Abstract: Provided is a binder composition for a non-aqueous secondary battery containing: a particulate polymer formed of a block copolymer including an aliphatic conjugated diene monomer unit and a block region formed of an aromatic vinyl monomer unit; at least one saturated hydrocarbon selected from the group consisting of a chain alkane having a carbon number of not less than 5 and not more than 8 and a cycloalkane having a carbon number of not less than 5 and not more than 8; and water. The content of the saturated hydrocarbon is not less than 0.001 parts by mass and not more than 0.1 parts by mass per 100 parts by mass of the particulate polymer.

Abstract: Provided is a binder composition for a non-aqueous secondary battery electrode with which it is possible to form a slurry composition for a non-aqueous secondary battery electrode having excellent stability and an electrode for a non-aqueous secondary battery having excellent peel strength after thermal drying. The binder composition for a non-aqueous secondary battery electrode contains a particulate polymer A and a particulate polymer B. The particulate polymer A includes: a backbone portion formed of a block copolymer that includes an aromatic vinyl monomer unit and an aliphatic conjugated diene monomer unit; and a graft portion. The particulate polymer B includes an aliphatic conjugated diene monomer unit in a proportion of 70.0 mass % or more and includes a graft portion.

Abstract: A binder composition for a non-aqueous secondary battery contains a particulate polymer including a block copolymer A represented by the following general formula (A): Ar1a-Da-Ar2a. (In general formula (A), Ar1a indicates a block region that has a weight-average molecular weight of 5,500 to 20,000 and is formed of an aromatic vinyl monomer unit, Ar2a indicates a block region that has a weight-average molecular weight of 40,000 to 400,000 and is formed of an aromatic vinyl monomer unit, and Da indicates a block region that is formed of an aliphatic conjugated diene monomer unit.

Abstract: Provided is a binder composition for a non-aqueous secondary battery electrode that can form an electrode having excellent peel strength and a secondary battery having excellent cycle characteristics. The binder composition for a non-aqueous secondary battery electrode contains a hindered phenol antioxidant and a particulate polymer formed of a graft polymer that includes a hydrophilic graft chain and that is obtained through a graft polymerization reaction of 1 part by mass to 40 parts by mass, in total, of either or both of a hydrophilic monomer and a macromonomer with 100 parts by mass of core particles containing a block copolymer that includes an aromatic vinyl block region formed of an aromatic vinyl monomer unit and an isoprene block region formed of an isoprene unit, and in which proportional content of the isoprene block region is 70 mass % to 99 mass %.

Abstract: Provided is a binder composition for a non-aqueous secondary battery containing: a particulate polymer formed of a block copolymer including an aliphatic conjugated diene monomer unit and a block region formed of an aromatic vinyl monomer unit; at least one saturated hydrocarbon selected from the group consisting of a chain alkane having a carbon number of not less than 5 and not more than 8 and a cycloalkane having a carbon number of not less than 5 and not more than 8; and water. The content of the saturated hydrocarbon is not less than 0.001 parts by mass and not more than 0.1 parts by mass per 100 parts by mass of the particulate polymer.

Abstract: The present invention is to provide a method for producing a toner capable of sufficiently decreasing the percentage of moisture content of a wet cake in the process of obtaining colored resin particles in wet state (wet cake), capable of reducing the workload in the following drying process, and thus excellent in productivity.

Abstract: The present invention provides a toner for developing electrostatic image comprising a colored particle containing a binder resin, a colorant and a release agent, wherein the toner for developing electrostatic image has two or more peaks of loss tangent (tan ?) in the range from 50 to 120° C., a loss tangent (tan ?) in the range from 100 to 200° C. is 0.8 or less, and a dispersed diameter of the release agent is 0.1 times or less shorter than a volume average particle diameter of the colored particle.

Abstract: The color toner for developing electrostatic latent images comprising a colored resin particle containing at least a binder resin, a colorant, a charge control agent and a parting agent, wherein an extracted liquid with water by means of a hot water extraction method from said colorant has a pH value in the range from 6.0 to 8.0, said colored resin particle has a volume average particle diameter (Dv) in the range from 4 to 10 ?m and an average circularity in the range from 0.93 to 0.995, an amount of extracted components with methanol is 7% by weight or less, and an amount of residual volatile compounds is 500 ppm or less. The color toner for developing electrostatic latent images has excellent image-reproducibility and environmental durability and can form an image with a stable image density under a high temperature and high humidity condition.

Abstract: An image forming method using a cleaning blade which prevents the spherical toner to pass through a gap between the blade and a photosensitive member and which has durability so as to be less worn away or chipped, wherein it is possible to maintain cleaning performance over a long term even in high-speed printing using spherical toner, and a non-transferred toner and external additives dropping out from colored particles less causes filming on the photosensitive member and less gives damage to the surface of the photosensitive member, is provided. A method of forming an image using a toner having an average circularity of 0.95 to 0.998 to perform developing, transferring, fixing and cleaning for removing the toner remaining on the photosensitive member after the transferring by a cleaning blade 6 abutting on the photosensitive member, wherein an abutting portion of the cleaning blade 6 on the photosensitive member has an indentation modulus (A) of 5 to 15 KPa at an indenting load of 10 mN and 23° C.

Abstract: The present invention is to provide a method for producing a toner capable of sufficiently decreasing the percentage of moisture content of a wet cake in the process of obtaining colored resin particles in wet state (wet cake), capable of reducing the workload in the following drying process, and thus excellent in productivity.

Abstract: An image forming method using a cleaning blade which prevents the spherical toner to pass through a gap between the blade and a photosensitive member and which has durability so as to be less worn away or chipped, wherein it is possible to maintain cleaning performance over a long term even in high-speed printing using spherical toner, and a non-transferred toner and external additives dropping out from colored particles less causes filming on the photosensitive member and less gives damage to the surface of the photosensitive member, is provided. A method of forming an image using a toner having an average circularity of 0.95 to 0.998 to perform developing, transferring, fixing and cleaning for removing the toner remaining on the photosensitive member after the transferring by a cleaning blade 6 abutting on the photosensitive member, wherein an abutting portion of the cleaning blade 6 on the photosensitive member has an indentation modulus (A) of 5 to 15 KPa at an indenting load of 10 mN and 23° C.

Abstract: A toner for developing an electrostatic latent image, comprising a toner particles containing at least a binder resin, a colorant and a charge control agent, the toner particles having a volume mode diameter (a) from 5 to 10 ?m, a ratio (Dv/Dp), of a volume average particle diameter (Dv) to a number average particle diameter (Dp), from 1.0 to 1.3, and an average circle degree from 0.97 to 0.995, the toner particles having a standard deviation (b) not more than 2 ?m of the particle diameter, the toner particles having a ratio (C1/C2) from 1.00 to 1.

Abstract: A developer for development of electrostatic images, comprising colored particles containing a binder resin, a colorant and a parting agent, and an external additive, wherein the developer has properties that a work function is at least 5.70 eV; when excitation energy (eV) in the measurement of the work function is plotted on an axis of abscissa, and a normalized photoelectron yield represented by the 0.5th power of a photoelectron yield per unit photon is plotted on an axis of ordinate, a gradient of the normalized photoelectron yield to the excitation energy is at least 15/eV; and an extraction quantity with methanol is 5.0% by weight or less, and a production process thereof.

Abstract: The present invention provides a toner for developing an electrostatic latent image which is capable of obtaining sufficient image density and preventing transfer failure even in a state that a toner is likely to be deficient in charge amount or charge distribution such as when the consumption rate of toner is high or in the early stage of printing. A toner for developing an electrostatic latent image is a toner comprising a colored particle containing a colorant and a binder resin, wherein a work function X (eV) of the toner obtained in measuring work function and a gradient A (1/eV) of a normalized photoelectron yield with respect to an excitation energy calculated from a formula “normalized photoelectron yield/excitation energy” are in the ranges of 5.35<X<5.60 and A?55X+290>0, is disclosed.

Abstract: The color toner for developing electrostatic latent images comprising a colored resin particle containing at least a binder resin, a colorant, a charge control agent and a parting agent, wherein an extracted liquid with water by means of a hot water extraction method from said colorant has a pH value in the range from 6.0 to 8.0, said colored resin particle has a volume average particle diameter (Dv) in the range from 4 to 10 ?m and an average circularity in the range from 0.93 to 0.995, an amount of extracted components with methanol is 7% by weight or less, and an amount of residual volatile compounds is 500 ppm or less. The color toner for developing electrostatic latent images has excellent image-reproducibility and environmental durability and can form an image with a stable image density under a high temperature and high humidity condition.

Abstract: A toner for developing electrostatic latent images comprising a colored resin particle containing a binder resin, a colorant and a parting agent, and an external additive, wherein a volume average particle diameter (Dv) is 4 to 10 ?m and an average circularity is in the range of 0.93 to 0.995; an arithmetic average roughness Ra of a surface of the toner is in the range of 0.05 to 0.3 ?m; a 10-point average roughness of the surface of the toner is in the range of 0.5 to 2.5 ?m; an angle of repose is in the range of 10 to 35°; and a transformation ratio of the toner applied with a pressure of 1 mN/mm2 for 5 seconds by means of a microcompression tester is 20% or less. The toner has an excellent balance between offset and low-temperature fixing performance and an excellent shelf stability when used in a high-printing speed printer. And, by using the toner, an image can be formed without deteriorating image quality by environmental change, and excellent cleaning ability can be provided.

Abstract: The present invention provides a toner for developing electrostatic image comprising a colored particle containing a binder resin, a colorant and a release agent, wherein the toner for developing electrostatic image has two or more maximum values of peaks or shoulders of loss tangent (tan ?) in the range from 50 to 120° C., a loss tangent (tan ?) in the range from 100 to 200° C. is 0.8 or less, and a dispersed diameter of the release agent is 0.1 times or less shorter than a volume average particle diameter of the colored particle.

Abstract: A toner of the present containing a colored resin particle comprising a binder resin, a colorant, a charge control agent and a parting agent, has the following properties: (1) the colored resin particle has a volume average particle diameter (Dv) in the range of 4 to 9 ?m; (2) the colored resin particle has an average sphericity in the range of 0.93 to 0.995; (3) the toner has a share viscosity (?1) in the range of 800 to 3,500 Pa·s at a temperature of 130° and a shear rate of 10/s; and (4) the toner has a share viscosity (?2) in the range of 100 to 1,000 Pa·s at a temperature of 130° and a shear rate of 500/s. The toner can be fixed at a low temperature even when the toner is used for a high-speed printing apparatus and has an excellent durability and shelf stability as well as an excellent hot-offset resistance.

Abstract: A toner for developing electrostatic latent images comprising a colored resin particle containing a binder resin, a colorant, a charge control agent and a parting agent, has the following properties: (1) the colored resin particle has a volume average particle diameter (Dv) in the range of 4 to 9 ?m; (2) the colored resin particle has an average circularity in the range of 0.93 to 0.995; (3) a share viscosity (?1) at a temperature of 130° and a shear rate of 10/s is 3,500 to 8,000 Pa·s; (4) a share viscosity (?2) at a temperature of 130° and a shear rate of 500/s is 300 to 1,300 Pa·s; and (5) a content A of a component having a volatilization temperature of 130° C. or lower is 100 ppm or smaller; (6) a content B of a component having a volatilization temperature of higher than 130° C. to 180° C. is 100 ppm or smaller; (7) a total of the content A and the content B is 150 ppm or smaller; and (8) a ratio of the content A to the content B is 1.0 or smaller.

Abstract: The toner for developing an electrostatic latent images of the present invention, comprising colored resin particles containing at least a binder resin and a colorant wherein said colored resin particles have a volume average particle diameter (Dv) in the range from 4 to 10 ?m and an average circularity in the range from 0.930 to 0.995 and, a zeta potential (E1) of the toner after laid still under a condition at a temperature of 23° C. and a humidity of 50% for one day and night is in the range from ?50 to ?10 mV and a difference is less than 5 mV between a zeta potential (E2) of the toner after laid still under an environment of temperature of 50° C. and humidity of 80% for two weeks and El. According to the present invention, there are provided toners for developing electrostatic images, which forms images without losing quality due to environmental changes and also has excellent storage stability and flowability.