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    • 8. 发明授权
    • Wholly aromatic polyester and process for producing the same
    • 全芳香族聚酯及其制造方法
    • US4599397A
    • 1986-07-08
    • US683518
    • 1984-12-19
    • Tamotsu YoshimuraMasahiko NakamuraAtsushi Kasai
    • Tamotsu YoshimuraMasahiko NakamuraAtsushi Kasai
    • C08G63/00C08G63/18C08G63/19C08G63/68C08G63/682C08G63/688
    • C08G63/6826C08G63/19
    • Disclosed herein is a wholly aromatic polyester comprising the structural units represented by the formulae (A), (B), (C), (D), and (E) ##STR1## wherein R.sup.1 represents a halogen atom, a hydrocarbon group, an alkoxy group or a phenoxy group ##STR2## wherein A represents an oxygen atom, a sulfur atom, a sulfonyl group, a carbonyl group, an alkylene group or an alkylidene group, or a single bond directly connecting the two benzene rings and R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 represent respectively a hydrogen atom, a halogen atom or a hydrocarbon group,the wholly aromatic polyester containing 5 to 50 mol % of the unit (A), 5 to 45 mol % of the unit (B), 5 to 45 mol % of the unit (C), 5 to 20 mol % of the unit (D) and 0 to 10 mol % of the unit (E), and the sum of the amounts of the unit (A) and the unit (B) and the sum of the amounts of the unit (C), the unit (D) and the unit (E) being substantially equimolar, and a process for producing the same.
    • 本文公开了包含由式(A),(B),(C),(D)和(E)表示的结构单元的全芳族聚酯。(B) (C)其中R 1表示卤素原子,烃基,烷氧基或苯氧基。(D)和(E)其中A表示氧原子,硫原子,磺酰基, 羰基,亚烷基或亚烷基,或直接连接两个苯环的单键,R2,R3,R4,R5,R6,R7,R8和R9分别表示氢原子,卤素原子或烃基 ,含有5〜50摩尔%的单元(A),5〜45摩尔%的单元(B),5〜45摩尔%的单元(C),5〜20摩尔%的单元的全芳香族聚酯 (D)和单位(E)的0〜10摩尔%,单位(A)和单位(B)的量的总和以及单位(C),单位( D)和单元(E)基本上是等摩尔的,及其制备方法 。