TONER AND TONER PRODUCTION METHOD

The subject toner includes a toner particle containing a binding resin and an inorganic oxide particle, wherein the inorganic oxide particle is a particle of an oxide containing at least one element selected from the group consisting of: Si; Mg; Al; Ti; and Sr, wherein, when an area of the inorganic...

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Bibliographic Details
Main Authors TANAKA, MASATAKE, NOZAKI, DAI, KAWAGUCHI, SHINTARO, KATSURA, TAIJI
Format Patent
LanguageEnglish
Published 31.08.2023
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:The subject toner includes a toner particle containing a binding resin and an inorganic oxide particle, wherein the inorganic oxide particle is a particle of an oxide containing at least one element selected from the group consisting of: Si; Mg; Al; Ti; and Sr, wherein, when an area of the inorganic oxide particle is represented by Sm and a sectional area of the toner is represented by St in a cross-section of the toner observed with a transmission electron microscope, Sm/St is 4.0% or more, wherein an area Sm of the inorganic oxide particle that occupies each of four regions obtained by dividing the cross-section of the toner by a long diameter of the toner and a perpendicular bisector of the long diameter has a standard deviation of 0.40 or more in the observed cross-section, and wherein the toner has an average circularity of 0.950 or more.
Bibliography:Application Number: US202318173357