Patent application number | Description | Published |
20140080046 | TONER FOR FORMING ELECTROSTATIC IMAGE, DEVELOPER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - To provide a toner, which contains a colorant, a binder resin, and a releasing agent, wherein the toner satisfies the following (a) to (c); (a) the toner contains at least a polyester resin as the binder resin; (b) the toner has Tg1st of 25° C. to 50° C.; and (c) the toner has a TMA compressive deformation rate (TMA %) of 10% or lower at 50° C. under a condition having relative humidity of 70%, wherein the Tg1st is glass transition temperature of the toner for first heating, as the toner is measured by a DSC system (a differential scanning calorimeter). | 03-20-2014 |
20140080047 | ELECTROPHOTOGRAPHIC TONER, TWO-COMPONENT DEVELOPER CONTAINING TONER, AND IMAGE FORMING APPARATUS - To provide an electrophotographic toner, which contains a crystalline resin, a non-crystalline resin, a colorant, and a releasing agent, wherein the toner has a storage elastic modulus of 5.0×10 | 03-20-2014 |
20140093820 | TONER FOR DEVELOPING LATENT ELECTROSTATIC IMAGE AND METHOD FOR PRODUCING TONER FOR DEVELOPING A LATENT ELECTROSTATIC IMAGE - To provide a toner containing toner base particles, in each of which a colorant and a releasing agent are encapsulated with a binder resin, where the toner base particles are obtained by the method containing: mixing and emulsifying a mixture containing the binder resin, the colorant, the releasing agent, and an organic solvent in an aqueous medium in the presence of resin particles, wherein the aqueous medium contains a surfactant and an inorganic salt. | 04-03-2014 |
20150024312 | TONER, DEVELOPER, AND COLOR TONER SET - A toner, including: a binder resin; and a colorant, wherein the toner has a storage modulus of 1.0×10 | 01-22-2015 |
20150037718 | TONER, METHOD FOR PRODUCING THE TONER, TWO-COMPONENT DEVELOPER, AND IMAGE FORMING APPARATUS - A toner, including: a crystalline resin; a non-crystalline resin; and a colorant, wherein the toner has a sea-island structure which includes a sea containing the crystalline resin and an island containing the non-crystalline resin and the colorant, wherein the island is 1.0 μm or less in domain diameter, and wherein the toner is 1.7×10 | 02-05-2015 |
20150198902 | STATIC CHARGE IMAGE DEVELOPING TONER AND IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE USING SAME - Provided is a static charge image developing toner of which flowing start temperatures (Tfb) measured with a flow tester satisfy relational formulae below: | 07-16-2015 |
20150234304 | TONER, DEVELOPER, AND IMAGE FORMING APPARATUS - A toner including a crystalline resin wherein the crystalline resin contains a crystalline resin having a urethane bond, a urea bond or both thereof, and wherein the crystalline resin has an average crystallite diameter of 20 nm to 70 nm. | 08-20-2015 |
20150261144 | IMAGE FORMING APPARATUS - An image forming apparatus, including: photoconductor; charging unit; exposing unit; developing unit containing toner; transfer unit; and fixing unit, wherein the toner includes external additive and base particles containing binder resin, colorant, and release agent, the toner has melt viscosity at 100° C. of 500 Pa·s to 8,000 Pa·s and the release agent has melt viscosity at 100° C. of 20 mPa·s to 30 mPa·s, the fixing unit includes fixing member that has roller or belt shape and contacts toner image transferred onto recording medium, and the fixing member includes release layer on surface thereof that is to be brought into contact with the toner image transferred onto the recording medium, and wherein the release layer satisfies the following expressions: | 09-17-2015 |