Patent ID: 6881849

Claim:
A sulfolane functional silane comprising: (a) a sulfolane ring; (b) an alkoxy group, wherein an oxygen atom of the alkoxy group is bound to the sulfolane ring at a third position of the ring; (c) a hydrocarbon backbone having a first terminal carbon atom and a second terminal carbon atom, wherein the backbone has one to fifty carbon atoms and the first terminal carbon is bound to a carbon of the alkoxy group; and (d) a silyl moiety comprising at least one hydrolyzable group, wherein the silicon atom of the silyl moiety is bound to the second terminal carbon atom of the hydrocarbon backbone and the at least one hydrolyzable group is represented by the formula —O—R 2 , wherein R 2 is selected from an alkyl group, an alkylamine group, a dialkylamine group, a cyanoalkyl group, an allyl group, a vinyl group, and a cyano group.