Polyurethanes, articles and coatings prepared therefrom and methods of making the same

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United States of America Patent

PATENT NO 9822211
SERIAL NO

14465436

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Abstract

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The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction 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 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 0.9 equivalents of at least one polyol different from branched polyol (b) and 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.

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Patent Owner(s)

Patent OwnerAddress
PPG INDUSTRIES OHIO INC3800 WEST 143RD STREET CLEVELAND OH 44111

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frain, Veronica L Brackenridge, US 12 243
Harris, Caroline S Pittsburgh, US 48 861
Hunia, Robert M Kittanning, US 34 646
Rukavina, Thomas G New Kensington, US 93 2158
Wang, Yan Seven Fields, US 1050 6474

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