CAPSULE TONER

CAPSULE TONER

PROBLEM TO BE SOLVED: To provide a capsule toner which shows excellent offset resistance for a heat-pressure fixing method, which can be fixed at a low temp. and which has excellent stress resistance in a developing machine. SOLUTION: This capsule toner consists of a core material containing a core...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: UCHIYAMA KENJI, YAMAMOTO TAKU, MATSUMOTO TAKATSURU
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a capsule toner which shows excellent offset resistance for a heat-pressure fixing method, which can be fixed at a low temp. and which has excellent stress resistance in a developing machine. SOLUTION: This capsule toner consists of a core material containing a core resin and fine wax particles as well as a coloring agent and an electrification controlling material, and a shell material. The volume average particle size (D50) of the toner is 5.0 to 15.0 μm. The core resin has a max. in each region of 1.0×10 to 2.0×10 and 20.0×10 to 80.0×10 in the weight mol.wt. distribution and has 25.0 to 55.0 deg.C glass transition temp. (Tg). The fine wax particles have