Polyester film containing fine powder of crosslinked polymer

Details Polyester film containing fine powder of crosslinked polymer Polyester film containing fine powder of crosslinked polymer

1980-04-28

1982-03-16

Seccuro, Carman J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

525176, 525177, C08L 6702

Patent

active

043202071

ABSTRACT:
There is disclosed a polyester film containing from 0.001% to 4% by weight fine particles of a crosslinked polymer having an average diameter of 0.1 to 5.mu., said fine particles being derived by pulverization from a crosslinked polymer having a specific surface area of at least 1 m.sup.2 /g and a pore volume of at least 0.1 ml/g. The films of the present invention are useful as high grade films and afford many advantages in various applications, for example, as magnetic tapes, capacitors, photography, printing plate making, releasing and the like.

REFERENCES:
patent: 3928254 (1975-12-01), Takayama et al.
patent: 3935132 (1976-01-01), Gerkin et al.
patent: 4007141 (1977-02-01), Wismer et al.
patent: 4118440 (1978-10-01), Jin et al.

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