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    • 4. 发明授权
    • Silyl-functional pseudo-telechelic polyisobutylene terpolymers
    • 甲硅烷基官能的假远电子聚异丁烯三元共聚物
    • US06268451B1
    • 2001-07-31
    • US09677744
    • 2000-10-03
    • Rudolf FaustSavvas E. HadjikyriacouToshio Suzuki
    • Rudolf FaustSavvas E. HadjikyriacouToshio Suzuki
    • C08F23008
    • C08F230/08C08F210/10
    • A method for preparing a moisture-curable, pseudo-telechelic, silyl-functional polyisobutylene terpolymer is disclosed, said method comprising reacting, in the presence of a Lewis acid and a solvent, (A) an isobutylene monomer; (B) a isopropenylphenyl comonomer having the formula (C) a vinylphenyl comonomer of the formula wherein R′ is a divalent non-aromatic hydrocarbon group having 2 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 hydrolyzable group and n is independently 1, 2 or 3, with the proviso that rAC is greater than 1 and rAB is less than 1, wherein rAB is the reactivity ratio of said isobutylene in the presence of said comonomer (B) and said solvent and rAC is the reactivity ratio of said isobutylene in the presence of said comonomer (C) and said solvent.
    • 公开了一种制备湿气固化的假手爪,甲硅烷基官能的聚异丁烯三元共聚物的方法,所述方法包括在路易斯酸和溶剂的存在下使(A)异丁烯单体反应;(B)异丙烯基苯基共聚单体 具有式(C)的式(C)式R 2的乙烯基苯基共聚单体是具有2至6个碳原子的二价非芳族烃基,R“独立地选自具有1至10个碳原子的烷基或具有6至 10个碳原子,R是具有2至6个碳原子的二价非芳族烃基,X独立地是可水解基团,n独立地是1,2或3,条件是rAC大于1且rAB小于 1,其中rAB是所述异丁烯在所述共聚单体(B)和所述溶剂存在下的反应活性比,rAC是所述异丁烯在所述共聚单体(C)和所述溶剂存在下的反应活性比。