Hollow container and stretched film made of a copolyester

Details Hollow container and stretched film made of a copolyester Hollow container and stretched film made of a copolyester

1993-07-15

1994-04-12

Kight, III, John

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

528272, 528283, 528285, 528302, 528305, 5283086, 528481, 528503, 428 341, 2642091, 264291, 264294, B29D 2200

Patent

active

053026861

ABSTRACT:
A hollow article or sheet of a copolyester which comprises, as main components, terephthalic acid as a dicarboxylic acid component and ethylene glycol as a diol component and which is characterized by:
(1) isophthalic acid as a dicarboxylic acid component being from 0.5 to 3.0 mol %,
(2) diethylene glycol as a diol component being from 1.0 to 2.5 mol %,
(3) the intrinsic viscosity being from 0.60 to 1.50 dl/g,
(4) the concentration of terminal carboxyl groups being at most 18 eq/ton, and
(5) the content of a cyclic trimer being at most 0.40% by weight.

REFERENCES:
patent: 4499262 (1985-02-01), Fagerburg et al.

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