セメント混和剤及びその製造方法

Title:

セメント混和剤及びその製造方法

Document Type and Number:

Japanese Patent JP5019734

Kind Code:

B2

Abstract:

To provide a cement admixture excellent in dispersion retainability of a cement composition, and a method for producing the same.

The cement admixture comprises: as essential constituents, a polymer (P) containing, as an essential constitutive unit, a constitutive unit (I) originating in polyoxyalkylene-based monomer (I-M) having an average addition mole number of oxyalkylene group of 1-300; an ascorbic acid-based compound (AsA-D); and sulfate ion (SO42-).

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Inventors:

Noboru Sakamoto
Miyagawa Minoru
Shuichi Kouzuki
Yuko Matsuda
Tsutomu Yuasa

Application Number:

JP2005287894A

Publication Date:

September 05, 2012

Filing Date:

September 30, 2005

Export Citation:

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Assignee:

Nippon Shokubai Co., Ltd.

International Classes:

C04B24/26; C04B22/14; C04B24/06; C04B28/02; C08F290/06; C04B103/30; C04B103/40

Domestic Patent References:

JP2001089212A
JP2004182583A
JP2001220417A
JP9086990A
JP2001302306A
JP2003286058A
JP2006525938A

Foreign References:

WO2005066095A1

Attorney, Agent or Firm:

Atomi International Patent Office

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