{"id":114491,"date":"2021-11-26T16:05:51","date_gmt":"2021-11-26T08:05:51","guid":{"rendered":"https:\/\/www.alpapowder.com\/114491\/"},"modified":"2021-11-26T16:05:51","modified_gmt":"2021-11-26T08:05:51","slug":"ung-dung-cua-talc-trong-sua-doi-nhua","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/114491\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a Talc trong s\u1eeda \u0111\u1ed5i nh\u1ef1a"},"content":{"rendered":"<p>L\u00e0 m\u1ed9t ch\u1ea5t ph\u1ee5 gia, ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c ch\u1ea5t \u0111\u1ed9n, talc \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t gi\u1ea5y, s\u01a1n, ch\u1ea5t ph\u1ee7, g\u1ed1m s\u1ee9, h\u00f3a ch\u1ea5t h\u00e0ng ng\u00e0y, nh\u1ef1a, th\u1ef1c ph\u1ea9m, y h\u1ecdc v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c. Talc c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 k\u1ebft c\u1ea5u m\u1ec1m, \u00edt m\u00e0i m\u00f2n, \u0111\u1ed9 b\u00f3ng cao, h\u00fat d\u1ea7u th\u1ea5p v\u00e0 \u0111\u1ed9 trong su\u1ed1t t\u1ed1t.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-111079 size-full\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/Talc-pic.jpg\" alt=\"\" width=\"1000\" height=\"800\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/Talc-pic.jpg 1000w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/Talc-pic-300x240.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/Talc-pic-768x614.jpg 768w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/Talc-pic-uai-720x576.jpg 720w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<h4>B\u1ed1n \u0111\u1eb7c t\u00ednh c\u1ee7a b\u1ed9t tan<\/h4>\n<ul>\n<li><strong>N\u00e2ng cao<\/strong><\/li>\n<\/ul>\n<p>T\u00e1c d\u1ee5ng t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 c\u1ee7a b\u1ed9t talc \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a ch\u1ee7 y\u1ebfu \u0111\u1ebfn t\u1eeb c\u1ea5u tr\u00fac v\u1ea3y si\u00eau nh\u1ecf \u0111\u1ed9c \u0111\u00e1o c\u1ee7a n\u00f3. C\u1ea5u tr\u00fac v\u1ea3y c\u1ee7a b\u1ed9t talc \u0111\u00e3 qua x\u1eed l\u00fd c\u00e0ng ho\u00e0n thi\u1ec7n th\u00ec t\u00e1c d\u1ee5ng t\u0103ng c\u01b0\u1eddng c\u00e0ng r\u00f5 r\u00e0ng. T\u1ef7 l\u1ec7 \u0111\u01b0\u1eddng k\u00ednh tr\u00ean \u0111\u1ed9 d\u00e0y l\u1edbn h\u01a1n (t\u1ef7 l\u1ec7 \u0111\u01b0\u1eddng k\u00ednh trung b\u00ecnh c\u1ee7a c\u00e1c h\u1ea1t v\u1ea3y v\u1edbi \u0111\u1ed9 d\u00e0y c\u1ee7a ch\u00fang) c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp, m\u00f4 \u0111un u\u1ed1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a.<\/p>\n<ul>\n<li><strong>C\u00e1ch nhi\u1ec7t, r\u00e0o c\u1ea3n<\/strong><\/li>\n<\/ul>\n<p>C\u00e1ch nhi\u1ec7t v\u00e0 t\u1ea1o kh\u1ed1i b\u1ed9t tan si\u00eau m\u1ecbn ch\u1ea5t l\u01b0\u1ee3ng cao th\u00e0nh c\u1ea5u tr\u00fac d\u1ea1ng v\u1ea3y. Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n \u0111\u1ed3ng \u0111\u1ec1u trong nh\u1ef1a \u1edf d\u1ea1ng ph\u00e2n l\u1edbp. C\u0169ng gi\u1ed1ng nh\u01b0 l\u01b0\u1edbi k\u1ebft c\u1ea5u kim lo\u1ea1i nh\u00fang trong c\u00e1c s\u1ea3n ph\u1ea9m xi m\u0103ng, ngo\u00e0i vi\u1ec7c duy tr\u00ec \u01b0u \u0111i\u1ec3m c\u1ee7a nh\u1ef1a, n\u00f3 c\u00f2n c\u00f3 t\u00e1c d\u1ee5ng gi\u1eef nhi\u1ec7t v\u00e0 c\u1ea3n nhi\u1ec7t r\u00f5 r\u00e0ng.<\/p>\n<ul>\n<li><strong>Nucleation<\/strong><\/li>\n<\/ul>\n<p>C\u1ea3m gi\u00e1c tr\u01a1n tr\u01b0\u1ee3t c\u1ee7a b\u1ed9t talc l\u00e0 r\u1ea5t r\u00f5 r\u00e0ng, vi\u1ec7c m\u1edf l\u1edbp nh\u1ef1a c\u00f3 th\u00eam b\u1ed9t talc r\u00f5 r\u00e0ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, v\u00e0 \u0111\u1eb7c t\u00ednh ch\u1ed1ng ch\u1eb7n c\u1ee7a m\u00e0ng c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. Khi b\u1ed9t tan si\u00eau m\u1ecbn (d\u01b0\u1edbi 1\u03bcm) \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n \u0111\u1ed3ng \u0111\u1ec1u trong n\u1ec1n nh\u1ef1a, n\u00f3 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ch\u1ea5t t\u1ea1o m\u1ea7m.<\/p>\n<ul>\n<li><strong>Ch\u1ed1ng l\u00e3o h\u00f3a<\/strong><\/li>\n<\/ul>\n<p>Talc, mica, cao lanh v\u00e0 c\u00e1c kho\u00e1ng ch\u1ea5t ch\u1ee9a <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/electronic\/\"   title=\"silicon\" data-wpil-keyword-link=\"linked\">silicon<\/a> kh\u00e1c c\u00f3 \u0111\u1eb7c t\u00ednh ng\u0103n tia h\u1ed3ng ngo\u1ea1i v\u00e0 tia c\u1ef1c t\u00edm, c\u00f3 t\u00e1c d\u1ee5ng gi\u1eef nhi\u1ec7t v\u00e0 ch\u1ed1ng l\u00e3o h\u00f3a r\u00f5 r\u00e0ng trong c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a.<\/p>\n<h4>L\u00fd do ch\u1ecdn ph\u1ea5n r\u00f4m<\/h4>\n<ul>\n<li><strong>k\u1ebft c\u1ea5u<\/strong><\/li>\n<\/ul>\n<p>V\u00ec c\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee7a talc l\u00e0 nhi\u1ec1u l\u1edbp n\u00ean n\u00f3 c\u00f3 xu h\u01b0\u1edbng t\u00e1ch th\u00e0nh v\u1ea3y v\u00e0 c\u00f3 t\u00ednh b\u00f4i tr\u01a1n \u0111\u1eb7c bi\u1ec7t. Khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n \u0111\u1ed3ng \u0111\u1ec1u trong nh\u1ef1a theo c\u00e1ch ph\u00e2n l\u1edbp v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch t\u1ed1t v\u1edbi nh\u1ef1a. S\u1ef1 b\u1ed5 sung c\u1ee7a c\u00e1c \u0111\u1eb7c t\u00ednh v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a s\u1ea3n ph\u1ea9m nh\u1ef1a.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-114463\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/Talcstructure.jpg\" alt=\"\" width=\"500\" height=\"219\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/Talcstructure.jpg 755w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/11\/Talcstructure-300x131.jpg 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<ul>\n<li><strong>H\u00e0m l\u01b0\u1ee3ng <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/minerals\/\"   title=\"silica\" data-wpil-keyword-link=\"linked\">silica<\/a><\/strong><\/li>\n<\/ul>\n<p>H\u00e0m l\u01b0\u1ee3ng <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/electronic\/\"   title=\"silicon\" data-wpil-keyword-link=\"linked\">silicon<\/a> trong b\u1ed9t talc l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u1ed9t talc. H\u00e0m l\u01b0\u1ee3ng <a class=\"wpil_keyword_link\" href=\"https:\/\/www.alpapowder.com\/projects\/electronic\/\"   title=\"silicon\" data-wpil-keyword-link=\"linked\">silicon<\/a> trong b\u1ed9t talc c\u00e0ng cao, b\u1ed9t talc c\u00f3 \u0111\u1ed9 tinh khi\u1ebft c\u00e0ng cao th\u00ec hi\u1ec7u qu\u1ea3 \u1ee9ng d\u1ee5ng c\u00e0ng t\u1ed1t v\u00e0 gi\u00e1 th\u00e0nh c\u00e0ng cao. Kh\u00e1ch h\u00e0ng c\u1ea7n l\u1ef1a ch\u1ecdn b\u1ed9t tan theo y\u00eau c\u1ea7u ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a kh\u00e1c nhau.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-108674 aligncenter\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/08\/plastic-material.jpg\" alt=\"\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/08\/plastic-material.jpg 1000w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/08\/plastic-material-300x240.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/08\/plastic-material-768x614.jpg 768w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<ul>\n<li><strong>m\u00e0u s\u1eafc<\/strong><\/li>\n<\/ul>\n<p>M\u00e0u s\u1eafc c\u1ee7a b\u1ed9t talc th\u00f4 c\u00f3 th\u1ec3 l\u00e0 tr\u1eafng, x\u00e1m, \u0111\u1ecf nh\u1ea1t, h\u1ed3ng, xanh lam nh\u1ea1t, xanh l\u1ee5c nh\u1ea1t v\u00e0 c\u00e1c m\u00e0u kh\u00e1c, v\u00e0 c\u00f3 c\u00e1c m\u1ee9c \u0111\u1ed9 \u0111\u1eb7c kh\u00e1c nhau. M\u00e0u s\u1eafc n\u00e0y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n s\u1ef1 xu\u1ea5t hi\u1ec7n v\u00e0 hi\u1ec7u \u1ee9ng h\u00ecnh \u1ea3nh c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n<ul>\n<li><strong>T\u00ednh ch\u1ea5t b\u1ec1 m\u1eb7t<\/strong><\/li>\n<\/ul>\n<p>Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn h\u01a1n v\u00e0 c\u1ea5u tr\u00fac b\u1ec1 ngo\u00e0i c\u1ee7a b\u1ed9t talc s\u1ebd kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng ph\u1ee5 gia, m\u00e0 c\u00f2n th\u00fac \u0111\u1ea9y l\u1ef1c li\u00ean k\u1ebft gi\u1eefa c\u00e1c c\u1ea5u tr\u00fac nh\u1ef1a, do \u0111\u00f3 c\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a s\u1ea3n ph\u1ea9m nh\u1ef1a.<\/p>\n<h4>\u1ea2nh h\u01b0\u1edfng c\u1ee7a b\u1ed9t tan \u0111\u1ebfn t\u00ednh ch\u1ea5t d\u1ebbo<\/h4>\n<ul>\n<li><strong>C\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 co ng\u00f3t \u0111\u00fac c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m nh\u1ef1a<\/strong><\/li>\n<\/ul>\n<p>Khi h\u00e0m l\u01b0\u1ee3ng b\u1ed9t talc t\u0103ng l\u00ean, t\u1ef7 l\u1ec7 co ng\u00f3t c\u1ee7a nh\u1ef1a polypropylene gi\u1ea3m d\u1ea7n. Vi\u1ec7c b\u1ed5 sung b\u1ed9t talc l\u00e0m t\u0103ng \u0111\u1ed9 nh\u1edbt c\u1ee7a n\u00f3 v\u00e0 gi\u1ea3m t\u00ednh ch\u1ea5t d\u00e3o, do \u0111\u00f3 l\u00e0m gi\u1ea3m \u0111\u1ed9 k\u1ebft tinh c\u1ee7a nh\u1ef1a; B\u1ea3n th\u00e2n b\u1ed9t talc kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng co ng\u00f3t, do \u0111\u00f3 Gi\u1ea3m thi\u1ec3u s\u1ef1 co ng\u00f3t c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00fac t\u1ed5ng th\u1ec3.<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng x\u01b0\u1edbc b\u1ec1 m\u1eb7t<\/strong><\/li>\n<\/ul>\n<p>\u0110\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng x\u01b0\u1edbc b\u1ec1 m\u1eb7t l\u00e0 nh\u1eefng y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m nh\u1ef1a. Th\u00eam b\u1ed9t talc v\u00e0o nh\u1ef1a polyetylen v\u00e0 nh\u1ef1a polypropylen c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng x\u01b0\u1edbc b\u1ec1 m\u1eb7t c\u1ee7a s\u1ea3n ph\u1ea9m.<\/p>\n<ul>\n<li><strong>M\u00f4 \u0111un u\u1ed1n<\/strong><\/li>\n<\/ul>\n<p>Vi\u1ec7c b\u1ed5 sung b\u1ed9t talc tr\u1eafng c\u00f3 c\u1ea5u tr\u00fac d\u1ea1ng v\u1ea3y v\u00e0o b\u1ea5t k\u1ef3 lo\u1ea1i nh\u1ef1a n\u00e0o c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 m\u00f4 \u0111un u\u1ed1n c\u1ee7a n\u00f3. \u0110\u1ed1i v\u1edbi vi\u1ec7c l\u00e0m \u0111\u1ea7y kho\u00e1ng ch\u1ea5t n\u00f3i chung, \u0111\u00e2y l\u00e0 t\u00ednh n\u0103ng quan tr\u1ecdng nh\u1ea5t c\u1ee7a b\u1ed9t talc.<\/p>\n<ul>\n<li><strong>S\u1ee9c c\u0103ng<\/strong><\/li>\n<\/ul>\n<p>H\u00e0m l\u01b0\u1ee3ng b\u1ed9t talc trong m\u1ed9t ph\u1ea1m vi nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n k\u00e9o. Sau khi th\u00eam b\u1ed9t talc ho\u1ea1t h\u00f3a 1500 mesh v\u00e0o polypropylene, \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1eadt li\u1ec7u thay \u0111\u1ed5i. Khi h\u00e0m l\u01b0\u1ee3ng b\u1ed9t tan nh\u1ecf h\u01a1n 20%, \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1eadt li\u1ec7u t\u0103ng nh\u1eb9. Khi h\u00e0m l\u01b0\u1ee3ng b\u1ed9t talc tr\u00ean 20%, \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1eadt li\u1ec7u gi\u1ea3m d\u1ea7n khi h\u00e0m l\u01b0\u1ee3ng t\u0103ng d\u1ea7n. Nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 do b\u1ed9t tan c\u00e0ng t\u0103ng th\u00eam l\u00e0m suy y\u1ebfu ch\u1ea5t polypropylene. G\u00e2y ra b\u1edfi l\u1ef1c h\u1ea5p d\u1eabn gi\u1eefa c\u00e1c ph\u00e2n t\u1eed.<\/p>\n<ul>\n<li><strong>S\u1ee9c m\u1ea1nh t\u00e1c \u0111\u1ed9ng<\/strong><\/li>\n<\/ul>\n<p>\u1ea2nh h\u01b0\u1edfng c\u1ee7a b\u1ed9t talc \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp c\u1ee7a v\u1eadt li\u1ec7u nh\u1ef1a c\u0169ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a b\u1ed9t talc \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1eadt li\u1ec7u nh\u1ef1a. Khi h\u00e0m l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t ph\u1ee5 gia kho\u00e1ng kh\u00e1c nhau nh\u1ecf h\u01a1n 10%, ch\u00fang \u0111\u1ec1u c\u00f3 t\u00e1c d\u1ee5ng c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai khi va \u0111\u1eadp. Khi h\u00e0m l\u01b0\u1ee3ng l\u1edbn h\u01a1n 10%, hi\u1ec7u su\u1ea5t t\u00e1c \u0111\u1ed9ng b\u1eaft \u0111\u1ea7u gi\u1ea3m.<\/p>\n<ul>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng<\/strong><\/li>\n<\/ul>\n<p>Talc c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u d\u1ebbo, v\u00e0 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t c\u1ee7a c\u00e1c lo\u1ea1i nh\u1ef1a kh\u00e1c nhau m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, do \u0111\u00f3 l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a nh\u1ef1a.<\/p>\n<h4>\u1ee8ng d\u1ee5ng c\u1ee7a b\u1ed9t tan trong nh\u1ef1a bi\u1ebfn t\u00ednh<\/h4>\n<p>1. Nh\u1ef1a polypropylene (PP)<\/p>\n<p>Sau khi nh\u1ef1a polypropylene \u0111\u01b0\u1ee3c th\u00eam v\u00e0o b\u1ed9t talc, \u0111\u1ed9 c\u1ee9ng \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, kh\u1ea3 n\u0103ng ch\u1ed1ng leo nhi\u1ec7t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, c\u00e1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n<p style=\"text-align: center;\">Thay \u0111\u1ed5i polypropylene v\u1edbi 40% b\u1ed9t tan si\u00eau m\u1ecbn masterbatch<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"236\">Lo\u1ea1i<\/td>\n<td width=\"757\">\u0110a d\u1ea1ng<\/td>\n<\/tr>\n<tr>\n<td width=\"236\">M\u00f4 \u0111un u\u1ed1n<\/td>\n<td width=\"757\">16100kg \/ cm<sup>2<\/sup> t\u0103ng l\u00ean 42000kg \/ cm<sup>2<\/sup><\/td>\n<\/tr>\n<tr>\n<td width=\"236\">Nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9<\/td>\n<td width=\"757\">62 \u2103 (l\u1ef1c 1,82Mpa) t\u0103ng l\u00ean 88 \u2103<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>2. Nh\u1ef1a polyetylen (PE)<\/p>\n<p>Sau khi nh\u1ef1a polyetylen \u0111\u01b0\u1ee3c th\u00eam v\u00e0o b\u1ed9t talc, \u0111\u1ed9 d\u1ebbo dai \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, \u0111\u1ed9 b\u1ec1n u\u1ed1n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, gi\u1ea3m xu h\u01b0\u1edbng d\u00e3o, \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, \u0111\u1ed9 c\u1ee9ng b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n v\u00e0 \u0111\u1ed9 m\u1ecbn \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/p>\n<p>3. Nh\u1ef1a ABS (\u0111\u1ed3ng tr\u00f9ng h\u1ee3p acrylonitril-butadien-styren)<\/p>\n<p>\u0110\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t hi\u1ec7n c\u00f3 c\u1ee7a ABS, t\u1ea5m v\u1ec9 b\u1ea3ng thi\u1ebft b\u1ecb xe h\u01a1i \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng c\u00e1ch pha tr\u1ed9n ABS v\u00e0 PVC, v\u00e0 da b\u1ecdc c\u1ee7a h\u00e0nh l\u00fd gi\u1ea3 da \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng c\u00e1ch pha tr\u1ed9n ABS v\u00e0 PVC c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai cao. V\u1eadt li\u1ec7u pha tr\u1ed9n n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m \u0111\u1ea7y v\u1edbi b\u1ed9t tan si\u00eau m\u1ecbn, c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp v\u00e0 gi\u1ea3m chi ph\u00ed.<\/p>\n<p>4. Nh\u1ef1a polystyrene (PS)<\/p>\n<p>Nh\u1ef1a polystyrene c\u00f3 nh\u1eefng khuy\u1ebft \u0111i\u1ec3m nh\u01b0 \u0111\u1ed9 gi\u00f2n cao v\u00e0 nh\u1ea1y c\u1ea3m v\u1edbi n\u1ee9t do \u1ee9ng su\u1ea5t m\u00f4i tr\u01b0\u1eddng. Sau khi th\u00eam talc, n\u00f3 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c \u0111\u1eb7c t\u00ednh l\u01b0u bi\u1ebfn, c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp, t\u0103ng m\u00f4 \u0111un nhi\u1ec5u lo\u1ea1n v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 k\u00e9o c\u0103ng.<\/p>\n<p>V\u00ed d\u1ee5: th\u00eam 40% b\u1ed9t talc si\u00eau m\u1ecbn ho\u1eb7c b\u1ed9t talc masterbatch, m\u00f4-\u0111un nhi\u1ec5u lo\u1ea1n t\u0103ng t\u1eeb 23800kg \/ cm<sup>2<\/sup> l\u00ean 58800kg \/ cm<sup>2<\/sup> v\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o t\u0103ng t\u1eeb 336kg \/ cm<sup>2<\/sup>\u00a0l\u00ean 385kg \/ cm<sup>2<\/sup>\u00a0.<\/p>\n<p>5. Nh\u1ef1a polyvinyl clorua (PVC)<\/p>\n<p>K\u00edch th\u01b0\u1edbc h\u1ea1t trung b\u00ecnh l\u00e0 5 micron ho\u1eb7c b\u1ed9t talc 2000 mesh. Sau khi th\u00eam \u0111\u1ebfn 40-45% th\u1ec3 t\u00edch, c\u01b0\u1eddng \u0111\u1ed9 ch\u1ea3y th\u1eadm ch\u00ed c\u00f2n cao h\u01a1n c\u01b0\u1eddng \u0111\u1ed9 k\u00e9o \u0111\u1ee9t ban \u0111\u1ea7u, c\u00f3 t\u00e1c d\u1ee5ng n\u00e2ng cao \u0111\u00e1ng k\u1ec3 h\u1ec7 th\u1ed1ng PVC; c\u01b0\u1eddng \u0111\u1ed9 va \u0111\u1eadp kh\u00f4ng kh\u00eda l\u00e0 15% tr\u1ecdng l\u01b0\u1ee3ng V\u1ec1 c\u01a1 b\u1ea3n kh\u00f4ng gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 va \u0111\u1eadp c\u00f3 kh\u00eda; n\u00f3 c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 m\u00f4 \u0111un u\u1ed1n.<\/p>\n<h4>So s\u00e1nh \u1ea3nh h\u01b0\u1edfng c\u1ee7a b\u1ed9t tan v\u00e0 canxi cacbonat \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i nh\u1ef1a<\/h4>\n<ul>\n<li><strong>h\u00ecnh d\u1ea1ng<\/strong><\/li>\n<\/ul>\n<p>H\u00ecnh d\u1ea1ng c\u1ee7a b\u1ed9t tan l\u00e0 d\u1ea1ng v\u1ea3y n\u00ean c\u00f3 \u0111\u1ed9 c\u1ee9ng cao h\u01a1n, \u0111\u1ed3ng th\u1eddi c\u00f3 t\u00ednh \u1ed5n \u0111\u1ecbnh v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 nhi\u1ec7t \u0111\u1ed9 ch\u1ecbu nhi\u1ec7t, c\u00f3 t\u00e1c d\u1ee5ng gia c\u1ed1 r\u1ea5t t\u1ed1t. Canxi cacbonat th\u01b0\u1eddng \u1edf d\u1ea1ng h\u1ea1t n\u00ean \u0111\u1ed9 c\u1ee9ng v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c c\u1ee7a n\u00f3 kh\u00f4ng t\u1ed1t b\u1eb1ng b\u1ed9t talc.<\/p>\n<ul>\n<li><strong>Nucleation<\/strong><\/li>\n<\/ul>\n<p>Talc c\u00f3 t\u00e1c d\u1ee5ng t\u1ea1o m\u1ea7m tr\u00ean polypropylene, trong khi canxi cacbonat kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng r\u00f5 r\u00e0ng v\u1ec1 m\u1eb7t n\u00e0y.<\/p>\n<p>So s\u00e1nh \u1ea3nh h\u01b0\u1edfng c\u1ee7a canxi cacbonat v\u00e0 b\u1ed9t talc \u0111\u1ebfn bi\u1ebfn \u0111\u1ed5i nh\u1ef1a<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"198\">N\u1ed9i dung<\/td>\n<td width=\"198\">S\u1ee9c c\u0103ng<\/td>\n<td width=\"198\">L\u1ef1c b\u1ebb cong<\/td>\n<td width=\"198\">M\u00f4 \u0111un u\u1ed1n<\/td>\n<td width=\"198\">Co r\u00fat m\u00f4 h\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td width=\"198\">20% canxi cacbonat<\/td>\n<td width=\"198\">27,8Mpa<\/td>\n<td width=\"198\">40Mpa<\/td>\n<td width=\"198\">2000Mpa<\/td>\n<td width=\"198\">0,87<\/td>\n<\/tr>\n<tr>\n<td width=\"198\">20% b\u1ed9t tan<\/td>\n<td width=\"198\">29Mpa<\/td>\n<td width=\"198\">42Mpa<\/td>\n<td width=\"198\">1300Mpa<\/td>\n<td width=\"198\">0,82<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>C\u00e1ch s\u1eed d\u1ee5ng b\u1ed9t tan<\/h4>\n<ul>\n<li><strong>Ph\u01b0\u01a1ng ph\u00e1p b\u1ed5 sung b\u1ed9t tr\u1ef1c ti\u1ebfp<\/strong><\/li>\n<\/ul>\n<p>B\u1ed9t talc \u0111\u01b0\u1ee3c tr\u1ed9n tr\u1ef1c ti\u1ebfp v\u1edbi nguy\u00ean li\u1ec7u nh\u1ef1a, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u00e9p \u0111\u00f9n v\u00e0 t\u1ea1o th\u00e0nh vi\u00ean b\u1eb1ng m\u00e1y \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i \u0111\u1ec3 tr\u1edf th\u00e0nh nguy\u00ean li\u1ec7u nh\u1ef1a bi\u1ebfn t\u00ednh. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn v\u00e0 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ti\u1ebft ki\u1ec7m nh\u1ea5t.<\/p>\n<ul>\n<li><strong>Ph\u01b0\u01a1ng th\u1ee9c masterbatch kh\u00f4ng c\u00f3 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5<\/strong><\/li>\n<\/ul>\n<p>B\u1ed9t talc \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh m\u1ed9t lo\u1ea1i h\u1ea1t r\u1eddi kh\u00f4ng c\u00f3 ch\u1ea5t mang th\u00f4ng qua m\u1ed9t quy tr\u00ecnh \u0111\u1eb7c bi\u1ec7t, sau \u0111\u00f3 c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi nguy\u00ean li\u1ec7u nh\u1ef1a v\u00e0 t\u1ea1o th\u00e0nh h\u1ea1t nguy\u00ean li\u1ec7u nh\u1ef1a bi\u1ebfn t\u00ednh b\u1eb1ng m\u00e1y \u0111\u00f9n tr\u1ee5c v\u00edt \u0111\u00f4i.<\/p>\n<ul>\n<li><strong>L\u00e0m \u0111\u1ea7y ph\u01b0\u01a1ng ph\u00e1p masterbatch<\/strong><\/li>\n<\/ul>\n<p>B\u1ed9t talc v\u00e0 ch\u1ea5t mang nh\u1ef1a \u0111\u01b0\u1ee3c tr\u1ed9n v\u00e0 t\u1ea1o h\u1ea1t b\u1eb1ng m\u00e1y \u0111\u00f9n \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u1ed7n h\u1ee3p ch\u00ednh c\u00f3 h\u00e0m l\u01b0\u1ee3ng cao. Masterbatch n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tr\u1ed9n tr\u1ef1c ti\u1ebfp v\u1edbi nguy\u00ean li\u1ec7u nh\u1ef1a v\u00e0 th\u00e0nh ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng c\u00e1ch \u00e9p \u0111\u00f9n v\u00e0 phun.<\/p>\n<ul>\n<li><strong>Th\u1eadn tr\u1ecdng khi s\u1eed d\u1ee5ng b\u1ed9t tan<\/strong><\/li>\n<\/ul>\n<p>Vi\u1ec7c x\u1eed l\u00fd ho\u1ea1t h\u00f3a b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t talc l\u00e0 c\u1ea7n thi\u1ebft, v\u00e0 vi\u1ec7c x\u1eed l\u00fd ho\u1ea1t h\u00f3a b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t talc ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u1ec3 c\u1ea3i thi\u1ec7n s\u1ef1 t\u01b0\u01a1ng th\u00edch gi\u1eefa b\u1ed9t talc v\u00e0 nguy\u00ean li\u1ec7u nh\u1ef1a v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 s\u1eeda \u0111\u1ed5i. C\u00e1c ch\u1ea5t x\u1eed l\u00fd b\u1ec1 m\u1eb7t kh\u00e1c nhau n\u00ean \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn cho c\u00e1c lo\u1ea1i nh\u1ef1a kh\u00e1c nhau.<\/p>\n<p>Kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a b\u1ed9t talc trong nguy\u00ean li\u1ec7u nh\u1ef1a, trong c\u00f9ng m\u1ed9t c\u00f4ng th\u1ee9c, \u0111\u1ed9 ph\u00e2n t\u00e1n c\u1ee7a b\u1ed9t talc trong nguy\u00ean li\u1ec7u nh\u1ef1a c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc cu\u1ed1i c\u00f9ng c\u1ee7a nguy\u00ean li\u1ec7u bi\u1ebfn t\u00ednh. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd. C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u00e2n t\u00e1n c\u1ee7a b\u1ed9t talc trong nguy\u00ean li\u1ec7u nh\u1ef1a l\u00e0 c\u00f4ng th\u1ee9c, nhi\u1ec7t \u0111\u1ed9, s\u1ea3n l\u01b0\u1ee3ng v\u00e0 quy tr\u00ecnh. Ngo\u00e0i ra, khi l\u01b0\u1ee3ng b\u1ed9t talc th\u00eam l\u1edbn, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p th\u00eam t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 ph\u00e2n t\u00e1n t\u1ed1t.<\/p>\n<p>Talc l\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t phi kim lo\u1ea1i c\u00f3 r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng n\u00e2ng cao c\u1ee7a c\u00f4ng ngh\u1ec7 x\u00e3 h\u1ed9i, vi\u1ec7c \u1ee9ng d\u1ee5ng b\u1ed9t talc \u0111\u1ee9ng tr\u01b0\u1edbc nhi\u1ec1u c\u01a1 h\u1ed9i v\u00e0 th\u00e1ch th\u1ee9c h\u01a1n. Nhu c\u1ea7u \u1ee9ng d\u1ee5ng b\u1ed9t talc trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau ng\u00e0y c\u00e0ng t\u0103ng, v\u00e0 th\u1ecb tr\u01b0\u1eddng b\u1ed9t talc c\u00f3 m\u1ed9t tri\u1ec3n v\u1ecdng v\u00f4 c\u00f9ng l\u1edbn.<\/p>\n<p>&nbsp;<\/p>\n<p>Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u00e0 m\u1ed9t ch\u1ea5t ph\u1ee5 gia, ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c ch\u1ea5t \u0111\u1ed9n, talc \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t gi\u1ea5y, s\u01a1n, ch\u1ea5t ph\u1ee7, g\u1ed1m s\u1ee9, h\u00f3a ch\u1ea5t h\u00e0ng ng\u00e0y, nh\u1ef1a, th\u1ef1c ph\u1ea9m, y h\u1ecdc v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n","protected":false},"author":6,"featured_media":111079,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[1522,1521],"class_list":["post-114491","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-sua-doi-nhua","tag-talc-vi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/114491","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=114491"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/114491\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/111079"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=114491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=114491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=114491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}