Biaxially stretched polypropylene monofilm

Details Biaxially stretched polypropylene monofilm Biaxially stretched polypropylene monofilm

1992-01-22

1993-10-12

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428461, 428409, 428379, 428516, 361323, 2642902, 154229, B32B 702

Patent

active

052523896

ABSTRACT:
A biaxially stretched polypropylene monofilm, wherein the surfaces of the two sides of the polypropylene monofilm have different roughnesses R.sub.Z, is employed as an insulation film for the production of capacitors. The smoother of the two surfaces of the polypropylene monofilm is substantially free from fibrils and pits, so that no flaws occur in a metal layer applied on metallization of this surface.

REFERENCES:
patent: 4803027 (1989-02-01), Peiffer et al.

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