Akụkọ

Enwere ọtụtụ ụdị organosilicon, n'ime nke ndị na-ahụ maka njikọta silane na ndị na-emekọrịta ihe na-adị ka nke ahụ. Ọ na-esiri ndị ka ha na organosilicon na-akpakọrịta ike ịghọta. Kedu njikọ na ọdịiche dị n'etiti ha abụọ?
onye na-ahụ maka njikọta silane
Ọ bụ ụdị ngwakọta silicon organic nke nwere ihe abụọ dị iche iche nke kemịkalụ n'ime ụmụ irighiri ya, nke a na-eji emeziwanye ike njikọ dị n'etiti polymers na ihe inorganic. Nke a nwere ike na-ezo aka ma mmelite nke ezi adhesion na nkwalite nke wettability, rheology, na ihe ndị ọzọ na-arụ ọrụ. Ngwakọta njikọ nwekwara ike inwe mmetụta na-agbanwe agbanwe na mpaghara interface iji kwalite oke oke n'etiti usoro organic na inorganic.
Ya mere, a na-eji ndị na-ejikọta silane eme ihe n'ọtụtụ ebe na ụlọ ọrụ dị ka adhesives, mkpuchi na inks, rọba, nkedo, fiberglass, cables, textiles, plastics, fillers, surface therapy, etc.

Ndị na-ahụ maka njikọta silane ndị a na-ahụkarị gụnyere:
Sulfur nwere silane: bis - [3- (triethoxysilane) - propyl] - tetrasulfide, bis - [3- (triethoxysilane) - propyl] - disulfide
Aminosilane: gamma aminopropyltriethoxysilane, N - β - (aminoethyl) - gamma aminopropyltrimethoxysilane.
Vinylsilane: Ethylenetriethoxysilane, Ethylenetriethoxysilane
Epoxy silane: 3-glycidoxypropyltrimethoxysilane

Methacryloyloxysilane: gamma methacryloyloxypropyltrimethoxysilane, gamma methacryloyloxypropyltriisopropoxysilane.

Usoro ọrụ nke onye na-ahụ maka njikọ njikọ silane:
Onye na-ahụ maka njikọta nke Silane
Silane nwere ndị ọrụ abụọ ma ọ bụ karịa silicon nwere ike rụọ ọrụ dị ka onye na-ekekọta n'etiti mkpụrụ ndụ linear, na-enye ohere ka ọtụtụ mkpụrụ ndụ linear ma ọ bụ macromolecules dị nro ma ọ bụ polymers jikọtara ma jikọta ya n'ime usoro netwọkụ nwere akụkụ atọ, na-akwalite ma ọ bụ na-agbazigharị nguzobe nke njikọ covalent ma ọ bụ ionic. n'etiti ụdọ polymer.
Ndị na-ahụ maka crosslinking bụ isi akụrụngwa nke otu akụrụngwa ụlọ okpomọkụ vulcanized rọba silicone, ma bụrụ ihe ndabere maka ịchọpụta usoro njikọ obe na nhazi aha ngwaahịa ahụ.
Dabere na ngwaahịa dị iche iche nke mmeghachi omume condensation, otu akụrụngwa ụlọ okpomọkụ vulcanized rọba silicone nwere ike nkewa n'ime ụdị dị iche iche dị ka ụdị deacidification, ụdị ketoxime, ụdị nkwekọrịta, ụdị deamination, ụdị deamidation, na ụdị deacetylation. N'ime ha, ụdị atọ mbụ bụ ngwaahịa izugbe na-emepụta n'ọtụtụ buru ibu.

Inweta methyltriacetoxysilane crosslinking agent dị ka ọmụmaatụ, n'ihi ngwaahịa mmeghachi omume condensation bụ acetic acid, a na-akpọ ya deacetylated room temperature vulcanized silicone roba.
N'ikwu okwu n'ozuzu, ndị na-emekọrịta ihe na ndị na-ejikọta silane dị iche iche, ma e nwere ihe ndị ọzọ, dị ka alpha usoro silane njikọ njikọ phenylmethyltriethoxysilane nọchitere anya ya, nke ejirila mee ihe na otu akụrụngwa dealcoholized ụlọ okpomọkụ vulcanized silicone roba.

Silane crosslinkers nkịtị gụnyere:

Silane akpọnwụwo nkụ: alkyltriethoxyl, methyltrimethoxy
Ụdị deacidification silane: triacetoxy, propyl triacetoxy silane
Ụdị ketoxime silane: Vinyl tributone oxime silane, Methyl tributone oxime silane.