Polyester containers having improved gas barrier properties

Details Polyester containers having improved gas barrier properties Polyester containers having improved gas barrier properties

1983-06-09

1984-01-17

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528194, 528195, 528209, C08G 6318, C08G 6366, C08G 6368

Patent

active

044265123

ABSTRACT:
The present invention provides containers having improved resistance to gas permeability. The containers are formed from a polyester resin which comprises the reaction product of a diol containing up to about 8 carbon atoms and a diacid component which comprises about 5 to 60 mole percent of a first diacid selected from [thiobis(p-phenyleneoxy)]diacetic acid, [sulfonylbis(p-phenyleneoxy)]diacetic acid, and mixtures thereof, and about 40 to 95 mole percent of terephthalic acid. The polyester resin has an inherent viscosity of about 0.5 to 1.5. The containers which are provided by the present invention may be in the form of sheet, film, molded articles, such as bottles, and other such structures.

REFERENCES:
patent: 2470651 (1949-05-01), Schaffel
patent: 4307060 (1981-12-01), Go
patent: 4330661 (1982-05-01), Go
patent: 4384106 (1983-05-01), Go et al.

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