LIQUID DEVELOPER
To provide a liquid developer that has a small size and low viscosity and shows excellent negative charging characteristics.SOLUTION: A liquid developer contains a toner particle containing a binder resin and a colorant, and an insulating liquid. The binder resin contains a polyester resin P that is...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide a liquid developer that has a small size and low viscosity and shows excellent negative charging characteristics.SOLUTION: A liquid developer contains a toner particle containing a binder resin and a colorant, and an insulating liquid. The binder resin contains a polyester resin P that is a polycondensate of an alcohol component and a carboxylic acid component containing an acid-modified product A of a polymer of C3-18 α-olefin. The liquid developer further contains an oil-soluble sulfonic acid metal salt.SELECTED DRAWING: None
【課題】小粒径、低粘度で、負帯電性に優れた液体現像剤に関すること。【解決手段】結着樹脂及び着色剤を含有するトナー粒子と絶縁性液体を含む液体現像剤であって、前記結着樹脂が、アルコール成分と、炭素数3以上18以下のα－オレフィンの重合体の酸変性物Ａを含むカルボン酸成分との重縮合物であるポリエステル樹脂Ｐを含有し、液体現像剤が、さらに、油溶性スルホン酸金属塩を含む、液体現像剤。【選択図】なし |
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