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Title:
MANUFACTURING METHOD OF CELLULOSE ACYLATE FILM, CELLULOSE ACYLATE FILM MANUFACTURED BY USING IT AND OPTICAL COMPENSATION FILM FOR LIQUID CRYSTAL DISPLAY PANEL
Document Type and Number:
Japanese Patent JP2006334840
Kind Code:
A
Abstract:

To provide a manufacturing method of a cellulose acylate film capable of improving processability at the time of extrusion processing and capable of enhancing the heat resistance of the film after manufacture.

A cellulose acylate resin is melted in a single screw extruder 22 and extruded from a die 24 not only to form the cellulose acylate film 12 but also to set the moisture content of the cellulose acylate resin at the time of extrusion processing to 0.02-2.0 mass%.


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Inventors:
FUJITA AKIHIDE
OTOSHI MASAAKI
NAKAI SHINICHI
Application Number:
JP2005160001A
Publication Date:
December 14, 2006
Filing Date:
May 31, 2005
Export Citation:
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Assignee:
FUJIFILM HOLDINGS CORP
International Classes:
B29C48/305; C08J5/18; C08K5/00; C08L1/12; G02B5/30; B29K1/00; B29L7/00
Attorney, Agent or Firm:
Kenzo Matsuura



 
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