Polyolefin-based laminated film

Details Polyolefin-based laminated film Polyolefin-based laminated film

1996-03-18

1997-12-16

Zirker, Daniel

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428516, 428461, 428354, B32B 712

Patent

active

056983174

ABSTRACT:
A polyolefin-based laminate film including at least 4 layers which includes a polyolefin-based resin layer; a polyolefin-based mixed resin layer formed on one surface of the polyolefin-based resin layer of which surface is treated by a discharge treatment, the polyolefin-based mixed resin layer containing at least one of petroleum resins and terpene resins in an amount of 5-30% by weight; a vapor deposited metal layer formed on the discharging-treated surface of the polyolefin-based mixed resin layer; and a heat seal layer formed on the surface of the polyolefin-based resin film opposite the surface on which the polyolefin-based mixed resin layer is formed. The laminate film has excellent moisture-proof and gas-barrier properties, and the rejection rate due to blocking in the production process is low.

REFERENCES:
patent: 4668575 (1987-05-01), Schinkel et al.
patent: 5252384 (1993-10-01), Bothe et al.
patent: 5436041 (1995-07-01), Murschall et al.
patent: 5492757 (1996-02-01), Schuhmann et al.

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