Polyester compositions and process of preparing polyester films

Details Polyester compositions and process of preparing polyester films Polyester compositions and process of preparing polyester films

1986-10-21

1988-02-23

Jacobs, Lewis T.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524604, 524605, C08K 326

Patent

active

047271086

ABSTRACT:
Disclosed herein is a polyester composition comprising 0.001-5% by weight of particles which have an average particle size of 0.05-5 micrometers, are mainly composed of calcium carbonate and contain 0.001-5% by weight of at least one compound selected from the group consisting of magnesium compounds, strontium compounds and barium compounds.
Also disclosed herein is a process for preparing a polyester film by the electrostatic cooling method, which process is characterized by using the polyester composition of the present invention.

REFERENCES:
patent: 3003010 (1961-10-01), Meuret et al.
patent: 4175066 (1979-11-01), Shibazaki et al.
patent: 4595715 (1986-06-01), Kuze et al.

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