Title:
BIODEGRADABLE LAMINATED SHEETLIKE ARTICLE
Document Type and Number:
Japanese Patent JP3902371
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a biodegradable laminated sheetlike article having good barrier properties of steam or gas, excellent in heat sealability and generating no environmental problem.
SOLUTION: A biodegradable laminated sheetlike article has a biaxially stretched sheetlike article A based on a polylactic acid type polymer on one surface side of an aluminum layer and a biaxially stretced sheetlike article B based on a polylactic acid type polymer on the other surface side thereof and the difference between the melting point of the biaxially stretched sheet like article A and that of the biaxially stretched sheetlike article B is 10°C or higher.
Inventors:
Shigenori Terada
Jun Takagi
Jun Takagi
Application Number:
JP2000014663A
Publication Date:
April 04, 2007
Filing Date:
January 24, 2000
Export Citation:
Assignee:
Mitsubishi Plastics Co., Ltd.
International Classes:
B32B15/08; B32B27/36; C08L67/04; C08L101/16; (IPC1-7): B32B15/08; B32B27/36; C08L67/04
Domestic Patent References:
| JP7290645A | ||||
| JP10151715A | ||||
| JP8073628A | ||||
| JP8323946A |
Attorney, Agent or Firm:
Yumiko Oshima