{"id":4021,"date":"2025-05-27T15:29:07","date_gmt":"2025-05-27T07:29:07","guid":{"rendered":"https:\/\/www.superfinemill.com\/?p=4021"},"modified":"2025-05-27T15:29:10","modified_gmt":"2025-05-27T07:29:10","slug":"what-types-of-calcium-carbonate-are-used-in-paint","status":"publish","type":"post","link":"https:\/\/www.superfinemill.com\/vi\/what-types-of-calcium-carbonate-are-used-in-paint\/","title":{"rendered":"Nh\u1eefng lo\u1ea1i canxi cacbonat n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1n?"},"content":{"rendered":"

Canxi cacbonat<\/a> l\u00e0 ch\u1ea5t \u0111\u1ed9n quan tr\u1ecdng trong s\u1ea3n xu\u1ea5t s\u01a1n. \u0110\u1ed9 m\u1ecbn v\u00e0 ph\u00e2n b\u1ed1 h\u1ea1t quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 trong su\u1ed1t c\u1ee7a s\u01a1n. Canxi cacbonat c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft t\u1ed1t, ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t \u0111i\u1ec7n ph\u00e2n th\u1ea5p. N\u00f3 cung c\u1ea5p \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh pH, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1eb7c t\u00ednh l\u01b0u bi\u1ebfn. Canxi cacbonat c\u0169ng r\u1ea5t quan tr\u1ecdng trong l\u1edbp ph\u1ee7 g\u1ed1c n\u01b0\u1edbc, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t kh\u00f4 nhanh. N\u00f3 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00e1nh d\u1ea5u \u0111\u01b0\u1eddng.<\/p>\n\n\n\n

\"Calcium<\/figure>\n\n\n\n

Ngo\u00e0i ra, s\u1eed d\u1ee5ng canxi cacbonat trong s\u01a1n c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m l\u01b0\u1ee3ng titan dioxit, mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf. \u0110i\u1ec1u n\u00e0y s\u1ebd th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng canxi cacbonat trong l\u1edbp ph\u1ee7.<\/p>\n\n\n\n

Canxi cacbonat<\/a> cho s\u01a1n m\u1ee7 cao su<\/h2>\n\n\n\n
\"Calcium<\/figure>\n\n\n\n

Canxi cacbonat c\u00f3 m\u1ed9t m\u1ee9c \u0111\u1ed9 che ph\u1ee7 nh\u1ea5t \u0111\u1ecbnh. Trong s\u01a1n latex, c\u00e1c s\u1ea3n ph\u1ea9m si\u00eau m\u1ecbn th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, v\u1edbi li\u1ec1u l\u01b0\u1ee3ng 10%-50%. Khi k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a n\u00f3 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 titanium dioxide, n\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u \u1ee9ng che ph\u1ee7 c\u1ee7a titanium dioxide. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m chi ph\u00ed s\u01a1n latex, l\u00e0m cho s\u01a1n m\u1ecbn h\u01a1n, \u0111\u1ed3ng \u0111\u1ec1u h\u01a1n v\u00e0 c\u00f3 \u0111\u1ed9 tr\u1eafng cao h\u01a1n. N\u00f3 c\u0169ng t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n m\u00e0ng s\u01a1n, kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc, ch\u1ed1ng kh\u00f4 v\u00e0 ch\u1ed1ng c\u1ecd r\u1eeda.<\/p>\n\n\n\n

V\u00ed d\u1ee5, b\u1ed9t canxi cacbonat si\u00eau m\u1ecbn l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian ph\u00e2n t\u00e1n v\u00e0 nghi\u1ec1n trong s\u1ea3n xu\u1ea5t s\u01a1n latex. N\u00f3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng che ph\u1ee7, t\u0103ng \u0111\u1ed9 nh\u1edbt c\u1ee7a latex, gi\u1ea3m l\u01b0\u1ee3ng titan dioxide s\u1eed d\u1ee5ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ch\u00e0 nh\u00e1m b\u1ed9t tr\u00e9t.<\/p>\n\n\n\n

Khi thi\u1ebft k\u1ebf c\u00f4ng th\u1ee9c s\u01a1n, s\u01a1n latex hi\u1ec7u su\u1ea5t cao s\u1eed d\u1ee5ng canxi cacbonat nh\u1eb9 si\u00eau m\u1ecbn, trong khi s\u01a1n ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p h\u01a1n s\u1eed d\u1ee5ng canxi cacbonat n\u1eb7ng t\u01b0\u01a1ng \u0111\u1ed1i th\u00f4, \u00edt th\u1ea5m d\u1ea7u.<\/p>\n\n\n\n

Canxi cacbonat cho s\u01a1n \u00f4 t\u00f4<\/h2>\n\n\n\n
\"Calcium<\/figure>\n\n\n\n

Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh xe, g\u1ea7m xe v\u00e0 ch\u1eafn b\u00f9n b\u00e1nh xe th\u01b0\u1eddng xuy\u00ean ch\u1ecbu t\u00e1c \u0111\u1ed9ng v\u00e0 r\u1eeda tr\u00f4i c\u1ee7a b\u00f9n, s\u1ecfi, n\u01b0\u1edbc th\u1ea3i. Do \u0111\u00f3, l\u1edbp ph\u1ee7 tr\u00ean b\u1ec1 m\u1eb7t n\u1ec1n d\u1ec5 b\u1ecb h\u01b0 h\u1ecfng, m\u1ea5t kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, khi\u1ebfn n\u1ec1n b\u1ecb r\u1ec9 s\u00e9t v\u00e0 cu\u1ed1i c\u00f9ng b\u1ecb th\u1ee7ng.<\/p>\n\n\n\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, c\u1ea7n \u00e1p d\u1ee5ng l\u1edbp ph\u1ee7 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a c\u00e1t v\u00e0 \u0111\u00e1 v\u00e0 ch\u1ed1ng \u0103n m\u00f2n cho nh\u1eefng khu v\u1ef1c n\u00e0y. PVC plastisol l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1n g\u1ea7m \u00f4 t\u00f4, ch\u1ee7 y\u1ebfu bao g\u1ed3m nh\u1ef1a PVC d\u1ea1ng s\u1ec7t, ch\u1ea5t h\u00f3a d\u1ebbo, ch\u1ea5t \u0111\u1ed9n (CaCO3), ch\u1ea5t \u1ed5n \u0111\u1ecbnh, ch\u1ea5t l\u00e0m d\u00ednh, dung m\u00f4i v\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia kh\u00e1c.<\/p>\n\n\n\n

Canxi cacbonat<\/a> chi\u1ebfm g\u1ea7n 30% trong t\u1ed5ng th\u00e0nh ph\u1ea7n (s\u1ed1 l\u01b0\u1ee3ng c\u1ee5 th\u1ec3 t\u00f9y thu\u1ed9c v\u00e0o c\u00f4ng th\u1ee9c) v\u00e0 vi\u1ec7c b\u1ed5 sung nano-canxi cacbonat c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u00e1c \u0111\u1eb7c t\u00ednh l\u01b0u bi\u1ebfn c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp c\u1ee7a m\u00e0ng so v\u1edbi CaCO3 th\u00f4ng th\u01b0\u1eddng. Trong l\u1edbp ph\u1ee7 g\u1ea7m xe \u00f4 t\u00f4, quy tr\u00ecnh phun \u0111\u00f2i h\u1ecfi ph\u1ea3i phun d\u1ec5 d\u00e0ng, \u0111\u1ed9 nh\u1edbt th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ea3y t\u1ed1t, trong khi sau khi phun, c\u1ea7n c\u00f3 \u0111\u1ed9 nh\u1edbt cao \u0111\u1ec3 tr\u00e1nh ch\u1ea3y x\u1ec7 v\u00e0 nh\u1ecf gi\u1ecdt.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi l\u1edbp ph\u1ee7 ph\u1ea3i c\u00f3 \u0111\u1ed9 nh\u1edbt th\u1ea5p d\u01b0\u1edbi t\u1ed1c \u0111\u1ed9 c\u1eaft cao \u0111\u1ec3 d\u1ec5 phun v\u00e0 san ph\u1eb3ng, \u0111\u1ed3ng th\u1eddi duy tr\u00ec \u0111\u1ed9 nh\u1edbt cao d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n c\u1eaft th\u1ea5p ho\u1eb7c t\u0129nh \u0111\u1ec3 ng\u0103n ng\u1eeba l\u1eafng \u0111\u1ecdng v\u00e0 nh\u1ecf gi\u1ecdt. T\u00ednh ch\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u00ednh l\u01b0u bi\u1ebfn, v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m nano-canxi cacbonat \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u n\u00e0y v\u1ec1 m\u1eb7t \u1ee9ng d\u1ee5ng v\u00e0 hi\u1ec7u su\u1ea5t c\u1ea5u tr\u00fac.<\/p>\n\n\n\n

T\u00ednh n\u0103ng \u0111\u1eb7c bi\u1ec7t c\u1ee7a nano canxi cacbonat d\u00f9ng cho l\u1edbp ph\u1ee7 g\u1ea7m xe \u00f4 t\u00f4: m\u1ee9c \u0111\u1ed9 ho\u1ea1t h\u00f3a cao v\u00e0 t\u00ednh l\u01b0u bi\u1ebfn t\u1ed1t.<\/p>\n\n\n\n

Canxi cacbonat cho m\u1ef1c<\/h2>\n\n\n\n
\"Calcium<\/figure>\n\n\n\n

Trong m\u1ef1c in, canxi cacbonat ch\u1ee7 y\u1ebfu \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t \u0111\u1ed9n \u0111\u1ec3 gi\u1ea3m chi ph\u00ed v\u00e0 t\u0103ng th\u1ec3 t\u00edch. Canxi cacbonat si\u00eau m\u1ecbn hi\u1ec7u su\u1ea5t cao th\u01b0\u1eddng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u, v\u1edbi c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m nh\u01b0 k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn (0,02-1,0 \u03bcm), di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 d\u1ea7u cao, \u0111\u1ed9 trong su\u1ed1t t\u1ed1t, \u0111\u1ed9 s\u00e1ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

Trong \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, CaCO3 nano-light ho\u1eb7c canxi cacbonat nano ho\u1ea1t h\u00f3a l\u00e0 ph\u00f9 h\u1ee3p nh\u1ea5t. Tuy nhi\u00ean, canxi cacbonat nano ho\u1ea1t h\u00f3a \u0111\u1eaft ti\u1ec1n, v\u00ec v\u1eady h\u1ea7u h\u1ebft s\u1ea3n xu\u1ea5t m\u1ef1c \u0111\u1ec1u s\u1eed d\u1ee5ng canxi cacbonat nano.<\/p>\n\n\n\n

M\u1ef1c l\u00e0m t\u1eeb canxi cacbonat ho\u1ea1t t\u00ednh c\u00f3 \u0111\u1ed9 \u0111\u1eb7c v\u00e0 \u0111\u1ed9 nh\u1edbt t\u1ed1t, hi\u1ec7u su\u1ea5t in tuy\u1ec7t v\u1eddi, kh\u00f4 nhanh v\u00e0 kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng ph\u1ee5.
Do c\u00f3 c\u00e1c h\u1ea1t nh\u1ecf n\u00ean n\u00f3 th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n, \u0111\u1ed9 trong su\u1ed1t, \u0111\u1ed9 b\u00f3ng, \u0111\u1ed9 m\u1edd \u0111\u1ee5c tuy\u1ec7t v\u1eddi, c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 m\u1ef1c v\u00e0 l\u00e0m kh\u00f4 tuy\u1ec7t v\u1eddi, l\u00e0m cho c\u00e1c s\u1ea3n ph\u1ea9m in m\u1ecbn v\u00e0 c\u00f3 c\u1ea5u tr\u00fac ch\u1ea5m ho\u00e0n ch\u1ec9nh. \u0110\u1eb7c bi\u1ec7t l\u00e0 sau khi ch\u1ea5t k\u1ebft d\u00ednh nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong m\u1ef1c, canxi cacbonat ho\u1ea1t t\u00ednh, v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh tuy\u1ec7t v\u1eddi, \u0111\u00e3 g\u1ea7n nh\u01b0 thay th\u1ebf c\u00e1c ch\u1ea5t \u0111\u1ed9n kh\u00e1c.<\/p>\n\n\n\n

Hi\u1ec7n nay, ch\u1ea5t \u0111\u1ed9n m\u1ef1c cao c\u1ea5p ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng canxi cacbonat si\u00eau m\u1ecbn, ph\u1ea3i \u0111\u01b0\u1ee3c ho\u1ea1t h\u00f3a, c\u00f3 d\u1ea1ng tinh th\u1ec3 h\u00ecnh c\u1ea7u ho\u1eb7c h\u00ecnh kh\u1ed1i.<\/p>\n\n\n\n

Canxi cacbonat cho s\u01a1n t\u0129nh \u0111i\u1ec7n<\/h2>\n\n\n\n

S\u01a1n b\u1ed9t th\u01b0\u1eddng ch\u1ee9a ch\u1ea5t \u0111\u1ed9n c\u00f3 kim lo\u1ea1i n\u1eb7ng, kh\u00f4ng \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u1ec1 h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i n\u1eb7ng. \u0110\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m xu\u1ea5t kh\u1ea9u sang Ch\u00e2u \u00c2u v\u00e0 Hoa K\u1ef3, y\u00eau c\u1ea7u v\u1ec1 h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i n\u1eb7ng r\u1ea5t nghi\u00eam ng\u1eb7t. CaCO3 l\u00e0 ch\u1ea5t \u0111\u1ed9n m\u00e0u tr\u1eafng gi\u00e1 r\u1ebb kh\u00f4ng ch\u1ee9a kim lo\u1ea1i n\u1eb7ng. N\u00f3 c\u00f3 th\u1ec3 thay th\u1ebf ho\u00e0n to\u00e0n ch\u1ea5t \u0111\u1ed9n bari sunfat th\u01b0\u1eddng d\u00f9ng trong s\u01a1n b\u1ed9t. Canxi cacbonat ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7 c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 \u0111\u1ed3 ch\u01a1i, xe \u0111\u1ea9y tr\u1ebb em, d\u1ee5ng c\u1ee5 th\u1ec3 thao, \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp v\u00e0 \u0111\u1ed3 gia d\u1ee5ng.<\/p>\n\n\n\n

\u01afu \u0111i\u1ec3m c\u1ee7a canxi cacbonat trong s\u01a1n t\u0129nh \u0111i\u1ec7n:<\/p>\n\n\n\n

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  • C\u00f3 th\u1ec3 d\u00f9ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee7 c\u00f3 \u0111\u1ed9 b\u00f3ng cao.<\/li>\n\n\n\n
  • \u0110\u1ed1i v\u1edbi s\u1ea3n ph\u1ea9m ph\u1ee7, canxi cacbonat th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ea5t t\u1ea1o \u0111\u1ed9 ph\u1eb3ng, gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/li>\n\n\n\n
  • L\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9t m\u00e0u v\u00f4 c\u01a1 m\u00e0u tr\u1eafng, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi titan dioxit \u0111\u1ec3 gi\u1ea3m chi ph\u00ed.<\/li>\n\n\n\n
  • So v\u1edbi c\u00e1c ch\u1ea5t \u0111\u1ed9n kh\u00e1c, CaCO3 ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00e1c s\u1ea3n ph\u1ea9m th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, y\u00eau c\u1ea7u h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i n\u1eb7ng th\u1ea5p, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed3 ch\u01a1i tr\u1ebb em v\u00e0 xe \u0111\u1ea9y em b\u00e9.<\/li>\n\n\n\n
  • N\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 ph\u1ee7 b\u1ed9t v\u00e0 di\u1ec7n t\u00edch phun, \u0111\u1eb7c bi\u1ec7t \u0111\u00e1ng ch\u00fa \u00fd \u0111\u1ed1i v\u1edbi b\u1ed9t h\u1ed7n h\u1ee3p.<\/li>\n<\/ul>\n\n\n\n

    Canxi cacbonat ho\u1ea1t t\u00ednh si\u00eau m\u1ecbn c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 d\u1ea7u v\u00e0 ch\u1ec9 s\u1ed1 kh\u00fac x\u1ea1 cao, v\u00e0 m\u1eadt \u0111\u1ed9 th\u1ea5p c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m m\u1eadt \u0111\u1ed9 t\u1ed5ng th\u1ec3 c\u1ee7a l\u1edbp ph\u1ee7 b\u1ed9t, t\u0103ng di\u1ec7n t\u00edch phun d\u01b0\u1edbi c\u00f9ng m\u1ed9t l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n. Ngo\u00e0i ra, do t\u00ednh ch\u1ea5t t\u0129nh \u0111i\u1ec7n t\u1ed1t c\u1ee7a canxi cacbonat, n\u00f3 c\u00f3 th\u1ec3 t\u0103ng t\u1ef7 l\u1ec7 ph\u1ee7 b\u1ed9t. H\u01a1n n\u1eefa, canxi cacbonat c\u0169ng c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ph\u1ee7 c\u1ea1nh, \u0111\u1ed9 c\u1ee9ng c\u1ee7a m\u00e0ng v\u00e0 \u0111\u1eb7c t\u00ednh ch\u1ed1ng \u0111\u00f3ng b\u00e1nh c\u1ee7a l\u1edbp ph\u1ee7 b\u1ed9t.<\/p>\n\n\n\n

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