POLYMER HAVING SULFONIC ACID GROUP OR SULFONIC ACID ESTER GROUP AND AMIDE GROUP, AND TONER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE HAVING THE POLYMER

摘要

There is provided a polymer including a unit represented by Chemical Formula (1): wherein R represents -A1-SO2R1; R1w and R1X are each independently a halogen atom or a hydrogen atom; R1y is a CH3 group, a halogen atom or a hydrogen atom; A01 is a substituted or unsubstituted aromatic ring structure or a substituted or unsubstituted heterocyclic structure; A1 is a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure or a substituted or unsubstituted heterocyclic structure; R1 is OH, a halogen atom, ONa, OK or OR1a; R1a is a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure or a substituted or unsubstituted heterocyclic structure.