{"id":117822,"date":"2022-07-24T10:00:47","date_gmt":"2022-07-24T02:00:47","guid":{"rendered":"https:\/\/www.alpapowder.com\/117822\/"},"modified":"2022-07-21T15:32:32","modified_gmt":"2022-07-21T07:32:32","slug":"oxit-kem-nano-mot-vat-lieu-hoa-hoc-vo-co-min-chuc-nang-moi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/117822\/","title":{"rendered":"\u00d4x\u00edt k\u1ebdm nano – m\u1ed9t v\u1eadt li\u1ec7u h\u00f3a h\u1ecdc v\u00f4 c\u01a1 m\u1ecbn ch\u1ee9c n\u0103ng m\u1edbi"},"content":{"rendered":"
<\/p>\n
Oxit nano-k\u1ebdm l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u h\u00f3a h\u1ecdc v\u00f4 c\u01a1 m\u1ecbn ch\u1ee9c n\u0103ng m\u1edbi, c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 nguy\u00ean li\u1ec7u th\u00f4 r\u1ebb v\u00e0 d\u1ec5 ki\u1ebfm, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y cao, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t, kh\u1edbp n\u1ed1i c\u01a1 \u0111i\u1ec7n t\u1ed1t, hi\u1ec7u su\u1ea5t ph\u00e1t quang t\u1ed1t, hi\u1ec7u su\u1ea5t kh\u00e1ng khu\u1ea9n, hi\u1ec7u su\u1ea5t x\u00fac t\u00e1c v\u00e0 hi\u1ec7u su\u1ea5t che ch\u1eafn tia c\u1ef1c t\u00edm tuy\u1ec7t v\u1eddi. , \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ch\u1ea5t ph\u1ee5 gia kh\u00e1ng khu\u1ea9n, ch\u1ea5t x\u00fac t\u00e1c, cao su, thu\u1ed1c nhu\u1ed9m, m\u1ef1c, ch\u1ea5t ph\u1ee7, th\u1ee7y tinh, g\u1ed1m \u00e1p \u0111i\u1ec7n, quang \u0111i\u1ec7n t\u1eed v\u00e0 h\u00f3a ch\u1ea5t gia d\u1ee5ng v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/p>\n
1. Ch\u1ea5t ho\u1ea1t \u0111\u1ed9ng cao su v\u00e0 ch\u1ea5t t\u0103ng t\u1ed1c l\u01b0u h\u00f3a<\/p>\n
Oxit nano k\u1ebdm c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n t\u1ed1t, l\u1ecfng v\u00e0 x\u1ed1p, t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t, d\u1ec5 ph\u00e2n t\u00e1n trong qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y v\u00e0 t\u1ea1o nhi\u1ec7t nh\u1ecf c\u1ee7a h\u1ee3p ch\u1ea5t cao su. L\u00e0 m\u1ed9t ch\u1ea5t ho\u1ea1t h\u00f3a l\u01b0u h\u00f3a, h\u1ee3p ch\u1ea5t \u0111\u01b0\u1ee3c th\u00eam v\u00e0o s\u1ea3n ph\u1ea9m m\u1ee5c ti\u00eau c\u00f3 ho\u1ea1t t\u00ednh m\u1ea1nh h\u01a1n, c\u1ea3i thi\u1ec7n c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a cao su l\u01b0u h\u00f3a v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m cao su. Ho\u00e0n thi\u1ec7n, \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc, \u0111\u1ed9 b\u1ec1n x\u00e9 r\u00e1ch, kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a nhi\u1ec7t v\u00e0 c\u00f3 c\u00e1c \u01b0u \u0111i\u1ec3m ch\u1ed1ng l\u00e3o h\u00f3a, ch\u1ed1ng ma s\u00e1t v\u00e0 ch\u00e1y, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd, v.v. Khi li\u1ec1u l\u01b0\u1ee3ng b\u1eb1ng 30-50% oxit k\u1ebdm th\u00f4ng th\u01b0\u1eddng, n\u00f3 c\u00f3 th\u1ec3 l\u00e0m cao su m\u1eb7t l\u1ed1p ch\u1ed1ng g\u1eadp Hi\u1ec7u su\u1ea5t t\u0103ng t\u1eeb 100.000 l\u1ea7n l\u00ean 500.000 l\u1ea7n gi\u00fap gi\u1ea3m hi\u1ec7u qu\u1ea3 chi ph\u00ed s\u1ea3n xu\u1ea5t c\u1ee7a doanh nghi\u1ec7p.<\/p>\n
2. B\u1ed9 k\u1ebft tinh g\u1ed1m<\/p>\n
Oxit k\u1ebdm nano c\u00f3 hi\u1ec7u \u1ee9ng nano, k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn v\u00e0 c\u00f3 ho\u1ea1t t\u00ednh h\u00f3a h\u1ecdc cao h\u01a1n oxit k\u1ebdm th\u00f4ng th\u01b0\u1eddng, c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 m\u1ee9c \u0111\u1ed9 nung k\u1ebft v\u00e0 \u0111\u00f4ng \u0111\u1eb7c c\u1ee7a v\u1eadt li\u1ec7u, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 l\u00e0m cho th\u00e0nh ph\u1ea7n c\u1ee7a g\u1ed1m v\u1eadt li\u1ec7u d\u00e0y \u0111\u1eb7c v\u00e0 \u0111\u1ed3ng nh\u1ea5t. , \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u g\u1ed1m. Do hi\u1ec7u \u1ee9ng th\u1ec3 t\u00edch v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1n cao, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u1ea7n ch\u1ebf bi\u1ebfn v\u00e0 nghi\u1ec1n. So v\u1edbi oxit k\u1ebdm th\u00f4ng th\u01b0\u1eddng, li\u1ec1u l\u01b0\u1ee3ng c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m 30% -50%. Nhi\u1ec7t \u0111\u1ed9 nung k\u1ebft c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m g\u1ed1m s\u1ee9 th\u1ea5p h\u01a1n 40-60 \u2103 so v\u1edbi oxit k\u1ebdm th\u00f4ng th\u01b0\u1eddng. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 l\u00e0m cho c\u00e1c s\u1ea3n ph\u1ea9m g\u1ed1m s\u1ee9 c\u00f3 ch\u1ee9c n\u0103ng kh\u00e1ng khu\u1ea9n v\u00e0 t\u1ef1 l\u00e0m s\u1ea1ch.<\/p>\n
3. Ch\u1ea5t ch\u1ed1ng oxy h\u00f3a c\u1ee7a d\u1ea7u ho\u1eb7c m\u1ee1 b\u00f4i tr\u01a1n<\/p>\n
Oxit nano-k\u1ebdm c\u00f3 ho\u1ea1t t\u00ednh h\u00f3a h\u1ecdc m\u1ea1nh v\u00e0 c\u00f3 th\u1ec3 b\u1eaft gi\u1eef c\u00e1c g\u1ed1c t\u1ef1 do, do \u0111\u00f3 ph\u00e1 h\u1ee7y chu\u1ed7i ph\u1ea3n \u1ee9ng c\u1ee7a c\u00e1c g\u1ed1c t\u1ef1 do. \u0110\u1ed3ng th\u1eddi, nano k\u1ebdm oxit l\u00e0 m\u1ed9t oxit l\u01b0\u1ee1ng t\u00ednh, c\u00f3 th\u1ec3 trung h\u00f2a axit t\u00edch t\u1ee5 tr\u00ean chu\u1ed7i hydrocacbon c\u1ee7a d\u1ea7u b\u00f4i tr\u01a1n theo th\u1eddi gian, c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a d\u1ea7u b\u00f4i tr\u01a1n.<\/p>\n
4. Ch\u1ea5t h\u1ea5p th\u1ee5 tia c\u1ef1c t\u00edm<\/p>\n
Oxit nano-k\u1ebdm c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 tia c\u1ef1c t\u00edm v\u00e0 t\u1ea1o ra c\u00e1c chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n t\u1eed, do \u0111\u00f3 h\u1ea5p th\u1ee5 v\u00e0 ng\u0103n ch\u1eb7n tia c\u1ef1c t\u00edm s\u00f3ng trung (UVB) v\u00e0 tia c\u1ef1c t\u00edm s\u00f3ng d\u00e0i (UVA). Do k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf c\u1ee7a nano k\u1ebdm oxit, t\u1ef7 l\u1ec7 h\u1ea5p th\u1ee5 tia c\u1ef1c t\u00edm tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb l\u01b0\u1ee3ng b\u1ed5 sung \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3. Oxit nano-k\u1ebdm l\u00e0 m\u1ed9t oxit kim lo\u1ea1i v\u00f4 c\u01a1, c\u00f3 th\u1ec3 duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i m\u00e0 kh\u00f4ng b\u1ecb suy gi\u1ea3m, do \u0111\u00f3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a t\u00e1c d\u1ee5ng che ch\u1eafn tia c\u1ef1c t\u00edm c\u1ee7a n\u00f3. S\u1ea3n ph\u1ea9m n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u00f3 b\u1ee9c x\u1ea1 tia c\u1ef1c t\u00edm m\u1ea1nh v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 \u0111\u1ed3 n\u1ed9i th\u1ea5t b\u1eb1ng g\u1ed7, nh\u1ef1a, nh\u1ef1a v\u00e0 cao su, c\u0169ng nh\u01b0 m\u1ef9 ph\u1ea9m v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m kh\u00e1c.<\/p>\n
5. Ch\u1ea5t ch\u1ed1ng n\u1ea5m m\u1ed1c v\u00e0 vi khu\u1ea9n<\/p>\n
Oxit nano-k\u1ebdm l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u b\u00e1n d\u1eabn t\u1ef1 k\u00edch ho\u1ea1t. D\u01b0\u1edbi s\u1ef1 chi\u1ebfu x\u1ea1 c\u1ee7a tia c\u1ef1c t\u00edm v\u00e0 \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y, n\u00f3 s\u1ebd ph\u00e2n h\u1ee7y c\u00e1c electron chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do v\u00e0 \u0111\u1ed3ng th\u1eddi \u0111\u1ec3 l\u1ea1i c\u00e1c l\u1ed7 tr\u1ed1ng electron d\u01b0\u01a1ng. C\u00e1c l\u1ed7 c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi oxy v\u00e0 n\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t oxit k\u1ebdm \u0111\u1ec3 t\u1ea1o ra c\u00e1c g\u1ed1c hydroxyl, c\u00e1c lo\u1ea1i oxy ph\u1ea3n \u1ee9ng, v.v., do \u0111\u00f3 g\u00e2y ra m\u1ed9t lo\u1ea1t c\u00e1c ph\u1ea3n \u1ee9ng sinh h\u1ecdc. N\u00f3 c\u00f3 th\u1ec3 oxy h\u00f3a v\u00e0 ph\u00e2n h\u1ee7y sinh kh\u1ed1i hi\u1ec7u qu\u1ea3, \u0111\u1ec3 \u0111\u00f3ng vai tr\u00f2 ch\u1ed1ng n\u1ea5m m\u1ed1c v\u00e0 kh\u00e1ng khu\u1ea9n. Do hi\u1ec7u \u1ee9ng nano c\u1ee7a oxit k\u1ebdm nano, di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u1ee5 th\u1ec3 c\u1ee7a n\u00f3 t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3, ho\u1ea1t t\u00ednh oxy h\u00f3a quang x\u00fac t\u00e1c cao h\u01a1n v\u00e0 n\u00f3 c\u00f3 \u0111\u1eb7c t\u00ednh kh\u00e1ng khu\u1ea9n, kh\u00e1ng khu\u1ea9n v\u00e0 kh\u00e1ng n\u1ea5m hi\u1ec7u qu\u1ea3 h\u01a1n. . N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 kh\u00e1ng khu\u1ea9n v\u00e0 ch\u1ed1ng n\u1ea5m m\u1ed1c cho c\u00e1c l\u1edbp ph\u1ee7, ch\u1ea5t b\u1ecbt k\u00edn, ch\u1ea5t d\u1ebbo, cao su v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m d\u1ec7t may.<\/p>\n Oxit nano-k\u1ebdm l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u h\u00f3a h\u1ecdc v\u00f4 c\u01a1 m\u1ecbn ch\u1ee9c n\u0103ng m\u1edbi, c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 nguy\u00ean li\u1ec7u th\u00f4 r\u1ebb v\u00e0 d\u1ec5 ki\u1ebfm, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y cao, \u1ed5n \u0111\u1ecbnh nhi\u1ec7t t\u1ed1t, kh\u1edbp n\u1ed1i c\u01a1 \u0111i\u1ec7n t\u1ed1t, hi\u1ec7u su\u1ea5t ph\u00e1t quang t\u1ed1t, hi\u1ec7u su\u1ea5t kh\u00e1ng khu\u1ea9n, hi\u1ec7u su\u1ea5t x\u00fac t\u00e1c v\u00e0 hi\u1ec7u su\u1ea5t che ch\u1eafn tia c\u1ef1c t\u00edm tuy\u1ec7t v\u1eddi. , \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ch\u1ea5t ph\u1ee5 gia kh\u00e1ng khu\u1ea9n, ch\u1ea5t x\u00fac t\u00e1c, cao su, thu\u1ed1c nhu\u1ed9m, m\u1ef1c, ch\u1ea5t ph\u1ee7, th\u1ee7y tinh, g\u1ed1m \u00e1p \u0111i\u1ec7n, quang \u0111i\u1ec7n t\u1eed v\u00e0 h\u00f3a ch\u1ea5t gia d\u1ee5ng v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/p>\n","protected":false},"author":7,"featured_media":117798,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-117822","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\/117822","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=117822"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/117822\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/117798"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=117822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=117822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=117822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}