Switchable hydrophilicity solvents and methods of use thereof
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United States of America Patent
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Nov 12, 2013
Grant Date -
Oct 20, 2011
app pub date -
Oct 28, 2010
filing date -
Oct 28, 2009
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Abstract
A solvent that reversibly converts from a hydrophobic liquid form to hydrophilic liquid form upon contact with water and a selected trigger, e.g., contact with CO2, is described. The hydrophilic liquid form is readily converted back to the hydrophobic liquid form and water. The hydrophobic liquid is an amidine or amine. The hydrophilic liquid form comprises an amidinium salt or an ammonium salt.
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