Title:
PLASTIC MATERIAL FOR PACKAGE
Document Type and Number:
Japanese Patent JP2005163052
Kind Code:
A
Abstract:
To provide a polymer composition having sealing property and strippable property at temperatures of a wide range.
The polymer composition comprises a final polymer blend containing 1-50 wt.% polystyrene and 99-50 wt.% ethylene copolymer and is obtained by melt-blending the polystyrene and the ethylene copolymer first and further mixing the obtained blend with the same ethylene copolymer by melt blending or dry blending. The ethylene copolymer is preferably ethylene-methyl(meth)acrylate, ethylene-ethyl(meth)acrylate, ethylene-butyl(meth)acrylate or ethylene-vinylacetate copolymer.
Inventors:
SAINIO MARKKU
SEPPAENEN HANNELI
LAIHO ERKKI
SEPPAENEN HANNELI
LAIHO ERKKI
Application Number:
JP2005018988A
Publication Date:
June 23, 2005
Filing Date:
January 26, 2005
Export Citation:
Assignee:
DU PONT
International Classes:
B32B27/28; B32B27/30; B65D77/20; C08J3/20; C08J5/18; B65D65/40; C08L23/08; C08L25/06; (IPC1-7): C08J3/20; B65D65/40; B65D77/20
Attorney, Agent or Firm:
Haruo Hamada