One side heat sealable polypropylene film

Details One side heat sealable polypropylene film One side heat sealable polypropylene film

1991-06-07

1992-05-05

Sluby, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428331, 428349, 428448, 428484, 428516, 428910, 2641761, B32B 2702, B32B 2708

Patent

active

051106710

ABSTRACT:
An oriented, multi-layer polymer film laminate having a core of isotactic polypropylene, an outside skin layer of isotactic polypropylene containing an anti-blocking agent and an inside heat sealable skin layer containing an anti-blocking agent and a coefficient of friction-reducing amount of a silicone oil.

REFERENCES:
patent: 3547754 (1970-12-01), Tokos et al.
patent: 4343852 (1982-08-01), Isaka et al.
patent: 4419411 (1983-12-01), Park
patent: 4659612 (1987-04-01), Balloni et al.
patent: 4692379 (1987-09-01), Keung et al.
patent: 4764425 (1988-08-01), Balloni et al.

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