Back to results
US 6,924,073 B2Granted
Toner for developing electrostatic latent image, toner cartridge, developer, developer cartridge, image forming method, and image forming apparatus
AssigneeRicoh Company, Ltd.
InventorsHiroto Higuchi, Mitsuo Aoki, Fumihiro Sasaki, Naohito Shimota, Kumi Hasegawa, Bing Shu, Maiko Kondo, Shinya Nakayama
Life of this patent
Estimating the term…
Abstract
A toner for developing an electrostatic latent image, comprising a colorant, a releasing agent and a binder resin, wherein said binder resin comprises a first, non-linear resin, a second, linear resin, and a modified wax comprising a wax moiety and a vinyl polymer moiety having an ester group content of 8 to 30% by weight based on the weight of the vinyl polymer moiety.
Claims29
A toner for developing an electrostatic latent image, comprising
- a colorant,
- a releasing agent and
- a binder resin,
- wherein said binder resin comprises
- a first, non-linear resin,
- a second, linear resin, and
- a modified wax comprising a wax moiety and a vinyl polymer moiety having an ester group content of 8 to 30% by weight based on the weight of the vinyl polymer moiety, and
- the weight ratio of said wax moiety to said vinyl polymer moiety is in the range of 1:100 to 45:100.
5 more elements
A toner for developing an electrostatic latent image, comprising
- a colorant
- a releasing agent and
- a binder resin,
- wherein said binder resin comprises
- a first, non-linear resin,
- a second, linear resin, and
- a modified wax comprising a wax moiety and a vinyl polymer moiety having an ester group content of 8 to 30% by weight based on the weight of the vinyl polymer moiety, and
- said binder resin further comprises a third, hybrid resin comprising a first polymer unit obtainable by condensation polymerization, and a second polymer unit connected to said first polymer unit and obtainable by addition polymerization.
5 more elements
Dependencies are inferred from the claim text.