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US 11,702,564 B2Granted
Coating compositions and methods for using the same
AssigneeThe Curators of the University of Missouri
InventorsFateme Rezaei, Thomas P. Schuman, Glenn C. Morrison
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Abstract
Coating compositions and methods for using the same are disclosed. The coating compositions can include an aminosilica adsorbent. The coating compositions can adsorb CO2.
Claims9
A coating composition, comprising:
- an aminosilica absorbent, wherein the aminosilica adsorbent comprises a mesoporous silica support and one or more aminopolymers, and
- a latex mixture comprises a polymeric binder, wherein the polymeric binder is present in the coating composition in an amount of 10 wt. % to 60 wt. %,
- wherein the coating composition exhibits an adsorption capacity of from 0.2 mmol/g at 800 ppm of CO2 and 15% relative humidity to 1.5 mmol/g at 800 ppm of CO2, as determined according to the CO2 Adsorption Chamber Test;
- and the coating composition, in a dry state, exhibits an aminosilica content of from 40 to 85 wt %.
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A coating composition, comprising:
- an aminosilica adsorbent, wherein the aminosilica adsorbent comprises a mesoporous silica support and one or more aminopolymers,
- wherein the coating composition exhibits an adsorption capacity of from 0.2 mmol/g at 800 ppm of CO2 and 15% relative humidity to 1.5 mmol/g at 800 ppm of CO2, as determined according to the CO2 Adsorption Chamber Test;
- and
- a latex mixture, the latex mixture comprising one or more polymeric binders, wherein the aminosilica adsorbent is present at a volume that is within 20% of a volume of the one or more polymeric binders, wherein the one or more polymeric binders comprises one or more polyacrylic-based binders and the one or more polyacrylic-based binders is present in the coating composition in an amount of from 10 wt % to 60 wt. %.
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Dependencies are inferred from the claim text.