Multilayer article of microporous and porous materials

Details Multilayer article of microporous and porous materials Multilayer article of microporous and porous materials

1988-12-19

1989-10-31

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

428225, 428245, 428253, 428254, 428255, 428280, 428281, 428283, 428290, 4283155, 4283157, 4283166, 4283179, B32B 300, B32B 522

Patent

active

048776793

ABSTRACT:
A multilayer article comprises at least one layer of substantially porous material bonded to at least one layer of microporous material comprising a matrix consisting essentially of linear ultrahigh molecular weight polyolefin, a large proportion of finely divided, water-insoluble siliceous filler, and interconnecting pores. The microporous material has regions of stretch-induced molecularly oriented polymer in the matrix.

REFERENCES:
patent: 4377616 (1983-03-01), Ashcraft et al.
patent: 4539256 (1985-09-01), Shipman
patent: 4578297 (1986-03-01), Duncan
patent: 4632869 (1986-12-01), Park et al.
patent: 4702954 (1987-10-01), Duncan
patent: 4704323 (1987-11-01), Duncan et al.
patent: 4707404 (1987-11-01), Morishita et al.
patent: 4726989 (1988-02-01), Mrozinski

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