Laminated film or sheet and box-shaped vessel prepared...

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

B - Operations, Transporting

32

B

B32B 27/10 (2006.01) B32B 27/32 (2006.01) B65D 81/34 (2006.01) D21H 19/22 (2006.01) B32B 31/30 (2000.01)

Patent

CA 2311753

Disclosed are a box-shaped vessel prepared from a laminated film or sheet having at least two layers, one of which is (A) an inner layer made of poly-4-methyl-1-pentene having a melting point of 190 to 230°C and the other is (B) an outer layer made of paper and a box-shaped vessel and a release paper for an artificial leather prepared from this laminated film or sheet. 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.

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