{"id":4496,"date":"2025-12-25T11:32:28","date_gmt":"2025-12-25T03:32:28","guid":{"rendered":"https:\/\/www.superfinemill.com\/?p=4496"},"modified":"2025-12-25T11:32:32","modified_gmt":"2025-12-25T03:32:32","slug":"what-are-the-eight-major-reasons-and-six-main-methods-for-powder-surface-modification-%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.superfinemill.com\/vi\/what-are-the-eight-major-reasons-and-six-main-methods-for-powder-surface-modification-%ef%bc%9f\/","title":{"rendered":"T\u00e1m l\u00fd do ch\u00ednh v\u00e0 s\u00e1u ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t b\u1ed9t l\u00e0 g\u00ec?"},"content":{"rendered":"

\u0110i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t b\u1ed9t r<\/a>Thu\u1eadt ng\u1eef n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c x\u1eed l\u00fd b\u1ec1 m\u1eb7t b\u1ed9t m\u1ed9t c\u00e1ch c\u00f3 m\u1ee5c ti\u00eau th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u1eadt l\u00fd, h\u00f3a h\u1ecdc ho\u1eb7c c\u01a1 h\u1ecdc. M\u1ee5c \u0111\u00edch l\u00e0 \u0111\u1ec3 thay \u0111\u1ed5i c\u00e1c t\u00ednh ch\u1ea5t l\u00fd h\u00f3a c\u1ee7a b\u1ed9t ho\u1eb7c \u0111\u1ec3 t\u1ea1o ra c\u00e1c ch\u1ee9c n\u0103ng m\u1edbi. C\u00f4ng ngh\u1ec7 n\u00e0y ng\u00e0y c\u00e0ng tr\u1edf n\u00ean quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng b\u1ed9t. N\u00f3 \u0111\u00e1p \u1ee9ng hi\u1ec7u qu\u1ea3 nhu c\u1ea7u c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u hi\u1ec7n \u0111\u1ea1i, quy tr\u00ecnh ti\u00ean ti\u1ebfn v\u00e0 c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i. Th\u00f4ng qua vi\u1ec7c s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t, gi\u00e1 tr\u1ecb \u1ee9ng d\u1ee5ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u00e2ng cao \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n

T\u00e1m l\u00fd do ch\u00ednh d\u1eabn \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng ph\u1ea5n ph\u1ee7 S\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t<\/a><\/h2>\n\n\n\n
\"powder
m\u00e1y ph\u1ee7 b\u1ed9t<\/figcaption><\/figure>\n\n\n\n

L\u00fd do 1: C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n<\/h3>\n\n\n\n

Trong c\u00e1c v\u1eadt li\u1ec7u polymer nh\u01b0 nh\u1ef1a, cao su v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh, c\u0169ng nh\u01b0 c\u00e1c v\u1eadt li\u1ec7u composite n\u1ec1n polymer, ch\u1ea5t \u0111\u1ed9n kho\u00e1ng v\u00f4 c\u01a1 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. Tuy nhi\u00ean, t\u1ed3n t\u1ea1i nh\u1eefng kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 gi\u1eefa c\u00e1c t\u00ednh ch\u1ea5t b\u1ec1 m\u1eb7t v\u00e0 giao di\u1ec7n c\u1ee7a b\u1ed9t v\u00f4 c\u01a1 v\u00e0 n\u1ec1n polymer h\u1eefu c\u01a1.
Do \u0111\u00f3, th\u01b0\u1eddng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng t\u01b0\u01a1ng th\u00edch k\u00e9m v\u00e0 ph\u00e2n t\u00e1n kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n\n\n\n

N\u1ebfu kh\u00f4ng x\u1eed l\u00fd b\u1ec1 m\u1eb7t, vi\u1ec7c \u0111\u1ed5 tr\u1ef1c ti\u1ebfp ho\u1eb7c s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u b\u1ed9t v\u00f4 c\u01a1 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn gi\u1ea3m \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc. Trong tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 b\u1ecb gi\u00f2n. X\u1eed l\u00fd b\u1ec1 m\u1eb7t gi\u00fap t\u1ed1i \u01b0u h\u00f3a \u0111\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1. \u0110i\u1ec1u n\u00e0y c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 ph\u00e2n t\u00e1n c\u1ee7a ch\u00fang trong ma tr\u1eadn h\u1eefu c\u01a1.<\/p>\n\n\n\n

Do \u0111\u00f3, \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a v\u1eadt li\u1ec7u composite \u0111\u01b0\u1ee3c n\u00e2ng cao. Quan tr\u1ecdng h\u01a1n, vi\u1ec7c bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t cho ph\u00e9p c\u00e1c ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb c\u00e1c ch\u1ea5t ph\u1ee5 gia l\u00e0m t\u0103ng th\u1ec3 t\u00edch th\u00e0nh c\u00e1c ch\u1ea5t \u0111\u1ed9n ch\u1ee9c n\u0103ng. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng m\u1ee5c ti\u00eau c\u01a1 b\u1ea3n nh\u1ea5t c\u1ee7a vi\u1ec7c bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t b\u1ed9t.<\/p>\n\n\n\n

L\u00fd do 2: T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n s\u1eafc t\u1ed1 v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t l\u1edbp ph\u1ee7<\/h3>\n\n\n\n

M\u1ed9t m\u1ee5c ti\u00eau quan tr\u1ecdng kh\u00e1c c\u1ee7a vi\u1ec7c x\u1eed l\u00fd b\u1ec1 m\u1eb7t b\u1ed9t l\u00e0 c\u1ea3i thi\u1ec7n s\u1ef1 ph\u00e2n t\u00e1n c\u1ee7a ch\u1ea5t m\u00e0u v\u00e0 ch\u1ea5t \u0111\u1ed9n trong l\u1edbp ph\u1ee7 v\u00e0 s\u01a1n. \u0110\u1ed3ng th\u1eddi, n\u00f3 gi\u00fap t\u0103ng \u0111\u1ed9 b\u00f3ng, \u0111\u1ed9 b\u1ec1n m\u00e0u, kh\u1ea3 n\u0103ng che ph\u1ee7 v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i.<\/p>\n\n\n\n

C\u00e1c ch\u1ea5t t\u1ea1o m\u00e0u v\u00e0 ch\u1ea5t \u0111\u1ed9n trong s\u01a1n ph\u1ee7 ch\u1ee7 y\u1ebfu l\u00e0 b\u1ed9t v\u00f4 c\u01a1. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 ph\u00e2n t\u00e1n t\u1ed1t trong ch\u1ea5t k\u1ebft d\u00ednh h\u1eefu c\u01a1, vi\u1ec7c x\u1eed l\u00fd b\u1ec1 m\u1eb7t l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt v\u00e0 li\u00ean k\u1ebft gi\u1eefa c\u00e1c l\u1edbp. Trong c\u00e1c lo\u1ea1i s\u01a1n ph\u1ee7 \u0111\u1eb7c bi\u1ec7t m\u1edbi n\u1ed5i (s\u01a1n \u0111i\u1ec7n, t\u1eeb, \u00e2m thanh, nhi\u1ec7t, quang h\u1ecdc, kh\u00e1ng khu\u1ea9n, ch\u1ed1ng \u0103n m\u00f2n, ch\u1ed1ng b\u1ee9c x\u1ea1 v\u00e0 trang tr\u00ed), ch\u1ea5t \u0111\u1ed9n v\u00e0 ch\u1ea5t t\u1ea1o m\u00e0u kh\u00f4ng ch\u1ec9 ph\u1ea3i si\u00eau m\u1ecbn m\u00e0 c\u00f2n ph\u1ea3i c\u00f3 ch\u1ee9c n\u0103ng c\u1ee5 th\u1ec3, do \u0111\u00f3 x\u1eed l\u00fd b\u1ec1 m\u1eb7t l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/p>\n\n\n\n

Ngo\u00e0i ra, l\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t v\u00f4 c\u01a1\u2014ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u1ee7 titan dioxide b\u1eb1ng alumina ho\u1eb7c silica\u2014c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng h\u01a1n n\u1eefa kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft v\u00e0 hi\u1ec7u su\u1ea5t t\u1ea1o m\u00e0u.<\/p>\n\n\n\n

L\u00fd do th\u1ee9 3: Cung c\u1ea5p \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh ph\u00e2n t\u00e1n t\u1ed1t v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh l\u01b0u bi\u1ebfn t\u1ed1t.<\/h3>\n\n\n\n

V\u1edbi s\u1ef1 gia t\u0103ng s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i s\u01a1n ki\u1ebfn tr\u00fac g\u1ed1c n\u01b0\u1edbc, c\u00e1c ch\u1ea5t m\u00e0u v\u00e0 ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 ph\u1ea3i \u0111\u00e1p \u1ee9ng nh\u1eefng y\u00eau c\u1ea7u kh\u1eaft khe h\u01a1n. B\u00ean c\u1ea1nh kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c trong c\u00f4ng th\u1ee9c, ch\u00fang ph\u1ea3i th\u1ec3 hi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh ph\u00e2n t\u00e1n l\u00e2u d\u00e0i v\u00e0 \u0111\u1eb7c t\u00ednh l\u01b0u bi\u1ebfn tuy\u1ec7t v\u1eddi. V\u00ec l\u00fd do n\u00e0y, vi\u1ec7c bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t m\u00e0u v\u00e0 ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n g\u1ed1c n\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00f4ng th\u1ee9c trong qu\u00e1 tr\u00ecnh b\u1ea3o qu\u1ea3n v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n\n\n\n

\"pin-mill-coating-machine\"<\/figure>\n\n\n\n

L\u00fd do th\u1ee9 4: T\u1ea1o hi\u1ec7u \u1ee9ng \u00e1nh ng\u1ecdc trai<\/h3>\n\n\n\n

C\u00e1c s\u1ea3n ph\u1ea9m hi\u1ec7n \u0111\u1ea1i c\u00f3 gi\u00e1 tr\u1ecb gia t\u0103ng cao ch\u00fa tr\u1ecdng \u0111\u1ebfn hi\u1ec7u \u1ee9ng quang h\u1ecdc v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u00ednh th\u1ea9m m\u1ef9 th\u1ecb gi\u00e1c \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 phong ph\u00fa c\u1ee7a m\u00e0u s\u1eafc. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi c\u00e1c v\u1eadt li\u1ec7u d\u1ea1ng b\u1ed9t \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1ec1 m\u1eb7t, mang l\u1ea1i \u0111\u1ed9 b\u00f3ng tuy\u1ec7t v\u1eddi v\u00e0 hi\u1ec7u \u1ee9ng trang tr\u00ed \u1ea5n t\u01b0\u1ee3ng.<\/p>\n\n\n\n

V\u00ed d\u1ee5, b\u1ed9t mica \u0111\u01b0\u1ee3c bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t b\u1eb1ng c\u00e1c oxit kim lo\u1ea1i nh\u01b0 titan dioxit, crom oxit, s\u1eaft oxit ho\u1eb7c zirconi oxit c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ef9 ph\u1ea9m, nh\u1ef1a, cao su m\u00e0u s\u00e1ng, s\u01a1n, l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t v\u00e0 da, t\u1ea1o ra hi\u1ec7u \u1ee9ng \u00e1nh ng\u1ecdc trai v\u00e0 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 gi\u00e1 tr\u1ecb s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

L\u00fd do 5: C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a c\u00e1c ch\u1ea5t m\u00e0u v\u00f4 c\u01a1<\/h3>\n\n\n\n

Trong v\u1eadt li\u1ec7u composite v\u00f4 c\u01a1-v\u00f4 c\u01a1, s\u1ef1 ph\u00e2n t\u00e1n c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n v\u00f4 c\u01a1 c\u00f3 t\u00e1c \u0111\u1ed9ng quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn hi\u1ec7u n\u0103ng cu\u1ed1i c\u00f9ng. Trong c\u00e1c h\u1ec7 th\u1ed1ng g\u1ed1m s\u1ee9, ch\u1eb3ng h\u1ea1n nh\u01b0 g\u1ea1ch men m\u00e0u, s\u1ef1 ph\u00e2n t\u00e1n s\u1eafc t\u1ed1 tr\u1ef1c ti\u1ebfp quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u m\u00e0u s\u1eafc v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p>\n\n\n\n

C\u00e1c ch\u1ea5t m\u00e0u c\u00f3 \u0111\u1ed9 ph\u00e2n t\u00e1n v\u01b0\u1ee3t tr\u1ed9i gi\u00fap c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng m\u00e0u s\u1eafc \u0111\u1ed3ng th\u1eddi gi\u1ea3m thi\u1ec3u vi\u1ec7c ti\u00eau th\u1ee5 c\u00e1c ch\u1ea5t m\u00e0u \u0111\u1eaft ti\u1ec1n. Do \u0111\u00f3, vi\u1ec7c t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ph\u00e2n t\u00e1n c\u1ee7a c\u00e1c ch\u1ea5t m\u00e0u v\u00f4 c\u01a1 trong ma tr\u1eadn v\u00f4 c\u01a1 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a v\u1eadt li\u1ec7u composite v\u00f4 c\u01a1.<\/p>\n\n\n\n

L\u00fd do th\u1ee9 6: Truy\u1ec1n \u0111\u1ea1t c\u00e1c \u0111\u1eb7c t\u00ednh ch\u1ee9c n\u0103ng v\u00e0 m\u1edf r\u1ed9ng l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng<\/h3>\n\n\n\n

B\u1ed9t tinh th\u1ec3 nhi\u1ec1u l\u1edbp c\u00f3 th\u1ec3 tr\u1ea3i qua qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i xen k\u1ebd b\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng li\u00ean k\u1ebft gi\u1eefa c\u00e1c ph\u00e2n t\u1eed y\u1ebfu ho\u1eb7c \u0111\u1eb7c t\u00ednh trao \u0111\u1ed5i ion gi\u1eefa c\u00e1c l\u1edbp, t\u1ea1o th\u00e0nh c\u00e1c h\u1ee3p ch\u1ea5t xen k\u1ebd m\u1edbi nh\u01b0 h\u1ee3p ch\u1ea5t xen k\u1ebd \u0111\u1ea5t s\u00e9t ho\u1eb7c than ch\u00ec.<\/p>\n\n\n\n

C\u00e1c v\u1eadt li\u1ec7u n\u00e0y s\u1edf h\u1eefu nh\u1eefng \u0111\u1eb7c t\u00ednh l\u00fd h\u00f3a m\u1edbi l\u1ea1 m\u00e0 c\u00e1c lo\u1ea1i b\u1ed9t ban \u0111\u1ea7u kh\u00f4ng c\u00f3. V\u00ed d\u1ee5, than ch\u00ec \u0111\u01b0\u1ee3c xen k\u1ebd h\u00f3a h\u1ecdc th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, ch\u1ecbu s\u1ed1c nhi\u1ec7t, ch\u1ed1ng oxy h\u00f3a, ch\u1ed1ng \u0103n m\u00f2n, kh\u1ea3 n\u0103ng b\u00f4i tr\u01a1n v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m k\u00edn tuy\u1ec7t v\u1eddi. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m nguy\u00ean li\u1ec7u th\u00f4 cho c\u00e1c v\u1eadt li\u1ec7u d\u1eabn \u0111i\u1ec7n, \u0111i\u1ec7n c\u1ef1c, l\u01b0u tr\u1eef hydro, than ch\u00ec d\u1ebbo v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m l\u00e0m k\u00edn, v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng tr\u1ea3i r\u1ed9ng trong luy\u1ec7n kim, d\u1ea7u kh\u00ed, k\u1ef9 thu\u1eadt h\u00f3a h\u1ecdc, m\u00e1y m\u00f3c, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, n\u0103ng l\u01b0\u1ee3ng h\u1ea1t nh\u00e2n v\u00e0 c\u00e1c l\u0129nh v\u1ef1c n\u0103ng l\u01b0\u1ee3ng m\u1edbi.<\/p>\n\n\n\n

Bentonit bi\u1ebfn t\u00ednh h\u1eefu c\u01a1 c\u0169ng th\u1ec3 hi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh tr\u01b0\u01a1ng n\u1edf, h\u1ea5p ph\u1ee5, thixotropy v\u00e0 li\u00ean k\u1ebft tuy\u1ec7t v\u1eddi trong c\u00e1c dung m\u00f4i kh\u00f4ng c\u1ef1c v\u00e0 ph\u00e2n c\u1ef1c y\u1ebfu.<\/p>\n\n\n\n

L\u00fd do 7: T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 v\u00e0 t\u00ednh ch\u1ea5t x\u00fac t\u00e1c<\/h3>\n\n\n\n

Vi\u1ec7c bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea3i thi\u1ec7n ho\u1ea1t t\u00ednh, \u0111\u1ed9 ch\u1ecdn l\u1ecdc, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u b\u1ed9t h\u1ea5p ph\u1ee5 v\u00e0 x\u00fac t\u00e1c.<\/p>\n\n\n\n

V\u00ed d\u1ee5, c\u00e1c oxit kim lo\u1ea1i, kim lo\u1ea1i ki\u1ec1m th\u1ed5, oxit \u0111\u1ea5t hi\u1ebfm, ho\u1eb7c c\u00e1c kim lo\u1ea1i nh\u01b0 Cu, Ag, Au, Al, Co, Pt, Pd v\u00e0 Ni c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean b\u1ec1 m\u1eb7t b\u1ed9t\u2014nh\u01b0 than ho\u1ea1t t\u00ednh, diatomit, alumina, silica gel, sepiolit v\u00e0 zeolit\u2014th\u00f4ng qua c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ea9m \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n

L\u00fd do th\u1ee9 8: Gi\u00fap b\u1ed9t nano ho\u1ea1t \u0111\u1ed9ng nh\u01b0 v\u1eadt li\u1ec7u nano th\u1ef1c th\u1ee5<\/h3>\n\n\n\n

B\u1ed9t nano l\u00e0 d\u1ea1ng b\u1ed9t vi m\u00f4 ti\u00ean ti\u1ebfn v\u1edbi ti\u1ec1m n\u0103ng \u1ee9ng d\u1ee5ng to l\u1edbn. Tuy nhi\u00ean, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn, s\u1ed1 l\u01b0\u1ee3ng nguy\u00ean t\u1eed b\u1ec1 m\u1eb7t d\u1ed3i d\u00e0o v\u00e0 n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t cao khi\u1ebfn ch\u00fang d\u1ec5 b\u1ecb v\u00f3n c\u1ee5c trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, b\u1ea3o qu\u1ea3n, v\u1eadn chuy\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng, d\u1eabn \u0111\u1ebfn h\u00ecnh th\u00e0nh c\u00e1c h\u1ea1t th\u1ee9 c\u1ea5p ho\u1eb7c l\u1edbn h\u01a1n v\u00e0 l\u00e0m m\u1ea5t \u0111i hi\u1ec7u \u1ee9ng nano.<\/p>\n\n\n\n

Do \u0111\u00f3, vi\u1ec7c bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng v\u00e0 \u0111\u1ea9y nhanh qu\u00e1 tr\u00ecnh c\u00f4ng nghi\u1ec7p h\u00f3a b\u1ed9t nano.<\/p>\n\n\n\n

\"turbo-mill-coating-machine\"<\/figure>\n\n\n\n

S\u00e1u ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t b\u1ed9t<\/h2>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ee7 \u0111\u1ed9ng thay \u0111\u1ed5i c\u00e1c \u0111\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t theo y\u00eau c\u1ea7u \u1ee9ng d\u1ee5ng. Hi\u1ec7n nay, c\u00f3 s\u00e1u lo\u1ea1i ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, m\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 bi\u1ebfn \u0111\u1ed5i \u0111\u1ed3ng \u0111\u1ec1u khi k\u1ebft h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 v\u1eadt l\u00fd<\/h3>\n\n\n\n

Nguy\u00ean t\u1eafc:<\/strong> C\u00e1c l\u1edbp ph\u1ee7 polyme ho\u1eb7c nh\u1ef1a \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean b\u1ec1 m\u1eb7t b\u1ed9t b\u1eb1ng quy tr\u00ecnh ngu\u1ed9i ho\u1eb7c n\u00f3ng \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp ph\u1ee7.
C\u00e1c t\u1eeb b\u1ed5 ngh\u0129a:<\/strong> Polyme, nh\u1ef1a phenolic, nh\u1ef1a furan, v.v.
C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng:<\/strong> H\u00ecnh d\u1ea1ng h\u1ea1t, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang, \u0111\u1ed9 x\u1ed1p, lo\u1ea1i v\u00e0 li\u1ec1u l\u01b0\u1ee3ng l\u1edbp ph\u1ee7, quy tr\u00ecnh ph\u1ee7.
V\u1eadt li\u1ec7u \u00e1p d\u1ee5ng:<\/strong> C\u00e1t \u0111\u00fac, c\u00e1t th\u1ea1ch anh.
Thi\u1ebft b\u1ecb:<\/strong> M\u00e1y ph\u1ee7 ba tr\u1ee5c l\u0103n<\/a>Thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng ba r\u00f4to quay \u0111\u1ec3 thay \u0111\u1ed5i d\u00f2ng xo\u00e1y b\u00ean trong, cho ph\u00e9p bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t li\u00ean t\u1ee5c. Nhi\u1ec7t \u0111\u01b0\u1ee3c t\u1ea1o ra th\u00f4ng qua ma s\u00e1t n\u1ed9i t\u1ea1i, lo\u1ea1i b\u1ecf nhu c\u1ea7u gia nhi\u1ec7t b\u00ean ngo\u00e0i. Th\u00edch h\u1ee3p cho b\u1ed9t c\u00f3 k\u00edch th\u01b0\u1edbc 325\u20133000 mesh v\u00e0 c\u00e1c ch\u1ea5t bi\u1ebfn t\u00ednh nh\u01b0 axit stearic, v\u1edbi chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0 v\u1eadn h\u00e0nh th\u1ea5p.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 h\u00f3a ch\u1ea5t<\/h3>\n\n\n\n

Nguy\u00ean t\u1eafc:<\/strong> C\u00e1c nh\u00f3m ch\u1ee9c h\u1eefu c\u01a1 \u0111\u01b0\u1ee3c h\u1ea5p ph\u1ee5 ho\u1eb7c li\u00ean k\u1ebft h\u00f3a h\u1ecdc l\u00ean b\u1ec1 m\u1eb7t b\u1ed9t v\u00f4 c\u01a1 th\u00f4ng qua c\u00e1c quy tr\u00ecnh kh\u00f4 ho\u1eb7c \u01b0\u1edbt, bao g\u1ed3m c\u00e1c ph\u1ea3n \u1ee9ng g\u1ed1c t\u1ef1 do, t\u1ea1o ph\u1ee9c v\u00e0 h\u1ea5p ph\u1ee5 sol.
C\u00e1c t\u1eeb b\u1ed5 ngh\u0129a:<\/strong> C\u00e1c ch\u1ea5t li\u00ean k\u1ebft silan, titanat, aluminat, zirconium aluminat; axit b\u00e9o v\u00e0 mu\u1ed1i, mu\u1ed1i amoni h\u1eefu c\u01a1, ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng b\u1ec1 m\u1eb7t, phosphat, axit h\u1eefu c\u01a1 kh\u00f4ng b\u00e3o h\u00f2a, polyme tan trong n\u01b0\u1edbc.
V\u1eadt li\u1ec7u \u00e1p d\u1ee5ng:<\/strong> C\u00e1t th\u1ea1ch anh, b\u1ed9t silica, canxi cacbonat, cao lanh, b\u1ed9t talc, bentonit, barit, wollastonit, mica, diatomit, brucit, bari sulfat, dolomit, titan dioxit, nh\u00f4m hydroxit, magie hydroxit, alumina, v.v.
Thi\u1ebft b\u1ecb:<\/strong><\/p>\n\n\n\n