发明授权
US4944803A Catalyst-containing coating to promote rapid curing polyurethane lacquers
失效
含催化剂的涂料促进快速固化聚氨酯漆
- 专利标题： Catalyst-containing coating to promote rapid curing polyurethane lacquers
- 专利标题（中）： 含催化剂的涂料促进快速固化聚氨酯漆
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申请号： US172615申请日： 1988-03-24
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公开(公告)号： US4944803A公开(公告)日： 1990-07-31
- 发明人: Wayne A. Kraus
- 申请人： Wayne A. Kraus
- 申请人地址： DE Wilmington
- 专利权人： Hercules Incorporated
- 当前专利权人： Hercules Incorporated
- 当前专利权人地址： DE Wilmington
- 主分类号： C09D175/04
- IPC分类号： C09D175/04 ; B05D7/24 ; C08G18/16 ; C08G18/24 ; C09D175/00
摘要：
Disclosed is a process for promoting the rapid curing of a two component polyurethane lacquer that has been applied to a substrate. A cure coat composition consisting of a hydroxy functional polymer such as nitrocellulose, a solvent for the polymer, and a urethane catalyst such as an organic tin compound, is applied over the polyurethane lacquer while it is in a wet or semi-dry state.
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