![\"\"](\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2023\/10\/Plastic-powder-modification.webp\")
<\/p>\n<\/p>\n
S\u1eeda \u0111\u1ed5i ch\u1ea5t l\u00e0m \u0111\u1ea7y nh\u1ef1a \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t lo\u1ea1i c\u00f4ng ngh\u1ec7 t\u1ed5ng h\u1ee3p b\u1ed5 sung ch\u1ea5t \u0111\u1ed9n chi ph\u00ed th\u1ea5p v\u00e0o nh\u1ef1a \u0111\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m polymer. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a n\u00f3 th\u01b0\u1eddng l\u00e0 \u0111\u1ec3 gi\u1ea3m chi ph\u00ed. Nh\u01b0ng v\u00ec \u0111\u00e2y l\u00e0 b\u1ea3n s\u1eeda \u0111\u1ed5i \u0111i\u1ec1n n\u00ean c\u0169ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n m\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh nh\u1ea5t \u0111\u1ecbnh sau khi \u0111i\u1ec1n.<\/p>\n
Trong nh\u1ef1a nhi\u1ec7t d\u1ebbo, ch\u1ea5t l\u00e0m \u0111\u1ea7y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc, kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e3o, ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng ch\u00e1y, kh\u1eed kh\u00f3i v\u00e0 ph\u00e2n h\u1ee7y c\u1ee7a s\u1ea3n ph\u1ea9m composite, \u0111\u1ed3ng th\u1eddi gi\u1ea3m t\u1ed1c \u0111\u1ed9 co r\u00fat c\u1ee7a khu\u00f4n \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a S\u1ea3n ph\u1ea9m; Trong nh\u1ef1a nhi\u1ec7t r\u1eafn, ngo\u00e0i nh\u1eefng c\u1ea3i ti\u1ebfn v\u1ec1 hi\u1ec7u su\u1ea5t n\u00f3i tr\u00ean, m\u1ed9t s\u1ed1 lo\u1ea1i nh\u1ef1a l\u00e0 v\u1eadt li\u1ec7u gia c\u1ed1 thi\u1ebft y\u1ebfu trong qu\u00e1 tr\u00ecnh gia c\u00f4ng, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1ef1a kh\u00f4ng b\u00e3o h\u00f2a, nh\u1ef1a phenolic v\u00e0 nh\u1ef1a amino, t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y v\u00e0 gia c\u1ed1.<\/p>\n
\u0110\u1eb7c t\u00ednh s\u1eeda \u0111\u1ed5i ph\u1ed5 bi\u1ebfn c\u1ee7a ch\u1ea5t \u0111\u1ed9n<\/p>\n
\u2460 C\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u composite: \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n c\u1ee5 th\u1ec3 qua c\u00e1c ch\u1ec9 s\u1ed1 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 \u0111\u1ed9 b\u1ec1n u\u1ed1n, m\u00f4 \u0111un u\u1ed1n v\u00e0 \u0111\u1ed9 c\u1ee9ng. H\u00e0m l\u01b0\u1ee3ng silica<\/a> trong ch\u1ea5t \u0111\u1ed9n c\u00e0ng cao th\u00ec hi\u1ec7u \u1ee9ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 c\u1ee9ng s\u1ebd c\u00e0ng r\u00f5 r\u00e0ng. Th\u1ee9 t\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 c\u1ee9ng c\u1ee7a c\u00e1c ch\u1ea5t \u0111\u1ed9n kh\u00e1c nhau l\u00e0 silica<\/a> (t\u0103ng 120%) > mica (t\u0103ng 100%) > wollastonite (t\u0103ng 80%) > bari sunfat (t\u0103ng 60%) > talc (t\u0103ng 50%) > Canxi cacbonat n\u1eb7ng (t\u0103ng 30%) > canxi cacbonat nh\u1eb9 (t\u0103ng 20%).<\/p>\n \u2461 C\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a v\u1eadt li\u1ec7u composite: th\u1ec3 hi\u1ec7n c\u1ee5 th\u1ec3 \u1edf vi\u1ec7c gi\u1ea3m \u0111\u1ed9 co ng\u00f3t, gi\u1ea3m cong v\u00eanh, gi\u1ea3m h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh, gi\u1ea3m \u0111\u1ed9 r\u00e3o v\u00e0 t\u0103ng t\u00ednh \u0111\u1eb3ng h\u01b0\u1edbng. Th\u1ee9 t\u1ef1 c\u1ee7a c\u00e1c hi\u1ec7u \u1ee9ng \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc l\u00e0 ch\u1ea5t \u0111\u1ed9n h\u00ecnh c\u1ea7u > ch\u1ea5t \u0111\u1ed9n d\u1ea1ng h\u1ea1t > ch\u1ea5t \u0111\u1ed9n d\u1ea1ng m\u1ea3nh > Ch\u1ea5t \u0111\u1ed9n d\u1ea1ng s\u1ee3i.<\/p>\n \u2462C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite: Ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t c\u1ee5 th\u1ec3 l\u00e0 nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t. V\u00ed d\u1ee5, nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t t\u0103ng khi h\u00e0m l\u01b0\u1ee3ng b\u1ed9t talc t\u0103ng.<\/p>\n \u2463 C\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite: B\u1ed9t v\u00f4 c\u01a1 c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 v\u00e0 th\u00fac \u0111\u1ea9y c\u00e1c ch\u1ea5t ph\u00e2n t\u00edch \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau, t\u1eeb \u0111\u00f3 l\u00e0m gi\u1ea3m m\u1ee9c \u0111\u1ed9 ph\u00e2n h\u1ee7y nhi\u1ec7t. Ngo\u00e0i ra, ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 c\u0169ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u composite.<\/p>\n \u0110\u1eb7c t\u00ednh s\u1eeda \u0111\u1ed5i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u1ea5t \u0111\u1ed9n<\/p>\n S\u1edf d\u0129 g\u1ecdi l\u00e0 \u0111\u1eb7c t\u00ednh bi\u1ebfn \u0111\u1ed5i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u1ea5t \u0111\u1ed9n l\u00e0 v\u00ec m\u1ed9t s\u1ed1 ch\u1ea5t \u0111\u1ed9n c\u00f3 v\u00e0 m\u1ed9t s\u1ed1 kh\u00f4ng c\u00f3 nh\u1eefng ch\u1ee9c n\u0103ng bi\u1ebfn \u0111\u1ed5i n\u00e0y. C\u00f9ng m\u1ed9t ch\u1ea5t \u0111\u1ed9n c\u00f3 th\u1ec3 c\u00f3 ho\u1eb7c kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng s\u1eeda \u0111\u1ed5i trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau.<\/p>\n \u2460 C\u1ea3i thi\u1ec7n \u0111\u1eb7c t\u00ednh k\u00e9o v\u00e0 va \u0111\u1eadp c\u1ee7a v\u1eadt li\u1ec7u composite: B\u1ed9t v\u00f4 c\u01a1 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u1ea3i thi\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1eb7c t\u00ednh k\u00e9o v\u00e0 va \u0111\u1eadp c\u1ee7a v\u1eadt li\u1ec7u composite. N\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n khi \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1eb7c bi\u1ec7t v\u00e0 m\u1ee9c \u0111\u1ed9 c\u1ea3i thi\u1ec7n kh\u00f4ng l\u1edbn. Sau khi ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 m\u1ecbn nh\u1ea5t \u0111\u1ecbnh, \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp c\u1ee7a v\u1eadt li\u1ec7u composite c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n n\u1ebfu b\u1ec1 m\u1eb7t ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c ph\u1ee7 t\u1ed1t v\u00e0 ch\u1ea5t t\u01b0\u01a1ng th\u00edch \u0111\u01b0\u1ee3c th\u00eam v\u00e0o h\u1ec7 th\u1ed1ng composite.<\/p>\n \u2461 C\u1ea3i thi\u1ec7n t\u00ednh l\u01b0u \u0111\u1ed9ng c\u1ee7a v\u1eadt li\u1ec7u composite: H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i b\u1ed9t v\u00f4 c\u01a1 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh l\u01b0u \u0111\u1ed9ng c\u1ee7a v\u1eadt li\u1ec7u composite, nh\u01b0ng b\u1ed9t talc l\u00e0m gi\u1ea3m t\u00ednh l\u01b0u \u0111\u1ed9ng c\u1ee7a v\u1eadt li\u1ec7u composite.<\/p>\n \u2462 C\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t quang h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u composite: B\u1ed9t v\u00f4 c\u01a1 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 che ph\u1ee7, l\u00e0m m\u1edd v\u00e0 \u0111\u1ed9 lo\u1ea1n th\u1ecb c\u1ee7a v\u1eadt li\u1ec7u composite. V\u00ed d\u1ee5, titan dioxide l\u00e0 m\u1ed9t ch\u1ea5t m\u00e0u v\u00f4 c\u01a1 \u0111i\u1ec3n h\u00ecnh c\u00f3 kh\u1ea3 n\u0103ng che ph\u1ee7 m\u1ea1nh m\u1ebd.<\/p>\n \u2463C\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u1ed1t ch\u00e1y th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u1ee7a v\u1eadt li\u1ec7u composite: Th\u1ee9 nh\u1ea5t, v\u1eadt li\u1ec7u b\u1ed9t v\u00f4 c\u01a1 c\u00f3 th\u1ec3 l\u00e0m cho v\u1eadt li\u1ec7u composite ch\u00e1y k\u1ef9 v\u00ec c\u00e1c v\u1ebft n\u1ee9t s\u1ebd x\u1ea3y ra trong qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 l\u00e0m t\u0103ng di\u1ec7n t\u00edch ti\u1ebfp x\u00fac v\u1edbi oxy; th\u1ee9 hai, v\u1eadt li\u1ec7u b\u1ed9t v\u00f4 c\u01a1 c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 m\u1ed9t s\u1ed1 kh\u00ed \u0111\u1ed9c khi v\u1eadt li\u1ec7u composite ch\u00e1y, Gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i; th\u1ee9 ba, b\u1ed9t v\u00f4 c\u01a1 c\u1ea3i thi\u1ec7n t\u00ednh d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite, gi\u00fap qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y nhanh h\u01a1n v\u00e0 r\u00fat ng\u1eafn th\u1eddi gian \u0111\u1ed1t ch\u00e1y.<\/p>\n \u2464 Th\u00fac \u0111\u1ea9y kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a v\u1eadt li\u1ec7u composite: Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i b\u1ed9t v\u00f4 c\u01a1 \u0111\u1ec1u c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng ch\u00e1y. Ch\u1ec9 c\u00e1c lo\u1ea1i b\u1ed9t v\u00f4 c\u01a1 c\u00f3 ch\u1ee9a nguy\u00ean t\u1ed1 silicon<\/a> m\u1edbi c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t hi\u1ec7p \u0111\u1ed3ng ch\u1ed1ng ch\u00e1y. L\u00fd do c\u1ee5 th\u1ec3 l\u00e0 khi \u0111\u1ed1t ch\u00e1y v\u1eadt li\u1ec7u ch\u1ee9a silicon<\/a>, m\u1ed9t l\u1edbp r\u00e0o c\u1ea3n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u \u0111\u1ed1t \u0111\u1ec3 gi\u1ea3m kh\u1ea3 n\u0103ng oxy ti\u1ebfp x\u00fac v\u1edbi b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u.<\/p>\n \u2465 T\u1ed1i \u01b0u h\u00f3a c\u00e1c t\u00ednh ch\u1ea5t kh\u00e1c c\u1ee7a v\u1eadt li\u1ec7u composite: ch\u1ee9c n\u0103ng t\u1ea1o m\u1ea7m. Khi k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t talc nh\u1ecf h\u01a1n 1 \u03bcm, n\u00f3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t t\u00e1c nh\u00e2n t\u1ea1o m\u1ea7m v\u00f4 c\u01a1 trong PP. \u0110\u1ec3 ch\u1eb7n tia h\u1ed3ng ngo\u1ea1i, c\u00e1c lo\u1ea1i b\u1ed9t v\u00f4 c\u01a1 ch\u1ee9a silicon<\/a> nh\u01b0 talc, cao lanh, mica \u0111\u1ec1u c\u00f3 \u0111\u1eb7c t\u00ednh ch\u1eb7n tia h\u1ed3ng ngo\u1ea1i v\u00e0 tia c\u1ef1c t\u00edm t\u1ed1t.<\/p>\n","protected":false},"excerpt":{"rendered":" S\u1edf d\u0129 g\u1ecdi l\u00e0 \u0111\u1eb7c t\u00ednh bi\u1ebfn \u0111\u1ed5i \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u1ea5t \u0111\u1ed9n l\u00e0 v\u00ec m\u1ed9t s\u1ed1 ch\u1ea5t \u0111\u1ed9n c\u00f3 v\u00e0 m\u1ed9t s\u1ed1 kh\u00f4ng c\u00f3 nh\u1eefng ch\u1ee9c n\u0103ng bi\u1ebfn \u0111\u1ed5i n\u00e0y. C\u00f9ng m\u1ed9t ch\u1ea5t \u0111\u1ed9n c\u00f3 th\u1ec3 c\u00f3 ho\u1eb7c kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng s\u1eeda \u0111\u1ed5i trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u00e1c nhau.<\/p>\n","protected":false},"author":7,"featured_media":129386,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-129425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/129425"}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=129425"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/129425\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/129386"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=129425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=129425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=129425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}