{"id":118778,"date":"2022-09-14T15:30:09","date_gmt":"2022-09-14T07:30:09","guid":{"rendered":"https:\/\/www.alpapowder.com\/118778\/"},"modified":"2022-09-14T15:30:09","modified_gmt":"2022-09-14T07:30:09","slug":"bot-talc-dung-de-gia-co-va-chinh-sua-nhua-cang-trang-cang-tot","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/118778\/","title":{"rendered":"B\u1ed9t talc d\u00f9ng \u0111\u1ec3 gia c\u1ed1 v\u00e0 ch\u1ec9nh s\u1eeda nh\u1ef1a, c\u00e0ng tr\u1eafng c\u00e0ng t\u1ed1t?"},"content":{"rendered":"

\"\"<\/p>\n

Gia c\u1ed1 v\u00e0 s\u1eeda \u0111\u1ed5i 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, v\u00e0 \u0111\u1ed9 tr\u1eafng l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m talc. V\u00ec v\u1eady, c\u00f3 ph\u1ea3i b\u1ed9t talc cho nh\u1ef1a, c\u00e0ng tr\u1eafng c\u00e0ng t\u1ed1t?<\/p>\n

\u0110\u1ed9 tr\u1eafng c\u1ee7a b\u1ed9t talc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1ef1a th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1edfi CIE Lab (L * a * b *). Ngo\u00e0i vi\u1ec7c \u0111o \u0111\u1ed9 tr\u1eafng kh\u00f4, ng\u01b0\u1eddi ta c\u00f2n \u0111o \u0111\u1ed9 tr\u1eafng \u01b0\u1edbt. \u0110\u1ed9 tr\u1eafng kh\u00f4 l\u00e0 \u0111\u1ecbnh ngh\u0129a c\u1ee7a \u0111\u1ed9 tr\u1eafng theo ngh\u0129a th\u00f4ng th\u01b0\u1eddng. \u0110\u1ed9 tr\u1eafng \u01b0\u1edbt l\u00e0 \u0111\u1ed9 tr\u1eafng c\u1ee7a b\u1ed9t talc sau khi th\u00eam m\u1ed9t l\u01b0\u1ee3ng th\u00edch h\u1ee3p DMP (dimethyl phthalate) ho\u1eb7c DOP (dioctyl phthalate).<\/p>\n

C\u00e1c y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 tr\u1eafng c\u1ee7a b\u1ed9t talc kh\u00f4ng ch\u1ec9 l\u00e0 nguy\u00ean li\u1ec7u th\u00f4 m\u00e0 c\u00f2n l\u00e0 k\u00edch th\u01b0\u1edbc h\u1ea1t, \u0111\u1ed9 \u1ea9m v\u00e0 t\u1ea1p ch\u1ea5t. N\u1ebfu n\u00f3 ch\u1ee9a c\u00e1c t\u1ea1p ch\u1ea5t s\u1eabm m\u00e0u, ch\u1eb3ng h\u1ea1n nh\u01b0 sunfua s\u1eaft, than ch\u00ec, v.v., s\u1ea3n ph\u1ea9m c\u00e0ng m\u1ecbn th\u00ec \u0111\u1ed9 tr\u1eafng c\u00e0ng th\u1ea5p.<\/p>\n

C\u00f3 r\u1ea5t nhi\u1ec1u m\u00e0u s\u1eafc c\u1ee7a talc trong t\u1ef1 nhi\u00ean. B\u1ed9t talc m\u00e0u s\u00e1ng c\u00f3 m\u00e0u tr\u1eafng sau khi nghi\u1ec1n, nh\u01b0ng sau khi tr\u1ed9n v\u1edbi nh\u1ef1a th\u00f4ng, m\u00e0u c\u1ee7a ma tr\u1eadn s\u1ebd th\u1ec3 hi\u1ec7n \u00edt nhi\u1ec1u m\u00e0u th\u1eadt c\u1ee7a b\u1ed9t talc. Nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y h\u1ea1n ch\u1ebf t\u00ednh linh ho\u1ea1t c\u1ee7a b\u1ed9t talc, \u0111\u1eb7c bi\u1ec7t l\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9t talc t\u1ed1i m\u00e0u trong nh\u1ef1a. So v\u1edbi \u0111\u1ed9 tr\u1eafng kh\u00f4, \u0111\u1ed9 tr\u1eafng \u01b0\u1edbt c\u00f3 th\u1ec3 ph\u1ea3n \u00e1nh tr\u1ef1c quan h\u01a1n m\u1ee9c \u0111\u1ed9 b\u1ed9t talc thay \u0111\u1ed5i m\u00e0u c\u1ee7a ma tr\u1eadn nh\u1ef1a. Gi\u00e1 tr\u1ecb b * (b) trong \u0111\u1ed9 tr\u1eafng \u01b0\u1edbt c\u00e0ng th\u1ea5p, s\u1ef1 thay \u0111\u1ed5i m\u00e0u s\u1eafc c\u1ee7a ma tr\u1eadn nh\u1ef1a c\u00e0ng nh\u1ecf.<\/p>\n

H\u1ea7u h\u1ebft b\u1ed9t talc tr\u00ean th\u1ebf gi\u1edbi kh\u00f4ng c\u00f3 m\u00e0u tr\u1eafng. B\u1ed9t talc tr\u1eafng ch\u1ee7 y\u1ebfu \u0111\u1ebfn t\u1eeb Trung Qu\u1ed1c, Afghanistan v\u00e0 \u1ea4n \u0110\u1ed9, s\u1ed1 l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u1ed1i h\u1ea1n ch\u1ebf. V\u1edbi nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng \u0111\u1ed1i v\u1edbi b\u1ed9t talc tr\u1eafng trong ng\u00e0nh nh\u1ef1a, gi\u00e1 \u0111\u00e3 ti\u1ebfp t\u1ee5c t\u0103ng trong 20 n\u0103m qua. S\u1ef1 thi\u1ebfu h\u1ee5t b\u1ed9t talc tr\u1eafng l\u00e0 m\u1ed9t xu h\u01b0\u1edbng d\u00e0i h\u1ea1n trong t\u01b0\u01a1ng lai. Tr\u00ean th\u1ef1c t\u1ebf, b\u1ed9t talc tr\u1eafng kh\u00f4ng c\u1ea7n thi\u1ebft trong nhi\u1ec1u \u1ee9ng d\u1ee5ng. V\u00ed d\u1ee5, trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng v\u00e0 s\u1eeda \u0111\u1ed5i nh\u1ef1a s\u1eabm m\u00e0u, hi\u1ec7u qu\u1ea3 t\u0103ng c\u01b0\u1eddng c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9t talc tr\u1eafng v\u00e0 b\u1ed9t talc s\u1eabm m\u00e0u l\u00e0 nh\u01b0 nhau.<\/p>\n

C\u00e1c th\u1eed nghi\u1ec7m cho th\u1ea5y c\u1ee9 t\u0103ng 1% \u0111\u1ed9 tr\u1eafng \u01b0\u1edbt c\u1ee7a b\u1ed9t talc th\u00ec \u0111\u1ed9 tr\u1eafng c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng ch\u1ec9 t\u0103ng 0,2% \u0111\u1ebfn 0,3%. Theo \u0111u\u1ed5i m\u1ed9t chi\u1ec1u v\u1ec1 \u0111\u1ed9 tr\u1eafng c\u1ee7a b\u1ed9t talc l\u00e0 v\u00f4 ngh\u0129a. Tr\u01b0\u1edbc \u0111\u00e2y, do gi\u00e1 b\u1ed9t talc tr\u1eafng qu\u00e1 th\u1ea5p n\u00ean nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng ngh\u0129 nhi\u1ec1u \u0111\u1ebfn vi\u1ec7c chi ph\u00ed s\u1eed d\u1ee5ng b\u1ed9t talc tr\u1eafng s\u1ebd t\u0103ng l\u00ean. V\u1edbi vi\u1ec7c gi\u1ea3m ngu\u1ed3n cung v\u00e0 t\u0103ng gi\u00e1, c\u1ea7n thay \u0111\u1ed5i th\u00f3i quen s\u1eed d\u1ee5ng v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng to\u00e0n di\u1ec7n c\u00e1c ngu\u1ed3n l\u1ef1c.<\/p>\n

B\u1ed9t talc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng v\u00e0 s\u1eeda \u0111\u1ed5i c\u0169ng c\u1ea7n ph\u1ea3i ki\u1ec3m so\u00e1t s\u1ed1 l\u01b0\u1ee3ng \u0111i\u1ec3m \u0111en, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m s\u00e1ng m\u00e0u c\u00f3 y\u00eau c\u1ea7u cao h\u01a1n v\u1ec1 ngo\u1ea1i h\u00ecnh. Nh\u1eefng \u0111\u1ed1m \u0111en n\u00e0y \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh sau khi nghi\u1ec1n qu\u1eb7ng s\u1eaft sunfua t\u1ef1 nhi\u00ean, c\u00e1c kho\u00e1ng ch\u1ea5t s\u1eabm m\u00e0u nh\u01b0 than ch\u00ec, ho\u1eb7c c\u00e1c t\u1ea1p ch\u1ea5t s\u1eabm m\u00e0u t\u1eeb qu\u00e1 tr\u00ecnh khai th\u00e1c. M\u1ed9t s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf c\u00e1c \u0111\u1ed1m \u0111en v\u1ec1 c\u01a1 b\u1ea3n kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tr\u1eafng, nh\u01b0ng c\u00e1c khuy\u1ebft t\u1eadt \u0111\u1ed1m \u0111en c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y s\u1ebd \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a s\u00e1ng m\u00e0u, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00ecnh th\u1ee9c b\u00ean ngo\u00e0i. M\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c \u0111i\u1ec3m \u0111en s\u1ebd \u1ea3nh h\u01b0\u1edfng x\u1ea5u \u0111\u1ebfn \u0111\u1ed9 tr\u1eafng. C\u00e1c t\u1ea1p ch\u1ea5t s\u1ebd b\u1ecb ph\u00e1 v\u1ee1 th\u00eam khi \u0111\u1ed9 m\u1ecbn c\u1ee7a b\u1ed9t t\u0103ng l\u00ean, d\u1eabn \u0111\u1ebfn gi\u1ea3m \u0111\u1ed9 tr\u1eafng c\u1ee7a b\u1ed9t.<\/p>\n","protected":false},"excerpt":{"rendered":"

Gia c\u1ed1 v\u00e0 s\u1eeda \u0111\u1ed5i 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, v\u00e0 \u0111\u1ed9 tr\u1eafng l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m talc.<\/p>\n","protected":false},"author":7,"featured_media":118754,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-118778","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\/118778","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=118778"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/118778\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/118754"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=118778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=118778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=118778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}