{"id":112862,"date":"2021-11-01T13:32:26","date_gmt":"2021-11-01T05:32:26","guid":{"rendered":"https:\/\/www.alpapowder.com\/112862\/"},"modified":"2021-11-01T13:32:26","modified_gmt":"2021-11-01T05:32:26","slug":"ung-dung-cua-silica-trong-linh-vuc-cao-su-chat-deo-va-chat-phu","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/vi\/112862\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a silica trong l\u0129nh v\u1ef1c cao su, ch\u1ea5t d\u1ebbo v\u00e0 ch\u1ea5t ph\u1ee7"},"content":{"rendered":"

Silica \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y r\u1ed9ng r\u00e3i trong t\u1ef1 nhi\u00ean, v\u00e0 n\u00f3 l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a g\u1ed1m s\u1ee9, th\u1ee7y tinh v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m phi kim lo\u1ea1i kh\u00e1c. \u0110\u1eb7c bi\u1ec7t, silica<\/a> si\u00eau m\u1ecbn c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn, l\u1ef1c h\u1ea5p ph\u1ee5 b\u1ec1 m\u1eb7t m\u1ea1nh, n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t l\u1edbn, \u0111\u1ed9 tinh khi\u1ebft h\u00f3a h\u1ecdc cao, hi\u1ec7u su\u1ea5t ph\u00e2n t\u00e1n t\u1ed1t, b\u1ec1n nhi\u1ec7t, kh\u00e1ng \u0111i\u1ec7n, … do k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf. V\u1edbi t\u00ednh \u1ed5n \u0111\u1ecbnh cao, t\u0103ng c\u01b0\u1eddng, l\u00e0m d\u00e0y v\u00e0 d\u1ebbo, n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong cao su, ch\u1ea5t d\u1ebbo, ch\u1ea5t ph\u1ee7 v\u00e0 c\u00e1c l\u0129nh v\u1ef1c kh\u00e1c.<\/p>\n

cao su<\/strong><\/p>\n

1. \u1ee8ng d\u1ee5ng trong cao su silicone l\u01b0u h\u00f3a<\/p>\n

Cao su \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t l\u00e0 silica<\/a> b\u1ed1c kh\u00f3i, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t gia c\u01b0\u1eddng trong cao su silicone l\u01b0u h\u00f3a. V\u00ec chu\u1ed7i ph\u00e2n t\u1eed c\u1ee7a cao su silicone r\u1ea5t m\u1ec1m d\u1ebbo v\u00e0 s\u1ef1 t\u01b0\u01a1ng t\u00e1c ph\u00e2n t\u1eed gi\u1eefa c\u00e1c chu\u1ed7i r\u1ea5t y\u1ebfu n\u00ean \u0111\u1ed9 b\u1ec1n c\u1ee7a cao su kh\u00f4ng gia c\u1ed1 r\u1ea5t y\u1ebfu v\u00e0 kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb s\u1eed d\u1ee5ng. N\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c gia c\u1ed1 tr\u01b0\u1edbc khi n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n

2. \u1ee8ng d\u1ee5ng trong cao su y t\u1ebf<\/p>\n

Cao su v\u1edbi silica<\/a> b\u1ed1c kh\u00f3i l\u00e0m ch\u1ea5t gia c\u01b0\u1eddng c\u00f3 t\u00ednh ch\u1ea5t v\u1eadt l\u00fd t\u1ed1t v\u00e0 c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong \u0111i\u1ec1u tr\u1ecb y t\u1ebf. C\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a n\u00f3 li\u00ean quan \u0111\u1ebfn c\u00e1c khoa y h\u1ecdc kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 ph\u1eabu thu\u1eadt s\u1ecd n\u00e3o, tai m\u0169i h\u1ecdng, g\u00e2y m\u00ea, h\u1ec7 ti\u00eau h\u00f3a, ph\u1eabu thu\u1eadt tim v\u00e0 ph\u1eabu thu\u1eadt b\u1ee5ng. Ph\u1eabu thu\u1eadt, h\u1ec7 ti\u1ebft ni\u1ec7u v\u00e0 sinh s\u1ea3n,\u2026 \u0110\u1ed3ng th\u1eddi, g\u0103ng tay y t\u1ebf cao su v\u00f4 tr\u00f9ng v\u00e0 g\u0103ng tay kh\u00e1m b\u1ec7nh cao su d\u00f9ng m\u1ed9t l\u1ea7n, \u1ed1ng y t\u1ebf v\u00e0 \u1ed1ng th\u00f4ng cao su silicone y t\u1ebf, n\u00fat \u0111\u1eady chai y t\u1ebf v\u00e0 c\u00e1c c\u01a1 quan cao su silicone nh\u00e2n t\u1ea1o c\u0169ng l\u00e0 s\u1ea3n ph\u1ea9m cao su y t\u1ebf. L\u00e0 s\u1ea3n ph\u1ea9m cao su y t\u1ebf ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u kh\u00f4ng \u0111\u1ed9c h\u1ea1i, tr\u01a1 v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc, kh\u00f4ng g\u00e2y d\u1ecb \u1ee9ng, kh\u00f4ng g\u00e2y b\u1ec7nh, kh\u00f4ng bi\u1ebfn d\u1ea1ng, d\u1ec5 gia c\u00f4ng, ch\u1ed1ng l\u00e3o h\u00f3a t\u1ed1t. Cao su silicone v\u1ec1 c\u01a1 b\u1ea3n c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u n\u00e0y.<\/p>\n

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3. \u1ee8ng d\u1ee5ng trong cao su l\u1ed1p xe<\/p>\n

So v\u1edbi m\u00e0u \u0111en carbon, l\u1ed1p m\u00e0u xanh l\u00e1 c\u00e2y ch\u1ee9a nano silica<\/a> c\u00f3 l\u1ef1c c\u1ea3n l\u0103n th\u1ea5p v\u00e0 m\u1ee9c ti\u00eau th\u1ee5 nhi\u00ean li\u1ec7u th\u1ea5p, v\u00ec v\u1eady ch\u00fang c\u00f3 th\u1ec3 thay th\u1ebf xu h\u01b0\u1edbng l\u1ed1p \u00f4 t\u00f4 v\u00e0 xe t\u1ea3i c\u00f3 m\u00e0u \u0111en carbon. B\u00e2y gi\u1edd kh\u00e1i ni\u1ec7m v\u1ec1 l\u1ed1p xe m\u00e0u xanh l\u00e1 c\u00e2y \u0111\u00e3 xu\u1ea5t hi\u1ec7n. L\u1ed1p xanh kh\u00f4ng ch\u1ec9 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn lo\u1ea1i l\u1ed1p ti\u1ebft ki\u1ec7m nhi\u00ean li\u1ec7u, an to\u00e0n v\u00e0 c\u00f3 l\u1ef1c c\u1ea3n l\u0103n th\u1ea5p m\u00e0 c\u00f2n \u0111\u00e1p \u1ee9ng vi\u1ec7c xanh h\u00f3a nguy\u00ean li\u1ec7u v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n

\"\"<\/p>\n

4. \u1ee8ng d\u1ee5ng trong nhu c\u1ea7u thi\u1ebft y\u1ebfu h\u00e0ng ng\u00e0y<\/p>\n

Nano-silica<\/a> c\u00f3 \u0111\u1eb7c t\u00ednh gia c\u01b0\u1eddng t\u1ed1t v\u00e0 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 l\u00fd c\u1ee7a cao su. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m cao su trong gi\u00e1o d\u1ee5c v\u0103n h\u00f3a v\u00e0 th\u1ec3 thao.<\/p>\n

5. Vai tr\u00f2 trong b\u0103ng keo v\u00e0 gi\u00e0y cao su<\/p>\n

B\u0103ng keo l\u00e0 hai b\u1ed9 ph\u1eadn quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p cao su. Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a n\u00f3, c\u1ea7n n\u00e2ng cao kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u00e0 ch\u1ed1ng m\u1ecfi, v\u00ec v\u1eady c\u1ea7n ph\u1ea3i b\u1ed5 sung th\u00eam mu\u1ed9i than tr\u1eafng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u s\u1eed d\u1ee5ng.<\/p>\n

Trong gi\u00e0y cao su, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf \u0111\u1ebf gi\u00e0y, carbon \u0111en tr\u1eafng c\u00f3 th\u1ec3 thay th\u1ebf carbon \u0111en 100%, v\u00ec v\u1eady gi\u00e0y cao su l\u00e0 m\u1ed9t trong nh\u1eefng ng\u00e0nh ti\u00eau th\u1ee5 carbon \u0111en tr\u1eafng nhi\u1ec1u h\u01a1n c\u1ea3. L\u00e0 m\u1ed9t ch\u1ea5t \u0111\u1ed9n gia c\u01b0\u1eddng, carbon tr\u1eafng c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 b\u1ec1n x\u00e9 v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a \u0111\u1ebf, v\u00ec v\u1eady n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong s\u1ea3n xu\u1ea5t \u0111\u1ebf s\u00e1ng m\u00e0u, m\u00e0u m\u1edd v\u00e0 trong su\u1ed1t.<\/p>\n

nh\u1ef1a<\/strong><\/p>\n

1. \u1ee8ng d\u1ee5ng trong nh\u1ef1a nhi\u1ec7t d\u1ebbo<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng \u0111\u1ec3 l\u00e0m d\u1ebbo dai ch\u1ea5t d\u1ebbo l\u00e0 th\u00eam c\u00e1c ch\u1ea5t gi\u1ed1ng nh\u01b0 cao su v\u00e0o ma tr\u1eadn. M\u1eb7c d\u00f9 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 d\u1ebbo dai c\u1ee7a v\u1eadt li\u1ec7u, nh\u01b0ng n\u00f3 c\u0169ng l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t x\u1eed l\u00fd c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n

Nguy\u00ean t\u1eafc d\u1ebbo dai c\u1ee7a nh\u1ef1a c\u01b0\u1eddng l\u1ef1c silica<\/a> b\u1ed1c kh\u00f3i l\u00e0 s\u1ef1 d\u1ebbo dai c\u1ee7a c\u00e1c h\u1ea1t c\u1ee9ng v\u00f4 c\u01a1. Sau khi n\u00f3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o nh\u1ef1a, n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 d\u1ebbo dai c\u1ee7a v\u1eadt li\u1ec7u m\u00e0 kh\u00f4ng l\u00e0m suy y\u1ebfu \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u, v\u00e0 th\u1eadm ch\u00ed t\u0103ng \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n

2. \u1ee8ng d\u1ee5ng trong nh\u1ef1a nhi\u1ec7t r\u1eafn<\/p>\n

Th\u00eam silica<\/a> b\u1ed1c kh\u00f3i v\u00e0o nh\u1ef1a epoxy c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 gi\u00f2n c\u1ee7a n\u00f3, kh\u1eafc ph\u1ee5c c\u00e1c khuy\u1ebft t\u1eadt v\u1ec1 \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 gi\u1ea3m \u0111\u1ed9 b\u1ec1n g\u00e2y ra b\u1edfi s\u1ef1 d\u1ebbo dai c\u1ee7a ch\u1ea5t \u0111\u00e0n h\u1ed3i v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c \u0111\u00edch t\u0103ng c\u01b0\u1eddng v\u00e0 d\u1ebbo dai.<\/p>\n

3. L\u00e0 m\u1ed9t ch\u1ea5t ph\u1ee5 gia ch\u1ed1ng ch\u00e1y<\/p>\n

B\u1edfi v\u00ec silica b\u1ed1c kh\u00f3i l\u00e0m t\u0103ng \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u1edbp carbon-silicon<\/a> th\u00f4ng qua qu\u00e1 tr\u00ecnh v\u1eadt l\u00fd trong giai \u0111o\u1ea1n ng\u01b0ng t\u1ee5, n\u00f3 c\u00f3 th\u1ec3 ng\u0103n c\u1ea3n s\u1ef1 truy\u1ec1n nhi\u1ec7t v\u00e0 c\u00e1c ch\u1ea5t trong qu\u00e1 tr\u00ecnh ch\u00e1y. B\u1eb1ng c\u00e1ch th\u00eam silica<\/a> b\u1ed1c kh\u00f3i v\u00e0o h\u1ed7n h\u1ee3p EVA \/ MH v\u00e0 gi\u1ea3m t\u1ed5ng l\u01b0\u1ee3ng \u0111i\u1ec1n \u0111\u1ea7y, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t c\u00f3 th\u1ec3 t\u0103ng g\u1ea5p \u0111\u00f4i khi \u0111\u1eb7c t\u00ednh ch\u1ed1ng ch\u00e1y kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n

l\u1edbp \u00e1o<\/strong><\/p>\n

1. \u1ee8ng d\u1ee5ng trong l\u1edbp ph\u1ee7 \u0111\u00f3ng r\u1eafn nh\u1eb9<\/p>\n

L\u1edbp ph\u1ee7 b\u1ea3o d\u01b0\u1ee1ng b\u1eb1ng tia c\u1ef1c t\u00edm (UVCC) l\u00e0 l\u1edbp ph\u1ee7 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0o nh\u1eefng n\u0103m 1960. So v\u1edbi c\u00e1c l\u1edbp ph\u1ee7 truy\u1ec1n th\u1ed1ng, n\u00f3 c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh kinh t\u1ebf, th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 cao. Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 thi\u1ebft b\u1ecb v\u00e0 nguy\u00ean v\u1eadt li\u1ec7u \u0111\u1eaft h\u01a1n, \u0111\u1ed9 b\u00e1m d\u00ednh k\u00e9m, d\u1ec5 n\u1ee9t v\u1ee1.<\/p>\n

\u0110\u1ed5 nano silica<\/a> v\u00e0o l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 ch\u1eefa \u0111\u01b0\u1ee3c b\u1eb1ng tia c\u1ef1c t\u00edm c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 c\u1ee9ng c\u1ee7a l\u1edbp ph\u1ee7 sau khi \u0111\u00f3ng r\u1eafn, \u0111\u1ed3ng th\u1eddi c\u0169ng c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t. \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 \u0111\u00f3ng r\u1eafn, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a m\u00e0ng ph\u1ee7 c\u00f3 th\u1ec3 x\u1eed l\u00fd UV \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n

C\u00e1c nghi\u00ean c\u1ee9u c\u0169ng ch\u1ec9 ra r\u1eb1ng s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a nano-silica<\/a> c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n, \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u1ec1n va \u0111\u1eadp v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a l\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 ch\u1eefa \u0111\u01b0\u1ee3c b\u1eb1ng tia UV epoxy acrylate.<\/p>\n

2. \u1ee8ng d\u1ee5ng trong l\u1edbp ph\u1ee7 ki\u1ebfn \u200b\u200btr\u00fac<\/p>\n

Nano-silica<\/a> c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u qu\u1ea3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u00e0u s\u1eafc c\u1ee7a l\u1edbp ph\u1ee7 do b\u1ee9c x\u1ea1 tia c\u1ef1c t\u00edm v\u00e0 tia h\u1ed3ng ngo\u1ea1i, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00e3o h\u00f3a c\u1ee7a l\u1edbp s\u01a1n t\u01b0\u1eddng b\u00ean ngo\u00e0i. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 c\u1ee9ng, \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu th\u1eddi ti\u1ebft c\u1ee7a l\u1edbp ph\u1ee7, t\u0103ng \u0111\u1ed9 nh\u1edbt v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1eafng c\u1ee7a l\u1edbp ph\u1ee7, \u0111\u1ed3ng th\u1eddi t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a l\u1edbp ph\u1ee7.<\/p>\n

\"\"<\/p>\n

3. \u1ee8ng d\u1ee5ng trong l\u1edbp ph\u1ee7 gi\u1ea5y in phun m\u00e0u<\/p>\n

Gi\u1ea5y in phun m\u00e0u th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, \u0111\u1eb7c bi\u1ec7t nhi\u1ec1u c\u00f4ng ty l\u1edbn th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u1ec3 in t\u00e0i li\u1ec7u. Tuy nhi\u00ean, do c\u00f3 c\u00e1c vi l\u1ed7 v\u00e0 v\u1ebft n\u1ee9t tr\u00ean b\u1ec1 m\u1eb7t, n\u00ean c\u1ea7n ph\u1ea3i s\u01a1n l\u00f3t \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a lo\u1ea1i gi\u1ea5y n\u00e0y. V\u00e0 n\u1ebfu nano-silica<\/a> \u0111\u01b0\u1ee3c th\u00eam v\u00e0o s\u01a1n l\u00f3t, n\u00f3 kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 t\u00e1c d\u1ee5ng c\u1ee7a s\u01a1n l\u00f3t m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a gi\u1ea5y v\u00e0 mang l\u1ea1i hi\u1ec7u su\u1ea5t h\u1ea5p th\u1ee5 t\u1ed1t cho gi\u1ea5y.<\/p>\n

H\u01a1n n\u1eefa, n\u1ebfu nano-silica<\/a> \u0111\u01b0\u1ee3c th\u00eam v\u00e0o b\u1ed9t m\u00e0u, m\u1ed9t l\u1edbp ph\u1ee7 \u0111\u1eb7c bi\u1ec7t d\u00e0nh cho gi\u1ea5y in phun m\u00e0u k\u1ef9 thu\u1eadt s\u1ed1 v\u1edbi hi\u1ec7u su\u1ea5t t\u1ed1t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u1ea1o ra, kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0m cho l\u1edbp ph\u1ee7 ch\u1ecbu t\u1ea3i v\u1eeba ph\u1ea3i, m\u00e0 c\u00f2n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft hi\u1ec7u qu\u1ea3 v\u1ea5n \u0111\u1ec1 v\u1ec1 formaldehyde, in hi\u1ec7u qu\u1ea3 l\u00e0 t\u1ed1t, v\u00e0 v\u1eadt li\u1ec7u d\u1ec5 d\u00e0ng. V\u00e2ng, c\u00f3 th\u1ec3 n\u00f3i l\u00e0 ti\u1ebft ki\u1ec7m v\u00e0 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c.<\/p>\n

4. \u1ee8ng d\u1ee5ng trong l\u1edbp ph\u1ee7 nh\u1ef1a<\/p>\n

Nano-silica<\/a> c\u0169ng c\u00f3 th\u1ec3 c\u00f3 t\u00e1c d\u1ee5ng th\u00fac \u0111\u1ea9y t\u1ed1t c\u00e1c \u0111\u1eb7c t\u00ednh nhi\u1ec7t li\u00ean quan c\u1ee7a polyetylen, kh\u00f4ng ch\u1ec9 c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u composite m\u00e0 hi\u1ec7u su\u1ea5t ch\u1ed1ng ch\u00e1y c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3. C\u00f3 th\u1ec3 n\u00f3i, trong \u1ee9ng d\u1ee5ng c\u1ee7a l\u1edbp ph\u1ee7 nh\u1ef1a, nano-silica<\/a> ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a l\u1edbp ph\u1ee7.<\/p>\n

5. \u1ee8ng d\u1ee5ng trong l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 kim lo\u1ea1i<\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng silica<\/a> r\u1ea5t r\u1ed9ng r\u00e3i trong l\u0129nh v\u1ef1c s\u01a1n ph\u1ee7, \u0111\u1eb7c bi\u1ec7t n\u1ebfu nano silica \u0111\u01b0\u1ee3c th\u00eam v\u00e0o l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 kim lo\u1ea1i, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a l\u1edbp ph\u1ee7 c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n h\u01a1n n\u1eefa. Nhi\u1ec1u nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 th\u1eed nano-silica<\/a> v\u00e0 k\u1ebft qu\u1ea3 cho th\u1ea5y nano-silica c\u00f3 th\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 b\u1ec1n c\u1ee7a l\u1edbp carbon c\u1ee7a l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 kim lo\u1ea1i, \u0111\u1ed3ng th\u1eddi n\u00f3 c\u0169ng s\u1ebd l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng b\u1eb1ng th\u00e9p.<\/p>\n

 <\/p>\n

Ngu\u1ed3n b\u00e0i vi\u1ebft: China Powder Network<\/p>\n","protected":false},"excerpt":{"rendered":"

Silica \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y r\u1ed9ng r\u00e3i trong t\u1ef1 nhi\u00ean, v\u00e0 n\u00f3 l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a g\u1ed1m s\u1ee9, th\u1ee7y tinh v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m phi kim lo\u1ea1i kh\u00e1c. \u0110\u1eb7c bi\u1ec7t, silica si\u00eau m\u1ecbn c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ri\u00eang l\u1edbn, l\u1ef1c h\u1ea5p ph\u1ee5 b\u1ec1 m\u1eb7t m\u1ea1nh, n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t l\u1edbn, \u0111\u1ed9 tinh khi\u1ebft h\u00f3a h\u1ecdc cao, hi\u1ec7u su\u1ea5t ph\u00e2n t\u00e1n t\u1ed1t, b\u1ec1n nhi\u1ec7t, kh\u00e1ng \u0111i\u1ec7n, … do k\u00edch th\u01b0\u1edbc h\u1ea1t nh\u1ecf.<\/p>\n","protected":false},"author":6,"featured_media":112831,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[830],"tags":[],"class_list":["post-112862","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\/112862","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/comments?post=112862"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/posts\/112862\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media\/112831"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/media?parent=112862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/categories?post=112862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/vi\/wp-json\/wp\/v2\/tags?post=112862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}