发明申请
- 专利标题： METHOD FOR PREPARING A THERMOPLASTIC POLYURETHANE OF IMPROVED YELLOWNESS INDEX, AND OPTICAL ARTICLES MADE THEREFROM
- 专利标题（中）： 制备改进的黄色索引的热塑性聚氨酯的方法及其制备的光学制品
-
申请号： US13700362申请日： 2010-05-27
-
公开(公告)号： US20130201441A1公开(公告)日： 2013-08-08
- 发明人: Hao-Wen Chiu , Zeming Gou
- 申请人： Hao-Wen Chiu , Zeming Gou
- 申请人地址： FR Charenton-Le-Pont
- 专利权人： Essilor International (Compagnie Generale d'Optique)
- 当前专利权人： Essilor International (Compagnie Generale d'Optique)
- 当前专利权人地址： FR Charenton-Le-Pont
- 国际申请： PCT/US10/01599 WO 20100527
- 主分类号： C08K5/18
- IPC分类号： C08K5/18 ; C08K5/3475 ; G02C7/02 ; C08K5/3435
摘要：
Method for converting a composition into thermoplastic polyurethane, said composition comprising polyurethane resin, said method comprising the steps of combining the composition with a chemical compound, and converting said mixture into thermoplastic polyurethane, characterized in that said chemical compound is 1,4-Di(2,6-dibromo-4-methylphenylamino) anthracene-9,10-dione. Article obtained according to this method.
公开/授权文献
信息查询
