{"id":4547,"date":"2026-01-30T15:27:22","date_gmt":"2026-01-30T07:27:22","guid":{"rendered":"https:\/\/www.superfinemill.com\/?p=4547"},"modified":"2026-01-30T15:27:25","modified_gmt":"2026-01-30T07:27:25","slug":"decoding-lithium-hectorite-the-white-powder-that-makes-products-stand-tall","status":"publish","type":"post","link":"https:\/\/www.superfinemill.com\/vi\/decoding-lithium-hectorite-the-white-powder-that-makes-products-stand-tall\/","title":{"rendered":"Gi\u1ea3i m\u00e3 Lithium Hectorite: Lo\u1ea1i b\u1ed9t tr\u1eafng gi\u00fap s\u1ea3n ph\u1ea9m "n\u1ed5i b\u1eadt""},"content":{"rendered":"

B\u1ea1n \u0111\u00e3 bao gi\u1edd t\u1ef1 h\u1ecfi t\u1ea1i sao c\u00e1c lo\u1ea1i s\u01a1n cao c\u1ea5p kh\u00f4ng b\u1ecb ch\u1ea3y khi s\u01a1n l\u00ean t\u01b0\u1eddng? T\u1ea1i sao kem \u0111\u00e1nh r\u0103ng ch\u1ea5t l\u01b0\u1ee3ng cao gi\u1eef nguy\u00ean h\u00ecnh d\u1ea1ng tr\u00ean b\u00e0n ch\u1ea3i m\u00e0 kh\u00f4ng b\u1ecb x\u1eb9p? T\u1ea1i sao m\u1ed9t s\u1ed1 lo\u1ea1i kem d\u01b0\u1ee1ng da v\u00e0 kem d\u01b0\u1ee1ng th\u1ec3 v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ecbn, \u0111\u1ed3ng nh\u1ea5t v\u00e0 kh\u00f4ng b\u1ecb t\u00e1ch l\u1edbp hay nh\u1eddn theo th\u1eddi gian? \u0110\u1eb1ng sau nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng ng\u00e0y n\u00e0y th\u01b0\u1eddng l\u00e0 m\u1ed9t "ki\u1ebfn tr\u00fac s\u01b0 v\u00f4 h\u00ecnh" khi\u00eam t\u1ed1n nh\u01b0ng m\u1ea1nh m\u1ebd - lithium hectorite (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hectorite t\u1ed5ng h\u1ee3p, Laponite\u00ae, ho\u1eb7c c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 TY-200S).<\/p>\n\n\n\n

1. Ch\u00ednh x\u00e1c th\u00ec n\u00f3 l\u00e0 g\u00ec?<\/h3>\n\n\n\n

Lithium hectorite (v\u00ed d\u1ee5: TY-200S, Laponite\u00ae RD, Hectgel RD, ho\u1eb7c c\u00e1c lo\u1ea1i t\u01b0\u01a1ng t\u1ef1) l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u1ea5t s\u00e9t nano silicat l\u1edbp t\u1ed5ng h\u1ee3p, c\u00f3 d\u1ea1ng h\u1ea1t m\u1ecbn, b\u1ed9t tr\u1eafng tinh khi\u1ebft<\/a>S\u1ea3n ph\u1ea9m kh\u00f4ng \u0111\u1ed9c h\u1ea1i, kh\u00f4ng m\u00f9i, kh\u00f4ng g\u00e2y k\u00edch \u1ee9ng v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 m\u1ef9 ph\u1ea9m, s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c c\u00e1 nh\u00e2n v\u00e0 v\u1eadt li\u1ec7u ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m.<\/p>\n\n\n\n

Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc \u0111i\u1ec3n h\u00ecnh c\u1ee7a n\u00f3 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Na\u207a\u2080.\u2087[(Si\u2088Mg\u2085.\u2085Li\u2080.\u2083)O\u2082\u2080(OH)\u2084], thu\u1ed9c h\u1ecd hectorit t\u1ed5ng h\u1ee3p (m\u1ed9t lo\u1ea1i \u0111\u1ea5t s\u00e9t smectit ba b\u00e1t di\u1ec7n). C\u00e1c h\u1ea1t l\u00e0 c\u00e1c t\u1ea5m nano si\u00eau m\u1ecfng, h\u00ecnh \u0111\u0129a (\u0111\u01b0\u1eddng k\u00ednh ~25\u201350 nm, \u0111\u1ed9 d\u00e0y ~1 nm), c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang r\u1ea5t l\u1edbn v\u00e0 \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n t\u00edch b\u1ec1 m\u1eb7t \u0111\u1ed9c \u0111\u00e1o (\u00e2m \u1edf c\u00e1c m\u1eb7t, d\u01b0\u01a1ng \u1edf c\u00e1c c\u1ea1nh).<\/p>\n\n\n\n

Khi ph\u00e2n t\u00e1n trong n\u01b0\u1edbc, c\u00e1c t\u1ea5m nano n\u00e0y nhanh ch\u00f3ng ng\u1eadm n\u01b0\u1edbc, t\u00e1ch l\u1edbp v\u00e0 t\u1ef1 l\u1eafp r\u00e1p th\u00f4ng qua t\u01b0\u01a1ng t\u00e1c t\u0129nh \u0111i\u1ec7n v\u00e0 li\u00ean k\u1ebft hydro th\u00e0nh c\u1ea5u tr\u00fac m\u1ea1ng l\u01b0\u1edbi ba chi\u1ec1u d\u1ea1ng "nh\u00e0 x\u1ebfp b\u00e0i". \u0110i\u1ec1u n\u00e0y gi\u1eef l\u1ea1i m\u1ed9t l\u01b0\u1ee3ng l\u1edbn n\u01b0\u1edbc, t\u1ea1o th\u00e0nh gel trong su\u1ed1t ho\u1eb7c b\u00e1n trong su\u1ed1t. Qu\u00e1 tr\u00ecnh "bi\u1ebfn \u0111\u1ed5i nh\u1edd n\u01b0\u1edbc" n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 nh\u1edbt, ch\u1ea5t l\u00e0m \u0111\u1eb7c, ch\u1ea5t t\u1ea1o huy\u1ec1n ph\u00f9 v\u00e0 ch\u1ea5t \u1ed5n \u0111\u1ecbnh l\u00fd t\u01b0\u1edfng trong nhi\u1ec1u h\u1ec7 th\u1ed1ng dung d\u1ecbch n\u01b0\u1edbc.<\/p>\n\n\n\n

2. T\u1ea1i sao n\u00f3 l\u1ea1i hi\u1ec7u qu\u1ea3 \u0111\u1ebfn v\u1eady? Ph\u00e2n t\u00edch c\u01a1 ch\u1ebf c\u1ed1t l\u00f5i<\/h3>\n\n\n\n
\"microstructure<\/figure>\n\n\n\n

\u201c\u0110i\u1ec1u k\u1ef3 di\u1ec7u\u201d c\u1ee7a lithium hectorite b\u1eaft ngu\u1ed3n t\u1eeb ba \u0111\u1eb7c t\u00ednh ch\u00ednh:<\/p>\n\n\n\n

    \n
  1. C\u1ea5u tr\u00fac \u201cb\u00e1nh ng\u1ecdt nhi\u1ec1u l\u1edbp\u201d nano \u0111\u1ed9c \u0111\u00e1o + M\u1ea1ng l\u01b0\u1edbi nh\u00e0 b\u1eb1ng b\u00e0i t\u00e2y<\/strong> C\u00e1c t\u1ea5m nano \u0111\u01b0\u1ee3c t\u00e1ch l\u1edbp t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ng l\u01b0\u1edbi li\u00ean k\u1ebft ch\u00e9o 3D trong n\u01b0\u1edbc, v\u1edbi c\u00e1c c\u1ea1nh (\u0111i\u1ec7n t\u00edch d\u01b0\u01a1ng) h\u00fat c\u00e1c m\u1eb7t (\u0111i\u1ec7n t\u00edch \u00e2m). \u0110i\u1ec1u n\u00e0y t\u1ea1o ra v\u00f4 s\u1ed1 khung vi m\u00f4 gi\u1eef n\u01b0\u1edbc v\u00e0 c\u00e1c h\u1ea1t, t\u1ea1o ra \u0111\u1ed9 nh\u1edbt cao v\u00e0 \u1ee9ng su\u1ea5t ch\u1ea3y d\u1ebbo\u2014l\u00e0m cho h\u1ec7 th\u1ed1ng "\u0111\u1ee9ng v\u1eefng" khi \u1edf tr\u1ea1ng th\u00e1i ngh\u1ec9.<\/li>\n\n\n\n
  2. T\u00ednh ch\u1ea5t thixotropy tuy\u1ec7t v\u1eddi \u2014 \u201c\u1ed4n \u0111\u1ecbnh khi \u0111\u1ee9ng y\u00ean, l\u1ecfng khi b\u1ecb c\u1eaft\u201d<\/strong>\n