Title:
METHOD FOR PRODUCING ALKALI CELLULOSE AND CELLULOSE ETHER
Document Type and Number:
Japanese Patent JP2007197682
Kind Code:
A
Abstract:
To provide a method for producing an alkali cellulose having a uniform distribution of the alkali in the alkali cellulose in a good efficiency.
This alkali cellulose is continuously produced by bringing pulp into contact with alkali metal hydroxide solution continuously and then draining with a centrifugal separator, and cellulose ether is produced by etherifying the same.
COPYRIGHT: (C)2007,JPO&INPIT
Inventors:
NARITA MITSUO
TABATA MASAKI
YOSHIDA ATSUSHI
UMEZAWA HIROSHI
TABATA MASAKI
YOSHIDA ATSUSHI
UMEZAWA HIROSHI
Application Number:
JP2006332453A
Publication Date:
August 09, 2007
Filing Date:
December 08, 2006
Export Citation:
Assignee:
SHINETSU CHEMICAL CO
International Classes:
C08B1/08; C08B1/10; C08B11/00
Domestic Patent References:
JP2002003501A | 2002-01-09 | |||
JP2002256001A | 2002-09-11 | |||
JP2001002701A | 2001-01-09 | |||
JP2001518127A | 2001-10-09 |
Foreign References:
US3388082A | 1968-06-11 | |||
GB713646A | 1954-08-18 | |||
GB229678A | 1926-05-18 |
Attorney, Agent or Firm:
Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo
Hidefumi Kawamura
Arihara Koichi
Matsushima Tetsuo
Hidefumi Kawamura