ADDITIVE FOR CEMENT COMPOSITION AND CEMENT COMPOSITION CONTAINING THE SAME

Title:

ADDITIVE FOR CEMENT COMPOSITION AND CEMENT COMPOSITION CONTAINING THE SAME

Document Type and Number:

WIPO Patent Application WO/2003/024884

Kind Code:

A1

Abstract:

An additive for cement compositions which has excellent storage stability and suffers neither a significant viscosity increase nor gelation even when stored for long&semi and a cement composition containing the additive. The additive is characterized by containing (A) a polycarboxylic acid copolymer and&sol or a salt thereof, (B) a water−soluble cellulose ether, and (C) an antifoaming agent.

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JPH0821094	BAR VIBRATOR AND VIBRATION DEFORMING METHOD USING IT
JP4724786	Storage-stability particle composition of polysaccharides and / or polysaccharide derivatives and at least one synthetic polymer and methods for producing the same.

Inventors:

OKAZAWA SATOSHI (JP)
YAGUCHI MINORU (JP)
YAMAKAWA TSUTOMU (JP)
SASAGE YOSHIAKI (JP)

Application Number:

PCT/JP2002/009458

Publication Date:

March 27, 2003

Filing Date:

September 13, 2002

Export Citation:

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Assignee:

NMB LTD (JP)
OKAZAWA SATOSHI (JP)
YAGUCHI MINORU (JP)
SHINETSU CHEMICAL CO (JP)
YAMAKAWA TSUTOMU (JP)
SASAGE YOSHIAKI (JP)

International Classes:

C04B40/00; (IPC1-7): C04B24/26; C04B24/38; C04B28/02

Foreign References:

JPH05105493A	1993-04-27
EP1110981A2	2001-06-27

Other References: