Title:
METHOD AND APPARATUS FOR PRODUCING SODIUM CARBOXY METHYL CELLULOSE
Document Type and Number:
Japanese Patent JPS63199701
Kind Code:
A
Abstract:
The invention relates to a method and an equipment for preparing NaCMC, in which a) cellulose is slushed in the reaction medium until a consistency of c. 5-15%, preferably 5-10%, b) the fibre suspension obtained in step a) is thickened to a consistency of c. 20-35% and c) the pulp containing reaction medium obtained in the second step is homogenized by means of a frota-pulper in order to increase the reactivity, whereby a mercerization activating the cellulose is carried out after step b) and/or c), and the cellulose thus pretreated is etherified in a manner known per se.
Inventors:
KARI EDERUMAN
TORUSUTEN RINDOROOSU
TORUSUTEN RINDOROOSU
Application Number:
JP1568788A
Publication Date:
August 18, 1988
Filing Date:
January 26, 1988
Export Citation:
Assignee:
METOSE SERURA OY
International Classes:
C08B11/12; C08B17/06; (IPC1-7): C08B11/12
Attorney, Agent or Firm:
Mikio Murata