S\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m t\u1ed5ng h\u1ee3p b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u1ed5 (b\u1ed9t kim c\u01b0\u01a1ng nano m\u00e0u \u0111en v\u00e0 m\u00e0u x\u00e1m) tr\u01b0\u1edbc v\u00e0 sau khi tinh ch\u1ebf \u0111\u1ec3 bi\u1ebfn t\u00ednh cao su fluorocarbon v\u00e0 cao su nitrile. Nghi\u00ean c\u1ee9u cho th\u1ea5y, m\u1eb7c d\u00f9 b\u1ed9t kim c\u01b0\u01a1ng nano m\u00e0u \u0111en c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng c\u1ee7a cao su, nh\u01b0ng \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t l\u1ea1i gi\u1ea3m. Khi th\u00eam b\u1ed9t kim c\u01b0\u01a1ng nano m\u00e0u x\u00e1m v\u00e0o cao su fluorocarbon, c\u00e1c ch\u1ec9 s\u1ed1 t\u00ednh n\u0103ng t\u1ed5ng h\u1ee3p c\u1ee7a cao su \u0111\u1ec1u \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. \u0110i\u1ec1u n\u00e0y l\u00e0 do b\u1ed9t kim c\u01b0\u01a1ng nano m\u00e0u x\u00e1m ch\u1ee9a c\u00e1c nh\u00f3m ch\u1ee9c nh\u01b0 hydroxyl, carboxyl, methyl, v.v., gi\u00fap t\u0103ng c\u01b0\u1eddng ho\u1ea1t t\u00ednh li\u00ean k\u1ebft v\u1edbi polymer, t\u1eeb \u0111\u00f3 c\u1ea3i thi\u1ec7n c\u00e1c ch\u1ec9 s\u1ed1 t\u00ednh n\u0103ng c\u1ee7a cao su nh\u01b0 \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 c\u1ee9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n.
Nghi\u00ean c\u1ee9u c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc Nga cho th\u1ea5y, khi th\u00eam b\u1ed9t kim c\u01b0\u01a1ng nano v\u00e0o m\u00e0ng fluor, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u0103ng g\u1ea5p \u0111\u00f4i. Khi th\u00eam b\u1ed9t kim c\u01b0\u01a1ng nano v\u00e0o cao su polyisoprene d\u00f9ng cho l\u1ed1p xe, c\u00e1c t\u00ednh n\u0103ng nh\u01b0 \u0111\u1ed9 b\u1ec1n m\u00e0i m\u00f2n, \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 kh\u1ea3 n\u0103ng l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a t\u0103ng t\u1eeb 1,3 \u0111\u1ebfn 1,7 l\u1ea7n; kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3, v\u00e0 \u0111\u1ed9 b\u1ec1n ch\u1ed1ng n\u1ed5 c\u1ee7a l\u1ed1p xe (t\u0103ng t\u1eeb 53 MPa l\u00ean 154 MPa). Khi b\u1ed5 sung b\u1ed9t than v\u00e0o cao su silicone, \u0111\u1ed9 b\u1ec1n \u0111\u1ee9t t\u0103ng t\u1eeb 53 MPa l\u00ean 154 MPa khi chi\u1ec1u d\u00e0i tuy\u1ec7t \u0111\u1ed1i t\u0103ng kho\u1ea3ng 3 l\u1ea7n, \u0111\u1ed9 b\u1ec1n \u0111\u00e0n h\u1ed3i t\u1ed5ng h\u1ee3p t\u0103ng 3\u20135 l\u1ea7n; m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i gi\u1edbi h\u1ea1n v\u00e0 t\u1ed1i \u0111a t\u01b0\u01a1ng \u1ee9ng v\u1edbi h\u00e0m l\u01b0\u1ee3ng b\u1ed9t than kho\u1ea3ng 0,6% (theo tr\u1ecdng l\u01b0\u1ee3ng); Vi\u1ec7c b\u1ed5 sung b\u1ed9t \u0111en v\u00e0o th\u00e0nh ph\u1ea7n cao su fluor l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n l\u00ean 1,5 \u0111\u1ebfn 2 l\u1ea7n, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi cao su polyisoprene.
Hi\u1ec7n nay, ph\u1ea7n l\u1edbn c\u00e1c nghi\u00ean c\u1ee9u t\u1eadp trung v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9t kim c\u01b0\u01a1ng nano ho\u1eb7c b\u1ed9t \u0111en l\u00e0m ch\u1ea5t \u0111\u1ed9n cho c\u00e1c s\u1ea3n ph\u1ea9m cao su ho\u1eb7c nh\u1ef1a c\u00f3 t\u00ednh n\u0103ng cao, v\u00e0 \u0111\u1ec1u \u1edf m\u1ee9c \u0111\u1ed9 \u0111\u1ed9n th\u1ea5p, v\u1edbi l\u01b0\u1ee3ng b\u1ed5 sung th\u01b0\u1eddng d\u01b0\u1edbi 1%. Trong qu\u00e1 tr\u00ecnh gia c\u00f4ng cao su, vi\u1ec7c thay th\u1ebf 1\u20133% (theo tr\u1ecdng l\u01b0\u1ee3ng) ch\u1ea5t \u0111\u1ed9n carbon truy\u1ec1n th\u1ed1ng b\u1eb1ng b\u1ed9t kim c\u01b0\u01a1ng nano ho\u1eb7c b\u1ed9t than \u0111en v\u1edbi c\u00f9ng kh\u1ed1i l\u01b0\u1ee3ng c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd (s\u1ed1 km) c\u1ee7a l\u1ed1p xe \u00f4 t\u00f4 l\u00e0m t\u1eeb cao su isoprene kh\u00f4ng ph\u00e2n c\u1ef1c th\u00eam 30%, trong khi tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c chi ti\u1ebft cao su nh\u01b0 v\u00f2ng \u0111\u1ec7m tr\u1ee5c c\u00f3 th\u1ec3 t\u0103ng 30\u2013100%. \u0110\u1ed3ng th\u1eddi, do vi\u1ec7c b\u1ed5 sung b\u1ed9t kim c\u01b0\u01a1ng nano l\u00e0m gi\u1ea3m \u0111\u1ed9 x\u1ed1p, c\u00f4ng su\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 tr\u1ed9n h\u1ed7n h\u1ee3p gi\u1ea3m 5~7%, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 gi\u1ea3m b\u1ecdt kh\u00ed, m\u1ea3nh v\u1ee5n v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng b\u00e1m d\u00ednh tr\u00ean b\u1ec1 m\u1eb7t, gi\u00fap vi\u1ec7c th\u00e1o khu\u00f4n d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"
S\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m t\u1ed5ng h\u1ee3p b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u1ed5 (b\u1ed9t kim c\u01b0\u01a1ng nano m\u00e0u \u0111en v\u00e0 m\u00e0u x\u00e1m) […]<\/p>\n","protected":false},"author":1,"featured_media":140840,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4292],"tags":[4475,4474,4579],"class_list":["post-140841","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ung-dung-san-pham","tag-bot-kim-cuong","tag-kem-kim-cuong","tag-ung-dung-san-pham"],"_links":{"self":[{"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/posts\/140841","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/comments?post=140841"}],"version-history":[{"count":0,"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/posts\/140841\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/media\/140840"}],"wp:attachment":[{"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/media?parent=140841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/categories?post=140841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/honwaygroup.com\/vi\/wp-json\/wp\/v2\/tags?post=140841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}