Patent ID: 8383721

Claim:
A polymerizable ionic liquid comprising a polymerizable anion and a cation of the formula: wherein Z comprises a ketone, ester, amide, nitrile, or azlactone functional group, R 1 is H or a C 1 -C 25 alkyl group, R 2 is H or —CO—X 1 —R 5 , where R 5 is a H or a C 1 -C 25 alkyl group and X 1 is —O— or —NR 6 —, where R 6 is H or a C 1 -C 6 alkyl; and R 3 is H or CH 3 , R 8 is a (hetero)hydrocarbyl group, and w is 0, 1, 2 or 3; with the proviso that when Z comprises a nitrile or azlactone functional group, then R 1 and R 2 is H.