Laminated polyolefin films and methods of production thereof...

Details Laminated polyolefin films and methods of production thereof... Laminated polyolefin films and methods of production thereof...

2005-10-25

2005-10-25

Nakarani, D. S. (Department: 1773)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C264S173140, C264S211000, C428S515000, C428S922000

Reexamination Certificate

active

06958193

ABSTRACT:
A laminated polyolefin film with two or more layers is produced by coextrusion. An outer-layer forming material is prepared by with olefin resin containing specified kinds of non-ionic surfactant and salt of organic sulfonic acid in a specified amount and at a specified ratio. In the production of the laminated polyolefin film by coextrusion, this outer-layer forming material is used to form either one or both of the outer layers if the laminated film is to have three or more layers and to form only one of the outer layers if the laminated film is to have only two layers.

REFERENCES:
patent: 5110639 (1992-05-01), Akao

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