摘要:
A toner for electrostatic latent image development is disclosed comprising colored particles containing a binder resin and a colorant and external-additive particles attached to the surfaces of the colored particles, wherein the external-additive particles comprise resin particles covered with an inorganic layer, and the resin particles are bound to the inorganic layer by a siloxane bond. A preparation method of the toner is also disclosed.
摘要:
A toner for an electrophotography and its manufacturing method are disclosed. The toner comprises toner particles containing a cross-linked polymer having two-valent crosslinking group represented by Formula (1), wherein, R1 is a hydrogen atom or a chlorine atom, R2 is a hydrogen atom, a chlorine atom or a methoxy group. The toner satisfies storage durability against heat as well as sufficient low temperature fixing ability.
摘要:
A hydrophobilization method is disclosed, comprising subjecting particles to a hydrophobilizing treatment in an aqueous medium with a hydrophobilizing agent to hydrophobilize surfaces of the particles, wherein the surfaces of the particles are hydrophobilized with the hydrophobilizing agent in the presence of a phase transfer catalyst.
摘要:
A production method of a toner for developing an electrostatic image composed of toner parent particles and external additives adhered to a surface the toner parent particles is disclosed. The method includes steps of preparing toner parent particles dispersion liquid in which toner parent particles are dispersed in a medium, first mixing the dispersion liquid with a quaternary ammonium salt compound and a water soluble organic solvent to prepare liquid mixture, and second mixing the liquid mixture with external additive dispersion liquid in which negative charged external additives are dispersed.
摘要:
A method of producing a water dispersion of polyester resin particles containing the steps of: emulsifying and dispersing at least a diol, a dicarboxylic acid and at least one polycondensation catalyst selected from a surfactant catalyst and a rare earth metal catalyst in water to form an emulsified dispersion liquid; and irradiating the emulsified dispersion liquid with a microwave to conduct a polycondensation reaction, whereby polyester resin particles are produced.
摘要:
A toner for developing electrostatic latent images, including a binder resin, and a colorant, wherein the binder resin includes an amorphous resin obtained from a radical polymerizable monomer unit containing a styrene type monomer and a (meth)acrylic ester type monomer and a crystalline resin, and a ratio (Q2/Q1) is 0.85 or more, where Q1 represents an amount of absorbed heat based on an endothermic peak derived from the crystalline resin in a first temperature rising process from 0° C. to 200° C. in measurement with a differential scanning calorimeter, and Q2 represents an amount of absorbed heat based on an endothermic peak derived from the crystalline resin in a second temperature rising process from 0° C. to 200° C.
摘要:
Provided is a toner containing toner particles containing a polyester resin which has a structure part represented by Formula (1): wherein, “A” represents a polyester structure unit having at least one linking group; R1 represents a hydrogen atom, or a chlorine atom; R2 represents a hydrogen atom, a chlorine atom, or a methoxy group; and “L” represents a divalent organic group.
摘要:
To provide a fixing solution and an image forming method in which faster fixing rate and faster drying rate can be achieved while the amount of fixing solution supplied is reduced and furthermore, a wet feeling in a formed image is reduced and an image having a high fixing strength can be formedA fixing solution that softens a toner to fix a toner image constituted by the toner to an image support contains a hydroxyl group-containing ester compound expressed by general formula (1) below; R1—(CO)—O—R2 general formula (1) where R1 represents a linear or branched alkyl group having 6 to 11 carbon atoms, and R2 represents a linear or branched alkyl group having at least one hydroxyl group and 2 to 4 carbon atoms.
摘要翻译:为了提供一种定影溶液和图像形成方法,其中可以减少定影液的供给量,同时减少定影液的量,同时可以实现更快的定影速度和更快的干燥速度,并且减少形成的图像的湿感和具有高定影性的图像 可以形成强度将调色剂软化以将由调色剂构成的调色剂图像固定在图像载体上的定影液含有由下述通式(1)表示的含羟基的酯化合物; R 1(CO)-O-R 2通式(1)其中R 1表示具有6至11个碳原子的直链或支链烷基,R 2表示具有至少一个羟基和2至4个碳原子的直链或支链烷基 原子
摘要:
An image forming method that can obtain a high fixing strength and reduce the occurrence of a document offset phenomenon is provided.In the image forming method the polyester resin forming the binder resin of the toner is obtained by condensing and polymerizing a carboxylic component containing at least one compound selected from chemical formula (1), (2) and (3) shown below that is an addition reactant of abietic acid and a carboxylic compound having an unsaturated double bond and an alcohol component, and the content of at least the one compound selected from the chemical formula (1), (2) and (3) in the carboxylic component is 5% by mass or more, and the fixing agent contains an alkylene carbonate which may have a substituent group or an aliphatic alkyl carboxylic acid ester which may have a substituent group.
摘要:
In an image forming method of wet fixing system, the fixing solution contains an ester compound represented by at least one of general formula (1) and general formula (2) below: R11—(CO)—O—R12 General formula (1): where R11 represents a linear or branched alkyl group having at least one hydroxyl group and 2 to 11 carbon atoms, and R12 represents a linear or branched alkyl group having 1 to 4 carbon atoms; R21—O—(CO)—R22—(CO)—O—R23 General formula (2): where R21 represents a linear or branched aliphatic hydrocarbon group having 1 to 4 carbon atoms, R22 represents a linear or branched aliphatic hydrocarbon group having at least one hydroxyl group and 1 to 8 carbon atoms, and R23 represents a linear or branched aliphatic hydrocarbon group having 1 to 4 carbon atoms.