Novel copoly(arylene ether ketones) having a biphenylene-4,4′-dicarbonyl group in their backbone, comprising
(A) a repeat unit
and
(B) a repeat unit selected from the group consisting of
where R, which is the same in each of repeat units (A) and (B), is a direct bond,
the molar ratio of repeat units (A) to repeat units (B) being between about 10:90 and about 70:30.
骨架中含有
联苯-4,4′-二羰基的新型共聚(芳烯
醚酮),包括
(A) 一个重复单元
和
(B) 选自以下组别的重复单元
其中 R(在重复单元(A)和重复单元(B)中均相同)为直接键、
重复单元(A)与重复单元(B)的摩尔比介于约 10:90 与约 70:30 之间。