{"id":14766,"date":"2024-09-25T08:15:00","date_gmt":"2024-09-25T08:15:00","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=14766"},"modified":"2024-11-07T01:35:49","modified_gmt":"2024-11-07T01:35:49","slug":"top-10-application-areas-of-silicon-micro-powder","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/vi\/top-10-application-areas-of-silicon-micro-powder\/","title":{"rendered":"10 l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng h\u00e0ng \u0111\u1ea7u c\u1ee7a b\u1ed9t vi silicon"},"content":{"rendered":"

B\u1ed9t vi silicon l\u00e0 b\u1ed9t silica. N\u00f3 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb th\u1ea1ch anh tinh th\u1ec3, silica n\u00f3ng ch\u1ea3y v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m nghi\u1ec1n, ph\u00e2n lo\u1ea1i ch\u00ednh x\u00e1c, lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh kh\u00e1c. N\u00f3 c\u00f3 nhi\u1ec1u c\u00f4ng d\u1ee5ng. Bao g\u1ed3m c\u00e1c t\u1ea5m ph\u1ee7 \u0111\u1ed3ng, nh\u1ef1a epoxy v\u00e0 v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n. N\u00f3 c\u00f3 trong cao su, nh\u1ef1a, l\u1edbp ph\u1ee7, ch\u1ea5t k\u1ebft d\u00ednh, \u0111\u00e1 nh\u00e2n t\u1ea1o, g\u1ed1m t\u1ed5 ong v\u00e0 m\u1ef9 ph\u1ea9m.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

1. T\u1ea5m Laminate \u0110\u1ed3ng<\/strong><\/h2>\n\n\n\n

Hi\u1ec7n nay, b\u1ed9t silicon \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c t\u1ea5m ph\u1ee7 \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh b\u1ed9t silicon tinh th\u1ec3, b\u1ed9t silicon vi m\u00f4 n\u00f3ng ch\u1ea3y, b\u1ed9t silicon h\u00ecnh c\u1ea7u v\u00e0 b\u1ed9t silicon t\u1ed5ng h\u1ee3p. H\u00e0m l\u01b0\u1ee3ng nh\u1ef1a trong c\u00e1c t\u1ea5m ph\u1ee7 \u0111\u1ed3ng l\u00e0 kho\u1ea3ng 50% v\u00e0 t\u1ef7 l\u1ec7 l\u1ea5p \u0111\u1ea7y b\u1ed9t silicon \u0111i\u1ec3n h\u00ecnh trong nh\u1ef1a l\u00e0 kho\u1ea3ng 30%. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 t\u1ef7 l\u1ec7 tr\u1ecdng l\u01b0\u1ee3ng l\u00e0m \u0111\u1ea7y c\u1ee7a b\u1ed9t silicon si\u00eau nh\u1ecf trong c\u00e1c t\u1ea5m ph\u1ee7 \u0111\u1ed3ng l\u00e0 kho\u1ea3ng 15%.<\/strong><\/p>\n\n\n\n

L\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1, b\u1ed9t silicon t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, \u0111\u1ed9 c\u1ee9ng, h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t v\u00e0 \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a c\u00e1c t\u1ea5m \u00e9p \u0111\u1ed3ng, c\u1ea3i thi\u1ec7n \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. N\u00f3 c\u0169ng c\u00f3 \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n m\u00f4i t\u1ed1t. Ch\u00fang c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u trong thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. B\u1ed9t silicon tinh th\u1ec3 r\u1ebb h\u01a1n. V\u00ec v\u1eady, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 nhu c\u1ea7u th\u1ea5p. Bao g\u1ed3m m\u00e1y \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, t\u1ee7 l\u1ea1nh, m\u00e1y gi\u1eb7t v\u00e0 m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n. C\u00e1c t\u1ea5m \u00e9p \u0111\u1ed3ng cho \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh b\u1ea3ng, \u00f4 t\u00f4, truy\u1ec1n th\u00f4ng m\u1ea1ng v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p th\u01b0\u1eddng s\u1eed d\u1ee5ng b\u1ed9t micro silica n\u00f3ng ch\u1ea3y do c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u1ec1 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i v\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh. \u0110\u1ed1i v\u1edbi c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng nh\u01b0 si\u00eau m\u00e1y t\u00ednh v\u00e0 5G, ch\u00fang ta c\u1ea7n b\u1ed9t micro silicon h\u00ecnh c\u1ea7u c\u00f3 \u0111i\u1ec7n m\u00f4i th\u1ea5p, t\u1ed5n th\u1ea5t th\u1ea5p. Ch\u00fang c\u00f3 t\u1ea7n s\u1ed1 cao v\u00e0 t\u1ed1c \u0111\u1ed9 cao. \u0110\u00e2y l\u00e0 ch\u1ea5t \u0111\u1ed9n ch\u00ednh. N\u00f3 ph\u1ea3i c\u00f3 \u00edt t\u1ea1p ch\u1ea5t v\u00e0 t\u1ef7 l\u1ec7 l\u1ea5p \u0111\u1ea7y cao.<\/p>\n\n\n\n

2. V\u1eadt li\u1ec7u ni\u00eam phong nh\u1ef1a Epoxy<\/strong><\/h2>\n\n\n\n

B\u1ed9t vi silicon l\u00e0 ch\u1ea5t \u0111\u1ed9n quan tr\u1ecdng trong ch\u1ea5t tr\u00e1m epoxy (EMC), chi\u1ebfm kho\u1ea3ng 60%\u201390% trong th\u00e0nh ph\u1ea7n. Vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a ch\u1ea5t tr\u00e1m epoxy ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9t silicon, do \u0111\u00f3 \u0111\u1eb7t ra c\u00e1c y\u00eau c\u1ea7u cao h\u01a1n v\u1ec1 k\u00edch th\u01b0\u1edbc h\u1ea1t, \u0111\u1ed9 tinh khi\u1ebft v\u00e0 t\u00ednh h\u00ecnh c\u1ea7u c\u1ee7a n\u00f3. Ch\u1ea5t tr\u00e1m nh\u1ef1a epoxy t\u1ea7m trung v\u00e0 th\u1ea5p th\u01b0\u1eddng s\u1eed d\u1ee5ng b\u1ed9t silicon g\u00f3c c\u1ea1nh, trong khi ch\u1ea5t tr\u00e1m cao c\u1ea5p ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng b\u1ed9t silicon h\u00ecnh c\u1ea7u. V\u1eadt li\u1ec7u tr\u00e1m nh\u1ef1a cho c\u00e1c thi\u1ebft b\u1ecb r\u1eddi r\u1ea1c v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u00edch h\u1ee3p nh\u1ecf th\u01b0\u1eddng ch\u1ee9a b\u1ed9t vi silicon tinh th\u1ec3 v\u00e0 n\u00f3ng ch\u1ea3y. Bao b\u00ec c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng b\u1ed9t silicon tinh th\u1ec3 c\u00f9ng v\u1edbi c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 d\u1eabn nhi\u1ec7t cao kh\u00e1c. \u0110\u1ed1i v\u1edbi bao b\u00ec c\u00f3 \u0111\u1ed9 gi\u00e3n n\u1edf th\u1ea5p v\u00e0 \u0111\u1ed9 cong v\u00eanh th\u1ea5p c\u1ee7a c\u00e1c m\u1ea1ch t\u00edch h\u1ee3p quy m\u00f4 l\u1edbn, b\u1ed9t silicon h\u00ecnh c\u1ea7u \u0111\u01b0\u1ee3c \u01b0u ti\u00ean. Cu\u1ed1i c\u00f9ng, c\u00e1c thi\u1ebft b\u1ecb b\u1ed9 nh\u1edb \u0111\u00f3ng g\u00f3i m\u00f4 \u0111un th\u1ea5p th\u01b0\u1eddng s\u1eed d\u1ee5ng b\u1ed9t silicon h\u00ecnh c\u1ea7u c\u00f3 b\u1ee9c x\u1ea1 th\u1ea5p l\u00e0m ch\u1ea5t \u0111\u1ed9n.<\/p>\n\n\n\n

Ng\u01b0\u1eddi ta \u01b0\u1edbc t\u00ednh nhu c\u1ea7u b\u1ed9t silicon h\u00ecnh c\u1ea7u c\u1ee7a Trung Qu\u1ed1c cho bao b\u00ec b\u00e1n d\u1eabn v\u00e0o n\u0103m 2022 s\u1ebd l\u00e0 71.000 t\u1ea5n<\/strong>. Khi t\u1ef7 l\u1ec7 bao b\u00ec ti\u00ean ti\u1ebfn ti\u1ebfp t\u1ee5c t\u0103ng, d\u1ef1 ki\u1ebfn s\u1ebd \u0111\u1ea1t 93.000 t\u1ea5n<\/strong> v\u00e0o n\u0103m 2025, v\u1edbi CAGR l\u00e0 9.25%. D\u1ef1a tr\u00ean gi\u00e1 b\u1ed9t silic h\u00ecnh c\u1ea7u c\u1ee7a 15.000 nh\u00e2n d\u00e2n t\u1ec7\/t\u1ea5n<\/strong>, quy m\u00f4 th\u1ecb tr\u01b0\u1eddng v\u00e0o n\u0103m 2025 s\u1ebd g\u1ea7n nh\u01b0 1,5 t\u1ef7 nh\u00e2n d\u00e2n t\u1ec7<\/strong>.<\/p>\n\n\n\n

3. V\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n<\/strong><\/h2>\n\n\n\n

B\u1ed9t silicon micro l\u00e0 ch\u1ea5t \u0111\u1ed9n c\u00e1ch \u0111i\u1ec7n b\u1eb1ng nh\u1ef1a epoxy cho c\u00e1c s\u1ea3n ph\u1ea9m \u0111i\u1ec7n. N\u00f3 l\u00e0m gi\u1ea3m h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh v\u00e0 \u0111\u1ed9 co ng\u00f3t c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00e3 l\u01b0u h\u00f3a trong qu\u00e1 tr\u00ecnh l\u01b0u h\u00f3a. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m \u1ee9ng su\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n. N\u00f3 t\u0103ng c\u01b0\u1eddng c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n\n\n\n

Do \u0111\u00f3, kh\u00e1ch h\u00e0ng trong l\u0129nh v\u1ef1c n\u00e0y c\u00f3 c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3 \u0111\u1ed1i v\u1edbi b\u1ed9t silicon micro, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh th\u1ea5p, c\u00e1ch \u0111i\u1ec7n cao v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao, trong khi nhu c\u1ea7u c\u1ee7a h\u1ecd v\u1ec1 c\u00e1c \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n m\u00f4i v\u00e0 d\u1eabn nhi\u1ec7t t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p. Trong l\u0129nh v\u1ef1c v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n, c\u00e1c s\u1ea3n ph\u1ea9m b\u1ed9t silicon c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u01a1n l\u1ebb v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ecdn t\u1eeb 5 micron \u0111\u1ebfn 25 micron<\/strong> d\u1ef1a tr\u00ean \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a s\u1ea3n ph\u1ea9m c\u00e1ch \u0111i\u1ec7n v\u00e0 y\u00eau c\u1ea7u c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t. Ngo\u00e0i ra c\u00f2n c\u00f3 ti\u00eau chu\u1ea9n cao v\u1ec1 \u0111\u1ed9 tr\u1eafng c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/p>\n\n\n\n

4. Cao su<\/strong><\/h2>\n\n\n\n

B\u1ed9t silicon si\u00eau nh\u1ecf c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u01b0 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t, c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 b\u1ec1n k\u00e9o, m\u00f4 \u0111un v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch cao c\u1ee7a v\u1eadt li\u1ec7u composite cao su. Tuy nhi\u00ean, b\u1ec1 m\u1eb7t b\u1ed9t silicon ch\u1ee9a nhi\u1ec1u nh\u00f3m silanol c\u00f3 t\u00ednh axit. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh, c\u00e1c nh\u00f3m n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn b\u1ed9t silicon ph\u00e2n t\u00e1n kh\u00f4ng \u0111\u1ec1u trong cao su v\u00e0 c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi ch\u1ea5t t\u0103ng t\u1ed1c ki\u1ec1m, k\u00e9o d\u00e0i th\u1eddi gian l\u01b0u h\u00f3a c\u1ee7a v\u1eadt li\u1ec7u composite cao su.<\/p>\n\n\n\n

Hi\u1ec7n nay, bi\u1ebfn t\u00ednh b\u1ed9t silicon vi m\u00f4 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nghi\u00ean c\u1ee9u cao su, v\u1edbi bi\u1ebfn t\u00ednh t\u00e1c nh\u00e2n li\u00ean k\u1ebft silan l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh<\/strong>. V\u00ed d\u1ee5 bao g\u1ed3m phenyltrimethoxysilane, ethylenetrimethoxysilane, hexamethyldisilazane, 3-mercaptopropyl triethoxysilane v\u00e0 (3-aminopropyl) trimethoxysilane.<\/p>\n\n\n\n

5. Nh\u1ef1a<\/strong><\/h2>\n\n\n\n

B\u1ed9t micro silic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong nh\u1ef1a. Bao g\u1ed3m polyethylene (PE), polyvinyl clorua (PVC), polypropylene (PP) v\u00e0 polyphenylene oxide (PPO). N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c, bao g\u1ed3m x\u00e2y d\u1ef1ng, \u00f4 t\u00f4 v\u00e0 \u0111i\u1ec7n t\u1eed. N\u00f3 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1ch nhi\u1ec7t, n\u00f4ng nghi\u1ec7p, h\u00e0ng h\u00f3a h\u00e0ng ng\u00e0y v\u00e0 qu\u00e2n s\u1ef1.<\/p>\n\n\n\n

KH-550 bi\u1ebfn t\u00ednh th\u1ea1ch anh d\u1ea1ng b\u1ed9t. Sau \u0111\u00f3, n\u00f3 \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi PE \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u00e0ng nh\u1ef1a cho nh\u00e0 k\u00ednh n\u00f4ng nghi\u1ec7p. K\u1ebft qu\u1ea3 cho th\u1ea5y, v\u1edbi th\u1ea1ch anh d\u1ea1ng b\u1ed9t 8%-12%, c\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a m\u00e0ng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi nh\u1ef1a nguy\u00ean ch\u1ea5t v\u00e0 \u0111\u1ea1t ti\u00eau chu\u1ea9n qu\u1ed1c gia. T\u00f4i \u0111\u00e3 s\u1eed d\u1ee5ng t\u00e1c nh\u00e2n li\u00ean k\u1ebft silan \u0111\u1ec3 bi\u1ebfn t\u00ednh b\u1ed9t silicon micro. T\u00f4i \u0111\u00e3 tr\u1ed9n b\u1ed9t silicon \u0111\u00e3 bi\u1ebfn t\u00ednh v\u1edbi polyphenylene ether. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra v\u1eadt li\u1ec7u nh\u1ef1a \u00f4 t\u00f4 polyphenylene ether. K\u1ebft qu\u1ea3 cho th\u1ea5y v\u1eadt li\u1ec7u r\u1ea5t c\u1ee9ng. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ch\u1ed1ng \u0103n m\u00f2n. V\u00ec v\u1eady, n\u00f3 ph\u00f9 h\u1ee3p cho c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a \u00f4 t\u00f4.<\/p>\n\n\n\n

6. S\u01a1n<\/strong><\/h2>\n\n\n\n

C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9t silicon si\u00eau nh\u1ecf l\u00e0m ch\u1ea5t \u0111\u1ed9n trong l\u1edbp ph\u1ee7. N\u00f3 l\u00e0m gi\u1ea3m chi ph\u00ed l\u1edbp ph\u1ee7 v\u00e0 c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh. Ch\u00fang ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao, axit, ki\u1ec1m, m\u00e0i m\u00f2n v\u00e0 th\u1eddi ti\u1ebft. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, \u00f4 t\u00f4, \u0111\u01b0\u1eddng \u1ed1ng, ph\u1ea7n c\u1ee9ng v\u00e0 thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

TRONG l\u1edbp ph\u1ee7 ki\u1ebfn tr\u00fac<\/strong><\/h3>\n\n\n\n

Bai Wenkui v\u00e0 c\u1ed9ng s\u1ef1. T\u00f4i \u0111\u00e3 s\u1eed d\u1ee5ng b\u1ed9t silica l\u00e0m ch\u1ea5t \u0111\u1ed9n trong s\u01a1n t\u01b0\u1eddng ngo\u1ea1i th\u1ea5t. Ch\u00fang c\u00f3 v\u1ebb ngo\u00e0i \u0111\u1eb9p, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao v\u00e0 chi ph\u00ed th\u1ea5p. Yuan Rui v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 s\u1eed d\u1ee5ng b\u1ed9t silica si\u00eau m\u1ecbn l\u00e0m ch\u1ea5t \u0111\u1ed9n trong l\u1edbp ph\u1ee7 phenylpropanoid. K\u1ebft qu\u1ea3 cho th\u1ea5y, v\u1edbi b\u1ed9t micro silicon 35% tr\u1edf l\u00ean, kh\u1ea3 n\u0103ng ch\u1ed1ng ki\u1ec1m, kh\u1ea3 n\u0103ng r\u1eeda tr\u00f4i, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng ph\u1ea3n x\u1ea1 c\u1ee7a l\u1edbp ph\u1ee7 t\u1ed1t h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi l\u1edbp ph\u1ee7 latex<\/h3>\n\n\n\n

Titanium dioxide l\u00e0 ch\u1ea5t t\u1ea1o m\u00e0u v\u00e0 ch\u1ea5t \u0111\u1ed9n ch\u00ednh. Nh\u01b0ng n\u00f3 \u0111\u1eaft v\u00e0 kh\u00f3 s\u1ea3n xu\u1ea5t. Do \u0111\u00f3, nghi\u00ean c\u1ee9u hi\u1ec7n t\u1eadp trung v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t \u0111\u1ed9n v\u1edbi titanium dioxide. C\u00e1c ch\u1ea5t \u0111\u1ed9n n\u00e0y l\u00e0 canxi cacbonat, canxi sulfat khan v\u00e0 b\u1ed9t silicon. Wang Pengzhu v\u00e0 c\u00e1c \u0111\u1ed3ng nghi\u1ec7p \u0111\u00e3 s\u1eed d\u1ee5ng b\u1ed9t micro silica bi\u1ebfn t\u00ednh l\u00e0m ch\u1ea5t \u0111\u1ed9n. N\u00f3 \u0111\u00f3ng vai tr\u00f2 thay th\u1ebf m\u1ed9t ph\u1ea7n titanium dioxide trong l\u1edbp ph\u1ee7 latex. T\u1ef7 l\u1ec7 kh\u1ed1i l\u01b0\u1ee3ng 1:3 c\u1ee7a titanium dioxide so v\u1edbi b\u1ed9t micro silicon \u0111\u00e3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp v\u00e0 \u0111\u1ed9 linh ho\u1ea1t c\u1ee7a l\u1edbp ph\u1ee7 latex.<\/p>\n\n\n\n

TRONG\u00a0l\u1edbp ph\u1ee7 s\u00e0n epoxy<\/strong>,<\/h3>\n\n\n\n

B\u1ed9t silicon si\u00eau nh\u1ecf l\u00e0m ch\u1ea5t \u0111\u1ed9n t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ed1ng axit v\u00e0 ki\u1ec1m, ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. Hu Gaoping v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 tr\u1ed9n b\u1ed9t silicon c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau v\u1edbi nh\u1ef1a epoxy, ch\u1ea5t \u0111\u00f3ng r\u1eafn v\u00e0 c\u00e1c nguy\u00ean li\u1ec7u th\u00f4 kh\u00e1c \u0111\u1ec3 t\u1ea1o ra l\u1edbp ph\u1ee7 s\u00e0n epoxy ch\u1ed1ng axit m\u1ea1nh. C\u00e1c l\u1edbp ph\u1ee7 n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c x\u01b0\u1edfng ch\u01b0ng c\u1ea5t axit axetic \u0111\u1ec3 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng b\u1ed9t c\u1ee5c b\u1ed9 do \u0103n m\u00f2n axit axetic.<\/p>\n\n\n\n

Trong l\u1edbp ph\u1ee7 c\u00e1ch nhi\u1ec7t ch\u1ed1ng ch\u00e1y, Liu Tongwang v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 th\u00eam b\u1ed9t silica ho\u1ea1t t\u00ednh v\u00e0o nh\u1ef1a polyester kh\u00f4ng b\u00e3o h\u00f2a. T\u00f4i \u0111\u00e3 s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 t\u1ea1o ra s\u01a1n c\u00e1ch nhi\u1ec7t polyester. K\u1ebft qu\u1ea3 cho th\u1ea5y, \u1edf b\u1ed9t silica ho\u1ea1t t\u00ednh 35%, s\u01a1n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. \u0110\u1ed9 d\u1eabn th\u1ec3 t\u00edch, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 n\u01b0\u1edbc v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a n\u00f3 \u0111\u1ec1u t\u0103ng l\u00ean.<\/p>\n\n\n\n

7. Ch\u1ea5t k\u1ebft d\u00ednh<\/strong><\/h2>\n\n\n\n

B\u1ed9t vi silicon, l\u00e0 ch\u1ea5t \u0111\u1ed9n ch\u1ee9c n\u0103ng v\u00f4 c\u01a1, c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf tuy\u1ebfn t\u00ednh v\u00e0 t\u1ef7 l\u1ec7 co ng\u00f3t c\u1ee7a nh\u1ef1a k\u1ebft d\u00ednh \u0111\u00e3 l\u01b0u h\u00f3a, c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m v\u00e0 hi\u1ec7u su\u1ea5t t\u1ea3n nhi\u1ec7t c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh, do \u0111\u00f3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 li\u00ean k\u1ebft v\u00e0 b\u1ecbt k\u00edn.<\/p>\n\n\n\n

Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t silica 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 x\u1eed l\u00fd 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 silica 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. N\u00f3 c\u00f3 y\u00eau c\u1ea7u cao v\u1ec1 h\u00ecnh th\u1ee9c v\u00e0 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a b\u1ed9t silica, v\u00e0 th\u01b0\u1eddng s\u1eed d\u1ee5ng 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-30 micron \u0111\u1ec3 s\u1eed d\u1ee5ng h\u1ee3p ch\u1ea5t.<\/p>\n\n\n\n

H\u1ecd thay \u0111\u1ed5i b\u1ed9t silica v\u00e0 sau \u0111\u00f3 \u00e1p d\u1ee5ng n\u00f3 v\u00e0o vinyl silicone. Khi th\u1eddi gian l\u01b0u tr\u1eef t\u0103ng l\u00ean, \u0111\u1ed9 nh\u1edbt c\u1ee7a vinyl silicone v\u1eabn \u1ed5n \u0111\u1ecbnh. S\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh t\u1ed1t. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u00f3 trong silicone d\u1eabn nhi\u1ec7t, mi\u1ebfng \u0111\u1ec7m v\u00e0 v\u1eadt li\u1ec7u nha khoa \u0111\u1ec3 l\u1ea5y d\u1ea5u.<\/p>\n\n\n\n

8. \u0110\u00e1 th\u1ea1ch anh nh\u00e2n t\u1ea1o<\/strong><\/h2>\n\n\n\n

B\u1ed9t vi silicon \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong v\u00e1n th\u1ea1ch anh nh\u00e2n t\u1ea1o c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng nh\u1ef1a kh\u00f4ng b\u00e3o h\u00f2a ti\u00eau th\u1ee5 v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 ki\u1ec1m, v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. T\u1ef7 l\u1ec7 l\u1ea5p \u0111\u1ea7y b\u1ed9t silicon trong \u0111\u00e1 c\u1ea9m th\u1ea1ch nh\u00e2n t\u1ea1o th\u01b0\u1eddng v\u00e0o kho\u1ea3ng 30%. V\u00ed d\u1ee5, Liu Huichen v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u1ec1 xu\u1ea5t s\u1eed d\u1ee5ng b\u1ed9t silicon \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh b\u1eb1ng ch\u1ea5t k\u1ebft d\u00ednh silan trong v\u00e1n th\u1ea1ch anh nh\u00e2n t\u1ea1o. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng nh\u1ef1a kh\u00f4ng b\u00e3o h\u00f2a s\u1eed d\u1ee5ng v\u00e0 gi\u1ea3m chi ph\u00ed gia c\u00f4ng v\u00e1n th\u1ea1ch anh nh\u00e2n t\u1ea1o.<\/p>\n\n\n\n

9. G\u1ed1m t\u1ed5 ong \u00f4 t\u00f4<\/strong><\/h2>\n\n\n\n

B\u1ed9 l\u1ecdc h\u1ea1t diesel (DPF), \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u g\u1ed1m t\u1ed5 ong \u0111\u1ec3 l\u1ecdc kh\u00ed th\u1ea3i \u00f4 t\u00f4 v\u00e0 v\u1eadt li\u1ec7u cordierite \u0111\u1ec3 l\u1ecdc kh\u00ed th\u1ea3i \u0111\u1ed9ng c\u01a1 diesel, bao g\u1ed3m tr\u1ed9n, \u0111\u00f9n, s\u1ea5y v\u00e0 thi\u00eau k\u1ebft c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 alumina v\u00e0 b\u1ed9t vi silica. Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a b\u1ed9t vi silicon n\u00f3ng ch\u1ea3y l\u00e0 SiO2, c\u00f3 c\u1ea5u tr\u00fac v\u00f4 \u0111\u1ecbnh h\u00ecnh, c\u00e1c h\u1ea1t si\u00eau m\u1ecbn v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn. N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t kho\u00e1ng h\u00f3a cho c\u00e1c ph\u1ea3n \u1ee9ng tr\u1ea1ng th\u00e1i r\u1eafn v\u00e0 thi\u00eau k\u1ebft c\u00e1c v\u1eadt li\u1ec7u silicat. B\u1ed9t silicon t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u g\u1ed1m t\u1ed5 ong, gi\u1ea3m h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t c\u1ee7a cordierite v\u00e0 c\u1ea3i thi\u1ec7n tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3. B\u1ed9t silicon h\u00ecnh c\u1ea7u c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 t\u1ea1o h\u00ecnh v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m g\u1ed1m t\u1ed5 ong, v\u1edbi t\u1ef7 l\u1ec7 tr\u1ecdng l\u01b0\u1ee3ng kho\u1ea3ng 13% trong v\u1eadt li\u1ec7u g\u1ed1m t\u1ed5 ong.<\/p>\n\n\n\n

10. M\u1ef9 ph\u1ea9m<\/strong><\/h2>\n\n\n\n

B\u1ed9t micro silica h\u00ecnh c\u1ea7u c\u00f3 trong m\u1ef9 ph\u1ea9m nh\u01b0 son m\u00f4i v\u00e0 ph\u1ea5n. N\u00f3 c\u00f3 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng t\u1ed1t v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn. C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a n\u00f3 bao g\u1ed3m:<\/p>\n\n\n\n