Porous products manufactured from polytetrafluoroethylene treate

Details Porous products manufactured from polytetrafluoroethylene treate Porous products manufactured from polytetrafluoroethylene treate

1999-02-08

1999-10-26

Dye, Rena L.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 365, 4283044, 428422, 2 69, 2 93, 22431, 2904, 55514, 55522, 55524, 55528, A41D 102, B01D 3900

Patent

active

059724498

ABSTRACT:
Porous materials suitable for a variety of uses including waterproof/breathable fabrics, air filters, liquid filters, liquid/liquid separation membranes, vascular grafts, mechanical seals, etc. which comprises an intimate combination of about 50 to 99.9 wt % polytetrafluoroethylene polymer and about 0.1 to 50 wt % of a fluorinated organic polymer which is liquid under ambient conditions, such as the perfluoroether fluids, wherein the material has a microstructure characterized by nodes interconnected by fibrils.

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