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HYDROPHILIC COATING
专利权人:
Richard K. Elton
发明人:
Richard K. Elton
申请号:
US13609594
公开号:
US20130006175A1
申请日:
2012.09.11
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A hydrophilic, lubricious coating for a substrate includes a first coating layer having a cross-linked polyurethane or polyurea complexed with poly(ethylene oxide) formed by reacting a mixture of an isocyanate, a polyol or polyamine, and a poly(ethylene oxide), and a second coating layer having a cross-linked polyurethane or polyurea complexed with polyvinylpyrrolidone formed by reacting a mixture of an isocyanate, a polyol or polyamine, and a polyvinylpyrrolidone. The first layer is substantially covered by the second layer and the second layer at least partially interpenetrates the first layer. The coating is provided by applying the first coating layer, curing to provide a cross-linked polyurethane or polyurea/poly(ethylene oxide) coating, applying the second layer, and curing to provide a cross-linked polyurethane or polyurea/polyvinylpyrrolidone coating.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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