Abstract: An image forming method according to an aspect of the present invention includes supplying a water based ink to an inkjet head at a flow rate of 5 mL/min or more and 120 mL/min or less, and ejecting the supplied water based ink from a nozzle of the inkjet head. The water based ink contains a colorant and a water-insoluble resin having a glass transition temperature of 40° C. or higher and 100° C. or lower.

Abstract: An electrostatic-image developing toner set includes a white toner including white toner particles including a polyester resin and a white colorant; and a colored toner other than a white toner, the colored toner including colored toner particles including a vinyl resin, a polyester resin, and a colored colorant, in which a mass ratio C of the polyester resin included in the colored toner particles to the vinyl resin included in the colored toner particles is 0.7 or more and 10 or less, and when a cross section of the colored toner particles is observed, the polyester resin forms a domain having a maximum diameter of 100 nm or more and 1 ?m or less.

Abstract: A toner set for electrostatic image development includes a white toner including white toner particles containing a polyester resin and a white colorant, and a non-white color toner including color toner particles containing a vinyl resin, a polyester resin, and a color colorant, in which a mass ratio C of the polyester resin to the vinyl resin in the color toner particles is 0.7 or more and 10 or less.

Abstract: An electrostatic-image developing toner set includes a white toner including white toner particles including a polyester resin and a white colorant, and a colored toner other than a white toner, the colored toner including colored toner particles including a vinyl resin, a polyester resin, and a colored colorant, in which the mass ratio C of the polyester resin included in the colored toner particles to the vinyl resin included in the colored toner particles is 0.7 or more and 10 or less, and when the cross section of the colored toner particles is observed, the area fraction of the polyester resin present in a surface layer region of the colored toner particles, the surface layer region corresponding to 15% of the area of the cross section of the colored toner particles, is 60% or more and 100% or less.

Abstract: An inkjet ink includes a gelling agent and a polymerizable compound that is polymerized by active rays, and the inkjet ink undergoes sol-gel phase transition by the gelling agent. The polymerizable compound includes a first polymerizable compound, wherein the first polymerizable compound includes a benzene ring and further includes one or more ethylene oxide groups and/or one or more propylene oxide groups in a molecule thereof, and the total number of the ethylene oxide groups and the propylene oxide groups is 2 or more; the content of the first polymerizable compound is more than 5% by mass based on the total mass of the inkjet ink; and the gelling agent is a compound that causes the ink to undergo a reversible sol-gel phase transition by a temperature change, and the gelling includes a hydrocarbon group having 22 or less carbon atoms.

Abstract: A curable composition cured by irradiation with active rays. The content of a monofunctional polymerizable compound having a melting point of 25° C. or less is 5-50% by mass; the content of a polyfunctional polymerizable compound is 50-95% by mass. When a nanoindentation evaluator is used to press an indenter into a cured film (obtained by curing a coating film with an average thickness of 8 ?m by irradiation with an active ray at a cumulative light amount of 400 mJ/m2) by 100 nm in the thickness direction, P1 is a load amount required for pressing, and P2 is a load amount after the pressing is maintained for 2 seconds, the cured film satisfies conditions (1) and (2): (1) P2 is 20 ?N or less, and (2) A relaxation rate determined by an expression ((P1?P2)/P1×100) is 15% or more.

Abstract: A method for producing a carbon fiber bundle composite comprising: mixing carbon fiber fluff made of short carbon fibers and a bundling liquid containing an uncured thermosetting resin to obtain a carbon fiber bundle containing the bundling liquid; and adding a curing agent to the bundling liquid to make the bundling liquid thermosetting. A method for producing a carbon fiber composite sheet comprising: mixing carbon fiber fluff made of short carbon fibers and a bundling liquid containing an uncured thermosetting resin to obtain a carbon fiber bundle containing the bundling liquid; making the bundling liquid thermosetting by adding a curing agent; and bonding a plurality of the carbon fiber bundles to each other after adding the curing agent to the bundling liquid.

Abstract: Provided are a method for producing a carbon fiber bundle composite and a carbon fiber bundle composite. The method contains a step of mixing carbon fiber fluff made of short carbon fibers and a molten resin containing an epoxy resin component to obtain a carbon fiber bundle containing the molten resin, a step of solidifying the molten resin, and a step of mixing at least one type of epoxy curing agent into the molten resin. The carbon fiber bundle composite contains a plurality of short carbon fibers forming the bundle and an uncured solid epoxy resin composition. The positions of the tips of the short carbon fibers are uneven at each end of the bundle; and the uncured solid epoxy resin composition contains at least one type of epoxy curing agent.

Abstract: A method for producing a fiber assembly, including: putting a plurality of fibers and a fiber treatment agent into a stirring tank; and stirring a mixture of the fibers and the fiber treatment agent with a stirring blade to granulate the mixture, wherein the fibers include carbon fibers, and the mixture is granulated such that the fibers are aligned. A method for producing a fiber assembly, wherein a plurality of fibers containing carbon fibers and a liquid are put into a stirring tank and the mixture of the fibers and the liquid is stirred with a stirring blade, thereby obtaining a fiber assembly which has a spheroidal shape or a strand shape.

Abstract: A prepreg including a thermosetting resin composition and a self-assembled carbon fiber bundle impregnated with the thermosetting resin composition.

Abstract: A recording method includes: conveying a recording medium; and performing recording by ejecting droplets of an inkjet ink onto the recording medium while conveying the recording medium, wherein, a conveyance speed of the recording medium is 500 mm/s or more, the inkjet ink contains at least water and a pigment, the content of the pigment is 5% by mass or more with respect to a total amount of the inkjet ink, and one droplet of the inkjet ink has a volume of 3 pL or less.

Abstract: An epoxy adhesive that includes an epoxy resin (A) and a curing agent (B), with the epoxy resin (A) including a bisphenol-A epoxy resin (A1), a bisphenol-F epoxy resin (A2) and a rubber-modified epoxy resin (A3). The content ratio [(A1)/(A2)] of the bisphenol-A epoxy resin (A1) to the bisphenol-F epoxy resin (A2) is less than 2.7.

Abstract: A liquid composition including a resin and an inorganic filler, wherein the inorganic filler comprises a zeolite having a particle size of 1.0 ?m or more and 10 ?m or less and a small particle size inorganic filler having a particle size of 0.1 ?m or more and less than 1.0 ?m.

Abstract: An image forming method according to an aspect of the present invention includes supplying a water based ink to an inkjet head at a flow rate of 5 mL/min or more and 120 mL/min or less, and ejecting the supplied water based ink from a nozzle of the inkjet head. The water based ink contains a colorant and a water-insoluble resin having a glass transition temperature of 40° C. or higher and 100° C. or lower.

Abstract: A toner for developing an electrostatic charge image includes toner particles having an average circularity Cc of 0.80 or more and less than 0.98, and an external additive containing monodisperse silica particles and titanate compound particles, in which a ratio A/B of a coverage A (%) of the monodisperse silica particles on protruding portions of toner particle surfaces to a coverage B (%) of the monodisperse silica particles in recessed portions of the toner particle surfaces is 1.05 or more.

Abstract: A sheet accommodating apparatus includes a main body portion, a loading portion that is provided in the main body portion and supports a portion of a sheet loaded thereon from below, a lifting unit that lifts the loading portion, and a supporting portion that is connected to the main body portion and supports another portion of the sheet from below during a process in which the loading portion is lifted.

Abstract: A method for producing a silica composite particle including a silica particle and at least one compound in which an aluminum atom bonds to an organic group through oxygen. The method includes: (i) providing a silica particle dispersion liquid having a silica particle content of about 20 mass % or more; (ii) mixing and reacting a compound represented by formula (S1) and the silica particle dispersion liquid to obtain a slurry; (iii) providing the at least one compound; and (iv) then mixing and reacting the slurry with the at least one compound to form the silica composite particle.

Abstract: An electrostatic charge image developing toner contains: a toner particle including a core portion containing a binder resin and a release agent that has a melting temperature Tm of 80° C. or less, and a coating layer that coats the core portion and contains an amorphous polyester resin, and the toner particle has a cross section in which one or more and three or less domains of the release agent are present in the core portion, the one or more and three or less domains having a circle-equivalent diameter of 1 ?m or more and 3 ?m or less, the toner particle has a volume average particle diameter of 4.2 ?m or more and 5.8 ?m or less, and a ratio of a thickness of the coating layer to a maximum diameter of the toner particle is 1% or more and 25% or less in the cross section.

Abstract: A sheet feeding device includes a sheet stacking unit, a long sheet stacking unit, a first guide, a first detector, and a closing unit. The sheet stacking unit is movable up and down. Sheets are stacked on the sheet stacking unit. The long sheet stacking unit is detachably mounted on the sheet stacking unit. Long sheets are stacked on the long sheet stacking unit. The first guide is movable along a feeding direction through a groove. The first guide is deformable into a shape that does not interfere with the long sheet stacking unit. The first guide guides a rear end portion of the sheets in the feeding direction. The first detector is provided in the first guide. The first detector detects the sheets stacked on the sheet stacking unit. The closing unit is detachably attached to the groove in the sheet stacking unit. The closing unit closes the groove.

Abstract: A laminate produced by laminating a plurality of materials having different linear expansion coefficients via an adhesive agent and is less liable to warp after the adhesive agent is heat-cured. The laminate has a structure including a first material, an adhesive agent layer, and a second material. The first material and the second material have different linear expansion coefficients, and the adhesive agent layer contains an adhesive agent having a warpage reduction index of not less than 30 as calculated from the following expression (1): Warpage reduction index=100?(WA/WB)×100??(1).