{"id":127032,"date":"2023-04-28T13:37:05","date_gmt":"2023-04-28T05:37:05","guid":{"rendered":"https:\/\/www.alpapowder.com\/127032\/"},"modified":"2023-04-28T13:37:07","modified_gmt":"2023-04-28T05:37:07","slug":"su-khac-biet-giua-bot-silica-ket-tinh-nhiet-hach-va-hinh-cau","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/127032\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9t silica k\u1ebft tinh, nhi\u1ec7t h\u1ea1ch v\u00e0 h\u00ecnh c\u1ea7u"},"content":{"rendered":"

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Theo c\u00e1c ti\u00eau chu\u1ea9n ph\u00e2n lo\u1ea1i kh\u00e1c nhau, b\u1ed9t silicon \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c lo\u1ea1i kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed9t silicon th\u00f4ng th\u01b0\u1eddng, b\u1ed9t silicon c\u1ea5p \u0111i\u1ec7n, b\u1ed9t silicon c\u1ea5p \u0111i\u1ec7n t\u1eed, b\u1ed9t silicon c\u1ea5p b\u00e1n d\u1eabn, v.v. theo c\u00f4ng d\u1ee5ng v\u00e0 \u0111\u1ed9 tinh khi\u1ebft, c\u00f3 th\u1ec3 chia th\u00e0nh tinh th\u1ec3 b\u1ed9t silic theo \u0111\u1eb7c t\u00ednh k\u1ebft tinh. Micropowder, b\u1ed9t silica<\/a> nung ch\u1ea3y, v.v.; theo h\u00ecnh d\u1ea1ng h\u1ea1t, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh b\u1ed9t silica g\u00f3c, b\u1ed9t silica h\u00ecnh c\u1ea7u, v.v.<\/p>\n

Hi\u1ec7n nay, ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng \u00e1p d\u1ee5ng hai ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n lo\u1ea1i l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m k\u1ebft tinh v\u00e0 h\u00ecnh d\u1ea1ng h\u1ea1t \u0111\u1ec3 ph\u00e2n lo\u1ea1i c\u00e1c s\u1ea3n ph\u1ea9m li\u00ean quan. B\u1ed9t silica<\/a> g\u00f3c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: b\u1ed9t silica k\u1ebft tinh v\u00e0 b\u1ed9t silica nung ch\u1ea3y, trong khi b\u1ed9t silica h\u00ecnh c\u1ea7u \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf th\u00eam tr\u00ean c\u01a1 s\u1edf b\u1ed9t silica g\u00f3c.<\/p>\n

1. B\u1ed9t silica<\/a> tinh th\u1ec3: quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n v\u00e0 chi ph\u00ed th\u1ea5p<\/p>\n

Nguy\u00ean li\u1ec7u ch\u00ednh c\u1ee7a b\u1ed9t silic k\u1ebft tinh l\u00e0 qu\u1eb7ng th\u1ea1ch anh ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc, l\u00e0 nguy\u00ean li\u1ec7u b\u1ed9t silic \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u00f4ng qua qu\u00e1 tr\u00ecnh nghi\u1ec1n, ph\u00e2n lo\u1ea1i ch\u00ednh x\u00e1c v\u00e0 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd nh\u01b0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh v\u00e0 t\u00ednh ch\u1ea5t \u0111i\u1ec7n c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m h\u1ea1 ngu\u1ed3n nh\u01b0 nh\u01b0 \u0111\u1ed3ng d\u00e1t m\u1ecfng. .<\/p>\n

\u01afu \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 b\u1eaft \u0111\u1ea7u s\u1edbm, quy tr\u00ecnh ho\u00e0n thi\u1ec7n v\u00e0 \u0111\u01a1n gi\u1ea3n, y\u00eau c\u1ea7u th\u1ea5p \u0111\u1ed1i v\u1edbi ph\u1ea7n c\u1ee9ng s\u1ea3n xu\u1ea5t v\u00e0 gi\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i r\u1ebb, \u0111\u1ed3ng th\u1eddi c\u00f3 t\u00e1c d\u1ee5ng l\u1edbn trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c t\u1ea5m ph\u1ee7 \u0111\u1ed3ng v\u1ec1 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u01b0\u1edbc. Nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh l\u00e0 kh\u1ea3 n\u0103ng c\u1ea3i thi\u1ec7n h\u1ec7 th\u1ed1ng nh\u1ef1a kh\u00f4ng t\u1ed1t b\u1eb1ng b\u1ed9t silica<\/a> h\u00ecnh c\u1ea7u. Hi\u1ec7u su\u1ea5t c\u1ee5 th\u1ec3 l\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n, kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1eafng \u0111\u1ecdng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp th\u1ea5p h\u01a1n so v\u1edbi b\u1ed9t silica<\/a> h\u00ecnh c\u1ea7u v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t cao h\u01a1n so v\u1edbi b\u1ed9t silica h\u00ecnh c\u1ea7u.<\/p>\n

2. B\u1ed9t silica<\/a> n\u00f3ng ch\u1ea3y: hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n, chi ph\u00ed trung b\u00ecnh<\/p>\n

Nguy\u00ean li\u1ec7u ch\u00ednh c\u1ee7a b\u1ed9t silica<\/a> nung ch\u1ea3y l\u00e0 th\u1ea1ch anh ch\u1ecdn l\u1ecdc c\u00f3 c\u1ea5u tr\u00fac tinh th\u1ec3 ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u01b0\u1ee3c tinh ch\u1ebf b\u1eb1ng c\u00e1ch l\u1ecdc axit, r\u1eeda n\u01b0\u1edbc, s\u1ea5y kh\u00f4 b\u1eb1ng kh\u00f4ng kh\u00ed, n\u1ea5u ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 cao, nghi\u1ec1n, ph\u00e2n lo\u1ea1i th\u1ee7 c\u00f4ng, t\u00e1ch t\u1eeb t\u00ednh, nghi\u1ec1n si\u00eau m\u1ecbn, ph\u00e2n lo\u1ea1i v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh kh\u00e1c. Micronized.<\/p>\n

So v\u1edbi b\u1ed9t silica<\/a> k\u1ebft tinh, b\u1ed9t silica nung ch\u1ea3y c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 m\u1eadt \u0111\u1ed9, \u0111\u1ed9 c\u1ee9ng, h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p h\u01a1n. V\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c, nh\u01b0\u1ee3c \u0111i\u1ec3m ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y cao trong qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb, quy tr\u00ecnh ph\u1ee9c t\u1ea1p, m\u1eb7c d\u00f9 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n so v\u1edbi vi b\u1ed9t silic tinh th\u1ec3, nh\u01b0ng n\u00f3 v\u1eabn cao h\u01a1n v\u00e0 chi ph\u00ed s\u1ea3n xu\u1ea5t cao h\u01a1n so v\u1edbi vi b\u1ed9t silic tinh th\u1ec3.<\/p>\n

3. B\u1ed9t silica<\/a> h\u00ecnh c\u1ea7u: hi\u1ec7u su\u1ea5t t\u1ed1t, gi\u00e1 th\u00e0nh cao<\/p>\n

Vi b\u1ed9t silicon<\/a> h\u00ecnh c\u1ea7u c\u00f3 ngh\u0129a l\u00e0 c\u00e1c h\u1ea1t ri\u00eang l\u1ebb c\u00f3 d\u1ea1ng h\u00ecnh c\u1ea7u, m\u1ed9t lo\u1ea1i h\u1ea1t h\u00ecnh c\u1ea7u tr\u01a1, c\u00f3 \u0111\u1ed9 b\u1ec1n cao, \u0111\u1ed9 c\u1ee9ng cao, c\u00f3 h\u00ecnh d\u1ea1ng kh\u00f4ng \u0111\u1ec1u v\u00e0 c\u00e1c h\u1ea1t vi b\u1ed9t silicon g\u00f3c \u0111\u01b0\u1ee3c ch\u1ecdn l\u1ecdc ngay l\u1eadp t\u1ee9c \u0111\u01b0\u1ee3c n\u1ea5u ch\u1ea3y \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 l\u00e0m cho ch\u00fang h\u00ecnh c\u1ea7u h\u00f3a d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t, sau \u0111\u00f3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng c\u00e1ch l\u00e0m m\u00e1t, ph\u00e2n lo\u1ea1i, tr\u1ed9n v\u00e0 c\u00e1c quy tr\u00ecnh kh\u00e1c c\u1ee7a b\u1ed9t silic. B\u1ed9t microsilica h\u00ecnh c\u1ea7u c\u00f3 t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t v\u00e0 l\u01b0\u1ee3ng ch\u1ea5t l\u00e0m \u0111\u1ea7y cao trong nh\u1ef1a. Sau khi \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o th\u00e0nh t\u1ea5m, \u1ee9ng su\u1ea5t b\u00ean trong th\u1ea5p, k\u00edch th\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh, h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t th\u1ea5p, m\u1eadt \u0111\u1ed9 kh\u1ed1i cao h\u01a1n v\u00e0 ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n. Do \u0111\u00f3, n\u00f3 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng ch\u1ea5t \u0111\u1ed9n. l\u1ecfng v\u00e0 gi\u1ea3m \u0111\u1ed9 nh\u1edbt.<\/p>\n

Ngo\u00e0i ra, b\u1ed9t silica<\/a> h\u00ecnh c\u1ea7u c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn h\u01a1n b\u1ed9t silica g\u00f3c, c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00fac l\u1edbp ph\u1ee7 \u0111\u1ed3ng v\u00e0 epoxy, c\u1ea3i thi\u1ec7n \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed v\u00e0 gi\u1ea3m t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn thi\u1ebft b\u1ecb trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m li\u00ean quan. v\u00e0 m\u00f2n khu\u00f4n. Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 ch\u1ee7 y\u1ebfu l\u00e0 qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb ph\u1ee9c t\u1ea1p v\u00e0 chi ph\u00ed cao.<\/p>\n

Ba lo\u1ea1i b\u1ed9t microsilica c\u00f3 c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau do c\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c nhau c\u1ee7a ch\u00fang. N\u00f3i chung, c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng \u0111ang d\u1ea7n tr\u1edf n\u00ean cao c\u1ea5p theo th\u1ee9 t\u1ef1 b\u1ed9t silic tinh th\u1ec3, b\u1ed9t silic nung ch\u1ea3y v\u00e0 b\u1ed9t silic h\u00ecnh c\u1ea7u. B\u1ed9t silica<\/a> tinh th\u1ec3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5p \u0111i\u1ec7n, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1n m\u1ecfng m\u1ea1 \u0111\u1ed3ng cho thi\u1ebft b\u1ecb gia d\u1ee5ng, c\u00f4ng t\u1eafc, b\u1ea3ng n\u1ed1i d\u00e2y, b\u1ed9 s\u1ea1c, v.v.; b\u1ed9t silica nung ch\u1ea3y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5p \u0111i\u1ec7n t\u1eed, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u1edbp ph\u1ee7 \u0111\u1ed3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng v\u00e0 \u00f4 t\u00f4. C\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy, ch\u1ea5t k\u1ebft d\u00ednh, v.v. \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong bao b\u00ec chip; b\u1ed9t silica<\/a> h\u00ecnh c\u1ea7u ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy cho chip cao c\u1ea5p v\u00e0 l\u00e0m ch\u1ea5t \u0111\u1ed9n cho c\u00e1c l\u1edbp ph\u1ee7 \u0111\u1ed3ng cho c\u00e1c m\u1ea1ch t\u1ea7n s\u1ed1 cao v\u00e0 t\u1ed1c \u0111\u1ed9 cao.<\/p>\n","protected":false},"excerpt":{"rendered":"

N\u00f3i chung, c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng \u0111ang d\u1ea7n tr\u1edf n\u00ean cao c\u1ea5p theo th\u1ee9 t\u1ef1 b\u1ed9t silic tinh th\u1ec3, b\u1ed9t silic nung ch\u1ea3y v\u00e0 b\u1ed9t silic h\u00ecnh c\u1ea7u.<\/p>\n","protected":false},"author":7,"featured_media":126994,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-127032","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\/127032","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=127032"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/127032\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/126994"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=127032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=127032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=127032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}