Title:
POLYESTER FILM
Document Type and Number:
WIPO Patent Application WO/2017/022742
Kind Code:
A1
Abstract:
A polyester film having at least 15% thermal shrinkage at 150°C in the primary shrinkage direction, less than 15% thermal shrinkage at 150°C in a direction orthogonal to the primary shrinkage direction, and no more than 14% thermal shrinkage at 90°C in the primary shrinkage direction; and a polyester film having at least 15% thermal shrinkage at 150°C in the primary shrinkage direction, less than 15% thermal shrinkage at 150°C in a direction orthogonal to the primary shrinkage direction, and a glass transition temperature of at least 100°C obtained by temperature-modulated DSC. A polyester film having little or no shrinkage at 90°C being the processing temperature for the coating step and drying step, etc., and having great shrinkage at the shrinkage step temperature.
Inventors:
IIDA TOSHIYUKI (JP)
HAYASHI DAISUKE (JP)
MURAKAMI NAO (JP)
SHIOMI ATSUSHI (JP)
MANABE ISAO (JP)
SAKAMOTO MITSUTAKA (JP)
TAKADA YASUSHI (JP)
HAYASHI DAISUKE (JP)
MURAKAMI NAO (JP)
SHIOMI ATSUSHI (JP)
MANABE ISAO (JP)
SAKAMOTO MITSUTAKA (JP)
TAKADA YASUSHI (JP)
Application Number:
PCT/JP2016/072608
Publication Date:
February 09, 2017
Filing Date:
August 02, 2016
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
TORAY INDUSTRIES (JP)
TORAY INDUSTRIES (JP)
International Classes:
B29C61/02; C08J5/18
Foreign References:
JP2009160921A | 2009-07-23 | |||
JPH08244114A | 1996-09-24 | |||
JPH0627885A | 1994-02-04 | |||
JPS6256117A | 1987-03-11 |
Attorney, Agent or Firm:
BAN Toshimitsu et al. (JP)
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