摘要:
A toner comprises toner particles each containing a binder resin and a crystalline compound represented by a specific chemical formula. The crystalline compound. exhibits a CuKα X-ray diffraction spectrum having a diffraction peak at a Bragg angle 2θ±0.2 in the range of 4.0° to 5.0°. The diffraction peak has a half-value width of 0.7° or more.
摘要:
A toner including a toner particle containing a binder resin, a pigment, a pigment dispersant and an amorphous resin, in which the pigment dispersant has a rate of adsorption A1 (%) to the pigment of at least 80% and not more than 100%, the amorphous resin has a rate of adsorption A2 (%) to the pigment of at least 0% and not more than 60%, the binder resin has an Rf value (RfL) of at least 0.50 and not more than 1.00, and the amorphous resin has an Rf value (RfH) of at least 0.00 and not more than 0.35.
摘要:
The present invention provides a toner having a toner particle that contains a binder resin, wherein the binder resin contains a vinylic resin and a polyester resin, the vinylic resin contains an organic silicon polymer having a specific structure, the organic silicon polymer is contained in the surface layer of the toner particle, the proportion of a silicon atom in the organic silicon polymer having a specific structure is at least 5%, the polyester resin is a specific polymer, and the toner particle contains a specific amount of the polyester resin.
摘要:
A process includes forming an emulsion comprising a monomer and a colorant, the colorant further including an anionic functional group and a lipophilic counter ion, and polymerizing the monomer to form a latex, the latex includes polymer nanoparticles having the colorant dispersed therein.
摘要:
The present disclosure relates to a composition and a method to prepare a polymer nanoparticle using miniemulsion polymerization (MEP) comprising a monomer, a reactive co-stabilizer and a reactive surfactant. The reactive co-stabilizer as disclosed is a methacrylate containing perfluorinated or semifluorinated side chains like 1H,1H,2H,2H-perfluorodecyl methacrylate (H2F8MA). Further, the reactive stabilizer as used in the preparation is cetyl trimethyl ammonium chloride (CTAB). The polymer nanoparticle as formed has an enhanced stability and low VOC as compared to a pure polymer prepared by MEP.
摘要翻译:本公开涉及使用包含单体,反应性共稳定剂和反应性表面活性剂的细乳液聚合(MEP)制备聚合物纳米颗粒的组合物和方法。 所公开的反应性共稳定剂是含有全氟化或半氟化侧链,如1H,1H,2H,2H-全氟癸基甲基丙烯酸酯(H 2 F 8 MA)的甲基丙烯酸酯。 此外,制备中使用的反应性稳定剂是十六烷基三甲基氯化铵(CTAB)。 与由MEP制备的纯聚合物相比,形成的聚合物纳米颗粒具有增强的稳定性和低VOC。
摘要:
An electrostatic charge image developing toner includes a toner particle that contains a binder resin and is surface-modified by a polymer obtained by polymerizing a monomer containing dicyandiamide and diethylenetriamine, wherein toner particles have positive charging properties.
摘要:
The present invention is an image-forming method in which, when θ(A) is the contact angle relative to water of a surface of a photosensitive member and θ(B) is the contact angle relative to water of a surface of an intermediate transfer member, θ(B) is from 100° to 150°; θ(A) and θ(B) satisfy −70°≦θ(A)-θ(B)
摘要:
The toner is a low-environmental load toner for electrostatic image development. The toner includes toner particles containing a resin. The resin contains a vinyl polymer having a structural unit represented by the following general formula (1). In the formula, R1 to R5 are each a hydrogen atom, an alkoxy group having 1 to 4 carbon atoms or —OCOR6 (R6 is an alkyl group having 1 to 8 carbon atoms), at least two of R1 to R5 are hydrogen atoms, and at least one thereof is an alkoxy group having 1 to 4 carbon atoms or —OCOR6.
摘要:
A process includes forming an emulsion comprising a monomer and a colorant, the colorant further including an anionic functional group and a lipophilic counter ion, and polymerizing the monomer to form a latex, the latex includes polymer nanoparticles having the colorant dispersed therein.
摘要:
A polymerizable monomer is provided which is represented by the following formula (1): wherein R1 represents a hydrogen atom or an alkyl group; A represents —CO— or —SO2—; and the moiety represented by the formula (1) is, at the part shown by an asterisk *, linked to a moiety represented by the following formula (2), at any position of a, b, c or d thereof; wherein the sites among a, b, c and d at which the moiety represented by the formula (2) is not linked to the moiety represented by the formula (1) each has a hydrogen atom or a substituent selected from the group consisting of an alkyl group, an alkoxy group and a sulfonic acid group, or any of which may connect at mutually adjoining positions to form a ring.