专利检索 ap:("E.I. DU PONT DE NEMOURS AND COMPANY") AND inv:"Leck, Thomas Joseph" 第 1 页

1.

发明公开
Heat stable tetrafluoroethylene- perfluoro (alkyl vinyl ether) copolymers 失效
标题翻译：耐火材料Perfluoralkylvinyläther四氟乙烯共聚物。

公开(公告)号：EP0178935A1

公开(公告)日：1986-04-23

申请号：EP85307506.7

申请日：1985-10-17

申请人： E.I. DU PONT DE NEMOURS AND COMPANY

发明人： Carlson, Dana Peter , Kerbow, Dewey Lynn , Leck, Thomas Joseph , Olson, Allan Harold

IPC分类号： C08F8/30 , C08F214/26

CPC分类号： C08F8/30 , C08F2800/20 , C08F214/26

摘要： A tetrafluoroethylene-perfluoro(alkyl vinyl ether copoly- me) in which heat unstable carbinol end-groups (-CH 2 OH groups) present have been protected against heat degradation by treating the copolymer with NH 3 or NH 3 producing compounds.