{"id":130691,"date":"2024-01-19T14:51:19","date_gmt":"2024-01-19T06:51:19","guid":{"rendered":"https:\/\/www.alpapowder.com\/130691\/"},"modified":"2024-01-19T14:51:20","modified_gmt":"2024-01-19T06:51:20","slug":"su-khac-biet-giua-talc-trang-talc-den-va-hydrotalcite-la-gi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/130691\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa talc tr\u1eafng, talc \u0111en v\u00e0 hydrotalcite l\u00e0 g\u00ec?"},"content":{"rendered":"
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Hi\u1ec7n nay, c\u00e1c s\u1ea3n ph\u1ea9m li\u00ean quan \u0111\u1ebfn \u201ctalc\u201d tr\u00ean th\u1ecb tr\u01b0\u1eddng ch\u1ee7 y\u1ebfu bao g\u1ed3m talc tr\u1eafng, talc \u0111en, hydrotalcite,\u2026 Tuy \u0111\u1ec1u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 talc nh\u01b0ng th\u00e0nh ph\u1ea7n, c\u00f4ng d\u1ee5ng, gi\u00e1 c\u1ea3,\u2026 c\u1ee7a ch\u00fang r\u1ea5t kh\u00e1c nhau.<\/p>\n
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1. B\u1ed9t talc tr\u1eafng<\/p>\n
Talc l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t silicat magie ng\u1eadm n\u01b0\u1edbc, th\u01b0\u1eddng c\u00f3 m\u00e0u tr\u1eafng, \u0111\u00f3 l\u00e0 b\u1ed9t talc m\u00e0u tr\u1eafng. H\u00e3y nh\u00ecn Trung Qu\u1ed1c \u0111\u1ec3 t\u00ecm b\u1ed9t talc c\u1ee7a th\u1ebf gi\u1edbi. B\u1ed9t talc tr\u1eafng cung c\u1ea5p tr\u00ean th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf ch\u1ee7 y\u1ebfu c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb Trung Qu\u1ed1c. \u01afu \u0111i\u1ec3m c\u1ee7a b\u1ed9t talc Trung Qu\u1ed1c kh\u00f4ng ch\u1ec9 th\u1ec3 hi\u1ec7n \u1edf tr\u1eef l\u01b0\u1ee3ng v\u00e0 s\u1ea3n l\u01b0\u1ee3ng m\u00e0 quan tr\u1ecdng h\u01a1n l\u00e0 \u1edf ch\u1ea5t l\u01b0\u1ee3ng v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a b\u1ed9t talc tr\u1eafng, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1ed9t talc tr\u1eafng c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao.<\/p>\n
B\u1ed9t talc tr\u1eafng c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n, c\u00e1ch nhi\u1ec7t cao, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y cao v\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 d\u1ea7u m\u1ea1nh. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t gi\u1ea5y, c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, y h\u1ecdc, cao su, g\u1ed1m s\u1ee9, s\u01a1n, m\u1ef9 ph\u1ea9m v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n
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2. B\u1ed9t talc \u0111en<\/p>\n
B\u1ed9t talc \u0111en l\u00e0 kho\u00e1ng s\u00e9t silicat gi\u00e0u magie lo\u1ea1i 2:1 (T-O-T). N\u00f3 m\u1ec1m, c\u00f3 c\u1ea5u tr\u00fac bong tr\u00f3c v\u00e0 c\u1ea3m gi\u00e1c tr\u01a1n tr\u01b0\u1ee3t. N\u00f3 kh\u00f4ng ch\u1ee9a n\u01b0\u1edbc gi\u1eefa c\u00e1c l\u1edbp, kh\u00f4ng m\u00f9i v\u00e0 kh\u00f4ng v\u1ecb, c\u00f3 t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u1ed5n \u0111\u1ecbnh, c\u00e1c h\u1ea1t nh\u1ecf v\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn. B\u1ed9t talc \u0111en c\u00f3 m\u00e0u x\u00e1m \u0111\u1ebfn \u0111en v\u00ec ch\u1ee9a cacbon h\u1eefu c\u01a1. Th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc, th\u00e0nh ph\u1ea7n kho\u00e1ng ch\u1ea5t v\u00e0 ngu\u1ed3n g\u1ed1c kho\u00e1ng s\u1ea3n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ed9t talc tr\u1eafng. Th\u00e0nh ph\u1ea7n qu\u1eb7ng ch\u00ednh th\u01b0\u1eddng bao g\u1ed3m b\u1ed9t talc, th\u1ea1ch anh, carbon h\u1eefu c\u01a1, v.v..<\/p>\n
Hi\u1ec7n nay, h\u1ea7u h\u1ebft b\u1ed9t talc \u0111en \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn th\u00e0nh b\u1ed9t talc tr\u1eafng th\u00f4ng qua c\u00f4ng ngh\u1ec7 t\u1ea9y tr\u1eafng v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh g\u1ed1m s\u1ee9 truy\u1ec1n th\u1ed1ng v\u00e0 c\u00e1c ch\u1ea5t \u0111\u1ed9n c\u01a1 b\u1ea3n. C\u00e1c h\u01b0\u1edbng nghi\u00ean c\u1ee9u ch\u1ee7 y\u1ebfu l\u00e0 c\u00f4ng ngh\u1ec7 l\u00e0m tr\u1eafng hi\u1ec7u qu\u1ea3 cao v\u00e0 x\u1eed l\u00fd si\u00eau m\u1ecbn.<\/p>\n
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3. Hydrotalxit<\/p>\n
Hydrotalcite \u0111\u01b0\u1ee3c chia th\u00e0nh hydrotalcite t\u1ef1 nhi\u00ean v\u00e0 hydrotalcite t\u1ed5ng h\u1ee3p. Do hydrotalcite t\u1ef1 nhi\u00ean kh\u00f3 khai th\u00e1c v\u00e0 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a n\u00f3 kh\u00f4ng cao n\u00ean ngu\u1ed3n cung c\u1ea5p hydrotalcite cho th\u1ecb tr\u01b0\u1eddng ch\u1ee7 y\u1ebfu l\u00e0 hydrotalcite t\u1ed5ng h\u1ee3p.<\/p>\n
Hydrotalcite t\u1ed5ng h\u1ee3p (LDH) l\u00e0 m\u1ed9t nh\u00f3m c\u00e1c h\u1ee3p ch\u1ea5t ph\u00e2n l\u1edbp anion c\u00f3 tri\u1ec3n v\u1ecdng \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i, ch\u1ee7 y\u1ebfu bao g\u1ed3m hydrotalcite (HT), gi\u1ed1ng hydrotalcite (vi\u1ebft t\u1eaft l\u00e0 HTLC) v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m h\u00f3a h\u1ecdc xen k\u1ebd c\u1ee7a ch\u00fang t\u1ea1o th\u00e0nh hydrotalcite (Pillared LDH).<\/p>\n
Hydrotalcite t\u1ed5ng h\u1ee3p l\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t dihydroxy kh\u00f4ng \u0111\u1ed9c h\u1ea1i v\u1edbi c\u1ea5u tr\u00fac ph\u00e2n l\u1edbp \u0111\u1eb7c bi\u1ec7t. N\u00f3 c\u00f3 c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc nh\u01b0 t\u00ednh ch\u1ea5t t\u00edch \u0111i\u1ec7n, kh\u1ea3 n\u0103ng trao \u0111\u1ed5i anion, t\u00ednh ch\u1ea5t h\u1ea5p ph\u1ee5, t\u00ednh ch\u1ea5t x\u00fac t\u00e1c, v.v. N\u00f3 c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c v\u1eadt li\u1ec7u nh\u1ef1a polymer. Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u1ed5n \u0111\u1ecbnh nhi\u1ec7t cho s\u1ea3n xu\u1ea5t polyvinyl clorua (PVC) v\u00e0 ch\u1ea5t h\u1ea5p th\u1ee5 halogen \u0111\u1ec3 s\u1ea3n xu\u1ea5t nh\u1ef1a polyolefin.<\/p>\n
C\u00e1c lo\u1ea1i th\u00e0nh ph\u1ea9m ch\u00ednh c\u1ee7a hydrotalcite t\u1ed5ng h\u1ee3p bao g\u1ed3m hydrotalcite t\u1ed5ng h\u1ee3p n\u00f3i chung, hydrotalcite t\u1ed5ng h\u1ee3p c\u00f3 \u0111\u1ed9 trong su\u1ed1t cao v\u00e0 hydrotalcite t\u1ed5ng h\u1ee3p ch\u1ed1ng ch\u00e1y.<\/p>\n","protected":false},"excerpt":{"rendered":"
B\u1ed9t talc tr\u1eafng c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n, c\u00e1ch nhi\u1ec7t cao, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y cao v\u00e0 kh\u1ea3 n\u0103ng h\u1ea5p ph\u1ee5 d\u1ea7u m\u1ea1nh. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t gi\u1ea5y, c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, y h\u1ecdc, cao su, g\u1ed1m s\u1ee9, s\u01a1n, m\u1ef9 ph\u1ea9m v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n","protected":false},"author":7,"featured_media":130655,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-130691","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\/130691","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=130691"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/130691\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/130655"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=130691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=130691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=130691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}