Polypropylene film

Details Polypropylene film Polypropylene film

1987-05-04

1989-06-13

Buffalow, Edith

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

524232, 428461, 428483, 4284763, 428500, 428511, 428516, B32B 2700

Patent

active

048392340

ABSTRACT:
A monolayer polypropylene film obtained by melt extrusion from a composition comprising 100 parts by weight of a crystalline polypropylene and, incorporated therein, a slipping agent [A] having a melting point of 100.degree. to 125.degree. C. and a slipping agent [B] having a melting point of 70.degree. to 90.degree. C. in a total amount of 0.05 to 1.0 part by weight, the initial coefficient of friction of said film being 0.7 or below and the coefficient of friction after heating at 60.degree. C. being 1.0 or below; and a multilayer film composed of said polypropylene film layer having said composition and said characteristics and a substrate material layer.

REFERENCES:
patent: 3176021 (1965-03-01), Volungis et al.
patent: 3562291 (1971-02-01), Lutzmann et al.
patent: 3763059 (1973-10-01), Needham et al.
patent: 4345046 (1982-08-01), Ejk et al.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1276885