{"id":117530,"date":"2022-07-08T10:24:09","date_gmt":"2022-07-08T02:24:09","guid":{"rendered":"https:\/\/www.alpapowder.com\/117530\/"},"modified":"2022-07-05T10:36:43","modified_gmt":"2022-07-05T02:36:43","slug":"anh-huong-cua-do-tinh-khiet-cua-bot-talc-den-hieu-ung-sua-doi-nhua","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/117530\/","title":{"rendered":"\u1ea2nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a b\u1ed9t talc \u0111\u1ebfn hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i nh\u1ef1a"},"content":{"rendered":"

\"\"<\/p>\n

S\u1eeda \u0111\u1ed5i gia c\u1ed1 nh\u1ef1a l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a talc, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh polypropylene trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 v\u00e0 thi\u1ebft b\u1ecb gia d\u1ee5ng. Talc c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u1ee7a s\u1ea3n ph\u1ea9m, t\u0103ng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 gi\u1ea3m \u0111\u1ed9 co ng\u00f3t c\u1ee7a khu\u00f4n \u0111\u00fac. B\u1ed9t talc si\u00eau m\u1ecbn c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng, kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e3o v\u00e0 s\u1ee9c m\u1ea1nh va \u0111\u1eadp c\u1ee7a s\u1ea3n ph\u1ea9m. Do \u0111\u00f3, nhi\u1ec1u b\u1ed9 ph\u1eadn n\u1ed9i th\u1ea5t, ngo\u1ea1i th\u1ea5t v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u c\u1ee7a xe s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u polypropylene c\u1ea3i ti\u1ebfn gia c\u1ed1 b\u1eb1ng talc.<\/p>\n

\u0110\u1ed9 tinh khi\u1ebft \u0111\u1ec1 c\u1eadp \u0111\u1ebfn h\u00e0m l\u01b0\u1ee3ng talc c\u1ee7a s\u1ea3n ph\u1ea9m. \u0110\u1ed9 tinh khi\u1ebft c\u1ee7a talc c\u00e0ng cao, t\u00e1c d\u1ee5ng c\u1ee7ng c\u1ed1 c\u1ee7a n\u00f3 c\u00e0ng t\u1ed1t. Ph\u00e9p \u0111o tr\u1ef1c ti\u1ebfp \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a b\u1ed9t talc ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0\u1edbc t\u00ednh b\u1eb1ng t\u1ed5n th\u1ea5t khi b\u1eaft l\u1eeda \u1edf 1050 \u00b0 C, th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng SiO2<\/a>. T\u1ed5n th\u1ea5t khi b\u1eaft l\u1eeda c\u00e0ng th\u1ea5p, gi\u00e1 tr\u1ecb SiO2<\/a> c\u00e0ng cao v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u00e0ng cao. H\u00e0m l\u01b0\u1ee3ng SiO2<\/a> c\u1ee7a b\u1ed9t talc nguy\u00ean ch\u1ea5t l\u00e0 63,47% v\u00e0 t\u1ed5n th\u1ea5t khi b\u1eaft l\u1eeda l\u00e0 4,75%. T\u00e1c d\u1ee5ng n\u00e2ng cao v\u00e0 bi\u1ebfn t\u00ednh c\u1ee7a b\u1ed9t talc v\u1edbi \u0111\u1ed9 m\u1ea5t khi b\u1eaft l\u1eeda <8,5% l\u00e0 r\u00f5 r\u00e0ng; Hi\u1ec7u qu\u1ea3 n\u00e2ng cao c\u1ee7a s\u1eeda \u0111\u1ed5i v\u1edbi t\u1ed5n th\u1ea5t khi \u0111\u00e1nh l\u1eeda l\u00e0 8,5% \u0111\u1ebfn 16% l\u00e0 y\u1ebfu;<\/p>\n

B\u1ed9t talc t\u1ef1 nhi\u00ean c\u00f3 ch\u1ee9a c\u00e1c kho\u00e1ng ch\u1ea5t kh\u00f4ng t\u1ea1p ch\u1ea5t, s\u1ebd c\u00f3 nhi\u1ec1u t\u00e1c d\u1ee5ng ph\u1ee5 kh\u00e1c nhau \u0111\u1ed1i v\u1edbi hi\u1ec7u \u1ee9ng s\u1eeda \u0111\u1ed5i. C\u00e1c t\u1ea1p ch\u1ea5t n\u00e0y bao g\u1ed3m: magnesit, dolomit, clorit, th\u1ea1ch anh, mu\u1ed1i s\u1eaft, kim lo\u1ea1i n\u1eb7ng, v.v.<\/p>\n

C\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 ch\u1ec9 ra r\u1eb1ng c\u00e1c lo\u1ea1i v\u00e0 h\u00e0m l\u01b0\u1ee3ng c\u1ee7a c\u00e1c t\u1ea1p ch\u1ea5t talc c\u00f3 ngu\u1ed3n g\u1ed1c kh\u00e1c nhau l\u00e0 kh\u00e1c nhau, v\u00e0 t\u00e1c d\u1ee5ng c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi vi\u1ec7c t\u0103ng c\u01b0\u1eddng v\u00e0 s\u1eeda \u0111\u1ed5i c\u0169ng kh\u00e1c nhau. Magnesit v\u00e0 dolomit c\u00f3 nh\u1eefng t\u00e1c \u0111\u1ed9ng b\u1ea5t l\u1ee3i r\u00f5 r\u00e0ng \u0111\u1ebfn m\u00f4 \u0111un u\u1ed1n v\u00e0 \u0111\u1ed9 b\u1ec1n nhi\u1ec7t, v\u00e0 clorit c\u0169ng c\u00f3 Nh\u1eefng t\u00e1c \u0111\u1ed9ng b\u1ea5t l\u1ee3i nh\u1ecf h\u01a1n so v\u1edbi magnesit v\u00e0 dolomit; kim lo\u1ea1i n\u1eb7ng v\u00e0 mu\u1ed1i s\u1eaft c\u00f3 \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00e3o h\u00f3a v\u00e0 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a ch\u1ea5t d\u1ebbo; C\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a kim lo\u1ea1i n\u1eb7ng c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd theo c\u00e1ch kh\u00e1c, v\u00e0 c\u00e1c kim lo\u1ea1i n\u1eb7ng trong c\u1ea5u tr\u00fac b\u1ed9t talc cao h\u01a1n c\u00e1c kim lo\u1ea1i trong cacbon. Kim lo\u1ea1i n\u1eb7ng trong mu\u1ed1i axit v\u00e0 c\u00e1c c\u1ea5u tr\u00fac kho\u00e1ng t\u1ea1p ch\u1ea5t kh\u00e1c \u00edt \u1ea3nh h\u01b0\u1edfng h\u01a1n.<\/p>\n

V\u00ec v\u1eady, khi l\u1ef1a ch\u1ecdn m\u1ed9t lo\u1ea1i b\u1ed9t talc, kh\u00f4ng ch\u1ec9 c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a n\u00f3 m\u00e0 c\u00f2n ph\u1ea3i t\u00ecm hi\u1ec3u ngu\u1ed3n g\u1ed1c xu\u1ea5t x\u1ee9, lo\u1ea1i v\u00e0 h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t trong \u0111\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"

S\u1eeda \u0111\u1ed5i gia c\u1ed1 nh\u1ef1a l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng c\u1ee7a talc, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh polypropylene trong ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 v\u00e0 thi\u1ebft b\u1ecb gia d\u1ee5ng. Talc c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u1ee7a s\u1ea3n ph\u1ea9m, t\u0103ng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 gi\u1ea3m co ng\u00f3t khu\u00f4n<\/p>\n","protected":false},"author":7,"featured_media":117506,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-117530","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\/117530","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=117530"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/117530\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/117506"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=117530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=117530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=117530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}