发明名称 |
Coating compositions and their use for the preparation of coatings permeable to water vapor |
摘要 |
This invention relates to coating compositions containing (A) a polyurethane system containing either a polyurethane containing ionic groups and polyethylene oxide units or a precursor thereof prepared from a blocked isocyanate prepolymer and a cross-linking agent and, optionally, (B) organic solvents. This invention further relates to the use of such coating compositions to prepare coatings that are permeable to water vapor.
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申请公布号 |
US5629402(A) |
申请公布日期 |
1997.05.13 |
申请号 |
US19940221214 |
申请日期 |
1994.03.31 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
PEDAIN, JOSEF;SCHUETZE, DETLEF-INGO;THOMA, WILHELM;NACHTKAMP, KLAUS |
分类号 |
C09D175/04;C08G18/08;C08G18/12;C08G18/40;C08G18/42;C08G18/44;C08G18/48;C09D175/00;D06M15/564;D06M15/568;D06M23/00;D06M23/10;D06N3/14;(IPC1-7):C08G18/48;C08G18/80;C08G18/38 |
主分类号 |
C09D175/04 |
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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