{"id":674669,"date":"2024-10-13T00:25:15","date_gmt":"2024-10-12T23:25:15","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=674669"},"modified":"2024-10-13T00:25:15","modified_gmt":"2024-10-12T23:25:15","slug":"cach-vat-lieu-nhiet-sac-thay-doi-mau-sac","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-vat-lieu-nhiet-sac-thay-doi-mau-sac\/","title":{"rendered":"C\u00e1ch v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc thay \u0111\u1ed5i m\u00e0u s\u1eafc"},"content":{"rendered":"<p class=\"sidekick\">V\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc thay \u0111\u1ed5i m\u00e0u s\u1eafc khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i, \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y \u0111\u1ec3 b\u00e1o hi\u1ec7u v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_vat_lieu_nhiet_sac_thay_doi_mau_sac.png\" alt=\"C\u00e1ch v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc thay \u0111\u1ed5i m\u00e0u s\u1eafc\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00e1ch v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc thay \u0111\u1ed5i m\u00e0u s\u1eafc<\/h2>\n<p>V\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc (thermochromic materials) l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i m\u00e0u s\u1eafc khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i. \u0110\u00e2y l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng th\u00fa v\u1ecb v\u00e0 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 th\u1eddi trang, c\u00f4ng nghi\u1ec7p v\u00e0 y t\u1ebf. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang.<\/p>\n<ul>\n<li>\n<h2>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc<\/h2>\n<\/li>\n<\/ul>\n<p>V\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean s\u1ef1 thay \u0111\u1ed5i c\u1ea5u tr\u00fac ph\u00e2n t\u1eed khi nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i. C\u1ee5 th\u1ec3, v\u1eadt li\u1ec7u n\u00e0y ch\u1ee9a c\u00e1c ph\u00e2n t\u1eed c\u1ea3m nhi\u1ec7t (thermo-sensitive molecules) c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng ho\u1eb7c s\u1eafp x\u1ebfp theo nhi\u1ec7t \u0111\u1ed9.<\/p>\n<p>C\u00f3 hai lo\u1ea1i v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc ch\u00ednh:<\/p>\n<ol>\n<li><u>H\u1ec7 th\u1ed1ng h\u1eefu c\u01a1<\/u>: Bao g\u1ed3m c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1, v\u00ed d\u1ee5 nh\u01b0 leuco dyes.<\/li>\n<li><u>H\u1ec7 th\u1ed1ng v\u00f4 c\u01a1<\/u>: Bao g\u1ed3m c\u00e1c h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1, v\u00ed d\u1ee5 nh\u01b0 oxit vanadi (VO<sub>2<\/sub>).<\/li>\n<\/ol>\n<p>Trong h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1, khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a leuco dyes thay \u0111\u1ed5i, l\u00e0m thay \u0111\u1ed5i c\u00e1ch ch\u00fang h\u1ea5p th\u1ee5 v\u00e0 ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng, t\u1eeb \u0111\u00f3 l\u00e0m thay \u0111\u1ed5i m\u00e0u s\u1eafc. C\u00f2n trong h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 nh\u01b0 VO<sub>2<\/sub>, khi v\u01b0\u1ee3t qua m\u1ed9t nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha nh\u1ea5t \u0111\u1ecbnh, v\u1eadt li\u1ec7u s\u1ebd tr\u1ea3i qua m\u1ed9t s\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb pha k\u1ebft tinh sang pha kim lo\u1ea1i, d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc r\u00f5 r\u1ec7t.<\/p>\n<ul>\n<li>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc<\/h2>\n<\/li>\n<\/ul>\n<p>V\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u1edd kh\u1ea3 n\u0103ng thay \u0111\u1ed5i m\u00e0u s\u1eafc theo nhi\u1ec7t \u0111\u1ed9. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ti\u00eau bi\u1ec3u:<\/p>\n<ul>\n<li><u>Ng\u00e0nh th\u1eddi trang<\/u>: C\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 \u00e1o qu\u1ea7n, gi\u00e0y d\u00e9p c\u00f3 t\u00edch h\u1ee3p v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc t\u1ea1o ra hi\u1ec7u \u1ee9ng m\u00e0u s\u1eafc \u0111\u1ed9ng, \u0111\u1ed9c \u0111\u00e1o khi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng thay \u0111\u1ed5i.<\/li>\n<li><u>Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9<\/u>: C\u00e1c sensor v\u00e0 thi\u1ebft b\u1ecb \u0111o nhi\u1ec7t \u0111\u1ed9 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc \u0111\u1ec3 hi\u1ec3n th\u1ecb m\u1ee9c nhi\u1ec7t d\u1ec5 d\u00e0ng v\u00e0 tr\u1ef1c quan.<\/li>\n<li><u>Y t\u1ebf<\/u>: C\u00e1c nhi\u1ec7t k\u1ebf \u0111i\u1ec7n t\u1eed s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u01a1 th\u1ec3 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 nhanh ch\u00f3ng.<\/li>\n<li><u>Ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/u>: \u1ee8ng d\u1ee5ng trong vi\u1ec7c ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 v\u1eadt li\u1ec7u, gi\u00fap ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 k\u1ecbp th\u1eddi.<\/li>\n<\/ul>\n<p>Nh\u00ecn chung, v\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc kh\u00f4ng ch\u1ec9 mang t\u00ednh n\u0103ng \u0111\u1ed9ng v\u1ec1 m\u00e0u s\u1eafc m\u00e0 c\u00f2n mang l\u1ea1i nhi\u1ec1u ti\u1ec7n \u00edch th\u1ef1c ti\u1ec5n trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p. Kh\u1ea3 n\u0103ng thay \u0111\u1ed5i m\u00e0u s\u1eafc theo nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng ch\u1ec9 t\u1ea1o n\u00ean nh\u1eefng s\u1ea3n ph\u1ea9m m\u1edbi l\u1ea1 v\u00e0 b\u1eaft m\u1eaft m\u00e0 c\u00f2n \u0111\u00f3ng g\u00f3p v\u00e0o vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n trong nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1eadt li\u1ec7u nhi\u1ec7t s\u1eafc thay \u0111\u1ed5i m\u00e0u s\u1eafc khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i, \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y \u0111\u1ec3 b\u00e1o hi\u1ec7u v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9.<\/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 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