{"id":118388,"date":"2022-08-15T13:52:52","date_gmt":"2022-08-15T05:52:52","guid":{"rendered":"https:\/\/www.alpapowder.com\/118388\/"},"modified":"2022-08-15T13:52:52","modified_gmt":"2022-08-15T05:52:52","slug":"ung-dung-cua-hop-chat-nano-canxi-canxi-nang-trong-san-xuat-cao-su-silicone","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/118388\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a h\u1ee3p ch\u1ea5t nano-canxi Canxi n\u1eb7ng trong s\u1ea3n xu\u1ea5t cao su silicone"},"content":{"rendered":"

\"\"<\/p>\n

C\u00f3 nhi\u1ec1u lo\u1ea1i ch\u1ea5t \u0111\u1ed9n cho ch\u1ea5t tr\u00e1m silicone, ch\u1eb3ng h\u1ea1n nh\u01b0 silicon dioxide, nano canxi cacbonat, b\u1ed9t wollastonite, canxi cacbonat n\u1eb7ng, v.v., trong \u0111\u00f3 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t l\u00e0 canxi cacbonat nano. Tr\u00ean th\u1ecb tr\u01b0\u1eddng keo trong n\u01b0\u1edbc, t\u1ef7 l\u1ec7 b\u1ed5 sung canxi cacbonat nano trong cao su silicone v\u01b0\u1ee3t qu\u00e1 60%, v\u00e0 l\u01b0\u1ee3ng s\u1eed d\u1ee5ng l\u00e0 r\u1ea5t \u0111\u00e1ng k\u1ec3.<\/p>\n

H\u01a1n 70% c\u00e1i \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nano canxi cacbonat \u0111\u01b0\u1ee3c th\u00eam v\u00e0o v\u1edbi c\u00e1c t\u1ef7 l\u1ec7 canxi cacbonat n\u1eb7ng kh\u00e1c nhau, nh\u01b0ng n\u00f3 th\u1ef1c s\u1ef1 l\u00e0 canxi t\u1ed5ng h\u1ee3p micro-nano. M\u1ed9t s\u1ed1 c\u00f4ng ngh\u1ec7 t\u1ed5ng h\u1ee3p nano canxi cacbonat c\u00f2n l\u1ea1c h\u1eadu, d\u1eabn \u0111\u1ebfn d\u1ea1ng tinh th\u1ec3 b\u1ecb r\u1ed1i lo\u1ea1n (r\u1ea5t kh\u00f3 nh\u00ecn th\u1ea5y c\u00e1c h\u00ecnh kh\u1ed1i \u0111\u1ec1u \u0111\u1eb7n trong tinh th\u1ec3, ph\u1ea7n l\u1edbn l\u00e0 c\u00e1c tr\u1ee5c nh\u1ecf v\u00e0 h\u1ed7n h\u1ee3p d\u1ea1ng chu\u1ed7i), hi\u1ec7u su\u1ea5t x\u1eed l\u00fd k\u00e9m v\u00e0 gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u cao. Th\u00eam canxi cacbonat n\u1eb7ng l\u00e0 \u0110\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t x\u1eed l\u00fd c\u1ee7a n\u00f3, gi\u1ea3m gi\u00e1 tr\u1ecb h\u1ea5p th\u1ee5 d\u1ea7u c\u1ee7a n\u00f3.<\/p>\n

Hi\u1ec7n t\u1ea1i, ch\u1ec9 c\u00f3 m\u1ed9t s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 t\u1ed5ng h\u1ee3p c\u00e1c s\u1ea3n ph\u1ea9m canxi cacbonat nano h\u00ecnh kh\u1ed1i \u0111\u1ec1u, c\u00f2n c\u00e1c s\u1ea3n ph\u1ea9m canxi cacbonat nano kh\u00f4ng \u0111\u1ec1u kh\u00e1c c\u00f3 t\u00ednh thixotropy k\u00e9m, \u0111\u1ed9 b\u1ec1n k\u00e9o th\u1ea5p, \u0111\u1ed9 gi\u00e3n d\u00e0i th\u1ea5p v\u00e0 \u0111\u1ed9 thu h\u1ed3i \u0111\u00e0n h\u1ed3i k\u00e9m. , l\u1ee3i \u00edch duy nh\u1ea5t l\u00e0 gi\u00e1 th\u1ea5p.<\/p>\n

Canxi composite nano si\u00eau nh\u1ecf n\u00e0y t\u01b0\u1edfng ch\u1eebng r\u1ebb ti\u1ec1n nh\u01b0ng l\u1ea1i ti\u1ec1m \u1ea9n r\u1ea5t nhi\u1ec1u nguy c\u01a1:
\n1) t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc k\u00e9m;
\n2) Canxi cacbonat nano ban \u0111\u1ea7u c\u00f3 d\u1ea1ng tinh th\u1ec3 k\u00e9m, \u0111\u1ed9 x\u1ed1p b\u1ec1 m\u1eb7t cao v\u00e0 h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc cao, s\u1ebd d\u1eabn \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh l\u01b0u tr\u1eef k\u00e9m ho\u1eb7c th\u1eadm ch\u00ed l\u00e0m \u0111\u1eb7c keo g\u1ed1c c\u1ed3n;
\n3) Canxi cacbonat n\u1eb7ng ban \u0111\u1ea7u l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m r\u1ea5t \u1ed5n \u0111\u1ecbnh, v\u00e0 n\u00f3 \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi nano canxi cacbonat th\u00f4ng qua x\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 qu\u00e1 tr\u00ecnh l\u00e0m kh\u00f4 sau \u0111\u00f3, \u0111i\u1ec1u n\u00e0y l\u00e0m t\u0103ng t\u00ednh kh\u00f4ng \u1ed5n \u0111\u1ecbnh c\u1ee7a n\u00f3;
\n4) Canxi cacbonat nano \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi canxi cacbonat n\u1eb7ng, l\u00e0m t\u0103ng chi ph\u00ed tr\u1ed9n, chi ph\u00ed s\u1ea5y kh\u00f4 v\u00e0 chi ph\u00ed v\u1eadn chuy\u1ec3n c\u1ee7a canxi cacbonat n\u1eb7ng. N\u00f3 c\u00f3 v\u1ebb l\u00e0 r\u1ebb, nh\u01b0ng n\u00f3 th\u1ef1c s\u1ef1 \u0111\u1eaft h\u01a1n.<\/p>\n

So v\u1edbi canxi t\u1ed5ng h\u1ee3p nano nano c\u00f3 v\u1ebb r\u1ebb ti\u1ec1n, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t cao su silicone s\u1eed d\u1ee5ng canxi cacbonat nano tinh khi\u1ebft v\u00e0 canxi cacbonat n\u1eb7ng trong d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u01b0\u01a1ng \u1ee9ng c\u1ee7a h\u1ecd, v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m cao su silicone \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u1ed5n \u0111\u1ecbnh h\u01a1n v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 chi ph\u00ed th\u1ea5p h\u01a1n.<\/p>\n

L\u1ef1a ch\u1ecdn c\u00e1c s\u1ea3n ph\u1ea9m canxi cacbonat nano tinh khi\u1ebft v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau (15nm, 30nm, 40nm, 50nm, 60nm, 70nm) v\u00e0 1500 mesh canxi cacbonat n\u1eb7ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c t\u1ef7 l\u1ec7 kh\u00e1c nhau \u0111\u1ec3 chu\u1ea9n b\u1ecb ch\u1ea5t tr\u00e1m silicone. B\u1eb1ng c\u00e1ch so s\u00e1nh \u0111\u1ed9 nh\u1edbt c\u1ee7a v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n, t\u00ednh nh\u1ea5t qu\u00e1n, t\u1ed1c \u0111\u1ed9 \u0111\u00f9n v\u00e0 m\u1eadt \u0111\u1ed9, \u0111\u1ed9 nh\u1edbt, \u0111\u1ed9 \u0111\u1eb7c, t\u1ed1c \u0111\u1ed9 \u0111\u00f9n, th\u1eddi gian kh\u00f4 b\u1ec1 m\u1eb7t, \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 gi\u00e3n d\u00e0i c\u01b0\u1eddng \u0111\u1ed9 t\u1ed1i \u0111a, t\u1ed1c \u0111\u1ed9 ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i v\u00e0 c\u00e1c ch\u1ec9 s\u1ed1 kh\u00e1c c\u1ee7a s\u1ea3n ph\u1ea9m ch\u1ea5t b\u1ecbt k\u00edn. K\u1ebft qu\u1ea3 cho th\u1ea5y:<\/p>\n

(1) Canxi cacbonat n\u1eb7ng h\u01a1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi canxi cacbonat nano tinh khi\u1ebft v\u1edbi k\u00edch th\u01b0\u1edbc h\u1ea1t m\u1ecbn h\u01a1n, m\u1eadt \u0111\u1ed9 v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c nhau c\u1ee7a ch\u1ea5t b\u1ecbt k\u00edn thu \u0111\u01b0\u1ee3c \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n v\u00e0 chi ph\u00ed th\u1ea5p h\u01a1n.<\/p>\n

(2) Cho d\u00f9 \u0111\u00f3 l\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ed5 sung tr\u1ef1c ti\u1ebfp canxi ph\u1ee9c h\u1ee3p nano nano, hay quy tr\u00ecnh s\u1ea3n xu\u1ea5t th\u00eam canxi cacbonat nano tinh khi\u1ebft v\u00e0o ph\u1ee9c h\u1ee3p canxi cacbonat n\u1eb7ng, \u0111i\u1ec1u \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng l\u00e0 ph\u1ea3i ch\u1ecdn nano ch\u1ea5t l\u01b0\u1ee3ng cao (h\u00ecnh th\u00e1i tinh th\u1ec3 th\u00f4ng th\u01b0\u1eddng) -canxi cacbonat l\u00e0m v\u1eadt li\u1ec7u gia c\u1ed1. , l\u00e0 y\u1ebfu t\u1ed1 ch\u00ednh quy\u1ebft \u0111\u1ecbnh t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a s\u1ea3n ph\u1ea9m cao su silicone cu\u1ed1i c\u00f9ng.<\/p>\n

(3) So v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng canxi ph\u1ee9c h\u1ee3p nano nano, vi\u1ec7c s\u1eed d\u1ee5ng canxi cacbonat nano tinh khi\u1ebft ch\u1ea5t l\u01b0\u1ee3ng cao k\u1ebft h\u1ee3p v\u1edbi canxi cacbonat n\u1eb7ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t cao su silicone kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t cao su silicone m\u00e0 c\u00f2n gi\u00fap c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc; V\u1ec1 m\u1eb7t qu\u1ea3n l\u00fd v\u00e0 qu\u1ea3n l\u00fd ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng, n\u00f3 c\u0169ng c\u00f3 l\u1ee3i cho vi\u1ec7c duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i c\u1ee7a ho\u1ea1t \u0111\u1ed9ng s\u1ea3n ph\u1ea9m.<\/p>\n","protected":false},"excerpt":{"rendered":"

C\u00f3 nhi\u1ec1u lo\u1ea1i ch\u1ea5t \u0111\u1ed9n cho ch\u1ea5t tr\u00e1m silicone, ch\u1eb3ng h\u1ea1n nh\u01b0 silicon dioxide, nano canxi cacbonat, b\u1ed9t wollastonite, canxi cacbonat n\u1eb7ng, v.v., trong \u0111\u00f3 s\u1ed1 l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t l\u00e0 canxi cacbonat nano. Tr\u00ean th\u1ecb tr\u01b0\u1eddng keo trong n\u01b0\u1edbc, t\u1ef7 l\u1ec7 b\u1ed5 sung canxi cacbonat nano trong cao su silicone v\u01b0\u1ee3t qu\u00e1 60%, v\u00e0 l\u01b0\u1ee3ng s\u1eed d\u1ee5ng l\u00e0 r\u1ea5t \u0111\u00e1ng k\u1ec3.<\/p>\n","protected":false},"author":7,"featured_media":118364,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-118388","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\/118388","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=118388"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/118388\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/118364"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=118388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=118388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=118388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}