Title:
POLYESTER FILM, METHOD FOR PRODUCING SAME, BACKSHEET FOR SOLAR CELL, AND SOLAR CELL POWER GENERATION MODULE
Document Type and Number:
WIPO Patent Application WO/2012/102238
Kind Code:
A1
Abstract:
A method for producing a polyester film comprises: an extrusion step wherein polyester as a raw material is supplied to a venting type twin-screw extruder in which the inner diameter (D) of a cylinder is 140 mm to 300 mm inclusive, and under the conditions that an extrusion amount (Q) (kg/hr.) per unit time and a revolution number of screw (N) (rpm) satisfy the following formula (I), 0.01% to 5% of fluctuation is applied to the revolution number of screw (N) and a polyester sheet is melt-extruded; and a cooling/solidification step for cooling and solidifying the polyester sheet.
Inventors:
HASHIMOTO KIYOKAZU (JP)
YAMADA AKIRA (JP)
YAMADA AKIRA (JP)
Application Number:
PCT/JP2012/051350
Publication Date:
August 02, 2012
Filing Date:
January 23, 2012
Export Citation:
Assignee:
FUJIFILM CORP (JP)
HASHIMOTO KIYOKAZU (JP)
YAMADA AKIRA (JP)
HASHIMOTO KIYOKAZU (JP)
YAMADA AKIRA (JP)
International Classes:
B29C48/395; B29C48/405; B29C48/41; B29C48/92; B29C55/14; C08G63/183; C08J5/18; C08L67/02; H01L31/042; B29K67/00; B29L7/00
Foreign References:
| JP2010167767A | 2010-08-05 | |||
| JP2010083142A | 2010-04-15 | |||
| JP2009084311A | 2009-04-23 | |||
| JPH1095042A | 1998-04-14 |
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
Nakajima 淳 (JP)
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Claims: