发明授权
US5194574A Thermally stable polyesters containing trans-4,4'-stilbenedicarboxylic acid 失效
含有反式-4,4'-二苯二甲酸的热稳定聚酯

Thermally stable polyesters containing trans-4,4'-stilbenedicarboxylic
acid
摘要:
Melt processable copolyesters having improved thermal stability are prepared from 1,4-butanediol, minor amounts of trans-4,4'-stilbenedicarboxylic acid and a dicarboxylic acid selected from terephthalic acid, isophthalic acid, and mixtures thereof.
信息查询
0/0