{"id":119270,"date":"2022-10-12T10:38:16","date_gmt":"2022-10-12T02:38:16","guid":{"rendered":"https:\/\/www.alpapowder.com\/119270\/"},"modified":"2022-10-12T10:38:16","modified_gmt":"2022-10-12T02:38:16","slug":"6-loai-chat-chong-chay-thuong-duoc-su-dung-trong-polypropylene","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/119270\/","title":{"rendered":"6 lo\u1ea1i ch\u1ea5t ch\u1ed1ng ch\u00e1y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong Polypropylene"},"content":{"rendered":"

\"\"<\/p>\n

L\u00e0 m\u1ed9t trong n\u0103m lo\u1ea1i nh\u1ef1a \u0111a d\u1ee5ng, polypropylene (PP) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong m\u1ecdi t\u1ea7ng l\u1edbp x\u00e3 h\u1ed9i. Tuy nhi\u00ean, \u0111\u1eb7c t\u00ednh d\u1ec5 ch\u00e1y c\u1ee7a PP c\u0169ng h\u1ea1n ch\u1ebf kh\u00f4ng gian \u1ee9ng d\u1ee5ng v\u00e0 c\u1ea3n tr\u1edf s\u1ef1 ph\u00e1t tri\u1ec3n h\u01a1n n\u1eefa c\u1ee7a v\u1eadt li\u1ec7u PP. V\u00ec v\u1eady, kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a PP Modification lu\u00f4n l\u00e0 t\u00e2m \u0111i\u1ec3m c\u1ee7a s\u1ef1 ch\u00fa \u00fd.<\/p>\n

Ch\u1ea5t ch\u1ed1ng ch\u00e1y l\u00e0 ch\u1ea5t t\u0103ng c\u01b0\u1eddng cho v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p polyme. Vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t ch\u1ed1ng ch\u00e1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho v\u1eadt li\u1ec7u polyme ch\u1ed1ng ch\u00e1y, \u0111\u1ec3 tr\u00e1nh ch\u00e1y v\u1eadt li\u1ec7u v\u00e0 ng\u0103n ch\u00e1y lan, th\u00fac \u0111\u1ea9y v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p c\u00f3 kh\u1ea3 n\u0103ng ng\u0103n kh\u00f3i, t\u1ef1 d\u1eadp l\u1eeda v\u00e0 ch\u1ed1ng ch\u00e1y. Hi\u1ec7n t\u1ea1i, c\u00e1c ch\u1ea5t ch\u1ed1ng ch\u00e1y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho polypropylene ch\u1ee7 y\u1ebfu bao g\u1ed3m ch\u1ea5t ch\u1ed1ng ch\u00e1y hydroxit kim lo\u1ea1i, ch\u1ea5t ch\u1ed1ng ch\u00e1y g\u1ed1c bo, ch\u1ea5t ch\u1ed1ng ch\u00e1y g\u1ed1c silicon<\/a>, ch\u1ea5t ch\u1ed1ng ch\u00e1y g\u1ed1c ph\u1ed1t pho, ch\u1ea5t ch\u1ed1ng ch\u00e1y g\u1ed1c nit\u01a1 v\u00e0 ch\u1ea5t l\u00e0m ch\u1eadm ch\u00e1y d\u1ea1ng kh\u00ed.<\/p>\n

1. Ch\u1ea5t ch\u1ed1ng ch\u00e1y hydroxit kim lo\u1ea1i<\/p>\n

Than ho\u1ea1t t\u00ednh trong ch\u1ea5t ch\u1ed1ng ch\u00e1y hydroxit kim lo\u1ea1i c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn v\u00e0 gi\u00e0u c\u00e1c nh\u00f3m ch\u1ee9c n\u0103ng, c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p t\u1ed1t v\u1edbi c\u00e1c nh\u00f3m hydroxyl tr\u00ean c\u00e1c h\u1ea1t natri magie hydroxit, l\u00e0m suy y\u1ebfu hi\u1ec7u qu\u1ea3 \u0111\u1ed9 ph\u00e2n c\u1ef1c b\u1ec1 m\u1eb7t c\u1ee7a magie hydroxit v\u00e0 gi\u1ea3m s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a n\u00f3 . Kh\u1ea3 n\u0103ng k\u1ebft t\u1ee5 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a natri magi\u00ea hydroxit v\u1edbi ch\u1ea5t n\u1ec1n PP, do \u0111\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh ch\u1ed1ng ch\u00e1y c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng.<\/p>\n

2. Boron ch\u1ed1ng ch\u00e1y<\/p>\n

Trong composite PP \/ BN @ MGO, do c\u1ea5u tr\u00fac l\u1edbp ph\u1ee7 v\u00e0 s\u1eeda \u0111\u1ed5i alkyl h\u00f3a c\u1ee7a ch\u1ea5t ch\u1ed1ng ch\u00e1y BN @ MGO, hi\u1ec7u qu\u1ea3 gh\u00e9p chu\u1ed7i alkyl c\u1ee7a n\u00f3 cao v\u00e0 c\u00e1c nguy\u00ean t\u1ed1 carbon c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m gi\u00e0u tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a ch\u1ea5t \u0111\u1ed9n, \u0111i\u1ec1u n\u00e0y gi\u00fap t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 \u00c1i l\u1ef1c gi\u1eefa ch\u1ea5t ch\u1ed1ng ch\u00e1y BN @ MGO v\u00e0 th\u00e2n PP cho ph\u00e9p n\u00f3 \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u trong ma tr\u1eadn PP.<\/p>\n

3. Silicon<\/a> ch\u1ed1ng ch\u00e1y<\/p>\n

HNTs-Si trong ch\u1ea5t ch\u1ed1ng ch\u00e1y g\u1ed1c silicon<\/a> c\u00f3 th\u1ec3 duy tr\u00ec c\u1ea5u tr\u00fac h\u00ecnh \u1ed1ng ban \u0111\u1ea7u trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 cao, v\u00e0 c\u00f3 th\u1ec3 xo\u1eafn v\u1edbi chu\u1ed7i PP b\u1ecb ph\u00e2n h\u1ee7y nhi\u1ec7t \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp carbon d\u00e0y \u0111\u1eb7c “d\u1ea1ng s\u1ee3i”, c\u00f3 hi\u1ec7u qu\u1ea3 \u1ee9c ch\u1ebf s\u1ef1 ch\u00e1y c\u1ee7a PP. S\u1ef1 truy\u1ec1n nhi\u1ec7t, kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 kh\u00f3i.<\/p>\n

4. Ch\u1ea5t ch\u1ed1ng ch\u00e1y ph\u1ed1t pho<\/p>\n

Trong ch\u1ea5t ch\u1ed1ng ch\u00e1y g\u1ed1c ph\u1ed1t pho, sorbitol c\u00f3 m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c nh\u00f3m hydroxyl, d\u1ec5 t\u1ea1o th\u00e0nh l\u1edbp cacbon h\u00f3a trong qu\u00e1 tr\u00ecnh ch\u00e1y, trong khi amoni polyphotphat b\u1ecb ph\u00e2n h\u1ee7y khi \u0111un n\u00f3ng t\u1ea1o ra c\u00e1c h\u1ee3p ch\u1ea5t axit photphoric, \u0111i\u1ec1u n\u00e0y l\u00e0m t\u0103ng th\u00eam qu\u00e1 tr\u00ecnh cacbon h\u00f3a c\u1ee7a sorbitol, v\u00e0 t\u1ea1o ra c\u1ee7a l\u1edbp cacbon b\u1ecb tr\u1ec5. S\u1ef1 lan truy\u1ec1n nhi\u1ec7t v\u00e0 s\u1ef1 c\u00f4 l\u1eadp c\u1ee7a oxy, c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh ch\u1ed1ng ch\u00e1y c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n

5. Ch\u1ea5t ch\u1ed1ng ch\u00e1y nit\u01a1<\/p>\n

MPP s\u1ebd t\u1ea1o ra kh\u00ed kh\u00f4ng ch\u00e1y (bao g\u1ed3m NH3, NO v\u00e0 H2O) v\u00e0 m\u1ed9t s\u1ed1 ch\u1ea5t ch\u1ee9a photpho trong qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y, c\u00f2n AP c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng nh\u00f4m photphat Al2 (HPO4) 3 v\u00e0 kh\u00ed photphin (PH3) \u1edf nhi\u1ec7t \u0111\u1ed9 cao, nh\u1eefng kh\u00ed n\u00e0y kh\u00f4ng nh\u1eefng c\u00f3 th\u1ec3 pha lo\u00e3ng kh\u00ed d\u1ec5 ch\u00e1y trong kh\u00f4ng kh\u00ed, v\u00e0 c\u0169ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t t\u1ea5m ch\u1eafn kh\u00ed tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u, do \u0111\u00f3 l\u00e0m gi\u1ea3m qu\u00e1 tr\u00ecnh ch\u00e1y.<\/p>\n

6. Ch\u1ea5t ch\u1ed1ng ch\u00e1y \u0111\u1ea7u v\u00e0o<\/p>\n

NiCo2O4 c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 h\u00ecnh th\u00e1i c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn, nhi\u1ec1u v\u1ecb tr\u00ed ho\u1ea1t \u0111\u1ed9ng, ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf \u0111\u01a1n gi\u1ea3n v\u00e0 \u0111a d\u1ea1ng. L\u00e0 m\u1ed9t h\u1ee3p ch\u1ea5t g\u1ed1c niken, NiCo2O4 c\u00f3 kh\u1ea3 n\u0103ng x\u00fac t\u00e1c cacbon tuy\u1ec7t v\u1eddi, kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m c\u00e1c s\u1ea3n ph\u1ea9m ch\u00e1y v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y.<\/p>\n","protected":false},"excerpt":{"rendered":"

Ch\u1ea5t ch\u1ed1ng ch\u00e1y l\u00e0 ch\u1ea5t t\u0103ng c\u01b0\u1eddng cho v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p polyme. Vi\u1ec7c s\u1eed d\u1ee5ng ch\u1ea5t ch\u1ed1ng ch\u00e1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho v\u1eadt li\u1ec7u polyme ch\u1ed1ng ch\u00e1y, \u0111\u1ec3 tr\u00e1nh ch\u00e1y v\u1eadt li\u1ec7u v\u00e0 ng\u0103n ch\u00e1y lan, th\u00fac \u0111\u1ea9y v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p c\u00f3 kh\u1ea3 n\u0103ng ng\u0103n kh\u00f3i, t\u1ef1 d\u1eadp l\u1eeda v\u00e0 ch\u1ed1ng ch\u00e1y.<\/p>\n","protected":false},"author":7,"featured_media":119246,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-119270","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\/119270"}],"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=119270"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/119270\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/119246"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=119270"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=119270"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=119270"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}