| abstract |
Positive charge toner containing block copolymers for electrostatic reprography, having better compatibility with the toner resin. Preferably, block copolymers of styrene are used, one of the blocks being composed of methyl methacrylate and butyl methacrylate, the other block being composed of dimethylaminoethyl methacrylate, which is made quaternary with methyl tosylate. or benzyl chloride. |