Process for producing aromatic polyesters

Details Process for producing aromatic polyesters Process for producing aromatic polyesters

1989-10-30

1991-10-08

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528190, 528194, 528271, 528292, C08G 6302, C08G 6318

Patent

active

050555464

ABSTRACT:
An aromatic polyester superior in heat resistance and melt-moldability is obtained by carrying out the polycondensation reaction with
Component A consisting of at least one compound having the formula, ##STR1## wherein R.sub.1 is hydrogen, formyl, acetyl, propionyl or benzoyl, and R.sub.2 is hydrogen, a C.sub.1 -C.sub.6 alkyl or a C.sub.6 -C.sub.18 aryl, or a mixture containing not less than 50% by mole of said compound,
Component B consisting of at least one compound having any one of the formulas, ##STR2## wherein R.sub.3 is hydroxyl, a C.sub.1 -C.sub.6 alkyloxy, a C.sub.6 -C.sub.18 aryloxy or halogen, or a mixture containing not less than 50% by mole of said compound, and
Component C consisting of at least one compound having the formula,

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patent: 4529565 (1985-07-01), Kasatani et al.
patent: 4664972 (1987-05-01), Connolly
patent: 4684712 (1987-08-01), Ueno et al.
patent: 4719280 (1988-01-01), Irwin
patent: 4731432 (1988-03-01), Portugall
patent: 4746566 (1988-05-01), Connolly

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