{"id":113048,"date":"2021-11-04T14:35:04","date_gmt":"2021-11-04T06:35:04","guid":{"rendered":"https:\/\/www.alpapowder.com\/113048\/"},"modified":"2021-11-04T14:35:04","modified_gmt":"2021-11-04T06:35:04","slug":"ung-dung-cua-vat-lieu-bot-trong-cac-loai-lop-phu-khac-nhau","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/113048\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u b\u1ed9t trong c\u00e1c lo\u1ea1i l\u1edbp ph\u1ee7 kh\u00e1c nhau"},"content":{"rendered":"

1. \u1ee8ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u b\u1ed9t trong s\u01a1n ph\u1ee7<\/h4>\n

1) Ch\u1ea5t m\u00e0u k\u00e9o d\u00e0i (canxi n\u1eb7ng, canxi nh\u1eb9, cao lanh, v.v.) c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u \u1ee9ng “kh\u1ea3 n\u0103ng \u1ea9n kh\u00f4” c\u1ee7a l\u1edbp ph\u1ee7 cao su, thay th\u1ebf m\u1ed9t ph\u1ea7n l\u01b0\u1ee3ng titan \u0111i\u00f4x\u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n ho\u1eb7c t\u1ef7 l\u1ec7 \u1ea9n) \u0111\u1ec3 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t .<\/p>\n

2) \u1ee8ng d\u1ee5ng c\u1ee7a b\u1ed9t wollastonite trong l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y cao su h\u00fat kh\u00ed<\/p>\n

Trong l\u1edbp ph\u1ee7 cao su ch\u1ed1ng ch\u00e1y, ch\u1ea5t ch\u1ed1ng ch\u00e1y v\u00e0 nh\u0169 t\u01b0\u01a1ng r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y. M\u1eb7c d\u00f9 t\u1ef7 l\u1ec7 ch\u1ea5t \u0111\u1ed9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7 cao su ch\u1ed1ng ch\u00e1y kh\u00f4ng l\u1edbn, nh\u01b0ng wollastonite, nh\u00f4m hydroxit v\u00e0 c\u00e1c h\u1ea1t vi c\u1ea7u r\u1ed7ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong l\u1edbp ph\u1ee7 cao su ch\u1ed1ng ch\u00e1y chi\u1ebfm 5%, 2% v\u00e0 4%. Trong \u0111\u00f3, wollastonite \u0111\u00f3ng vai tr\u00f2 l\u00e0 khung x\u01b0\u01a1ng c\u1ee7a m\u00e0ng s\u01a1n, nh\u00f4m hydroxit \u0111\u00f3ng vai tr\u00f2 ch\u1ed1ng ch\u00e1y, ng\u0103n kh\u00f3i v\u00e0 l\u00e0m m\u00e1t, h\u1ea1t kh\u00ed \u0111\u00f3ng vai tr\u00f2 c\u01b0\u1eddng \u0111\u1ed9 l\u1edbp cacbon.<\/p>\n

Cao lanh v\u00e0 wollastonite c\u00f3 c\u00f9ng t\u00e1c d\u1ee5ng ch\u1ed1ng ch\u00e1y l\u1edbp carbon c\u00f3 \u0111\u1ed9 gi\u00e3n n\u1edf cao, cao nh\u1ea5t l\u00e0 wollastonite, ti\u1ebfp theo l\u00e0 cao lanh v\u00e0 tr\u00ecnh t\u1ef1 th\u1eddi gian th\u1ea5p nh\u1ea5t c\u1ee7a b\u1ed9t talc l\u00e0 wollastonite> kaolin> b\u1ed9t talc, ngh\u0129a l\u00e0 khi l\u1edbp carbon \u0111\u1ea1t \u0111\u1ebfn h\u00ecnh t\u1ed5 ong, Chi\u1ec1u cao gi\u00e3n n\u1edf c\u00e0ng l\u1edbn th\u00ec hi\u1ec7u qu\u1ea3 c\u00e1ch nhi\u1ec7t, ch\u1ed1ng ch\u00e1y c\u00e0ng t\u1ed1t. T\u1ea5t nhi\u00ean, l\u1edbp carbon kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 cao, n\u1ebfu kh\u00f4ng s\u1ebd g\u00e2y ra s\u1ef1 ng\u0103n c\u00e1ch gi\u1eefa l\u1edbp carbon v\u00e0 t\u1ea5m th\u00e9p, kh\u00f4ng c\u00f3 vai tr\u00f2 ng\u0103n ch\u00e1y. L\u1edbp ph\u1ee7 ch\u1ee9a Al(OH)3<\/sub> \u00edt kh\u00f3i nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t th\u1eddi gian ch\u1ed1ng ch\u00e1y l\u00e2u nh\u1ea5t, l\u00e0 ph\u1ee5 gia ch\u1ed1ng ch\u00e1y r\u1ea5t t\u1ed1t.<\/p>\n

Th\u1ee9 t\u1ef1 so s\u00e1nh n\u0103m ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 l\u00e0: Al(OH)3<\/sub>> wollastonite> kaolin> talc> CaCO3<\/sub>, v\u00ec v\u1eady l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng Al(OH)3<\/sub> l\u00e0m ch\u1ea5t ch\u1ed1ng ch\u00e1y v\u1edbi wollastonite. Trong c\u00f4ng th\u1ee9c, Silica<\/a> fume Stone 5%, Al(OH)3<\/sub> 2% l\u00e0 l\u1edbp ph\u1ee5 l\u00fd t\u01b0\u1edfng nh\u1ea5t, c\u00f3 th\u1eddi gian ch\u1ed1ng ch\u00e1y l\u00e2u nh\u1ea5t v\u00e0 l\u01b0\u1ee3ng kh\u00f3i \u00edt nh\u1ea5t.<\/p>\n

3) \u1ee8ng d\u1ee5ng c\u1ee7a sericit (muscovite) trong s\u01a1n latex cho c\u00e1c b\u1ee9c t\u01b0\u1eddng b\u00ean ngo\u00e0i c\u1ee7a c\u00e1c t\u00f2a nh\u00e0<\/p>\n

Sericit silicat m\u1ea3nh c\u00f3 ch\u1ee9c n\u0103ng che ch\u1eafn m\u1ea1nh m\u1ebd, c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 h\u01a1n 80% tia c\u1ef1c t\u00edm, g\u1ea7n v\u1edbi t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 tia c\u1ef1c t\u00edm c\u1ee7a titanium dioxide, ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed1t, c\u00e1ch nhi\u1ec7t, \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc t\u1ed1t, kh\u00e1ng axit v\u00e0 ki\u1ec1m, th\u1ea5m n\u01b0\u1edbc. Khi th\u00eam 5% v\u00e0o s\u01a1n latex cho t\u01b0\u1eddng ngo\u1ea1i th\u1ea5t, n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft c\u1ee7a l\u1edbp ph\u1ee7, l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh bong tr\u00f3c, \u0111\u1ed5i m\u00e0u v\u00e0 n\u1ee9t c\u1ee7a l\u1edbp ph\u1ee7, \u0111\u1ed3ng th\u1eddi t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 d\u1ebbo dai c\u1ee7a m\u00e0ng s\u01a1n. M\u1ed9t th\u1eed nghi\u1ec7m l\u00e3o h\u00f3a nh\u00e2n t\u1ea1o k\u00e9o d\u00e0i 600 gi\u1edd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u00ean l\u1edbp ph\u1ee7 cao su ch\u1ee9a sericit \u01b0\u1edbt Ca4 v\u00e0 l\u1edbp ph\u1ee7 cao su. Hi\u1ec7u su\u1ea5t v\u00e0 v\u1ebb ngo\u00e0i l\u00e3o h\u00f3a \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n t\u1eeb bong tr\u00f3c v\u00e0 bong tr\u00f3c th\u00e0nh bong tr\u00f3c kh\u00f4ng t\u1ea1o b\u1ecdt v\u00e0 kh\u00f4ng n\u1ee9t n\u1ebb, v\u00e0 s\u1ef1 \u0111\u1ed5i m\u00e0u thay \u0111\u1ed5i t\u1eeb c\u1ea5p \u0111\u1ed9 2 \u0111\u1ebfn c\u1ea5p \u0111\u1ed9 1. Ph\u1ea5n thay \u0111\u1ed5i t\u1eeb c\u1ea5p \u0111\u1ed9 3 \u0111\u1ebfn c\u1ea5p \u0111\u1ed9 0 (kh\u00f4ng c\u00f3 ph\u1ea5n), nh\u01b0ng sericit th\u00ec kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi hi\u1ec7u \u1ee9ng m\u1edd r\u00f5 r\u00e0ng c\u1ee7a s\u01a1n latex t\u01b0\u1eddng b\u00ean ngo\u00e0i c\u00f3 \u0111\u1ed9 b\u00f3ng cao tr\u00ean s\u01a1n.<\/p>\n

2. Vai tr\u00f2 c\u1ee7a v\u1eadt li\u1ec7u b\u1ed9t trong s\u01a1n ph\u1ee7<\/h4>\n

V\u1eadt li\u1ec7u b\u1ed9t cho l\u1edbp ph\u1ee7 bao g\u1ed3m b\u1ed9t m\u00e0u k\u00e9o d\u00e0i, b\u1ed9t m\u00e0u ch\u1ed1ng r\u1ec9, b\u1ed9t m\u00e0u t\u1ea1o m\u00e0u, b\u1ed9t m\u00e0u \u0111\u1eb7c bi\u1ec7t v\u00e0 b\u1ed9t m\u00e0u ch\u1ee9c n\u0103ng. Trong s\u1ed1 \u0111\u00f3, b\u1ed9t m\u00e0u k\u00e9o d\u00e0i l\u00e0 m\u1ed9t nh\u00e1nh ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng h\u1ea1t b\u1ed9t. Do k\u00edch th\u01b0\u1edbc h\u1ea1t, h\u00ecnh d\u1ea1ng h\u1ea1t, \u0111\u1ed9 h\u00fat d\u1ea7u, \u0111\u1eb7c t\u00ednh m\u1eadt \u0111\u1ed9 c\u1ee7a b\u1ed9t m\u00e0u k\u00e9o d\u00e0i ho\u1eb7c c\u00e1c \u0111\u1eb7c t\u00ednh ri\u00eang bi\u1ec7t sau khi s\u1eeda \u0111\u1ed5i, n\u00f3 c\u00f3 \u1ea3nh h\u01b0\u1edfng v\u00e0 \u1ea3nh h\u01b0\u1edfng nh\u1ea5t \u0111\u1ecbnh \u0111\u1ebfn l\u1edbp ph\u1ee7. \u0110\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c v\u1eadt li\u1ec7u b\u1ed9t si\u00eau m\u1ecbn cho \u0111\u1ebfn c\u00e1c v\u1eadt li\u1ec7u quy m\u00f4 nano c\u00f3 t\u00e1c d\u1ee5ng r\u00f5 r\u00e0ng h\u01a1n \u0111\u1ed1i v\u1edbi l\u1edbp ph\u1ee7, v\u00e0 \u0111\u1ea1i kh\u00e1i c\u00f3 c\u00e1c t\u00e1c d\u1ee5ng sau:<\/p>\n

1) S\u1ee9c m\u1ea1nh \u1ea9n c\u1ee7a s\u1eafc t\u1ed1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3<\/p>\n

2) H\u00e0m l\u01b0\u1ee3ng r\u1eafn c\u1ee7a s\u01a1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng l\u00ean v\u00e0 c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i c\u00f3 h\u1ea1i (VOC) trong s\u01a1n.<\/p>\n

3) N\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng c\u1ecd r\u1eeda c\u1ee7a l\u1edbp ph\u1ee7 v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 b\u00f3ng c\u1ee7a l\u1edbp ph\u1ee7<\/p>\n

4) N\u00f3 c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t s\u1ef1 l\u1eafng c\u1eb7n c\u1ee7a h\u1ec7 th\u1ed1ng ph\u1ee7 v\u00e0 t\u0103ng \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a m\u00e0ng ph\u1ee7.<\/p>\n

5) N\u00f3 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 nh\u1edbt c\u1ee7a h\u1ec7 s\u01a1n v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a l\u1edbp ph\u1ee7<\/p>\n

6) N\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ch\u1ed1ng tr\u01b0\u1ee3t c\u1ee7a l\u1edbp ph\u1ee7<\/p>\n

7) Khi n\u1ed3ng \u0111\u1ed9 ch\u1ea5t m\u00e0u trong c\u00f4ng th\u1ee9c l\u1edbp ph\u1ee7 nh\u1ecf h\u01a1n n\u1ed3ng \u0111\u1ed9 ch\u1ea5t m\u00e0u quan tr\u1ecdng, kh\u1ea3 n\u0103ng bao ph\u1ee7 kh\u00f4 c\u1ee7a m\u00e0ng ph\u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/p>\n

8) C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ea5t gia c\u1ed1 v\u00e0 ch\u1ea5t m\u1edf r\u1ed9ng cho c\u00e1c l\u1edbp ph\u1ee7<\/p>\n

9) N\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u1ed1 v\u00e0 ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a l\u1edbp ph\u1ee7.<\/p>\n

10) Ch\u1ea5t \u0111\u1ec7m c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 pH c\u1ee7a l\u1edbp ph\u1ee7 latex g\u1ed1c n\u01b0\u1edbc<\/p>\n

11) N\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u1ea3m gi\u00e1c tay c\u1ee7a l\u1edbp ph\u1ee7 v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a l\u1edbp ph\u1ee7 khi c\u1ea3m th\u1ea5y \u01b0\u1edbt v\u00e0 kh\u00f4. B\u1ed9t m\u00e0u k\u00e9o d\u00e0i kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n \u0111\u1ec3 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t l\u1edbp ph\u1ee7, m\u00e0 c\u00e1c ch\u1ea5t m\u00e0u k\u00e9o d\u00e0i \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u1eb7c bi\u1ec7t c\u0169ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 ch\u1ee9c n\u0103ng c\u1ee7a l\u1edbp ph\u1ee7.<\/p>\n

 <\/p>\n

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

1. \u1ee8ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u b\u1ed9t trong s\u01a1n ph\u1ee7 1) Ch\u1ea5t m\u00e0u k\u00e9o d\u00e0i (canxi n\u1eb7ng, canxi nh\u1eb9, cao lanh, v.v.) c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u \u1ee9ng “kh\u1ea3 n\u0103ng \u1ea9n kh\u00f4” c\u1ee7a l\u1edbp ph\u1ee7 cao su, thay th\u1ebf m\u1ed9t ph\u1ea7n l\u01b0\u1ee3ng titan \u0111i\u00f4x\u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng (\u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 t\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n ho\u1eb7c t\u1ef7 l\u1ec7 \u1ea9n) \u0111\u1ec3 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t .<\/p>\n","protected":false},"author":6,"featured_media":110527,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-113048","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113048","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=113048"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/113048\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/110527"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=113048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=113048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=113048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}