{"id":110507,"date":"2021-08-26T14:48:23","date_gmt":"2021-08-26T06:48:23","guid":{"rendered":"https:\/\/www.alpapowder.com\/110507\/"},"modified":"2021-08-26T14:48:23","modified_gmt":"2021-08-26T06:48:23","slug":"phuong-phap-dieu-che-va-dieu-che-cacbon-den-trang","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/110507\/","title":{"rendered":"Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf v\u00e0 \u0111i\u1ec1u ch\u1ebf cacbon \u0111en tr\u1eafng"},"content":{"rendered":"

Cacbon \u0111en tr\u1eafng l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef chung cho b\u1ed9t m\u1ecbn ho\u1eb7c h\u1ea1t si\u00eau m\u1ecbn, silic \u0111i\u00f4x\u00edt ho\u1eb7c silicat khan v\u00e0 ng\u1eadm n\u01b0\u1edbc. N\u00f3 l\u00e0 ch\u1ea5t d\u1ea1ng h\u1ea1t ho\u1eb7c b\u1ed9t m\u1ecbn m\u00e0u tr\u1eafng, kh\u00f4ng \u0111\u1ed9c, v\u00f4 \u0111\u1ecbnh h\u00ecnh v\u00e0 h\u00e0m l\u01b0\u1ee3ng silicon<\/a> dioxide l\u1edbn h\u01a1n 90%, k\u00edch th\u01b0\u1edbc h\u1ea1t ban \u0111\u1ea7u th\u01b0\u1eddng l\u00e0 5-40nm, do b\u1ec1 m\u1eb7t ch\u1ee9a nhi\u1ec1u nh\u00f3m hydroxyl h\u01a1n n\u00ean d\u1ec5 h\u1ea5p th\u1ee5 n\u01b0\u1edbc v\u00e0 tr\u1edf th\u00e0nh c\u00e1c h\u1ea1t m\u1ecbn k\u1ebft t\u1ee5.<\/p>\n

S\u1ea3n ph\u1ea9m carbon \u0111en tr\u1eafng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ph\u01b0\u01a1ng ph\u00e1p k\u1ebft t\u1ee7a carbon \u0111en tr\u1eafng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p pha kh\u00ed carbon \u0111en tr\u1eafng t\u00f9y theo nh\u00e0 s\u1ea3n xu\u1ea5t, v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ph\u01b0\u01a1ng ph\u00e1p pha kh\u00ed carbon \u0111en tr\u1eafng, carbon \u0111en k\u1ebft t\u1ee7a tr\u1eafng th\u00f4ng th\u01b0\u1eddng v\u00e0 carbon \u0111en tr\u1eafng k\u1ebft t\u1ee7a ph\u00e2n t\u00e1n cao theo t\u1edbi ch\u1ee3.<\/p>\n

Carbon \u0111en tr\u1eafng pha kh\u00ed c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf (15-25nm), t\u1ea1p ch\u1ea5t th\u1ea5p v\u00e0 \u0111\u1ed9 tinh khi\u1ebft cao, kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc v\u01b0\u1ee3t tr\u1ed9i, t\u00ednh ch\u1ea5t \u0111i\u1ec7n m\u00f4i t\u1ed1t, t\u00ednh bay h\u01a1i l\u1edbn v\u00e0 t\u00ednh gia c\u01b0\u1eddng cao, nh\u01b0ng quy tr\u00ecnh ph\u1ee9c t\u1ea1p v\u00e0 gi\u00e1 th\u00e0nh cao.<\/p>\n

Silica k\u1ebft t\u1ee7a c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t l\u1edbn (20-40nm), \u0111\u1ed9 tinh khi\u1ebft th\u1ea5p, t\u00ednh gia c\u01b0\u1eddng v\u00e0 \u0111i\u1ec7n m\u00f4i k\u00e9m, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00ednh ch\u1ea5t u\u1ed1n v\u00e0 n\u1ee9t c\u1ee7a cao su, \u0111\u1ed3ng th\u1eddi c\u00f3 hi\u1ec7u su\u1ea5t qu\u00e1 tr\u00ecnh t\u1ed1t v\u00e0 gi\u00e1 th\u00e0nh r\u1ebb.<\/p>\n

\u0110i\u1ec1u ch\u1ebf carbon \u0111en tr\u1eafng<\/h4>\n

Ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ebf mu\u1ed9i than tr\u1eafng l\u00e0 s\u1eed d\u1ee5ng natri silicat, silic tetraclorua, v\u00e0 etyl orthosilicat l\u00e0m ngu\u1ed3n silic. Ngo\u1ea1i tr\u1eeb natri silicat, c\u00e1c chi ph\u00ed kh\u00e1c \u0111\u1ec1u r\u1ea5t cao. Ph\u01b0\u01a1ng ph\u00e1p m\u1edbi s\u1eed d\u1ee5ng kho\u00e1ng phi kim lo\u1ea1i r\u1ebb ti\u1ec1n l\u00e0m ngu\u1ed3n silicon<\/a>, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed s\u1ea3n xu\u1ea5t carbon \u0111en tr\u1eafng.<\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng kho\u00e1ng phi kim lo\u1ea1i \u0111\u1ec3 t\u1ea1o ra mu\u1ed9i than tr\u1eafng l\u00e0 kh\u1ea3 thi v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt v\u00e0 mang l\u1ea1i l\u1ee3i \u00edch kinh t\u1ebf t\u1ed1t. Nguy\u00ean li\u1ec7u th\u00f4 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 diatomit, serpentine, bentonit, kaolin<\/a>, wollastonit, c\u00e1t th\u1ea1ch anh, sepiolit v\u00e0 c\u00e1c v\u1ebft s\u01b0ng. \u0110\u00e1 que, tro bay, axonit, than \u0111\u00e1, photphorit v\u00e0ng, v.v.<\/p>\n

S\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a carbon \u0111en tr\u1eafng<\/h4>\n

S\u1ef1 bi\u1ebfn \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a carbon \u0111en tr\u1eafng l\u00e0 s\u1eed d\u1ee5ng ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 l\u00e0m cho c\u00e1c nh\u00f3m hydroxyl tr\u00ean b\u1ec1 m\u1eb7t carbon \u0111en tr\u1eafng ph\u1ea3n \u1ee9ng v\u1edbi ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh h\u00f3a h\u1ecdc \u0111\u1ec3 lo\u1ea1i b\u1ecf ho\u1eb7c gi\u1ea3m nh\u00f3m silanol tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch thay \u0111\u1ed5i t\u00ednh ch\u1ea5t b\u1ec1 m\u1eb7t .<\/p>\n

C\u00f3 ba lo\u1ea1i nh\u00f3m hydroxyl tr\u00ean b\u1ec1 m\u1eb7t cacbon tr\u1eafng: nh\u00f3m hydroxyl c\u00f4 l\u1eadp v\u00e0 kh\u00f4ng b\u1ecb x\u00e1o tr\u1ed9n, nh\u00f3m hydroxyl li\u1ec1n k\u1ec1 t\u1ea1o li\u00ean k\u1ebft hydro v\u1edbi nhau, v\u00e0 hai nh\u00f3m hydroxyl n\u1ed1i v\u1edbi nguy\u00ean t\u1eed Si.<\/p>\n

Qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i kh\u00f4 r\u1ea5t \u0111\u01a1n gi\u1ea3n, \u00edt th\u1ee7 t\u1ee5c sau ch\u1ebf bi\u1ebfn v\u00e0 d\u1ec5 d\u00e0ng s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t bi\u1ebfn t\u00ednh \u01b0\u1edbt r\u1ea5t \u0111\u01a1n gi\u1ea3n, s\u1eed d\u1ee5ng \u00edt thi\u1ebft b\u1ecb h\u01a1n v\u00e0 chi ph\u00ed s\u1ea3n xu\u1ea5t th\u1ea5p h\u01a1n.<\/p>\n

\u1ee8ng d\u1ee5ng c\u1ee7a carbon \u0111en tr\u1eafng<\/h4>\n

Ch\u1ea5t gia c\u1ed1 v\u00e0 ch\u1ea5t \u0111\u1ed9n trong l\u0129nh v\u1ef1c cao su<\/p>\n

\"\"<\/p>\n

Ch\u1ea5t mang v\u00e0 ch\u1ea5t \u0111\u1ed9n cho th\u1ee9c \u0103n ch\u0103n nu\u00f4i, thu\u1ed1c tr\u1eeb s\u00e2u v\u00e0 thu\u1ed1c<\/p>\n

\"\"<\/p>\n

L\u00e0m m\u1edd, l\u00e0m d\u00e0y v\u00e0 ch\u1ed1ng l\u1eafng c\u1ee7a s\u01a1n v\u00e0 m\u1ef1c<\/p>\n

\"\"<\/p>\n

Ch\u1ea5t t\u1ea1o ma s\u00e1t v\u00e0 ch\u1ea5t l\u00e0m \u0111\u1eb7c cho kem \u0111\u00e1nh r\u0103ng, ch\u1ea5t l\u00e0m \u0111\u1ea7y \u0111\u1ec3 l\u00e0m gi\u1ea5y<\/p>\n

\"\"<\/p>\n

 <\/p>\n

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

Cacbon \u0111en tr\u1eafng l\u00e0 m\u1ed9t thu\u1eadt ng\u1eef chung cho b\u1ed9t m\u1ecbn ho\u1eb7c h\u1ea1t si\u00eau m\u1ecbn, silic \u0111i\u00f4x\u00edt ho\u1eb7c silicat khan v\u00e0 ng\u1eadm n\u01b0\u1edbc. N\u00f3 l\u00e0 ch\u1ea5t d\u1ea1ng h\u1ea1t ho\u1eb7c b\u1ed9t m\u1ecbn m\u00e0u tr\u1eafng, kh\u00f4ng \u0111\u1ed9c, v\u00f4 \u0111\u1ecbnh h\u00ecnh v\u00e0 h\u00e0m l\u01b0\u1ee3ng silicon dioxide l\u1edbn h\u01a1n 90%, k\u00edch th\u01b0\u1edbc h\u1ea1t ban \u0111\u1ea7u th\u01b0\u1eddng l\u00e0 5-40nm, do b\u1ec1 m\u1eb7t ch\u1ee9a nhi\u1ec1u nh\u00f3m hydroxyl h\u01a1n n\u00ean d\u1ec5 h\u1ea5p th\u1ee5 n\u01b0\u1edbc v\u00e0 tr\u1edf th\u00e0nh c\u00e1c h\u1ea1t m\u1ecbn k\u1ebft t\u1ee5.<\/p>\n","protected":false},"author":6,"featured_media":110481,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-110507","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\/110507","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=110507"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/110507\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/110481"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=110507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=110507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=110507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}