发明名称 METHOD FOR PRODUCING AROMATIC POLYETHER
摘要 PROBLEM TO BE SOLVED: To provide a method for producing an aromatic polyether which is more improved to reduce discoloring around 400 nm and 600 nm and is excellent in transparency. SOLUTION: The method for producing an aromatic polyether comprises reacting a compound selected from an aromatic compound having a plurality of halogen atoms, a polyhydric phenol, and a halophenol with a base, wherein hypophosphorous acid and ammonium phosphate are employed at 0.01% or more and 0.01% or more respectively on the base of the theoretical weight of the aromatic polyether to be obtained.
申请公布号 JP2003138009(A) 申请公布日期 2003.05.14
申请号 JP20010334332 申请日期 2001.10.31
申请人 SUMITOMO CHEM CO LTD 发明人 OTA CHIKARA;SATO KUNIHISA
分类号 C08G65/40;C08G75/23;(IPC1-7):C08G65/40 主分类号 C08G65/40
代理机构 代理人
主权项
地址