt cao v\u00e0 \u0111\u1ed9 nh\u1edbt trung b\u00ecnh. Quy m\u00f4 m\u1ed9t d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea1t 60.000 t\u1ea5n \/ n\u0103m. C\u00f4ng ngh\u1ec7 Uhde Inyenta Fischer s\u1eed d\u1ee5ng m\u1ed9t l\u00f2 ph\u1ea3n \u1ee9ng th\u00e1p, qu\u00e1 tr\u00ecnh este h\u00f3a v\u00e0 tr\u00f9ng h\u1ee3p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh trong m\u1ed9t l\u00f2 ph\u1ea3n \u1ee9ng, c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m PBT v\u1edbi m\u1ee9c \u0111\u1ed9 tr\u00f9ng h\u1ee3p 20 ~ 35. N\u1ebfu b\u1ea1n mu\u1ed1n s\u1ea3n xu\u1ea5t m\u1ed9t s\u1ea3n ph\u1ea9m c\u00f3 m\u1ee9c \u0111\u1ed9 tr\u00f9ng h\u1ee3p 80 ~ 150, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn m\u1ed9t l\u00f2 ph\u1ea3n \u1ee9ng \u0111a t\u1ee5 n\u1eb1m ngang kh\u00e1c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 DISCAGE \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">(3) Qu\u00e1 tr\u00ecnh polycondensation pha r\u1eafn: Qu\u00e1 tr\u00ecnh tr\u00ean ch\u1ec9 c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ea3n ph\u1ea9m PBT c\u00f3 m\u1ee9c \u0111\u1ed9 tr\u00f9ng h\u1ee3p kho\u1ea3ng 100 v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed t\u1eeb 20.000 \u0111\u1ebfn 35.000, c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m d\u1ec7t v\u00e0 m\u00e0ng. \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m nh\u1ef1a k\u1ef9 thu\u1eadt, PBT c\u00f3 m\u1ee9c \u0111\u1ed9 tr\u00f9ng h\u1ee3p 150-200 v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed h\u01a1n 40.000 c\u1ea7n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng quy tr\u00ecnh polycondensation pha r\u1eafn. Qu\u00e1 tr\u00ecnh polycondensation pha r\u1eafn c\u00f3 m\u1ed9t ph\u1ea3n \u1ee9ng ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong m\u1ed9t l\u00f2 ph\u1ea3n \u1ee9ng polycondensation pha r\u1eafn, ch\u1ee7 y\u1ebfu bao g\u1ed3m vi\u1ec7c ho\u00e0n th\u00e0nh b\u1ed1n qu\u00e1 tr\u00ecnh ch\u00ednh, \u0111\u00f3 l\u00e0 ti\u1ec1n k\u1ebft tinh, \u1ee7, ph\u1ea3n \u1ee9ng v\u00e0 l\u00e0m l\u1ea1nh. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n kh\u00f4ng li\u00ean t\u1ee5c ho\u1eb7c li\u00ean t\u1ee5c.<\/span><\/p>\n<figure id=\"attachment_3921\" aria-describedby=\"caption-attachment-3921\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3921 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-den-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a PBT m\u00e0u \u0111en\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-den-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-den-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-den-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-den-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-den-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-den.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3921\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a PBT m\u00e0u \u0111en<\/span><\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Hieu_ung_doc_hai_hat_nhua_PBT\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>Hi\u1ec7u \u1ee9ng \u0111\u1ed9c h\u1ea1i h\u1ea1t nh\u1ef1a PBT<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">PBT kh\u00f4ng \u0111\u1ed9c h\u1ea1i v\u00e0 kh\u00f4ng g\u00e2y k\u00edch \u1ee9ng da. Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f3 \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Nh\u1ef1a PBT \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i trong c\u00e1c t\u00fai d\u1ec7t b\u1eb1ng nh\u1ef1a ho\u1eb7c b\u1eb1ng nh\u1ef1a c\u00f3 l\u00f3t nh\u1ef1a, v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n \u1edf n\u01a1i kh\u00f4 r\u00e1o, th\u00f4ng gi\u00f3, tr\u00e1nh m\u01b0a v\u00e0 n\u1eafng, tr\u00e1nh nhi\u1ec7t \u0111\u1ed9 cao, ng\u1ecdn l\u1eeda tr\u1ea7n v\u00e0 tr\u1ed9n v\u1edbi axit m\u1ea1nh, ki\u1ec1m m\u1ea1nh v\u00e0 ch\u1ea5t oxy h\u00f3a m\u1ea1nh.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nam_linh_vuc_ung_dung_cua_vat_lieu_PBT\"><\/span><span style=\"color: #ff0000; font-size: 12pt;\"><em><strong>N\u0103m l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u PBT<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-size: 12pt;\">Nguy\u00ean li\u1ec7u <a href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-pbt\/\"><span style=\"color: #ff6600;\">h\u1ea1t nh\u1ef1a PBT<\/span><\/a> l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i nh\u1ef1a k\u1ef9 thu\u1eadt m\u1edbi nh\u1ea5t \u0111\u01b0\u1ee3c c\u00f4ng nghi\u1ec7p h\u00f3a nh\u01b0ng ph\u00e1t tri\u1ec3n nhanh nh\u1ea5t. N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi c\u00e1c \u0111\u1eb7c t\u00ednh to\u00e0n di\u1ec7n tuy\u1ec7t v\u1eddi, kh\u1ea3 n\u0103ng gia c\u00f4ng \u0111\u00fac t\u1ed1t v\u00e0 hi\u1ec7u su\u1ea5t chi ph\u00ed, c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc tuy\u1ec7t v\u1eddi, \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi v\u00e0 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc tr\u1edf n\u00ean nh\u1ecf h\u01a1n. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y hi\u1ebfm khi thay \u0111\u1ed5i trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao, r\u1ea5t th\u00edch h\u1ee3p cho l\u0129nh v\u1ef1c \u00f4 t\u00f4, \u0111i\u1ec7n t\u1eed v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c, h\u00f4m nay <em><strong>BINA VI\u1ec6T NAM<\/strong><\/em> s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u h\u1ea1t nh\u1ef1a PBT, <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-pvc\/\">h\u1ea1t nh\u1ef1a PVC<\/a><\/span> ng\u00e0y x\u01b0a m\u1ed9t ch\u00fat.<\/span><\/p>\n<figure id=\"attachment_3923\" aria-describedby=\"caption-attachment-3923\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3923 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-nguyen-sinh-PBT-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a nguy\u00ean sinh PBT\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-nguyen-sinh-PBT-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-nguyen-sinh-PBT-1024x1024.jpg 1024w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-nguyen-sinh-PBT-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-nguyen-sinh-PBT-768x768.jpg 768w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-nguyen-sinh-PBT-1536x1536.jpg 1536w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-nguyen-sinh-PBT-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-nguyen-sinh-PBT-600x600.jpg 600w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-nguyen-sinh-PBT.jpg 1810w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3923\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a nguy\u00ean sinh PBT<\/span><\/figcaption><\/figure>\n<h4><span class=\"ez-toc-section\" id=\"1_Lich_su_phat_trien\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>1. L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\">N\u0103m 1942, nh\u00e0 khoa h\u1ecdc ng\u01b0\u1eddi \u0110\u1ee9c P. Schlack \u0111\u00e3 ph\u00e1t tri\u1ec3n nh\u1ef1a PBT, sau \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n c\u00f4ng nghi\u1ec7p b\u1edfi c\u00f4ng ty Celanese c\u1ee7a M\u1ef9 (nay l\u00e0 Ticona) v\u00e0 \u0111\u01b0\u1ee3c ni\u00eam y\u1ebft d\u01b0\u1edbi t\u00ean th\u01b0\u01a1ng m\u1ea1i l\u00e0 Celanex.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">N\u0103m 1970, n\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a ra th\u1ecb tr\u01b0\u1eddng v\u1edbi 30% nh\u1ef1a gia c\u01b0\u1eddng s\u1ee3i th\u1ee7y tinh, v\u00e0 t\u00ean th\u01b0\u01a1ng m\u1ea1i l\u00e0 X-917, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed5i th\u00e0nh CELANEX<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">N\u0103m 1971, Eastman tung ra s\u1ea3n ph\u1ea9m kh\u00f4ng gia c\u1ed1 v\u00e0 kh\u00f4ng gia c\u1ed1 b\u1eb1ng s\u1ee3i th\u1ee7y tinh, t\u00ean th\u01b0\u01a1ng m\u1ea1i l\u00e0 Tenite (PTMT)<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">N\u0103m 1971, GE c\u0169ng ph\u00e1t tri\u1ec3n c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng t\u1ef1, v\u1edbi ba lo\u1ea1i kh\u00f4ng t\u0103ng c\u01b0\u1eddng, t\u0103ng c\u01b0\u1eddng v\u00e0 t\u1ef1 d\u1eadp l\u1eeda.<\/span><\/p>\n<figure id=\"attachment_3924\" aria-describedby=\"caption-attachment-3924\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" class=\"wp-image-3924 size-medium\" src=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-300x300.jpg\" alt=\"H\u1ea1t nh\u1ef1a PBT m\u00e0u\" width=\"300\" height=\"300\" srcset=\"https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-300x300.jpg 300w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-150x150.jpg 150w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau-100x100.jpg 100w, https:\/\/dpm360.com\/wp-content\/uploads\/2022\/11\/hat-nhua-pbt-mau.jpg 360w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-3924\" class=\"wp-caption-text\"><\/span> <span style=\"font-size: 12pt;\">H\u1ea1t nh\u1ef1a PBT m\u00e0u<\/span><\/figcaption><\/figure>\n<h4><span class=\"ez-toc-section\" id=\"2_Hieu_suat\"><\/span><span style=\"color: #0000ff; font-size: 12pt;\"><em><strong>2. Hi\u1ec7u su\u1ea5t<\/strong><\/em><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 12pt;\"><em><strong>1. \u01afu \u0111i\u1ec3m:<\/strong><\/em><\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 c\u1ee9ng cao<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t, nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u1ea1t tr\u00ean 180 \u2103<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Hi\u1ec7u su\u1ea5t b\u00f3ng b\u1ec1 m\u1eb7t t\u1ed1t, \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed kh\u00f4ng phun<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">T\u1ed1c \u0111\u1ed9 k\u1ebft tinh nhanh, t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh tuy\u1ec7t v\u1eddi<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u1ed4n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi \u0111\u1ed9 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p v\u00e0 co ng\u00f3t theo chi\u1ec1u<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ed1t v\u1edbi h\u00f3a ch\u1ea5t, dung m\u00f4i v\u00e0 th\u1eddi ti\u1ebft<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i cao v\u00e0 t\u00ednh ch\u1ea5t \u0111i\u1ec7n t\u1ed1t<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u0110\u1ed9 h\u00fat \u1ea9m th\u1ea5p, t\u00e1c \u0111\u1ed9ng t\u1ed1i thi\u1ec3u \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n v\u00e0 k\u00edch th\u01b0\u1edbc<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc tuy\u1ec7t v\u1eddi, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 c\u1ee9ng cao<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t t\u1ed1t, nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u1ea1t tr\u00ean 180 \u2103<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Hi\u1ec7u su\u1ea5t b\u00f3ng b\u1ec1 m\u1eb7t t\u1ed1t, \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed kh\u00f4ng phun<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">T\u1ed1c \u0111\u1ed9 k\u1ebft tinh nhanh, t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh tuy\u1ec7t v\u1eddi<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u1ed4n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi \u0111\u1ed9 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p v\u00e0 co ng\u00f3t theo chi\u1ec1u<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ed1t v\u1edbi h\u00f3a ch\u1ea5t, dung m\u00f4i v\u00e0 th\u1eddi ti\u1ebft<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u0110\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i cao v\u00e0 t\u00ednh ch\u1ea5t \u0111i\u1ec7n t\u1ed1t<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">\u0110\u1ed9 h\u00fat \u1ea9m th\u1ea5p, t\u00e1c \u0111\u1ed9ng t\u1ed1i thi\u1ec3u \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111i\u1ec7n v\u00e0 k\u00edch th\u01b0\u1edbc<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\"><em><strong>2. Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong><\/em><\/span><\/p>\n<ul>\n<li><span style=\"font-size: 12pt;\">Ph\u00e2n t\u1eed ch\u1ee9a li\u00ean k\u1ebft este v\u00e0 s\u1ebd b\u1ecb ph\u00e2n h\u1ee7y d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a axit m\u1ea1nh, baz\u01a1 m\u1ea1nh v\u00e0 h\u01a1i n\u01b0\u1edbc<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">V\u1eadt li\u1ec7u nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi c\u00e1c v\u1ebft kh\u00eda v\u00e0 d\u1ec5 g\u00e3y<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">Ph\u00e2n t\u1eed ch\u1ee9a li\u00ean k\u1ebft este v\u00e0 s\u1ebd b\u1ecb ph\u00e2n h\u1ee7y d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a axit m\u1ea1nh, baz\u01a1 m\u1ea1nh v\u00e0 h\u01a1i n\u01b0\u1edbc<\/span><\/li>\n<li><span style=\"font-size: 12pt;\">V\u1eadt li\u1ec7u nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi c\u00e1c v\u1ebft kh\u00eda v\u00e0 d\u1ec5 g\u00e3y<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\"><em><strong>3. S\u1eeda \u0111\u1ed5i<\/strong><\/em><\/span><\/p>\n<p><span style=\"font-size: 12pt;\">1. S\u1eeda \u0111\u1ed5i n\u00e2ng cao h\u1ea1t nh\u1ef1a PBT<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Th\u00eam s\u1ee3i th\u1ee7y tinh v\u00e0o PBT, l\u1ef1c li\u00ean k\u1ebft gi\u1eefa s\u1ee3i th\u1ee7y tinh v\u00e0 nh\u1ef1a PBT r\u1ea5t t\u1ed1t. Sau khi th\u00eam m\u1ed9t l\u01b0\u1ee3ng nh\u1ea5t \u0111\u1ecbnh s\u1ee3i th\u1ee7y tinh v\u00e0o nh\u1ef1a PBT, n\u00f3 kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 duy tr\u00ec c\u00e1c \u01b0u \u0111i\u1ec3m ban \u0111\u1ea7u c\u1ee7a nh\u1ef1a PBT nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd, m\u00e0 c\u00f2n l\u1edbn h\u01a1n c\u00f3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a n\u00f3 v\u00e0 kh\u1eafc ph\u1ee5c \u0111\u1ed9 nh\u1ea1y kh\u00eda c\u1ee7a nh\u1ef1a PBT.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">2. S\u1eeda \u0111\u1ed5i ch\u1ea5t l\u00e0m ch\u1eadm ch\u00e1y<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Nguy\u00ean li\u1ec7u h\u1ea1t nh\u1ef1a PBT l\u00e0 m\u1ed9t polyester th\u01a1m d\u1ea1ng tinh th\u1ec3, n\u1ebfu kh\u00f4ng th\u00eam ch\u1ea5t ch\u1ed1ng ch\u00e1y th\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a n\u00f3 l\u00e0 c\u1ea5p UL94HB. Ch\u1ec9 sau khi th\u00eam ch\u1ea5t ch\u1ed1ng ch\u00e1y, n\u00f3 m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ea1t c\u1ea5p UL94V0.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Ch\u1ea5t ch\u1ed1ng ch\u00e1y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 ch\u1ea5t ch\u1ed1ng ch\u00e1y halogen h\u00f3a nh\u01b0 bromua, Sb2O3, phosphide v\u00e0 clorua.Ch\u1ea5t ch\u1ed1ng ch\u00e1y ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 decabromodiphenyl ete, lu\u00f4n l\u00e0 ch\u1ea5t ch\u1ed1ng ch\u00e1y PBT ch\u00ednh. Tuy nhi\u00ean, v\u00ec l\u00fd do b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, c\u00e1c n\u01b0\u1edbc Ch\u00e2u \u00c2u r\u1ea5t s\u1edbm Theo nh\u01b0 l\u1ec7nh c\u1ea5m c\u00f3 li\u00ean quan, t\u1ea5t c\u1ea3 c\u00e1c b\u00ean \u0111ang t\u00ecm ki\u1ebfm c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf c\u1ee7a n\u00f3, nh\u01b0ng kh\u00f4ng c\u00f3 l\u1ee3i th\u1ebf v\u1ec1 hi\u1ec7u su\u1ea5t so v\u1edbi gi\u1ea3i ph\u00e1p thay th\u1ebf decaBDE.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">3. S\u1eeda \u0111\u1ed5i v\u00e0ng pha tr\u1ed9n<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a vi\u1ec7c pha tr\u1ed9n PBT v\u1edbi c\u00e1c polyme kh\u00e1c l\u00e0 \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp, c\u1ea3i thi\u1ec7n bi\u1ebfn d\u1ea1ng cong g\u00e2y ra b\u1edfi s\u1ef1 co ng\u00f3t c\u1ee7a qu\u00e1 tr\u00ecnh \u0111\u00fac v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">\u1ede trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc, s\u1ef1 pha tr\u1ed9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 s\u1eeda \u0111\u1ed5i n\u00f3. C\u00e1c polyme \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 pha tr\u1ed9n \u0111i\u1ec1u ch\u1ec9nh PBT ch\u1ee7 y\u1ebfu bao g\u1ed3m PC, PET. Lo\u1ea1i s\u1ea3n ph\u1ea9m n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u00f4 t\u00f4, \u0111i\u1ec7n t\u1eed v\u00e0 d\u1ee5ng c\u1ee5 \u0111i\u1ec7n, t\u1ef7 l\u1ec7 s\u1ee3i th\u1ee7y tinh l\u00e0 kh\u00e1c nhau v\u00e0 c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 c\u0169ng kh\u00e1c nhau.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">4. \u1ee8ng d\u1ee5ng nguy\u00ean li\u1ec7u h\u1ea1t nh\u1ef1a PBT<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">H\u1ea7u h\u1ebft nh\u1ef1a PBT \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn th\u00e0nh v\u1eadt li\u1ec7u h\u1ed7n h\u1ee3p, sau khi bi\u1ebfn \u0111\u1ed5i v\u1edbi c\u00e1c ch\u1ea5t ph\u1ee5 gia kh\u00e1c nhau, ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi c\u00e1c lo\u1ea1i nh\u1ef1a kh\u00e1c \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh to\u00e0n di\u1ec7n t\u1ed1t nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, ch\u1ed1ng ch\u00e1y, c\u00e1ch \u0111i\u1ec7n v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh x\u1eed l\u00fd t\u1ed1t. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n, \u00f4 t\u00f4, s\u1ea3n xu\u1ea5t m\u00e1y bay, th\u00f4ng tin li\u00ean l\u1ea1c, thi\u1ebft b\u1ecb gia d\u1ee5ng, giao th\u00f4ng v\u1eadn t\u1ea3i v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c. <\/span><\/p>\n<p><span style=\"font-size: 12pt;\">V\u00ed d\u1ee5, sau khi PBT \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh b\u1eb1ng s\u1ee3i th\u1ee7y tinh, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed y\u00eau c\u1ea7u \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc cao trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao trong th\u1eddi gian d\u00e0i. PBT c\u00f3 \u0111i\u1ec7n \u00e1p \u0111\u00e1nh th\u1ee7ng cao v\u00e0 th\u00edch h\u1ee3p \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 \u0111i\u1ec7n tr\u1edf \u0111i\u1ec7n \u00e1p cao. Do t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t \u1edf tr\u1ea1ng th\u00e1i n\u00f3ng ch\u1ea3y, n\u00f3 th\u00edch h\u1ee3p \u0111\u1ec3 gia c\u00f4ng phun c\u00e1c b\u1ed9 ph\u1eadn \u0111i\u1ec7n c\u00f3 c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p, ch\u1eb3ng h\u1ea1n nh\u01b0 \u1ed5 c\u1eafm cho m\u1ea1ch t\u00edch h\u1ee3p, b\u1ea3ng m\u1ea1ch in, b\u00e0n ph\u00edm m\u00e1y t\u00ednh v\u00e0 c\u00f4ng t\u1eafc \u0111i\u1ec7n, c\u1ea7u ch\u00ec, c\u00f4ng t\u1eafc \u0111i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9, b\u1ed9 b\u1ea3o v\u1ec7. B\u1ed9 ph\u1eadn c\u1ea3n \u00f4 t\u00f4, b\u1ed9 ch\u1ebf h\u00f2a kh\u00ed, bugi, c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a h\u1ec7 th\u1ed1ng cung c\u1ea5p nhi\u00ean li\u1ec7u, b\u1ed9 \u0111\u00e1nh l\u1eeda. Trong l\u0129nh v\u1ef1c truy\u1ec1n th\u00f4ng, PBT \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c m\u00f4-\u0111un t\u00edch h\u1ee3p c\u1ee7a \u0111i\u1ec7n tho\u1ea1i \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng ch\u01b0\u01a1ng tr\u00ecnh, b\u1ea3ng \u0111\u1ea5u d\u00e2y, d\u1ee5ng c\u1ee5 \u0111i\u1ec7n.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Theo c\u00e1c b\u00e1o c\u00e1o, vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f4ng t\u1eafc v\u00e0 c\u1ea3m bi\u1ebfn cho c\u00e1c thi\u1ebft b\u1ecb trong xe, c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i v\u00e0 s\u1ef1 t\u1ef1 do trong thi\u1ebft k\u1ebf. \u0110\u1ec3 th\u01b0\u01a1ng m\u1ea1i h\u00f3a v\u1eadt li\u1ec7u n\u00e0y, c\u00f4ng ty \u0111\u00e3 ph\u00e1t tri\u1ec3n &#8220;c\u00f4ng ngh\u1ec7 t\u1ea1o h\u1ee3p kim&#8221;, c\u00f3 th\u1ec3 truy\u1ec1n v\u00e0 h\u1ea5p th\u1ee5 hi\u1ec7u qu\u1ea3 \u00e1nh s\u00e1ng laser, l\u00e0m tan ch\u1ea3y ngay l\u1eadp t\u1ee9c v\u00e0 t\u1ea1o ra c\u1ea5u tr\u00fac bi\u1ec3n \u0111\u1ea3o (m\u1ed9t d\u1ea1ng pha polyme ch\u1ee9a nhi\u1ec1u th\u00e0nh ph\u1ea7n) ph\u00e2n t\u00e1n \u0111\u1ed3ng \u0111\u1ec1u. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 pha tr\u1ed9n nhi\u1ec1u lo\u1ea1i polyme \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh m\u1edbi, v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt t\u1ea1o h\u1ee3p kim kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh mong mu\u1ed1n.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">V\u1edbi \u0111i\u1ec1u n\u00e0y, s\u1ea3n ph\u1ea9m n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 truy\u1ec1n laser l\u00ean \u0111\u1ebfn 72%, cho ph\u00e9p l\u1eafng \u0111\u1ecdng \u1edf c\u01b0\u1eddng \u0111\u1ed9 cao v\u1edbi \u0111\u1ed9 l\u1eafng \u0111\u1ecdng c\u1ee7a tia laser \u0111\u1ea7u ra th\u1ea5p. Sau 1000 gi\u1edd ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 \u1ea9m cao trong m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec7t \u0111\u1ed9 85 \u00b0 C v\u00e0 \u0111\u1ed9 \u1ea9m 85% Rh v\u00e0 ki\u1ec3m tra chu tr\u00ecnh nhi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng t\u1eeb -40 \u00b0 C \u0111\u1ebfn + 100 \u00b0 C, th\u1eadm ch\u00ed N\u1ebfu n\u01b0\u1edbc \u0111\u01b0\u1ee3c t\u1ea1o \u00e1p su\u1ea5t b\u1eb1ng kh\u00f4ng kh\u00ed 3 atm th\u00ec kh\u00f4ng c\u00f3 kh\u00ed r\u00f2 r\u1ec9. Ngo\u00e0i ra, vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u m\u1edbi n\u00e0y c\u0169ng c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c quy tr\u00ecnh s\u01a1n, quy tr\u00ecnh l\u00e0m kh\u00f4 c\u1ea7n thi\u1ebft tr\u01b0\u1edbc \u0111\u00f3 v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 mi\u1ebfng \u0111\u1ec7m cao su c\u00f3 th\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian th\u1ef1c hi\u1ec7n.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Ngo\u00e0i ra c\u0169ng \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u ch\u1ec9nh v\u1eadt li\u1ec7u gi\u00fap s\u1eafp x\u1ebfp c\u00e1c s\u1ee3i th\u1ee7y tinh m\u1ed9t c\u00e1ch ng\u1eabu nhi\u00ean \u0111\u1ec3 ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng cong v\u00eanh. \u0110\u1ed9 cong v\u00eanh c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u00fac \u0111\u00e3 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi 0,5mm, ch\u1ec9 b\u1eb1ng 1\/4 so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m tr\u01b0\u1edbc \u0111\u00e2y c\u1ee7a c\u00f4ng ty. V\u00ec \u0111\u1ed9 b\u1ec1n h\u00e0n c\u1ee7a b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c ph\u1ee7 la-de tr\u1edf n\u00ean \u0111\u1ed3ng nh\u1ea5t, n\u00ean kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 gi\u1ea3m s\u1ef1 thay \u0111\u1ed5i v\u1ec1 \u0111\u1ed9 ch\u1ed1ng th\u1ea5m v\u00e0 \u0111\u1ed9 k\u00edn kh\u00ed c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00fac s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, m\u00e0 c\u00f2n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ed1i x\u1ee9ng v\u00e0 b\u1ea5t th\u01b0\u1eddng kh\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c. c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd kh\u00e1c v\u00e0 c\u00e1c y\u00eau c\u1ea7u x\u1eed l\u00fd kh\u00e1c.<\/span><\/p>\n<p><span style=\"font-size: 12pt;\">Ngo\u00e0i ra, c\u00f4ng ngh\u1ec7 bi\u1ebfn t\u00ednh nh\u1ef1a \u0111\u1ec3 ng\u0103n ch\u1eb7n ph\u1ea3n \u1ee9ng th\u1ee7y ph\u00e2n c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n. C\u00e1c b\u1ed9 ph\u1eadn t\u1eeb 7mm \u0111\u1ebfn 100mm \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3. V\u1eadt li\u1ec7u m\u1edbi c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc v\u00e0 kh\u00e1ng h\u00f3a ch\u1ea5t, v\u00e0 c\u00f3 nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t l\u00e0 200 \u00b0 C, v\u00ec v\u1eady n\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00f2ng m\u00e1y. Sau 1000 gi\u1edd th\u1eed nghi\u1ec7m nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 \u1ea9m cao \u1edf nhi\u1ec7t \u0111\u1ed9 85 \u00b0 C v\u00e0 \u0111\u1ed9 \u1ea9m 85% Rh, t\u1ef7 l\u1ec7 duy tr\u00ec \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u1ea1t 94%, cao h\u01a1n nhi\u1ec1u so v\u1edbi 50% c\u00e1c s\u1ea3n ph\u1ea9m tr\u01b0\u1edbc \u0111\u00e2y c\u1ee7a c\u00f4ng ty.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ee5c l\u1ee5c H\u1ea1t nh\u1ef1a PBTPh\u01b0\u01a1ng ph\u00e1t s\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a PBTHi\u1ec7u \u1ee9ng \u0111\u1ed9c h\u1ea1i h\u1ea1t nh\u1ef1a PBTN\u0103m l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u PBT1. L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n2. Hi\u1ec7u su\u1ea5t H\u1ea1t nh\u1ef1a PBT H\u1ea1t nh\u1ef1a PBT Polybutylen terephthalate (PBT) l\u00e0 m\u1ed9t lo\u1ea1i polyester \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch tr\u00f9ng h\u1ee3p axit terephthalic v\u00e0 1,4-butanediol. &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-pbt\/\" class=\"more-link\">\u0110\u1ecdc ti\u1ebfp<span class=\"screen-reader-text\"> &#8220;H\u1ea1t Nh\u1ef1a PBT&#8221;<\/span><\/a><\/p>\n","protected":false},"featured_media":3919,"comment_status":"open","ping_status":"closed","template":"","meta":[],"yoast_head":"\n<title>H\u1ea1t Nh\u1ef1a PBT - C\u00f4ng Ty TNHH Qu\u1ed1c T\u1ebf BiNa Vi\u1ec7t Nam<\/title>\n<meta name=\"description\" content=\"H\u1ea1t nh\u1ef1a PBT Polybutylen terephthalate (PBT) l\u00e0 m\u1ed9t lo\u1ea1i polyester \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch tr\u00f9ng h\u1ee3p axit terephthalic v\u00e0 1,4-butanediol.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dpm360.com\/san-pham\/hat-nhua-pbt\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u1ea1t Nh\u1ef1a PBT - 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