TONER

A toner comprising a toner particle comprising a magnetic body, and a silica fine particle on a surface of the toner particle, wherein fragment ions corresponding to a D unit structure are observed in a specific measurement; when the silica fine particle is dispersed in a mixed solution of ethanol a...

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Bibliographic Details
Main Authors SATO, Kazuyuki, KAGAWA, Hiroki, HIRAMATSU, Tohru, SHIBAHARA, Shohei, SANO, Tomohisa
Format Patent
LanguageEnglish
French
German
Published 01.11.2023
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A toner comprising a toner particle comprising a magnetic body, and a silica fine particle on a surface of the toner particle, wherein fragment ions corresponding to a D unit structure are observed in a specific measurement; when the silica fine particle is dispersed in a mixed solution of ethanol and aqueous solution of NaCl, followed by a titration operation using sodium hydroxide, a titer is within a specific range; in a chemical shift obtained by a specific measurement, with D as an area of a peak having a peak top present in a range from -25 to -15 ppm, and with D1 as an area of a peak having a peak top present in a range of more than -19 ppm and -17 ppm or less, D and D1 are in a specific ratio; and the magnetic body is present on the surface of the toner particle.
Bibliography:Application Number: EP20230170300