TWO-COMPONENT DEVELOPER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE

TWO-COMPONENT DEVELOPER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE

Provided is a two-component developer for developing an electrostatic latent image containing: toner particles having toner mother particles and an external additive on a surface of the toner mother particles; and carrier particles, wherein the external additive contains alumina particles; the alumi...

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Hauptverfasser: Kadonome, Futoshi, Obara, Shinya, SAKURADA, Ikuko, Arai, Keiji, Uchino, Satoshi
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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creator Kadonome, Futoshi
Obara, Shinya
SAKURADA, Ikuko
Arai, Keiji
Uchino, Satoshi
description Provided is a two-component developer for developing an electrostatic latent image containing: toner particles having toner mother particles and an external additive on a surface of the toner mother particles; and carrier particles, wherein the external additive contains alumina particles; the alumina particles are subjected to a surface modification with a hydrophobilizing agent; among the hydrophobilizing agent existing on the surface of the alumina particles after the surface modification, a ratio of the hydrophobilizing agent in a state of being liberated from the surface is 20% or less when extraction treatment is performed under a predetermined condition; the alumina particles have a number average primary particle diameter in the range of 5 to 60 nm; and the carrier particles have a resin covering layer, and the resin covering layer is formed with an alicyclic (meth)acrylate monomer
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subjects CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
title TWO-COMPONENT DEVELOPER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE
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