专利名称：Poly(ureaurethane)s, articles and coatings
prepared therefrom and methods of makingthe same
发明人：Thomas G. Rukavina,Robert Hunia申请号：US11639112申请日：20061214
公开号：US20070155895A1公开日：20070705
摘要：The present invention provides poly(ureaurethane)s including a reactionproduct of components comprising: (a) at least one isocyanate functional ureaurethaneprepolymer comprising the reaction product of: (1) at least one isocyanate functionalurethane prepolymer comprising the reaction product of: (i) a first amount of at least onepolyisocyanate selected from the group consisting of polyisocyanate trimers andbranched polyisocyanates, the polyisocyanate having at least three isocyanate functionalgroups; and (ii) a first amount of at least one aliphatic polyol; and (2) water, to form anisocyanate functional ureaurethane prepolymer; and (b) a second amount of at least onepolyisocyanate and a second amount of at least one aliphatic polyol; compositions,coatings and articles made therefrom and methods of making the same.
申请人：Thomas G. Rukavina,Robert Hunia
地址：New Kensington PA US,Kittanning PA US
国籍：US,US
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