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    • 1. 发明授权
    • Modified poly(ethylene oxide), method of making same and articles using same
    • 改性聚(环氧乙烷),其制备方法和使用其的制品
    • US06610793B1
    • 2003-08-26
    • US09579843
    • 2000-05-26
    • Dave A. SoerensEric D. JohnsonGregory J. WidemanJames Hongxue Wang
    • Dave A. SoerensEric D. JohnsonGregory J. WidemanJames Hongxue Wang
    • C08F28300
    • C08F283/00C08F283/06
    • A method for making modified poly(ethylene oxide) by graft polymerizing thereto organic monomers containing a trialkoxy silane functional group or a moiety that reacts with water to form a silanol group, such as methacryloxypropyl trimethoxy silane, onto the poly(ethylene oxide) is disclosed. The graft polymerization is accomplished by mixing the poly(ethylene oxide), the silane-containing monomer(s) and an initiator and applying heat. Preferably, the method is a reactive-extrusion process. The resulting modified poly(ethylene oxide) has improved water absorption characteristics and melt processabilities and may be used to make thermally processed articles, such as fibers, films and foams, that have improved properties over articles similarly processed from unmodified poly(ethylene oxide).
    • 公开了一种通过接枝聚合含有三烷氧基硅烷官能团的有机单体或与水反应以形成硅烷醇基的部分(例如甲基丙烯酰氧基丙基三甲氧基硅烷)到聚(环氧乙烷)上的改性聚环氧乙烷的方法) 。 接枝聚合通过将聚(环氧乙烷),含硅烷的单体和引发剂混合并施加热量来实现。 优选地,该方法是反应挤出方法。 所得到的改性聚环氧乙烷具有改善的吸水特性和熔融加工性能,并且可用于制造类似于未改性的聚(环氧乙烷)加工的制品具有改进性能的热处理制品,例如纤维,膜和泡沫。