Heat-sealable multi-layer film structure same

Details Heat-sealable multi-layer film structure same Heat-sealable multi-layer film structure same

1989-03-08

1990-03-27

Ives, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428331, 428451, 428516, 428910, 525240, 2641761, B32B 2708

Patent

active

049119761

ABSTRACT:
A multi-layer structure of low COF also having antistick characteristics over a wide temperature range during heat-sealing, comprising an amine containing polypropylene core layer having one or more skin layers of a low stereoregularity polyolefin containing, silica and a polysiloxane and a method of forming the same.

REFERENCES:
patent: 3508944 (1970-04-01), Henderson
patent: 4147827 (1979-04-01), Breidt, Jr. et al.
patent: 4348457 (1982-09-01), Rosenthal et al.
patent: 4419410 (1983-12-01), Weiner
patent: 4419411 (1983-12-01), Park
patent: 4439478 (1984-03-01), Fergurson et al.
patent: 4716068 (1987-12-01), Seifried et al.

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