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Patent Searching and Data


Title:
CELLULOSE ESTER, METHOD FOR PRODUCING CELLULOSE ESTER, AND OPTICAL FILM CONTAINING THE CELLULOSE ESTER
Document Type and Number:
Japanese Patent JP2012097218
Kind Code:
A
Abstract:

To provide a method for producing a cellulose ester in which the content of gel-like foreign matters is extremely low, a cellulose ester produced using the method, also provide an optical film containing the cellulose ester.

This method for producing the cellulose ester is characterized by including a step of precipitating the cellulose ester by mixing a cellulose ester solution, containing a good solvent and a ketone-based or ether-based solvent as an organic solvent, with a poor solvent.


Inventors:
NAKAHARA KAZUNARI
FUKUSAKA KIYOSHI
Application Number:
JP2010247263A
Publication Date:
May 24, 2012
Filing Date:
November 04, 2010
Export Citation:
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Assignee:
KONICA MINOLTA OPTO INC
International Classes:
C08B3/16