Title:
ADDITIVE FOR SOIL IMPROVEMENT CEMENT COMPOSITION, SOIL IMPROVEMENT CEMENT COMPOSITION, SOIL IMPROVEMENT BODY AND SOIL IMPROVEMENT METHOD
Document Type and Number:
Japanese Patent JP2022014686
Kind Code:
A
Abstract:
To provide an additive for a soil improvement cement composition that can shorten the kneading time of soil cement.SOLUTION: An additive for a soil improvement cement composition contains: a copolymer having a constitutional unit derived from a sulfonic acid (salt) group-containing monomer of a specific vinyl ether, propenyl ether, or butenyl ether and a constitutional unit derived from a carboxylic acid (salt) group-containing monomer; and a carbonate and/or bicarbonate. The total content of the carbonate and bicarbonate is 0.5-30 times the mass of the copolymer.SELECTED DRAWING: None
Inventors:
YOKOYAMA YUYA
Application Number:
JP2020117172A
Publication Date:
January 20, 2022
Filing Date:
July 07, 2020
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND
International Classes:
C09K17/22; C04B24/26; C04B28/02; C08F216/12; C08F220/04; C08F220/38; C09K17/02; E02D3/12
Attorney, Agent or Firm:
Patent Business Corporation Yasutomi International Patent Office