{"id":3601,"date":"2025-11-03T16:43:43","date_gmt":"2025-11-03T08:43:43","guid":{"rendered":"https:\/\/www.nonmetallic-ore.com\/?p=3601"},"modified":"2025-11-03T16:43:46","modified_gmt":"2025-11-03T08:43:46","slug":"calcium-carbonate-applications-in-powder-coatings","status":"publish","type":"post","link":"https:\/\/www.nonmetallic-ore.com\/vi\/calcium-carbonate-applications-in-powder-coatings\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a Canxi Cacbonat trong S\u01a1n b\u1ed9t"},"content":{"rendered":"

Canxi cacbonat l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t v\u00f4 c\u01a1 c\u00f3 c\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc l\u00e0 CaCO\u2083. N\u00f3 \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi ngu\u1ed3n nguy\u00ean li\u1ec7u th\u00f4 d\u1ed3i d\u00e0o, quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh. Nh\u1eefng \u0111\u1eb7c t\u00ednh n\u00e0y khi\u1ebfn n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 cao su, nh\u1ef1a, s\u01a1n ph\u1ee7 v\u00e0 m\u1ef1c in. Trong l\u0129nh v\u1ef1c s\u01a1n ph\u1ee7, canxi cacbonat \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t \u0111\u1ed9n v\u00e0 ch\u1ea5t l\u00e0m tr\u1eafng, t\u1ea1o n\u00ean c\u1ea5u tr\u00fac khung. N\u00f3 c\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n so v\u1edbi latex v\u00e0 dung m\u00f4i. C\u00e1c h\u1ea1t m\u1ecbn c\u1ee7a n\u00f3 \u0111\u1ea3m b\u1ea3o s\u1ef1 ph\u00e2n t\u00e1n \u0111\u1ec1u trong l\u1edbp ph\u1ee7, t\u0103ng th\u1ec3 t\u00edch, gi\u1ea3m chi ph\u00ed v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u0169ng nh\u01b0 k\u1ebft c\u1ea5u. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 m\u1ecbn mong mu\u1ed1n cho c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, canxi cacbonat tr\u1ea3i qua qu\u00e1 tr\u00ecnh nghi\u1ec1n b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y nghi\u1ec1n bi, m\u00e1y nghi\u1ec1n tr\u1ee5c l\u0103n v\u00e0 m\u00e1y nghi\u1ec1n ch\u1ed1t. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec1n n\u00e0y gi\u00fap t\u1ea1o ra b\u1ed9t si\u00eau m\u1ecbn c\u1ea7n thi\u1ebft cho l\u1edbp ph\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng cao. Ngo\u00e0i ra, m\u00e1y ph\u1ee7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t. M\u00e1y ph\u00e2n lo\u1ea1i kh\u00ed si\u00eau m\u1ecbn \u0111\u1ea3m b\u1ea3o ph\u00e2n ph\u1ed1i k\u00edch th\u01b0\u1edbc h\u1ea1t ch\u00ednh x\u00e1c, t\u1ed1i \u01b0u h\u00f3a kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a v\u1eadt li\u1ec7u trong l\u1edbp ph\u1ee7.<\/p>\n\n\n\n

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

\u1ee8ng d\u1ee5ng c\u1ee7a Canxi Cacbonat trong S\u01a1n b\u1ed9t<\/h2>\n\n\n\n

1. Canxi cacbonat cho s\u01a1n Latex<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Trong s\u01a1n latex, canxi cacbonat ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t m\u00e0u k\u00e9o d\u00e0i, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf m\u1ee9c 10%-50%. N\u00f3 t\u1ea1o hi\u1ec7u \u1ee9ng l\u1ea5p \u0111\u1ea7y, mang l\u1ea1i k\u1ebft c\u1ea5u m\u1ecbn, \u0111\u1ed3ng \u0111\u1ec1u v\u1edbi \u0111\u1ed9 tr\u1eafng cao. N\u00f3 c\u0169ng mang l\u1ea1i kh\u1ea3 n\u0103ng che ph\u1ee7 kh\u00f4, \u0111\u1eb7c bi\u1ec7t khi s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m si\u00eau m\u1ecbn. Khi k\u00edch th\u01b0\u1edbc h\u1ea1t \u0111\u1ea1t \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a titan dioxit, n\u00f3 gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng che ph\u1ee7, \u0111\u1ed9 b\u1ec1n m\u00e0ng s\u01a1n, kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc, t\u1ed1c \u0111\u1ed9 kh\u00f4 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng c\u1ecd x\u00e1t.<\/p>\n\n\n\n

V\u00ed d\u1ee5, canxi cacbonat nghi\u1ec1n si\u00eau m\u1ecbn r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 th\u1eddi gian ph\u00e2n t\u00e1n v\u00e0 ch\u00e0 nh\u00e1m trong s\u1ea3n xu\u1ea5t s\u01a1n latex, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng che ph\u1ee7, \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 nh\u1edbt c\u1ee7a latex, gi\u1ea3m l\u01b0\u1ee3ng titan dioxit s\u1eed d\u1ee5ng v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t ch\u00e0 nh\u00e1m b\u1ed9t tr\u00e9t. Trong thi\u1ebft k\u1ebf c\u00f4ng th\u1ee9c s\u01a1n, s\u01a1n latex hi\u1ec7u su\u1ea5t cao s\u1eed d\u1ee5ng canxi cacbonat si\u00eau m\u1ecbn, trong khi c\u00e1c lo\u1ea1i s\u01a1n c\u1ea5p th\u1ea5p h\u01a1n l\u1ea1i ch\u1ecdn h\u1ea1t th\u00f4 h\u01a1n v\u1edbi \u0111\u1ed9 h\u1ea5p th\u1ee5 d\u1ea7u th\u1ea5p. Hi\u1ec7n nay, canxi cacbonat n\u1eb7ng v\u1edbi d97 < 10\u03bcm, d50 kho\u1ea3ng 1,5\u03bcm, \u0111\u1ed9 tr\u1eafng > 95% v\u00e0 CaCO\u2083 \u2265 98% ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong s\u01a1n latex t\u01b0\u1eddng n\u1ed9i th\u1ea5t.<\/p>\n\n\n\n

\u0110\u1ec3 s\u1ea3n xu\u1ea5t ra nh\u1eefng h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c nh\u01b0 v\u1eady th\u01b0\u1eddng ph\u1ea3i nghi\u1ec1n canxi cacbonat b\u1eb1ng m\u00e1y nghi\u1ec1n bi ho\u1eb7c m\u00e1y nghi\u1ec1n tr\u1ee5c l\u0103n, sau \u0111\u00f3 ph\u00e2n lo\u1ea1i b\u1eb1ng m\u00e1y ph\u00e2n lo\u1ea1i kh\u00ed si\u00eau m\u1ecbn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t.<\/p>\n\n\n\n

2. Canxi cacbonat cho s\u01a1n \u00f4 t\u00f4<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

G\u1ea7m xe v\u00e0 h\u1ed1c b\u00e1nh xe \u00f4 t\u00f4 th\u01b0\u1eddng xuy\u00ean ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1t, s\u1ecfi v\u00e0 n\u01b0\u1edbc th\u1ea3i, c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng l\u1edbp ph\u1ee7 v\u00e0 d\u1eabn \u0111\u1ebfn \u0103n m\u00f2n. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, l\u1edbp ph\u1ee7 g\u1ea7m xe c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e1 d\u0103m v\u00e0 ch\u1ed1ng \u0103n m\u00f2n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/p>\n\n\n\n

PVC plastisol l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1n khung g\u1ea7m \u00f4 t\u00f4, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb nh\u1ef1a PVC d\u1ea1ng s\u1ec7t, ch\u1ea5t h\u00f3a d\u1ebbo, ch\u1ea5t \u0111\u1ed9n (canxi cacbonat), ch\u1ea5t \u1ed5n \u0111\u1ecbnh, ch\u1ea5t t\u1ea1o \u0111\u1ed9 b\u00e1m d\u00ednh, dung m\u00f4i v\u00e0 c\u00e1c ch\u1ea5t ph\u1ee5 gia kh\u00e1c. Canxi cacbonat chi\u1ebfm g\u1ea7n 30% t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng (t\u00f9y theo c\u00f4ng th\u1ee9c), v\u00e0 nano canxi cacbonat c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t l\u01b0u bi\u1ebfn v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng va \u0111\u1eadp t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c lo\u1ea1i th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n

S\u01a1n khung g\u1ea7m \u00f4 t\u00f4 c\u1ea7n \u0111\u1ed9 nh\u1edbt th\u1ea5p \u0111\u1ec3 d\u1ec5 phun v\u00e0 \u0111\u1ed9 ch\u1ea3y t\u1ed1t trong qu\u00e1 tr\u00ecnh thi c\u00f4ng, nh\u01b0ng c\u1ea7n \u0111\u1ed9 nh\u1edbt cao sau khi thi c\u00f4ng \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng ch\u1ea3y x\u1ec7. T\u00ednh ch\u1ea5t l\u01b0u bi\u1ebfn n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1edd nano canxi cacbonat, mang l\u1ea1i kh\u1ea3 n\u0103ng ho\u1ea1t h\u00f3a, \u1ee9ng su\u1ea5t ch\u1ea3y v\u00e0 t\u00ednh l\u01b0u bi\u1ebfn cao.<\/p>\n\n\n\n

\u0110\u1ec3 s\u1ea3n xu\u1ea5t canxi cacbonat \u1edf quy m\u00f4 nano, c\u1ea7n ph\u1ea3i c\u00f3 thi\u1ebft b\u1ecb nghi\u1ec1n ti\u00ean ti\u1ebfn nh\u01b0 m\u00e1y nghi\u1ec1n ch\u1ed1t v\u00e0 m\u00e1y ph\u1ee7 \u0111\u1ec3 x\u1eed l\u00fd b\u1ec1 m\u1eb7t, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u trong l\u1edbp ph\u1ee7 \u00f4 t\u00f4.<\/p>\n\n\n\n

3. Canxi cacbonat cho m\u1ef1c in<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Trong m\u1ef1c in, canxi cacbonat ch\u1ee7 y\u1ebfu gi\u00fap gi\u1ea3m chi ph\u00ed v\u00e0 t\u0103ng th\u1ec3 t\u00edch l\u00e0m ch\u1ea5t \u0111\u1ed9n. Canxi cacbonat si\u00eau m\u1ecbn hi\u1ec7u su\u1ea5t cao \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng, v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1eeb 0,02-1,0\u03bcm, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang cao, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 d\u1ea7u, \u0111\u1ed9 trong su\u1ed1t, \u0111\u1ed9 s\u00e1ng v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n

Tr\u00ean th\u1ef1c t\u1ebf, canxi cacbonat nano nh\u1eb9 ho\u1eb7c canxi cacbonat nano ho\u1ea1t t\u00ednh l\u00e0 l\u00fd t\u01b0\u1edfng, m\u1eb7c d\u00f9 gi\u00e1 th\u00e0nh cao h\u01a1n c\u1ee7a lo\u1ea1i th\u1ee9 hai d\u1eabn \u0111\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng lo\u1ea1i th\u1ee9 nh\u1ea5t nhi\u1ec1u h\u01a1n. Canxi cacbonat ho\u1ea1t t\u00ednh t\u1ea1o ra m\u1ef1c c\u00f3 \u0111\u1ed9 \u0111\u1eb7c, \u0111\u1ed9 nh\u1edbt, hi\u1ec7u su\u1ea5t in t\u1ed1t, kh\u00f4 nhanh v\u00e0 kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng ph\u1ee5. C\u00e1c h\u1ea1t nh\u1ecf c\u1ee7a n\u00f3 mang l\u1ea1i \u0111\u1ed9 ph\u00e2n t\u00e1n, \u0111\u1ed9 trong su\u1ed1t, \u0111\u1ed9 b\u00f3ng, kh\u1ea3 n\u0103ng che ph\u1ee7, kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 m\u1ef1c v\u00e0 kh\u00f4 m\u1ef1c tuy\u1ec7t v\u1eddi, t\u1ea1o ra b\u1ea3n in m\u1ecbn v\u1edbi \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ch\u1ea5m m\u1ef1c. V\u1edbi ch\u1ea5t k\u1ebft d\u00ednh nh\u1ef1a hi\u1ec7n \u0111ang ph\u1ed5 bi\u1ebfn trong m\u1ef1c in, t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a canxi cacbonat ho\u1ea1t t\u00ednh \u0111\u00e3 ph\u1ea7n l\u1edbn thay th\u1ebf c\u00e1c ch\u1ea5t \u0111\u1ed9n kh\u00e1c.<\/p>\n\n\n\n

M\u1ef1c in n\u1ed9i \u0111\u1ecba cao c\u1ea5p s\u1eed d\u1ee5ng canxi cacbonat si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c ho\u1ea1t h\u00f3a v\u1edbi c\u00e1c tinh th\u1ec3 h\u00ecnh c\u1ea7u ho\u1eb7c h\u00ecnh kh\u1ed1i. Vi\u1ec7c nghi\u1ec1n b\u1eb1ng m\u00e1y nghi\u1ec1n bi ho\u1eb7c m\u00e1y nghi\u1ec1n tr\u1ee5c, k\u1ebft h\u1ee3p v\u1edbi m\u00e1y ph\u00e2n lo\u1ea1i kh\u00ed si\u00eau m\u1ecbn, l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00e0y.<\/p>\n\n\n\n

4. Canxi cacbonat cho s\u01a1n t\u0129nh \u0111i\u1ec7n<\/h3>\n\n\n\n
\"S\u1eafc<\/figure>\n\n\n\n

Ch\u1ea5t \u0111\u1ed9n trong s\u01a1n b\u1ed9t th\u01b0\u1eddng ch\u1ee9a kim lo\u1ea1i n\u1eb7ng, kh\u00f4ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi h\u00e0ng xu\u1ea5t kh\u1ea9u sang ch\u00e2u \u00c2u v\u00e0 Hoa K\u1ef3, n\u01a1i c\u00f3 quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t v\u1ec1 gi\u1edbi h\u1ea1n kim lo\u1ea1i n\u1eb7ng. Canxi cacbonat, r\u1ebb ti\u1ec1n v\u00e0 kh\u00f4ng ch\u1ee9a kim lo\u1ea1i n\u1eb7ng, c\u00f3 th\u1ec3 thay th\u1ebf bari sunfat, l\u00fd t\u01b0\u1edfng \u0111\u1ec3 ph\u1ee7 l\u00ean \u0111\u1ed3 ch\u01a1i, xe \u0111\u1ea9y, d\u1ee5ng c\u1ee5 th\u1ec3 thao, \u0111\u1ed3 d\u00f9ng nh\u00e0 b\u1ebfp v\u00e0 thi\u1ebft b\u1ecb gia d\u1ee5ng.<\/p>\n\n\n\n

C\u00e1c \u1ee9ng d\u1ee5ng bao g\u1ed3m:<\/p>\n\n\n\n

\u2022 D\u00f9ng l\u00e0m ch\u1ea5t \u0111\u1ed9n cho l\u1edbp ph\u1ee7 c\u00f3 \u0111\u1ed9 b\u00f3ng cao.<\/p>\n\n\n\n

\u2022 Trong l\u1edbp ph\u1ee7 b\u00e1n b\u00f3ng, \u0111\u01b0\u1ee3c th\u00eam tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ea5t t\u1ea1o m\u00e0ng, ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\n\n\n\n

\u2022 L\u00e0 ch\u1ea5t m\u00e0u v\u00f4 c\u01a1 m\u00e0u tr\u1eafng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi titan dioxit \u0111\u1ec3 gi\u1ea3m chi ph\u00ed.<\/p>\n\n\n\n

\u2022 Th\u00edch h\u1ee3p cho c\u00e1c s\u1ea3n ph\u1ea9m th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u00f3 h\u00e0m l\u01b0\u1ee3ng kim lo\u1ea1i n\u1eb7ng th\u1ea5p nh\u01b0 \u0111\u1ed3 ch\u01a1i tr\u1ebb em.<\/p>\n\n\n\n

\u2022 C\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 phun b\u1ed9t v\u00e0 di\u1ec7n t\u00edch phun, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf b\u1ed9t h\u1ed7n h\u1ee3p.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 m\u00e1y nghi\u1ec1n ch\u1ed1t v\u00e0 m\u00e1y ph\u1ee7 gi\u00fap c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh b\u1ec1 m\u1eb7t, gi\u00fap canxi cacbonat hi\u1ec7u qu\u1ea3 h\u01a1n trong s\u01a1n t\u0129nh \u0111i\u1ec7n.<\/p>\n\n\n\n

Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee7a Canxi Cacbonat trong ng\u00e0nh s\u01a1n ph\u1ee7<\/h2>\n\n\n\n

1. Nano h\u00f3a<\/h3>\n\n\n\n

Trong ng\u00e0nh s\u01a1n ph\u1ee7, nano canxi cacbonat t\u1ea1o ra s\u1ef1 c\u1ea3n tr\u1edf l\u1eadp th\u1ec3, ng\u0103n ng\u1eeba l\u1eafng \u0111\u1ecdng, \u0111\u1ed3ng th\u1eddi t\u0103ng \u0111\u1ed9 tr\u1eafng v\u00e0 \u0111\u1ed9 b\u00f3ng m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng che ph\u1ee7, c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh khi l\u01b0u tr\u1eef. Hi\u1ec7u \u1ee9ng "chuy\u1ec3n m\u00e0u xanh" trong latex gi\u00fap b\u1ea3o v\u1ec7 ch\u1ed1ng l\u1ea1i tia UV v\u00e0 l\u00e3o h\u00f3a do nhi\u1ec7t, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t.<\/p>\n\n\n\n

L\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n, n\u00f3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 linh ho\u1ea1t, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 ph\u1eb3ng, kh\u1ea3 n\u0103ng l\u1eafng \u0111\u1ecdng m\u00e0ng v\u00e0 \u0111\u1ed9 th\u1ea5m. Trong l\u1edbp ph\u1ee7 ngo\u1ea1i th\u1ea5t, n\u00f3 t\u1ea1o ra t\u00ednh k\u1ef5 n\u01b0\u1edbc, t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t v\u00e0 ch\u1ed1ng b\u00e1m b\u1ea9n. Trong s\u01a1n latex g\u1ed1c n\u01b0\u1edbc, n\u00f3 l\u00e0m gi\u1ea3m s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t t\u1eeb c\u00e1c h\u1ea1t c\u1ee9ng, c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai th\u00f4ng qua c\u00e1c v\u1ebft n\u1ee9t nh\u1ecf v\u00e0 bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i.<\/p>\n\n\n\n

Vi\u1ec7c b\u1ed5 sung nano canxi cacbonat 2%-5% \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t v\u00e0o s\u01a1n latex truy\u1ec1n th\u1ed1ng gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 t\u00ednh l\u01b0u bi\u1ebfn, kh\u1ea3 n\u0103ng m\u1edf lon, kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc, kh\u1ea3 n\u0103ng ch\u1ed1ng c\u1ecd r\u1eeda v\u00e0 \u0111\u1ed9 c\u1ee9ng. C\u00e1c c\u00f4ng ty nh\u01b0 Shiraishi c\u1ee7a Nh\u1eadt B\u1ea3n v\u00e0 Sim c\u1ee7a \u00dd s\u1ea3n xu\u1ea5t nano canxi cacbonat \u0111\u1ec3 bi\u1ebfn t\u00ednh s\u01a1n latex g\u1ed1c n\u01b0\u1edbc.<\/p>\n\n\n\n

Nh\u1edd hi\u1ec7u \u1ee9ng nano, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn, c\u00e1c nguy\u00ean t\u1eed ho\u1ea1t h\u00f3a v\u00e0 t\u01b0\u01a1ng t\u00e1c polymer, n\u00f3 mang l\u1ea1i nh\u1eefng ch\u1ee9c n\u0103ng \u0111\u1eb7c bi\u1ec7t. T\u00ednh ch\u1ea5t l\u01b0u bi\u1ebfn c\u1ee7a n\u00f3 ph\u00f9 h\u1ee3p v\u1edbi l\u1edbp ph\u1ee7 ch\u1ed1ng \u0111\u00e1 d\u0103m v\u00e0 l\u1edbp ph\u1ee7 ho\u00e0n thi\u1ec7n khung g\u1ea7m \u00f4 t\u00f4. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc nano, c\u1ea7n ph\u1ea3i nghi\u1ec1n m\u1ecbn ch\u00ednh x\u00e1c b\u1eb1ng m\u00e1y nghi\u1ec1n bi, m\u00e1y nghi\u1ec1n tr\u1ee5c l\u0103n ho\u1eb7c m\u00e1y nghi\u1ec1n ch\u1ed1t, v\u00e0 m\u00e1y ph\u00e2n lo\u1ea1i kh\u00ed si\u00eau m\u1ecbn \u0111\u1ec3 t\u00e1ch.<\/p>\n\n\n\n

2. Ch\u1ee9c n\u0103ng h\u00f3a<\/h3>\n\n\n\n

Khi c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n v\u00e0 m\u1ee9c s\u1ed1ng \u0111\u01b0\u1ee3c n\u00e2ng cao, ng\u01b0\u1eddi ti\u00eau d\u00f9ng \u0111\u00f2i h\u1ecfi t\u00ednh n\u0103ng cao h\u01a1n, khi\u1ebfn l\u1edbp ph\u1ee7 hi\u1ec7u su\u1ea5t cao, \u0111a ch\u1ee9c n\u0103ng tr\u1edf th\u00e0nh xu h\u01b0\u1edbng. Vi\u1ec7c b\u1ed5 sung nano canxi cacbonat v\u00e0 nano ZnO mang l\u1ea1i hi\u1ec7u qu\u1ea3 kh\u00e1ng khu\u1ea9n v\u00e0 ch\u1ed1ng n\u1ea5m m\u1ed1c, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3.<\/p>\n\n\n\n

G\u1ea7n \u0111\u00e2y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u01a1n v\u00e0 vi\u1ec7n nghi\u00ean c\u1ee9u trong n\u01b0\u1edbc v\u00e0 qu\u1ed1c t\u1ebf \u0111ang kh\u00e1m ph\u00e1 c\u00e1c kho\u00e1ng ch\u1ea5t phi kim lo\u1ea1i v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ebf bi\u1ebfn s\u00e2u \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng ho\u1eb7c b\u1ed5 sung ch\u1ee9c n\u0103ng m\u1edbi cho l\u1edbp ph\u1ee7, tr\u1edf th\u00e0nh \u0111i\u1ec3m n\u00f3ng trong l\u0129nh v\u1ef1c s\u01a1n ki\u1ebfn tr\u00fac.<\/p>\n\n\n\n

3. S\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t<\/h3>\n\n\n\n

Vi\u1ec7c s\u1eed d\u1ee5ng nano canxi cacbonat \u0111\u1ec3 c\u1ea3i thi\u1ec7n l\u1edbp ph\u1ee7 l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 n\u00f3ng, nh\u01b0ng vi\u1ec7c s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp c\u00f3 nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m: n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t cao d\u1eabn \u0111\u1ebfn k\u1ebft t\u1ee5; b\u1ec1 m\u1eb7t \u01b0a n\u01b0\u1edbc v\u00e0 k\u1ef5 d\u1ea7u c\u1ea3n tr\u1edf s\u1ef1 ph\u00e2n t\u00e1n trong ch\u1ea5t h\u1eefu c\u01a1, l\u00e0m y\u1ebfu li\u00ean k\u1ebft v\u00e0 g\u00e2y ra khuy\u1ebft t\u1eadt.<\/p>\n\n\n\n

Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi v\u1eadt li\u1ec7u n\u1ec1n kh\u00e1c v\u1edbi polyme trong nh\u1ef1a ho\u1eb7c cao su do c\u00e1c nh\u00f3m ch\u1ee9c n\u0103ng, tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed, \u0111\u1ed9 ph\u00e2n c\u1ef1c v\u00e0 t\u01b0\u01a1ng t\u00e1c. Do \u0111\u00f3, vi\u1ec7c bi\u1ebfn t\u00ednh b\u1ec1 m\u1eb7t l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u1ee9ng d\u1ee5ng th\u00e0nh c\u00f4ng, th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u00e1y ph\u1ee7 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 ph\u00e2n t\u00e1n v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>\n\n\n\n

\"\"
Pin Mill c\u1ee7a Epic Powder<\/figcaption><\/figure>\n\n\n\n

4. Chuy\u00ean m\u00f4n h\u00f3a<\/h3>\n\n\n\n

V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh c\u00f4ng nghi\u1ec7p canxi cacbonat, c\u00e1c s\u1ea3n ph\u1ea9m chuy\u00ean d\u1ee5ng cho l\u1edbp ph\u1ee7 \u0111\u00e3 xu\u1ea5t hi\u1ec7n: d\u1ea1ng tinh th\u1ec3 \u0111\u1eb7c bi\u1ec7t, k\u00edch th\u01b0\u1edbc d\u01b0\u1edbi 0,1\u03bcm, kh\u00f4ng l\u1eafng, \u0111\u1ed9 b\u00f3ng cao, d\u1ec5 ph\u00e2n t\u00e1n. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t cao c\u1ea5p \u0111ang t\u00ecm ki\u1ebfm canxi cacbonat chuy\u00ean d\u1ee5ng.<\/p>\n\n\n\n

Nh\u00ecn chung, v\u1edbi nh\u1eadn th\u1ee9c ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, nhu c\u1ea7u v\u1ec1 ch\u1ea5t \u0111\u1ed9n th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng trong ng\u00e0nh s\u01a1n ph\u1ee7 \u0111ang t\u0103ng l\u00ean v\u00e0 canxi cacbonat, l\u00e0 ch\u1ea5t \u0111\u1ed9n t\u1ef1 nhi\u00ean v\u00e0 kh\u00f4ng \u0111\u1ed9c h\u1ea1i, c\u0169ng \u0111ang \u0111\u01b0\u1ee3c ch\u00fa \u00fd. N\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 k\u1ebft c\u1ea5u cho c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng cao c\u1ea5p v\u00e0 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn, h\u1ee9a h\u1eb9n s\u1ef1 t\u0103ng tr\u01b0\u1edfng b\u1ec1n v\u1eefng trong ng\u00e0nh s\u01a1n ph\u1ee7.<\/p>\n\n\n\n

B\u1ed9t Epic<\/mark><\/h2>\n\n\n\n
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