Title:
GAS BARRIER LAMINATE
Document Type and Number:
Japanese Patent JP2700592
Kind Code:
B2
Abstract:
PURPOSE: To provide a gas barrier laminate having high durability and a long life.
CONSTITUTION: A barrier laminate 4 contains a composite layer wherein shield layers (B) composed of an ethylene-vinyl alcohol copolymer are integrally formed on both upper and rear surfaces of an elastic center layer (A) based on a polyamide resin, and elastic layers (C) based on a polyamide resin are integrally laminated on the layers (B) as a film forming element and the thicknesses of the layers (A), (B), (C) satisfy the equation (1) (C)/(B)≥1.0 and equation (2) 0.1≤(A)/(B)≤3.5.
Inventors:
Takamatsu Shigeaki
Kimihiro Murakami
Kimihiro Murakami
Application Number:
JP13273892A
Publication Date:
January 21, 1998
Filing Date:
May 25, 1992
Export Citation:
Assignee:
Tokai Rubber Industry Co., Ltd.
International Classes:
B32B25/08; B32B27/28; B32B27/34; F16J3/02; (IPC1-7): B32B27/28; B32B25/08; B32B27/34; F16J3/02
Attorney, Agent or Firm:
Nishihiko Yasuhiko
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