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,Yan Wang,Veronica L.Frain
申请号:US12410102申请日:20090324
公开号:US20090280709A1公开日:20091112
专利附图:
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:Thomas G. Rukavina,Robert M. Hunia,Caroline S. Harris,Yan Wang,Veronica L.Frain
地址:New Kensington PA US,Kittanning PA US,Pittsburgh PA US,Seven Fields PAUS,Brackenridge PA US
国籍:US,US,US,US,US
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