Title:
二次電池用包装材料
Document Type and Number:
Japanese Patent JP4831268
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a packaging material excellent in gas barrier properties of steam and other gas as a sheet to be used for a case for housing a polymer battery or the like, having mechanical strength inclusive of thrust resistance or the like, usable at high temp. and stable against an electrolyte. SOLUTION: In a laminate 10 consisting of at least an outermost layer 11, a barrier layer 12 and an innermost layer 15, a protective layer 13 with a thickness of 0.5-30 μm comprising a resin containing 30% or more of at least one polymer such as epoxy, phenol, melamine, polyimide, unsaturated polyester, polyurethane, alkyd, unsaturated carboxylic acid grafted polyolefin, copolyester such as polyethylene terephthalate or polybutylene terephthalate, an ionomer, an ethylene/vinyl acetate copolymer, an ethylene/acrylic acid/methacrylic acid deriv. copolymer, polyether or modified substances of them is formed to the surface on the side of the innermost layer 15 of the barrier layer 12.
Inventors:
Takanori Yamashita
Kazuki Yamada
Yuichi Hirai
Yoichi Mochizuki
Rikiya Yamashita
Kazuki Yamada
Yuichi Hirai
Yoichi Mochizuki
Rikiya Yamashita
Application Number:
JP14568799A
Publication Date:
December 07, 2011
Filing Date:
May 25, 1999
Export Citation:
Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
B32B27/00; B32B27/28; C09J7/02; C09J123/00; C09J123/26; C09J131/04; C09J151/06; H01M2/02
Domestic Patent References:
| JP4058146B2 | ||||
| JP10208708A | ||||
| JP9316422A | ||||
| JP11067168A | ||||
| JP11086841A |
Attorney, Agent or Firm:
Satoshi Kanayama