Mitigation of hydrogen cyanide in aerogels
View Patent ↗An embodiment of the present invention describes aerogel materials comprising an additive comprising a compound comprising at least two different metal elements. Another embodiment, involves aerogel particulates in combination with said compound. Said compound preferably comprises at least two different transition metal elements and may be in an oxide form.
1. A method of incorporating an additive into an aerogel material comprising the steps of:
providing a solution comprising gel precursors;
incorporating an additive into said solution prior to gellation thereof, said additive comprising a compound having a general formula (Fe,Mn)(Fe,Mn) 2 O 4 :CuO;
mixing a nitrogen containing fibrous material with said solution;
allowing said solution to form a gel; and
drying said gel thereby resulting in an aerogel material.
2. The method of claim 1 wherein said compound comprises C.I. pigment black 26.
3. A method of incorporating an additive into an aerogel material comprising the steps of:
providing a solution comprising gel precursors;
incorporating an additive into said solution prior to gellation thereof, said additive comprising F-6331-2 COAL BLACK;
mixing a nitrogen containing fibrous material with said solution;
allowing said solution to form a gel; and
drying said gel thereby resulting in an aerogel material.
4. The method of claim 1 wherein the additive comprises a mixture of metal oxides.
5. The method of claim 1 wherein said compound has a spinel structure.
6. The method of claim 2 wherein said additive comprises iron, copper, manganese, molybdenum or a combination thereof.
7. The method of claim 1 wherein the additive is present at between about 0.1% and about 10% by weight of the aerogel composite.
8. The method of claim 1 wherein the gel is dried with a supercritical fluid.
9. The method of claim 1 wherein the aerogel comprises an inorganic material.
10. The method of claim 9 wherein the aerogel comprises silica, titania, zirconia, alumina, hafnia, yttria, ceria, carbides nitrides or a combination thereof.
11. The method of claim 1 further comprising the step of introducing said solution into a fibrous material.
12. The method of claim 11 wherein the fibrous material is a felt, mat, batting, chopped fibers or a combination thereof.
13. An aerogel material comprising:
at least one nitrogen containing fibrous material;
at least one additive dispersed within said aerogel material, wherein said additive comprises a compound having a general formula (Fe,Mn)(Fe,Mn) 2 O 4 :CuO.
14. The aerogel material of claim 13 wherein said compound comprises C.I. pigment black 26.
15. The aerogel material of claim 13 wherein said additive comprises an oxide.
16. The aerogel material of claim 13 wherein the additive comprises a mixture of metal oxides.
17. An aerogel material comprising:
at least one nitrogen containing fibrous material;
at least one additive dispersed within said aerogel material, wherein said additive comprises F-6331-2 COAL BLACK.
18. The aerogel material of claim 13 wherein said compound has a spinel structure.
19. The aerogel material of claim 13 wherein said additive comprises iron, copper, manganese, molybdenum or a combination thereof.
20. The aerogel material of claim 13 wherein the additive is present at between about 0.1% and 10% by weight of the aerogel material.
21. The aerogel material of claim 13 wherein the aerogel comprises an inorganic material.
22. The aerogel material of claim 13 wherein the aerogel structure comprises silica, titania, zirconia, alumina, hafnia, yttria, ceria, carbides nitrides or a combination thereof.
23. The aerogel material of claim 13 wherein the fibrous material is in the form of a felt, mat, batting, chopped fibers or a combination thereof.
24. A composition comprising aerogel particulates, a nitrogen containing fibrous material and an additive comprising a compound, said compound comprising at least two different metals and cupric oxide.
25. The composition of claim 24 wherein said compound is an oxide.
26. The composition of claim 24 wherein the additive comprises a mixture of metal oxides.
27. The composition of claim 24 wherein said compound comprises C.I. pigment black 26.
28. The composition of claim 24 wherein said compound has a spinel structure.
29. The composition of claim 24 wherein said compound comprises iron, copper, manganese, molybdenum or a combination thereof.
30. The composition of claim 24 wherein said compound has a general chemical formula of (Fe,Mn)(Fe,Mn) 2 O 4 :CuO.
31. The composition of claim 24 wherein the additive is present at between about 0.1% and 10% by weight of the aerogel material.
32. The composition of claim 24 wherein the aerogel comprises an inorganic material.
33. The composition of claim 24 wherein the aerogel structure comprises silica, titania, zirconia, alumina, hafnia, yttria, ceria, carbides nitrides or a combination thereof.
34. The composition of claim 24 wherein the fibrous material is in the form of a felt, mat, batting, chopped fibers or a combination thereof.