Cementitious materials including stainless steel slag and geopolymers
OwnerDouglas C Comrieinventor
Life of this patent
Estimating the term…
Abstract
Cementitious materials including stainless steel slag and geopolymer can be added to conventional cement compositions, such as Portland cement, as a partial or total replacement for conventional cement materials. The stainless steel slag may comprise silicates and/or oxides of calcium, silicon, magnesium, iron, aluminum, manganese, titanium, sulfur, chromium and/or nickel. The geopolymer may comprise aluminum silicate and/or magnesium silicate. In a preferred embodiment, curing of concrete materials by the action of water on the cementitious materials is enhanced with the addition of an activator component selected from calcium bromide, calcium nitrate, calcium nitrite, calcium chloride, calcium oxide, and sodium bromide.
Claims23
A cementitious material comprising a geopolymer and stainless steel slag, further comprising at least one activator component selected from the group consisting of calcium bromide, calcium nitrate, calcium nitrite, calcium chloride, calcium oxide, and sodium bromide.
In a method of making reacted cementitious material, the method comprising combining stainless steel slag, geopolymer, optional hydraulic cement, and water to form a reactive mixture, the improvement comprising providing the reactive mixture with at least one added activator component selected from the group consisting of calcium bromide, calcium nitrate, calcium nitrite, calcium chloride, calcium oxide, and sodium bromide.
A reacted mixture of a geopolymer, stainless steel slag and water, comprising at least one activator component selected from the group consisting of calcium bromide, calcium nitrate, calcium nitrite, calcium chloride, calcium oxide, and sodium bromide.
Dependencies are inferred from the claim text.