Title:
水溶性ポリサッカライドの脱重合
Document Type and Number:
Japanese Patent JP2006507373
Kind Code:
A
Abstract:
Process for preparing a solution of a polysaccharide or polysaccharide ether having a viscosity of 1,000 mPa.s or less comprising adding to an aqueous medium a polysaccharide or polysaccharide ether and an alkaline depolymerization agent. Also disclosed is a solid composition comprising a polysaccharide ether and an alkaline depolymerization agent. Preferably, the depolymerization agent is selected from the group consisting of sodium percarbonate, sodium perborate, carbamide peroxide in combination with a base, sodium persulfate in combination with a base, 3-chloroperoxybenzoic acid in combination with a base, and mixtures thereof.
Inventors:
Dewitt, Paulus, Pieter
Application Number:
JP2004520521A
Publication Date:
March 02, 2006
Filing Date:
July 07, 2003
Export Citation:
Assignee:
Akzo Nobel N.V.
International Classes:
C08L1/08; C08B11/12; C08B11/20; C08B15/02; C08K3/38; C08K5/00; C08K5/14; C08L1/26
Attorney, Agent or Firm:
Mitsuo Matsui