发明授权
- 专利标题： Liquid coatings for bridge deckings and the like
- 专利标题（中）： 桥面板等的液体涂料
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申请号： US209406申请日： 1988-05-19
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公开(公告)号： US4877829A公开(公告)日： 1989-10-31
- 发明人: Cung Vu , Timothy J. Martin , Andrew M. Gillanders , Bassam Sbaiti
- 申请人： Cung Vu , Timothy J. Martin , Andrew M. Gillanders , Bassam Sbaiti
- 申请人地址： MD Columbia
- 专利权人： W. R. Grace & Co.-Conn.
- 当前专利权人： W. R. Grace & Co.-Conn.
- 当前专利权人地址： MD Columbia
- 主分类号： C08G18/08
- IPC分类号： C08G18/08 ; C08G18/36 ; C08G18/65 ; C08G18/69 ; C08G18/76 ; C08G18/80
摘要：
Novel polyurethane formulations especially useful as membranes for the protection of bridge deckings. The polyurethane is prepared by mixing two components, A and B. Component A comprises castor oil, a low molecular weight polyol having a molecular wieght between 92 and about 200, preferably with an elastomer. Component B is a modified MDI, being either (i) a mix of 4,4'- and 2,4'-isomers of diphenylmethane diisocyanate or (ii) a diphenylmethane diisocyanate and its reaction product with a low molecular weight poly(oxyalkylene).
公开/授权文献
- US5449031A Tire support and safety cage apparatus and method 公开/授权日：1995-09-12
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