Title:
水硬性組成物用添加剤およびコンクリート組成物
Document Type and Number:
Japanese Patent JP6649811
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an additive for hydraulic composition which can sufficiently exhibit a long-term curability improvement effect of a hydraulic composition containing hydraulic cement and can reduce an addition amount of a cement admixture such as a polycarboxylic-based copolymer, and to provide a concrete composition containing the additive for hydraulic composition.SOLUTION: An additive for hydraulic composition being an additive for hydraulic composition containing hydraulic cement contains a hydraulic material dispersant containing a polycarboxylic-based copolymer containing a structural unit (I) derived from a specific unsaturated polyalkylene glycol-based monomer (a) and a structural unit (II) derived from a specific unsaturated carboxylic-based monomer (b), and a strength improving agent containing a polyacrylic acid (salt).SELECTED DRAWING: None
Inventors:
Nobuhiro Kobayashi
Application Number:
JP2016045158A
Publication Date:
February 19, 2020
Filing Date:
March 09, 2016
Export Citation:
Assignee:
Nippon Shokubai Co., Ltd.
International Classes:
C04B24/26; C04B18/08; C04B28/02; C08F216/18; C08F220/04; C08F222/02
Domestic Patent References:
| JP2007063090A | ||||
| JP6127987A | ||||
| JP49117519A | ||||
| JP56069257A | ||||
| JP2003073157A | ||||
| JP2010528972A |
Attorney, Agent or Firm:
Katsuto Momii
Yoshida Masayasu
Yoshida Masayasu