Title:
CEMENT COMPOSITION
Document Type and Number:
Japanese Patent JP2023086047
Kind Code:
A
Abstract:
To provide a cement composition having an excellent bending strength when cured.SOLUTION: The cement composition contains cement and a fibrous or needle-like inorganic filler, in which the product of an aspect ratio [-] of the inorganic filler and a volume of the inorganic filler contained per unit volume [L/m3] is 800 or more. The inorganic filler is preferably one or two or more selected from basic magnesium sulfate, wollastonite, and potassium titanate. A preferable volume of the inorganic filler contained per unit volume is 50 L/m3 or more and 70 L/m3 or less. The inorganic filler preferably has an aspect ratio of 20 or more and 40 or less. The cement composition preferably comprises further silica fume.SELECTED DRAWING: None
Inventors:
KIRIYAMA HIROKAZU
ISEJIMA KEI
KATO HIDENORI
ISEJIMA KEI
KATO HIDENORI
Application Number:
JP2021200438A
Publication Date:
June 21, 2023
Filing Date:
December 09, 2021
Export Citation:
Assignee:
MITSUBISHI UBE CEMENT CORP
International Classes:
C04B14/38; C04B28/02; C04B18/08; C04B18/14; C04B22/08; C04B22/14; C04B24/26
Attorney, Agent or Firm:
Patent Attorney Showa International Patent Office
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