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公开(公告)号:US4958004A
公开(公告)日:1990-09-18
申请号:US80283
申请日:1987-07-31
CPC分类号: C08G75/0259 , C08G75/0236 , C08G75/20
摘要: A process is provided for the production of aromatic sulfide/sulfone polymers which involves contacting under suitable polymerization reaction conditions: (1) at least one dihaloaromatic sulfone, (2) at least one organic amide, (3) at least one alkali metal hydrosulfide, (4) water, and (5) at least one member selected from the group consisting of (a) alkali metal carbonates and (b) mixtures of alkali metal carbonates with alkali metal hydroxides wherein said mixtures have at least about 0.5 mole percent alkali metal carbonate.