Process for the production of a heat-sealable oriented multilaye

Details Process for the production of a heat-sealable oriented multilaye Process for the production of a heat-sealable oriented multilaye

1996-11-18

1998-03-03

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Extrusion molding

264483, 26417315, 26417319, 2642107, 2642358, 2642902, B29C 4706

Patent

active

057230889

ABSTRACT:
An oriented multilayer polyolefin film which includes a base layer containing polypropylene, and at least one heat-sealable outer layer. In one embodiment, the base layer contains a tertiary aliphatic amine and an amide of a water-insoluble carboxylic acid having 8 to 24 carbon atoms and the heat-sealable outer layer contains SiO.sub.2. The multilayer film is essentially free from silicone oil and is useful, for example, as a packaging film.

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