Multilayered film

Details Multilayered film Multilayered film

B - Operations, Transporting

32

B

B32B 7/12 (2006.01) B29C 47/06 (2006.01) B29C 55/00 (2006.01) B29C 55/04 (2006.01) B32B 27/00 (2006.01) C08L 23/08 (2006.01) C08L 29/04 (2006.01)

Patent

CA 2283989

The multilayered film of the present invention is formed by stretching a multilayered structure to 7 to 12 times larger at least in one direction. The multilayered structure is formed by laminating a resin composition (A) layer and a polypropylene (C) layer via an adhesive resin (B) layer. The resin composition (A) comprises two ethylene-vinyl alcohol copolymers (a1) and (a2) having different melting points and satisfies the following formulae (1) to (3): 150 ~ MP (a1) ~ 172 (1) 162 ~ MP (a2) ~ 180 (2) 4 ~ {MP (a2) -MP (a1) }~ 30 (3) where MP(a1) represents the melting point (°C) of the ethylene-vinyl alcohol copolymer (a1) measured by a differential scanning calorimeter (DSC) , and NIP (a2) represents the melting point (°C) of the ethylene-vinyl alcohol copolymer (a2) measured by a differential scanning calorimeter (DSC).

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