VAE (Vinyl Acetate)

Vinyl acetate (VAE), kiimiko ahaan loo yaqaan CH3COOCH=CH2, waa monomer muhiim ah oo loo isticmaalo soo saarista polymers kala duwan, gaar ahaan vinyl acetate-ethylene (VAE) copolymers. Halkan waxaa ah dulmar guud oo ku saabsan vinyl acetate iyo muhiimada ay leedahay:

1. Qalabka wax soo saarka polymer-ka:

• Vinyl acetate waa dareere aan midab lahayn oo leh ur xun. Waa monomer muhiim ah oo loo isticmaalo isku dhafka polymers kala duwan, oo ay ku jiraan polyvinyl acetate (PVA), vinyl acetate-ethylene (VAE) copolymers, iyo vinyl acetate-vinyl versatate (VAV) copolymers.

2. Vinyl Acetate-Ethylene (VAE) Copolymers:

• Copolymers-ka VAE waxaa lagu soo saaraa kobolymerization vinyl acetate oo leh ethylene iyadoo ay joogaan bilawye polymerization iyo waxyaabo kale oo lagu daro. Copolymers-yadani waxay muujinayaan dabacsanaan, ku dheggan, iyo caabbinta biyaha marka la barbar dhigo polyvinyl acetate saafi ah.

3. Codsiyada:

• Copolymers VAE waxay ka helaan adeegsi badan warshado kala duwan, oo ay ku jiraan xabag, dahaarka, rinjiyada, qalabka dhismaha, dunta, iyo dahaarka waraaqaha.
• Codsiyada xabagta, VAE copolymers waxay bixiyaan ku dhejis heersare ah oo badan oo ka samaysan substrates, taasoo ka dhigaysa inay ku habboon yihiin isticmaalka xabagta alwaaxyada, xabagta waraaqaha, iyo xabagta xasaasiga ah ee cadaadiska.
• Dahaarka iyo rinjiyada, VAE copolymers waxay u adeegaan sidii xidhiyaal, iyagoo siinaya sifooyin filim samaynta, adkeysi, iyo iska caabin biyaha. Waxaa loo isticmaalaa daaha-dhismaha, rinjiga qurxinta, iyo dahaarka warshadaha.
• Qalabka dhismaha, VAE copolymers waxaa loo isticmaalaa wax lagu daro hoobiyeyaasha, xabagta tile, grouts, iyo sealant si loo hagaajiyo ku dheggan, dabacsanaanta, iyo caabbinta biyaha.

4. Faa'iidooyinka:

• Copolymers VAE waxay bixiyaan faa'iidooyin dhowr ah oo ku saabsan polymers-dhaqameedka, oo ay ku jiraan sunta hoose, ur yar, dhejis wanaagsan, dabacsanaan, iyo caabbinta biyaha.
• Waxay yihiin kuwo deegaanka u saaxiib ah waxayna u hoggaansamaan xeerar kala duwan oo khuseeya xeryahooda dabiiciga ah ee kacsan (VOCs) iyo walxaha khatarta ah.

5. Wax soo saar:

• Vinyl acetate waxaa ugu horrayn soo saara falcelinta acetic acid ee leh ethylene joogitaanka kicinta, sida caadiga ah palladium ama rhodium. Nidaamku wuxuu ku lug leeyahay dhowr tillaabo, oo ay ku jiraan carbonylation of methanol si loo soo saaro acetic acid, oo ay ku xigto esterification of acetic acid with ethylene si ay u soo saarto vinyl acetate.

Marka la soo koobo, vinyl acetate (VAE) waa monomer badan oo loo isticmaalo soo saarista VAE copolymers, kuwaas oo ka hela codsiyo badan oo ku saabsan xabag, dahaarka, rinjiga, iyo qalabka dhismaha. Hantideeda gaarka ah iyo dabeecadda deegaanka u saaxiibka ah ayaa ka dhigaysa qayb qiimo leh oo ku jirta qaababka warshadaha kala duwan.