CONCRETE COMPOSITION - NIPPON CATALYTIC CHEM IND

Title:

CONCRETE COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2011/083840

Kind Code:

A1

Abstract:

Disclosed is a low-cost hydraulic material composition, which contains cement and a shrinkage reducing agent for a hydraulic material, and which does not require to be combined with an other admixture and suppresses decrease in the strength of a cured concrete product. The hydraulic material composition suppresses the occurrence of cracks in a cured concrete product due to the excellent shrinkage reducing function thereof, and is capable of providing excellent freezing-thawing resistance. Specifically disclosed is a hydraulic material composition, which contains cement and a shrinkage reducing agent for a hydraulic material, said shrinkage reducing agent containing one or more kinds of polyoxyalkylene compounds (A) as essential ingredients, and which has an air-void spacing factor of not more than 350 μm.

More Like This:

WO/2016/005566	METHOD FOR PRODUCING CONCRETE ELEMENTS
WO/2012/006651	COMPOSITION FOR PRODUCING ANTI-SLIP SURFACES
JP2016141614	MIXED CEMENT AND COMPOSITION OF MIXED CEMENT

Inventors:

NAWA TOYOHARU (JP)
MASANAGA MARI (JP)
FUKUHARA KOJI (JP)

Application Number:

PCT/JP2011/050165

Publication Date:

July 14, 2011

Filing Date:

January 07, 2011

Export Citation:

Click for automatic bibliography generation Help

Assignee:

NIPPON CATALYTIC CHEM IND (JP)
NAWA TOYOHARU (JP)
MASANAGA MARI (JP)
FUKUHARA KOJI (JP)

International Classes:

C04B28/02; C08L71/02; C04B24/02; C04B24/16; C04B24/18; C04B24/26; C04B24/32; C04B111/34

Domestic Patent References:

WO2008117372A1

2008-10-02

Foreign References:

JP2006206403A	2006-08-10
JP2006206404A	2006-08-10
JP2008050212A	2008-03-06
JP2001294466A	2001-10-23

Other References: