E tele ituaiga o organosilicon, o loʻo i ai faʻatasi ai ma sui faʻapipiʻi silane ma sui faʻafesoʻotaʻi e tutusa lelei. E masani lava ona faigata mo i latou na faatoa oʻo mai i le faʻafesoʻotaʻi ma le organosilicon ona malamalama. O le a le sootaga ma le eseesega i le va o ia mea e lua?
silane so'o fa'atasi
O se ituaiga o mea faʻapipiʻi silicon organic lea e aofia ai ni vailaʻau eseese e lua i totonu o ona mole, faʻaaogaina e faʻaleleia ai le malosi faʻapipiʻi i le va o polymers ma mea e le faʻaogaina. E mafai ona faasino i le faaleleia o le pipii moni ma le faaleleia o le susu, rheology, ma isi meatotino faagaoioia. E mafai fo'i ona iai se suiga o mea fa'apipi'i i le itu fa'afeso'ota'i e fa'aleleia atili ai le fa'agata i le va o la'au fa'aola ma mea e le fa'aogaina.
O le mea lea, o loʻo faʻaaogaina faʻapipiʻi silane i pisinisi e pei o faʻapipiʻi, paʻu ma vaitusi, paʻu, lafo, fiberglass, cable, textiles, plastics, fillers, treatment surface, etc.
O so'o fa'afeso'ota'i silane masani e aofia ai:
Sulfur e iai le silane: bis – [3- (triethoxysilane) - propyl] – tetrasulfide, bis – [3- (triethoxysilane) - propyl] – disulfide
Aminosilane: gamma aminopropyltriethoxysilane, N – β – (aminoethyl) – gamma aminopropyltrimethoxysilane
Vinylsilane: Ethylenetriethoxysilane, Ethylenetrimethoxysilane
Epoxy silane: 3-glycidoxypropyltrimethoxysilane
Methacryloyloxysilane: gamma methacryloyloxypropyltrimethoxysilane, gamma methacryloyloxypropyltriisopropoxysilane
Le faiga o le gaioiga a le silane soʻotaga sui:
Silane crosslinking agent
Silane o loʻo i ai le lua pe sili atu vaega faʻaogaina o le silicon e mafai ona galue e fai ma sui faʻafesoʻotaʻi i le va o mole mole laina, faʻatagaina le tele o molelaʻau laina poʻo macromolecules laʻititi laʻititi poʻo polymers e faʻapipiʻi ma faʻafesoʻotaʻi i totonu o se fausaga fesoʻotaʻiga tolu-dimensional, faʻalauiloaina poʻo le faʻasalalauina o le faʻavaeina o le covalent poʻo le ionic bonds. i le va o filifili polymer.
Crosslinking sui o le vaega autu o le tasi vaega potu vevela vulcanized pa'u silicone, ma o le faavae mo le fuafuaina o le faiga crosslinking ma le faavasegaina igoa o le oloa.
E tusa ai ma oloa eseese o le condensation tali, tasi vaega potu vevela vulcanized silicone paʻu e mafai ona faavasegaina i ituaiga eseese e pei o deacidification ituaiga, ketoxime ituaiga, dealcoholization ituaiga, deamination ituaiga, deamidation ituaiga, ma deacetylation ituaiga. Faatasi ai ma i latou, o ituaiga muamua e tolu o oloa lautele e gaosia i luga o se fua tele.
Ave methyltriacetoxysilane crosslinking sui e fai ma faʻataʻitaʻiga, ona o le condensation reaction product o le acetic acid, ua taʻua o le deacetylated room temperature vulcanized silicone rubber.
I le tulaga lautele, crosslinking sooupu ma sui soosootauau silane e eseese, ae o loo i ai tuusaunoaga, e pei o le alpha faasologa silane soofaatasi sui sui e phenylmethyltriethoxysilane, lea ua faaaogaina lautele i vaega tasi dealcoholized vevela potu vulcanized pa'u silicone.
Silane crosslinkers masani e aofia ai:
Silane fa'amama: alkyltriethoxyl, methyltrimethoxy
Deacidification ituaiga silane: triacetoxy, propyl triacetoxy silane
Ketoxime type silane: Vinyl tributone oxime silane, Methyl tributone oxime silane
Taimi meli: Iul-15-2024