发明名称 |
Polyurethanes, articles and coatings prepared therefrom and methods of making the same |
摘要 |
<p>The present invention rovides a polyurethane comprising a reaction product of components comprising: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components comprising: (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 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.45 equivalents of at least one diol having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.</p> |
申请公布号 |
EP2385075(A1) |
申请公布日期 |
2011.11.09 |
申请号 |
EP20110005816 |
申请日期 |
2006.12.14 |
申请人 |
PPG INDUSTRIES OHIO, INC. |
发明人 |
HUNIA, ROBERT M.;WANG, YAN;RUKAVINA, THOMAS G. |
分类号 |
C08G18/80;C08G18/32;C08G18/44;C08G18/66;C08G18/75 |
主分类号 |
C08G18/80 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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