Title:
POLYESTER FILM AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2004224051
Kind Code:
A
Abstract:
To provide a biaxially oriented polyester film having excellent gas barrier properties, especially excellent oxygen gas barrier properties.
This biaxially oriented polyester film comprises a base layer B and the gas barrier layer D laminated on at least the one side of the base layer B. The base layer B contains poly(m-xyleneadipamide). The gas barrier layer D comprises a base material on which those layers are formed and a copolymer having a maleic acid unit and an acrylic acid unit.
Inventors:
KLEIN OLIVER
PEIFFER HERBERT DR
HILKERT GOTTFRIED
PEIFFER HERBERT DR
HILKERT GOTTFRIED
Application Number:
JP2004010881A
Publication Date:
August 12, 2004
Filing Date:
January 19, 2004
Export Citation:
Assignee:
MITSUBISHI POLYESTER FILM GMBH
International Classes:
B65D65/40; B32B27/08; B32B27/30; B32B27/34; B32B27/36; (IPC1-7): B32B27/36; B65D65/40
Attorney, Agent or Firm:
Kazuhiko Okada