CEMENT DISPERSING AGENT

Title:

CEMENT DISPERSING AGENT

Document Type and Number:

WIPO Patent Application WO/2007/086507

Kind Code:

A1

Abstract:

[PROBLEMS] To provide a cement dispersing agent and a concrete admixture which little cause setting retardation, have good influence on workability (such as concrete consistency reduction), and are excellent in slump-loss reduction. [MEANS FOR SOLVING PROBLEMS] A cement dispersing agent characterized by containing an alkylene oxide modified water -soluble polymer having a structure composed of both a polymer skeleton consisting of a water-soluble polycarboxylic acid polymer grafted and/or crosslinked with a compound having amino and inimo groups and/or a compound having amino, imino and amido groups and a polyalkylene oxide moiety bonded to the skeleton which moiety is formed by the addition reaction of an alkylene oxide; and concrete admixtures containing the cement dispersing agent and other admixtures.

Inventors:

BANDOH HIROFUMI (JP)
SAITOH KANAME (JP)
TOMOYOSE TETSU (JP)
KOBAYASHI ATSUSHI (JP)
IKEDA AKIRA (JP)
SUGA AKIRA (JP)
OKADA TOMOHISA (JP)

Application Number:

PCT/JP2007/051271

Publication Date:

August 02, 2007

Filing Date:

January 26, 2007

Export Citation:

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Assignee:

SIKA LTD (JP)
TOHO CHEM IND CO LTD (JP)
BANDOH HIROFUMI (JP)
SAITOH KANAME (JP)
TOMOYOSE TETSU (JP)
KOBAYASHI ATSUSHI (JP)
IKEDA AKIRA (JP)
SUGA AKIRA (JP)
OKADA TOMOHISA (JP)

International Classes:

C04B24/12; C04B24/26; C04B24/28; C04B103/40

Foreign References:

JP2004210589A	2004-07-29
JP3336465B2	2002-10-21
JP2004331472A	2004-11-25

Other References: