Title:
セメント混和材、セメント組成物及びその製造方法
Document Type and Number:
Japanese Patent JP7062668
Kind Code:
B2
Abstract:
Provided are a cement admixture and a cement composition, which, in a cement concrete cured body, have excellent anti-rust effects on an internal rebar, have shielding effects against chloride ions infiltrating from the exterior, and in addition, have low leaching of Ca ions and can suppress pore development. The cement admixture contains calcium boroaluminate wherein the molar ratio CaO/Al2O3 is 0.15 to 0.7, and the B2O3 content is 0.05 to 10% by mass.
Inventors:
Taiichiro Mori
Yuta Nakamoto
Morioka Minoru
Yuta Nakamoto
Morioka Minoru
Application Number:
JP2019534050A
Publication Date:
May 06, 2022
Filing Date:
July 23, 2018
Export Citation:
Assignee:
Denka Co., Ltd.
International Classes:
C04B22/08; C04B28/04
Domestic Patent References:
| JP2005104828A | ||||
| JP891895A | ||||
| JP5330875A |
Attorney, Agent or Firm:
Axis International Patent Business Corporation