silicon<\/a> tr\u00ean tia h\u1ed3ng ngo\u1ea1i 7-25\u03bcm t\u1ed1t h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 kh\u00f4ng ch\u1ee9a Si-light canxi cacbonat, trong khi r\u00e0o c\u1ea3n h\u1ed3ng ngo\u1ea1i c\u1ee7a b\u1ed9t mica, cao lanh v\u00e0 talc c\u0169ng t\u01b0\u01a1ng t\u1ef1.<\/p>\n\u2462 Trong s\u1ed1 ba ch\u1ea5t \u0111\u1ed9n c\u00f3 ch\u1ee9a Si, \u0111\u1ed9 truy\u1ec1n s\u00e1ng c\u1ee7a m\u00e0ng LDPE ch\u1ee9a \u0111\u1ea7y b\u1ed9t mica l\u00e0 cao nh\u1ea5t v\u00e0 g\u1ea7n b\u1eb1ng v\u1edbi m\u00e0ng nh\u1ef1a LDPE nguy\u00ean ch\u1ea5t, ti\u1ebfp theo l\u00e0 cao lanh v\u00e0 b\u1ed9t talc, nh\u01b0ng c\u1ea3 hai \u0111\u1ec1u cao h\u01a1n m\u00e0ng ch\u1ee9a canxi cacbonat. .<\/p>\n
B\u1edfi v\u00ec talc r\u1ebb v\u00e0 d\u1ec5 x\u1eed l\u00fd, m\u1eb7c d\u00f9 t\u00ednh ch\u1ea5t c\u1ea3n s\u00e1ng v\u00e0 c\u1ea3n s\u00e1ng h\u1ed3ng ngo\u1ea1i c\u1ee7a n\u00f3 kh\u00f4ng t\u1ed1t b\u1eb1ng b\u1ed9t mica v\u00e0 cao lanh, n\u00f3 v\u1eabn c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u1ed9 truy\u1ec1n s\u00e1ng t\u1ed1t h\u01a1n \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t. V\u00ec v\u1eady, n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00e0ng nh\u1ef1a n\u00f4ng nghi\u1ec7p. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i. Hi\u1ec7n nay, c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t m\u00e0ng n\u00f4ng nghi\u1ec7p s\u1eed d\u1ee5ng 1% -6% b\u1ed9t tan si\u00eau m\u1ecbn theo c\u00e1c lo\u1ea1i m\u00e0ng (m\u00e0ng ch\u1ed1ng l\u00e3o h\u00f3a, m\u00e0ng ch\u1ed1ng th\u1ea5m k\u00e9p, m\u00e0ng \u0111a ch\u1ee9c n\u0103ng\u2026).<\/p>\n
2) S\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t t\u1ea1o m\u1ea7m<\/strong><\/p>\nC\u00e1c polyme k\u1ebft tinh nh\u01b0 polyetylen (PE), polypropylen (PP), polyetylen terephthalate (PET), polyamit (PA),\u2026 trong qu\u00e1 tr\u00ecnh l\u00e0m ngu\u1ed9i v\u00e0 t\u1ea1o h\u00ecnh sau khi n\u00f3ng ch\u1ea3y, m\u1ed9t s\u1ed1 \u0111\u1ea1i ph\u00e2n t\u1eed \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo th\u1ee9 t\u1ef1, \u0111\u00f3 g\u1ecdi l\u00e0 qu\u00e1 tr\u00ecnh k\u1ebft tinh.<\/p>\n
Qu\u00e1 tr\u00ecnh k\u1ebft tinh kh\u00f4ng ch\u1ec9 \u0111\u00f2i h\u1ecfi m\u1ed9t nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ed1c \u0111\u1ed9 ngu\u1ed9i nh\u1ea5t \u0111\u1ecbnh, m\u00e0 c\u00f2n \u0111\u00f2i h\u1ecfi s\u1ef1 t\u1ea1o ra h\u1ea1t nh\u00e2n tinh th\u1ec3 tr\u01b0\u1edbc, sau \u0111\u00f3 l\u00e0 s\u1ef1 l\u1edbn l\u00ean c\u1ee7a tinh th\u1ec3. T\u00e1c nh\u00e2n t\u1ea1o m\u1ea7m c\u00f3 hai ch\u1ee9c n\u0103ng ch\u00ednh. M\u1ed9t l\u00e0 t\u0103ng t\u1ed5ng t\u1ed1c \u0111\u1ed9 k\u1ebft tinh, c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng polyme n\u00f3ng ch\u1ea3y \u0111\u00f4ng \u0111\u1eb7c nhanh h\u01a1n trong qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t, do \u0111\u00f3 r\u00fat ng\u1eafn chu k\u1ef3 chu tr\u00ecnh \u00e9p phun v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u00f4ng vi\u1ec7c; \u0110\u1ed9 b\u1ec1n k\u00e9o, nhi\u1ec7t \u0111\u1ed9 bi\u1ebfn d\u1ea1ng nhi\u1ec7t v\u00e0 \u0111\u1ed9 c\u1ee9ng \u0111\u1ec1u \u0111\u01b0\u1ee3c n\u00e2ng cao d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a t\u00e1c nh\u00e2n t\u1ea1o m\u1ea7m, \u0111\u1ed9 trong su\u1ed1t t\u0103ng l\u00ean v\u00e0 \u0111\u1ed9 \u0111\u1ee5c gi\u1ea3m.<\/p>\n
B\u1ed9t talc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t t\u1ea1o m\u1ea7m cho PE ho\u1eb7c PP. Tr\u01b0\u1edbc h\u1ebft, c\u00e1c h\u1ea1t \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i nh\u1ecf. K\u00edch th\u01b0\u1edbc h\u1ea1t c\u00e0ng nh\u1ecf th\u00ec s\u1ed1 l\u01b0\u1ee3ng h\u1ea1t c\u00e0ng nhi\u1ec1u, ngh\u0129a l\u00e0 c\u00e0ng nhi\u1ec1u t\u00e2m tinh th\u1ec3. C\u00e0ng nhi\u1ec1u tinh th\u1ec3 l\u1edbn l\u00ean c\u00f9ng m\u1ed9t l\u00fac, k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea3n th\u00e2n tinh th\u1ec3 c\u00e0ng nh\u1ecf v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a to\u00e0n b\u1ed9 v\u1eadt li\u1ec7u c\u00e0ng t\u1ed1t. \u0110\u1ed3ng th\u1eddi, y\u00eau c\u1ea7u ph\u00e2n t\u00e1n b\u1ed9t \u0111\u00e1 \u1edf tr\u1ea1ng th\u00e1i n\u00f3ng ch\u1ea3y c\u00e0ng tri\u1ec7t \u0111\u1ec3, hi\u1ec7n t\u01b0\u1ee3ng k\u1ebft t\u1ee5 c\u00e0ng nh\u1eb9 c\u00e0ng t\u1ed1t.<\/p>\n
3) Masterbatch ch\u1ea5t l\u00e0m \u0111\u1ea7y trong su\u1ed1t v\u1edbi talc l\u00e0m ch\u1ea5t \u0111\u1ed9n ch\u00ednh<\/strong><\/p>\nM\u1eb7c d\u00f9 vi\u1ec7c s\u1eed d\u1ee5ng canxi cacbonat trong m\u00e0ng nh\u1ef1a c\u00f3 th\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh, nh\u01b0ng khi l\u01b0\u1ee3ng l\u1edbn, \u0111\u1ed9 trong c\u1ee7a m\u00e0ng b\u1ecb \u1ea3nh h\u01b0\u1edfng r\u1ea5t nhi\u1ec1u, g\u00e2y ra s\u1ef1 hi\u1ec3u l\u1ea7m c\u1ee7a m\u1ed9t s\u1ed1 ng\u01b0\u1eddi d\u00f9ng. Tr\u01b0\u1edbc th\u1ef1c tr\u1ea1ng n\u00e0y, masterbatch ch\u1ea5t l\u00e0m \u0111\u1ea7y trong su\u1ed1t \u0111\u00e3 c\u00f3 nh\u1eefng c\u1ea3i ti\u1ebfn \u0111\u00e1ng k\u1ec3 trong c\u00f4ng ngh\u1ec7 l\u1ef1a ch\u1ecdn v\u00e0 x\u1eed l\u00fd ch\u1ea5t l\u00e0m \u0111\u1ea7y, gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 trong su\u1ed1t c\u1ee7a m\u00e0ng PE.<\/p>\n
<\/p>\n
Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"
Talc l\u00e0 ch\u1ea5t \u0111\u1ed9n cho nh\u1ef1a ch\u1ec9 \u0111\u1ee9ng sau canxi cacbonat, v\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u1ee9ng d\u1ee5ng trong nh\u1ef1a l\u00e0 h\u01a1n 200.000 t\u1ea5n m\u1ed7i n\u0103m. Khi m\u1ed9t s\u1ed1 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a talc \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec3u r\u00f5 h\u01a1n, ph\u1ea1m vi \u1ee9ng d\u1ee5ng v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a n\u00f3 \u0111ang t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3.<\/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":[],"class_list":["post-112952","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\/112952","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=112952"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/112952\/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=112952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=112952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=112952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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