ELECTROSTATIC-IMAGE DEVELOPING TONER SET, ELECTROSTATIC-IMAGE DEVELOPER SET, TONER CARTRIDGE SET, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Sep 6, 2024
filing date -
Sep 6, 2024
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Abstract
An electrostatic-image developing toner set includes a white toner including white toner particles including a polyester resin and a white colorant, and a colored toner other than a white toner, the colored toner including colored toner particles including a vinyl resin, a polyester resin, and a colored colorant, in which the mass ratio C of the polyester resin included in the colored toner particles to the vinyl resin included in the colored toner particles is 0.7 or more and 10 or less, and when the cross section of the colored toner particles is observed, the area fraction of the polyester resin present in a surface layer region of the colored toner particles, the surface layer region corresponding to 15% of the area of the cross section of the colored toner particles, is 60% or more and 100% or less.
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