Heat-sealable, oriented, multilayer polyolefin film, process for

Details Heat-sealable, oriented, multilayer polyolefin film, process for Heat-sealable, oriented, multilayer polyolefin film, process for

1994-03-17

1996-04-16

Buffalow, Edith

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428349, 428404, 428331, B32B 702

Patent

active

055080901

ABSTRACT:
An oriented, heat-sealable, multilayer polyolefin film is described, which includes a base layer containing polypropylene and resin, and at least one heat-sealable outer layer. The heat-sealable outer layer contains a propylene copolymer and/or a propylene terpolymer and a mixture of an antiblocking agent having a mean particle diameter of from 3 to 5 .mu.m and a further antiblocking agent having a mean particle diameter of from 1 to 2.5 .mu.m. In addition, a process for the production of the multilayer polyolefin film and the use of the film are described.

REFERENCES:
patent: 4375494 (1983-03-01), Stokes
patent: 4590125 (1986-05-01), Balloni et al.
patent: 4711673 (1987-12-01), Musselman et al.
patent: 4956232 (1990-09-01), Balloni et al.
patent: 5110671 (1992-05-01), Balloni et al.
patent: 5164439 (1992-11-01), Sakamoto et al.
Derwent Publications Ltd., AN 81-80575D, Abstract JP 56-118444.

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