초록 ▼

A composition of matter, and method to make same, for a nano-based material including a nanocarbon support to which is attached an aliphatic amine. In particular, the composition of matter is an aliphatic amine-nanocarbon material that includes a nanocarbon (NC) support, such as C60, nano-graphite,

A composition of matter, and method to make same, for a nano-based material including a nanocarbon support to which is attached an aliphatic amine. In particular, the composition of matter is an aliphatic amine-nanocarbon material that includes a nanocarbon (NC) support, such as C60, nano-graphite, graphene, nanocarbon ribbons, graphite intercalation compounds, graphite oxide, nano-coal, nanohorns, and combinations thereof, and further includes an aliphatic amine, such as polyethyleneimine (PEI).

대표청구항 ▼

1. A method comprising: selecting a polyethyleneimine-nanocarbon material, wherein the polyethyleneimine-nanocarbon material comprises a nanocarbon support, wherein the nanocarbon support is selected from the group consisting of C60, graphite intercalation compounds, graphite oxide, and combinations

1. A method comprising: selecting a polyethyleneimine-nanocarbon material, wherein the polyethyleneimine-nanocarbon material comprises a nanocarbon support, wherein the nanocarbon support is selected from the group consisting of C60, graphite intercalation compounds, graphite oxide, and combinations thereof; andusing the aliphatic amine-nanocarbon material to absorb carbon dioxide, wherein the aliphatic amine-nanocarbon material absorbs CO2 in an amount that is at least about 10 wt % of the aliphatic amine-nanocarbon material. 2. The method of claim 1, wherein the polyethyleneimine-nanocarbon material absorbs CO2 in an amount that is at least about 15 wt % of the polyethyleneimine-nanocarbon material. 3. The method of claim 1, wherein the polyethyleneimine-nanocarbon material absorbs CO2 in an amount that is at least about 15 wt % of the polyethyleneimine-nanocarbon material. 4. The method of claim 1, wherein the polyethyleneimine-nanocarbon material absorbs CO2 in an amount that is at least about 20 wt % of the polyethyleneimine-nanocarbon material. 5. The method of claim 1, wherein the polyethyleneimine-nanocarbon material absorbs CO2 in an amount that is between about 20 wt % and about 25 wt % of the polyethyleneimine-nanocarbon material. 6. The method of claim 1, wherein the nanocarbon support is C60; andthe polyethyleneimine-nanocarbon material is a polyethyleneimine-C60 material. 7. The method of claim 1, wherein the nanocarbon support comprises graphite oxide; andthe polyethyleneimine-nanocarbon material comprises a polyethyleneimine-graphite oxide material. 8. The method of claim 1, wherein the nanocarbon support comprises a graphite intercalation compound; andthe polyethyleneimine-nanocarbon material comprises a polyethyleneimine-graphite intercalation compound material. 9. The method of claim 1, wherein the ratio of (a) tertiary amines of the polyethyleneimine-nanocarbon material operable for absorbing CO2 to (b) primary amines and secondary amines of the polyethyleneimine-nanocarbon material operable for absorbing CO2 is at least about 5:1. 10. The method of claim 9, wherein the ratio is at least about 10:1. 11. The method of claim 1, wherein the polyethyleneimine-nanocarbon material is used as a carbon dioxide scrubber. 12. The method of claim 11, wherein the carbon dioxide scrubber is a regenerable carbon dioxide scrubber. 13. The method of claim 11, wherein the polyethyleneimine-nanocarbon material is used as a carbon dioxide scrubber in a small confined area. 14. The method of claim 13, wherein the small confined area is selected from the group consisting of space shuttles, submarines, and scuba suits. 15. The method of claim 11, wherein the polyethyleneimine-nanocarbon material is used as a carbon dioxide scrubber in the separation of carbon dioxide from flue gas streams. 16. The method of claim 15, wherein the flue gas system is in an industrial scale coal fired power plant.