Film having low permeability to hydrocarbons

Details Film having low permeability to hydrocarbons Film having low permeability to hydrocarbons

1997-01-22

2000-07-11

Buttner, David

Stock material or miscellaneous articles

Composite

Of polyamide

4284769, 525 66, 525179, B32B 2734, B32B 2732, C08L 6700

Patent

active

060870206

ABSTRACT:
The invention provides a film having low permeability to hydrocarbons comprising at least one layer (i) formed of a polyamide/polyolefin alloy having a polyamide matrix and at least one layer (ii) formed of a polyolefin. The invention also provides a release film for a sheet molding compound consisting of said film, as well as a packaging for expandable polystyrene formed of said film.

REFERENCES:
patent: 4444829 (1984-04-01), Bollen
patent: 4588648 (1986-05-01), Krueger
patent: 5106692 (1992-04-01), Shigemoto
patent: 5114765 (1992-05-01), Inada

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