发明授权
US4071499A High temperature polyester resins from 4,4'-bis(p-hydroxyphenoxy)diphenyl ether and terephthalic acid 失效
来自4,4 {40-双(对羟基苯氧基)二苯基醚和对苯二甲酸的高温聚酯树脂

High temperature polyester resins from
4,4'-bis(p-hydroxyphenoxy)diphenyl ether and terephthalic acid
摘要:
This invention provides high temperature performance polyester resins which contain polyphenyl ether blocks as recurring structural units. The polyester resins are melt stable at temperatures up to about 400.degree. C.
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