{"id":694095,"date":"2024-10-13T10:58:25","date_gmt":"2024-10-13T09:58:25","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=694095"},"modified":"2024-10-13T10:58:25","modified_gmt":"2024-10-13T09:58:25","slug":"polytetrafluoroethylene-ptfe-chiu-nhiet-va-ma-sat-thap","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/polytetrafluoroethylene-ptfe-chiu-nhiet-va-ma-sat-thap\/","title":{"rendered":"Polytetrafluoroethylene (PTFE) | Ch\u1ecbu Nhi\u1ec7t v\u00e0 Ma S\u00e1t Th\u1ea5p"},"content":{"rendered":"<p class=\"sidekick\">Polytetrafluoroethylene (PTFE) | Ch\u1ecbu Nhi\u1ec7t v\u00e0 Ma S\u00e1t Th\u1ea5p: T\u00ecm hi\u1ec3u v\u1ec1 PTFE, ch\u1ea5t li\u1ec7u b\u1ec1n nhi\u1ec7t v\u00e0 \u00edt ma s\u00e1t, \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong k\u1ef9 thu\u1eadt nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/polytetrafluoroethylene_ptfe_chiu_nhiet_va_ma_sat_thap.png\" alt=\"Polytetrafluoroethylene (PTFE) | Ch\u1ecbu Nhi\u1ec7t v\u00e0 Ma S\u00e1t Th\u1ea5p\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Polytetrafluoroethylene (PTFE) | Ch\u1ecbu Nhi\u1ec7t v\u00e0 Ma S\u00e1t Th\u1ea5p<\/h2>\n<p>Polytetrafluoroethylene (PTFE), th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn d\u01b0\u1edbi t\u00ean th\u01b0\u01a1ng hi\u1ec7u Teflon, l\u00e0 m\u1ed9t lo\u1ea1i polymer nhi\u1ec7t d\u1ebbo c\u00f3 nhi\u1ec1u \u0111\u1eb7c t\u00ednh \u01b0u vi\u1ec7t, r\u1ea5t h\u1eefu \u00edch trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t. D\u01b0\u1edbi \u0111\u00e2y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 hai \u0111\u1eb7c t\u00ednh n\u1ed5i b\u1eadt nh\u1ea5t c\u1ee7a PTFE: kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t th\u1ea5p.<\/p>\n<h3>Kh\u1ea3 n\u0103ng Ch\u1ecbu Nhi\u1ec7t C\u1ee7a PTFE<\/h3>\n<p>PTFE n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ef1c k\u1ef3 \u1ea5n t\u01b0\u1ee3ng. V\u1edbi nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y l\u00ean \u0111\u1ebfn <\/p>\n<math>327^\\circ<\/math>\n<p><sup>C<\/sup>, PTFE c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong kho\u1ea3ng nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng, t\u1eeb -200<sup>o<\/sup>C \u0111\u1ebfn 260<sup>o<\/sup>C. \u0110i\u1ec1u n\u00e0y l\u00e0m cho PTFE tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 duy tr\u00ec t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 h\u00f3a h\u1ecdc \u1edf nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n<ul>\n<li>PTFE kh\u00f4ng b\u1ecb ph\u00e2n h\u1ee7y ho\u1eb7c ph\u00e1t ra kh\u00f3i \u0111\u1ed9c h\u1ea1i khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n<li>N\u00f3 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi g\u1ea7n nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c h\u00f3a ch\u1ea5t v\u00e0 dung m\u00f4i.<\/li>\n<\/ul>\n<p>Kh\u1ea3 n\u0103ng n\u00e0y l\u00e0m cho PTFE \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a d\u1ea7u, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt nhi\u1ec7t kh\u00e1c.<\/p>\n<h3>H\u1ec7 S\u1ed1 Ma S\u00e1t Th\u1ea5p<\/h3>\n<p>M\u1ed9t \u0111\u1eb7c t\u00ednh kh\u00e1c kh\u00f4ng th\u1ec3 kh\u00f4ng nh\u1eafc \u0111\u1ebfn l\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t c\u1ef1c k\u1ef3 th\u1ea5p c\u1ee7a PTFE, th\u1ea5p ch\u1ec9 sau kim c\u01b0\u01a1ng. H\u1ec7 s\u1ed1 ma s\u00e1t c\u1ee7a PTFE ch\u1ec9 v\u00e0o kho\u1ea3ng 0.05 \u0111\u1ebfn 0.20, ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n v\u00e0 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt nh\u01b0:<\/p>\n<ol>\n<li>Gi\u1ea3m hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 trong c\u00e1c m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb.<\/li>\n<li>T\u0103ng tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y do gi\u1ea3m m\u00e0i m\u00f2n.<\/li>\n<li>\u0110\u00e1ng tin c\u1eady trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n chuy\u1ec3n \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 v\u00e0 \u00edt b\u1ecb k\u1eb9t.<\/li>\n<\/ol>\n<p>Nh\u1edd v\u00e0o h\u1ec7 s\u1ed1 ma s\u00e1t th\u1ea5p, PTFE th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m l\u1edbp ph\u1ee7 cho c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac trong c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p v\u00e0 gia d\u1ee5ng, t\u1eeb b\u1ec1 m\u1eb7t n\u1ed3i ch\u1ea3o ch\u1ed1ng d\u00ednh \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c ph\u1ee9c t\u1ea1p.<\/p>\n<h3>\u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n<\/h3>\n<p>V\u1edbi nh\u1eefng \u0111\u1eb7c t\u00ednh n\u1ed5i b\u1eadt nh\u01b0 tr\u00ean, PTFE \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c:<\/p>\n<ul>\n<li>Trong ng\u00e0nh \u0111i\u1ec7n t\u1eed, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n.<\/li>\n<li>Trong y t\u1ebf, PTFE \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m v\u1eadt li\u1ec7u cho c\u00e1c d\u1ee5ng c\u1ee5 ph\u1eabu thu\u1eadt v\u00ec t\u00ednh tr\u01a1 sinh h\u1ecdc.<\/li>\n<li>Trong c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4, PTFE \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m l\u1edbp ph\u1ee7 gi\u1ea3m ma s\u00e1t cho c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ed9ng c\u01a1.<\/li>\n<\/ul>\n<p>Nh\u1edd v\u00e0o nh\u1eefng \u0111\u1eb7c t\u00ednh v\u01b0\u1ee3t tr\u1ed9i nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t th\u1ea5p, PTFE mang l\u1ea1i nhi\u1ec1u gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n b\u1ec9 trong m\u1ecdi l\u0129nh v\u1ef1c c\u1ee7a cu\u1ed9c s\u1ed1ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Polytetrafluoroethylene (PTFE) | Ch\u1ecbu Nhi\u1ec7t v\u00e0 Ma S\u00e1t Th\u1ea5p: T\u00ecm hi\u1ec3u v\u1ec1 PTFE, ch\u1ea5t li\u1ec7u b\u1ec1n nhi\u1ec7t v\u00e0 \u00edt ma s\u00e1t, \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong k\u1ef9 thu\u1eadt nhi\u1ec7t.<\/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>Polytetrafluoroethylene (PTFE) | 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