C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 11/28 (2006.01) B09B 3/00 (2006.01) C04B 12/04 (2006.01) C04B 28/10 (2006.01) C04B 28/34 (2006.01) C09K 17/10 (2006.01) C09K 17/40 (2006.01)
Patent
CA 2343403
To provide a novel cement which is alkalescent, capable of solidifying a wide range of soil and applicable to biological environment. That is, a cement composition comprising 100 parts by weight of magnesium oxide comprising to 25% by weight of at least any one of silicic acid, alumina and iron oxide, 3 to 35 parts by weight of a phosphate, 2 to 30 parts by weight of gypsum and 0.005 to 7 parts by weight of an oxycarboxylic acid or a ketocarboxylic acid. 47
L'invention porte sur un nouveau type de ciment faiblement alcalin pouvant solidifier différents types de sols et applicable à l'environnement biologique. Sa composition consiste en un mélange de 100 parties en poids d'oxyde de magnésium contenant de 5 à 25 % en poids d'au moins l'un des corps suivants: acide silicique, alumine ou oxyde de fer, avec de 3 à 35 parties en poids d'un sel d'acide phosphorique, de 2 à 30 parties en poids de plâtre et de 0,005 à 7 parties en poids d'acide hydroxycarboxylique ou d'acide cétocarboxylique.
Fujimori Shinsaku
Kobori Shigeji
Forestry And Fishe Japan As Represented By Director General Of National Research In
Incorporated Administrative Agency National Agriculture And Food
Smart & Biggar
Tobu Kagaku Kabushiki Kaisha
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