Strong, air permeable membranes of polytetrafluoroethylene

Details Strong, air permeable membranes of polytetrafluoroethylene Strong, air permeable membranes of polytetrafluoroethylene

1996-08-01

1998-09-29

Cannon, James C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264127, 2642107, 2642888, 4283155, B29C 5502, B32B 526, D04H 1300

Patent

active

058144056

ABSTRACT:
Microporous membranes are described and characterized as having a morphological microstructure of very highly elongated nodes interconnected by fibrils which form a structural network of voids or pores through the spaces between the nodes and fibrils, which voids or pores extend from one side of the membrane to the other. The membranes are highly uniform in terms of mass per volume, have very high strength and a very open microstructure.

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