{"id":117710,"date":"2022-07-18T10:27:17","date_gmt":"2022-07-18T02:27:17","guid":{"rendered":"https:\/\/www.alpapowder.com\/117710\/"},"modified":"2022-07-13T14:39:01","modified_gmt":"2022-07-13T06:39:01","slug":"canxi-nang-canxi-nhe-canxi-nano-ai-la-nguoi-yeu-thich-pvc","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/117710\/","title":{"rendered":"Canxi n\u1eb7ng, canxi nh\u1eb9, canxi nano, ai l\u00e0 ng\u01b0\u1eddi y\u00eau th\u00edch PVC?"},"content":{"rendered":"

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Canxi cacbonat \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 l\u00e0m \u0111\u1ea7y polyvinyl clorua (PVC), polyetylen (PE) v\u00e0 c\u00e1c lo\u1ea1i nh\u1ef1a kh\u00e1c. B\u1ed5 sung canxi cacbonat m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m PVC, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. \u0110\u1ed9 c\u1ee9ng v\u00e0 \u0111\u1ed9 c\u1ee9ng, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a s\u1ea3n ph\u1ea9m, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng in \u1ea5n c\u1ee7a s\u1ea3n ph\u1ea9m, … Do b\u1ea3n th\u00e2n gi\u00e1 th\u00e0nh c\u1ee7a canxi cacbonat t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p n\u00ean ch\u1ec9 c\u1ea7n hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 t\u00ednh ch\u1ea5t c\u1ee7a c\u00e1c lo\u1ea1i canxi cacbonat v\u00e0 c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng l\u00e0 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1t h\u01a1n hi\u1ec7u su\u1ea5t chi ph\u00ed c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n

1. L\u1ef1a ch\u1ecdn c\u00e1c lo\u1ea1i canxi cacbonat<\/p>\n

Canxi n\u1eb7ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u1edbp b\u1ecdt c\u1ee7a da t\u1ed5ng h\u1ee3p calendered PVC.<\/p>\n

Canxi nh\u1eb9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong l\u1edbp b\u1ec1 m\u1eb7t da calendered, t\u1ea5m c\u1ee9ng v\u00e0 b\u1ed9 phim calendered. Canxi nh\u1eb9 d\u00f9ng trong \u0111\u00fac khu\u00f4n c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn v\u00e0 d\u1ec5 k\u1ebft t\u1ee5, d\u1ec5 g\u00e2y ra c\u00e1c \u0111\u1ed1m tr\u1eafng tr\u00ean s\u1ea3n ph\u1ea9m n\u00ean b\u1ec1 m\u1eb7t c\u1ea7n \u0111\u01b0\u1ee3c ho\u1ea1t h\u00f3a. L\u1edbp ph\u1ee7 h\u1eefu c\u01a1 b\u1ec1 m\u1eb7t c\u1ee7a canxi cacbonat c\u00f3 th\u1ec3 l\u00e0m cho n\u00f3 k\u1ef5 n\u01b0\u1edbc, gi\u1ea3m s\u1ef1 k\u1ebft t\u1ee5, t\u0103ng kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi polyme PVC v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a n\u00f3.<\/p>\n

K\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ee7a nano canxi cacbonat l\u00e0 1 ~ 100nm, cho th\u1ea5y hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n canxi ho\u1ea1t t\u00ednh v\u00e0 c\u00f3 t\u00e1c d\u1ee5ng c\u1ee7ng c\u1ed1 nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

2. \u1ea2nh h\u01b0\u1edfng c\u1ee7a vi\u1ec7c b\u1ed5 sung canxi cacbonat l\u00ean c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00e3 qua x\u1eed l\u00fd<\/p>\n

Canxi cacbonat ch\u1ee7 y\u1ebfu \u0111\u00f3ng m\u1ed9t vai tr\u00f2 trong vi\u1ec7c t\u0103ng c\u00f4ng su\u1ea5t v\u00e0 gi\u1ea3m gi\u00e1 th\u00e0nh trong c\u00e1c s\u1ea3n ph\u1ea9m c\u00e1n PVC. V\u1edbi s\u1ef1 gia t\u0103ng c\u1ee7a t\u1ef7 l\u1ec7 \u0111i\u1ec1n \u0111\u1ea7y canxi cacbonat, c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c gia c\u00f4ng d\u1ea7n d\u1ea7n gi\u1ea3m xu\u1ed1ng. Trong s\u1ed1 \u0111\u00f3, canxi cacbonat nano \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m PVC. Trong tr\u01b0\u1eddng h\u1ee3p y\u00eau c\u1ea7u v\u1ec1 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a s\u1ea3n ph\u1ea9m, canxi cacbonat nano c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean.<\/p>\n

3. \u1ea2nh h\u01b0\u1edfng c\u1ee7a vi\u1ec7c x\u1eed l\u00fd b\u1ec1 m\u1eb7t canxi cacbonat \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m<\/p>\n

Canxi cacbonat, \u0111\u1eb7c bi\u1ec7t l\u00e0 canxi cacbonat nh\u1eb9 v\u00e0 canxi cacbonat nano, c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn, t\u00ednh \u01b0a n\u01b0\u1edbc m\u1ea1nh v\u00e0 d\u1ec5 k\u1ebft t\u1ee5 th\u1ee9 c\u1ea5p, v\u00ec v\u1eady b\u1ec1 m\u1eb7t c\u1ee7a ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1ec3 thu \u0111\u01b0\u1ee3c canxi cacbonat k\u1ef5 n\u01b0\u1edbc.<\/p>\n

Canxi cacbonat n\u1eb7ng ch\u1ee7 y\u1ebfu c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m \u0111\u1ea7y v\u00e0 t\u01b0\u01a1ng h\u1ee3p v\u1edbi PVC. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch k\u00e9m v\u1edbi PVC v\u00e0 c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn \u0111\u1ebfn c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc. N\u00f3 \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch s\u1eed d\u1ee5ng trong l\u1edbp b\u1ecdt c\u1ee7a da t\u1ed5ng h\u1ee3p tr\u00e1ng nh\u1ef1a PVC ho\u1eb7c trong c\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng kh\u00f4ng y\u00eau c\u1ea7u c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc. \u1edf gi\u1eefa. \u0110\u1ed1i v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc cao, t\u1ed1t h\u01a1n l\u00e0 s\u1eed d\u1ee5ng canxi cacbonat nh\u1eb9 v\u00e0 canxi cacbonat nano. Canxi cacbonat nh\u1eb9 ho\u1eb7c canxi cacbonat nano.<\/p>\n

4. \u1ea2nh h\u01b0\u1edfng c\u1ee7a tr\u00ecnh t\u1ef1 cho \u0103n \u0111\u1ed1i v\u1edbi s\u1ea3n ph\u1ea9m<\/p>\n

Tr\u00ecnh t\u1ef1 cho \u0103n c\u1ee7a cacbonat canxi l\u00e0 r\u1ea5t quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn PVC. Cho b\u1ed9t PVC, canxi cacbonat v\u00e0 ch\u1ea5t \u1ed5n \u0111\u1ecbnh theo tr\u00ecnh t\u1ef1 v\u00e0o m\u00e1y tr\u1ed9n t\u1ed1c \u0111\u1ed9 cao, khu\u1ea5y \u0111\u1ec1u \u1edf t\u1ed1c \u0111\u1ed9 th\u1ea5p, sau \u0111\u00f3 chuy\u1ec3n sang khu\u1ea5y t\u1ed1c \u0111\u1ed9 cao cho \u0111\u1ebfn khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean 40 ~ 60 \u00b0 C, \u0111\u1ed3ng th\u1eddi th\u00eam ch\u1ea5t d\u1ebbo v\u00e0 c\u00e1c ch\u1ea5t l\u1ecfng kh\u00e1c trong khi khu\u1ea5y \u1edf t\u1ed1c \u0111\u1ed9 cao. Ti\u1ebfp t\u1ee5c khu\u1ea5y \u0111\u1ebfn 100 ~ 120 \u00b0 C, t\u1ed1t nh\u1ea5t l\u00e0 h\u1ed7n h\u1ee3p \u1edf d\u1ea1ng c\u00e1t ch\u1ea3y, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u00e1y tr\u1ed9n b\u00ean trong \u0111\u1ec3 nh\u00e0o v\u00e0 c\u00e1n t\u1ea1o th\u00e0nh m\u00e0ng.<\/p>\n

5. C\u00e1c v\u1ea5n \u0111\u1ec1 b\u1ea5t th\u01b0\u1eddng v\u00e0 c\u1ea3i thi\u1ec7n canxi cacbonat trong \u1ee9ng d\u1ee5ng c\u1ee7a qu\u00e1 tr\u00ecnh gia c\u00f4ng PVC<\/p>\n

C\u00e1c v\u1ea5n \u0111\u1ec1 b\u1ea5t th\u01b0\u1eddng c\u1ee7a canxi cacbonat trong \u1ee9ng d\u1ee5ng gia c\u00f4ng nh\u1ef1a PVC ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c \u0111\u1ed1m linh tinh, \u0111\u1ed1m tr\u1eafng, \u0111\u01b0\u1eddng k\u00e9o, n\u1ebfp g\u1ea5p m\u00e0u tr\u1eafng v\u00e0 gi\u1ea3m t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc. C\u00e1c \u0111\u1ed1m kh\u00e1c xu\u1ea5t hi\u1ec7n trong c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u00e3 qua x\u1eed l\u00fd, nguy\u00ean nh\u00e2n l\u00e0 do canxi cacbonat b\u1ecb tr\u1ed9n l\u1eabn v\u1edbi c\u00e1c t\u1ea1p ch\u1ea5t trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ho\u1eb7c v\u1eadn chuy\u1ec3n. B\u1ea1n c\u00f3 th\u1ec3 quan s\u00e1t c\u1eb7n c\u1ee7a s\u00e0ng trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra xem c\u00f3 c\u00e1c h\u1ea1t loang l\u1ed5 hay kh\u00f4ng v\u00e0 thay l\u00f4 canxi cacbonat \u0111\u1ee7 ti\u00eau chu\u1ea9n. Nguy\u00ean nh\u00e2n ch\u00ednh c\u1ee7a c\u00e1c \u0111\u1ed1m tr\u1eafng v\u00e0 c\u00e1c \u0111\u01b0\u1eddng k\u00e9o l\u00e0 s\u1ef1 k\u1ebft t\u1ee5 th\u1ee9 c\u1ea5p c\u1ee7a cacbonat canxi. Gi\u1ea3i ph\u00e1p l\u00e0 thay th\u1ebf n\u00f3 b\u1eb1ng canxi cacbonat \u0111\u00e3 qua x\u1eed l\u00fd b\u1ec1 m\u1eb7t. Bao b\u00ec b\u00ean ngo\u00e0i c\u1ee7a canxi cacbonat c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi \u0111\u1ed9 \u1ea9m \u0111\u1ec3 gi\u1ea3m s\u1ef1 k\u1ebft t\u1ee5 th\u1ee9 c\u1ea5p c\u1ee7a canxi cacbonat do \u0111\u1ed9 \u1ea9m g\u00e2y ra. \u0110\u1ed1i v\u1edbi s\u1ea3n ph\u1ea9m si\u00eau m\u1ecfng c\u00f3 \u0111\u1ed1m tr\u1eafng, n\u00ean thay th\u1ebf canxi cacbonat \u1edf d\u1ea1ng nano \u0111\u1ec3 s\u1ea3n xu\u1ea5t.<\/p>\n

\u0110\u1ec3 l\u00e0m tr\u1eafng ho\u1eb7c suy gi\u1ea3m c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc do b\u1ed5 sung qu\u00e1 nhi\u1ec1u canxi cacbonat, c\u1ea7n gi\u1ea3m l\u01b0\u1ee3ng canxi cacbonat th\u00eam v\u00e0o ho\u1eb7c thay th\u1ebf b\u1eb1ng canxi cacbonat nh\u1eb9 ho\u1eb7c canxi cacbonat quy m\u00f4 nano \u0111\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n","protected":false},"excerpt":{"rendered":"

Canxi cacbonat \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u0111\u1ec3 l\u00e0m \u0111\u1ea7y polyvinyl clorua (PVC), polyetylen (PE) v\u00e0 c\u00e1c lo\u1ea1i nh\u1ef1a kh\u00e1c. B\u1ed5 sung canxi cacbonat m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m PVC, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m<\/p>\n","protected":false},"author":7,"featured_media":117686,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-117710","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\/117710"}],"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=117710"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/117710\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/117686"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=117710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=117710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=117710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}