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Title:
LAMINATE PRODUCED FROM MULTILAYER POLYESTER FILM AND ALUMINUM SHEET, MANUFACTURING METHOD OF LAMINATE, AND BEVERAGE CAN CAP PRODUCED FROM LAMINATE
Document Type and Number:
Japanese Patent JP2021130310
Kind Code:
A
Abstract:
To provide a laminate of aluminum/bi-axially oriented multilayer polyester film capable of easily and cheaply producing easy opening cap of beverage cans.SOLUTION: An aluminum/multilayer biaxially oriented polyester film laminate, comprises: (M) an aluminum support; (C) at least one amorphous layer C containing at least one kind of co-polyester PET-G; (B) at least one crystalline layer B containing at least one kind of co-polyester PET-X and, in some cases, at least one kind of polyethylene terephthalate PET of at least one kind of polyester; (A) depending on the case, at least one layer A being the same with or different from the layer B, in this order, in which (i) a concentration of CHDM unit in the layer C is preferably between 22 and 33 mol%, and (ii) a melting point of the layer B is between 180 and 245°C.SELECTED DRAWING: Figure 1

Inventors:
FUJII HIDEKI
VALERIE LACRAMPE
AUDREY ULRICH SAINT-PIERRE
JULIEN FALDYSTA
PETER SPAHN
HEINRICH PRINZHORN
NICOLAS KAMP
Application Number:
JP2021088844A
Publication Date:
September 09, 2021
Filing Date:
May 27, 2021
Export Citation:
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Assignee:
TORAY FILMS EUROPE
NOVELIS INC
International Classes:
B32B15/09; B65D8/04
Domestic Patent References:
JP2012509785A2012-04-26
JP2003191416A2003-07-08
JP2002536209A2002-10-29
JP2003246007A2003-09-02
JPH10175279A1998-06-30
Foreign References:
US8808844B22014-08-19
WO2000046026A12000-08-10
KR100529482B12006-04-06
Attorney, Agent or Firm:
Osamu Yamamoto
Toru Miyamae
Junichi Matsuo
Toyoji Matsuda



 
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