| 摘要 |
A method for preparing a moisture-curable, virtually telechelic, silyl-functional polyisobutylene is disclosed, said method comprising reacting, in the presence of a Lewis acid,(A) isobutylene;(B) an initiator of the formula(C) a styryl comonomer of the formulawherein R is selected from H or methyl group, R' is a divalent non-aromatic hydrocarbon group having 1 to 6 carbon atoms, R'' is independently selected from alkyl groups having 1 to 10 carbon atoms or aryl groups having 6 to 10 carbon atoms, R''' is a divalent non-aromatic hydrocarbon group having 2 to 6 carbon atoms, X is independently a halogen group, Y is halogen and n is independently 1, 2 or 3.
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