TONER

A toner having high rub resistance is provided. A toner including a toner particle containing a binder resin and a calcium carbonate particle, wherein in X-ray diffractometry of the toner particle by CuKα radiation, when the Bragg angle is defined as θ, (i) the calcium carbonate particle has peaks a...

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Bibliographic Details
Main Authors Chimoto, Yuya, Ochi, Kouichirou, Kajihara, Hisasuke, Shirayama, Kazuhisa, Hama, Masayuki, Ida, Hayato
Format Patent
LanguageEnglish
Published 23.06.2022
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A toner having high rub resistance is provided. A toner including a toner particle containing a binder resin and a calcium carbonate particle, wherein in X-ray diffractometry of the toner particle by CuKα radiation, when the Bragg angle is defined as θ, (i) the calcium carbonate particle has peaks at 2θ of 26.5°±0.5° and 29.5°±0.5°, (ii) a crystallite diameter of crystals thereof attributed to 2θ=29.5°±0.5° is 10 nm or more and 45 nm or less, and (iii) the ratio (a/b) of a peak intensity "a" at 2θ=26.5°±0.5° to a peak intensity "b" at 20θ=29.5°±0.5° is 0.15 or more and 0.24 or less.
Bibliography:Application Number: US202117536853