- N-(carbonyl, carbonimidoyl, carbonothioyl)sulfonamide charge control agents and toners and developers
-
An electrophotographic toner having polymeric binder and a charge control agent selected from the group consisting of sulfonamides having the general structure: STR1 and metal salts thereof. T1 is independently selected from H, alkyl having from 1 to 20 carbons, cycloalkyl having from 3 to 18 carbons, and aromatic and heteroaromatic ring systems having a solitary ring or 2 to 3 linked or fused rings. R1 is O, S, N--H, N--R5, or N--L--R5 ; where L is a linking group selected from: STR2 and R5 is independently selected from alkyl having from 1 to 20 carbons, cycloalkyl having from 3 to 18 carbons, and aromatic and heteroaromatic ring systems having a solitary ring or 2 to 3 linked or fused rings. L1 and L2 are each independently a direct link or divalent alkyl or fluoroalkyl having from 1 to 20 carbons. Ra and Rb are each independently selected from the group consisting of H, F and ring systems having a solitary ring or from 2 to 3 fused or linked rings, said ring system having from 3 to 34 carbons, including carbons of substituent groups. If L1 is a direct link, Ra is a ring system and if L2 is a direct link, Rb is a ring system.
- -
-
-