| 摘要 |
<p>PURPOSE:To enable removal of printed parts to be effected only by mechanical rubbing after irradiation with ultraviolet rays and reuse of copying paper by using this electrophotographic toner. CONSTITUTION:The electrophotographic toner comprises a resin, a colorant, a charge controller, and an offset preventing agent, and this resin is a copolymer comprisingt a phenyl isopropenyl ketone as at least one of its constituent monomers, and at least one of the colorants is a phthalocyanine type or benzidine type organic colorant.</p> |
