C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/84
C04B 22/10 (2006.01) C04B 18/04 (2006.01) C04B 28/34 (2006.01)
Patent
CA 1225106
FAST-SETTING CEMENTS FROM SOLID PHOSPHORUS PENTOXIDE CONTAINING MATERIALS ABSTRACT OF THE DISCLOSURE A dry blend capable of forming a fast-setting cement when reacted with an aqueous component. The blend comprises: a solid phosphorus pent oxide (P2O5) containing component; a solid component comprising a magnesium containing compound; and an optional aggregate. The solid P2O5 containing component is preferably spent solid phosphoric acid catalyst. The dry blend remains a free flowing powder until contacted with the aqueous component, preferably water, then a reaction occurs forming a fast-setting cement.
459679
Michaels Edwin S.
Sherif Fawzy G.
Gowling Lafleur Henderson Llp
Stauffer Chemical Company
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