{"id":8903,"date":"2026-07-16T14:03:28","date_gmt":"2026-07-16T06:03:28","guid":{"rendered":"https:\/\/rysilicone.com\/?p=8903"},"modified":"2026-07-16T14:05:51","modified_gmt":"2026-07-16T06:05:51","slug":"what-is-silicone-vulcanization","status":"publish","type":"post","link":"https:\/\/rysilicone.com\/vi\/what-is-silicone-vulcanization\/","title":{"rendered":"Qu\u00e1 tr\u00ecnh l\u01b0u h\u00f3a silicon l\u00e0 g\u00ec? C\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u01b0u h\u00f3a, ti\u00eau chu\u1ea9n v\u00e0 c\u00e1ch l\u1ef1a ch\u1ecdn."},"content":{"rendered":"

H\u1ea7u h\u1ebft c\u00e1c gi\u1ea3i th\u00edch v\u1ec1 "l\u01b0u h\u00f3a l\u00e0 g\u00ec" ch\u1ec9 d\u1eebng l\u1ea1i \u1edf ki\u1ebfn th\u1ee9c h\u00f3a h\u1ecdc trong s\u00e1ch gi\u00e1o khoa v\u00e0 kh\u00f4ng bao gi\u1edd cho b\u1ea1n bi\u1ebft n\u00f3 thay \u0111\u1ed5i nh\u01b0 th\u1ebf n\u00e0o tr\u00ean d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t ho\u1eb7c trong chi ph\u00ed \u0111\u01a1n v\u1ecb s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n. Kho\u1ea3ng tr\u1ed1ng \u0111\u00f3 ch\u00ednh l\u00e0 n\u01a1i m\u00e0 ng\u01b0\u1eddi mua c\u1ea7n quan t\u00e2m. ch\u1ecdn h\u1ec7 th\u1ed1ng x\u1eed l\u00fd sai<\/a> v\u00e0 ph\u1ea3i tr\u1ea3 gi\u00e1 v\u1ec1 sau b\u1eb1ng nh\u1eefng khi\u1ebfu n\u1ea1i v\u1ec1 m\u00f9i, s\u1ef1 thay \u0111\u1ed5i dung sai ho\u1eb7c m\u1ed9t b\u00e0i ki\u1ec3m tra tu\u00e2n th\u1ee7 kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n\n\n\n

Qu\u00e1 tr\u00ecnh l\u01b0u h\u00f3a (\u0111\u00f3ng r\u1eafn) silicon t\u1ea1o ra c\u00e1c li\u00ean k\u1ebft ch\u00e9o gi\u1eefa c\u00e1c chu\u1ed7i polymer silicon \u2014 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t b\u1edfi ch\u1ea5t \u0111\u00f3ng r\u1eafn c\u1ed9ng v\u1edbi nhi\u1ec7t, \u0111\u1ed9 \u1ea9m ho\u1eb7c tia UV\/tia \u0111i\u1ec7n t\u1eed \u2014 bi\u1ebfn silicon m\u1ec1m, ch\u01b0a \u0111\u00f3ng r\u1eafn th\u00e0nh m\u1ed9t ch\u1ea5t \u0111\u00e0n h\u1ed3i \u1ed5n \u0111\u1ecbnh v\u1edbi h\u00ecnh d\u1ea1ng, \u0111\u1ed9 \u0111\u00e0n h\u1ed3i v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ed1 \u0111\u1ecbnh (-40\u00b0C \u0111\u1ebfn 230\u00b0C).<\/strong> H\u1ec7 th\u1ed1ng \u0111\u00f3ng r\u1eafn b\u1ea1n ch\u1ecdn (b\u1ea1ch kim so v\u1edbi peroxit) quy\u1ebft \u0111\u1ecbnh m\u00f9i, s\u1ef1 ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n an to\u00e0n th\u1ef1c ph\u1ea9m\/y t\u1ebf v\u00e0 chi ph\u00ed nhi\u1ec1u h\u01a1n so v\u1edbi lo\u1ea1i polymer c\u01a1 b\u1ea3n.<\/p>\n\n\n\n

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Ba ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o d\u01b0\u1ee1ng v\u00e0 th\u1eddi \u0111i\u1ec3m s\u1eed d\u1ee5ng t\u1eebng ph\u01b0\u01a1ng ph\u00e1p.<\/h2>\n\n\n\n

Qu\u00e1 tr\u00ecnh l\u01b0u h\u00f3a \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi c\u00e1ch th\u1ee9c ph\u1ea3n \u1ee9ng li\u00ean k\u1ebft ngang \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t. Ba ph\u01b0\u01a1ng ph\u00e1p bao g\u1ed3m h\u1ea7u h\u1ebft m\u1ecdi th\u1ee9 ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n:<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p<\/th>C\u00f2 s\u00fang<\/th>S\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng<\/th>Ghi ch\u00fa<\/th><\/tr><\/thead>
L\u00e0m kh\u00f4 b\u1eb1ng nhi\u1ec7t (n\u00e9n\/phun)<\/td>Nhi\u1ec7t + \u00e1p su\u1ea5t trong khu\u00f4n<\/td>C\u00e1c b\u1ed9 ph\u1eadn \u0111\u00fac HTV, \u00e9p phun LSR<\/td>N\u0103ng su\u1ea5t v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao nh\u1ea5t; c\u1ea7n c\u00f3 d\u1ee5ng c\u1ee5 h\u1ed7 tr\u1ee3.<\/td><\/tr>
RTV (l\u01b0u h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng)<\/td>\u0110\u1ed9 \u1ea9m (1 ph\u1ea7n) ho\u1eb7c h\u1ed7n h\u1ee3p ch\u1ea5t x\u00fac t\u00e1c (2 ph\u1ea7n)<\/td>Ch\u1ea5t tr\u00e1m k\u00edn, ch\u1ea5t k\u1ebft d\u00ednh, khu\u00f4n \u0111\u00fac s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf<\/td>Kh\u00f4ng c\u1ea7n gia nhi\u1ec7t d\u1ee5ng c\u1ee5; qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn di\u1ec5n ra ch\u1eadm h\u01a1n.<\/td><\/tr>
Ch\u1eefa tr\u1ecb b\u1eb1ng b\u1ee9c x\u1ea1<\/td>Tia c\u1ef1c t\u00edm ho\u1eb7c tia \u0111i\u1ec7n t\u1eed<\/td>L\u1edbp ph\u1ee7 m\u1ecfng, m\u00e0ng<\/td>Nhanh, nhi\u1ec7t \u0111\u1ed9 th\u1ea5p; ch\u1ec9 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ph\u1ea7n m\u1ecfng.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0110\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m silicon \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t, HTV v\u00e0 LSR \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t<\/a> \u0110\u00f3 l\u00e0 nh\u1eefng g\u00ec ch\u00fang t\u00f4i s\u1ea3n xu\u1ea5t v\u1edbi s\u1ed1 l\u01b0\u1ee3ng l\u1edbn. RTV ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ea5t b\u1ecbt k\u00edn\/ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o m\u1eabu th\u1eed, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac khu\u00f4n s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t.<\/p>\n\n\n\n

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Ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u tr\u1ecb b\u1eb1ng b\u1ea1ch kim so v\u1edbi peroxide: Quy\u1ebft \u0111\u1ecbnh th\u1ef1c s\u1ef1 quan tr\u1ecdng<\/h2>\n\n\n\n

Lo\u1ea1i silicone n\u1ec1n kh\u00f4ng quan tr\u1ecdng b\u1eb1ng h\u1ec7 th\u1ed1ng \u0111\u00f3ng r\u1eafn. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn quy\u1ebft \u0111\u1ecbnh m\u00f9i, s\u1ef1 ph\u00f9 h\u1ee3p v\u00e0 chi ph\u00ed.<\/p>\n\n\n\n

<\/th>Ch\u1eefa tr\u1ecb b\u1eb1ng b\u1ea1ch kim (th\u00eam)<\/th>Ch\u1eefa tr\u1ecb b\u1eb1ng peroxide<\/th><\/tr><\/thead>
M\u00f9i\/s\u1ea3n ph\u1ea9m ph\u1ee5<\/td>Kh\u00f4ng m\u00f9i, kh\u00f4ng m\u00f9i<\/td>M\u00f9i nh\u1eb9; c\u1ea7n x\u1eed l\u00fd sau \u0111\u1ec3 lo\u1ea1i b\u1ecf.<\/td><\/tr>
\u0110\u1ed9 trong su\u1ed1t \/ ng\u1ea3 v\u00e0ng<\/td>\u0110\u1ed9 trong su\u1ed1t cao, \u00edt b\u1ecb \u1ed1 v\u00e0ng.<\/td>\u0110\u1ed9 r\u00f5 trung b\u00ecnh<\/td><\/tr>
Ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n tu\u00e2n th\u1ee7<\/td>Ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m & y t\u1ebf (n\u00fam v\u00fa gi\u1ea3<\/a>, \u1ed1ng d\u1eabn, c\u1ed1c nguy\u1ec7t san<\/a>)<\/td>Gio\u0103ng c\u00f4ng nghi\u1ec7p, v\u00f2ng \u0111\u1ec7m th\u00f4ng d\u1ee5ng<\/td><\/tr>
Tr\u1ecb gi\u00e1<\/td>Cao h\u01a1n (ch\u1ea5t x\u00fac t\u00e1c b\u1ea1ch kim)<\/td>Gi\u00e1 th\u00e0nh th\u1ea5p h\u01a1n, hi\u1ec7u su\u1ea5t chi ph\u00ed t\u1ed1t nh\u1ea5t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

N\u1ebfu b\u1ed9 ph\u1eadn \u0111\u00f3 ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m, da ho\u1eb7c c\u01a1 th\u1ec3, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng b\u1ea1ch kim \u2014 kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o t\u1eaft. C\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng peroxide d\u00e0nh cho c\u00e1c v\u00f9ng nh\u1ea1y c\u1ea3m ph\u1ea3i tr\u1ea3i qua quy tr\u00ecnh x\u1eed l\u00fd kh\u00e1c. sau khi b\u1ea3o d\u01b0\u1ee1ng<\/a> (v\u00ed d\u1ee5: 200\u00b0C trong kho\u1ea3ng 4 gi\u1edd)<\/strong> nh\u1eb1m lo\u1ea1i b\u1ecf c\u00e1c kho\u1ea3n t\u1ed3n d\u01b0, \u0111i\u1ec1u n\u00e0y l\u00e0m t\u0103ng th\u00eam th\u1eddi gian v\u00e0 chi ph\u00ed.<\/p>\n\n\n\n

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Qu\u00e1 tr\u00ecnh l\u01b0u h\u00f3a silicon l\u00e0m thay \u0111\u1ed5i \u0111i\u1ec1u g\u00ec v\u1ec1 v\u1eadt li\u1ec7u?<\/h2>\n\n\n\n

Qu\u00e1 tr\u00ecnh li\u00ean k\u1ebft ch\u00e9o l\u00e0 y\u1ebfu t\u1ed1 gi\u00fap silicone c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c nh\u01b0 m\u1ed9t s\u1ea3n ph\u1ea9m ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 d\u1ea1ng b\u1ed9t nh\u00e3o. Tr\u00ean th\u1ef1c t\u1ebf, n\u00f3 s\u1ebd \u0111\u00f4ng c\u1ee9ng:<\/p>\n\n\n\n