发明申请
- 专利标题： POLYVINYL ACETAL POWDER COATING MATERIAL
- 专利标题（中）： 聚乙烯粉末涂料
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申请号： US12863378申请日： 2008-12-17
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公开(公告)号： US20100311881A1公开(公告)日： 2010-12-09
- 发明人: Shinya Oshita , Yuhi Shimazumi
- 申请人： Shinya Oshita , Yuhi Shimazumi
- 申请人地址： JP Kurashiki-shi, Okayama
- 专利权人： Kuraray Co., Ltd.
- 当前专利权人： Kuraray Co., Ltd.
- 当前专利权人地址： JP Kurashiki-shi, Okayama
- 优先权： JP2008-006571 20080116
- 国际申请： PCT/JP08/73009 WO 20081217
- 主分类号： C08K5/20
- IPC分类号： C08K5/20 ; C08K5/12
摘要：
The present invention provides a polyvinyl acetal powder coating material capable of forming a coating film having a highly smooth surface, being less susceptible to yellowing when exposed to heat, and being suitable for working such as bending of a coated article. The present invention is a polyvinyl acetal powder coating material including: a polyvinyl acetal resin; and 0.02 to 5% by weight of an antioxidant relative to the polyvinyl acetal resin. The antioxidant has a molecular weight of 380 to 1000 and a melting point of 80 to 230° C. It is preferable that the molecular weight of the antioxidant be 400 to 1000.
公开/授权文献
- US08188173B2 Polyvinyl acetal powder coating material 公开/授权日：2012-05-29
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