Copoly arylate from hydroquinone and dihydroxy diphenyl sulfone

Details Copoly arylate from hydroquinone and dihydroxy diphenyl sulfone Copoly arylate from hydroquinone and dihydroxy diphenyl sulfone

1987-08-10

1992-03-17

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528176, 528194, 528271, C08G 6318

Patent

active

050969978

ABSTRACT:
Described herein are novel polyarylates derived from mixtures of terephthalic and isophthalic acids, hydroquinone and 4,4'-dihydroxydiphenyl sulfone. The instant polyarylates exhibit excellent stress-crack resistance in a wide variety of solvents. Moreover, the materials display very good mechanical and thermal properties.

REFERENCES:
patent: 4599397 (1986-07-01), Yoshimura et al.
patent: 4617368 (1986-10-01), Freitag et al.
patent: 4731433 (1988-03-01), Yatsu et al.
English Language Translation of Japanese Patent Application 57/164,120, Asada.

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