{"id":126027,"date":"2023-03-06T09:13:43","date_gmt":"2023-03-06T01:13:43","guid":{"rendered":"https:\/\/www.alpapowder.com\/126027\/"},"modified":"2023-03-06T09:13:44","modified_gmt":"2023-03-06T01:13:44","slug":"phuong-phap-sua-doi-be-mat-cua-bot-vi-mo-silicon","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/126027\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t vi m\u00f4 silicon"},"content":{"rendered":"

\"\"<\/p>\n

Trong qu\u00e1 tr\u00ecnh \u1ee9ng d\u1ee5ng, b\u1ed9t vi m\u00f4 silicon ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c ch\u1ea5t \u0111\u1ed9n ch\u1ee9c n\u0103ng v\u1edbi c\u00e1c polymer h\u1eefu c\u01a1, do \u0111\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a v\u1eadt li\u1ec7u composite. B\u1ea3n th\u00e2n b\u1ed9t vi m\u00f4 silicon<\/a> l\u00e0 m\u1ed9t ch\u1ea5t c\u1ee7a s\u1ef1 ph\u00e2n c\u1ef1c v\u00e0 \u01b0a n\u01b0\u1edbc. N\u00f3 kh\u00e1c v\u1edbi c\u00e1c thu\u1ed9c t\u00ednh giao di\u1ec7n c\u1ee7a ma tr\u1eadn ma tr\u1eadn c\u1ee7a polymer polymer v\u00e0 t\u01b0\u01a1ng th\u00edch k\u00e9m. N\u00f3 th\u01b0\u1eddng r\u1ea5t kh\u00f3 \u0111\u1ec3 ph\u00e2n t\u00e1n trong v\u1eadt li\u1ec7u c\u01a1 s\u1edf. Do \u0111\u00f3, vi\u1ec7c s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t vi m\u00f4 silicon<\/a> th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u. T\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng, c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a b\u1ec1 m\u1eb7t silicon<\/a> micr -powder \u0111\u01b0\u1ee3c thay \u0111\u1ed5i, do \u0111\u00f3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u polymer h\u1eefu c\u01a1 c\u1ee7a n\u00f3 v\u00e0 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ph\u00e2n c\u1ea5p v\u00e0 thanh kho\u1ea3n c\u1ee7a v\u1eadt li\u1ec7u polymer.<\/p>\n

Ch\u1ea5t l\u01b0\u1ee3ng th\u00e0nh ph\u1ea7n micro -powder silicon<\/a>, quy tr\u00ecnh s\u1eeda \u0111\u1ed5i, ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t v\u00e0 t\u00e1c nh\u00e2n s\u1eeda \u0111\u1ed5i, li\u1ec1u l\u01b0\u1ee3ng s\u1eeda \u0111\u1ed5i, \u0111i\u1ec1u ki\u1ec7n quy tr\u00ecnh s\u1eeda \u0111\u1ed5i (nhi\u1ec7t \u0111\u1ed9 s\u1eeda \u0111\u1ed5i, th\u1eddi gian, pH v\u00e0 t\u1ed1c \u0111\u1ed9 tr\u1ed9n) v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u \u1ee9ng bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a b\u1ec1 m\u1eb7t microfanten silicon. Ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t v\u00e0 c\u00f4ng c\u1ee5 s\u1eeda \u0111\u1ed5i l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i.<\/p>\n

1. Ch\u1ea5t l\u01b0\u1ee3ng nguy\u00ean li\u1ec7u th\u00f4 c\u1ee7a microfin silicon<\/a><\/p>\n

C\u00e1c lo\u1ea1i, k\u00edch th\u01b0\u1edbc h\u1ea1t, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t v\u00e0 nh\u00f3m b\u1ed9t silicon<\/a> \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t c\u1ee7a n\u00f3. C\u00e1c lo\u1ea1i kh\u00e1c nhau c\u1ee7a c\u00e1c hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i micro -powder silicon<\/a> c\u0169ng kh\u00e1c nhau. Trong s\u1ed1 \u0111\u00f3, b\u1ed9t vi m\u00f4 silicon<\/a> h\u00ecnh c\u1ea7u c\u00f3 thanh kho\u1ea3n t\u1ed1t. Th\u1eadt d\u1ec5 d\u00e0ng \u0111\u1ec3 k\u1ebft h\u1ee3p v\u1edbi c\u00f4ng c\u1ee5 s\u1eeda \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i. V\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u1eadt \u0111\u1ed9, \u0111\u1ed9 c\u1ee9ng v\u00e0 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i t\u1ed1t h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c vi sinh v\u1eadt silicon<\/a> g\u00f3c.<\/p>\n

N\u00f3i chung, k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a microfanten silicon<\/a> c\u00e0ng nh\u1ecf, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u00e0ng l\u1edbn, s\u1ed1 l\u01b0\u1ee3ng c\u00e1c v\u1ecb tr\u00ed ho\u1ea1t \u0111\u1ed9ng tr\u00ean b\u1ec1 m\u1eb7t c\u00e0ng nhi\u1ec1u v\u00e0 s\u1ef1 gia t\u0103ng s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a c\u00f4ng c\u1ee5 s\u1eeda \u0111\u1ed5i. Ngo\u00e0i ra, trong qu\u00e1 tr\u00ecnh \u00e1p d\u1ee5ng c\u00e1c vi sinh v\u1eadt silicon<\/a> c\u00f3 \u0111\u1ed9 chi ti\u1ebft kh\u00e1c nhau, n\u00f3 c\u0169ng c\u00f3 t\u00e1c \u0111\u1ed9ng nh\u1ea5t \u0111\u1ecbnh \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m h\u1ea1 ngu\u1ed3n. V\u00ed d\u1ee5, trong qu\u00e1 tr\u00ecnh tr\u1ed9n v\u1edbi nh\u1ef1a tr\u1ed9n v\u1edbi nh\u1ef1a, ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t n\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t nghi\u00eam ng\u1eb7t. N\u00f3 kh\u00f4ng n\u00ean qu\u00e1 l\u1edbn ho\u1eb7c qu\u00e1 nh\u1ecf. K\u00edch th\u01b0\u1edbc c\u1ee7a k\u00edch th\u01b0\u1edbc l\u00e0 qu\u00e1 l\u1edbn. N\u01b0\u1edbc hoa<\/p>\n

2. Ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t v\u00e0 t\u00e1c nh\u00e2n s\u1eeda \u0111\u1ed5i<\/p>\n

Hi\u1ec7n t\u1ea1i, ph\u01b0\u01a1ng ph\u00e1p s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t vi m\u00f4 silicon<\/a> ch\u1ee7 y\u1ebfu l\u00e0 s\u1eeda \u0111\u1ed5i h\u1eefu c\u01a1, bi\u1ebfn \u0111\u1ed5i v\u00f4 c\u01a1 v\u00e0 s\u1eeda \u0111\u1ed5i h\u00f3a h\u1ecdc c\u01a1 h\u1ecdc. Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 s\u1eeda \u0111\u1ed5i h\u1eefu c\u01a1. Khi m\u1ed9t hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i duy nh\u1ea5t k\u00e9m<\/p>\n

(1) S\u1eeda \u0111\u1ed5i h\u1eefu c\u01a1
\nS\u1eeda \u0111\u1ed5i h\u1eefu c\u01a1 l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p h\u1ea5p ph\u1ee5 v\u1eadt l\u00fd, h\u1ea5p ph\u1ee5 h\u00f3a h\u1ecdc v\u00e0 c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc tr\u00ean b\u1ec1 m\u1eb7t vi ch\u1ea5t silicon<\/a> tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a micro -powder silicon \u0111\u1ec3 thay \u0111\u1ed5i t\u00ednh ch\u1ea5t b\u1ec1 m\u1eb7t c\u1ee7a microfan silicon. Hi\u1ec7n t\u1ea1i, t\u00e1c nh\u00e2n bi\u1ebfn \u0111\u1ed5i h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 t\u00e1c nh\u00e2n gh\u00e9p sibidine, ch\u1ee7 y\u1ebfu bao g\u1ed3m amino, epoxy, ethylene, l\u01b0u hu\u1ef3nh v\u00e0 c\u00e1c lo\u1ea1i kh\u00e1c. Hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i th\u01b0\u1eddng l\u00e0 t\u1ed1t, nh\u01b0ng gi\u00e1 c\u1ea3 \u0111\u1eaft ti\u1ec1n. M\u1ed9t s\u1ed1 nh\u00e0 nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng axit aluminate, titanate v\u00e0 ch\u1ea5t b\u00e9o c\u1ee9ng \u0111\u1ec3 t\u1ea1o ra vi khu\u1ea9n silicon<\/a> v\u1edbi gi\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p, nh\u01b0ng hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i th\u01b0\u1eddng kh\u00f4ng t\u1ed1t nh\u01b0 t\u00e1c nh\u00e2n gh\u00e9p silicane. Hai ho\u1eb7c nhi\u1ec1u ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi vi khu\u1ea9n silicon<\/a> v\u00e0 hi\u1ec7u \u1ee9ng bi\u1ebfn \u0111\u1ed5i th\u01b0\u1eddng l\u00fd t\u01b0\u1edfng h\u01a1n so v\u1edbi m\u1ed9t c\u00f4ng c\u1ee5 s\u1eeda \u0111\u1ed5i.<\/p>\n

(2) S\u1eeda \u0111\u1ed5i v\u00f4 c\u01a1
\nS\u1eeda \u0111\u1ed5i v\u00f4 c\u01a1 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t ch\u1ee9c n\u0103ng m\u1edbi c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ec3 cung c\u1ea5p v\u1eadt li\u1ec7u tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a microfimy silicon<\/a> ho\u1eb7c kim lo\u1ea1i composite, oxit v\u00f4 c\u01a1, hydroxit, v.v. SiO2<\/a>, v\u00e0 sau \u0111\u00f3 s\u1eed d\u1ee5ng SiO2<\/a> sau khi g\u00f3i phenylphenylen d\u1ef1a tr\u00ean polyetylen, c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng m\u1ed9t s\u1ed1 nhu c\u1ea7u \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t.<\/p>\n

(3) S\u1eeda \u0111\u1ed5i h\u00f3a h\u1ecdc c\u01a1 h\u1ecdc
\nS\u1eeda \u0111\u1ed5i h\u00f3a h\u1ecdc c\u01a1 h\u1ecdc \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u1ea7u ti\u00ean c\u1ee7a ch\u1ea5t nghi\u1ec1n c\u1ef1c v\u00e0 s\u1ee9c m\u1ea1nh c\u01a1 h\u1ecdc m\u1ea1nh kh\u00e1c \u0111\u1ec3 k\u00edch ho\u1ea1t b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t b\u1ed9t \u0111\u1ec3 t\u0103ng \u0111i\u1ec3m ho\u1ea1t \u0111\u1ed9ng ho\u1eb7c nh\u00f3m ho\u1ea1t \u0111\u1ed9ng tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a microfan silicon<\/a>, sau \u0111\u00f3 k\u1ebft h\u1ee3p t\u00e1c nh\u00e2n \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c Vi\u1ec7c s\u1eeda \u0111\u1ed5i h\u1ee3p ch\u1ea5t c\u1ee7a microfan silicon.<\/p>\n","protected":false},"excerpt":{"rendered":"

Trong qu\u00e1 tr\u00ecnh \u1ee9ng d\u1ee5ng, b\u1ed9t vi m\u00f4 silicon ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c ch\u1ea5t \u0111\u1ed9n ch\u1ee9c n\u0103ng v\u1edbi c\u00e1c polymer h\u1eefu c\u01a1, do \u0111\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a v\u1eadt li\u1ec7u composite.<\/p>\n","protected":false},"author":7,"featured_media":125985,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-126027","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\/126027","targetHints":{"allow":["GET"]}}],"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=126027"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/126027\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/125985"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=126027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=126027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=126027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}