Title:
CEMENT ADMIXTURE COMPOSITION
Document Type and Number:
Japanese Patent JP2021095328
Kind Code:
A
Abstract:
To provide a cement admixture composition capable of exhibiting fluidity retention and material separation resistance sufficiently.SOLUTION: A cement admixture composition comprises a phosphoric acid-based condensate (A), a methacrylate-based copolymer (B), and a methacrylate-based copolymer (C), wherein the phosphoric acid-based condensate (A) has: a structural unit (a1) derived from a monomer (A1) having a (poly)alkylene glycol chain, an aromatic group and/or a heterocyclic aromatic group; a structural unit (a2) derived from a monomer (A2) having a phosphoric acid (phosphate) and/or a phosphoric ester group and an aromatic group; and a structural unit (a3) derived from an aldehyde compound (A3).SELECTED DRAWING: None
Inventors:
YAMASHITA AKIHIKO
Application Number:
JP2020201053A
Publication Date:
June 24, 2021
Filing Date:
December 03, 2020
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND
International Classes:
C04B24/30; C04B22/16; C04B24/00; C04B24/26; C04B28/02; C08F220/06; C08F220/28; C08F290/06; C08G79/02
Attorney, Agent or Firm:
Atomi International Patent Office