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US 2022/0098100 A1Published application
Rapid curing mineral binder mixture
AssigneeVenator Germany GmbH
InventorOLAF HETCHE
Life of this patent
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Abstract
A fast-curing mineral binder mixture includes a zirconium(IV)-based accelerator, a cement which includes at least one component selected from the compounds 3CaO*Al2O3, 12CaO*7Al2O3, CaO*Al2O3, CaO*2Al2O3, CaO*6Al2O3 and 4CaO*3Al2O3*SO3, and 15 to 80 wt % of a sulfate carrier, wherein the wt % is based on a weight of the fast-curing mineral binder mixture. The fast-curing mineral binder mixture can optionally include at least one alkaline component and/or at least one additive.
Claims25
1-18. (canceled)
19:
- A fast-curing mineral binder mixture comprising:
- a zirconium(IV)-based accelerator;
- a cement comprising at least one component selected from the compounds 3CaO*Al2O3, 12CaO*7Al2O3, CaO*Al2O3, CaO*2Al2O3, CaO*6Al2O3 and 4CaO*3Al2O3*SO3;
- and
- 15 to 80 wt % of a sulfate carrier,
- wherein,
- the wt % is based on a weight of the fast-curing mineral binder mixture.
4 more elements
20:
- The fast-curing mineral binder mixture as recited in claim 19, further comprising:
- at least one alkaline component;
- and
- at least one additive.
1 more element
21:
- The fast-curing mineral binder mixture as recited in claim 20, wherein the at least one alkaline component is at least one of portland cement, an alkali metal oxide, an alkaline earth metal oxide, an alkali metal hydroxide, an alkaline earth metal hydroxide, and mixtures thereof.
22:
- The fast-curing mineral binder mixture as recited in claim 20, wherein the at least one additive is at least one of a setting retarder, a setting accelerator, a dispersible plastics powder, a defoamer, a water repellent, an air entrainer, a plasticizer, a stabilizer, a water retention agent, and an additive which influences a building material mixture rheology.
23:
- The fast-curing mineral binder mixture as recited in claim 20, wherein the mineral binder mixture comprises:
- 5 to 80 wt % of the cement;
- 0.001 to 15 wt % of the zirconium(IV)-based accelerator;
- 15 to 80 wt % of the sulfate carrier;
- 0 to 10 wt % of the at least one alkaline component;
- and
- 0 to 15 wt % of the at least one additive,
- wherein,
- the wt % s add up in each case to 100 wt %, and
- the wt % s are based in each case on the weight of the fast-curing mineral binder mixture.
7 more elements
24:
- The fast-curing mineral binder mixture as recited in claim 23, wherein the mineral binder mixture comprises:
- 25 to 50 wt % of the cement;
- 0.2 to 3 wt % of the zirconium(IV)-based accelerator;
- 25 to 50 wt % of the sulfate carrier;
- 2 to 3 wt % of the at least one alkaline component;
- and
- 3 to 6 wt % of the at least one additive,
- wherein,
- the wt % s add up in each case to 100 wt %, and
- the wt % s are based in each case on the weight of the fast-curing mineral binder mixture.
7 more elements
25:
- The fast-curing mineral binder mixture as recited in claim 19, wherein the zirconium(IV)-based accelerator comprises at least one of zirconium nitrate (Zr(NO3)4), zirconium(IV) sulfate (Zr(SO4)2), zirconium(IV) hydrogen phosphate (Zr(HPO4)2), zirconyl nitrate (ZrO(NO3)2), and zirconyl chloride (ZrOCl2).
26:
- The fast-curing mineral binder mixture as recited in claim 19, wherein the zirconium(IV)-based accelerator comprises at least one of,
- 0.001 to 6 wt % of zirconium nitrate (Zr(NO3)4),
- 0.001 to 6 wt % of zirconium(IV) sulfate (Zr(SO4)2),
- 0.001 to 6 wt % of zirconyl nitrate (ZrO(NO3)2), and
- 0.001 to 6 wt % of zirconyl chloride (ZrOCl2),
- wherein, the wt % s are based in each case on the weight of the fast-curing mineral binder mixture.
3 more elements
27:
- The fast-curing mineral binder mixture as claimed in claim 19, wherein that the zirconium(IV) accelerator is admixed as at least one of,
- a solid,
- an aqueous-based suspension,
- a solution, and
- absorbed on a carrier,
- to the fast-curing mineral binder mixture.
3 more elements
28:
- The fast-curing mineral binder mixture as recited in claim 19, wherein the cement is at least one of a high-alumina cement and a portland cement.
29:
- The fast-curing mineral binder mixture as recited in claim 19, wherein a molar ratio of the zirconium(IV)-based accelerator to CaO in the compounds (mmol of the zirconium(IV)-based accelerator:mol of CaO in the compounds) is from 0.1 to 300.
30:
- The fast-curing mineral binder mixture as recited in claim 19, wherein the sulfate carrier is at least one of calcium sulfate, magnesium sulfate, sodium sulfate, potassium sulfate, iron sulfate, manganese sulfate, cobalt sulfate, nickel sulfate, and potassium peroxomonosulfate.
31:
- The fast-curing mineral binder mixture as recited in claim 19, wherein the fast-curing mineral binder mixture further comprises lithium salts.
32:
- A method of using at least one of zirconium nitrate (Zr(NO3)4), zirconium(IV) sulfate (Zr(SO4)2), zirconium(IV) hydrogen phosphate (Zr(HPO4)2), zirconyl nitrate (ZrO(NO3)2), and zirconyl chloride (ZrOCl2) as an accelerator for the fast-curing mineral binder mixture as recited in claim 19, the method comprising:
- providing at least one of zirconium nitrate (Zr(NO3)4), zirconium(IV) sulfate (Zr(SO4)2), zirconium(IV) hydrogen phosphate (Zr(HPO4)2), zirconyl nitrate (ZrO(NO3)2), and zirconyl chloride (ZrOCl2):
- and
- using the at least one of zirconium nitrate (Zr(NO3)4), zirconium(IV) sulfate (Zr(SO4)2), zirconium(IV) hydrogen phosphate (Zr(HPO4)2), zirconyl nitrate (ZrO(NO3)2), and zirconyl chloride (ZrOCl2) as the accelerator for the fast-curing mineral binder mixture as recited in claim 19.
1 more element
33:
- A method of using the fast-curing mineral binder mixture as recited in claim 19 in a building material, the method comprising:
- providing the fast-curing mineral binder mixture as recited in claim 19;
- providing the building material;
- and
- using the fast-curing mineral binder mixture as recited in claim 19 in the building material.
2 more elements
34:
- The method as recited in claim 33, wherein the building material comprises at least one of a mortar, a jointing mortar, a render, a screed, a self-leveling screed, a prefabricated part, a wall-filling compound, a floor-filling compound, a paving stone, a patio stone, a building slab, a repair mortar, an injection mortar, and a cementitious building adhesive.
35:
- A method for producing a workable building material, the method comprising:
- providing the fast-curing mineral binder mixture as recited in claim 19 as a solid;
- mixing the fast-curing mineral binder mixture with at least one of a regular filler and a lightweight filler so as to provide a dry building material;
- and
- mixing the dry building material with water so as to provide the workable building material.
2 more elements
36:
- A method of using the workable building material as recited in claim 35 in a tunnel construction or in a 3D concrete printer, the method comprising:
- providing the workable building material as recited in claim 35;
- and
- using the workable building material in the tunnel construction or in the 3D concrete printer.
1 more element
37:
- A method for producing a workable building material, the method comprising:
- mixing at least one of zirconium nitrate (Zr(NO3)4), zirconium(IV) sulfate (Zr(SO4)2), zirconium(IV) hydrogen phosphate (Zr(HPO4)2), zirconyl nitrate (ZrO(NO3)2), and zirconyl chloride (ZrOCl2) with water so as to provide a first mixture;
- and
- mixing the first mixture with a binder mixture comprising,
- a cement comprising at least one component selected from the compounds 3CaO*Al2O3, 12CaO*7Al2O3, CaO*Al2O3, CaO*2Al2O3, CaO*6Al2O3 and/or 4CaO*3Al2O3*SO3,
- 15 to 80 wt % of a sulfate carrier, and
- at least one of a regular filler and a lightweight filler,
- so a to provide the workable building material.
5 more elements
38:
- The method as recited in claim 37, wherein the binder mixture further comprises:
- at least one alkaline component;
- and
- at least one additive.
1 more element
39:
- A method of using the workable building material as recited in claim 37 in a tunnel construction or in a 3D concrete printer, the method comprising:
- providing the workable building material as recited in claim 37;
- and
- using the workable building material in the tunnel construction or in the 3D concrete printer.
1 more element
40:
- A method for producing a workable building material, the method comprising:
- mixing at least one of zirconium nitrate (Zr(NO3)4), zirconium(IV) sulfate (Zr(SO4)2), zirconium(IV) hydrogen phosphate (Zr(HPO4)2), zirconyl nitrate (ZrO(NO3)2) and/or zirconyl chloride (ZrOCl2) with water so as to provide a first mixture;
- mixing water with a binder mixture comprising:
- a cement comprising at least one component selected from the compounds 3CaO*Al2O3, 12CaO*7Al2O3, CaO*Al2O3, CaO*2Al2O3, CaO*6Al2O3 and/or 4CaO*3Al2O3*SO3,
- 15 to 80 wt % of a sulfate carrier, and
- at least one of a regular filler and a lightweight filler,
- so as to provide a second mixture;
- and
- mixing the first mixture with the second mixture so as to provide the workable building material.
6 more elements
41:
- The method as recited in claim 40, wherein the binder mixture further comprises:
- at least one alkaline component;
- and
- at least one additive.
1 more element
42:
- A method of using the workable material as recited in claim 40 in a tunnel construction or in a 3D concrete printer, the method comprising:
- providing the workable building material as recited in claim 40;
- and
- using the workable building material in a tunnel construction or in a 3D concrete printer.
1 more element