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Title:
RESIN COMPOSITION, MULTILAYERED STRUCTURE AND MULTILAYERED PACKAGE
Document Type and Number:
Japanese Patent JPH09255865
Kind Code:
A
Abstract:

To provide a food packaging, especially a multilayered package, having hot water resistance while retaining excellent gas barrier properties at a low humidity, hardly leaving the rewhitening in contact with water or at a high humidity during preservation and further deteriorating the gas barrier properties due to the retorting and useful for packaging a retort food.

This multilayered package has (1) a resin outer layer having ≥40g/m2.day moisture permeability (a value measured at 40°C and 90% RH), (2) a resin composition layer comprising (A) 97-50wt.% polyvinyl alcohol prepared by reducing a carbon monoxide-ethylene copolymer and (B) 3-50wt.% polyamide and (3) a resin inner layer having ≤20g/m2.day moisture permeability (a value measured at 40°C and 90% RH).


Inventors:
TOKOO MAKIO
Application Number:
JP6992196A
Publication Date:
September 30, 1997
Filing Date:
March 26, 1996
Export Citation:
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Assignee:
KURARAY CO
International Classes:
B32B27/00; B32B27/34; C08L73/00; (IPC1-7): C08L73/00; B32B27/00; B32B27/34