{"id":128046,"date":"2023-08-04T10:29:23","date_gmt":"2023-08-04T02:29:23","guid":{"rendered":"https:\/\/www.alpapowder.com\/128046\/"},"modified":"2023-08-04T10:29:24","modified_gmt":"2023-08-04T02:29:24","slug":"7-loai-canxi-cacbonat-thuong-dung-trong-nganh-giay","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/128046\/","title":{"rendered":"7 lo\u1ea1i canxi cacbonat th\u01b0\u1eddng d\u00f9ng trong ng\u00e0nh gi\u1ea5y"},"content":{"rendered":"

\"\"<\/p>\n

Ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea5y l\u00e0 m\u1ed9t trong nh\u1eefng th\u1ecb tr\u01b0\u1eddng l\u1edbn nh\u1ea5t c\u1ee7a canxi cacbonat. L\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n v\u00e0 b\u1ed9t m\u00e0u ph\u1ee7 quan tr\u1ecdng trong s\u1ea3n xu\u1ea5t gi\u1ea5y, canxi cacbonat r\u1ea5t gi\u00e0u ngu\u1ed3n v\u00e0 gi\u00e1 r\u1ebb; c\u00e1c h\u1ea1t m\u1ecbn v\u00e0 \u0111\u1ed9 tr\u1eafng cao c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 m\u1edd c\u1ee7a gi\u1ea5y; t\u1ed1c \u0111\u1ed9 h\u1ea5p th\u1ee5 m\u1ef1c nhanh c\u00f3 th\u1ec3 l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 m\u1ef1c c\u1ee7a gi\u1ea5y; n\u00f3 c\u00f3 th\u1ec3 l\u00e0m cho gi\u1ea5y m\u1ec1m h\u01a1n, ch\u1eb7t h\u01a1n v\u00e0 b\u00f3ng h\u01a1n; n\u00f3 \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u1eadt l\u00fd c\u1ee7a gi\u1ea5y.<\/p>\n

Hi\u1ec7n nay, c\u00e1c lo\u1ea1i canxi cacbonat th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea5y ch\u1ee7 y\u1ebfu bao g\u1ed3m canxi cacbonat n\u1eb7ng, canxi cacbonat nh\u1eb9, canxi cacbonat nano, canxi cacbonat h\u1ed7n h\u1ee3p, canxi cacbonat bi\u1ebfn t\u00ednh, canxi cacbonat r\u00e2u v\u00e0 canxi cacbonat b\u00f9n.<\/p>\n

1. Canxi cacbonat n\u1eb7ng<\/p>\n

Canxi cacbonat nghi\u1ec1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n gi\u1ea5y, l\u01b0\u1ee3ng b\u1ed5 sung t\u01b0\u01a1ng \u0111\u1ed1i cao, \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u \u1ee9ng \u0111\u1ecbnh c\u1ee1 c\u1ee7a gi\u1ea5y, \u0111\u1ed3ng th\u1eddi c\u00f3 hi\u1ec7u su\u1ea5t l\u00e0m gi\u1ea5y t\u1ed1t. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 \u0111\u1ed9 tr\u1eafng v\u00e0 \u0111\u1ed9 m\u1edd c\u1ee7a gi\u1ea5y h\u01a1i k\u00e9m, c\u1ea7n th\u00eam ch\u1ea5t ph\u00e2n t\u00e1n.<\/p>\n

Canxi cacbonat nghi\u1ec1n ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong gi\u1ea5y in, gi\u1ea5y vi\u1ebft, gi\u1ea5y v\u0103n ph\u00f2ng v\u00e0 gi\u1ea5y qu\u1ea3ng c\u00e1o ngo\u00e0i gi\u1ea5y thu\u1ed1c l\u00e1, gi\u1ea5y l\u1ecdc v\u00e0 gi\u1ea5y th\u00f4ng tin s\u1ed1 l\u01b0\u1ee3ng th\u1ea5p \u0111\u1eb7c bi\u1ec7t.<\/p>\n

2. Canxi cacbonat nh\u1eb9<\/p>\n

L\u00e0 m\u1ed9t ch\u1ea5t l\u00e0m \u0111\u1ea7y gi\u1ea5y, canxi cacbonat nh\u1eb9 c\u00f3 th\u1ec3 l\u00e0m cho gi\u1ea5y c\u00f3 \u0111\u1ed9 m\u1edd cao, \u00edt hao m\u00f2n tr\u00ean m\u00e1y gi\u1ea5y v\u00e0 kh\u00f4ng c\u1ea7n th\u00eam ch\u1ea5t ph\u00e2n t\u00e1n. Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee5 th\u1ec3 l\u1edbn, s\u1ebd l\u00e0m h\u1ecfng hi\u1ec7u \u1ee9ng \u0111\u1ecbnh c\u1ee1; kh\u1ea3 n\u0103ng gi\u1eef n\u01b0\u1edbc m\u1ea1nh, kh\u00f4ng c\u00f3 l\u1ee3i cho vi\u1ec7c t\u0103ng t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00e1y gi\u1ea5y.<\/p>\n

3. Nano canxi cacbonat<\/p>\n

Sau khi th\u00eam ch\u1ea5t \u0111\u1ed9n nano canxi cacbonat trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t gi\u1ea5y, gi\u1ea5y c\u00f3 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m sau: c\u00f3 th\u1ec3 l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a c\u1ee7a gi\u1ea5y, \u0111\u1ec3 gi\u1ea5y c\u00f3 th\u1ec3 b\u1ea3o qu\u1ea3n \u0111\u01b0\u1ee3c l\u00e2u h\u01a1n; n\u00f3 c\u00f3 th\u1ec3 l\u00e0m cho gi\u1ea5y h\u1ea5p th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng tia c\u1ef1c t\u00edm nh\u1ea5t \u0111\u1ecbnh; n\u00f3 l\u00e0m cho gi\u1ea5y kh\u00f4ng d\u1ec5 ng\u1ea3 v\u00e0ng ho\u1eb7c phai m\u00e0u Gi\u00f2n v\u00e0 c\u00f3 \u0111\u1eb7c t\u00ednh c\u00e1ch ly t\u1ed1t, v.v.<\/p>\n

L\u00e0 ch\u1ea5t \u0111\u1ed9n s\u1ea3n xu\u1ea5t gi\u1ea5y, canxi cacbonat nano th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m gi\u1ea5y \u0111\u1eb7c bi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00e3 gi\u1ea5y, b\u0103ng v\u1ec7 sinh, gi\u1ea5y in phun m\u00e0u, kh\u0103n gi\u1ea5y v\u00e0 m\u00e0ng tho\u00e1ng kh\u00ed.<\/p>\n

4. Canxi cacbonat h\u1ed7n h\u1ee3p<\/p>\n

Canxi cacbonat h\u1ed7n h\u1ee3p (HCC) l\u00e0 s\u1eed d\u1ee5ng polyme ion \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf h\u1ed7n h\u1ee3p canxi cacbonat v\u00e0 canxi oxit th\u00e0nh c\u00e1c ch\u1ea5t k\u1ebft t\u1ee5 tr\u01b0\u1edbc, sau \u0111\u00f3 x\u1eed l\u00fd c\u00e1c ch\u1ea5t k\u1ebft t\u1ee5 tr\u01b0\u1edbc b\u1eb1ng carbon dioxide \u0111\u1ec3 t\u1ea1o th\u00e0nh canxi cacbonat m\u1edbi gi\u1eefa GCC v\u00e0 cu\u1ed1i c\u00f9ng t\u1ea1o th\u00e0nh canxi axit cacbonic c\u00e1c s\u1ea3n ph\u1ea9m. Quy tr\u00ecnh chu\u1ea9n b\u1ecb canxi cacbonat sau tr\u1ed9n g\u1ea7n gi\u1ed1ng v\u1edbi quy tr\u00ecnh chu\u1ea9n b\u1ecb HCC, ngo\u1ea1i tr\u1eeb c\u1ed1t li\u1ec7u \u0111\u1ea7u ti\u00ean ch\u1ec9 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh t\u1eeb canxi cacbonat nghi\u1ec1n, v\u00e0 sau khi \u0111i\u1ec1u ch\u1ebf canxi cacbonat nghi\u1ec1n tr\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf, c\u00f9ng m\u1ed9t l\u01b0\u1ee3ng canxi oxit nh\u01b0 quy tr\u00ecnh HCC \u0111\u01b0\u1ee3c th\u00eam v\u00e0o, sau \u0111\u00f3 carbon dioxide \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o. Canxi cacbonat m\u1edbi \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh \u1edf b\u00ean ngo\u00e0i c\u1ee7a t\u1eadp h\u1ee3p GCC \u0111\u1ea7u ti\u00ean v\u00e0 s\u1ea3n ph\u1ea9m canxi cacbonat cu\u1ed1i c\u00f9ng l\u00e0 canxi cacbonat sau tr\u1ed9n (PostHCC ho\u1eb7c pHCC).<\/p>\n

5. Canxi cacbonat bi\u1ebfn t\u00ednh<\/p>\n

S\u1ef1 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a canxi cacbonat c\u00f3 th\u1ec3 mang l\u1ea1i cho canxi cacbonat nh\u1eefng t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi. V\u00ed d\u1ee5, chitosan \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 bi\u1ebfn \u0111\u1ed5i l\u1edbp ph\u1ee7 h\u1eefu c\u01a1 c\u1ee7a canxi cacbonat k\u1ebft t\u1ee7a (PCC) b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee7a ki\u1ec1m. Sau khi s\u1eeda \u0111\u1ed5i, hi\u1ec7u su\u1ea5t l\u1ecdc n\u01b0\u1edbc c\u1ee7a b\u00f9n \u0111\u1ea7y \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n m\u1ed9t ch\u00fat v\u00e0 \u0111\u1ed9 h\u00f2a tan c\u0169ng thay \u0111\u1ed5i. Ch\u1ec9 s\u1ed1 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a gi\u1ea5y \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3.<\/p>\n

6. R\u00e2u canxi cacbonat<\/p>\n

R\u00e2u canxi cacbonat thu\u1ed9c c\u1ea5u tr\u00fac tinh th\u1ec3 canxi cacbonat aragonit, c\u00f3 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i cao, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 c\u00e1ch nhi\u1ec7t v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh t\u1ed1t kh\u00e1c, \u0111\u1ed3ng th\u1eddi c\u00f3 v\u1eadt li\u1ec7u r\u00e2u v\u1edbi t\u1ef7 l\u1ec7 khung h\u00ecnh l\u1edbn, s\u1ee3i ng\u1eafn v\u00e0 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf (c\u1ea5p \u0111\u1ed9 Micron) v\u00e0 \u0111\u1eb7c t\u00ednh c\u01b0\u1eddng \u0111\u1ed9 cao.<\/p>\n

7. Canxi cacbonat b\u00f9n<\/p>\n

Th\u1ef1c t\u1ebf \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng canxi cacbonat b\u00f9n c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m m\u1ea1nh h\u01a1n so v\u1edbi canxi r\u1eafn. M\u1ed9t m\u1eb7t, canxi d\u1ea1ng b\u00f9n ch\u01b0a tr\u1ea3i qua qu\u00e1 tr\u00ecnh s\u1ea5y kh\u00f4, t\u1ee9c l\u00e0 kh\u00f4ng c\u00f3 ma s\u00e1t v\u00e0 va ch\u1ea1m c\u01a1 h\u1ecdc, ho\u00e0n to\u00e0n gi\u1eef nguy\u00ean d\u1ea1ng tinh th\u1ec3 h\u00ecnh th\u00e0nh t\u1ef1 nhi\u00ean, h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u00f3 xu h\u01b0\u1edbng \u0111\u1ed3ng nh\u1ea5t h\u01a1n. M\u1eb7t kh\u00e1c, b\u00f9n canxi ch\u01b0a tr\u1ea3i qua ma s\u00e1t v\u00e0 va ch\u1ea1m c\u01a1 h\u1ecdc, m\u1ea3nh v\u1ee5n tinh th\u1ec3 \u00edt h\u01a1n, ph\u1ea7n cu\u1ed1i c\u1ee7a d\u1ea1ng tinh th\u1ec3 v\u1eabn gi\u1eef nguy\u00ean tr\u1ea1ng th\u00e1i c\u00f9n ban \u0111\u1ea7u, h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 h\u01b0 h\u1ea1i.<\/p>\n

Canxi cacbonat n\u1eb7ng, canxi cacbonat nh\u1eb9, canxi cacbonat nano, canxi cacbonat h\u1ed7n h\u1ee3p, canxi cacbonat ho\u1ea1t t\u00ednh, canxi cacbonat r\u00e2u, v.v … \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m ri\u00eang khi l\u00e0m ch\u1ea5t \u0111\u1ed9n l\u00e0m gi\u1ea5y. Do \u0111\u00f3, vi\u1ec7c l\u1ef1a ch\u1ecdn canxi cacbonat ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo y\u00eau c\u1ea7u c\u1ee7a quy tr\u00ecnh s\u1ea3n xu\u1ea5t gi\u1ea5y th\u1ef1c t\u1ebf. Ch\u1eafc ch\u1eafn.<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7n nay, c\u00e1c lo\u1ea1i canxi cacbonat th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p gi\u1ea5y ch\u1ee7 y\u1ebfu bao g\u1ed3m canxi cacbonat n\u1eb7ng, canxi cacbonat nh\u1eb9, canxi cacbonat nano, canxi cacbonat h\u1ed7n h\u1ee3p, canxi cacbonat bi\u1ebfn t\u00ednh, canxi cacbonat r\u00e2u v\u00e0 canxi cacbonat b\u00f9n.<\/p>\n","protected":false},"author":7,"featured_media":128009,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-128046","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\/128046","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\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=128046"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/128046\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/128009"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=128046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=128046"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=128046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}