Patent classifications
G03G9/09783
AMES NEGATIVE SUBLIMATION TONER
Provided are toners and combinations of toners that demonstrate excellent color and are Ames test negative in both Salmonellatyphimurium strains TA98 and TAIOO.
Toner
A toner having a toner particle having a plurality of fine particles on the surface of a toner base particle, the toner base particle contains a binder resin, wherein a fine particle layer A constituted of a plurality of the fine particles is observed in an EDX mapping image of the constituent elements in a cross section of the toner particle as provided by EDX of the toner particle cross section observed using TEM; a fine particle B, containing a metal compound containing at least one metal element M selected from all the metal elements belonging to Groups 3 to 13, is observed in the fine particle layer A; and the number-average particle diameter D of the fine particle B, the average value H of the thickness of the fine particle layer A, and the standard deviation S on the thickness of the fine particle layer A satisfy prescribed relationships.
Electrostatic latent image developing toner and image forming method
Provided is an electrostatic latent image developing toner including toner mother particles having an external additive on a surface of the toner mother particles, wherein the external additive contains inorganic particles and aliphatic acid metal salt particles; the inorganic particles have a number average particle diameter in the range of 10 to 50 nm, and have a Mohs hardness of 8 or more; and the aliphatic acid metal salt particles have a number average particle diameter in the range of 0.4 to 2.0 m.
TONER
A toner that is suppressed from deteriorating owing to its long-term use and can maintain high transferability. The toner includes: a toner particle containing an amorphous polyester serving as a binder resin and a polymer A; and inorganic fine particles, wherein the polymer A includes a graft copolymer of a polyolefin and a vinyl-based polymer unit having a carboxylate anion group, and a metal ion having a valence of 2 or more.
Toner
A toner comprising a binder resin and a colorant, wherein the toner has a Martens hardness, as measured at a maximum load condition of 2.010.sup.4 N, of from 200 MPa to 1,100 MPa.
Toner
A toner comprising a toner particle that contains a binder resin, wherein the surface of the toner particle has a reaction product of a polyhydric acid and a compound that contains a group 4 element.
Toner
A toner comprising a toner particle comprising a binder resin, wherein a layer comprising an organosilicon condensate is present on the surface of the toner particle; the layer comprising the organosilicon condensate further comprises a reaction product of a compound comprising at least one metal element selected from all the metal elements belonging to Groups 3 to 13, and a polyhydric acid; in a backscattered electron image of the toner captured at a magnification of 50,000 times by using a scanning electron microscope, an average value of an area of the reaction product is from 10 nm.sup.2 to 5000 nm.sup.2, and a coefficient of variation of the area of the reaction product is not more than 10.0.
TONER, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Provided is a toner including a binder resin, a release agent, and a charge-controlling agent, wherein the toner includes toner particles having particle diameters of 3 micrometers or smaller, among the toner particles having particle diameters of 3 micrometers or smaller, a proportion of the toner particles having an average circularity of 0.70 or greater but 0.85 or less in all of the toner particles is 10% by number or greater but less than 20% by number and a proportion of the toner particles having an average circularity of less than 0.70 in all of the toner particles is 10% by number or less.
CURABLE COATING MATERIAL FOR NON-IMPACT PRINTING
Coating material (237) being processable by non-impact printing to form at least a part of a coating layer (206) representing an image; the coating material (237) comprising an amorphous resin portion and being curable; the coating material (237) being configured for being applied with a thickness of at least 15 m; wherein preferably the coating material (237) is configured for being applied with a thickness of at least 20 in particular with a thickness of at least 30 further in particular with a thickness of at least 40 m; the coating material comprising one or more of the following: (i) a polyester resin comprising at least one incorporated acid monomer and wherein at least 10 weight percent of the at least one incorporated acid monomer is isophthalic acid; (ii) a polyester resin containing 1 to 100 w-% of cycloaliphatic glycol compounds with respect to the total weight of the glycol compounds of the polyester resin component, in particular 2,2,4,4-tetraalkylcyclobutane-1,3-diol and/or 2,2,4,4-tetramethyl-1,3-cyclobutanediol; (iii) an acrylic resin; (iv) a fluorine containing polymer, in particular a hydroxyl functional fluorine polymer; (v) a polyurethane resin.
Electrostatic charge image developing toner and manufacturing method of same, image forming method, image forming system and output product using same
Provided is an electrostatic charge image developing toner including toner matrix particles containing at least a binder resin, wherein a photosensitizer having a singlet oxygen generating ability is contained inside the toner matrix particles or in an external additive attached to the toner matrix particles.