Oblon, McClelland, Maier & Neustadt, L.L.P.
Electrostatic image developing toner
The invention is to provide a positively charging electrostatic image developing toner capable of providing a high quality and high gloss and excellent in stability in long term use and environmental stability, and especially not causing fog in the use at high temperature and high humidity condition. The present invention relates to an electrostatic image developing toner comprising toner mother particles containing a binder resin and a colorant, wherein the binder resin contains a repeating unit having 4 to 20 ether bonds, containing a carbon atom, a hydrogen atom and an oxygen atom, and accounting for a specific amount.
MITSUBISHI CHEMICAL CORPORATION
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Maki Masami Tetsuharu Usei
Saito Tsurumori Yuge Jo