Patent ID: 9472806
Filing Date: 2016-10-18
CPC Classification: C08F,H01M,Y02E

Claim Text:
1. A polymer comprising: a first repeating unit represented by Formula 1 and a second repeating unit comprising a substituted or unsubstituted C2-C30 alkenyl group, wherein the second repeating unit is a repeating unit represented by Formula 3: wherein, in Formula 1, R and R′ are each independently a hydrogen atom, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C2-C30 alkenyl group, a substituted or unsubstituted C2-C30 alkynyl group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C7-C30 arylalkyl group, a substituted or unsubstituted C2-C30 heteroaryl group, a substituted or unsubstituted C2-C30 heteroaryloxy group, a substituted or unsubstituted C3-C30 heteroarylalkyl group, a substituted or unsubstituted C4-C30 carbocyclic group, a substituted or unsubstituted C5-C30 carbocyclic alkyl group, a substituted or unsubstituted C2-C30 heterocyclic group, or a substituted or unsubstituted C3-C30 heterocyclic alkyl group; A and A′ are each independently —C(═O)O—, —OS(═O) Y and Y′ are each independently a hydrogen atom, an alkali metal, or an ammonium group, provided that Y and Y′ are not both hydrogen atoms, wherein, in Formula 3, R L