Sealable, matt, biaxially oriented multilayer polyolefin film

Details Sealable, matt, biaxially oriented multilayer polyolefin film Sealable, matt, biaxially oriented multilayer polyolefin film

1992-10-20

1994-11-22

Buffalow, Edith

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428516, 428910, 428349, B32B 702

Patent

active

053667964

ABSTRACT:
A biaxially oriented multilayer film composed of a base layer and at least one outer layer. The base layer contains a propylene polymer. The outer layer contains two components A and B, the component A being composed of a high-density polyethylene (HDPE) and the component B of a copolymer of ethylene and propylene or ethylene and butylene or propylene and butylene or ethylene and another .alpha.-olefin containing 5 to 10 carbon atoms or propylene and another .alpha.-olefin containing 5 to 10 carbon atoms or of a terpolymer of ethylene and propylene and butylene or ethylene and propylene and another .alpha.-olefin containing 5 to 10 carbon atoms or of a mixture of two or more of the copolymers and/or terpolymers mentioned. The film has excellent properties and is useful, for example, as a packaging film, in a laminate, and as a backing film.

REFERENCES:
patent: 4211811 (1980-07-01), Bordini et al.
patent: 4297415 (1981-10-01), Ward et al.
patent: 4410582 (1983-10-01), Tsunashima et al.
patent: 4419411 (1983-12-01), Park
patent: 4522887 (1985-06-01), Koebisu et al.
patent: 4578316 (1986-03-01), Clauson et al.
patent: 4666778 (1987-05-01), Hwo
patent: 4855187 (1989-08-01), Osgood, Jr. et al.

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