{"id":127367,"date":"2023-06-05T10:42:28","date_gmt":"2023-06-05T02:42:28","guid":{"rendered":"https:\/\/www.alpapowder.com\/127367\/"},"modified":"2023-06-05T10:42:30","modified_gmt":"2023-06-05T02:42:30","slug":"4-linh-vuc-ung-dung-chinh-cua-bot-silica","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/127367\/","title":{"rendered":"4 l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a b\u1ed9t silica"},"content":{"rendered":"

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Do \u01b0u \u0111i\u1ec3m ch\u1ed1ng \u0103n m\u00f2n axit v\u00e0 ki\u1ec1m, ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh th\u1ea5p v\u00e0 t\u00ednh d\u1eabn nhi\u1ec7t cao, b\u1ed9t microsilica \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u1edbp ph\u1ee7 \u0111\u1ed3ng, h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m li\u00ean quan.<\/p>\n

1. T\u1ea5m ph\u1ee7 \u0111\u1ed3ng<\/p>\n

Vi\u1ec7c th\u00eam micropowder silicon<\/a> v\u00e0o l\u1edbp ph\u1ee7 \u0111\u1ed3ng 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 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a b\u1ea3ng m\u1ea1ch in, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng t\u1ea3n nhi\u1ec7t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed.<\/p>\n

Hi\u1ec7n t\u1ea1i, c\u00f3 n\u0103m lo\u1ea1i b\u1ed9t silic \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u1edbp m\u1ea1 \u0111\u1ed3ng: b\u1ed9t silic tinh th\u1ec3, b\u1ed9t silic n\u00f3ng ch\u1ea3y (v\u00f4 \u0111\u1ecbnh h\u00ecnh), b\u1ed9t silic h\u00ecnh c\u1ea7u, b\u1ed9t silic t\u1ed5ng h\u1ee3p v\u00e0 b\u1ed9t silic ho\u1ea1t t\u00ednh.<\/p>\n

B\u1ed9t microsilica h\u00ecnh c\u1ea7u ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c t\u1ea5m ph\u1ee7 \u0111\u1ed3ng c\u00f3 hi\u1ec7u su\u1ea5t cao, \u0111\u1ed9 tin c\u1eady cao do c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o c\u1ee7a n\u00f3 l\u00e0 \u0111\u1ed9 \u0111\u1ea7y cao, t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t v\u00e0 t\u00ednh ch\u1ea5t \u0111i\u1ec7n m\u00f4i tuy\u1ec7t v\u1eddi. C\u00e1c ch\u1ec9 s\u1ed1 ch\u00ednh c\u1ee7a b\u1ed9t silica<\/a> h\u00ecnh c\u1ea7u cho c\u00e1c l\u1edbp m\u1ea1 \u0111\u1ed3ng l\u00e0: ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t, \u0111\u1ed9 c\u1ea7u, \u0111\u1ed9 tinh khi\u1ebft (\u0111\u1ed9 d\u1eabn \u0111i\u1ec7n, ch\u1ea5t t\u1eeb t\u00ednh v\u00e0 \u0111\u1ed1m \u0111en). Hi\u1ec7n nay, micropowder silicon<\/a> h\u00ecnh c\u1ea7u ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u1edbp ph\u1ee7 \u0111\u1ed3ng c\u1ee9ng, v\u00e0 t\u1ef7 l\u1ec7 \u0111\u00fac h\u1ed7n h\u1ee3p trong c\u00e1c l\u1edbp ph\u1ee7 \u0111\u1ed3ng th\u01b0\u1eddng l\u00e0 20% \u0111\u1ebfn 30%; vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c t\u1ea5m m\u1ecfng m\u1ea1 \u0111\u1ed3ng linh ho\u1ea1t v\u00e0 c\u00e1c t\u1ea5m m\u1ecfng m\u1ea1 \u0111\u1ed3ng tr\u00ean gi\u1ea5y l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf.<\/p>\n

2. H\u1ee3p ch\u1ea5t \u0111\u00fac Epoxy<\/p>\n

\u0110\u1ed5 \u0111\u1ea7y b\u1ed9t silicon<\/a> v\u00e0o h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 c\u1ee9ng c\u1ee7a nh\u1ef1a epoxy, t\u0103ng t\u00ednh d\u1eabn nhi\u1ec7t, gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111\u1ea1i t\u1ecfa nhi\u1ec7t c\u1ee7a ph\u1ea3n \u1ee9ng nh\u1ef1a epoxy \u0111\u01b0\u1ee3c x\u1eed l\u00fd, gi\u1ea3m h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh v\u00e0 t\u1ed1c \u0111\u1ed9 co ng\u00f3t, gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong v\u00e0 c\u1ea3i thi\u1ec7n \u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t c\u1ee7a h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy, do \u0111\u00f3 ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 kh\u00ed \u0111\u1ed9c h\u1ea1i b\u00ean ngo\u00e0i, \u0111\u1ed9 \u1ea9m v\u00e0 b\u1ee5i x\u00e2m nh\u1eadp v\u00e0o c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed ho\u1eb7c m\u1ea1ch t\u00edch h\u1ee3p, l\u00e0m ch\u1eadm rung \u0111\u1ed9ng, ng\u0103n ng\u1eeba thi\u1ec7t h\u1ea1i do ngo\u1ea1i l\u1ef1c v\u00e0 \u1ed5n \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a linh ki\u1ec7n.<\/p>\n

C\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy th\u00f4ng th\u01b0\u1eddng ch\u1ee7 y\u1ebfu bao g\u1ed3m 60-90% ch\u1ea5t \u0111\u1ed9n, \u00edt h\u01a1n 18% nh\u1ef1a epoxy, \u00edt h\u01a1n 9% ch\u1ea5t \u0111\u00f3ng r\u1eafn v\u00e0 kho\u1ea3ng 3% ch\u1ea5t ph\u1ee5 gia. C\u00e1c ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7n nay v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 b\u1ed9t microsilica, v\u1edbi h\u00e0m l\u01b0\u1ee3ng l\u00ean t\u1edbi 90,5%. B\u1ed9t silica<\/a> cho h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o c\u00e1c ch\u1ec9 s\u1ed1 sau:<\/p>\n

(1) Thanh t\u1ecbnh. \u0110\u1ed9 tinh khi\u1ebft cao l\u00e0 y\u00eau c\u1ea7u c\u01a1 b\u1ea3n nh\u1ea5t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n t\u1eed \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u v\u00e0 c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t h\u01a1n trong VLSI. Ngo\u00e0i h\u00e0m l\u01b0\u1ee3ng c\u00e1c nguy\u00ean t\u1ed1 t\u1ea1p ch\u1ea5t th\u00f4ng th\u01b0\u1eddng th\u1ea5p, ng\u01b0\u1eddi ta c\u00f2n y\u00eau c\u1ea7u h\u00e0m l\u01b0\u1ee3ng c\u00e1c nguy\u00ean t\u1ed1 ph\u00f3ng x\u1ea1 ph\u1ea3i c\u00e0ng th\u1ea5p c\u00e0ng t\u1ed1t hay kh\u00f4ng. V\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t, ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed ng\u00e0y c\u00e0ng c\u00f3 nh\u1eefng y\u00eau c\u1ea7u cao h\u01a1n v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a micropowder silicon<\/a>.<\/p>\n

(2) K\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a h\u1ea1t. V\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i VLSI y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc h\u1ea1t b\u1ed9t silicon<\/a> m\u1ecbn, ph\u1ea1m vi ph\u00e2n ph\u1ed1i h\u1eb9p v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u t\u1ed1t.<\/p>\n

(3) T\u1ef7 l\u1ec7 h\u00ecnh c\u1ea7u h\u00f3a. T\u1ef7 l\u1ec7 h\u00ecnh c\u1ea7u h\u00f3a cao l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t \u0111\u1ed9n c\u00f3 t\u00ednh l\u01b0u \u0111\u1ed9ng cao v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n cao. T\u1ef7 l\u1ec7 h\u00ecnh c\u1ea7u h\u00f3a cao v\u00e0 t\u00ednh h\u00ecnh c\u1ea7u t\u1ed1t c\u1ee7a micropowder silicon<\/a> c\u00f3 t\u00ednh l\u01b0u \u0111\u1ed9ng v\u00e0 hi\u1ec7u su\u1ea5t ph\u00e2n t\u00e1n t\u1ed1t h\u01a1n, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n \u0111\u1ea7y \u0111\u1ee7 h\u01a1n trong c\u00e1c h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 l\u00e0m \u0111\u1ea7y t\u1ed1t nh\u1ea5t.<\/p>\n

3. V\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n<\/p>\n

B\u1ed9t microsilica \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i c\u00e1ch \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a epoxy cho c\u00e1c s\u1ea3n ph\u1ea9m c\u00e1ch \u0111i\u1ec7n, c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 t\u1ed1c \u0111\u1ed9 co ng\u00f3t trong qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng, gi\u1ea3m \u1ee9ng su\u1ea5t b\u00ean trong v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n. t\u00ednh ch\u1ea5t c\u01a1 v\u00e0 \u0111i\u1ec7n.<\/p>\n

4. Ch\u1ea5t k\u1ebft d\u00ednh<\/p>\n

L\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n ch\u1ee9c n\u0103ng v\u00f4 c\u01a1, b\u1ed9t silica<\/a> c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh c\u1ee7a s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 t\u1ed1c \u0111\u1ed9 co ng\u00f3t trong qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng khi \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o nh\u1ef1a k\u1ebft d\u00ednh, c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, t\u00ednh th\u1ea5m v\u00e0 hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t, do \u0111\u00f3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 nh\u1edbt. Knot v\u00e0 hi\u1ec7u \u1ee9ng con d\u1ea5u.<\/p>\n

S\u1ef1 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t microsilica s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 nh\u1edbt v\u00e0 \u0111\u1ed9 l\u1eafng c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh, do \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh sau khi \u0111\u00f3ng r\u1eafn. Do \u0111\u00f3, l\u0129nh v\u1ef1c ch\u1ea5t k\u1ebft d\u00ednh ch\u00fa \u00fd \u0111\u1ebfn ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9t microsilica trong vi\u1ec7c gi\u1ea3m h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. C\u00e1c y\u00eau c\u1ea7u v\u1ec1 ngo\u1ea1i h\u00ecnh v\u00e0 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t t\u01b0\u01a1ng \u0111\u1ed1i cao v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh t\u1eeb 0,1 micron \u0111\u1ebfn 30 micron th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p.<\/p>\n","protected":false},"excerpt":{"rendered":"

b\u1ed9t microsilica \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u1edbp ph\u1ee7 \u0111\u1ed3ng, h\u1ee3p ch\u1ea5t \u0111\u00fac epoxy v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m li\u00ean quan.<\/p>\n","protected":false},"author":7,"featured_media":127329,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-127367","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\/127367","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=127367"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/127367\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/127329"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=127367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=127367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=127367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}