Toner and two-component developer
AssigneeSharp Kabushiki Kaisha
InventorsOSAMU WADA, YORITAKA TSUBAKI
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Abstract
A toner including toner particles and an external additive adherent to a surface of the toner particles has the following configuration. The toner particles contain an amorphous polyester resin, a crystalline polyester resin, a release agent, and a first fatty acid metal salt. The first fatty acid metal salt includes a trivalent or higher metal ion. The first fatty acid metal salt in the toner particles has an average dispersion size of 50 nm or more and 500 nm or less. The external additive contains a second fatty acid metal salt.
Claims9
A toner comprising toner particles and an external additive adherent to a surface of the toner particles, wherein:
- the toner particles contain an amorphous polyester resin, a crystalline polyester resin, a release agent, and a first fatty acid metal salt;
- the first fatty acid metal salt is a trivalent or higher metal salt;
- the first fatty acid metal salt in the toner particles has an average dispersion size of 50 nm or more and 500 nm or less;
- and
- the external additive contains a second fatty acid metal salt.
Dependencies are inferred from the claim text.