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

154/133, 154/87,

B32B 27/10 (2006.01) B32B 27/32 (2006.01) B65D 65/40 (2006.01) D21H 19/22 (2006.01)

Patent

CA 2014460

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.

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