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US 2009/0214973 A1Published application
Toner, developer, toner container, process cartridge, image forming method, and image forming apparatus
AssigneeRicoh Company, Ltd.
InventorsTsuyoshi Sugimoto, Hiroshi Yamashita, Naohiro Watanabe, Shinichi Wakamatsu, Masaki Watanabe
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Abstract
A toner is provided that includes a release agent, a colorant, a binder resin including a polyester resin, and a fixing auxiliary component including an ester compound of a fatty acid with an alcohol. The fatty acid includes stearic acid and behenic acid in a total amount of 80% by weight or more. The alcohol includes ethylene glycol in an amount of 80% by weight or more. The ester compound has a hydroxyl value of 10 to 100 mgKOH/g.
Claims14
A toner, comprising:
- a release agent;
- a colorant;
- a binder resin comprising a polyester resin;
- and
- a fixing auxiliary component;
- wherein:
- the fixing auxiliary component comprises an ester compound of a fatty acid with an alcohol;
- the fatty acid comprises stearic acid and behenic acid in a total amount of 80% by weight or more;
- the alcohol comprises ethylene glycol in an amount of 80% by weight or more;
- and
- the ester compound has a hydroxyl value of 10to 100 mgKOH/g.
8 more elements
Dependencies are inferred from the claim text.