Disclosed herein is a toner composition, developer and additive for a toner composition. The toner composition includes toner particles having at least one resin, an optional colorant, an optional wax, and a crosslinked polymer particle on at least a portion of an external surface of the toner particles. The crosslinked polymeric particle on a surface of the toner particles includes at least a hydrophobic monomer comprising a non-fluorinated monomer having a carbon to oxygen (C/O) ratio of 3 or greater or a fluorinated monomer. The crosslinked polymer particle includes a second monomer comprising two or more vinyl groups present in an amount from about 8 wt % to about 40 wt % of the copolymer, a metal oxide and optionally a charge control agent monomer.

Described herein is a printed photovoltaic cell comprising an anode; an LEP printed cathode; and an LEP printed photovoltaic layer disposed between the anode and the cathode. The photovoltaic layer comprises a material with a perovskite structure having a chemical formula selected from ABX.sub.3 and A.sub.2BX.sub.6 and a thermoplastic resin comprising a copolymer of an alkylene monomer and a monomer having acidic side groups; and/or a copolymer of an alkylene monomer and an ethylenically unsaturated monomer comprising an epoxide; and/or a copolymer of an alkylene monomer, an ethylenically unsaturated monomer comprising an epoxide, and a monomer selected from a monomer having acidic side groups, a monomer having ester side groups and a mixture thereof. The printed cathode comprises: a thermoplastic resin; and electrically conductive metal particles. Also described herein is a method of producing the printed photovoltaic cell and an ink set for use in the method.

An electrostatic charge image developing green toner contains green toner particles containing a binder resin, an azomethine fluorescent pigment having an emission peak in a wavelength region of 500 nm or more and 550 nm or less in an emission spectrum, and a non-fluorescent pigment having a reflection peak in a wavelength region of 480 nm or more and 540 nm or less in a reflection spectrum, in which a mass-based ratio M2/M1 of a content M2 of the non-fluorescent pigment to a content M1 of the azomethine fluorescent pigment is 0.05 or more and 1.5 or less, and a total content of the azomethine fluorescent pigment and the non-fluorescent pigment with respect to a total amount of the green toner particles is 5% by mass or more and 15% by mass or less.

A toner for electrostatic image development contains toner particles containing a binder resin. The binder resin includes an amorphous resin and a crystalline resin. In the toner particles, a Net intensity of elemental Mg measured by X-ray fluorescence analysis is from 0.02 to 0.15 inclusive, and a Net intensity of elemental Cl measured by X-ray fluorescence analysis is from 0.02 to 0.60 inclusive.

An image forming method includes: forming a toner image on a print medium by using a toner including toner particles having a binder resin which contains a condensate of straight-chain diol having 2 to 6 carbon atoms, an alkylene oxide adduct of bisphenol A and polyvalent carboxylic acid; and applying, to the toner image, a fixing solution containing an ester-based softening agent having a boiling point of not less than 180° C. so as to fix the toner image to the print medium.

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).

Novel support material formulations, characterized as providing a cured support material with improved dissolution rate, while maintaining sufficient mechanical strength, are disclosed. The formulations comprise a water-miscible non-curable polymer, a first water-miscible, curable material and a second, water-miscible material that is selected capable of interfering with intermolecular interactions between polymeric chains formed upon exposing the first water-miscible material to curing energy. Methods of fabricating a three-dimensional object, and a three-dimensional object fabricated thereby are also disclosed.

Provided is a toner has a toner particle containing a binder resin and is characterized in that the binder resin contains a polymer A, which is a polymer of a composition containing a first polymerizable monomer, a second polymerizable monomer and a crosslinking agent, the first polymerizable monomer is at least one monomer selected from the group consisting of (meth)acrylic acid esters having an alkyl group with 18 to 36 carbon atoms, the crosslinking agent has two or more polymerizable double bonds, a content of the first polymerizable monomer in the composition is 5.0 to 60.0 mol %, a content of the second polymerizable monomer is 20.0 to 95.0 mol %, and when the SP values of the first polymerizable monomer, the second polymerizable monomer and the crosslinking agent are denoted by SP.sub.12, SP.sub.22 and SP.sub.C2, respectively, the formulae 0.60≤(SP.sub.22−SP.sub.12)≤15.00 and SP.sub.12<SP.sub.C2<(SP.sub.22+3.00) are satisfied.

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 δ (Max), tan δ (Max) satisfies inequality (2).

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.