Title:
POWDERY DISPERSANT COMPOSITION FOR HYDRAULIC COMPOSITION
Document Type and Number:
Japanese Patent JP2023081563
Kind Code:
A
Abstract:
To provide a powdery dispersant composition for a hydraulic composition which is excellent in heat resistance.SOLUTION: The powdery dispersant composition for a hydraulic composition contains a copolymer including, as constituent monomers, (A) one or more compounds selected from acrylic acid, methacrylic acid, fumaric acid, maleic anhydride, and maleic acid, and (B) one or more compounds selected from compounds represented by specific methacrylic acid ester compounds and specific acrylic acid ester compounds, and optionally an alkaline agent, in which a degree of neutralization of the copolymer is 0.7 or more and 1 or less, and the alkaline agent content is 0.3 molar equivalent or less with respect to the copolymer.SELECTED DRAWING: None
Inventors:
SHIMADA KOHEI
SAGAWA KEIICHIRO
SAGAWA KEIICHIRO
Application Number:
JP2021195366A
Publication Date:
June 13, 2023
Filing Date:
December 01, 2021
Export Citation:
Assignee:
KAO CORP
International Classes:
C04B22/06; C04B24/26; C09K23/52
Attorney, Agent or Firm:
Satoshi Furuya
Yoshitsune Kazumasa
Yoshitsune Kazumasa