Non-sealable polypropylene multi-layer film

Details Non-sealable polypropylene multi-layer film Non-sealable polypropylene multi-layer film

1987-10-23

1990-03-27

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Nonself-supporting tubular film or bag

428215, 428516, 428910, 428447, 428448, 2641761, 15624411, B29D 2200

Patent

active

049120913

ABSTRACT:
An on-sealable, biaxially oriented, transparent multi-layer film is disclosed comprising a base layer, two intermediate layers separated from each other by this base layer and two covering layers, one covering layer each being arranged on top of an intermediate layer, the intermediate layers containing a combination of additives comprising a long-chain aliphatic amine and an inorganic pigment and the covering layers containing, in each case, a polydialkylsiloxane. A process for the production of the multi-layer film and its use are also disclosed.

REFERENCES:
patent: 4419411 (1983-12-01), Park
patent: 4578316 (1986-03-01), Clauson et al.
patent: 4590125 (1986-05-01), Balloni et al.
patent: 4652489 (1987-03-01), Crass et al.
patent: 4720420 (1988-01-01), Crass et al.
patent: 4725466 (1988-02-01), Crass et al.
patent: 4734318 (1988-03-01), Crass et al.

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