Silane coupling agents yog ib hom organic silicon tebchaw uas muaj ob yam tshuaj sib txawv hauv cov molecule, siv los txhim kho lub zog sib txuas ntawm cov polymers thiab cov ntaub ntawv inorganic. Qhov no tuaj yeem hais txog qhov nce ntawm qhov tseeb adhesion, nrog rau kev txhim kho hauv kev ntub dej, rheological zog, thiab lwm yam kev ua haujlwm. Cov neeg sawv cev sib txuas kuj tseem tuaj yeem hloov kho qhov cuam tshuam ntawm thaj chaw cuam tshuam los txhim kho cov ciam teb ntawm cov txheej txheem organic thiab inorganic.
Yog li ntawd,silane coupling tus neeg sawv cevyog dav siv nyob rau hauv kev lag luam xws li adhesives, coatings thiab inks, roj hmab, casting, fiberglass, cables, textiles, plastics, fillers, thiab nto kho mob.
Nws cov khoom classic tuaj yeem sawv cev los ntawm cov qauv dav dav XSiR3, qhov twg X yog pawg tsis muaj hydrolytic, suav nrog alkenyl pawg (tsuas yog Vi) thiab pawg hydrocarbon nrog cov pab pawg ua haujlwm xws li CI thiab NH2 thaum kawg, piv txwv li cov pa roj carbon monoxide; R yog ib pawg hydrolyzable, suav nrog OMe, OEt, thiab lwm yam.
Cov pab pawg ua haujlwm nqa hauv X yog nquag ua haujlwm nrog pawg ua haujlwm hauv cov organic polymers, xws li OH, NH2, COOH, thiab lwm yam, yog li txuas silane thiab organic polymers; Thaum cov pab pawg ua haujlwm yog hydrolyzed, Si-R hloov mus rau Si-OH thiab cov khoom lag luam xws li MeOH, EtOH, thiab lwm yam. Si OH tuaj yeem ua rau lub cev qhuav dej thiab lub cev qhuav dej nrog Si OH hauv lwm cov molecules lossis Si OH ntawm qhov chaw kho mob los tsim Si O-Si daim ntawv cog lus, thiab txawm tias hnov mob nrog qee cov oxides los tsim Si O daim ntawv cog lus ruaj khov, ciasilane ualos txuas nrog cov ntaub ntawv inorganic lossis hlau.
Feem ntausilane coupling tus neeg sawv cevsuav nrog:
Sulfur-muaj silane: bis - [3- (triethoxysilicon) propyl] - tetrasulfide, bis - [3- (triethoxysilicon) propyl] - disulfide
Aminosilane: y-aminopropyltriethoxysilane, NB - (aminoethyl) - v-aminopropyltrimethoxysilane
Vinylsilane: Vinyltriethoxysilane, Vinyltrimethoxysilane
Epoxysilane: 3-glycidyl ether oxypropyltrimethoxysilane
Methacryloxysilane: y methacryloxypropyltrimethoxysilane, v methacryloxypropyltrimethoxysilane
Post lub sij hawm: Aug-23-2023