{"id":693370,"date":"2024-07-27T23:55:31","date_gmt":"2024-07-27T22:55:31","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=693370"},"modified":"2024-07-27T23:55:31","modified_gmt":"2024-07-27T22:55:31","slug":"polyethylene-foam-cach-nhiet-chong-am","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/polyethylene-foam-cach-nhiet-chong-am\/","title":{"rendered":"Polyethylene Foam | C\u00e1ch Nhi\u1ec7t, Ch\u1ed1ng \u1ea8m"},"content":{"rendered":"<p class=\"sidekick\">Polyethylene Foam l\u00e0 v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t v\u00e0 ch\u1ed1ng \u1ea9m hi\u1ec7u qu\u1ea3, th\u01b0\u1eddng s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng v\u00e0 \u0111\u00f3ng g\u00f3i \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/polyethylene_foam_cach_nhiet_chong_am.png\" alt=\"Polyethylene Foam | C\u00e1ch Nhi\u1ec7t, Ch\u1ed1ng \u1ea8m\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Polyethylene Foam | C\u00e1ch Nhi\u1ec7t, Ch\u1ed1ng \u1ea8m<\/h2>\n<p>Polyethylene foam (b\u1ecdt polyethylene) l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb polymer, c\u1ee5 th\u1ec3 l\u00e0 t\u1eeb c\u00e1c ph\u00e2n t\u1eed ethylene. V\u1edbi \u0111\u1eb7c t\u00ednh c\u00e1ch nhi\u1ec7t v\u00e0 ch\u1ed1ng \u1ea9m tuy\u1ec7t v\u1eddi, polyethylene foam l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng.<\/p>\n<h2>\u0110\u1eb7c T\u00ednh C\u00e1ch Nhi\u1ec7t<\/h2>\n<p>Polyethylene foam c\u00f3 c\u1ea5u tr\u00fac \u00f4 k\u00edn, gi\u00fap h\u1ea1n ch\u1ebf s\u1ef1 truy\u1ec1n nhi\u00eat qua b\u1ecdt. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 v\u1eadt li\u1ec7u n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t cao, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1eef nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. \u0110\u1eb7c t\u00ednh n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0:<\/p>\n<ul>\n<li>Th\u00f9ng \u0111\u00e1 v\u00e0 t\u1ee7 c\u00e1ch nhi\u1ec7t<\/li>\n<li>V\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t trong x\u00e2y d\u1ef1ng<\/li>\n<li>Bao b\u00ec gi\u1eef nhi\u1ec7t<\/li>\n<\/ul>\n<p>H\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t (thermal conductivity) c\u1ee7a polyethylene foam th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng <span>0.03 &#8211; 0.04 W\/m.K<\/span>, th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 m\u1ea5t m\u00e1t nhi\u1ec7t v\u00e0 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n<h2>\u0110\u1eb7c T\u00ednh Ch\u1ed1ng \u1ea8m<\/h2>\n<p>B\u1ecdt polyethylene c\u00f3 t\u00ednh ch\u1ea5t ch\u1ed1ng \u1ea9m t\u1ed1t nh\u1edd v\u00e0o c\u1ea5u tr\u00fac t\u1ebf b\u00e0o kh\u00e9p k\u00edn. \u0110\u1eb7c t\u00ednh n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc v\u00e0 h\u01a1i n\u01b0\u1edbc, gi\u1eef cho c\u00e1c s\u1ea3n ph\u1ea9m kh\u00f4ng b\u1ecb t\u00e1c \u0111\u1ed9ng b\u1edfi m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee7a kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ea9m bao g\u1ed3m:<\/p>\n<ul>\n<li>L\u00f3t d\u01b0\u1edbi s\u00e0n g\u1ed7 ho\u1eb7c s\u00e0n nh\u1ef1a \u0111\u1ec3 ng\u0103n ch\u1eb7n \u0111\u1ed9 \u1ea9m t\u1eeb \u0111\u1ea5t<\/li>\n<li>B\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u1ecfi h\u01a1i \u1ea9m<\/li>\n<li>Bao b\u00ec b\u1ea3o v\u1ec7 th\u1ef1c ph\u1ea9m v\u00e0 h\u00e0ng h\u00f3a<\/li>\n<\/ul>\n<p>B\u1ecdt polyethylene kh\u00f4ng th\u1ea5m n\u01b0\u1edbc, v\u00e0 h\u1ec7 s\u1ed1 h\u1ea5p th\u1ee5 n\u01b0\u1edbc <span><sup>24<\/sup>\/<sub>48 hours<\/sub><\/span> l\u00e0 c\u1ef1c k\u1ef3 th\u1ea5p, th\u01b0\u1eddng d\u01b0\u1edbi <span>0.1%<\/span>.<\/p>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf<\/h2>\n<p>C\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a polyethylene foam r\u1ea5t \u0111a d\u1ea1ng v\u00e0 phong ph\u00fa. M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n<ol>\n<li><strong>Trong x\u00e2y d\u1ef1ng:<\/strong> B\u1ecdt polyethylene \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 c\u00e1ch nhi\u1ec7t v\u00e0 c\u00e1ch \u00e2m cho c\u00e1c t\u00f2a nh\u00e0, nh\u1eb1m ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u1ea1o m\u00f4i tr\u01b0\u1eddng s\u1ed1ng tho\u1ea3i m\u00e1i h\u01a1n.<\/li>\n<li><strong>Trong c\u00f4ng nghi\u1ec7p:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 bao b\u00ec v\u00e0 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n, nh\u1edd v\u00e0o kh\u1ea3 n\u0103ng ch\u1ed1ng s\u1ed1c v\u00e0 ch\u1ed1ng \u1ea9m.<\/li>\n<li><strong>Trong sinh ho\u1ea1t h\u00e0ng ng\u00e0y:<\/strong> S\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m \u0111\u1ed3 ch\u01a1i tr\u1ebb em, th\u1ea3m t\u1eadp yoga v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m gia d\u1ee5ng kh\u00e1c, nh\u1edd v\u00e0o \u0111\u1ed9 an to\u00e0n v\u00e0 t\u00ednh ti\u1ec7n d\u1ee5ng.<\/li>\n<\/ol>\n<p>V\u1edbi nh\u1eefng \u0111\u1eb7c t\u00ednh n\u1ed5i b\u1eadt tr\u00ean, polyethylene foam kh\u00f4ng ch\u1ec9 l\u00e0 v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng cho vi\u1ec7c c\u00e1ch nhi\u1ec7t v\u00e0 ch\u1ed1ng \u1ea9m m\u00e0 c\u00f2n mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y mang l\u1ea1i cho b\u1ea1n c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 polyethylene foam v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Polyethylene Foam l\u00e0 v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t v\u00e0 ch\u1ed1ng \u1ea9m hi\u1ec7u qu\u1ea3, th\u01b0\u1eddng s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng v\u00e0 \u0111\u00f3ng g\u00f3i \u0111\u1ec3 b\u1ea3o v\u1ec7 s\u1ea3n ph\u1ea9m v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/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>Polyethylene Foam | C\u00e1ch Nhi\u1ec7t, Ch\u1ed1ng \u1ea8m<\/title>\n<meta name=\"description\" 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