Method of producing a porous plastic film, and plastic film

Details Method of producing a porous plastic film, and plastic film Method of producing a porous plastic film, and plastic film

2004-11-04

2008-11-18

Chaney, Carol (Department: 1794)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

C264S288800

Reexamination Certificate

active

07452593

ABSTRACT:
A method of producing a porous plastic film, and a porous plastic film. The plastic film is prepared from a raw material blend comprising a polymer-containing basic material and an additive. Pores are generated in the film by stretching a film preform. The additive comprises a POS(S) chemical.

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