Hydroquinone poly(iso-terephthalates) containing residues of p-h

Details Hydroquinone poly(iso-terephthalates) containing residues of p-h Hydroquinone poly(iso-terephthalates) containing residues of p-h

1989-09-26

1992-03-17

Foelak, Morton

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

524601, 524604, 524605, 528176, 528179, 528180, 528194, C08G 6302, C08G 6318, C08J 6700, C08J 6702

Patent

active

050970011

ABSTRACT:
A high modulus, high strength melt processable copolyester consisting essentially of recurring units (I), (II), (III) and (IV): ##STR1## wherein said copolyester has a melting point in the range of from about 340.degree. C. to 400.degree. C., a crystallization temperature of from about 300.degree. C.-340.degree. C., and a crystallization rate of at least 1,000 counts/minute.

REFERENCES:
patent: 4381389 (1983-04-01), Irwin
patent: 4742149 (1988-05-01), Finestone

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