Title:
RUST PREVENTIVE CEMENT ADDITIVE
Document Type and Number:
Japanese Patent JP2020001948
Kind Code:
A
Abstract:
To provide a cement additive having high capability of adsorbing salt without adversely influencing the physical properties of mortar and cement including strength, which additive can be produced by an easy method.SOLUTION: A cement additive is obtained in such a manner that alumina cement, calcium nitrite, slaked lime, and water are mixed and cured and the resulting cured body is put into a powder form. The cured body has a compression strength in a range of 10 to 25 N/mm. Use of the cement additive can give sufficient strength to concrete or mortar. According to the present invention, a cement additive having high capability of adsorbing salt can be also produced by an easy method.SELECTED DRAWING: None
Inventors:
TANAHASHI YASUSHI
TAKAHASHI NAOYA
NODA YASUHIRO
YAMAUCHI HIDEKI
TAKAHASHI NAOYA
NODA YASUHIRO
YAMAUCHI HIDEKI
Application Number:
JP2018121593A
Publication Date:
January 09, 2020
Filing Date:
June 27, 2018
Export Citation:
Assignee:
KIKUSUI KAGAKU KOGYO KK
International Classes:
C04B7/32; C04B22/06; C04B22/08