Title:
コンクリート組成物
Document Type and Number:
Japanese Patent JP5930719
Kind Code:
B2
Abstract:
Provide is a hydraulic material composition, including cement and a shrinkage-reducing agent for a hydraulic material, which does not require a combination with any other admixture, is inexpensive, and is capable of suppressing a reduction in strength of a hardened concrete material, suppressing generation of a crack in a hardened concrete material by virtue of its excellent shrinkage-reducing ability, and imparting excellent freeze-thaw resistance. The hydraulic material composition includes cement and a shrinkage-reducing agent for a hydraulic material including at least one kind of polyoxyalkylene compound (A) as an essential component, and has a spacing factor of 350 µm or less.
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Inventors:
Nawa Toyoharu
Shocho Mari
Hirotoshi Fukubara
Shocho Mari
Hirotoshi Fukubara
Application Number:
JP2011549030A
Publication Date:
June 08, 2016
Filing Date:
January 07, 2011
Export Citation:
Assignee:
Nippon Shokubai Co., Ltd.
International Classes:
C04B28/02; C04B24/02; C04B24/32; C08G65/08; C08L71/02
Domestic Patent References:
| JP2008285336A | 2008-11-27 | |||
| JP2006206403A | 2006-08-10 | |||
| JP2008050212A | 2008-03-06 | |||
| JP2001294466A | 2001-10-23 | |||
| JP2004091259A | 2004-03-25 | |||
| JP2006206404A | 2006-08-10 |
Foreign References:
| WO2008117372A1 | 2008-10-02 |
Attorney, Agent or Firm:
Katsuto Momii