B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/32 (2006.01)
Patent
CA 2182072
A multilayer laminate film comprising (A) a first layer comprising a propylene polymer and oriented in at least one direction, (B) a second layer comprising a propylene copolymer having a melting point lower than the melting point of the propylene polymer of the first layer, (C) a third layer comprising a polymer composition comprising a graft modified olefin polymer in which an unsaturated carboxylic acid or a derivative thereof is grafted, and (D) a fourth layer comprising an ethylene-vinyl alcohol copolymer, these four layers being laminated in the above order. The above multilayer laminate exhibits excellent interlaminar adhesion and has excellent heat resistance.
Kawachi Hideshi
Tanaka Haruhiko
Mitsui Chemicals Inc.
Smart & Biggar
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