Abstract: A fixing belt includes a base member containing a metal, a sliding layer containing a filler and formed on a base member inner side, and a separation layer formed on a base member outer side. Assume that (i) a sliding layer cross section is obtained by cutting the sliding layer along a sliding layer thickness direction and is divided into sections each having a length that is the same as a sliding layer thickness in a direction perpendicular to the thickness direction, and (ii) a ratio of a filler area to a sliding layer area in each cross section sections is an area ratio. A period coefficient is calculated using the formula (Ave %?Min %)/Ave %, where an average of area ratios of filler areas in all the sections is Ave % and a minimum of the area ratios is Min %, and the calculated period coefficient is 0.6 or more.

Abstract: A photosensitive resin structure for a flexographic printing plate, including: a support (a); a photosensitive resin composition layer (b) laminated on the support (a); and an infrared ray ablation layer (c) laminated on the photosensitive resin composition layer (b), wherein the infrared ray ablation layer (c) contains a resin having a predetermined constituent unit (c1).

Abstract: A toner is provided, which has a toner particle that contains a binder resin, and organosilicon polymer particle on a surface of the toner particle. A methanol concentration a (vol %) of the organosilicon polymer particle in a wettability test and a methanol concentration b (vol %) of the toner particle in a wettability test satisfy Expression (I) below: |a?b|?25??(I), and an adhesion index of the organosilicon polymer particle on a polycarbonate film, calculated on the basis of Expression (II) below, is not more than 3.5: Adhesion index=area ratio c of the organosilicon polymer particle having migrated to the polycarbonate film/coverage ratio d of the organosilicon polymer particle on the surface of the toner particle×100??(II).

Abstract: A magnetic toner comprising a magnetic toner particle including a binder resin, a magnetic body and a crystalline polyester, wherein in cross-sectional observation of the magnetic toner particle using a transmission electron microscope, a variation coefficient CV3 of an occupied area ratio of the magnetic body when a cross section of the magnetic toner particle is divided by a square grid having a side of 0.8 ?m is from 40.0% to 80.0%, and assuming that a storage elastic modulus at 40° C. is taken as E?(40) [Pa] and a storage elastic modulus at 85° C. is taken as E?(85) [Pa], the storage elastic moduli being obtained in a powder dynamic viscoelasticity measurement of the magnetic toner, the following formulas (1) and (2) are satisfied. E?(85)?2.

Abstract: A photosensitive resin structure for a flexographic printing plate, containing (a): a support; (b): a photosensitive resin composition layer which is located on the support (a) and which contains a thermoplastic elastomer having a copolymer site of a monovinyl-substituted aromatic hydrocarbon and a conjugated diene; and (c): an infrared ray ablation layer which is laminated on the photosensitive resin composition layer (b) and which comprises a resin and carbon black, is ablatable with an infrared laser, and is a layer shielding a light beam other than infrared ray, wherein the resin in the infrared ray ablation layer (c) contains a copolymer of a monovinyl-substituted aromatic hydrocarbon and a conjugated diene, or a hydrogenated copolymer of a monovinyl-substituted aromatic hydrocarbon and a conjugated diene, and a primary particle diameter of the carbon black contained in the infrared ray ablation layer (c) is 13 nm or larger and 25 nm or smaller.

Abstract: The object of the present disclosure is to implement capturing of mist. One embodiment of the present invention is a printing apparatus including: a carriage, on which a print head that ejects a liquid is mounted, configured to reciprocate within a predetermined range in a second direction intersecting with a first direction; a partition member configured to partition an inside of the casing in the first direction into a first space in which the carriage reciprocates and a second space in which the carriage does not reciprocate; a first communication unit provided within the predetermined range in the second direction and configured to cause the first space and the second space to communicate with each other; and a second communication unit provided outside the first communication unit in the second direction and configured to cause the first space and the second space to communicate with each other.

Abstract: A device for fusion splicing, by an arc discharge, a pair or a plurality of pairs of optical fibers arranged so that end surfaces thereof face each other. An optical fiber arrangement portion positions the pair or the plurality of pairs of optical fibers between a pair of electrodes. A control portion controls a voltage applied to the pair of electrodes. The control portion generates a first discharge between the pair of electrodes, stops the first discharge between the pair of electrodes, and then generates an arc discharge between the pair of electrodes to fusion-splice the pair or the plurality of pairs of optical fibers to each other. A discharge time of the first discharge is 200 milliseconds or less. A time from stopping the first discharge to starting the arc discharge is 100 milliseconds or less.

Abstract: A toner comprising a resin that contains an amorphous segment and a crystalline segment as a binder resin, wherein a proportion of a tetrahydrofuran-insoluble matter of a resin component is from 40% by mass to 80% by mass; in differential scanning calorimeter measurement of the tetrahydrofuran-insoluble matter, where a temperature of a maximum endothermic peak is denoted by Tm [° C.] and an endothermic quantity is denoted by H(I) [J/g], the following formulas (1) and (2) are satisfied: 55.0?Tm?80.0??(1) 10.0?H(I)?80.0??(2).

Abstract: A toner including toner particles having a resin component containing a crystalline resin and an amorphous resin, in which the resin component contains a tetrahydrofuran-insoluble component, and the content of the tetrahydrofuran-insoluble component with respect to the content of the resin component is 5.0% to 80.0% by mass, wherein a maximum endothermic peak temperature of the tetrahydrofuran-insoluble component is 55.0 to 80.0° C., and the amount of heat absorption in the maximum endothermic peak of the tetrahydrofuran-insoluble component is 10.0 to 80.0 Pa, and toner particles have a structure which comprises a matrix containing the crystalline resin and domains containing the amorphous resin.

Abstract: A toner includes a toner particle containing a resin component including a crystalline resin and an amorphous resin. In a cross-sectional observation of the toner particle, a domain-matrix structure which comprises a matrix containing the crystalline resin and domains containing the amorphous resin is observed. The maximum endothermic peak temperature Tm of the toner determined by DSC is 50° C. to 80° C. When the storage elastic modulus of the toner at a temperature 5° C. lower than Tm is G?(?5) (Pa), and the storage elastic modulus of the toner at a temperature 5° C. higher than Tm is G?(+5) (Pa), G?(?5) and G?(+5) satisfy inequality (1), and when the maximum loss tangent of the toner in a temperature range of from 50° C. to 130° C. is tan ? (Max), tan ? (Max) satisfies inequality (2).

Abstract: An optical fiber fusion splicing method for performing fusion splicing through positioning of optical fibers to be spliced in a V-groove is provided. The optical fiber fusion splicing method includes pressing the optical fibers placed in the V-groove relatively toward the V-groove using a clamp, varying a clamp pressure of the clamp pressing the optical fibers, and moving the optical fibers placed in the V-groove with respect to the V-groove in an axial direction.

Abstract: A toner is provided, which has a toner particle that contains a binder resin, and organosilicon polymer particle on a surface of the toner particle. A methanol concentration a (vol %) of the organosilicon polymer particle in a wettability test and a methanol concentration b (vol %) of the toner particle in a wettability test satisfy Expression (I) below: |a?b|?25??(I), and an adhesion index of the organosilicon polymer particle on a polycarbonate film, calculated on the basis of Expression (II) below, is not more than 3.

Abstract: A toner including a toner particle containing a binder resin, wherein the binder resin contains a crystalline resin, and in viscoelasticity measurement of the toner with Tp being a peak temperature of an endothermic peak derived from the crystalline resin in DSC of the toner, given G?(Tp?5, 0.01 Hz) as a storage modulus at a temperature of Tp?5° C. and a frequency of 0.01 Hz, G?(Tp?5, 10 Hz) as a storage modulus at a temperature of Tp?5° C. and a frequency of 10 Hz, and G?(Tp?30, 10 Hz) as a storage modulus at a temperature of Tp?30° C. and a frequency of 10 Hz, the following formulae are satisfied: G?(Tp?30,10 Hz)/G?(Tp?5,0.01 Hz)?1.40 G?(Tp?5,10 Hz)/G?(Tp?5,0.01 Hz)?2.20.

Abstract: A toner comprising a toner particle containing a binder resin, the storage elastic modulus Gt? (150) of the toner at 150° C. is at least 1.0×104 Pa, the binder resin contains a polymer A having a first monomer unit derived from a first polymerizable monomer and a second monomer unit derived from a second polymerizable monomer different from the first polymerizable monomer, the first polymerizable monomer is selected from specific (meth)acrylic acid esters, the contents of the first monomer unit and second monomer unit in the polymer A are within specific ranges, and the SP values of the first monomer unit and second monomer unit are within specific ranges.

Abstract: A magnetic toner comprising a magnetic toner particle including a binder resin, a magnetic body and a crystalline polyester, wherein in cross-sectional observation of the magnetic toner particle using a transmission electron microscope, a variation coefficient CV3 of an occupied area ratio of the magnetic body when a cross section of the magnetic toner particle is divided by a square grid having a side of 0.8 ?m is from 40.0% to 80.0%, and assuming that a storage elastic modulus at 40° C. is taken as E?(40) [Pa] and a storage elastic modulus at 85° C. is taken as E?(85) [Pa], the storage elastic moduli being obtained in a powder dynamic viscoelasticity measurement of the magnetic toner, the following formulas (1) and (2) are satisfied. E?(85)?2.

Abstract: Provided is a magnetic toner having a toner particle containing a binder resin and a magnetic body, wherein the binder resin contains a polymer A having a first monomer unit and a second monomer unit, the first polymerizable monomer is at least one selected from the group consisting of the (meth)acrylic acid esters having C18-36 alkyl groups, a content of the first monomer unit and a content of the second monomer unit based on the total moles of all monomer units in the polymer A are respectively 5.0 to 60.0 mol % and 20.0 to 95.0 mol %, and assuming that an SP value of the first monomer unit and the second monomer unit are taken as SP11 (J/cm3)0.5 and SP21(J/cm3)0.5, respectively, 3.00?(SP21?SP11)?25.00 is satisfied, and an oil absorption of the magnetic body is 5 to 40 ml/100 g.

Abstract: A toner comprising a toner particle including a binder resin, wherein in a temperature T (° C.)-storage elastic modulus G? (Pa) curve obtained by measuring the toner with a rheometer, a storage elastic modulus G? (80° C.) at 80° C. is from 2.0×103 Pa to 2.0×105 Pa; and a local minimum value of a change amount (dG?/dT) of a storage elastic modulus G? in a range of 60° C. to 80° C. with respect to a temperature T is ?1.0×106 or less, and when the temperature of the toner is raised, where a projected area of the toner at 80° C. is S1 (?m2), a radius of the projected area of the toner at 80° C. is R1 (?m), and a projected area of the toner at 120° C. is S2 (?m2), the S1, R1 and S2 satisfy a following formula (1): S2/S1×1/R1?0.22.

Abstract: A toner including a toner particle containing a polyester resin composition, wherein i) the polyester resin composition contains a specific aliphatic hydrocarbon and a polyester resin having at a terminal a structure derived from at least one of a specific alkyl monoalcohol and a specific alkyl monocarboxylic acid, and ii) the total content of the aliphatic hydrocarbon, the structure derived from the alkyl monoalcohol, and the structure derived from the alkyl monocarboxylic acid is 2.5 to 10.0% by mass, wherein, in the temperature-endothermic quantity curve of the polyester resin composition obtained by DSC, an endothermic peak is present in a specific temperature range and an endothermic quantity for this endothermic peak is 0.10 to 1.90 J/g.

Abstract: A toner comprising a resin that contains an amorphous segment and a crystalline segment as a binder resin, wherein a proportion of a tetrahydrofuran-insoluble matter of a resin component is from 40% by mass to 80% by mass; in differential scanning calorimeter measurement of the tetrahydrofuran-insoluble matter, where a temperature of a maximum endothermic peak is denoted by Tm [° C.] and an endothermic quantity is denoted by H(I) [J/g], the following formulas (1) and (2) are satisfied: 55.0?Tm?80.0??(1) 10.0?H(I)?80.0??(2).