Inorganic hardening composition
AssigneeToyo Chemical Co., Ltd.
InventorsShigeji Kobori, Jotaro Morimoto, Yuji Hatakeyama
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Abstract
An inorganic hardening composition contains 100 parts by weight of an alkaline earth metal oxide, and 5 to 80 parts by weight of an organic carbonic acid compound.
Claims8
An inorganic hardening composition consisting essentially of 100 parts by weight of MgO, and 5 to 80 parts by weight of ethylene carbonate.
An inorganic hardening composition consisting essentially of 100 parts by weight of MgO, 5 to 80 parts by weight of ethylene carbonate, and 0.5 to 30 parts by weight of a setting accelerator.
An inorganic hardening composition consisting essentially of 100 parts by weight of MgO, 5 to 80 parts by weight of ethylene carbonate, and 5 to 100 parts by weight of a cement.
An inorganic hardening composition consisting essentially of 100 parts by weight of MgO, 5 to 80 parts by weight of ethylene carbonate, and 0.5 to 30 parts by weight of a setting retarder.
An inorganic hardening composition consisting essentially of 100 parts by weight of MgO, 5 to 80 parts by weight of ethylene carbonate, and a natural mineral component selected from the group consisting of Fe.sub.2 O.sub.3, Al.sub.2 O.sub.3, SiO.sub.2, TiO.sub.2, Na.sub.2 O, K.sub.2 O, MgCO.sub.3, CaCO.sub.3, SrCO.sub.3, BaCO.sub.3, Mg(OH).sub.2, Ca(OH).sub.2, and mixtures thereof, said MgO and said ethylene carbonate in combination being contained in an amount of 70 to 99 wt % based on total weight of the composition, and said natural mineral component being contained in an amount of 1 to 30 wt % based on total weight of the composition.
Dependencies are inferred from the claim text.