Electrophotographic member, process cartridge, and electrophotographic image forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorsNAOTO KAMEYAMA, KAORU OKAMOTO
Life of this patent
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Abstract
An electrophotographic member at least comprising: a base layer; and a surface layer on the base layer, wherein the surface layer comprises a binder resin, a tin oxide-containing particle, and at least one copolymer selected from the group consisting of a polyoxyethylene-polycaprolactone copolymer and a polyoxyethylene-polyvalerolactone copolymer; the binder resin comprises a (meth)acrylic resin; the copolymer has at least one functional group selected from the group consisting of a carboxy group and a phosphate group; and a content percentage of the particle in relation to the surface layer is 2.0% to 10.0% by volume.
Claims11
An electrophotographic member at least comprising:
- a base layer;
- and
- a surface layer on the base layer, wherein
- the surface layer comprises a binder resin, a tin oxide-containing particle, and at least one copolymer selected from the group consisting of a polyoxyethylene-polycaprolactone copolymer and a polyoxyethylene-polyvalerolactone copolymer;
- the binder resin comprises a (meth)acrylic resin;
- the copolymer has at least one functional group selected from the group consisting of a carboxy group and a phosphate group;
- and
- a content percentage of the particle in relation to the surface layer is 2.0% to 10.0% by volume.
An electrophotographic image forming apparatus, the electrophotographic image forming apparatus being provided with an electrophotographic member, wherein
- the electrophotographic member comprises at least
- a base layer;
- and
- a surface layer on the base layer,
- the surface layer comprises a binder resin, a tin oxide-containing particle, and at least one copolymer selected from the group consisting of a polyoxyethylene-polycaprolactone copolymer and a polyoxyethylene-polyvalerolactone copolymer;
- the binder resin comprises a (meth)acrylic resin;
- the copolymer has at least one functional group selected from the group consisting of a carboxy group and a phosphate group;
- and
- a content percentage of the particle in relation to the surface layer is 2.0% to 10.0% by volume.
Dependencies are inferred from the claim text.