Foaming agent
AssigneeGenesis Global Limited
InventorAnthony S.M. George
Life of this patent
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Abstract
A foaming agent solution, cement material and concrete replacement product are described which include blood hydrolysates. The blood hydrolysates may be present in the foaming agent solution in the range 5-30% by volume of the solution.
Claims24
1-35. (canceled)
A foaming agent solution comprising in the range 5-30% by volume of a blood hydrolysate foaming agent;
- and a solvent.
A solution according to claim 1 comprising more than one solvent.
A cement material comprising the foaming agent solution of claim 1.
A cement material comprising a blood hydrolysate, wherein the cement material is formed and comprises pores of mean diameter in the range 25-250 pin.
A cement material according to claim 4, wherein the cement material is selected from Portland cement, Portland cement blends, lime cements, and super-sulfated cements.
A concrete replacement product comprising a cement material according to claim 5, further comprising water in the range 10-40 wt %.
A product according to claim 5, further comprising an aggregate or granular material.
A product according to claim 7, wherein the aggregate or granular material is selected from the group consisting of sand, pumice, gravel, fibers, and perlite.
A product according to claim 5, further comprising about 0-1 wt % of one or more products selected from the group consisting of a granular material other than sand, a fine aggregate, and a heavy aggregate.
The product of claim 4, having a density in the range of about 450-2100 Kg/M3.
The product of claim 4, having a strength in the range of about 3-53 N/mm2.
A material according to claim 4, further comprising pores of mean diameter in the range of about 500-1500 μm.
A process for preparing a foaming agent solution comprising the steps of:
- a. reacting blood with a base to form a mixture;
- b. adding an acid to the mixture;
- c. stabilising the foaming agent produced by steps a. and b.
- d. adding the foaming agent to a solvent to provide a foaming agent solution wherein the foaming agent is present in the range 5-30% by volume.
A process according to claim 13, wherein the base concentration is in the range 20-70% by volume, and/or wherein the acid concentration is in the range 20-99% by volume.
A process according to claim 13, further comprising the step of including an anticoagulant.
A process according to claim 13 where the blood is sourced from animals of age less than 18 months.
A process according to claim 13 wherein the step of reacting the blood with the base and/or the step of adding acid to the mixture occurs at a temperature in the range 95-115° C.
A process according to claim 13 wherein the protein and the base and/or the protein/base and acid mixture are heated for a period in the range of about 30 minutes to about 5 hours.
A process according to claim 13 wherein the stabiliser is selected from one or more of the group consisting of hydrated ferrous sulphate, butylphenols, and N,N-di-2-1,4-phenylenediamine.
A process according to claim 13 wherein after the step of stabilising the foaming agent, the process further comprises the step of removing liquid to concentrate the foaming agent.
A process for preparing a cement material comprising the steps of:
- Providing a foaming agent solution comprising about 5-30% of a blood hydrolysate foaming agent by volume, and at least one solvent;
- foaming the foaming agent solution;
- adding the foamed foaming agent solution to a solid material with mixing.
A process according to claim 21 wherein the foaming agent solution is added to the solid material at a rate of about 0.2 L/minute-3 L/minute.
A process according to claim 21 wherein the foaming agent solution, comprises foaming agent and water in the ratio of approximately 4.05:1 parts by volume.
Dependencies are inferred from the claim text.