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Title:
METHOD FOR PRODUCING CARBOXYALKYLCELLULOSE
Document Type and Number:
Japanese Patent JP2006188698
Kind Code:
A
Abstract:

To provide a method for producing a carboxyalkylcellulose.

A carboxyalkylcellulose having a carboxy substitution degree of 0.4-1.4 is produced by treating a pulp having a kappa value of 1-65 with a carboxyalkylating agent. A crosslinked carboxyalkylcellulose is produced by crosslinking the obtained carboxyalkylcellulose.


Inventors:
LUO MENGKUI
NEOGI AMAR N
DODD ANDREW J
WEERAWARNA S ANANDA
Application Number:
JP2005376884A
Publication Date:
July 20, 2006
Filing Date:
December 28, 2005
Export Citation:
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Assignee:
WEYERHAEUSER CO
International Classes:
C08B11/12
Domestic Patent References:
JP2005504135A2005-02-10
JPH0625303A1994-02-01
JPS5242583A1977-04-02
JP2002256001A2002-09-11
JPH09504331A1997-04-28
JPH09510754A1997-10-28
JP2002533587A2002-10-08
Foreign References:
WO2003018072A22003-03-06
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Mitsutoshi Nakamura



 
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