{"id":125618,"date":"2023-02-06T11:34:32","date_gmt":"2023-02-06T03:34:32","guid":{"rendered":"https:\/\/www.alpapowder.com\/125618\/"},"modified":"2023-02-06T11:34:33","modified_gmt":"2023-02-06T03:34:33","slug":"co-nhieu-loai-bot-sua-doi-be-mat-lam-the-nao-de-lua-chon","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/125618\/","title":{"rendered":"C\u00f3 nhi\u1ec1u lo\u1ea1i b\u1ed9t s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u1ef1a ch\u1ecdn?"},"content":{"rendered":"

\"\"<\/p>\n

Ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t b\u1ed9t nh\u01b0 mong \u0111\u1ee3i, nh\u01b0ng c\u00f3 nhi\u1ec1u lo\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c nh\u1eafm m\u1ee5c ti\u00eau cao. T\u1eeb g\u00f3c \u0111\u1ed9 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c ph\u00e2n t\u1eed ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t v\u00e0 b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t v\u00f4 c\u01a1, n\u00f3 n\u00ean \u0111\u01b0\u1ee3c ch\u1ecdn c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t. Ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t cho ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ho\u1eb7c h\u1ea5p ph\u1ee5 h\u00f3a h\u1ecdc tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t b\u1ed9t, b\u1edfi v\u00ec s\u1ef1 h\u1ea5p ph\u1ee5 v\u1eadt l\u00fd d\u1ec5 d\u00e0ng b\u1ecb gi\u1ea3i h\u1ea5p d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a khu\u1ea5y ho\u1eb7c \u0111\u00f9n m\u1ea1nh trong qu\u00e1 tr\u00ecnh \u1ee9ng d\u1ee5ng ti\u1ebfp theo.<\/p>\n

Nguy\u00ean t\u1eafc l\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t<\/p>\n

Trong l\u1ef1a ch\u1ecdn th\u1ef1c t\u1ebf, ngo\u00e0i vi\u1ec7c xem x\u00e9t lo\u1ea1i h\u1ea5p ph\u1ee5, c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1eed d\u1ee5ng s\u1ea3n ph\u1ea9m, ti\u00eau chu\u1ea9n ho\u1eb7c y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m, quy tr\u00ecnh s\u1eeda \u0111\u1ed5i, chi ph\u00ed v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n

(1) M\u1ee5c \u0111\u00edch c\u1ee7a s\u1ea3n ph\u1ea9m<\/p>\n

\u0110\u00e2y l\u00e0 c\u00e2n nh\u1eafc quan tr\u1ecdng nh\u1ea5t trong vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t, b\u1edfi v\u00ec c\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau c\u00f3 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt kh\u00e1c nhau \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ed9t, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 \u1ea9m b\u1ec1 m\u1eb7t, \u0111\u1ed9 ph\u00e2n t\u00e1n, gi\u00e1 tr\u1ecb pH, t\u00ednh ch\u1ea5t \u0111i\u1ec7n, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft, \u0111\u1ed9 b\u00f3ng, t\u00ednh ch\u1ea5t kh\u00e1ng khu\u1ea9n, v.v. l\u00e0 m\u1ed9t trong nh\u1eefng l\u00fd do \u0111\u1ec3 ch\u1ecdn nhi\u1ec1u lo\u1ea1i ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t t\u00f9y theo \u1ee9ng d\u1ee5ng.<\/p>\n

V\u00ed d\u1ee5: B\u1ed9t v\u00f4 c\u01a1 (ch\u1ea5t \u0111\u1ed9n ho\u1eb7c b\u1ed9t m\u00e0u) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c lo\u1ea1i nh\u1ef1a, cao su, ch\u1ea5t k\u1ebft d\u00ednh, l\u1edbp ph\u1ee7 g\u1ed1c d\u1ea7u ho\u1eb7c dung m\u00f4i \u0111\u00f2i h\u1ecfi b\u1ec1 m\u1eb7t ph\u1ea3i c\u00f3 t\u00ednh \u01b0a \u1ea9m t\u1ed1t, ngh\u0129a l\u00e0 c\u00f3 \u00e1i l\u1ef1c t\u1ed1t ho\u1eb7c kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u g\u1ed1c polyme h\u1eefu c\u01a1, \u0111\u00f2i h\u1ecfi ph\u1ea3i l\u1ef1a ch\u1ecdn c\u1ee7a c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 l\u00e0m cho b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t v\u00f4 c\u01a1 tr\u1edf n\u00ean k\u1ef5 n\u01b0\u1edbc v\u00e0 \u01b0a m\u1ee1;<\/p>\n

Khi l\u1ef1a ch\u1ecdn cao lanh nung \u0111\u1ec3 ph\u1ee7 ch\u1ea5t \u0111\u1ed9n c\u00e1ch \u0111i\u1ec7n cho c\u00e1p, c\u0169ng c\u1ea7n xem x\u00e9t \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t \u0111\u1ebfn t\u00ednh ch\u1ea5t \u0111i\u1ec7n m\u00f4i v\u00e0 \u0111i\u1ec7n tr\u1edf su\u1ea5t;<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t m\u00e0u v\u00f4 c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong kho\u1ea3ng tr\u1ed1ng g\u1ed1m, kh\u00f4ng ch\u1ec9 y\u00eau c\u1ea7u \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t \u1edf tr\u1ea1ng th\u00e1i kh\u00f4 m\u00e0 c\u00f2n ph\u1ea3i c\u00f3 \u00e1i l\u1ef1c t\u1ed1t v\u1edbi kho\u1ea3ng tr\u1ed1ng v\u00f4 c\u01a1 v\u00e0 c\u00f3 th\u1ec3 ph\u00e2n t\u00e1n \u0111\u1ec1u trong kho\u1ea3ng tr\u1ed1ng;<\/p>\n

\u0110\u1ed1i v\u1edbi ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t v\u00f4 c\u01a1 (ch\u1ea5t \u0111\u1ed9n ho\u1eb7c b\u1ed9t m\u00e0u) d\u00f9ng trong s\u01a1n ho\u1eb7c ch\u1ea5t ph\u1ee7 g\u1ed1c n\u01b0\u1edbc, y\u00eau c\u1ea7u b\u1ed9t bi\u1ebfn t\u00ednh ph\u1ea3i c\u00f3 \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t, \u1ed5n \u0111\u1ecbnh l\u1eafng v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi pha n\u01b0\u1edbc.<\/p>\n

\u0110\u1ed3ng th\u1eddi, c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng \u1ee9ng d\u1ee5ng kh\u00e1c nhau l\u00e0 kh\u00e1c nhau. Khi l\u1ef1a ch\u1ecdn b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t c\u0169ng ph\u1ea3i xem x\u00e9t s\u1ef1 ph\u00f9 h\u1ee3p v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng \u1ee9ng d\u1ee5ng \u0111\u1ec3 tr\u00e1nh s\u1ef1 c\u1ed1 c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c trong h\u1ec7 th\u1ed1ng do b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t.<\/p>\n

(2) Qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i<\/p>\n

Qu\u00e1 tr\u00ecnh bi\u1ebfn t\u00ednh c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e2n nh\u1eafc quan tr\u1ecdng trong vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1ed1ng ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t. Qu\u00e1 tr\u00ecnh s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t hi\u1ec7n t\u1ea1i ch\u1ee7 y\u1ebfu \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p kh\u00f4 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt.<\/p>\n

\u0110\u1ed1i v\u1edbi quy tr\u00ecnh kh\u00f4 th\u00ec kh\u00f4ng c\u1ea7n x\u00e9t \u0111\u1ebfn \u0111\u1ed9 tan trong n\u01b0\u1edbc c\u1ee7a n\u00f3, nh\u01b0ng \u0111\u1ed1i v\u1edbi quy tr\u00ecnh \u01b0\u1edbt th\u00ec ph\u1ea3i x\u00e9t \u0111\u1ebfn \u0111\u1ed9 tan trong n\u01b0\u1edbc c\u1ee7a ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t, v\u00ec ch\u1ec9 khi tan trong n\u01b0\u1edbc th\u00ec ch\u1ea5t n\u00e0y m\u1edbi ti\u1ebfp x\u00fac v\u00e0 ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n v\u1edbi c\u00e1c h\u1ea1t b\u1ed9t. trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt.<\/p>\n

V\u00ed d\u1ee5, axit stearic c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t kh\u00f4 c\u1ee7a b\u1ed9t canxi cacbonat (tr\u1ef1c ti\u1ebfp ho\u1eb7c sau khi h\u00f2a tan trong dung m\u00f4i h\u1eefu c\u01a1), nh\u01b0ng trong \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t \u01b0\u1edbt, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00eam tr\u1ef1c ti\u1ebfp axit stearic, kh\u00f4ng ch\u1ec9 kh\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c. hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t d\u1ef1 ki\u1ebfn (ch\u1ee7 y\u1ebfu l\u00e0 h\u1ea5p ph\u1ee5 v\u1eadt l\u00fd) v\u00e0 t\u1ef7 l\u1ec7 s\u1eed d\u1ee5ng th\u1ea5p, vi\u1ec7c m\u1ea5t ch\u1ea5t s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t sau khi l\u1ecdc l\u00e0 nghi\u00eam tr\u1ecdng v\u00e0 vi\u1ec7c th\u1ea3i ch\u1ea5t h\u1eefu c\u01a1 trong d\u1ecbch l\u1ecdc v\u01b0\u1ee3t qu\u00e1 ti\u00eau chu\u1ea9n.<\/p>\n

M\u1ed9t t\u00ecnh hu\u1ed1ng t\u01b0\u01a1ng t\u1ef1 c\u0169ng \u0111\u00fang v\u1edbi c\u00e1c lo\u1ea1i ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t h\u1eefu c\u01a1 kh\u00e1c. Do \u0111\u00f3, \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t kh\u00f4ng th\u1ec3 tan tr\u1ef1c ti\u1ebfp trong n\u01b0\u1edbc m\u00e0 ph\u1ea3i s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt th\u00ec ph\u1ea3i x\u00e0 ph\u00f2ng h\u00f3a, amon h\u00f3a ho\u1eb7c nh\u0169 h\u00f3a tr\u01b0\u1edbc \u0111\u1ec3 c\u00f3 th\u1ec3 h\u00f2a tan v\u00e0 ph\u00e2n t\u00e1n trong dung d\u1ecbch n\u01b0\u1edbc.<\/p>\n

Ngo\u00e0i ra, c\u00e1c y\u1ebfu t\u1ed1 qu\u00e1 tr\u00ecnh nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t khi l\u1ef1a ch\u1ecdn ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t. T\u1ea5t c\u1ea3 c\u00e1c ch\u1ea5t bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t h\u1eefu c\u01a1 s\u1ebd b\u1ecb ph\u00e2n h\u1ee7y \u1edf m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. V\u00ed d\u1ee5, \u0111i\u1ec3m s\u00f4i c\u1ee7a ch\u1ea5t li\u00ean k\u1ebft silane thay \u0111\u1ed5i trong kho\u1ea3ng 100-310\u00b0C t\u00f9y thu\u1ed9c v\u00e0o lo\u00e0i. Do \u0111\u00f3, c\u00f4ng c\u1ee5 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c ch\u1ecdn t\u1ed1t nh\u1ea5t n\u00ean c\u00f3 nhi\u1ec7t \u0111\u1ed9 ph\u00e2n h\u1ee7y ho\u1eb7c \u0111i\u1ec3m s\u00f4i cao h\u01a1n nhi\u1ec7t \u0111\u1ed9 x\u1eed l\u00fd c\u1ee7a \u1ee9ng d\u1ee5ng.<\/p>\n

(3) Gi\u00e1 c\u1ea3 v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng<\/p>\n

Cu\u1ed1i c\u00f9ng, gi\u00e1 c\u1ea3 v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t trong vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t. V\u1edbi ti\u1ec1n \u0111\u1ec1 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a \u1ee9ng d\u1ee5ng, h\u00e3y c\u1ed1 g\u1eafng s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t r\u1ebb h\u01a1n \u0111\u1ec3 gi\u1ea3m chi ph\u00ed s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t. \u0110\u1ed3ng th\u1eddi, c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f4ng c\u1ee5 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t b\u1ed9t nh\u01b0 mong \u0111\u1ee3i, nh\u01b0ng c\u00f3 nhi\u1ec1u lo\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c nh\u1eafm m\u1ee5c ti\u00eau cao<\/p>\n","protected":false},"author":7,"featured_media":125578,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-125618","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\/125618"}],"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=125618"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/125618\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/125578"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=125618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=125618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=125618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}