Biaxially oriented sealable polypropylene film having improved b

Details Biaxially oriented sealable polypropylene film having improved b Biaxially oriented sealable polypropylene film having improved b

1993-11-18

1995-07-18

Buffalow, Edith

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

428349, 428323, 428336, 428516, B29D 2200

Patent

active

054339839

ABSTRACT:
A sealable film is disclosed comprising (i) a base layer comprising polypropylene and a hydrocarbon resin and (ii) at least one top layer comprising (a) an ethylene/propylene copolymer having an ethylene content of not more than about 10% by weight, (b) a propylene/1-butene copolymer, (c) a propylene/ethylene/alpha-olefin terpolymer, or (d) a blend of two or more of (a), (b) and (c), wherein at least one of said base layer and said at least one top layer contains an anti-blocking agent or lubricant and wherein the top layer contains a hydrocarbon resin. The film possesses improved barrier properties with respect to permeability to water vapor and oxygen, and which at the same time exhibits favorable slip properties and low shrink values.

REFERENCES:
patent: 4502263 (1985-03-01), Crass et al.
patent: 4698261 (1987-10-01), Bothe et al.
patent: 4786533 (1988-11-01), Crass et al.
patent: 4921749 (1990-05-01), Bossaert et al.
patent: 5091237 (1992-02-01), Schloegl et al.
Mueller, et al. 'Ullmanns Enzyklopaedie der Technischen Chemie` (Ullmann's Encyclopedia of Technical Chemistry) 4th edition, vol. 2, 1972, pp. 539-553.

Affiliated with

Also associated with

Rating

Biaxially oriented sealable polypropylene film having improved b does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Biaxially oriented sealable polypropylene film having improved b, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Biaxially oriented sealable polypropylene film having improved b will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2418498