LIQUID DEVELOPER SET
To provide a liquid developer set which contains a magenta liquid developer and a yellow liquid developer, and has a small particle diameter and low viscosity, excellent low temperature fixability, image density and uniformity of image density at the time of multi-color printing.SOLUTION: A liquid d...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | To provide a liquid developer set which contains a magenta liquid developer and a yellow liquid developer, and has a small particle diameter and low viscosity, excellent low temperature fixability, image density and uniformity of image density at the time of multi-color printing.SOLUTION: A liquid developer set contains toner particles containing a binder resin and a colorant, and an insulating liquid, in which the binder resin contains 60 mass% or more of a polyester-based resin P containing a constitutional unit derived from an alcohol component and a constitutional unit derived from a carboxylic acid component containing an acid-modified product A of a polymer of α-olefin having 3 or more and 18 or less carbon atoms, and the colorant contains a magenta liquid developer as C.I. pigment red 57:1, C.I. pigment red 146 or C.I. pigment red 122, and the colorant contains a yellow liquid developer as C.I. pigment yellow 185.SELECTED DRAWING: None
【課題】マゼンタ液体現像剤とイエロー液体現像剤を含み、小粒径かつ低粘度で、多色印刷時の低温定着性や画像濃度、画像濃度の均一性に優れる液体現像剤セットに関すること。【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とを含有し、該結着樹脂が、アルコール成分由来の構成単位と、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由来の構成単位を含むポリエステル系樹脂Pを60質量%以上含有する、液体現像剤のセットであって、前記着色剤が、C.I.ピグメントレッド57:1、C.I.ピグメントレッド146、又はC.I.ピグメントレッド122であるマゼンタ液体現像剤と、前記着色剤が、C.I.ピグメントイエロー185であるイエロー液体現像剤を含む、液体現像剤セット。【選択図】なし |
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