Multi-layer laminates of microporous films

Details Multi-layer laminates of microporous films Multi-layer laminates of microporous films

1988-10-14

1989-09-05

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

1563082, 1563086, 4283157, 4283166, B32B 300, B32B 514, B32B 518

Patent

active

048637920

ABSTRACT:
Multi-layer, microporous polyolefin sheet materials are provided. The sheet materials comprise at least two microporous polyolefin layers, the layers being autogenously bonded and having substantially the same porosity as prior to bonding.

REFERENCES:
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patent: 4247498 (1981-01-01), Castro
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patent: 4539256 (1985-09-01), Shipman
patent: 4650730 (1987-03-01), Lundquist et al.
patent: 4726989 (1988-02-01), Mrozinski
Smolders, van Aartsen & Steenbergen, Kolloid-Z.u.Z. Polymere, 243, 14-20 (1971).
ICI Americas Inc. Tech. Bulletin "The Processing of PTFE Coagulated Dispersion Powder", pp. 1-4.

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