{"id":2622,"date":"2024-08-08T16:20:04","date_gmt":"2024-08-08T08:20:04","guid":{"rendered":"https:\/\/rysilicone.com\/?p=2622"},"modified":"2025-04-14T13:39:19","modified_gmt":"2025-04-14T05:39:19","slug":"silicone-types-and-differences","status":"publish","type":"post","link":"https:\/\/rysilicone.com\/vi\/silicone-types-and-differences\/","title":{"rendered":"C\u00e1c lo\u1ea1i silicone v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t"},"content":{"rendered":"

\u0110\u1ec3 c\u1ea3i thi\u1ec7n \u1ee9ng d\u1ee5ng c\u1ee7a cao su silicon, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i hi\u1ec3u r\u00f5 v\u1ec1 ngu\u1ed3n g\u1ed1c, ph\u00e2n lo\u1ea1i v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a n\u00f3. Cao su c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh lo\u1ea1i t\u1ef1 nhi\u00ean v\u00e0 t\u1ed5ng h\u1ee3p.<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa cao su v\u00e0 cao su silicon<\/h2>\n\n\n\n

Cao su t\u1ef1 nhi\u00ean, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ee7 cao su, c\u00f3 ngu\u1ed3n g\u1ed1c tr\u1ef1c ti\u1ebfp t\u1eeb c\u00e2y cao su, trong khi cao su t\u1ed5ng h\u1ee3p \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch tr\u1ed9n c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau \u0111\u1ec3 thu \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c nhau, bao g\u1ed3m c\u1ea3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i v\u00e0 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ch\u1ea5t \u0111\u00e0n h\u1ed3i.<\/p>\n\n\n\n

Khi so s\u00e1nh v\u1edbi cao su t\u1ef1 nhi\u00ean, cao su silicon c\u00f3 m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m. N\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 cao l\u00ean t\u1edbi 230\u00b0C, trong khi cao su t\u1ef1 nhi\u00ean ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 l\u00ean t\u1edbi kho\u1ea3ng 80\u00b0C tr\u01b0\u1edbc khi tan ch\u1ea3y v\u00e0 ph\u00e2n h\u1ee7y.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Ngo\u00e0i ra, silicone c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y v\u01b0\u1ee3t tr\u1ed9i v\u00e0 b\u1ec1n h\u01a1n v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc, th\u1eddi ti\u1ebft v\u00e0 Ch\u1ed1ng tia c\u1ef1c t\u00edm<\/a>.<\/p>\n\n\n\n

Do \u0111\u00f3, n\u00f3 l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi. Cu\u1ed1i c\u00f9ng, b\u1ed1n lo\u1ea1i cao su silicon ch\u00ednh s\u1ebd \u0111\u01b0\u1ee3c xem x\u00e9t.<\/p>\n\n\n\n

1. L\u01b0u h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng (RTV)<\/h2>\n\n\n\n

C\u00e1c lo\u1ea1i silicon kh\u00f4ng c\u1ea7n nhi\u1ec7t \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 c\u00f3 h\u00ecnh d\u1ea1ng cu\u1ed1i c\u00f9ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 silicon \u201cl\u01b0u h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng\u201d (RTV), c\u00f3 th\u1ec3 c\u00f3 hai lo\u1ea1i: m\u1ed9t th\u00e0nh ph\u1ea7n (RTV-1) v\u00e0 hai th\u00e0nh ph\u1ea7n (RTV-2). ) c\u00f4ng th\u1ee9c.<\/p>\n\n\n\n

RTV-1 l\u00e0 s\u1ea3n ph\u1ea9m d\u00f9ng ngay, trong \u0111\u00f3 ch\u1ea5t \u1ed5n \u0111\u1ecbnh trong silicone ph\u1ea3n \u1ee9ng v\u1edbi \u0111\u1ed9 \u1ea9m c\u1ee7a kh\u00f4ng kh\u00ed, khi\u1ebfn l\u1edbp ngo\u00e0i kh\u00f4 l\u1ea1i nhanh ch\u00f3ng. Nh\u1eefng lo\u1ea1i silicon n\u00e0y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u00ec d\u1ec5 s\u1eed d\u1ee5ng, \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ed1t v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau nh\u01b0 ch\u1ea5t b\u1ecbt k\u00edn, keo li\u00ean k\u1ebft v\u00e0 l\u1edbp ph\u1ee7.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

RTV-2 l\u00e0 c\u00f4ng th\u1ee9c g\u1ed3m hai ph\u1ea7n c\u1ea7n ph\u1ea3i tr\u1ed9n tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng v\u00e0 l\u01b0u h\u00f3a nhanh h\u01a1n RTV-1. N\u00f3 c\u00f3 s\u1eb5n trong nhi\u1ec1u lo\u1ea1i s\u1ea3n ph\u1ea9m h\u01a1n v\u00e0 c\u00f3 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc tuy\u1ec7t v\u1eddi trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng. Silicon RTV-2 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng b\u1ea1ch kim \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng y\u00eau c\u1ea7u s\u1ea3n ph\u1ea9m ph\u1ee5. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh c\u1ee7a RTV-2 bao g\u1ed3m in 3D, l\u1edbp ph\u1ee7 v\u00e0 khu\u00f4n.<\/p>\n\n\n\n

2. Cao su silicon l\u1ecfng (LSR)<\/h2>\n\n\n\n

\u201cSilicone l\u1ecfng\u201d th\u01b0\u1eddng bi\u1ec3u th\u1ecb d\u1ea1ng ban \u0111\u1ea7u c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m silicon. Tr\u01b0\u1edbc \u0111\u00e2y, c\u00e1c lo\u1ea1i silicon \u0111\u01b0\u1ee3c cung c\u1ea5p \u1edf tr\u1ea1ng th\u00e1i b\u00e1n r\u1eafn, gi\u1ed1ng nh\u01b0 k\u1eb9o cao su, c\u1ea7n t\u1ea1o h\u00ecnh b\u1eb1ng khu\u00f4n \u00e9p<\/a>.<\/p>\n\n\n\n

Tuy nhi\u00ean, cao su silicon l\u1ecfng (LSR) l\u00e0 nguy\u00ean li\u1ec7u th\u00f4 g\u1ed3m hai ph\u1ea7n, \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng b\u1ea1ch kim v\u1edbi t\u00ednh l\u01b0u \u0111\u1ed9ng cao, cho ph\u00e9p ghi l\u1ea1i ch\u00ednh x\u00e1c c\u00e1c chi ti\u1ebft trong c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00fac phun ho\u1eb7c l\u1edbp ph\u1ee7 c\u1ee7a b\u1ea5t k\u1ef3 h\u00ecnh d\u1ea1ng b\u1ec1 m\u1eb7t n\u00e0o.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

H\u1ec7 th\u1ed1ng li\u00ean k\u1ebft ngang x\u1eed l\u00fd b\u1ea1ch kim c\u1ee7a LSR kh\u00f4ng t\u1ea1o ra b\u1ea5t k\u1ef3 s\u1ea3n ph\u1ea9m ph\u1ee5 n\u00e0o trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u an to\u00e0n cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u ti\u00eau chu\u1ea9n c\u1ea5p th\u1ef1c ph\u1ea9m v\u00e0 y t\u1ebf.<\/p>\n\n\n\n

LSR c\u1ea5p th\u1ef1c ph\u1ea9m l\u00e0 g\u00ec?<\/h3>\n\n\n\n

Cao su silicone l\u1ecfng c\u1ea5p th\u1ef1c ph\u1ea9m l\u00e0 v\u1eadt li\u1ec7u c\u1ef1c k\u1ef3 linh ho\u1ea1t, l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng. Kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t c\u1ee7a n\u00f3 khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi cho c\u00e1c s\u1ea3n ph\u1ea9m nh\u00e0 b\u1ebfp, bao g\u1ed3m c\u1ea3 tay c\u1ea7m b\u1eb1ng nh\u1ef1a cho \u0111\u1ed3 \u0103n v\u00e0 d\u1ee5ng c\u1ee5 n\u1ea5u \u0103n, khay \u0111\u1ef1ng \u0111\u00e1 vi\u00ean<\/a>v\u00e0 khu\u00f4n n\u01b0\u1edbng. Ngo\u00e0i ra, LSR c\u1ea5p th\u1ef1c ph\u1ea9m<\/a> r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng v\u1edbi b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p n\u00e0o ti\u1ebfp x\u00fac ho\u1eb7c ti\u1ebfp x\u00fac v\u1edbi th\u1ef1c ph\u1ea9m, nh\u1edd kh\u1ea3 n\u0103ng kh\u1eed tr\u00f9ng v\u00e0 c\u00e0i \u0111\u1eb7t n\u00e9n d\u1ec5 d\u00e0ng.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

LSR c\u1ea5p y t\u1ebf l\u00e0 g\u00ec?<\/h3>\n\n\n\n

C\u00e1c c\u00f4ng ty s\u1ea3n xu\u1ea5t trong ng\u00e0nh thi\u1ebft b\u1ecb y t\u1ebf th\u00edch s\u1eed d\u1ee5ng LSR c\u1ea5p y t\u1ebf. C\u00e1c LSR n\u00e0y cho ph\u00e9p c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u00e1p \u1ee9ng nh\u1eefng th\u00e1ch th\u1ee9c li\u00ean quan \u0111\u1ebfn vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c thi\u1ebft b\u1ecb ph\u1ee9c t\u1ea1p, c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng, gi\u1ea3m chi ph\u00ed v\u00e0 n\u00e2ng cao \u0111\u1ed9 b\u1ec1n c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n

3. Fluorosilicon<\/h2>\n\n\n\n

Fluorosilicon l\u00e0 m\u1ed9t lo\u1ea1i ph\u00e2n t\u1eed polysiloxane gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111\u1ea7y th\u00e1ch th\u1ee9c, nh\u01b0 nhi\u00ean li\u1ec7u, d\u1ea7u, d\u1ea7u kho\u00e1ng v\u00e0 dung m\u00f4i h\u1eefu c\u01a1. M\u1eb7c d\u00f9 c\u00f3 \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc g\u1ea7n gi\u1ed1ng nh\u01b0 silicon th\u00f4ng th\u01b0\u1eddng, fluorosiloxane c\u00f3 kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

Tuy nhi\u00ean, n\u00f3 k\u00e9m hi\u1ec7u qu\u1ea3 h\u01a1n trong kh\u00f4ng kh\u00ed n\u00f3ng v\u00e0 \u0111\u1eaft ti\u1ec1n h\u01a1n. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 \u00f4 t\u00f4, n\u01a1i c\u1ea7n quan t\u00e2m \u0111\u1ebfn vi\u1ec7c ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

4. Cao su c\u00f3 \u0111\u1ed9 \u0111\u1eb7c cao (HCR)<\/h2>\n\n\n\n

\u201cSilicone r\u1eafn\u201d ho\u1eb7c \u201ck\u1eb9o cao su\u201d l\u00e0 t\u00ean g\u1ecdi kh\u00e1c c\u1ee7a Cao su silicon c\u00f3 \u0111\u1ed9 \u0111\u1eb7c cao (HCR), \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb c\u00e1c chu\u1ed7i polysiloxane c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao. HCR c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng b\u1eb1ng nhi\u1ec1u lo\u1ea1i ch\u1ea5t \u0111\u1ed9n \u0111\u1ec3 c\u1ea3i thi\u1ec7n c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee5 th\u1ec3 nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 \u0111\u1ed9 c\u1ee9ng. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c x\u1eed l\u00fd peroxide ho\u1eb7c ch\u1ea5t x\u00fac t\u00e1c b\u1ea1ch kim. T\u00f9y ch\u1ecdn ch\u1ea5t x\u00fac t\u00e1c b\u1ea1ch kim kh\u00f4ng t\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 h\u00f3a h\u1ecdc trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn.<\/p>\n\n\n\n

HCR \u0111\u01b0\u1ee3c cung c\u1ea5p \u1edf d\u1ea1ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn nh\u01b0 thanh, h\u00ecnh tr\u1ee5 v\u00e0 \u1ed1ng \u0111\u1ec3 x\u1eed l\u00fd ti\u1ebfp. V\u1eadt li\u1ec7u n\u00e0y l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb y t\u1ebf c\u1ea5y gh\u00e9p l\u00e2u d\u00e0i, linh ki\u1ec7n \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4 v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng gia d\u1ee5ng kh\u00e1c nhau.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

B\u1ea3n t\u00f3m t\u1eaft<\/h2>\n\n\n\n

Silicones l\u00e0 c\u00e1c polyme \u0111\u00e0n h\u1ed3i phi h\u1eefu c\u01a1 c\u00f3 nhi\u1ec1u \u0111\u1eb7c t\u00ednh, khi\u1ebfn ch\u00fang c\u00f3 th\u1ec3 th\u00edch \u1ee9ng v\u1edbi nhi\u1ec1u d\u1ea1ng v\u00e0 \u1ee9ng d\u1ee5ng kh\u00e1c nhau. M\u1eb7c d\u00f9 silicone l\u00e0 m\u1ed9t lo\u1ea1i cao su c\u00f3 c\u00e1c nguy\u00ean t\u1eed silicon v\u00e0 oxy xen k\u1ebd, nh\u01b0ng n\u00f3 mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n \u1edf nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t v\u00e0 ph\u1ea1m vi t\u00ednh ch\u1ea5t r\u1ed9ng h\u01a1n so v\u1edbi cao su t\u1ef1 nhi\u00ean. Ch\u1ea5t b\u1ecbt k\u00edn cao su l\u1ecfng c\u00f3 th\u1ec3 l\u00e0m t\u1eeb silicone ho\u1eb7c d\u1ef1a tr\u00ean c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c, trong khi cao su silicon l\u1ecfng (LSR) lu\u00f4n l\u00e0 silicone v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng \u00e9p phun, li\u00ean k\u1ebft v\u00e0 b\u1ecbt k\u00edn.<\/p>\n\n\n\n

Quy tr\u00ecnh s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i silicone kh\u00e1c nhau l\u00e0 kh\u00e1c nhau, b\u1ea1n c\u00f3 th\u1ec3 nh\u1ea5p v\u00e0o \u0111\u00e2y \u0111\u1ec3 t\u00ecm hi\u1ec3u th\u00eam. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t silicon<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

To improve the application of silicone rubber, it is essential to have a good understanding of its sources, classification, and properties. Rubber can be classified into natural and synthetic types. The Difference Between Rubber and Silicone Rubber Natural rubber, also known as latex, is derived directly from the rubber tree, while synthetic rubber is created […]<\/p>\n","protected":false},"author":1,"featured_media":2623,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[246],"tags":[],"class_list":["post-2622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silicone"],"_links":{"self":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/2622","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/comments?post=2622"}],"version-history":[{"count":0,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/posts\/2622\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/media\/2623"}],"wp:attachment":[{"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/media?parent=2622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/categories?post=2622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rysilicone.com\/vi\/wp-json\/wp\/v2\/tags?post=2622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}