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1. (WO2017033500) LIQUID DEVELOPER

Pub. No.:    WO/2017/033500    International Application No.:    PCT/JP2016/063568
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Tue May 03 01:59:59 CEST 2016
IPC: G03G 9/12
G03G 9/13
Applicants: KAO CORPORATION
花王株式会社
Inventors: YAMADA, Tatsuya
山田 達也
KAMIYOSHI, Nobumichi
神吉 伸通
Title: LIQUID DEVELOPER
Abstract:
Provided is a liquid developer formed by dispersing toner particles, which contain a pigment and a resin including a polyester, into an insulating liquid in the presence of a dispersing agent, wherein the insulating liquid has a boiling point of 300 °C or less, and has a methyl group peak intensity ratio of 25% or more as calculated using formula (1) (in the formula, A represents the peak intensity ascribed to CH3 stretching vibration as measured by a Fourier transform infrared spectrophotometer, and B represents the total peak intensity ascribed to CH2 stretching vibration and CH stretching vibration), or contains polyisobutene.