Polyester films

Details Polyester films Polyester films

1976-07-16

1978-07-18

Danison, Walter C.

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

Synthetic resins

From carboxylic acid or derivative thereof

528275, 528305, 526 4, C08G 6322

Patent

active

041015231

ABSTRACT:
A polyester film is disclosed which comprises a polyester mainly consisting of polyethylene terephthalate and an additive amount of granular calcium terephthalate anhydride particles having a specific volume shape factor. The average particle diameter and additive amount of the granular calcium terephthalate anhydride particles may be controlled so that the film is particularly suitable as a metallized film or a condenser film.

REFERENCES:
patent: 3567693 (1971-03-01), Piirma
patent: 3657180 (1972-04-01), Cohn

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