1. Gịnị bụ vinyl silicone mmanụ?
Aha kemịkal: mmanụ silicone vinyl nwere mkpuchi okpukpu abụọ
Isi ihe nhazi ya bụ na akụkụ nke otu methyl (M) na polydimethylsiloxane bụ vinyl (Vi) nọchiri anya ya, na-eme ka e guzobe polymethylvinylsiloxane reactive. Vinyl silicone mmanụ na-egosipụta ụdị anụ ahụ nke mmiri mmiri n'ihi nhazi kemịkalụ ya pụrụ iche.
A na-ekewa mmanụ silicone nke vinyl ụzọ abụọ: njedebe vinyl silicone mmanụ na mmanụ silicone vinyl dị elu. N'ime ha, ọnụ mmanụ silicone vinyl na-agụnyekarị vinyl polydimethylsiloxane (Vi-PDMS) na ọnụ vinyl polymethylvinylsiloxane (Vi-PMVS). N'ihi ọdịnaya vinyl dị iche iche, ọ nwere njirimara ngwa dị iche iche.
Usoro mmeghachi omume nke mmanụ silicone vinyl yiri nke dimethicone, mana n'ihi otu vinyl na nhazi ya, ọ nwere mmeghachi omume dị elu. N'ime usoro ịkwadebe mmanụ silicone vinyl, a na-ejikarị usoro mmeghachi omume nha anya na-emepe mgbanaka. Usoro a na-eji octamethylcyclotetrasiloxane na tetramethyltetravinylcyclotetrasiloxane dị ka akụrụngwa, na-etolite a yinye Ọdịdị na dị iche iche degrees nke polymerization site mgbanaka-emeghe mmeghachi omume catalyzed site acid ma ọ bụ alkali.
2. Njirimara arụmọrụ nke mmanụ silicone vinyl
1. Ndị na-adịghị egbu egbu, enweghị ụtọ, enweghị ihe adịghị arụ ọrụ
Mmanụ silicone nke vinyl bụ mmiri na-enweghị agba ma ọ bụ na-acha odo odo, mmiri na-apụtaghị ìhè nke na-adịghị egbu egbu, na-esighị ike, na enweghị arụrụ arụ ọrụ. Mmanụ a bụ ihe a na-adịghị ahụkebe na mmiri, mana ọ nwere ike ịmegharị ya na benzene, dimethyl ether, methyl ethyl ketone, tetrachlorocarbon ma ọ bụ kerosene, yana ntakịrị soluble na acetone na ethanol.
2. Nrụgide ikuku pere mpe, ebe ọkụ ọkụ dị elu na ebe mgbanye ọkụ, ebe na-ekpo ọkụ dị ala
Ngwongwo ndị a na-eme ka mmiri mmiri silicone vinyl kwụsie ike na nke na-adịghị agbanwe agbanwe na okpomọkụ dị elu ma ọ bụ gburugburu pụrụ iche, si otú a na-eme ka ogologo ndụ ha dị ogologo na ngwa dị iche iche.
3. Ike reactivity
Silicone vinyl nwere mkpuchi okpukpu abụọ nwere vinyl na nsọtụ abụọ, nke na-eme ka ọ na-emeghachi omume nke ukwuu. N'okpuru ọrụ nke ihe mmetụta, mmanụ silicone vinyl nwere ike meghachi omume na kemịkalụ nwere otu hydrogen na-arụ ọrụ na otu ndị ọzọ na-arụ ọrụ iji kwadebe ngwaahịa silicon dị iche iche nwere ihe pụrụ iche. N'oge mmeghachi omume ahụ, mmanụ silicone vinyl adịghị ahapụ ihe ndị ọzọ dị ala dị arọ ma nwee obere nrụrụ mmeghachi omume, nke na-eme ka ọ dị irè na ụlọ ọrụ kemịkalụ.
4. Ntugharị mara mma, nro, nchapụta, okpomọkụ na ihu igwe na-eguzogide
Ihe ndị a na-eme ka mmiri mmiri silicone vinyl nwere ọtụtụ ngwa na ngbanwe nke plastik, resins, paints, coatings, wdg N'otu oge ahụ, a pụkwara iji ya mee ihe dị ka ihe bụ isi akụrụngwa na mmepụta nke elu okpomọkụ vulcanized silicone. roba (HTV) iji welie ike na ike nke silicone roba. N'imepụta rọba silicone mmiri mmiri, mmanụ silicone vinyl bụkwa ihe bụ isi akụrụngwa maka ịkpụzi roba silicone, gluu eletrọnịkị, na rọba na-ekpo ọkụ.
3. Ngwa nke vinyl silicone mmanụ
1. Ihe ndabere nke rọba silicone vulcanized okpomọkụ (HTV):
A na-agwakọta mmanụ silicone vinyl na crosslinkers, ndị na-agba ume, ndị na-agba agba, ndị na-ahụ maka ihe nhazi, ihe mgbochi ịka nká, wdg, a na-ejikwa ya na-akwadebe nnukwu okpomọkụ vulcanized silicone roba raw roba. Igwe rọba silicone a nwere ezigbo nkwụsi ike na ịdịte aka na gburugburu ebe okpomọkụ dị elu, a na-ejikwa ya n'ọtụtụ oge n'oge dị iche iche nke chọrọ nguzogide okpomọkụ dị elu na nkwụsị corrosion.
2. Isi ihe nke mmiri mmiri silicone roba:
Enwere ike iji mmanụ silicone nke vinyl jikọtara ya na crosslinkers nwere hydrogen, platinum catalysts, inhibitors, wdg, iji kwadebe roba silicone ihe mgbakwunye mmiri mmiri. Nke a silicone roba nwere ezigbo fluidity, formability na elasticity, a na-ejikarị na ụlọ ọrụ silicone, textiles, ihe nkiri nchebe na ubi ndị ọzọ.
3. Nkwadebe nke ihe ọhụrụ:
Vinyl silicone mmanụ na-emeghachi omume na ihe dị iche iche nke organic dị ka polyurethane na acrylic acid iji kwadebe ihe ọhụrụ na arụmọrụ ka mma. Ihe ọhụrụ ndị a nwere njirimara nke nguzogide ihu igwe, nguzogide ịka nká, nguzogide ultraviolet, na nkwalite siri ike, a na-ejikwa ya n'ọtụtụ ebe na mkpuchi, adhesives, ihe mkpuchi na mpaghara ndị ọzọ.
4. Ngwa na ngalaba nke eletrọnịkị:
A na-eji mmanụ silicone vinyl eme ihe n'ọtụtụ ebe na nrapado eletrọnịkị, adhesives thermally conductive, LED lamp adhesives, LED packing and electronic components potting. Ọ na-enye ọrụ mkpuchi zuru oke iji kpuchido ngwa elektrọnik na ihe ndị nwere mmetụta dị oke egwu site na mmetọ ma ọ bụ mmegharị nke mpụga, na-ahụ nkwụsi ike na ntụkwasị obi nke ngwaọrụ eletrọnịkị.
5. Isi akụrụngwa nke ihe ntọhapụ:
Onye ntọhapụ na-ekere òkè n'ịgbochi adhesion na mmepụta mmepụta ihe, nke na-enye aka n'ịtọhapụ ngwaahịa na-eme ka ọ dịkwuo mma.
4. Vinyl silicone mmanụ ahịa mmepe na-emekarị
1.Mbawanye nke ubi ngwa
A na-eji mmiri mmiri silicone vinyl naanị na kemịkalụ ọdịnala, ọgwụ, eletrọnịkị na mpaghara ndị ọzọ, mana ọ na-arụkwa ọrụ dị mkpa na ihe ịchọ mma na ngwaahịa nlekọta onwe onye, mmanụ mmanu, ihe na-ebu mmanụ, ihe mkpuchi, ink, plastik na roba. Karịsịa na ihe ịchọ mma, a na-eji mmanụ silicone vinyl na-emepụta ncha, shampoos, moisturizers, lotions, conditioners na ngwaahịa ndị ọzọ n'ihi oke mmanu na ikike ya.
2.New arụ ọrụ vinyl silicone mmanụ
Ndị na-emepụta ihe nwere ike ịmepụta ọtụtụ mmiri silicone vinyl na-arụ ọrụ site n'ịga n'ihu na-emezi usoro ahụ ma na-eme ka usoro mmepụta ahụ dịkwuo mma iji meziwanye viscosity, fluidity, nkwụsi ike na ihe ndị ọzọ nke mmanụ silicone vinyl. Dị ka ọkụ-ọgwụgwọ, cationic-curing, biocompatible, wdg, dabara maka ngwa ngwa dị ukwuu.
3.Vinyl silicone mmanụ akwụkwọ ndụ akwụkwọ ndụ nkwadebe
Site na nkwalite mmata gburugburu ebe obibi, mmepe nke usoro ọhụrụ enyi na gburugburu ebe obibi maka nkwadebe akwụkwọ ndụ akwụkwọ ndụ nke mmanụ silicone vinyl, dị ka iji monomers biodegradable, ihe na-akpali akpali siri ike, mmiri mmiri ion, wdg, iji belata ojiji nke ihe mgbaze na-egbu egbu na site- ngwaahịa, ma nweta mmepe na-adigide.
4.Nano vinyl silicone mmanụ ihe
Kere na njikọ nke vinyl silicone mmanụ ihe na pụrụ iche nanostructures, dị ka vinyl silicone mmanụ nanoparticles, nanofibers na molekụla brushes, wdg, inye ihe ndị na pụrụ iche elu mmetụta na interface Njirimara, na-emeghe ọhụrụ ngwa ubi.
5.Nkwakọ ngwaahịa, nchekwa na njem
Ngwaahịa a bụ ihe na-arụ ọrụ nke kemịkalụ, a gaghị ejikọta ya na ihe ndị na-adịghị ọcha (karịsịa ihe na-akpali akpali) n'oge nchekwa na njem, na ekwesịrị izere ya na kọntaktị na ihe nwere ike ịkpalite mmeghachi omume kemịkal ya, dị ka acid, alkalis, oxidants, wdg. iji gbochie denaturation, na-echekwara na oyi na akọrọ ebe. Ngwaahịa a bụ ngwaahịa na-adịghị ize ndụ ma nwee ike ibuga dịka ọnọdụ nke ngwaahịa nkịtị si dị.
Oge nzipu: Jul-05-2024