Laminated film or sheet and box-shaped vessel prepared therefrom

Details Laminated film or sheet and box-shaped vessel prepared therefrom Laminated film or sheet and box-shaped vessel prepared therefrom

1992-04-23

1996-01-02

Nold, Charles R.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Weight per unit area specified

428213, 428511, 428512, 428513, 428516, 428517, 4285375, 428 343, 428 352, 428 359, 428481, 428483, 2065242, 220415, 220418, B32B 712, B32B 2708

Patent

active

054807182

ABSTRACT:
Disclosed is a laminated film or sheet comprising poly-4-methyl-1-pentene laminated on a paper layer. By using poly-4-methyl-1-pentene having a low melting point, formation of cracks and other defects in the resin layer is prevented and the oil and fat impermeability is improved. If an intermediate layer of a specific polymer is formed in addition to the poly-4-methyl-1-pentene layer, the oil and fat impermeability is further improved. A box-shaped vessel (carton) and a release paper for an artificial leather can be prepared from this laminated film or sheet.

REFERENCES:
patent: 4546150 (1985-10-01), Shigemoto
patent: 4988558 (1991-01-01), Shigemoto
patent: 5077123 (1991-12-01), Shigemoto et al.

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