| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a toner for full color development effectively used in full color development adopting an oilless fixing system. SOLUTION: In the positive charge type toner for full color development containing a colorant, a releasing gent, a positive charge controlling agent and a positive charge supporting agent each dispersed in a polyester resin, the releasing agent is dispersed in an amount of 5-15 pts.wt. based on 100 pts.wt. polyester resin, the positive charge controlling gent is dispersed in an amount of 1-3 pts.wt. based on 100 pts.wt. polyester resin and the positive charge supporting agent is a copolymer comprising styrene units, acrylic units and 9-20 wt.% quaternary ammonium salt units and is dispersed in an amount of 1-5 pts.wt. based on 100 pts.wt. polyester resin.</p> |
