发明授权
- 专利标题： Radiation curable powder coating compositions and their use
- 专利标题（中）： 辐射固化粉末涂料组合物及其用途
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申请号： US10321384申请日： 2002-12-18
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公开(公告)号： US06825240B2公开(公告)日： 2004-11-30
- 发明人: Andreas Wenning , Giselher Franzmann , Emmanouil Spyrou
- 申请人： Andreas Wenning , Giselher Franzmann , Emmanouil Spyrou
- 优先权： DE10163827 20011222
- 主分类号： C08G1800
- IPC分类号： C08G1800
摘要：
A radiation curable powder coating composition, comprising I.) a binder comprising A) 60-90% by weight of at least one amorphous urethane acrylate; and B) 10-40% by weight of at least one crystalline urethane acrylate; wherein a Tg of a mixture of A) and B) is at least 35° C.; and II.) an auxiliary and an additive, excluding an UV initiator, crosslinks to yield a lightfast and weather-stable film.
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