Title:
押出成形セメント組成物用添加剤
Document Type and Number:
Japanese Patent JP7152901
Kind Code:
B2
Abstract:
To provide an additive for cement composition to be extrusion-molded which can improve an extrudability of the cement composition and surface appearance of the resulting extrusion molded article when low quality fly ash is used in concrete formulation.SOLUTION: An additive for cement composition to be extrusion-molded of this invention comprises a sulfate ester salt represented by the following chemical formula(1), and a sulfate ester salt represented by the following chemical formula(2): R-O-(AO)-SOM(1); R-O-(AO)-SOM(2), (wherein, Ris an alkyl group having 1 to 24 carbon atoms or an alkenyl group having 2 to 24 carbon atoms, Ris an alkyl group having 1 to 24 carbon atoms, or alkenyl group having 2 to 24 carbon atoms, but each Ris different from each Rin carbon number by 2 or more, respectively, AO and AO are each independently an oxyalkylene group having 2 to 4 carbon atoms, nand nare each independently an integer of 0 to 30, Mand Mare each independently an alkali metal, a group 2 metal, ammonium or an organic ammonium.SELECTED DRAWING: None
Inventors:
Tomohisa Okada
Seiichi Koshisaka
Katsutoshi Sato
Seiichi Koshisaka
Katsutoshi Sato
Application Number:
JP2018153009A
Publication Date:
October 13, 2022
Filing Date:
August 15, 2018
Export Citation:
Assignee:
Toho Chemical Industry Co., Ltd.
International Classes:
C04B24/16; C04B18/08; C04B24/26; C04B28/02; C08F290/06
Domestic Patent References:
| JP2014012616A | ||||
| JP2003176163A | ||||
| JP2001253743A | ||||
| JP62036056A |