Document Type and Number:
Japanese Patent JP3428212
PURPOSE: To develop a multilayer film which has dirt impact strength, moistureproofness and low-temperature heat sealability.
CONSTITUTION: A multilayer film comprises an intermediate layer made of propylene resin composition containing 1 to 95wt.% of polypropylene, 10 to 90mol% of ethylene content and 5 to 99wt.% of ethylene-propylene random copolymer and having 10μm of amorphous rubber particle size, an outer layer made of high-density polyethylene having a density of 0.935g/cm3 or more, and an inner layer made of low-density polyethylene having a density of 0.935g/cm3 or less.
May 16, 2003
March 07, 1995
SHOWA DENKO KK
B32B27/00; B32B27/32; C08L23/10; C08L23/12; C08L23/16; B32B27/00; B32B27/32; C08L23/00; (IPC1-7): B32B27/32