Title:
LAMINATED POLYESTER FILM
Document Type and Number:
WIPO Patent Application WO/2017/115736
Kind Code:
A1
Abstract:
Provided is a laminated polyester film having excellent mechanical properties, transparency, and heat resistance, and having particularly excellent gas barrier characteristics. This laminated polyester film comprises a polyester film and a thin film layer including an inorganic compound as a main component, the laminated polyester film being characterized in that: the polyester film is a biaxially oriented polyester film that comprises a dicarboxylic acid component including furandicarboxylic acid as a main component, and a glycol component including ethylene glycol as a main component; the thin film layer is provided on at least one surface of said polyester film; the inorganic compound is aluminum oxide and/or silicon oxide; and the laminated polyester film has a planar orientation coefficient ΔP of from 0.005 to 0.200 inclusive, a thickness of from 1 µm to 300 µm inclusive, and an oxygen permeation rate of from 0.1 mL/m2/day/MPa to 80 mL/m2/day/MPa inclusive at a temperature of 23°C and a humidity of 65%.
Inventors:
INAGAKI JUN (JP)
NUMATA YUKIHIRO (JP)
VAN BERKEL JESPER GABRIEL (NL)
NUMATA YUKIHIRO (JP)
VAN BERKEL JESPER GABRIEL (NL)
Application Number:
PCT/JP2016/088617
Publication Date:
July 06, 2017
Filing Date:
December 26, 2016
Export Citation:
Assignee:
TOYO BOSEKI (JP)
FURANIX TECHNOLOGIES BV (NL)
FURANIX TECHNOLOGIES BV (NL)
International Classes:
B32B9/00; B29C55/12; B32B27/36; C08G63/16; C08J7/043; C08J7/048; B29K67/00; B29L9/00
Domestic Patent References:
WO2014100265A1 | 2014-06-26 |
Foreign References:
JP2003200546A | 2003-07-15 | |||
JP2012229395A | 2012-11-22 | |||
JPH1110725A | 1999-01-19 | |||
JP2015506389A | 2015-03-02 | |||
JP2012096469A | 2012-05-24 |
Other References:
See also references of EP 3398768A4
Attorney, Agent or Firm:
UEKI, Kyuichi et al. (JP)
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