Two UV curable hyperbranchend polysiloxanes（Ⅰ and Ⅲ） containing vinyl and allyl end groups and an UV cationic curable hyperbranched polymer Ⅱ-Ep with epoxy end groups,were synthesized via the polyhydrosilylation ...Two UV curable hyperbranchend polysiloxanes（Ⅰ and Ⅲ） containing vinyl and allyl end groups and an UV cationic curable hyperbranched polymer Ⅱ-Ep with epoxy end groups,were synthesized via the polyhydrosilylation using AB2 type monomers.All hydrosilylation reactions were catalyzed by（Pt/C） or chloroplatinic acid.Three AB2 type monomers were synthesized via hydrolyzation of functional chlorosilane prepared by using Grignardeagents,and dichlorosilane.The molecular structures of the polymers were characterized by（）1H-,（）29Si-NMR,FTIR and GPC,and the UV-curing behaviors of polymers in different atmospheres and different photoaccelerators were also investigated.展开更多
文摘Two UV curable hyperbranchend polysiloxanes（Ⅰ and Ⅲ） containing vinyl and allyl end groups and an UV cationic curable hyperbranched polymer Ⅱ-Ep with epoxy end groups,were synthesized via the polyhydrosilylation using AB2 type monomers.All hydrosilylation reactions were catalyzed by（Pt/C） or chloroplatinic acid.Three AB2 type monomers were synthesized via hydrolyzation of functional chlorosilane prepared by using Grignardeagents,and dichlorosilane.The molecular structures of the polymers were characterized by（）1H-,（）29Si-NMR,FTIR and GPC,and the UV-curing behaviors of polymers in different atmospheres and different photoaccelerators were also investigated.
