Ultrahigh strength cement composition - Nippon Shokubai Co., Ltd.

Title:

Ultrahigh strength cement composition

Document Type and Number:

Japanese Patent JP6251634

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide an ultra-high strength cement composition that contains water, cement and silica fumes and can exhibit sufficient flowability even with a small amount of water.SOLUTION: An ultra-high strength cement composition contains: a polycarboxylic acid based copolymer (P) that comprises a structural unit (I) derived from an unsaturated polyalkylene glycol based monomer (a) represented by the general formula (1) and a structural unit (II) derived from an unsaturated carboxylic acid based monomer (b) represented by the general formula (2); an oxyalkylene ether based compound (Q) represented by the general formula (3); water; cement; and silica fumes.

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Inventors:

Hirokatsu Kawakami

Application Number:

JP2014098227A

Publication Date:

December 20, 2017

Filing Date:

May 12, 2014

Export Citation:

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Assignee:

Nippon Shokubai Co., Ltd.

International Classes:

C04B24/02; C04B28/02; C04B24/26; C08F116/18; C08F120/06; C08F290/06; C08G65/26

Domestic Patent References:

JP10001343A
JP2010100478A
JP2010047440A
JP2008247730A
JP2013136484A
JP2003335565A

Attorney, Agent or Firm:

Katsuto Momii
Yoshida Masayasu

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