To provide a fixer capable of stably fixing an image in an environmental temperature range from 10°C to 40°C when used as a foamy fixer in a fixing process, and to provide a fixing device using the fixer, and an image forming apparatus including the fixing device.
The fixing device 30 includes: a fixer supply unit 130 supplying a foamy fixer Bu having foams dispersed in a liquid of a liquid fixer 310, which contains a softening agent softening a toner, a foaming agent comprising a fatty acid salt that imparts a foaming property to the liquid containing the softening agent, and a foam booster that assists the foaming property of the foaming agent, in a solvent comprising water; and a fixer applying unit 140 applying the foamy fixer Bu on a transfer sheet P. The liquid fixer 310 in a fixer container 31 contains a surface controlling agent comprising an alcohol alkoxylate and contains, as the foaming agent, a first foaming agent comprising an aliphatic alkanolamide and a second foaming agent comprising an aliphatic alcohol or a betaine derivative.
KATANO YASUO
YAMAGUCHI TAKEO
TAKEUCHI SHIGEO
KANEKO FUMINARI
MATSUOKA YASUSHI
YAGINUMA HIDEKAZU
SOMEYA YUKIMICHI
TOMONO HIDENORI
HIHARA TAKESHI
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