{"id":3824,"date":"2026-06-25T12:10:57","date_gmt":"2026-06-25T04:10:57","guid":{"rendered":"https:\/\/www.nonmetallic-ore.com\/?p=3824"},"modified":"2026-06-25T14:45:55","modified_gmt":"2026-06-25T06:45:55","slug":"understanding-calcium-carbonate-coating-process-a-complete-technical-guide","status":"publish","type":"post","link":"https:\/\/www.nonmetallic-ore.com\/vi\/understanding-calcium-carbonate-coating-process-a-complete-technical-guide\/","title":{"rendered":"Hi\u1ec3u r\u00f5 quy tr\u00ecnh ph\u1ee7 canxi cacbonat: H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt \u0111\u1ea7y \u0111\u1ee7"},"content":{"rendered":"

Qu\u00e1 tr\u00ecnh ph\u1ee7 canxi cacbonat l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 bi\u1ebfn c\u00e1c ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 th\u00f4ng th\u01b0\u1eddng th\u00e0nh c\u00e1c ch\u1ea5t ph\u1ee5 gia ch\u1ee9c n\u0103ng. B\u1eb1ng c\u00e1ch n\u00e0y, n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u composite polymer. B\u1ed9t canxi cacbonat th\u00f4 c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch k\u00e9m v\u1edbi c\u00e1c ma tr\u1eadn h\u1eefu c\u01a1, d\u1eabn \u0111\u1ebfn li\u00ean k\u1ebft giao di\u1ec7n y\u1ebfu v\u00e0 h\u1ea1n ch\u1ebf c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc. L\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i h\u00f3a h\u1ecdc b\u1ec1 m\u1eb7t c\u1ee7a h\u1ea1t, l\u00e0m cho n\u00f3 k\u1ef5 n\u01b0\u1edbc, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n v\u00e0 t\u0103ng c\u01b0\u1eddng \u00e1i l\u1ef1c v\u1edbi nh\u1ef1a. Vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb \u1ea3nh h\u01b0\u1edfng m\u1ea1nh m\u1ebd \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng l\u1edbp ph\u1ee7 cu\u1ed1i c\u00f9ng, v\u00e0 EPIC Powder cung c\u1ea5p c\u00e1c d\u00e2y chuy\u1ec1n s\u1eeda \u0111\u1ed5i li\u00ean t\u1ee5c ti\u00ean ti\u1ebfn mang l\u1ea1i \u0111\u1ed9 ph\u1ee7 \u0111\u1ed3ng \u0111\u1ec1u, t\u1ef7 l\u1ec7 k\u00edch ho\u1ea1t cao v\u00e0 ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng th\u1ea5p. H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u1ee7 ch\u00ednh v\u00e0 gi\u1ea3i th\u00edch c\u00e1ch m\u00e1y m\u00f3c c\u1ee7a EPIC t\u1ed1i \u01b0u h\u00f3a t\u1eebng b\u01b0\u1edbc.<\/p>\n\n\n\n

V\u00ec sao quy tr\u00ecnh ph\u1ee7 canxi cacbonat l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng polymer?<\/h2>\n\n\n\n
\"Bi\u1ebfn
Bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t canxi cacbonat<\/figcaption><\/figure>\n\n\n\n

Canxi cacbonat l\u00e0 ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t trong nh\u1ef1a, cao su, ch\u1ea5t k\u1ebft d\u00ednh, s\u01a1n v\u00e0 ch\u1ea5t tr\u00e1m k\u00edn. Tuy nhi\u00ean, c\u00e1c h\u1ea1t ch\u01b0a qua x\u1eed l\u00fd c\u00f3 t\u00ednh \u01b0a n\u01b0\u1edbc v\u00e0 ph\u00e2n c\u1ef1c, trong khi h\u1ea7u h\u1ebft c\u00e1c polyme l\u1ea1i kh\u00f4ng ph\u00e2n c\u1ef1c v\u00e0 k\u1ef5 n\u01b0\u1edbc. S\u1ef1 kh\u00f4ng ph\u00f9 h\u1ee3p n\u00e0y d\u1eabn \u0111\u1ebfn kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt k\u00e9m, v\u00f3n c\u1ee5c v\u00e0 hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc y\u1ebfu. Qu\u00e1 tr\u00ecnh ph\u1ee7 canxi cacbonat \u0111\u01b0a c\u00e1c ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t v\u00e0o, t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp h\u00f3a h\u1ecdc ho\u1eb7c v\u1eadt l\u00fd bao quanh m\u1ed7i h\u1ea1t. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t v\u00e0 t\u1ea1o ra l\u1ef1c \u0111\u1ea9y kh\u00f4ng gian ho\u1eb7c t\u0129nh \u0111i\u1ec7n. K\u1ebft qu\u1ea3 l\u00e0, ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c ph\u1ee7 ph\u00e2n t\u00e1n \u0111\u1ec1u, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp, c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t k\u00e9o. N\u00f3 c\u0169ng cho ph\u00e9p s\u1eed d\u1ee5ng h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n cao h\u01a1n m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng gia c\u00f4ng.<\/p>\n\n\n\n

Vi\u1ec7c bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t ch\u1ee7 y\u1ebfu d\u1ef1a v\u00e0o l\u1edbp ph\u1ee7 h\u00f3a h\u1ecdc, v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u01a1 h\u00f3a h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 c\u00e1c bi\u1ec7n ph\u00e1p h\u1ed7 tr\u1ee3 b\u1ed5 sung. C\u00e1c ch\u1ea5t bi\u1ebfn \u0111\u1ed5i ph\u1ed5 bi\u1ebfn bao g\u1ed3m axit stearic v\u00e0 c\u00e1c mu\u1ed1i c\u1ee7a n\u00f3, ch\u1ea5t li\u00ean k\u1ebft titanat, ch\u1ea5t li\u00ean k\u1ebft aluminat, ch\u1ea5t zirconium aluminat v\u00e0 nhi\u1ec1u lo\u1ea1i polyme kh\u00e1c nhau nh\u01b0 polypropylen kh\u00f4ng \u0111\u1ecbnh h\u00ecnh v\u00e0 s\u00e1p polyetylen. C\u00f3 c\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd kh\u00f4 v\u00e0 \u01b0\u1edbt. Ph\u01b0\u01a1ng ph\u00e1p t\u1ed1i \u01b0u ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i nguy\u00ean li\u1ec7u th\u00f4, \u1ee9ng d\u1ee5ng m\u1ee5c ti\u00eau v\u00e0 quy m\u00f4 s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

Thi\u1ebft b\u1ecb ph\u1ee7 li\u00ean t\u1ee5c c\u1ee7a EPIC Powder d\u00e0nh cho quy tr\u00ecnh ph\u1ee7 canxi cacbonat.<\/h2>\n\n\n\n
\"nh\u00e0
M\u00e1y s\u01a1n Pin Mill<\/a><\/figcaption><\/figure>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n trong quy tr\u00ecnh ph\u1ee7 canxi cacbonat, c\u1ea7n c\u00f3 thi\u1ebft b\u1ecb cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c, tr\u1ed9n m\u1ea1nh v\u00e0 th\u1eddi gian l\u01b0u \u0111\u1ee7 \u0111\u1ec3 ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh ph\u1ea3n \u1ee9ng ho\u00e0n to\u00e0n. EPIC Powder thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c d\u00e2y chuy\u1ec1n \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t li\u00ean t\u1ee5c kh\u1eafc ph\u1ee5c nh\u1eefng h\u1ea1n ch\u1ebf c\u1ee7a m\u00e1y tr\u1ed9n theo m\u1ebb v\u00e0 m\u00e1y nghi\u1ec1n truy\u1ec1n th\u1ed1ng. H\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 c\u1ea5u h\u00ecnh r\u00f4to-stator \u0111\u1ed9c \u0111\u00e1o t\u1ea1o ra l\u1ef1c c\u1eaft cao. N\u00f3 c\u00f3 th\u1ec3 ph\u00e1 v\u1ee1 c\u00e1c c\u1ee5m h\u1ea1t v\u00e0 ph\u00e2n ph\u1ed1i ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean m\u1ecdi b\u1ec1 m\u1eb7t. Vi\u1ec7c c\u1ea5p li\u1ec7u v\u00e0 x\u1ea3 li\u1ec7u t\u1ef1 \u0111\u1ed9ng \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, lo\u1ea1i b\u1ecf s\u1ef1 bi\u1ebfn \u0111\u1ed5i gi\u1eefa c\u00e1c m\u1ebb v\u00e0 n\u00e2ng cao ch\u1ec9 s\u1ed1 ho\u1ea1t h\u00f3a l\u00ean tr\u00ean 98%.<\/p>\n\n\n\n

M\u00e1y m\u00f3c c\u1ee7a EPIC c\u0169ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, t\u00edch h\u1ee3p l\u1edbp c\u00e1ch nhi\u1ec7t v\u00e0 h\u1ec7 th\u1ed1ng thu h\u1ed3i nhi\u1ec7t th\u1ea3i gi\u00fap gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng t\u1eeb 15\u201320% so v\u1edbi thi\u1ebft b\u1ecb th\u00f4ng th\u01b0\u1eddng. T\u00ednh linh ho\u1ea1t n\u00e0y gi\u00fap EPIC Powder tr\u1edf th\u00e0nh \u0111\u1ed1i t\u00e1c \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ea7n m\u1ed9t gi\u1ea3i ph\u00e1p linh ho\u1ea1t cho nhi\u1ec1u y\u00eau c\u1ea7u ph\u1ee7 s\u01a1n kh\u00e1c nhau.<\/p>\n\n\n\n

Quy tr\u00ecnh ph\u1ee7 canxi cacbonat b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p kh\u00f4 v\u1edbi axit stearic<\/h2>\n\n\n\n
\"M\u00e1y
M\u00e1y ph\u1ee7 Turbo Mill<\/a><\/figcaption><\/figure>\n\n\n\n

Axit stearic l\u00e0 ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t cho canxi cacbonat. N\u00f3 c\u00f3 gi\u00e1 th\u00e0nh th\u1ea5p, d\u1ec5 ki\u1ebfm v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng. Quy tr\u00ecnh ph\u1ee7 canxi cacbonat b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p kh\u00f4 th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c s\u1ea5y kh\u00f4 b\u1ed9t nguy\u00ean li\u1ec7u n\u1ebfu \u0111\u1ed9 \u1ea9m v\u01b0\u1ee3t qu\u00e1 1%, sau \u0111\u00f3 \u0111\u01b0a b\u1ed9t v\u00e0 axit stearic v\u00e0o m\u00e1y ph\u1ee7 c\u00f9ng l\u00fac. D\u00e2y chuy\u1ec1n li\u00ean t\u1ee5c c\u1ee7a EPIC Powder cho ph\u00e9p th\u00eam axit stearic d\u1ea1ng r\u1eafn tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n h\u00f2a tan tr\u01b0\u1edbc, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a thao t\u00e1c v\u00e0 gi\u1ea3m chi ph\u00ed dung m\u00f4i. Li\u1ec1u l\u01b0\u1ee3ng th\u01b0\u1eddng l\u00e0 0,8\u20131,2% kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n, t\u00f9y thu\u1ed9c v\u00e0o di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang v\u00e0 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t.<\/p>\n\n\n\n

Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c quy tr\u00ecnh theo m\u1ebb nh\u01b0 m\u00e1y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c m\u00e1y tr\u1ed9n c\u00e1nh khu\u1ea5y ngang y\u00eau c\u1ea7u ph\u1ea3i c\u00e2n tr\u01b0\u1edbc t\u1ea5t c\u1ea3 c\u00e1c nguy\u00ean li\u1ec7u, cho ch\u00fang v\u00e0o c\u00f9ng m\u1ed9t l\u00fac v\u00e0 tr\u1ed9n trong 15\u201360 ph\u00fat \u1edf kho\u1ea3ng 100\u00b0C. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ch\u1eadm h\u01a1n v\u00e0 \u0111\u1ed9 l\u1eb7p l\u1ea1i th\u1ea5p h\u01a1n. Tuy nhi\u00ean, khi s\u1eed d\u1ee5ng d\u00e2y chuy\u1ec1n li\u00ean t\u1ee5c t\u1eeb EPIC Powder, b\u1ea1n s\u1ebd \u0111\u1ea1t \u0111\u01b0\u1ee3c n\u0103ng su\u1ea5t cao h\u01a1n, \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t nhi\u1ec7t \u0111\u1ed9 t\u1ed1t h\u01a1n v\u00e0 l\u1edbp ph\u1ee7 \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n v\u00ec c\u00e1c h\u1ea1t v\u00e0 ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c li\u00ean t\u1ee5c l\u00e0m m\u1edbi trong v\u00f9ng ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n

Quy tr\u00ecnh ph\u1ee7 canxi cacbonat b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt cho PCC si\u00eau m\u1ecbn<\/h2>\n\n\n\n

\u0110\u1ed1i v\u1edbi canxi cacbonat k\u1ebft t\u1ee7a (PCC) v\u00e0 canxi cacbonat si\u00eau m\u1ecbn nghi\u1ec1n \u01b0\u1edbt (GCC), quy tr\u00ecnh ph\u1ee7 canxi cacbonat b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt mang l\u1ea1i nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i. Trong quy tr\u00ecnh n\u00e0y, axit stearic \u0111\u01b0\u1ee3c x\u00e0 ph\u00f2ng h\u00f3a v\u1edbi natri hydroxit \u0111\u1ec3 t\u1ea1o th\u00e0nh stearat tan trong n\u01b0\u1edbc, sau \u0111\u00f3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o h\u1ed7n h\u1ee3p huy\u1ec1n ph\u00f9 canxi cacbonat trong n\u01b0\u1edbc. Ph\u1ea3n \u1ee9ng di\u1ec5n ra trong c\u00e1c b\u1ec3 khu\u1ea5y ho\u1eb7c m\u00e1y tr\u1ed9n t\u0129nh, th\u01b0\u1eddng \u1edf nhi\u1ec7t \u0111\u1ed9 50\u2013100\u00b0C, ti\u1ebfp theo l\u00e0 qu\u00e1 tr\u00ecnh l\u1ecdc, s\u1ea5y kh\u00f4 v\u00e0 ph\u00e2n t\u00e1ch c\u00e1c c\u1ee5m h\u1ea1t.<\/p>\n\n\n\n

Ph\u00e2n t\u00e1n pha l\u1ecfng v\u1ed1n d\u0129 hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi tr\u1ed9n kh\u00f4 v\u00ec c\u00e1c h\u1ea1t \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00e1ch r\u1eddi, v\u00e0 vi\u1ec7c b\u1ed5 sung ch\u1ea5t ph\u00e2n t\u00e1n c\u00e0ng l\u00e0m t\u0103ng th\u00eam t\u00ednh \u0111\u1ed3ng nh\u1ea5t. L\u1edbp stearat h\u1ea5p ph\u1ee5 l\u00e0m gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t, do \u0111\u00f3 b\u00e3 l\u1ecdc kh\u00f4ng t\u1ea1o th\u00e0nh c\u00e1c kh\u1ed1i c\u1ee9ng; n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n l\u1ea1i b\u1eb1ng l\u1ef1c c\u1eaft nh\u1eb9 sau khi s\u1ea5y kh\u00f4. EPIC Powder cung c\u1ea5p c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng khu\u1ea5y m\u1ea1nh m\u1ebd v\u1edbi kh\u1ea3 n\u0103ng khu\u1ea5y tr\u1ed9n hi\u1ec7u qu\u1ea3 gi\u00fap r\u00fat ng\u1eafn th\u1eddi gian ph\u1ea3n \u1ee9ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 ph\u1ee7. Thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i c\u0169ng cho ph\u00e9p d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng quy m\u00f4 t\u1eeb giai \u0111o\u1ea1n th\u00ed \u0111i\u1ec3m l\u00ean s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng ch\u1ea5t li\u00ean k\u1ebft trong quy tr\u00ecnh ph\u1ee7 canxi cacbonat<\/h2>\n\n\n\n
\"M\u00e1y
M\u00e1y s\u01a1n ba con l\u0103n<\/a><\/figcaption><\/figure>\n\n\n\n

C\u00e1c ch\u1ea5t li\u00ean k\u1ebft t\u1ea1o ra li\u00ean k\u1ebft c\u1ed9ng h\u00f3a tr\u1ecb ho\u1eb7c li\u00ean k\u1ebft hydro m\u1ea1nh gi\u1eefa ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 v\u00e0 polyme h\u1eefu c\u01a1, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u00e1c c\u1ea7u n\u1ed1i ph\u00e2n t\u1eed gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u composite. Quy tr\u00ecnh ph\u1ee7 canxi cacbonat th\u01b0\u1eddng s\u1eed d\u1ee5ng hai lo\u1ea1i ch\u1ea5t li\u00ean k\u1ebft: titanat v\u00e0 aluminat. Titanat \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 trong quy tr\u00ecnh kh\u00f4, n\u01a1i ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c pha lo\u00e3ng v\u1edbi c\u00e1c dung m\u00f4i tr\u01a1 nh\u01b0 d\u1ea7u tr\u1eafng ho\u1eb7c ete d\u1ea7u m\u1ecf v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c phun v\u00e0o m\u00e1y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao. D\u00e2y chuy\u1ec1n li\u00ean t\u1ee5c c\u1ee7a EPIC Powder c\u00f3 th\u1ec3 x\u1eed l\u00fd titanat kh\u00f4ng pha lo\u00e3ng nh\u1edd kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n v\u01b0\u1ee3t tr\u1ed9i, ti\u1ebft ki\u1ec7m chi ph\u00ed dung m\u00f4i v\u00e0 gi\u1ea3m ph\u00e1t th\u1ea3i VOC.<\/p>\n\n\n\n

Li\u1ec1u l\u01b0\u1ee3ng ch\u1ea5t ph\u1ee5 gia titanat th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,5% \u0111\u1ebfn 3,0% so v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n, v\u00e0 nhi\u1ec7t \u0111\u1ed9 s\u1ea5y n\u00ean \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c 100\u2013120\u00b0C, th\u1ea5p h\u01a1n \u0111i\u1ec3m ch\u1edbp ch\u00e1y c\u1ee7a ch\u1ea5t ph\u1ee5 gia. Canxi cacbonat \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng titanat t\u1ea1o ra c\u00e1c li\u00ean k\u1ebft giao di\u1ec7n m\u1ea1nh m\u1ebd, l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp, \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a v\u1eadt li\u1ec7u composite cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n

C\u00e1c ch\u1ea5t li\u00ean k\u1ebft aluminat \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ec7 th\u1ed1ng PVC, PP v\u00e0 PE. Ch\u00fang l\u00e0m gi\u1ea3m \u0111\u1ed9 nh\u1edbt c\u1ee7a h\u1ed7n h\u1ee3p CaCO\u2083\u2013parafin l\u1ecfng, cho th\u1ea5y kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n tuy\u1ec7t v\u1eddi. Khi ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng aluminat \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u00e0o polypropylen, h\u1ed7n h\u1ee3p cho th\u1ea5y \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. H\u1ec7 th\u1ed1ng li\u00ean k\u1ebft h\u1ed7n h\u1ee3p k\u1ebft h\u1ee3p titanat v\u1edbi axit stearic v\u00e0 c\u00e1c ch\u1ea5t li\u00ean k\u1ebft ngang nh\u01b0 bismaleimide \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u \u1ee9ng hi\u1ec7p \u0111\u1ed3ng \u0111\u1ed3ng th\u1eddi gi\u1ea3m l\u01b0\u1ee3ng ch\u1ea5t li\u00ean k\u1ebft s\u1eed d\u1ee5ng v\u00e0 chi ph\u00ed t\u1ed5ng th\u1ec3. M\u00e1y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao c\u1ee7a EPIC Powder \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u, do \u0111\u00f3 m\u1ed7i h\u1ea1t \u0111\u1ec1u nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 x\u1eed l\u00fd b\u1ec1 m\u1eb7t ho\u00e0n ch\u1ec9nh.<\/p>\n\n\n\n

L\u1edbp ph\u1ee7 polyme v\u00e0 h\u1ea1t m\u00e0u trong quy tr\u00ecnh ph\u1ee7 canxi cacbonat<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Polyme cung c\u1ea5p m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c thay th\u1ebf cho qu\u00e1 tr\u00ecnh ph\u1ee7 canxi cacbonat, \u0111\u1eb7c bi\u1ec7t khi c\u1ea7n \u1ed5n \u0111\u1ecbnh kh\u00f4ng gian v\u0129nh vi\u1ec5n. C\u00e1c polyme ph\u1ee7 ph\u1ed5 bi\u1ebfn bao g\u1ed3m polymetyl metacrylat (PMMA), polyetylen glycol, polyvinyl r\u01b0\u1ee3u, axit polyacrylic v\u00e0 polypropylen. C\u00f3 hai quy tr\u00ecnh c\u01a1 b\u1ea3n: (1) h\u1ea5p th\u1ee5 monome l\u00ean b\u1ec1 m\u1eb7t h\u1ea1t v\u00e0 sau \u0111\u00f3 tr\u00f9ng h\u1ee3p t\u1ea1i ch\u1ed7, ho\u1eb7c (2) h\u00f2a tan polyme trong dung m\u00f4i, ti\u1ebfp x\u00fac v\u1edbi b\u1ed9t v\u00e0 l\u00e0m bay h\u01a1i dung m\u00f4i \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp m\u00e0ng m\u1ecfng.<\/p>\n\n\n\n

C\u00e1c l\u1edbp polymer n\u00e0y ng\u0103n ng\u1eeba s\u1ef1 k\u1ebft t\u1ee5 h\u1ea1t th\u00f4ng qua c\u1ea3n tr\u1edf kh\u00f4ng gian, c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh ph\u00e2n t\u00e1n l\u00e2u d\u00e0i trong c\u00e1c c\u00f4ng th\u1ee9c d\u1ea1ng l\u1ecfng v\u00e0 n\u00f3ng ch\u1ea3y. S\u1ea3n xu\u1ea5t h\u1ea1t nh\u1ef1a t\u1ed5ng h\u1ee3p l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh, trong \u0111\u00f3 quy tr\u00ecnh ph\u1ee7 canxi cacbonat \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi ch\u1ea5t mang nh\u1ef1a. \u0110\u1ed1i v\u1edbi h\u1ea1t nh\u1ef1a t\u1ed5ng h\u1ee3p APP, canxi cacbonat ho\u1ea1t t\u00ednh \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi polypropylen kh\u00f4ng \u0111\u1ecbnh h\u00ecnh \u1edf t\u1ef7 l\u1ec7 t\u1eeb 1:3 \u0111\u1ebfn 1:10. D\u00e2y chuy\u1ec1n tr\u1ed9n li\u00ean t\u1ee5c c\u1ee7a EPIC Powder \u0111\u1ea3m b\u1ea3o tr\u1ed9n k\u1ef9 v\u00e0 bao b\u1ecdc \u0111\u1ed3ng nh\u1ea5t, t\u1ea1o ra c\u00e1c h\u1ea1t nh\u1ef1a t\u1ed5ng h\u1ee3p ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0ng, \u1ed1ng v\u00e0 th\u00f9ng ch\u1ee9a.<\/p>\n\n\n\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn \u0111\u1ed5i v\u00f4 c\u01a1 v\u00e0 h\u1ed7 tr\u1ee3 b\u1eb1ng plasma<\/h2>\n\n\n\n

B\u00ean c\u1ea1nh c\u00e1c l\u1edbp ph\u1ee7 h\u1eefu c\u01a1, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00f4 c\u01a1 c\u0169ng c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee5 th\u1ec3 v\u1ec1 hi\u1ec7u n\u0103ng. Axit photphoric c\u00f4 \u0111\u1eb7c l\u00e0m gi\u1ea3m \u0111\u1ed9 pH b\u1ec1 m\u1eb7t c\u1ee7a canxi cacbonat t\u1eeb tr\u00ean 9 xu\u1ed1ng c\u00f2n t\u1eeb 5,0 \u0111\u1ebfn 8,0, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 l\u00e0m cho ch\u1ea5t \u0111\u1ed9n ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng polyme c\u00f3 t\u00ednh axit. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c l\u00e0 \u0111\u01b0a th\u00eam k\u1ebdm sunfat v\u00e0 th\u1ee7y tinh l\u1ecfng v\u00e0o trong b\u01b0\u1edbc cacbon h\u00f3a, gi\u00fap t\u0103ng c\u01b0\u1eddng t\u00ednh ch\u1ea5t gia c\u01b0\u1eddng cao su c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n

X\u1eed l\u00fd plasma trong m\u00f4i tr\u01b0\u1eddng argon-propylene \u00e1p su\u1ea5t th\u1ea5p t\u1ea1o ra m\u1ed9t l\u1edbp h\u1eefu c\u01a1 kh\u00f4ng ph\u00e2n c\u1ef1c tr\u00ean GCC 1250-mesh, l\u00e0m gi\u1ea3m \u0111\u1ed9 ph\u00e2n c\u1ef1c b\u1ec1 m\u1eb7t v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00e1m d\u00ednh v\u1edbi polypropylene. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ti\u00ean ti\u1ebfn n\u00e0y \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch t\u00f9y ch\u1ec9nh c\u00e1c d\u00e2y chuy\u1ec1n ph\u1ee7 ti\u00eau chu\u1ea9n c\u1ee7a EPIC Powder, mang l\u1ea1i cho b\u1ea1n s\u1ef1 linh ho\u1ea1t \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c c\u00f4ng th\u1ee9c m\u1edbi.<\/p>\n\n\n\n

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