专利名称：Polyurethanes, Articles and Coatings
Prepared Therefrom and Methods ofMaking the Same
发明人：Thomas G. Rukavina,Robert M.
Hunia,Caroline S. Harris,Veronica L. Frain
申请号：US13712110申请日：20121212
公开号：US20140023866A1公开日：20140123
摘要：The present invention provides polyurethanes including a reaction product ofcomponents including: (a) about 1 equivalent of at least one polyisocyanate; (b) about0.05 to about 1 equivalents of at least one branched polyol having 4 to 18 carbon atomsand at least 3 hydroxyl groups; (c) about 0.01 to about 0.3 equivalents of at least onepolycarbonate diol; and (d) about 0.1 to about 0.9 equivalents of at least one polyoldifferent from the branched polyol and having 2 to 18 carbon atoms, wherein thereaction product components are essentially free of polyether polyol and the reactioncomponents are maintained at a temperature of at least about 100° C. for at least about10 minutes; compositions, coatings and articles made therefrom and methods of makingthe same.
申请人：PPG Industries Ohio, Inc.
地址：US
国籍：US
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