Cementitious materials including slag and geopolymers

Details Cementitious materials including slag and geopolymers Cementitious materials including slag and geopolymers

2007-11-13

2007-11-13

Wood, Elizabeth D. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S789000, C106S697000, C106S714000, C106S790000

Reexamination Certificate

active

11502502

ABSTRACT:
Cementitious materials including 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 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.

REFERENCES:
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patent: RE34912 (1995-04-01), Sonobe et al.
patent: 5820668 (1998-10-01), Comrie
patent: 6334885 (2002-01-01), Fukushima et al.
patent: 6869473 (2005-03-01), Comrie
patent: 7141112 (2006-11-01), Comrie
patent: 0 837 043 (1998-04-01), None

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