专利名称：Polyurethanes, Articles and Coatings
Prepared Therefrom and Methods ofMaking the Same
发明人：Thomas G. Rukavina,Caroline S. Harris,Robert
M. Hunia,Veronica L. Frain,Yan Wang
申请号：US13690579申请日：20121130
公开号：US20130095311A1公开日：20130418
摘要：The present invention provides polyurethanes including a reaction product ofcomponents including: (a) an isocyanate functional urethane prepolymer comprising areaction product of components including: (i) about 1 equivalent of at least one
polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branchedpolyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about0.9 equivalents of at least one polyol different from branched polyol (b) and having 2 to18 carbon atoms, wherein the reaction product components are essentially free ofpolyester polyol and polyether polyol; compositions, coatings and articles madetherefrom and methods of making the same.
申请人：PPG Industries Ohio, Inc.
地址：Cleveland OH US
国籍：US
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