DEVELOPING MEMBER, METHOD OF PRODUCING THE SAME, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
First Claim
1. A developing member, comprising:
- an electro-conductive substrate; and
an elastic layer disposed on the electro-conductive substrate,the elastic layer comprising a binder resin, an anion and a particle containing a metal oxide,the binder resin comprising a resin having a cationic organic group in the polymer chain,the anion being at least one selected from the group consisting of a fluorinated sulfonate anion, a fluorinated carboxylate anion, a fluorinated sulfonylimide anion, a fluorinated sulfonylmethide anion, a dicyanamide anion, a fluorinated alkylfluoroborate anion, a fluorinated phosphate anion, a fluorinated antimonate anion, a fluorinated arsenate anion and a bis(oxalate)borate anion,the metal oxide comprising an oxide of a metal having an electronegativity of 11.0 or less as a metal ion.
1 Assignment
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Accused Products
Abstract
A developing member that can prevent bleed under a high temperature and high humidity and prevent charge up of the developing member under a low temperature and low humidity is provided. A developing member including an electro-conductive substrate and an elastic layer disposed on the electro-conductive substrate; the elastic layer including a binder resin, an anion and a particle containing a metal, oxide; the binder resin including a resin having a cationic organic group in the polymer chain; the anion being at least one selected from the group consisting of a fluorinated sulfonate anion, a fluorinated carboxylate anion, a fluorinated sulfonylimide anion, a fluorinated sulfonylmethide anion, a dicyanamide anion, a fluorinated alkylfluoroborate anion, a fluorinated phosphate anion, a fluorinated antimonate anion, a fluorinated arsenate anion and a bis(oxalate)borate anion; the metal oxide including an oxide of a metal having an electronegativity of 11.0 or less as a metal ion.
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Citations
11 Claims
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1. A developing member, comprising:
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an electro-conductive substrate; and an elastic layer disposed on the electro-conductive substrate, the elastic layer comprising a binder resin, an anion and a particle containing a metal oxide, the binder resin comprising a resin having a cationic organic group in the polymer chain, the anion being at least one selected from the group consisting of a fluorinated sulfonate anion, a fluorinated carboxylate anion, a fluorinated sulfonylimide anion, a fluorinated sulfonylmethide anion, a dicyanamide anion, a fluorinated alkylfluoroborate anion, a fluorinated phosphate anion, a fluorinated antimonate anion, a fluorinated arsenate anion and a bis(oxalate)borate anion, the metal oxide comprising an oxide of a metal having an electronegativity of 11.0 or less as a metal ion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification