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
NEOGI AMAR N
DODD ANDREW J
WEERAWARNA S ANANDA
Application Number:
JP2005376884A
Publication Date:
July 20, 2006
Filing Date:
December 28, 2005
Export Citation:
Assignee:
WEYERHAEUSER CO
International Classes:
C08B11/12
Domestic Patent References:
JP2005504135A | 2005-02-10 | |||
JPH0625303A | 1994-02-01 | |||
JPS5242583A | 1977-04-02 | |||
JP2002256001A | 2002-09-11 | |||
JPH09504331A | 1997-04-28 | |||
JPH09510754A | 1997-10-28 | |||
JP2002533587A | 2002-10-08 |
Foreign References:
WO2003018072A2 | 2003-03-06 |
Attorney, Agent or Firm:
Kazuo Shamoto
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Mitsutoshi Nakamura
Shinjiro Ono
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Mitsutoshi Nakamura