Title:
低熱収縮を示すポリエステルフィルムの製造プロセス
Document Type and Number:
Japanese Patent JP2009525895
Kind Code:
A
Abstract:
A process in which a wound roll of biaxially oriented polyester film having a glass transition temperature (Tg (°C)) is annealed at a temperature T a (°C) above Tg where Tg < T a ¤ Tg + 100 (°C) for a time t after thermal equilibrium where 1 hour ¤ t ¤ 72 hours and cooled, for the purpose of improving the shrinkage of said polyester film.
Inventors:
Duncan Henry McCarron
Katsuyuki Hashimoto
Katsuyuki Hashimoto
Application Number:
JP2008553831A
Publication Date:
July 16, 2009
Filing Date:
February 09, 2007
Export Citation:
Assignee:
DuPont Teijin Films U.S. Limited Partnership
International Classes:
B29C55/12; B32B27/36; C08J7/043; C08J7/046; B29K67/00; B29L7/00; B29L9/00
Domestic Patent References:
| JPS62127229A | 1987-06-09 | |||
| JPH10509529A | 1998-09-14 | |||
| JPH07314932A | 1995-12-05 | |||
| JPH10321076A | 1998-12-04 | |||
| JPH0980685A | 1997-03-28 | |||
| JPH08134231A | 1996-05-28 | |||
| JPH0254254A | 1990-02-23 | |||
| JPS6174828A | 1986-04-17 | |||
| JPS62101421A | 1987-05-11 | |||
| JPH07299863A | 1995-11-14 | |||
| JP2003521556A | 2003-07-15 | |||
| JP2002317151A | 2002-10-31 | |||
| JP2005041205A | 2005-02-17 | |||
| JPH08244035A | 1996-09-24 | |||
| JPH08302040A | 1996-11-19 | |||
| JP2005521193A | 2005-07-14 | |||
| JPH08146558A | 1996-06-07 |
Foreign References:
| WO2000005079A1 | 2000-02-03 | |||
| EP2001657A1 | 2008-12-17 | |||
| WO1999037466A1 | 1999-07-29 |
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe