Title:
ADDITIVE FOR HYDRAULIC COMPOSITION, AND HYDRAULIC COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/116695
Kind Code:
A1
Abstract:
Provided is an additive for a hydraulic composition capable of enhancing the strength in early age (age about one day). An additive for a hydraulic composition comprising a polycarboxylic acid-based dispersant and diethylene glycol, wherein the polycarboxylic acid-based dispersant comprises a copolymer P including structural units derived from a monomer M represented by formula (1) and an unsaturated carboxylic acid-based monomer A. R1-O-X-R2 (1) (in formula (1), R1 represents a C2-5 alkenyl group or a C3 or 4 unsaturated acyl group, R2 represents a hydrogen atom, a C1-22 alkyl group, or a C1-22 aliphatic acyl group, X represents a polyoxyalkylene group having an average addition molar number of 40-160 composed of a C2-4 oxyalkylene group.)
Inventors:
FURUTA AKIHIRO (JP)
OKADA KAZUHISA (JP)
MARUYAMA IPPEI (JP)
OKADA KAZUHISA (JP)
MARUYAMA IPPEI (JP)
Application Number:
PCT/JP2018/037438
Publication Date:
June 20, 2019
Filing Date:
October 05, 2018
Export Citation:
Assignee:
TAKEMOTO OIL & FAT CO LTD (JP)
International Classes:
C04B24/26; C04B24/02; C04B28/04; C08K5/053; C08L33/14
Domestic Patent References:
| WO2009119893A1 | 2009-10-01 |
Foreign References:
| JP2017197409A | 2017-11-02 |
Attorney, Agent or Firm:
WATANABE Kazuhira (JP)
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