Electrostatic charge image developing toner and electrostatic charge image developer
AssigneeFuji Xerox Co., Ltd.
InventorsYuka YAMAGISHI, Moegi IGUCHI, Yutaka SAITO, Mona TASAKI, Soutaro KAKEHI, Sakon TAKAHASHI
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Abstract
Provided is an electrostatic charge image developing toner including: toner particles; and strontium titanate particles A and strontium titanate particles B having different average primary particle diameters from each other. The strontium titanate particles B have an average primary particle diameter Db of 10 nm to 100 nm. An average primary particle diameter Da of the strontium titanate particles A and the average primary particle diameter Db of the strontium titanate particles B satisfy a relationship of 10≤Da/Db≤100.
Claims20
An electrostatic charge image developing toner comprising:
- toner particles;
- and
- strontium titanate particles A and strontium titanate particles B having different average primary particle diameters from each other,
- wherein the strontium titanate particles B have an average primary particle diameter Db of 10 nm to 100 nm, and
- an average primary particle diameter Da of the strontium titanate particles A and the average primary particle diameter Db of the strontium titanate particles B satisfy a relationship of 10≤Da/Db≤100.
An electrostatic charge image developing toner comprising:
- toner particles;
- and
- strontium titanate particles A and strontium titanate particles B having different average primary particle diameters from each other,
- wherein primary particles of the strontium titanate particles B have an average circularity of 0.82 to 0.94 and a circularity that becomes 84% of accumulation of greater than 0.92, and
- an average primary particle diameter Da of the strontium titanate particles A and an average primary particle diameter Db of the strontium titanate particles B satisfy a relationship of 10≤Da/Db≤100.
An electrostatic charge image developing toner comprising:
- toner particles;
- and
- strontium titanate particles A and strontium titanate particles B having different average primary particle diameters from each other,
- wherein a full width at half maximum of a peak of a 110 plane obtained by an X-ray diffraction method from the strontium titanate particles B is 0.2° to 2.0°, and
- an average primary particle diameter Da of the strontium titanate particles A and an average primary particle diameter Db of the strontium titanate particles B satisfy a relationship of 10≤Da/Db≤100.
Dependencies are inferred from the claim text.