{"id":113432,"date":"2021-11-11T17:21:55","date_gmt":"2021-11-11T09:21:55","guid":{"rendered":"https:\/\/www.alpapowder.com\/113432\/"},"modified":"2021-11-15T13:18:28","modified_gmt":"2021-11-15T05:18:28","slug":"phan-tich-ung-dung-cua-canxi-cacbonat-trong-chat-don-cong-nghiep","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/113432\/","title":{"rendered":"Ph\u00e2n t\u00edch \u1ee9ng d\u1ee5ng c\u1ee7a canxi cacbonat trong ch\u1ea5t \u0111\u1ed9n c\u00f4ng nghi\u1ec7p"},"content":{"rendered":"
Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, canxi cacbonat \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh s\u1ea3n xu\u1ea5t nh\u1ef1a tr\u00e1m r\u0103ng v\u00ec nh\u1eefng \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi v\u00e0 gi\u00e1 th\u00e0nh r\u1ebb c\u1ee7a n\u00f3. So v\u1edbi c\u00e1c v\u1eadt li\u1ec7u b\u1ed9t kho\u00e1ng v\u00f4 c\u01a1 kh\u00e1c, m\u00e0u s\u1eafc c\u1ee7a canxi cacbonat tr\u1eafng h\u01a1n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 d\u1ebbo t\u1ed1t h\u01a1n.<\/p>\n
Canxi cacbonat l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ea5t \u0111\u1ed9n l\u1edbn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su. M\u1ed9t l\u01b0\u1ee3ng l\u1edbn cacbonat canxi \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y trong cao su, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m c\u1ee7a n\u00f3 v\u00e0 ti\u1ebft ki\u1ec7m cao su thi\u00ean nhi\u00ean \u0111\u1eaft ti\u1ec1n, do \u0111\u00f3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed. Canxi cacbonat \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y v\u00e0o cao su \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 b\u1ec1n x\u00e9 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n cao h\u01a1n so v\u1edbi c\u00e1c ch\u1ea5t l\u01b0u h\u00f3a cao su nguy\u00ean ch\u1ea5t.<\/p>\n
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Canxi cacbonat \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u01b0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n trong ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 ch\u1ea5t tr\u00e1m tr\u00e9t. N\u00f3 c\u00f3 c\u00e1c \u01b0u \u0111i\u1ec3m l\u00e0 ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t h\u1eb9p, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn, h\u1ea5p th\u1ee5 d\u1ea7u v\u00e0 n\u01b0\u1edbc th\u1ea5p, v.v. N\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh l\u01b0u bi\u1ebfn c\u1ee7a nh\u1ef1a PVC, t\u0103ng c\u01b0\u1eddng v\u00e0 gi\u1ea3m chi ph\u00ed trong ch\u1ea5t tr\u00e1m k\u1ebft c\u1ea5u silicone, v\u00e0 c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 gia c\u1ed1 v\u00e0 t\u0103ng nhi\u1ec7t. -Vai tr\u00f2 b\u1ec1n trong ch\u1ea5t k\u1ebft d\u00ednh n\u00f3ng ch\u1ea3y. Ch\u1ea5t k\u1ebft d\u00ednh c\u00f3 th\u1ec3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 trong vi\u1ec7c l\u00e0m d\u00e0y v\u00e0 \u0111\u1eb7c. \u1ee8ng d\u1ee5ng trong ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 ch\u1ea5t b\u1ecbt k\u00edn c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t li\u00ean k\u1ebft.<\/p>\n
Vi\u1ec7c s\u1eed d\u1ee5ng canxi cacbonat trong ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea5y c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 tr\u1eafng c\u1ee7a gi\u1ea5y, \u0111\u1ed3ng th\u1eddi chi ph\u00ed th\u1ea5p. N\u00f3 c\u00f3 th\u1ec3 l\u00e0m cho gi\u1ea5y c\u00f3 \u0111\u1ed9 s\u00e1ng t\u1ed1t, c\u1ea5u tr\u00fac ch\u1eafc ch\u1eafn, d\u1ec5 vi\u1ebft, l\u1edbp ph\u1ee7 \u0111\u1ed3ng \u0111\u1ec1u, ma s\u00e1t th\u1ea5p, d\u1ec5 h\u00fat \u1ea9m v\u00e0 d\u1ec5 l\u00e0m kh\u00f4.<\/p>\n
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Canxi cacbonat c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 l\u00e0 khung x\u01b0\u01a1ng trong s\u1ea3n ph\u1ea9m nh\u1ef1a, c\u00f3 t\u00e1c d\u1ee5ng r\u1ea5t l\u1edbn \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a s\u1ea3n ph\u1ea9m nh\u1ef1a, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng c\u1ee7a s\u1ea3n ph\u1ea9m, c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00f3ng b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 nh\u1eb5n b\u1ec1 m\u1eb7t c\u1ee7a s\u1ea3n ph\u1ea9m. V\u00ec \u0111\u1ed9 tr\u1eafng c\u1ee7a canxi cacbonat tr\u00ean 90%, n\u00f3 c\u0169ng thay th\u1ebf c\u00e1c ch\u1ea5t m\u00e0u tr\u1eafng \u0111\u1eaft ti\u1ec1n.<\/p>\n
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L\u01b0\u1ee3ng canxi cacbonat trong ng\u00e0nh s\u01a1n c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn, v\u00ed d\u1ee5 nh\u01b0 l\u01b0\u1ee3ng canxi cacbonat trong s\u01a1n d\u00e0y l\u00e0 h\u01a1n 30%.<\/p>\n
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Canxi cacbonat \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i h\u01a1n trong ng\u00e0nh s\u01a1n n\u01b0\u1edbc, c\u00f3 th\u1ec3 l\u00e0m cho s\u01a1n kh\u00f4ng b\u1ecb \u0111\u00f3ng c\u1eb7n, d\u1ec5 ph\u00e2n t\u00e1n v\u00e0 c\u00f3 \u0111\u1ed9 b\u00f3ng \u0111\u1eb9p. L\u01b0\u1ee3ng s\u01a1n g\u1ed1c n\u01b0\u1edbc 20-60%.<\/p>\n
Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, trong ng\u00e0nh v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng \u0111\u00e3 xu\u1ea5t hi\u1ec7n m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u composite – v\u1eadt li\u1ec7u nh\u1ef1a canxi m\u1edbi. V\u1eadt li\u1ec7u n\u00e0y c\u00f3 nhi\u1ec1u \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi c\u1ee7a g\u1ed7, nh\u1ef1a v\u00e0 gi\u1ea5y. N\u00f3 c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh ch\u1ecbu nhi\u1ec7t, ch\u1ecbu h\u00f3a ch\u1ea5t, ch\u1ecbu l\u1ea1nh, c\u00e1ch \u00e2m, ch\u1ed1ng va \u0111\u1eadp, d\u1ec5 gia c\u00f4ng. Trong bao b\u00ec, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, \u0111\u01b0\u1eddng \u1ed1ng, v.v., n\u00f3 thay th\u1ebf ph\u1ea7n l\u1edbn gi\u1ea5y v\u00e0 g\u1ed7.<\/p>\n
Canxi cacbonat l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong m\u00f4i tr\u01b0\u1eddng nu\u00f4i c\u1ea5y c\u1ee7a ng\u00e0nh d\u01b0\u1ee3c ph\u1ea9m. Ngo\u00e0i vi\u1ec7c cung c\u1ea5p nguy\u00ean t\u1ed1 Ca, canxi cacbonat c\u00f2n \u0111\u00f3ng vai tr\u00f2 l\u00e0 ch\u1ea5t \u0111\u1ec7m cho s\u1ef1 thay \u0111\u1ed5i pH trong qu\u00e1 tr\u00ecnh nu\u00f4i c\u1ea5y l\u00ean men \u1ed5n \u0111\u1ecbnh. Do \u0111\u00f3, canxi cacbonat tr\u1edf th\u00e0nh ch\u1ea5t \u0111\u1ec7m cho qu\u00e1 tr\u00ecnh l\u00ean men vi sinh v\u1eadt trong c\u00f4ng nghi\u1ec7p d\u01b0\u1ee3c ph\u1ea9m. Trong s\u1ed1 c\u00e1c thu\u1ed1c th\u1eed d\u01b0\u1ee3c ph\u1ea9m, canxi cacbonat n\u00f3i chung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m ch\u1ea5t \u0111\u1ed9n, trong khi \u1edf d\u1ea1ng vi\u00ean ch\u1ed1ng axit, n\u00f3 c\u00f3 t\u00e1c d\u1ee5ng ch\u1eefa b\u1ec7nh nh\u1ea5t \u0111\u1ecbnh. Canxi cacbonat c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m ph\u1ee5 gia th\u1ef1c ph\u1ea9m, n\u00ean b\u1ed5 sung m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf v\u00e0o th\u1ee9c \u0103n, th\u01b0\u1eddng kh\u00f4ng qu\u00e1 2% \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o cung c\u1ea5p \u0111\u1ee7 l\u01b0\u1ee3ng canxi c\u1ea7n thi\u1ebft cho c\u01a1 th\u1ec3 con ng\u01b0\u1eddi. V\u00ec trong tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng, t\u1ed5ng l\u01b0\u1ee3ng canxi trong c\u01a1 th\u1ec3 con ng\u01b0\u1eddi l\u00e0 kho\u1ea3ng 1200 gam, trong \u0111\u00f3 99% c\u00f3 trong x\u01b0\u01a1ng v\u00e0 r\u0103ng, c\u00f2n 1% l\u00e0 th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong m\u00e1u c\u1ee7a con ng\u01b0\u1eddi, n\u00ean axit cacbonic \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t \u0111a d\u1ea1ng. ph\u1ee5 gia th\u1ef1c ph\u1ea9m. Canxi c\u0169ng l\u00e0 m\u1ed9t trong s\u1ed1 \u0111\u00f3.<\/p>\n
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Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"
Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, canxi cacbonat \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh s\u1ea3n xu\u1ea5t nh\u1ef1a tr\u00e1m r\u0103ng v\u00ec nh\u1eefng \u0111\u1eb7c t\u00ednh tuy\u1ec7t v\u1eddi v\u00e0 gi\u00e1 th\u00e0nh r\u1ebb c\u1ee7a n\u00f3. So v\u1edbi c\u00e1c v\u1eadt li\u1ec7u b\u1ed9t kho\u00e1ng v\u00f4 c\u01a1 kh\u00e1c, m\u00e0u s\u1eafc c\u1ee7a canxi cacbonat tr\u1eafng h\u01a1n, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 d\u1ebbo t\u1ed1t h\u01a1n.<\/p>\n","protected":false},"author":6,"featured_media":97310,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[1025,1027,1026,1028,1030,1029,1031],"class_list":["post-113432","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cong-nghiep-tin-tuc-vi","tag-canxi-cacbonat","tag-cao-su","tag-dien-nhua","tag-giay","tag-lop-ao","tag-nhua","tag-son"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113432","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=113432"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113432\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/97310"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=113432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=113432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=113432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}