Polymer having a sulfonic group or a sulfonate group and an amide group and method of producing same

A charge control agent for controlling a charged state of powder, which contains a polymer having a unit having a structure represented by the chemical formula (7):

• wherein R represents -A7-SO2R7;
• R7w and R7X each represent a hydrogen atom, and R7y represents a CH3 group or a hydrogen atom;
• A7 represents a branched alkylene group having 4 carbon atoms represented by the chemical formula (407);
• R7 represents a halogen atom or OR7a where R7a represents a linear or branched alkyl group having 2 to 8 carbon atoms, or a substituted or unsubstituted phenyl group:

A charge control agent for controlling a charged state of powder, which contains a polymer having a unit having a structure represented by the chemical formula (507):

• wherein R represents -A507-SO2R507;
• R507w and R507X each represent a hydrogen atom, and R507y represents a CH3 group or a hydrogen atom;
• A507 represents a substituted heterocyclic structure;
• R507 represents OH, a halogen atom, ONa, OK, or OR507a where R507a represents a linear or branched alkyl group having 1 to 8 carbon atoms, or a substituted or unsubstituted phenyl group.

A charge control agent for controlling a charged state of powder, which contains a polymer having a unit having a structure represented by the chemical formula (509a) or (509b):

• wherein R509w and R509x each represent a hydrogen atom, and R509y, represents a CH3 group or a hydrogen atom;
• one of R509a, R509b, R509c, R509d, R509e, R509f, and R509g represents SO2R509o (R509o represents a halogen atom or OR509s, where R509s represents a linear or branched alkyl group having 1 to 8 carbon atoms, or a substituted or unsubstituted phenyl group);
• the others represent hydrogen atoms;
• wherein R509v and R509u each represent a hydrogen atom, and R509z represents a CH3 group or a hydrogen atom;
• one of R509h, R509i, R509j, R509k, R509l, R509m, and R509n represents SO2R509q (R509q represents a halogen atom or OR509t where R509t represents a linear or branched alkyl group having 1 to 8 carbon atoms, or a substituted or unsubstituted phenyl group);
• the others represent hydrogen atoms.

A charge control agent for controlling a charged state of powder, which contains a polymer having a unit having a structure represented by the chemical formula (9a) or (9b):

• wherein R10w and R10x each represents a hydrogen atom, and R10y represents a CH3 group or a hydrogen atom;
• at least one of R10a, R10b, R10c, 10d, R10e, R10f, and R10g represents SO2R10o;
• R10o represents OH, a halogen atom, ONa, OK, or OR10s;
• R10s represents a linear or branched alkyl group having 1 to 8 carbon atoms, or a substituted or unsubstituted phenyl group;
• each of R10a, R10b, R10c, R10d, R10e, R10f, and R10g is selected from a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an OH group, an NH2 group, an NO2 group, COOR10p, an acetamide group, an OPh group, an NHPh group, a CF3 group, a C2F5 group, and a C3F7 group;
• R10p represents an H atom, an Na atom, or a K atom;
• up to five of R10a, R10b, R10c, R10d, R10e, R10f, and R10g can represent hydrogen atoms;
• wherein R10v and R10ueach represent a hydrogen atom, and R10z, represents a CH3 group or a hydrogen atom;
• at least one of R10h, R10i, R10j, R10k, R10l, R10m, and R10n represents SO2R10q;
• R10q represents OH, a halogen atom, ONa, OK, or OR10t;
• R10trepresents a linear or branched alkyl group having 1 to 8 carbon atoms, or a substituted or unsubstituted phenyl group;
• each of R10h, R10i, R10j, R10k, R10l, R10m, and R10n is selected from a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an OH group, an NH2 group, an NO2 group, COOR10r, an acetamide group, an OPh group, an NHPh group, a CF3 group, a C2F5 group, and a C3F7 group;
• R10r represents an H atom, an Na atom, or a K atom;
• up to five of R10h, R10i, R10j, R10k, R10l, R10m, and R10n can represent hydrogen atoms.

A charge control agent for controlling a charged state of powder, which contains a polymer having a unit having a structure represented by the chemical formula (301):

• wherein R represents -A301-SO2R301;
• R301w and R301x each independently represent a halogen atom or a hydrogen atom, and R301y represents a CH3 group, a halogen atom, or a hydrogen atom;
• at least one of R301w, R301X, and R30ly represents a halogen atom;
• A301 represents a substituted or unsubstituted aliphatic hydrocarbon structure, a substituted or unsubstituted aromatic ring structure, or a substituted or unsubstituted heterocyclic structure;
• R301 represents OH, a halogen atom, ONa, OK, or OR301a where R3O1a represents a linear or branched alkyl group having 1 to 8 carbon atoms, or a substituted or unsubstituted phenyl group.