{"id":119612,"date":"2022-11-07T13:38:50","date_gmt":"2022-11-07T05:38:50","guid":{"rendered":"https:\/\/www.alpapowder.com\/119612\/"},"modified":"2022-11-07T13:38:50","modified_gmt":"2022-11-07T05:38:50","slug":"anh-huong-cua-chat-don-mica-da-duoc-dieu-chinh-doi-voi-tinh-chat-chong-an-mon-cua-lop-phu-uv-duoc-bao-duong","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/119612\/","title":{"rendered":"\u1ea2nh h\u01b0\u1edfng c\u1ee7a ch\u1ea5t \u0111\u1ed9n Mica \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed1i v\u1edbi t\u00ednh ch\u1ea5t ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a l\u1edbp ph\u1ee7 UV \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng"},"content":{"rendered":"

\"\"<\/p>\n

L\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng c\u1ee7a l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n, ch\u1ea5t \u0111\u1ed9n ch\u1ed1ng \u0103n m\u00f2n l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a l\u1edbp s\u01a1n ph\u1ee7. \u0110\u01b0\u1ee3c ph\u00e2n chia theo c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng, ch\u1ea5t \u0111\u1ed9n ch\u1ed1ng \u0103n m\u00f2n ch\u1ee7 y\u1ebfu bao g\u1ed3m ch\u1ea5t \u0111\u1ed9n ch\u1ed1ng \u0103n m\u00f2n t\u00edch c\u1ef1c, ch\u1ea5t \u0111\u1ed9n ch\u1ed1ng \u0103n m\u00f2n hy sinh v\u00e0 ch\u1ea5t \u0111\u1ed9n ch\u1ed1ng \u0103n m\u00f2n che ch\u1eafn. Trong s\u1ed1 \u0111\u00f3, c\u00e1c ch\u1ea5t \u0111\u1ed9n ch\u1ed1ng \u0103n m\u00f2n che ch\u1eafn nh\u01b0 \u0111\u1ea5t s\u00e9t, boron nitrua, mica, v.v., nh\u1eefng ch\u1ea5t \u0111\u1ed9n n\u00e0y s\u1ebd kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n v\u00e0 c\u1ea5u tr\u00fac phi\u1ebfn \u0111\u1ed9c \u0111\u00e1o c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp r\u00e0o c\u1ea3n d\u00e0y \u0111\u1eb7c nhi\u1ec1u l\u1edbp, ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n v\u00e0 cung c\u1ea5p m\u1ed9t l\u1edbp ph\u1ee7 t\u1ed1t cho l\u1edbp ph\u1ee7. T\u00e1c d\u1ee5ng ch\u1ed1ng \u0103n m\u00f2n, v\u00ec v\u1eady n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i.<\/p>\n

L\u00e0 m\u1ed9t kho\u00e1ng ch\u1ea5t silicat, mica c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng axit v\u00e0 ki\u1ec1m tuy\u1ec7t v\u1eddi, ch\u1ecbu nhi\u1ec7t v\u00e0 \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc. C\u1ea5u tr\u00fac d\u1ea1ng h\u1ea1t v\u00e0 phi\u1ebfn tinh th\u1ec3 si\u00eau m\u1ecbn t\u1ef1 nhi\u00ean cho ph\u00e9p mica d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c ch\u1ebf bi\u1ebfn th\u00e0nh b\u1ed9t si\u00eau m\u1ecbn c\u00f3 v\u1ea3y. \u0110\u1ed9 d\u00e0y c\u1ee7a phi\u1ebfn k\u00ednh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t d\u01b0\u1edbi 1 \u03bcm, \u0111i\u1ec1u n\u00e0y kh\u00f3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i v\u1ea3y t\u1ed5ng h\u1ee3p nh\u00e2n t\u1ea1o nh\u01b0 v\u1ea3y th\u1ee7y tinh v\u00e0 v\u1ea3y th\u00e9p kh\u00f4ng g\u1ec9. N\u00f3 l\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n ch\u1ed1ng \u0103n m\u00f2n l\u00fd t\u01b0\u1edfng, v\u00ec v\u1eady n\u00f3 \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 quan t\u00e2m r\u1ed9ng r\u00e3i.<\/p>\n

S\u1ef1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a hi\u1ec7u \u1ee9ng k\u00edch th\u01b0\u1edbc c\u1ee7a ch\u1ea5t \u0111\u1ed9n mica l\u00ean \u0111\u1eb7c t\u00ednh khu\u1ebfch t\u00e1n c\u1ee7a n\u01b0\u1edbc trong l\u1edbp ph\u1ee7 epoxy \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1 b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p tr\u1edf kh\u00e1ng \u0111i\u1ec7n h\u00f3a, v\u00e0 ng\u01b0\u1eddi ta \u0111\u00e3 ch\u1ee9ng minh r\u1eb1ng k\u00edch th\u01b0\u1edbc mica ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc; Meng v\u00e0 c\u1ed9ng s\u1ef1. Sau khi s\u1eeda \u0111\u1ed5i, m\u1ed9t l\u1edbp ph\u1ee7 nh\u1ef1a epoxy bi\u1ebfn t\u00ednh b\u1eb1ng mica \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb v\u00e0 ho\u1ea1t \u0111\u1ed9ng h\u01b0 h\u1ecfng c\u1ee7a l\u1edbp ph\u1ee7 d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a \u00e1p su\u1ea5t th\u1ee7y t\u0129nh xen k\u1ebd bi\u1ec3n (AHP) \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u00e1m ph\u00e1. Ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng vi\u1ec7c s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 s\u1ef1 ph\u00e2n t\u00e1n c\u1ee7a mica trong l\u1edbp ph\u1ee7.<\/p>\n

Mica \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n ch\u1ed1ng \u0103n m\u00f2n, ch\u1ea5t ph\u00e2n t\u00e1n anion BYK-111 bao g\u1ed3m ph\u1ea7n chu\u1ed7i hydrocacbon t\u00edch \u0111i\u1ec7n \u00e2m kh\u00f4ng ph\u00e2n c\u1ef1c v\u00e0 nh\u00f3m \u01b0a n\u01b0\u1edbc ph\u00e2n c\u1ef1c, v\u00e0 h\u1ee3p ch\u1ea5t mu\u1ed1i alkoxyammonium t\u00edch \u0111i\u1ec7n d\u01b0\u01a1ng kh\u00f4ng ph\u00e2n c\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i ch\u1ea5t l\u00e0m \u01b0\u1edbt v\u00e0 ph\u00e2n t\u00e1n kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 BYK-180, polyme lo\u1ea1i mu\u1ed1i este photphat BYK-145, v\u00e0 \u0111\u1ed3ng tr\u00f9ng h\u1ee3p kh\u1ed1i cao ph\u00e2n t\u1eed BYK-168 c\u00f3 ch\u1ee9a c\u00e1c nh\u00f3m \u00e1i l\u1ef1c s\u1eafc t\u1ed1, l\u00e0m thay \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a mica. V\u00e0 ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng mica th\u00eam v\u00e0o \u0111\u1ec3 kh\u00e1m ph\u00e1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u1ea5t \u0111\u1ed9n mica \u0111\u1ed1i v\u1edbi t\u1ef7 l\u1ec7 \u0111\u00f3ng r\u1eafn, m\u1ee9c \u0111\u1ed9 \u0111\u00f3ng r\u1eafn, \u0111\u1ed9 b\u00e1m d\u00ednh, \u0111\u1ed9 c\u1ee9ng v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c v\u00e0 hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a l\u1edbp ph\u1ee7 \u0111\u00f3ng r\u1eafn b\u1eb1ng \u00e1nh s\u00e1ng. K\u1ebft qu\u1ea3 cho th\u1ea5y:<\/p>\n

(1) Vi\u1ec7c b\u1ed5 sung ch\u1ea5t \u0111\u1ed9n mica \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 \u0111\u00f3ng r\u1eafn nh\u1eb9 v\u00e0 t\u1ef7 l\u1ec7 \u0111\u00f3ng r\u1eafn; Vi\u1ec7c b\u1ed5 sung mica c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a l\u1edbp ph\u1ee7, t\u1eeb c\u1ea5p \u0111\u1ed9 1 \u0111\u1ebfn c\u1ea5p \u0111\u1ed9 0, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 c\u1ee9ng c\u1ee7a l\u1edbp ph\u1ee7 ph\u1ee5 thu\u1ed9c v\u00e0o l\u01b0\u1ee3ng mica trong l\u1edbp ph\u1ee7. m\u1ee9c \u0111\u1ed9 ph\u00e2n t\u00e1n;<\/p>\n

(2) Mica ch\u01b0a bi\u1ebfn t\u00ednh c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n k\u00e9m trong l\u1edbp ph\u1ee7 v\u00e0 d\u1ec5 k\u1ebft t\u1ee5. N\u00f3 kh\u00f4ng nh\u1eefng kh\u00f4ng th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a l\u1edbp ph\u1ee7 m\u00e0 c\u00f2n d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c khuy\u1ebft t\u1eadt trong l\u1edbp ph\u1ee7 v\u00e0 \u0111\u1ea9y nhanh s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a \u0103n m\u00f2n; c\u00e1c ki\u1ec3u l\u00e0m \u01b0\u1edbt v\u00e0 ph\u00e2n t\u00e1n kh\u00e1c nhau \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Vi\u1ec7c thay \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a mica b\u1edfi t\u00e1c nh\u00e2n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n c\u1ee7a mica trong l\u1edbp ph\u1ee7, do \u0111\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a l\u1edbp ph\u1ee7 \u0111\u00f3ng r\u1eafn b\u1eb1ng \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng.<\/p>\n

(3) Ch\u1ea5t \u0111\u1ed3ng tr\u00f9ng h\u1ee3p kh\u1ed1i cao ph\u00e2n t\u1eed l\u01b0\u1ee1ng t\u00ednh BYK-168 ch\u1ea5t l\u00e0m \u01b0\u1edbt v\u00e0 ph\u00e2n t\u00e1n (ch\u1ea5t \u0111\u1ed3ng tr\u00f9ng h\u1ee3p kh\u1ed1i cao ph\u00e2n t\u1eed c\u00f3 ch\u1ee9a nh\u00f3m \u00e1i l\u1ef1c s\u1eafc t\u1ed1) c\u00f3 t\u00e1c d\u1ee5ng s\u1eeda \u0111\u1ed5i t\u1ed1t nh\u1ea5t \u0111\u1ed1i v\u1edbi ch\u1ea5t \u0111\u1ed9n mica, 30% l\u01b0\u1ee3ng b\u1ed5 sung mica bi\u1ebfn t\u00ednh l\u00e0 l\u01b0\u1ee3ng b\u1ed5 sung t\u1ed1i \u01b0u, v\u00e0 l\u1edbp ph\u1ee7 b\u1ec1n quang \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng phun mu\u1ed1i trung t\u00ednh trong h\u01a1n 1000 gi\u1edd.<\/p>\n","protected":false},"excerpt":{"rendered":"

L\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng c\u1ee7a l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n, ch\u1ea5t \u0111\u1ed9n ch\u1ed1ng \u0103n m\u00f2n l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a l\u1edbp s\u01a1n ph\u1ee7.<\/p>\n","protected":false},"author":7,"featured_media":119588,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-119612","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\/119612","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=119612"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/119612\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/119588"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=119612"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=119612"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=119612"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}