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Patent Searching and Data


Title:
PRODUCTION OF CARBOXYMETHYL CELLULOSE ALKALI SALT
Document Type and Number:
Japanese Patent JP2000119303
Kind Code:
A
Abstract:

To obtain a carboxymethyl cellulose salt for providing an aqueous solution of a carboxymethyl cellulose alkali salt having low viscosity and excellent fluidity.

In this method for producing a carboxymethyl cellulose alkali salt by making a raw material cellulose into an alkali cellulose and etherifying the alkali cellulose with an etherifying agent, hydrogen peroxide and(or) a hydrogen peroxide salt is added together with the etherifying agent to the reaction system to produce the carboxymethyl cellulose alkali salt.


Inventors:
Sato, Keiichi
Furukawa, Masako
Application Number:
JP1998000298858
Publication Date:
April 25, 2000
Filing Date:
October 20, 1998
Export Citation:
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Assignee:
DAI ICHI KOGYO SEIYAKU CO LTD
International Classes:
C08B11/12; C08L1/08; C08B11/00; C08L1/00; (IPC1-7): C08B11/12; C08L1/08