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US 2025/0197289 A1Published application
Reactive binder mixture for cementitious article
OwnerSonia NAIDU, Luc NICOLEAUinventors
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Abstract
A reactive binder mixture, includes, based on the total dry matter 10 to 40 wt. % hydraulic cement, 40 to 80 wt. % calcium sulphate hemihydrate, 2 to 35 wt. % pozzolanic material, and 0.1 to 5 wt. % booster additive selected from soluble alkaline earth salts, strong acids and combinations thereof.
Claims15
A reactive binder mixture comprising, based on the total dry matter:
- 10 to 40 wt. % hydraulic cement,
- 40 to 80 wt. % calcium sulphate hemihydrate,
- 2 to 35 wt. % pozzolanic material, and
- 0.1 to 5 wt. % booster additive,
- wherein the booster additive is selected from soluble alkaline earth salts, strong acids and combinations thereof.
2 more elements
A cementitious article obtained from the curing of a cementitious composition comprising, based on the total dry matter, 15 to 90 wt. % of the reactive binder mixture as defined in claim 1 and 10 to 85 wt. %, of fillers.
Dependencies are inferred from the claim text.