Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yojiro Hotta0
Takayuki Itakura0
Wakashi Iida0
Yasuhiro Ichikawa0
Hiroyuki Fujikawa0
Kazuhiko Hayami0
Nobuyoshi Sugahara0
Takaaki Kaya0
...
Date of Patent
December 12, 2006
0Patent Application Number
107534900
Date Filed
January 9, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A toner having toner particles each comprising at least a binder resin, a wax, and a colorant is used in an image forming apparatus which has a fixing means comprising a belt-shaped heating member and a pressurizing member. The binder resin contains a resin formed by a reaction between an epoxy group of a vinyl resin (A) having the epoxy group and a carboxyl group of a resin (B) having at least a polyester unit and the carboxyl group. The toner has a storage elastic modulus at a temperature of 80° C. (G′ 80) in the range of 1×105 to 1×108 Pa and has a storage elastic modulus at a temperature of 160° C. (G′ 160) in the range of 1×101 to 1×104 Pa.
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