{"id":133245,"date":"2024-08-02T15:15:10","date_gmt":"2024-08-02T07:15:10","guid":{"rendered":"https:\/\/www.alpapowder.com\/133245\/"},"modified":"2024-08-02T15:15:12","modified_gmt":"2024-08-02T07:15:12","slug":"ung-dung-bot-silica-bien-tinh","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/133245\/","title":{"rendered":"\u1ee8ng d\u1ee5ng b\u1ed9t silica bi\u1ebfn t\u00ednh"},"content":{"rendered":"

\"\"<\/p>\n

B\u1ed9t silica l\u00e0 ch\u1ea5t \u0111\u1ed9n ch\u1ee9c n\u0103ng v\u00f4 c\u01a1 phi kim lo\u1ea1i r\u1ea5t quan tr\u1ecdng c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi polyme h\u1eefu c\u01a1 v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a v\u1eadt li\u1ec7u composite. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed, cao su silicon<\/a>, l\u1edbp ph\u1ee7, ch\u1ea5t k\u1ebft d\u00ednh, v\u1eadt li\u1ec7u \u0111\u00f3ng g\u00f3i v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/p>\n

B\u1ea3n th\u00e2n b\u1ed9t silica<\/a> l\u00e0 m\u1ed9t ch\u1ea5t ph\u00e2n c\u1ef1c, \u01b0a n\u01b0\u1edbc. N\u00f3 c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh giao di\u1ec7n kh\u00e1c v\u1edbi ma tr\u1eadn polyme, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch k\u00e9m v\u00e0 th\u01b0\u1eddng kh\u00f3 ph\u00e2n t\u00e1n trong v\u1eadt li\u1ec7u n\u1ec1n. Do \u0111\u00f3, \u0111\u1ec3 l\u00e0m cho v\u1eadt li\u1ec7u composite tuy\u1ec7t v\u1eddi h\u01a1n, th\u01b0\u1eddng c\u1ea7n ph\u1ea3i s\u1eeda \u0111\u1ed5i b\u1ec1 m\u1eb7t c\u1ee7a b\u1ed9t silica<\/a> v\u00e0 c\u1ed1 \u00fd thay \u0111\u1ed5i c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc c\u1ee7a b\u1ec1 m\u1eb7t b\u1ed9t silica theo nhu c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng, \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a n\u00f3 v\u1edbi v\u1eadt li\u1ec7u polyme h\u1eefu c\u01a1 v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 ph\u00e2n t\u00e1n v\u00e0 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng c\u1ee7a n\u00f3 trong v\u1eadt li\u1ec7u polyme.<\/p>\n

T\u1ea5m \u00e9p \u0111\u1ed3ng<\/p>\n

T\u1ea5m \u00e9p \u0111\u1ed3ng l\u00e0 v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch t\u1ea9m s\u1ee3i th\u1ee7y tinh ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u gia c\u1ed1 kh\u00e1c b\u1eb1ng ma tr\u1eadn nh\u1ef1a, th\u00eam c\u00e1c ch\u1ea5t \u0111\u1ed9n kh\u00e1c nhau v\u00e0 ph\u1ee7 m\u1ed9t ho\u1eb7c c\u1ea3 hai m\u1eb7t b\u1eb1ng l\u00e1 \u0111\u1ed3ng th\u00f4ng qua c\u00e1c quy tr\u00ecnh nh\u01b0 \u0111i\u1ec1u ch\u1ec9nh keo v\u00e0 t\u1ea9m, sau \u0111\u00f3 \u00e9p n\u00f3ng. Vi\u1ec7c b\u1ed5 sung b\u1ed9t silica<\/a> bi\u1ebfn t\u00ednh c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t c\u00e1c t\u1ea5m ph\u1ee7 \u0111\u1ed3ng v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a ch\u00fang.<\/p>\n

Cao su<\/p>\n

Cao su l\u00e0 v\u1eadt li\u1ec7u polyme c\u00f3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao v\u1edbi kh\u1ea3 n\u0103ng bi\u1ebfn d\u1ea1ng c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u0111i\u1ec7n t\u1eed, \u00f4 t\u00f4, k\u1ef9 thu\u1eadt d\u00e2n d\u1ee5ng, qu\u1ed1c ph\u00f2ng, y t\u1ebf v\u00e0 s\u1ee9c kh\u1ecfe, v\u00e0 nhu y\u1ebfu ph\u1ea9m h\u00e0ng ng\u00e0y. Trong qu\u00e1 tr\u00ecnh ch\u1ebf bi\u1ebfn cao su, vi\u1ec7c b\u1ed5 sung m\u1ed9t l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9n v\u00f4 c\u01a1 nh\u1ea5t \u0111\u1ecbnh kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t cao su m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd to\u00e0n di\u1ec7n v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u0111\u1ed9ng c\u1ee7a v\u1eadt li\u1ec7u composite cao su.<\/p>\n

Nh\u1ef1a<\/p>\n

B\u1ed9t silicon<\/a> c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 polyethylene (PE), polyvinyl clorua (PVC), polypropylene (PP), polyphenylene ether (PPO) trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t nh\u1ef1a. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u01b0 x\u00e2y d\u1ef1ng, \u00f4 t\u00f4, v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n truy\u1ec1n th\u00f4ng \u0111i\u1ec7n t\u1eed, n\u00f4ng nghi\u1ec7p, nhu y\u1ebfu ph\u1ea9m h\u00e0ng ng\u00e0y, qu\u1ed1c ph\u00f2ng v\u00e0 qu\u00e2n s\u1ef1.<\/p>\n

H\u1ee3p ch\u1ea5t \u0111\u00fac epoxy<\/p>\n

H\u1ee3p ch\u1ea5t \u0111\u00fac epoxy l\u00e0 h\u1ee3p ch\u1ea5t \u0111\u00fac \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb nhi\u1ec1u lo\u1ea1i ph\u1ee5 gia. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u ch\u00ednh cho bao b\u00ec \u0111i\u1ec7n t\u1eed v\u00e0 chi\u1ebfm h\u01a1n 97% th\u1ecb tr\u01b0\u1eddng bao b\u00ec vi \u0111i\u1ec7n t\u1eed. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c b\u00e1n d\u1eabn, \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, m\u1ea1ch t\u00edch h\u1ee3p, h\u00e0ng kh\u00f4ng, qu\u00e2n s\u1ef1 v\u00e0 c\u00e1c l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i kh\u00e1c.<\/p>\n

\u0110\u00fac epoxy<\/p>\n

V\u1eadt li\u1ec7u \u0111\u00fac c\u00e1ch \u0111i\u1ec7n epoxy l\u00e0 h\u1ed7n h\u1ee3p nh\u1ef1a polyme h\u00f3a d\u1ea1ng l\u1ecfng ho\u1eb7c nh\u1edbt \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nh\u1ef1a, ch\u1ea5t \u0111\u00f3ng r\u1eafn, ch\u1ea5t \u0111\u1ed9n, v.v. \u1ede nhi\u1ec7t \u0111\u1ed9 r\u00f3t, v\u1eadt \u0111\u00fac c\u00f3 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng t\u1ed1t v\u00e0 \u00edt ch\u1ea5t bay h\u01a1i, \u0111\u00f3ng r\u1eafn nhanh v\u00e0 co ng\u00f3t nh\u1ecf sau khi \u0111\u00f3ng r\u1eafn. Nh\u1ef1a epoxy h\u00ecnh th\u00e0nh sau khi \u0111\u00fac l\u00e0 s\u1ea3n ph\u1ea9m c\u00e1ch \u0111i\u1ec7n t\u00edch h\u1ee3p nhi\u1ec1u ch\u1ee9c n\u0103ng nh\u01b0 c\u00e1ch \u0111i\u1ec7n, ch\u1ed1ng \u1ea9m, ch\u1ed1ng n\u1ea5m m\u1ed1c, ch\u1ed1ng \u0103n m\u00f2n, c\u1ed1 \u0111\u1ecbnh v\u00e0 c\u00f4 l\u1eadp.<\/p>\n

Keo d\u00e1n \u0111i\u1ec7n t\u1eed<\/p>\n

Keo d\u00e1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, ch\u1ee7 y\u1ebfu \u0111\u1ec3 li\u00ean k\u1ebft, b\u1ecbt k\u00edn, r\u00e0o c\u1ea3n v\u00e0 b\u1ea3o v\u1ec7. N\u00f3 \u1edf d\u1ea1ng l\u1ecfng tr\u01b0\u1edbc khi \u0111\u00f3ng r\u1eafn v\u00e0 c\u00f3 \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng nh\u1ea5t \u0111\u1ecbnh. \u0110\u1ed9 nh\u1edbt c\u1ee7a keo thay \u0111\u1ed5i t\u00f9y theo v\u1eadt li\u1ec7u, hi\u1ec7u su\u1ea5t v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 gi\u00e1 tr\u1ecb s\u1eed d\u1ee5ng c\u1ee7a n\u00f3 ch\u1ec9 c\u00f3 th\u1ec3 nh\u1eadn ra sau khi keo \u0111\u00f3ng r\u1eafn ho\u00e0n to\u00e0n.<\/p>\n

\u0110\u00e1 th\u1ea1ch anh nh\u00e2n t\u1ea1o<\/p>\n

B\u1ed9t silicon<\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t \u0111\u1ed9n trong \u0111\u00e1 th\u1ea1ch anh nh\u00e2n t\u1ea1o, kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 gi\u1ea3m l\u01b0\u1ee3ng nh\u1ef1a kh\u00f4ng b\u00e3o h\u00f2a ti\u00eau th\u1ee5 m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, kh\u1ea3 n\u0103ng ch\u1ed1ng axit v\u00e0 ki\u1ec1m, \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 c\u00e1c t\u00ednh ch\u1ea5t kh\u00e1c c\u1ee7a t\u1ea5m th\u1ea1ch anh nh\u00e2n t\u1ea1o.<\/p>\n

C\u00e1c l\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau c\u1ee7a b\u1ed9t silicon<\/a> c\u00f3 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00e1c nhau. Do \u0111\u00f3, khi l\u1ef1a ch\u1ecdn \u1ee9ng d\u1ee5ng b\u1ed9t silicon<\/a>, c\u1ea7n k\u1ebft h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u1ea1 ngu\u1ed3n v\u00e0 c\u1ea7n xem x\u00e9t to\u00e0n di\u1ec7n chi ph\u00ed, hi\u1ec7u qu\u1ea3, hi\u1ec7u su\u1ea5t v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c \u0111\u1ec3 l\u1ef1a ch\u1ecdn lo\u1ea1i b\u1ed9t silicon, ch\u1ea5t \u0111i\u1ec1u ch\u1ec9nh v\u00e0 c\u00f4ng th\u1ee9c ph\u00f9 h\u1ee3p. V\u1edbi s\u1ef1 c\u1ea3i thi\u1ec7n li\u00ean t\u1ee5c c\u1ee7a n\u1ec1n kinh t\u1ebf v\u00e0 x\u00e3 h\u1ed9i c\u1ee7a \u0111\u1ea5t n\u01b0\u1edbc t\u00f4i, hi\u1ec7n nay, nghi\u00ean c\u1ee9u \u1ee9ng d\u1ee5ng b\u1ed9t silicon<\/a> bi\u1ebfn t\u00ednh ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o c\u00e1c t\u1ea5m ph\u1ee7 \u0111\u1ed3ng cao c\u1ea5p, ch\u1ea5t k\u1ebft d\u00ednh hi\u1ec7u su\u1ea5t cao, v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t v\u00e0 c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 cao kh\u00e1c \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1eb1ng b\u1ed9t silicon h\u00ecnh c\u1ea7u l\u00e0m nguy\u00ean li\u1ec7u th\u00f4. Tinh ch\u1ec9nh v\u00e0 chuy\u00ean m\u00f4n h\u00f3a ch\u1ee9c n\u0103ng s\u1ebd l\u00e0 h\u01b0\u1edbng \u0111i ch\u1ee7 \u0111\u1ea1o c\u1ee7a \u1ee9ng d\u1ee5ng b\u1ed9t silicon<\/a> bi\u1ebfn t\u00ednh trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"

B\u1ea3n th\u00e2n b\u1ed9t silica l\u00e0 m\u1ed9t ch\u1ea5t ph\u00e2n c\u1ef1c, \u01b0a n\u01b0\u1edbc. N\u00f3 c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh giao di\u1ec7n kh\u00e1c v\u1edbi ma tr\u1eadn polyme, kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch k\u00e9m v\u00e0 th\u01b0\u1eddng kh\u00f3 ph\u00e2n t\u00e1n trong v\u1eadt li\u1ec7u n\u1ec1n.<\/p>\n","protected":false},"author":7,"featured_media":133209,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[852],"tags":[],"class_list":["post-133245","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\/133245"}],"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=133245"}],"version-history":[{"count":2,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/133245\/revisions"}],"predecessor-version":[{"id":133247,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/133245\/revisions\/133247"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/133209"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=133245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=133245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=133245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}