Aerogel sorbents
First Claim
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1. An amine-functionalized hydrophobic silica aerogel comprising a silica network, at least one hydrophobic element covalently bound to the silica network, and at least one alkylamino group covalently bound to the silica network;
- wherein the hydrophobic element is a monoalkylsilane or a dialkylsilane.
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Abstract
The current invention describes methods and compositions of various sorbents based on aerogels of various silanes and their use as sorbent for carbon dioxide. Methods further provide for optimizing the compositions to increase the stability of the sorbents for prolonged use as carbon dioxide capture matrices.
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Citations
20 Claims
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1. An amine-functionalized hydrophobic silica aerogel comprising a silica network, at least one hydrophobic element covalently bound to the silica network, and at least one alkylamino group covalently bound to the silica network;
- wherein the hydrophobic element is a monoalkylsilane or a dialkylsilane.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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