TONER

PROBLEM TO BE SOLVED: To provide a toner with which stable, high-quality images can be obtained irrespective of a use environment and scattering can be suppressed particularly during fixation.SOLUTION: There is provided a toner containing toner particles containing a binder resin and colorant and in...

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Main Authors TANAKA KEISUKE, SUZUMURA YOSHITAKA, HIROKO SHUICHI, SANO TOMOHISA, HASEGAWA YUSUKE
Format Patent
LanguageEnglish
Japanese
Published 14.12.2015
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide a toner with which stable, high-quality images can be obtained irrespective of a use environment and scattering can be suppressed particularly during fixation.SOLUTION: There is provided a toner containing toner particles containing a binder resin and colorant and inorganic fine particles, where the thermal conductivity of the toner is 0.230 W/(m K) or more and 0.270 W/(m K) or less; the outflow start temperature Tr(°C) of the toner is 80°C or more and 100°C or less; and a difference between the softening temperature Tn(°C) of the toner and the outflow start temperature Tr satisfies the relationship of the following formula (1): Tr-Tn≤30. 【課題】使用環境によらず安定した高画質な画像が得られ、特に定着時の飛び散りを抑制できるトナーを提供することにある。【解決手段】結着樹脂、及び着色剤を含有するトナー粒子と、無機微粒子とを含有するトナーであって、該トナーの熱伝導率が０．２３０Ｗ／（ｍ・Ｋ）以上０．２７０Ｗ／（ｍ・Ｋ）以下であり、該トナーの流出開始温度Ｔｒ（℃）が８０℃以上１００℃以下であり、該トナーの軟化温度Ｔｎ（℃）と該流出開始温度Ｔｒとの差が下記式（１）の関係を満たすことを特徴とする。Ｔｒ−Ｔｎ≦３０ （１）【選択図】なし
Bibliography:Application Number: JP20140111902