Porous polyethylene film

Details Porous polyethylene film Porous polyethylene film

1981-12-31

1983-05-17

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

156229, 264 41, 2642107, 428523, 428910, B32B 326, D01D 512, D01F 1100

Patent

active

043840230

ABSTRACT:
A porous polyethylene film was obtained which is characterized in that micropores are contiguous with one another from one surface to the other surface of the film to constitute a laminar structure, and said micropores assume the form of strips being composed of microfibrils that are arrayed in a direction in which the film is stretched and nodular portions that are coupled to said microfibrils nearly at right angles thereto, wherein the micropores have an average pore diameter over a range of 0.05 to 2 microns as measured using a mercury porosimeter, said film has a porosity over a range of 30 to 90%, and an elastic recovery factor from the 50% stretching ratio is less than 50%.

REFERENCES:
patent: 3679538 (1972-07-01), Druin et al.
patent: 3932682 (1976-01-01), Loft et al.
patent: 3969562 (1976-07-01), Suzuki

Affiliated with

Also associated with

Rating

Porous polyethylene film 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 polyethylene film, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Porous polyethylene film will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1566837