Copolyesters derived from terephthalic acid, phenylhydroquinone

Details Copolyesters derived from terephthalic acid, phenylhydroquinone Copolyesters derived from terephthalic acid, phenylhydroquinone

1979-11-19

1980-12-09

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528190, 528191, 528194, 528271, 528309, C08G 6318

Patent

active

042386004

ABSTRACT:
Copolyesters of terephthalic acid, phenylhydroquinone and 25 to 65 mole percent t-butylhydroquinone based on total moles of diol. These copolyesters are characterized by high melting points, good melt processability, high heat resistance and high oxidative stability. The copolyesters are useful for the manufacture of melt-spun fibers, extruded films and injection molded articles.

REFERENCES:
patent: 3160602 (1964-12-01), Kantor
patent: 3991013 (1976-11-01), Pletcher
patent: 3991014 (1976-11-01), Kleinschuster
patent: 4064108 (1977-12-01), Inata et al.
patent: 4066620 (1978-01-01), Kleinschuster et al.
patent: 4118372 (1978-10-01), Schaefgen
patent: 4153779 (1979-05-01), Jackson, Jr. et al.
patent: 4156070 (1979-05-01), Jackson, Jr. et al.
patent: 4159365 (1979-06-01), Payet

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