{"id":130773,"date":"2024-01-26T14:37:09","date_gmt":"2024-01-26T06:37:09","guid":{"rendered":"https:\/\/www.alpapowder.com\/130773\/"},"modified":"2024-01-26T14:37:10","modified_gmt":"2024-01-26T06:37:10","slug":"4-diem-mau-chot-de-lua-chon-chat-dieu-chinh-be-mat-bot","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/130773\/","title":{"rendered":"4 \u0111i\u1ec3m m\u1ea5u ch\u1ed1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t b\u1ed9t"},"content":{"rendered":"
<\/p>\n
Tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t d\u1ea1ng b\u1ed9t v\u1edbi nhi\u1ec1u ch\u1ee9c n\u0103ng kh\u00e1c nhau v\u00e0 t\u1ea5t nhi\u00ean l\u00e0 gi\u00e1 c\u1ea3 c\u0169ng kh\u00e1c nhau. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn s\u1eeda \u0111\u1ed5i ph\u00f9 h\u1ee3p nh\u1ea5t?<\/p>\n
Th\u1ef1c ti\u1ec5n \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng khi l\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t, nh\u1eefng \u0111i\u1ec1u c\u1ea7n c\u00e2n nh\u1eafc ch\u00ednh bao g\u1ed3m: t\u00ednh ch\u1ea5t c\u1ee7a nguy\u00ean li\u1ec7u b\u1ed9t, l\u0129nh v\u1ef1c s\u1eed d\u1ee5ng ho\u1eb7c \u1ee9ng d\u1ee5ng c\u1ee7a s\u1ea3n ph\u1ea9m, c\u0169ng nh\u01b0 c\u00f4ng ngh\u1ec7, gi\u00e1 c\u1ea3 v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n
1. T\u00ednh ch\u1ea5t c\u1ee7a nguy\u00ean li\u1ec7u b\u1ed9t<\/p>\n
\u0110\u1eb7c t\u00ednh c\u1ee7a nguy\u00ean li\u1ec7u b\u1ed9t ch\u1ee7 y\u1ebfu l\u00e0 axit, ki\u1ec1m, c\u1ea5u tr\u00fac b\u1ec1 m\u1eb7t v\u00e0 nh\u00f3m ch\u1ee9c, \u0111\u1eb7c t\u00ednh h\u1ea5p ph\u1ee5 v\u00e0 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, v.v. N\u00ean ch\u1ecdn c\u00e0ng nhi\u1ec1u ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ho\u1eb7c h\u1ea5p ph\u1ee5 h\u00f3a h\u1ecdc v\u1edbi b\u1ec1 m\u1eb7t c\u1ee7a h\u1ea1t b\u1ed9t, b\u1edfi v\u00ec h\u1ea5p ph\u1ee5 v\u1eadt l\u00fd tr\u00ean N\u00f3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c gi\u1ea3i h\u1ea5p khi khu\u1ea5y ho\u1eb7c \u0111\u00f9n m\u1ea1nh trong c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ebfp theo.<\/p>\n
V\u00ed d\u1ee5, b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c kho\u00e1ng ch\u1ea5t silicat c\u00f3 t\u00ednh axit nh\u01b0 th\u1ea1ch anh, fenspat, mica v\u00e0 cao lanh c\u00f3 th\u1ec3 li\u00ean k\u1ebft v\u1edbi c\u00e1c ch\u1ea5t li\u00ean k\u1ebft silane \u0111\u1ec3 h\u00ecnh th\u00e0nh kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 h\u00f3a h\u1ecdc m\u1ea1nh h\u01a1n; tuy nhi\u00ean, c\u00e1c ch\u1ea5t li\u00ean k\u1ebft silane th\u01b0\u1eddng kh\u00f4ng th\u1ec3 li\u00ean k\u1ebft v\u1edbi cacbonat ki\u1ec1m. Kho\u00e1ng ch\u1ea5t tr\u1ea3i qua c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ho\u1eb7c h\u1ea5p ph\u1ee5 h\u00f3a h\u1ecdc, trong khi c\u00e1c ch\u1ea5t li\u00ean k\u1ebft titanate v\u00e0 aluminate c\u00f3 th\u1ec3 h\u1ea5p ph\u1ee5 h\u00f3a h\u1ecdc v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t ki\u1ec1m cacbonat trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh v\u00e0 \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n
2. C\u00f4ng d\u1ee5ng s\u1ea3n ph\u1ea9m<\/p>\n
M\u1ee5c \u0111\u00edch c\u1ee7a s\u1ea3n ph\u1ea9m l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t c\u1ea7n c\u00e2n nh\u1eafc khi l\u1ef1a ch\u1ecdn ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t. 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 v\u1ec1 hi\u1ec7u su\u1ea5t \u1ee9ng d\u1ee5ng b\u1ed9t, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 th\u1ea5m \u01b0\u1edbt b\u1ec1 m\u1eb7t, \u0111\u1ed9 ph\u00e2n t\u00e1n, gi\u00e1 tr\u1ecb pH, kh\u1ea3 n\u0103ng che gi\u1ea5u, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft, \u0111\u1ed9 b\u00f3ng, \u0111\u1eb7c t\u00ednh kh\u00e1ng khu\u1ea9n, ch\u1ed1ng tia c\u1ef1c t\u00edm, v.v. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u00ean l\u1ef1a ch\u1ecdn s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t theo m\u1ee5c \u0111\u00edch . M\u1ed9t trong nh\u1eefng l\u00fd do cho s\u1ef1 \u0111a d\u1ea1ng c\u1ee7a c\u00e1c t\u00e1c nh\u00e2n t\u00ecnh d\u1ee5c.<\/p>\n
V\u00ed d\u1ee5, b\u1ed9t v\u00f4 c\u01a1 (ch\u1ea5t \u0111\u1ed9n ho\u1eb7c ch\u1ea5t 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 kh\u00e1c nhau \u0111\u00f2i h\u1ecfi \u0111\u1ed9 \u01b0a m\u1ee1 b\u1ec1 m\u1eb7t 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 v\u1eadt li\u1ec7u g\u1ed1c polymer h\u1eefu c\u01a1. , \u0111\u00f2i h\u1ecfi ph\u1ea3i l\u1ef1a ch\u1ecdn c\u00e1c ch\u1ea5t bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 l\u00e0m cho b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t v\u00f4 c\u01a1 k\u1ef5 n\u01b0\u1edbc v\u00e0 \u01b0a d\u1ea7u; \u0111\u1ed1i v\u1edbi c\u00e1c ch\u1ea5t m\u00e0u v\u00f4 c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ph\u00f4i g\u1ed1m, ch\u00fang kh\u00f4ng ch\u1ec9 y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 \u0111\u1ed9 ph\u00e2n t\u00e1n t\u1ed1t \u1edf tr\u1ea1ng th\u00e1i kh\u00f4 m\u00e0 c\u00f2n c\u1ea7n c\u00f3 \u00e1i l\u1ef1c v\u1edbi ph\u00f4i v\u00f4 c\u01a1. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u00e0 c\u00f3 th\u1ec3 ph\u00e2n t\u00e1n \u0111\u1ec1u trong ch\u1ed7 tr\u1ed1ng; \u0111\u1ed1i v\u1edbi c\u00e1c 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) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n ho\u1eb7c ch\u1ea5t ph\u1ee7 g\u1ed1c n\u01b0\u1edbc, c\u1ea7n c\u00f3 \u0111\u1ed9 ph\u00e2n t\u00e1n v\u00e0 \u1ed5n \u0111\u1ecbnh l\u1eafng \u0111\u1ecdng c\u1ee7a b\u1ed9t bi\u1ebfn t\u00ednh trong pha n\u01b0\u1edbc. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t.<\/p>\n