MOISTURE RETAINING PARTICLE AND METHOD FOR PRODUCING THE SAME

Title:

MOISTURE RETAINING PARTICLE AND METHOD FOR PRODUCING THE SAME

Document Type and Number:

Japanese Patent JP2018002879

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a moisture retaining particle that has a low environmental load and a high stability.SOLUTION: The moisture retaining particle is obtained by oxidizing the carbon and hydroxyl groups at the 6-position of particulate polysaccharide using a nitroxy radical or a nitroxy radical derivative as a catalyst and introducing a carboxy group only at the 6-position of the polysaccharide. Preferably hypochlorite is used as an oxidizing agent for oxidizing carbon and hydroxyl groups of the polysaccharide. In the moisture retaining particle, also, the total amount of the carboxy group is preferably in the range of 0.10 mmol/g to 2.00 mmol/g.SELECTED DRAWING: Figure 1

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Inventors:

SHIROSAKI TOMOHIRO
NAGAOKA SHOJI
HORIKAWA MAKI
RYU NAOYA
IHARA HIROTAKA
TAKATO MAKOTO

Application Number:

JP2016131615A

Publication Date:

January 11, 2018

Filing Date:

July 01, 2016

Export Citation:

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Assignee:

SHIROSAKI TOMOHIRO
UNIV KUMAMOTO

International Classes:

C08B15/04

Attorney, Agent or Firm:

Hisao Nagaga

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