{"id":111638,"date":"2021-09-28T11:50:01","date_gmt":"2021-09-28T03:50:01","guid":{"rendered":"https:\/\/www.alpapowder.com\/111638\/"},"modified":"2021-09-28T11:50:01","modified_gmt":"2021-09-28T03:50:01","slug":"su-khac-biet-giua-bot-tan-va-canxi-cacbonat-lam-chat-deo","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/111638\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9t tan v\u00e0 canxi cacbonat l\u00e0m ch\u1ea5t d\u1ebbo"},"content":{"rendered":"<p>N\u00f3i chung, h\u1ea7u h\u1ebft c\u00e1c h\u1ea1t nh\u1ef1a t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c th\u00eam canxi cacbonat, nh\u01b0ng n\u00f3 ph\u1ea3i l\u00e0 qu\u1eb7ng tinh th\u1ec3 canxit. C\u1ea3 b\u1ed9t tan v\u00e0 canxi cacbonat \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o ch\u1ea5t d\u1ebbo. V\u1ec1 gi\u00e1 th\u00e0nh, canxi cacbonat th\u1ea5p h\u01a1n b\u1ed9t tan. V\u1ec1 quy tr\u00ecnh s\u1ea3n xu\u1ea5t, canxi cacbonat d\u1ec5 gia c\u00f4ng h\u01a1n b\u1ed9t talc. C\u00e1c vi\u00ean polypropylene \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00f3ng \u0111ai n\u00ean \u0111\u01b0\u1ee3c th\u00eam b\u1ed9t tan v\u00e0 canxi cacbonat, t\u1ef7 l\u1ec7 \u0111\u00f3 l\u00e0: polypropylen: b\u1ed9t tan: canxi cacbonat = 70: 25: 5. \u0110\u1ed1i v\u1edbi t\u00fai d\u1ec7t, n\u00ean s\u1eed d\u1ee5ng canxi cacbonat, v\u00e0 l\u01b0\u1ee3ng b\u1ed5 sung c\u00f3 th\u1ec3 l\u00ean t\u1edbi h\u01a1n 30%. L\u01b0u \u00fd nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-111596 size-full aligncenter\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/powder11-1.jpg\" alt=\"\" width=\"1000\" height=\"500\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/powder11-1.jpg 1000w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/powder11-1-300x150.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/09\/powder11-1-768x384.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p>1. C\u1ea3 b\u1ed9t tan v\u00e0 canxi cacbonat \u0111\u1ec1u \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111\u1eafp. C\u00e1c m\u1ee5c \u0111\u00edch ch\u00ednh l\u00e0:<\/p>\n<ul>\n<li>T\u0103ng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc (ngh\u0129a l\u00e0, gi\u1ea3m co ng\u00f3t)<\/li>\n<li>T\u0103ng \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u,<\/li>\n<li>T\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u,<\/li>\n<li>Gi\u1ea3m chi ph\u00ed nguy\u00ean v\u1eadt li\u1ec7u v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c.<\/li>\n<\/ul>\n<p>Nh\u01b0ng n\u00f3 c\u0169ng c\u00f3 nh\u1eefng khuy\u1ebft \u0111i\u1ec3m:<\/p>\n<ul>\n<li>M\u1eadt \u0111\u1ed9 t\u0103ng l\u00ean,<\/li>\n<li>N\u1ebfu n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ed1t, \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp s\u1ebd gi\u1ea3m.<\/li>\n<li>\u0110\u1ed9 b\u00f3ng c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00e3 gi\u1ea3m.<\/li>\n<\/ul>\n<p>2. B\u1ed9t Talcum c\u00f3 s\u1ef1 ph\u00e2n bi\u1ec7t k\u00edch th\u01b0\u1edbc h\u1ea1t gi\u1ed1ng nh\u01b0 canxi cacbonat, n\u00f3i chung l\u00e0 300 mesh, 600 mesh, 800 mesh, 1250 mesh v\u00e0 2500 mesh. T\u1ea5t nhi\u00ean, c\u00f3 nh\u1eefng lo\u1ea1i m\u1ecbn h\u01a1n, v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1eb1ng nh\u1ef1a, c\u00f3 th\u1ec3 ch\u1ecdn 800 mesh v\u00e0 1250. Nh\u1eafm m\u1ee5c ti\u00eau hai m\u1ee5c ti\u00eau n\u00e0y \u0111\u1ec3 t\u1ef7 l\u1ec7 hi\u1ec7u su\u1ea5t v\u00e0 gi\u00e1 c\u00f3 th\u1ec3 cao nh\u1ea5t.<\/p>\n<p>3. Gi\u00e1 ph\u1ea5n r\u00f4m l\u00ean xu\u1ed1ng th\u1ea5t th\u01b0\u1eddng. N\u00f3i chung, vi\u1ec7c \u0111\u1ecbnh gi\u00e1 theo s\u1ed1 l\u01b0\u1ee3ng m\u1eaft l\u01b0\u1edbi kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 l\u1edbn. V\u00ed d\u1ee5, gi\u00e1 chung c\u1ee7a 800 mesh l\u00e0 t\u1eeb 700 \u0111\u1ebfn 850 nh\u00e2n d\u00e2n t\u1ec7, v\u00e0 gi\u00e1 c\u1ee7a 1250 mesh l\u00e0 t\u1eeb 1000 \u0111\u1ebfn 1000. T\u1eeb 1280 nh\u00e2n d\u00e2n t\u1ec7. Gi\u00e1 qu\u00e1 cao ho\u1eb7c qu\u00e1 th\u1ea5p \u0111\u1ec1u kh\u00f4ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p><strong>V\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9t tan v\u00e0 canxi cacbonat:<\/strong><\/p>\n<ul>\n<li>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, \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 nhi\u1ec7t \u0111\u1ed9 ch\u1ecbu nhi\u1ec7t cao h\u01a1n, c\u00f3 t\u00e1c d\u1ee5ng gia c\u1ed1 t\u1ed1t.<\/li>\n<li>Canxi cacbonat n\u00f3i chung l\u00e0 d\u1ea1ng h\u1ea1t n\u00ean \u0111\u1ed9 c\u1ee9ng v\u00e0 c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c kh\u00f4ng b\u1eb1ng b\u1ed9t talc nh\u01b0ng gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n, \u0111\u1ed9 tr\u1eafng cao v\u00e0 \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 d\u1ebbo dai khi va \u0111\u1eadp c\u1ee7a nh\u1ef1a.<\/li>\n<li>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.<\/li>\n<li>Canxi cacbonat n\u00f3i chung c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh canxi cacbonat nh\u1eb9 v\u00e0 canxi cacbonat n\u1eb7ng, nh\u01b0ng b\u1ed9t talc kh\u00f4ng c\u00f3 s\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y, b\u1ed9t talc \u0111\u01b0\u1ee3c xay t\u1eeb c\u00e1c kho\u00e1ng ch\u1ea5t t\u1ef1 nhi\u00ean.<\/li>\n<\/ul>\n<p>Canxi cacbonat \/ b\u1ed9t talc composite gia c\u01b0\u1eddng PP, c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a n\u00f3 nh\u01b0 sau:<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"165\">N\u1ed9i dung<\/td>\n<td width=\"165\">\u0110\u1ed9 b\u1ec1n k\u00e9o Mpa<\/td>\n<td width=\"165\">\u0110\u1ed9 b\u1ec1n u\u1ed1n Mpa<\/td>\n<td width=\"165\">M\u00f4 \u0111un u\u1ed1n d\u1ebbo Mpa<\/td>\n<td width=\"165\">Rockwell \u0111\u1ed9 c\u1ee9ng<\/td>\n<td width=\"165\">M\u00f4 h\u00ecnh co ng\u00f3t%<\/td>\n<\/tr>\n<tr>\n<td width=\"165\">20% canxi cacbonat<\/td>\n<td width=\"165\">27.8<\/td>\n<td width=\"165\">40<\/td>\n<td width=\"165\">2000<\/td>\n<td width=\"165\">105<\/td>\n<td width=\"165\">0,87<\/td>\n<\/tr>\n<tr>\n<td width=\"165\">20% b\u1ed9t talc<\/td>\n<td width=\"165\">29<\/td>\n<td width=\"165\">42<\/td>\n<td width=\"165\">1300<\/td>\n<td width=\"165\">100<\/td>\n<td width=\"165\">0,82<\/td>\n<\/tr>\n<tr>\n<td width=\"165\">10% canxi cacbonat + 10% b\u1ed9t talc<\/td>\n<td width=\"165\">32<\/td>\n<td width=\"165\">45<\/td>\n<td width=\"165\">2500<\/td>\n<td width=\"165\">130<\/td>\n<td width=\"165\">0,74<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u00f3i chung, h\u1ea7u h\u1ebft c\u00e1c h\u1ea1t nh\u1ef1a t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c th\u00eam canxi cacbonat, nh\u01b0ng n\u00f3 ph\u1ea3i l\u00e0 qu\u1eb7ng tinh th\u1ec3 canxit. C\u1ea3 b\u1ed9t tan v\u00e0 canxi cacbonat \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o ch\u1ea5t d\u1ebbo. V\u1ec1 gi\u00e1 th\u00e0nh, canxi cacbonat th\u1ea5p h\u01a1n b\u1ed9t tan. V\u1ec1 quy tr\u00ecnh s\u1ea3n xu\u1ea5t, canxi cacbonat d\u1ec5 gia c\u00f4ng h\u01a1n b\u1ed9t talc.<\/p>\n","protected":false},"author":6,"featured_media":111609,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-111638","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\/111638","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=111638"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/111638\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/111609"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=111638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=111638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=111638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}