Wholly aromatic polyester and process for producing the same

Details Wholly aromatic polyester and process for producing the same Wholly aromatic polyester and process for producing the same

1984-12-19

1986-07-08

Lee, Lester L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528126, 528128, 528173, 528176, 528191, 528193, 528194, 528271, C08G 6318

Patent

active

045993971

ABSTRACT:
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,

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