{"id":692237,"date":"2024-10-18T16:16:15","date_gmt":"2024-10-18T15:16:15","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=692237"},"modified":"2024-10-18T16:16:15","modified_gmt":"2024-10-18T15:16:15","slug":"vinyl-clorua-qua-trinh-san-xuat-polymer-on-dinh-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/vinyl-clorua-qua-trinh-san-xuat-polymer-on-dinh-nhiet\/","title":{"rendered":"Vinyl Clorua | Qu\u00e1 Tr\u00ecnh S\u1ea3n Xu\u1ea5t Polymer, \u1ed4n \u0110\u1ecbnh Nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">Vinyl Clorua | Qu\u00e1 Tr\u00ecnh S\u1ea3n Xu\u1ea5t Polymer, \u1ed4n \u0110\u1ecbnh Nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch s\u1ea3n xu\u1ea5t polymer t\u1eeb vinyl clorua v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u1ed5n \u0111\u1ecbnh nhi\u1ec7t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/vinyl_clorua_qua_trinh_san_xuat_polymer_on_dinh_nhiet.png\" alt=\"Vinyl Clorua | Qu\u00e1 Tr\u00ecnh S\u1ea3n Xu\u1ea5t Polymer, \u1ed4n \u0110\u1ecbnh Nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Vinyl Clorua | Qu\u00e1 Tr\u00ecnh S\u1ea3n Xu\u1ea5t Polymer, \u1ed4n \u0110\u1ecbnh Nhi\u1ec7t<\/h2>\n<p>Vinyl clorua l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t h\u00f3a h\u1ecdc quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p polyme. N\u00f3 l\u00e0 nguy\u00ean li\u1ec7u c\u01a1 b\u1ea3n \u0111\u1ec3 s\u1ea3n xu\u1ea5t polyvinyl chloride (PVC), m\u1ed9t lo\u1ea1i polymer \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau nh\u01b0 \u1ed1ng, m\u00e0ng nh\u1ef1a, v\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t polymer t\u1eeb vinyl clorua v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t cho PVC.<\/p>\n<h2>Qu\u00e1 Tr\u00ecnh S\u1ea3n Xu\u1ea5t Polymer t\u1eeb Vinyl Clorua<\/h2>\n<p>Vinyl clorua (C<sub>2<\/sub>H<sub>3<\/sub>Cl) \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ch\u1ee7 y\u1ebfu b\u1eb1ng c\u00e1ch ph\u1ea3n \u1ee9ng ethylene (C<sub>2<\/sub>H<sub>4<\/sub>) v\u1edbi clorua. Quy tr\u00ecnh n\u00e0y bao g\u1ed3m ba b\u01b0\u1edbc ch\u00ednh:<\/p>\n<ol>\n<li><strong>S\u1ea3n xu\u1ea5t ethylene dicloride (EDC):<\/strong> Ethylene ph\u1ea3n \u1ee9ng v\u1edbi kh\u00ed hidroclorua \u0111\u1ec3 t\u1ea1o ra ethylene dicloride (C<sub>2<\/sub>H<sub>4<\/sub>Cl<sub>2<\/sub>).\n<pre>C<sub>2<\/sub>H<sub>4<\/sub> + Cl<sub>2<\/sub> \u2192 C<sub>2<\/sub>H<sub>4<\/sub>Cl<sub>2<\/sub><\/pre>\n<\/li>\n<li><strong>Ph\u00e2n h\u1ee7y ethylene dicloride:<\/strong> Ethylene dicloride \u0111\u01b0\u1ee3c ph\u00e2n h\u1ee7y trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 t\u1ea1o ra vinyl clorua v\u00e0 hydrocloric acid.\n<pre>C<sub>2<\/sub>H<sub>4<\/sub>Cl<sub>2<\/sub> \u2192 C<sub>2<\/sub>H<sub>3<\/sub>Cl + HCl<\/pre>\n<\/li>\n<li><strong>Polymer h\u00f3a:<\/strong> Vinyl clorua \u0111\u01b0\u1ee3c polymer h\u00f3a th\u00e0nh polyvinyl chloride (PVC) b\u1eb1ng ph\u1ea3n \u1ee9ng t\u1ea1o chu\u1ed7i polyme.\n<pre>n C<sub>2<\/sub>H<sub>3<\/sub>Cl \u2192 (C<sub>2<\/sub>H<sub>3<\/sub>Cl)<sub>n<\/sub><\/pre>\n<\/li>\n<\/ol>\n<h2>\u1ed4n \u0110\u1ecbnh Nhi\u1ec7t Cho PVC<\/h2>\n<p>PVC b\u1ea3n ch\u1ea5t kh\u00f4ng \u1ed5n \u0111\u1ecbnh d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 tia c\u1ef1c t\u00edm (UV), v\u00ec v\u1eady c\u1ea7n ph\u1ea3i th\u00eam v\u00e0o c\u00e1c ch\u1ea5t \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u. C\u00e1c bi\u1ec7n ph\u00e1p ch\u00ednh \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t cho PVC bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>S\u1eed d\u1ee5ng ch\u1ea5t \u1ed5n \u0111\u1ecbnh nhi\u1ec7t:<\/strong> C\u00e1c ch\u1ea5t \u1ed5n \u0111\u1ecbnh nhi\u1ec7t nh\u01b0 mu\u1ed1i thi\u1ebfc, calcium-zinc, v\u00e0 organotin \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 ph\u00e2n h\u1ee7y do nhi\u1ec7t v\u00e0 tia UV.<\/li>\n<li><strong>Ch\u1ea5t ch\u1ed1ng oxy h\u00f3a:<\/strong> C\u00e1c ch\u1ea5t ch\u1ed1ng oxy h\u00f3a nh\u01b0 phenol, phosphite v\u00e0 phosphonite \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh oxy h\u00f3a, m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra s\u1ef1 ph\u00e2n h\u1ee7y PVC khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t.<\/li>\n<li><strong>B\u1ed5 sung ch\u1ea5t b\u00f4i tr\u01a1n:<\/strong> Ch\u1ea5t b\u00f4i tr\u01a1n gi\u00fap gi\u1ea3m ma s\u00e1t gi\u1eefa c\u00e1c ph\u00e2n t\u1eed polymer trong qu\u00e1 tr\u00ecnh gia c\u00f4ng, t\u1eeb \u0111\u00f3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 v\u00e0 ng\u0103n ch\u1eb7n hi\u1ec7n t\u01b0\u1ee3ng ch\u00e1y polymer.<\/li>\n<\/ul>\n<p>K\u1ebft h\u1ee3p t\u1ea5t c\u1ea3 nh\u1eefng bi\u1ec7n ph\u00e1p tr\u00ean gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m PVC, t\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Vinyl clorua \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00f4ng nghi\u1ec7p polymer, \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ea3n xu\u1ea5t PVC. Hi\u1ec3u r\u00f5 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p \u1ed5n \u0111\u1ecbnh nhi\u1ec7t l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m PVC. C\u00f4ng ngh\u1ec7 v\u00e0 nghi\u00ean c\u1ee9u trong l\u0129nh v\u1ef1c n\u00e0y lu\u00f4n ph\u00e1t tri\u1ec3n, m\u1edf ra nhi\u1ec1u ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng m\u1edbi cho v\u1eadt li\u1ec7u PVC trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vinyl Clorua | Qu\u00e1 Tr\u00ecnh S\u1ea3n Xu\u1ea5t Polymer, \u1ed4n \u0110\u1ecbnh Nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch s\u1ea3n xu\u1ea5t polymer t\u1eeb vinyl clorua v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u1ed5n \u0111\u1ecbnh nhi\u1ec7t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Vinyl Clorua | Qu\u00e1 Tr\u00ecnh S\u1ea3n Xu\u1ea5t Polymer, \u1ed4n \u0110\u1ecbnh 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