Porous film of polytetrafluoroethylene and preparation thereof

Details Porous film of polytetrafluoroethylene and preparation thereof Porous film of polytetrafluoroethylene and preparation thereof

1989-11-13

1992-09-01

Herbert, Jr., Thomas J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

264 48, 264127, 428220, 428422, B32B 5116, B32B 2732, B29D 2704

Patent

active

051437830

ABSTRACT:
A polytetrafluoroethylene porous film obtainable by applying an aqueous dispersion of emulsion polymerized polytetrafluoroethylene particles having an average minor particle size of 1 to 500 nm and an average aspect ratio of at least 10 on a substrate, drying the applied dispersion and optionally sintering the dried polytetrafluoroethylene particles on the substrate to obtain the polytetrafluoroethylene porous film, which has a uniform thin thickness.

REFERENCES:
patent: 3960651 (1976-06-01), Kometani et al.
patent: 4196070 (1980-04-01), Chao et al.

Affiliated with

Also associated with

Rating

Porous film of polytetrafluoroethylene and preparation thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Porous film of polytetrafluoroethylene and preparation thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Porous film of polytetrafluoroethylene and preparation thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-766857