Sulfolane mixtures as ambient aprotic polar solvents
AssigneeAdvanced Technology Materials, Inc.
InventorEmanuel I. Cooper
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Abstract
An improved solvent containing sulfolane and at least one dialkyl sulfone, preferably dimethyl sulfone, wherein the improved solvent is a liquid at room temperature and can be used for reaction media and electrochemistry.
Claims10
A mixture consisting of 85 wt % to 99 wt % of sulfolane and 1 wt %-15 wt % of at least one dialkyl sulfone, wherein the at least one dialkyl sulfone has the formula R—(SO2)—R′, where R and R′ can be the same as or different from one another and can be any C1-C6 alkyl group.
A method of lowering the melting point of sulfolane, said method comprising preparing a mixture consisting of 85 wt % to 99 wt % of sulfolane and 1 wt %-15 wt % of at least one dialkyl sulfone, wherein the dialkyl sulfone has the formula R—(SO2)—R′, where R and R′ can be the same as or different from one another and can be any C1-C6 alkyl group.
Dependencies are inferred from the claim text.