| 摘要 |
<p>A toner resin composition comprising a toner resin and a cobalt complex azo compound of the formula: <CHEM> wherein M<(+)> is a cation X & Y are each independently H, C1-4alkyl, C1-4-alkoxy, halo or -SO2Z Z is C1-4alkyl, C1-4-alkenyl or NRR<1> and R & R<1> are each independently, H, C1-4-alkyl, C1-4 alkenyl or phenyl, and a toner composition, suitable for use in electro-reprographic processes, comprising the toner resin composition and a colorant.</p> |
