Invention Grant
- Patent Title: Polyurethanes, articles and coatings prepared therefrom and methods of making the same
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Application No.: US13712110Application Date: 2012-12-12
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Publication No.: US09657134B2Publication Date: 2017-05-23
- Inventor: Thomas G Rukavina , Robert M Hunia , Caroline S Harris , Veronica L Frain
- Applicant: PPG Industries Ohio, Inc.
- Applicant Address: US OH Cleveland
- Assignee: PPG Industries Ohio, Inc.
- Current Assignee: PPG Industries Ohio, Inc.
- Current Assignee Address: US OH Cleveland
- Agent Ann M. Cannoni
- Main IPC: B32B17/10
- IPC: B32B17/10 ; B32B27/40 ; C08G18/10 ; C08G18/12 ; C08G18/30 ; C08G18/32 ; C08G18/38 ; C08G18/40 ; C08G18/44 ; C08G18/66 ; C08G18/67 ; C08G18/72 ; C08G18/75 ; C08G18/76 ; C08G18/79 ; C09D175/04 ; C08G64/42

Abstract:
The present invention provides polyurethanes including a reaction product of components including: (a) about 1 equivalent of at least one polyisocyanate; (b) about 0.05 to about 1 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; (c) about 0.01 to about 0.3 equivalents of at least one polycarbonate diol; and (d) about 0.1 to about 0.9 equivalents of at least one polyol different from the branched polyol and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyether polyol and the reaction components are maintained at a temperature of at least about 100° C. for at least about 10 minutes; compositions, coatings and articles made therefrom and methods of making the same.
Public/Granted literature
- US20140023866A1 Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making the Same Public/Granted day:2014-01-23
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