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Patent Searching and Data


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)
Application Number:
PCT/JP2016/072608
Publication Date:
February 09, 2017
Filing Date:
August 02, 2016
Export Citation:
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Assignee:
NITTO DENKO CORP (JP)
TORAY INDUSTRIES (JP)
International Classes:
B29C61/02; C08J5/18
Foreign References:
JP2009160921A2009-07-23
JPH08244114A1996-09-24
JPH0627885A1994-02-04
JPS6256117A1987-03-11
Attorney, Agent or Firm:
BAN Toshimitsu et al. (JP)
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