Title:
MANUFACTURING METHOD FOR POLYESTER FILM, POLYESTER FILM, PROTECTIVE SHEET FOR SOLAR CELL, AND SOLAR CELL MODULE
Document Type and Number:
WIPO Patent Application WO/2014/021323
Kind Code:
A1
Abstract:
A starting material, which comprises: 5 to 50 parts by mass of a recycle polyester material in which a first carbodiimide compound is deactivated by bringing an inert gas or air with a dew point of -25°C or below and an isocyanate concentration of 0.01 ppm to 100 ppm into contact with a recycle polyester material including the first carbodiimide compound and then performing drying; 50 to 95 parts by mass of a polyester resin; and a second carbodiimide compound, is subjected to melt extrusion which involves performing melt-kneading and extruding a molten resin using an extruder, and then moulding is performed in order to form a film shape, and accordingly a polyester film having the total content of a carbodiimide compound of 0.1 to 2.0 mass% is formed.
Inventors:
KUWABARA TAKAYOSHI (JP)
Application Number:
PCT/JP2013/070616
Publication Date:
February 06, 2014
Filing Date:
July 30, 2013
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
C08J5/18; B29C48/305; C08J11/04; H01L31/042; B29K67/00; B29L7/00; C08K5/29; C08L67/00
Domestic Patent References:
| WO2013015041A1 | 2013-01-31 |
Foreign References:
| JP2010235824A | 2010-10-21 |
Attorney, Agent or Firm:
NAKAJIMA, Jun et al. (JP)
Nakajima 淳 (JP)
Nakajima 淳 (JP)
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