Toner, external additive therefor and image forming method using the toner

A toner including a binder resin; a colorant; and an external additive, wherein the external additive includes an particulate inorganic material, and a silicone oil, wherein the silicone oil is present on the particulate inorganic material in an amount of Ws by weight and present as a free silicone...

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Bibliographische Detailangaben
Hauptverfasser:	UEDA, HITOSHI, SUGURO, YOSHIHIRO, TOSAKA, HACHIROH, KONDOU, TOMIO, UCHINOKURA, OSAMU, SUGIURA, HIDEKI, YAMASHITA, HIROSHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMISTRY CINEMATOGRAPHY DYES ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PHOTOGRAPHY PHYSICS POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	A toner including a binder resin; a colorant; and an external additive, wherein the external additive includes an particulate inorganic material, and a silicone oil, wherein the silicone oil is present on the particulate inorganic material in an amount of Ws by weight and present as a free silicone oil in an amount of Wfs by weight, and wherein a free silicone degree defined as a ratio Wfs/Ws is from 10 to 70 %.