Heat-sealable, oriented, multilayer polyolefin film

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

1996-04-26

1999-05-04

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428 357, 428215, 428216, 428323, 428328, 428330, 428331, 428336, 428339, 428349, 428355EN, 428403, 428404, 428447, 428515, 428516, 428523, 2065241, B32B 710, B32B 2708, B32B 2732

Patent

active

059003103

ABSTRACT:
An oriented, heat-sealable, multilayer polyolefin film comprising a base layer containing polypropylene and a heat-sealable outer layer on each side of the base layer. The heat-sealable outer layers contain a propylene copolymer and/or a propylene terpolymer and a mixture of an antiblocking agent having a mean particle diameter of from about 3 to 5 .mu.m and a further antiblocking agent having a mean particle diameter of from about 1 to 2.5 .mu.m.

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patent: 5508090 (1996-04-01), Peiffer et al.
patent: 5681650 (1997-10-01), Peiffer et al.
Derwent Publications, Ltd., AN 81-80575D and JP-A-56 118 444 published Sep. 17, 1981.

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