{"id":113020,"date":"2021-11-03T16:24:16","date_gmt":"2021-11-03T08:24:16","guid":{"rendered":"https:\/\/www.alpapowder.com\/113020\/"},"modified":"2021-11-03T16:24:16","modified_gmt":"2021-11-03T08:24:16","slug":"ung-dung-cua-canxi-cacbonat-trong-lop-phu","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/113020\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a canxi cacbonat trong l\u1edbp ph\u1ee7"},"content":{"rendered":"

Canxi cacbonat l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9t m\u00e0u tr\u1eafng kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng m\u00f9i, kh\u00f4ng g\u00e2y k\u00edch \u1ee9ng, v\u00e0 n\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t. Canxi cacbonat l\u00e0 trung t\u00ednh, v\u1ec1 c\u01a1 b\u1ea3n kh\u00f4ng h\u00f2a tan trong n\u01b0\u1edbc nh\u01b0ng h\u00f2a tan trong axit. Theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t canxi cacbonat kh\u00e1c nhau, canxi cacbonat c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh canxi cacbonat n\u1eb7ng, canxi cacbonat nh\u1eb9, canxi cacbonat d\u1ea1ng keo v\u00e0 canxi cacbonat k\u1ebft tinh.<\/p>\n

Canxi cacbonat l\u00e0 m\u1ed9t ch\u1ea5t ph\u1ed5 bi\u1ebfn tr\u00ean tr\u00e1i \u0111\u1ea5t. N\u00f3 t\u1ed3n t\u1ea1i trong aragonit, canxit, \u0111\u00e1 ph\u1ea5n, \u0111\u00e1 v\u00f4i, \u0111\u00e1 c\u1ea9m th\u1ea1ch, \u0111\u00e1 travertine v\u00e0 c\u00e1c lo\u1ea1i \u0111\u00e1 kh\u00e1c. N\u00f3 c\u0169ng l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a x\u01b0\u01a1ng ho\u1eb7c v\u1ecf \u0111\u1ed9ng v\u1eadt. Canxi cacbonat l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng quan tr\u1ecdng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p.<\/p>\n

\"\"<\/p>\n

1 \u1ee8ng d\u1ee5ng trong s\u01a1n cao su<\/strong><\/p>\n

1.1 Vai tr\u00f2 c\u1ee7a canxi n\u1eb7ng<\/p>\n

(1) L\u00e0 m\u1ed9t s\u1eafc t\u1ed1 k\u00e9o d\u00e0i, n\u00f3 c\u00f3 t\u00e1c d\u1ee5ng l\u1ea5p \u0111\u1ea7y \u0111\u1ec3 l\u00e0m cho n\u00f3 m\u1ecbn, \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u0111\u1ed9 tr\u1eafng cao.<\/p>\n

(2) N\u00f3 c\u00f3 m\u1ed9t m\u1ee9c \u0111\u1ed9 bao ph\u1ee7 kh\u00f4 nh\u1ea5t \u0111\u1ecbnh. N\u00f3i chung, c\u00e1c s\u1ea3n ph\u1ea9m si\u00eau t\u1ed1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Khi k\u00edch th\u01b0\u1edbc h\u1ea1t g\u1ea7n v\u1edbi k\u00edch th\u01b0\u1edbc c\u1ee7a titanium dioxide, hi\u1ec7u \u1ee9ng bao ph\u1ee7 c\u1ee7a titanium dioxide c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n

(3) N\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n, kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc, \u0111\u1ed9 kh\u00f4 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng c\u1ecd r\u1eeda c\u1ee7a m\u00e0ng s\u01a1n.<\/p>\n

(4) C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng gi\u1eef m\u00e0u.<\/p>\n

(5) Gi\u1ea3m chi ph\u00ed v\u00e0 s\u1eed d\u1ee5ng 10% ~ 50%. Nh\u01b0\u1ee3c \u0111i\u1ec3m: t\u1ef7 tr\u1ecdng cao, d\u1ec5 k\u1ebft t\u1ee7a, l\u01b0\u1ee3ng s\u1eed d\u1ee5ng kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 l\u1edbn.<\/p>\n

1.2 Vai tr\u00f2 c\u1ee7a canxi nh\u1eb9<\/p>\n

(1) L\u00e0 m\u1ed9t s\u1eafc t\u1ed1 k\u00e9o d\u00e0i, n\u00f3 c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m \u0111\u1ea7y, tinh t\u1ebf v\u00e0 l\u00e0m t\u0103ng \u0111\u1ed9 tr\u1eafng.<\/p>\n

(2) C\u00f3 kh\u1ea3 n\u0103ng che ph\u1ee7 kh\u00f4 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

(3) Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang nh\u1ecf, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn, c\u00f3 \u0111\u1ed9 huy\u1ec1n ph\u00f9 nh\u1ea5t \u0111\u1ecbnh, c\u00f3 vai tr\u00f2 ch\u1ed1ng l\u1eafng.<\/p>\n

(4) Gi\u1ea3m chi ph\u00ed.<\/p>\n

(5) T\u0103ng c\u1ea3m gi\u00e1c. Nh\u01b0\u1ee3c \u0111i\u1ec3m: d\u1ec5 l\u00e0m tr\u1eafng, ph\u1ed3ng v\u00e0 d\u00e0y, l\u01b0\u1ee3ng s\u1eed d\u1ee5ng kh\u00f4ng qu\u00e1 l\u1edbn, kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng trong s\u01a1n t\u01b0\u1eddng ngo\u1ea1i th\u1ea5t.<\/p>\n

2 \u1ee8ng d\u1ee5ng trong s\u01a1n t\u0129nh \u0111i\u1ec7n<\/strong><\/p>\n

(1) N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n cho c\u00e1c s\u1ea3n ph\u1ea9m s\u01a1n c\u00f3 \u0111\u1ed9 b\u00f3ng cao.<\/p>\n

(2) C\u00e1c s\u1ea3n ph\u1ea9m s\u01a1n b\u00e1n b\u00f3ng n\u00f3i chung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c pha ch\u1ebf b\u1eb1ng c\u00e1ch b\u1ed5 sung tr\u1ef1c ti\u1ebfp canxi cacbonat m\u00e0 kh\u00f4ng c\u1ea7n th\u00eam ch\u1ea5t b\u1ea3 matit, gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>\n

(3) N\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t m\u00e0u v\u00f4 c\u01a1 m\u00e0u tr\u1eafng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p v\u1edbi titanium dioxide \u0111\u1ec3 gi\u1ea3m chi ph\u00ed.<\/p>\n

(4) So v\u1edbi c\u00e1c ch\u1ea5t \u0111\u1ed9n kh\u00e1c, canxi cacbonat th\u00edch h\u1ee3p nh\u1ea5t cho m\u1ed9t s\u1ed1 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.<\/p>\n

(5) N\u00f3 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ef7 l\u1ec7 b\u1ed9t v\u00e0 di\u1ec7n t\u00edch phun c\u1ee7a s\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf d\u1ea1ng b\u1ed9t h\u1ed7n h\u1ee3p.<\/p>\n

(6) N\u1ebfu y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft ngo\u00e0i tr\u1eddi, n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n.<\/p>\n

(7) Do t\u00ednh h\u00fat d\u1ea7u cao n\u00ean d\u1ec5 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng s\u1ea7n v\u1ecf cam tr\u00ean b\u1ec1 m\u1eb7t m\u00e0ng s\u01a1n. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, m\u1ed9t \u00edt d\u1ea7u th\u1ea7u d\u1ea7u \u0111\u00e3 \u0111\u01b0\u1ee3c hydro h\u00f3a c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o nguy\u00ean li\u1ec7u c\u01a1 b\u1ea3n.<\/p>\n

(8) N\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t khung x\u01b0\u01a1ng \u0111\u1ec3 t\u0103ng \u0111\u1ed9 d\u00e0y c\u1ee7a m\u00e0ng s\u01a1n v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u1edbp ph\u1ee7.<\/p>\n

3 \u1ee8ng d\u1ee5ng trong s\u01a1n ph\u1ee7 g\u1ed7<\/strong><\/p>\n

(1) D\u00f9ng l\u00e0m ch\u1ea5t \u0111\u1ed9n cho s\u01a1n l\u00f3t m\u00e0u \u0111\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh.<\/p>\n

(2) T\u0103ng \u0111\u1ed9 b\u1ec1n m\u00e0ng s\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n.<\/p>\n

(3) Canxi nh\u1eb9 c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m \u0111\u1eb7c m\u1ed9t ch\u00fat, d\u1ec5 ch\u1ea3y l\u1ecfng v\u00e0 c\u00f3 t\u00ednh ch\u1ed1ng l\u1eafng t\u1ed1t.<\/p>\n

(4) Canxi n\u1eb7ng l\u00e0m gi\u1ea3m t\u00ednh c\u00e1t trong m\u00e0ng s\u01a1n v\u00e0 d\u1ec5 k\u1ebft t\u1ee7a trong b\u1ec3 n\u00ean c\u1ea7n ch\u00fa \u00fd t\u0103ng c\u01b0\u1eddng t\u00ednh ch\u1ed1ng l\u1eafng.<\/p>\n

(5) C\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00f3ng, kh\u00f4 v\u00e0 tr\u1eafng c\u1ee7a m\u00e0ng s\u01a1n.<\/p>\n

(6) N\u00f3 kh\u00f4ng th\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng v\u1edbi c\u00e1c ch\u1ea5t m\u00e0u v\u00e0 ch\u1ea5t \u0111\u1ed9n kh\u00e1ng ki\u1ec1m.<\/p>\n

4 \u1ee8ng d\u1ee5ng trong s\u01a1n \u00f4 t\u00f4<\/strong><\/p>\n

Canxi cacbonat si\u00eau m\u1ecbn v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf h\u01a1n 80nm \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u1edbp ph\u1ee7 ch\u1ed1ng \u0111\u00e1 v\u00e0 s\u01a1n ph\u1ee7 g\u1ea7m xe h\u01a1i do t\u00ednh thixotropy t\u1ed1t c\u1ee7a n\u00f3. C\u00f4ng su\u1ea5t th\u1ecb tr\u01b0\u1eddng l\u00e0 7000 ~ 8000 t\u1ea5n \/ t\u1ea5n, v\u00e0 gi\u00e1 tr\u00ean th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf cao t\u1edbi US $ 1100 ~ 1.200 \/ t\u1ea5n.<\/p>\n

5 \u1ee8ng d\u1ee5ng trong m\u1ef1c in<\/strong><\/p>\n

Canxi cacbonat si\u00eau m\u1ecbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ef1c in, cho th\u1ea5y kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n tuy\u1ec7t v\u1eddi, \u0111\u1ed9 trong su\u1ed1t, \u0111\u1ed9 b\u00f3ng v\u00e0 kh\u1ea3 n\u0103ng \u1ea9n tuy\u1ec7t v\u1eddi, c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 l\u00e0m kh\u00f4 m\u1ef1c tuy\u1ec7t v\u1eddi. N\u00f3 ph\u1ea3i tr\u1ea3i qua qu\u00e1 tr\u00ecnh x\u1eed l\u00fd k\u00edch ho\u1ea1t, v\u00e0 d\u1ea1ng tinh th\u1ec3 l\u00e0 h\u00ecnh c\u1ea7u ho\u1eb7c h\u00ecnh kh\u1ed1i.<\/p>\n

Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"

Canxi cacbonat l\u00e0 m\u1ed9t lo\u1ea1i b\u1ed9t m\u00e0u tr\u1eafng kh\u00f4ng \u0111\u1ed9c, kh\u00f4ng m\u00f9i, kh\u00f4ng g\u00e2y k\u00edch \u1ee9ng, v\u00e0 n\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t. Canxi cacbonat l\u00e0 trung t\u00ednh, v\u1ec1 c\u01a1 b\u1ea3n kh\u00f4ng h\u00f2a tan trong n\u01b0\u1edbc nh\u01b0ng h\u00f2a tan trong axit.<\/p>\n","protected":false},"author":6,"featured_media":110020,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-113020","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=113020"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113020\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/110020"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=113020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=113020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=113020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}