Ch\u1ea5t d\u1ebbo c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m: \u0110\u1eb9p, kh\u00f4ng b\u1ecb g\u1ec9, gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t th\u1ea5p. Ch\u1ea5t d\u1ebbo c\u00f3 nhi\u1ec1u ch\u1ee7ng lo\u1ea1i, t\u1ea1o th\u00e0nh m\u1ed9t h\u1ecd l\u1edbn trong v\u01b0\u01a1ng qu\u1ed1c c\u00e1c v\u1eadt li\u1ec7u.<\/p>\n\n\n\n
Ch\u1ee7ng lo\u1ea1i ch\u1ea5t d\u1ebbo kh\u00e1c nhau s\u1ebd c\u00f3 t\u00ednh n\u0103ng kh\u00e1c nhau v\u00e0 ph\u1ea1m vi s\u1eed d\u1ee5ng c\u0169ng kh\u00e1c nhau. N\u00f3i chung ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 chia th\u00e0nh m\u1ea5y lo\u1ea1i: Ch\u1ea5t d\u1ebbo th\u00f4ng d\u1ee5ng, ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh v\u00e0 ch\u1ea5t d\u1ebbo \u0111\u1eb7c ch\u1ee7ng. Ch\u1ea5t d\u1ebbo th\u00f4ng d\u1ee5ng c\u00f3 s\u1ea3n l\u01b0\u1ee3ng l\u1edbn, gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t th\u1ea5p, ph\u1ea1m vi s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. Trong cu\u1ed9c s\u1ed1ng h\u1eb1ng ng\u00e0y, ch\u00fang ta r\u1ea5t quen thu\u1ed9c v\u1edbi c\u00e1c \u0111\u1ed3 d\u00f9ng \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng polyetylen, polyclovinyl, polypropylen v\u00e0 polyfocman\u0111ehyt. Ch\u00fang chi\u1ebfm \u0111\u1ebfn h\u01a1n 80% s\u1ea3n l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t d\u1ebbo \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Ch\u1ea5t d\u1ebbo \u0111\u1eb7c ch\u1ee7ng l\u00e0 lo\u1ea1i ch\u1ea5t d\u1ebbo \u0111\u1eb7c bi\u1ec7t ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao, b\u1ec1n v\u1edbi c\u00e1c t\u00e1c nh\u00e2n \u0103n m\u00f2n, l\u00e0 lo\u1ea1i ch\u1ea5t d\u1ebbo \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1eb7c th\u00f9, v\u00ed d\u1ee5 polytetrafloetylen l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n, t\u00ednh b\u1ec1n ho\u00e1 h\u1ecdc ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t h\u1ea3o, l\u00e0 vua c\u1ee7a c\u00e1c ch\u1ea5t d\u1ebbo.<\/p>\n\n\n\n
So v\u1edbi c\u00e1c lo\u1ea1i ch\u1ea5t d\u1ebbo k\u1ec3 tr\u00ean, ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh t\u01b0\u01a1ng \u0111\u1ed1i c\u00f2n \u00edt \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u00e0 nhi\u1ec1u ng\u01b0\u1eddi c\u00f2n ng\u1ee1 ng\u00e0ng khi nghe n\u00f3i \u0111\u1ebfn. \u0110\u00e2y l\u00e0 lo\u1ea1i ch\u1ea5t d\u1ebbo d\u00f9ng l\u00e0m v\u1eadt li\u1ec7u trong k\u1ebft c\u1ea5u c\u00e1c c\u00f4ng tr\u00ecnh. Tuy ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh c\u00f3 gi\u00e1 th\u00e0nh cao, nh\u01b0ng \u1edf ch\u00fang c\u00f3 nh\u1eefng t\u00ednh n\u0103ng \u0111\u1eb7c bi\u1ec7t. V\u00ed d\u1ee5 ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh c\u00f3 t\u00ednh b\u1ec1n nhi\u1ec7t cao, t\u00ednh ch\u1ed1ng va \u0111\u1eadp t\u1ed1t, c\u00f3 t\u00ednh ch\u1ed1ng m\u1ecfi, ch\u1ecbu \u0111\u01b0\u1ee3c m\u00e0i m\u00f2n, b\u1ec1n v\u1edbi axit v\u00e0 ki\u1ec1m, b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao c\u0169ng nh\u01b0 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p, ho\u1eb7c c\u00f3 m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t c\u1ee7a kim lo\u1ea1i. So v\u1edbi kim lo\u1ea1i, ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh d\u1ec5 d\u00e0ng t\u1ea1o h\u00ecnh (ch\u1ec9 c\u1ea7n qua m\u1ed9t l\u1ea7n l\u00e0 t\u1ea1o \u0111\u01b0\u1ee3c h\u00ecnh theo \u00fd mu\u1ed1n), d\u1ec5 gia c\u00f4ng, c\u00f3 th\u1ec3 gia c\u00f4ng h\u00e0ng lo\u1ea1t d\u1ec5 d\u00e0ng. Ngo\u00e0i ra, nguy\u00ean li\u1ec7u ch\u1ee7 y\u1ebfu \u0111\u1ec3 s\u1ea3n xu\u1ea5t ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh l\u00e0 d\u1ea7u m\u1ecf, than \u0111\u00e1 v\u00e0 kh\u00ed thi\u00ean nhi\u00ean, so v\u1edbi kim lo\u1ea1i th\u00ec nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh phong ph\u00fa h\u01a1n nhi\u1ec1u, gi\u00e1 th\u00e0nh th\u1ea5p. Do \u0111\u00f3 ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ng\u01b0\u1eddi ta coi tr\u1ecdng.<\/p>\n\n\n\n
Ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh ch\u1ee7 y\u1ebfu thu\u1ed9c c\u00e1c h\u1ecd polyamit, polyfocman\u0111ehyt, polycacbonat, polyeste, polysunfon\u2026 \u0110\u1ea1i \u0111a s\u1ed1 trong ch\u00fang thu\u1ed9c c\u00e1c lo\u1ea1i nh\u1ef1a c\u00f3 t\u00ednh n\u0103ng cao. V\u00ed d\u1ee5 nh\u1ef1a polycacbonat l\u00e0 ch\u1ea5t d\u1ebbo trong su\u1ed1t c\u00f3 t\u00ednh n\u0103ng ch\u1ed1ng va \u0111\u1eadp cao, c\u00f3 th\u1ec3 b\u1ec1n \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 145\u00b0C n\u00ean c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u1eeda s\u1ed5 ch\u1eafn tr\u00ean c\u00e1c \u0111\u1ea7u m\u00e1y bay si\u00eau thanh. Polyphenol – focman\u0111ehyt c\u00f3 t\u00ednh ch\u1ecbu m\u1ecfi t\u1ed1t, c\u00f3 \u0111\u1ed9 c\u1ee9ng cao, h\u1ec7 s\u1ed1 ma s\u00e1t th\u1ea5p, n\u00ean th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o \u1ed5 tr\u1ee5c, th\u00e2n tr\u1ee5c v\u00e0 c\u00e1c b\u00e1nh r\u0103ng nh\u1ecf. Trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y, ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 ch\u1ebf t\u1ea1o m\u00e1y vi t\u00ednh, m\u00e1y ghi h\u00ecnh, m\u00e1y \u0111i\u1ec1u ho\u00e0 nhi\u1ec7t \u0111\u1ed9\u2026 c\u00f9ng nhi\u1ec1u th\u01b0\u01a1ng ph\u1ea9m cao c\u1ea5p kh\u00e1c. Ph\u1ea1m vi s\u1eed d\u1ee5ng c\u1ee7a ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau trong ph\u1ea1m vi to\u00e0n c\u1ea7u.<\/p>\n\n\n\n
T\u1eeb kho\u00e1: Ch\u1ea5t d\u1ebbo c\u00f4ng tr\u00ecnh; Ch\u1ea5t d\u1ebbo th\u00f4ng d\u1ee5ng; Ch\u1ea5t d\u1ebbo \u0111\u1eb7c<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ch\u1ea5t d\u1ebbo c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m: \u0110\u1eb9p, kh\u00f4ng b\u1ecb g\u1ec9, gi\u00e1 th\u00e0nh s\u1ea3n xu\u1ea5t th\u1ea5p. Ch\u1ea5t d\u1ebbo c\u00f3 nhi\u1ec1u ch\u1ee7ng lo\u1ea1i, t\u1ea1o th\u00e0nh m\u1ed9t h\u1ecd l\u1edbn trong v\u01b0\u01a1ng qu\u1ed1c c\u00e1c v\u1eadt li\u1ec7u. Ch\u1ee7ng lo\u1ea1i ch\u1ea5t d\u1ebbo kh\u00e1c nhau s\u1ebd c\u00f3 t\u00ednh n\u0103ng kh\u00e1c nhau v\u00e0 ph\u1ea1m vi s\u1eed d\u1ee5ng c\u0169ng kh\u00e1c nhau. N\u00f3i chung ng\u01b0\u1eddi […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[8,15],"tags":[],"class_list":["post-7858","post","type-post","status-publish","format-standard","hentry","category-hoa-hoc","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7858","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=7858"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/7858\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=7858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=7858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=7858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}