Process for producing polyester film

Details Process for producing polyester film Process for producing polyester film

1993-07-07

1995-08-08

Vargot, Mathieu D.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

2642106, 2642107, 264211, 2642902, 264349, 524170, 524171, 524367, 524368, 524370, B29C 5512, B29C 4700

Patent

active

054399610

ABSTRACT:
A process for producing a polyester film having a high strength and a high modulus of elasticity, which includes preparing a polyester resin composition comprising, adding to a polyester resin, 0.1 to 10 parts by weight, based on 100 parts by weight of the polyester resin, of an additive compound selected from the group consisting of compounds represented by the general formula (I): ##STR1## and compounds represented by the following general formula (II): ##STR2## and subjecting the resin composition to monoaxial or biaxial stretching.

REFERENCES:
patent: 3546164 (1970-12-01), Stewart et al.
patent: 4517315 (1985-05-01), Matsumura et al.
patent: 4517328 (1985-05-01), Schmidt
patent: 5162091 (1992-11-01), Ishii et al.
Defensive Publication, 926 O.G. 11, T926,008, Sep. 3, 1974, Weaver J. C. "Copolyester Molding Compositions of Improved Processability".

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