Abstract:
A positively chargeable toner includes at least a binder resin, and toner particles of which surfaces are modified by a polyvinylamine compound.
Abstract:
An image forming apparatus includes an electrostatic latent image holding member, a charging device, a latent image forming device, a developing device that stores a liquid developer containing a toner and a non-volatile carrier liquid, and develops the electrostatic latent image formed on the surface of the electrostatic latent image holding member by the liquid developer to form a toner image, a transfer device that transfers the toner image onto a surface of an impermeable recording medium, and a fixing device, wherein when the SP value of the toner is set as SP(t), the SP value of the non-volatile carrier liquid is set as SP(c), and the SP value of the recording medium is set as SP(m), an absolute value of a difference between SP(t) and SP(c) is from 1.5 to 7.0 and the following relational expression (A) is satisfied: |SP(c)−SP(m)|>|SP(t)−SP(m)|. Relational expression (A)
Abstract:
Resin particles for addition to a surface protective resin member include an acrylic-urethane resin as a main component. The resin particles have a Martens hardness at 23° C. in a range of 0.5 N/mm2 to 220 N/mm2, a recovery ratio at 23° C. in a range of 70% to 100%, and a volume average particle size D50v in a range of 3 μm to 50 λm.
Abstract:
An image forming method includes forming an unfixed toner image on a recording medium using a toner that contains a carboxyl group-containing resin having a carboxyl group and an oxazoline group-containing resin having an oxazoline group, fixing the unfixed toner image to the recording medium to form a fixed toner image, and performing a heat treatment on the fixed toner image at a temperature higher than or equal to a fixing temperature.
Abstract:
A toner includes a crystalline polyester resin having an unsaturated double bond, a thiol compound having a bi- or more-functional thiol group, and a photopolymerization initiator.
Abstract:
Provided is a solution for forming a surface protective resin member, containing: a fluorine-containing acrylic resin having a hydroxyl value of 40 to 280; a fluorine-free acrylic resin having a hydroxyl value of 40 to 280; and a polyether polyol or a polyester polyol.
Abstract:
A liquid developer includes a carrier liquid and a toner particle whose surface is treated by a polyamine, wherein an amount of sodium ion to be eluted in 1 g of the toner particles is 0.04 mg or less.
Abstract:
A liquid developer includes a carrier liquid, and a toner particle which contains a resin having an unsaturated double bond, a compound represented by the formula (I) and a photopolymerization initiator and whose surface is treated by a polyamine, wherein m and n each independently represent an integer of 1 to 10,000; m+n represents an integer of 10 to 10,000; and R1, R2, and R3 each independently represent a single bond or a divalent aliphatic hydrocarbon group having 1 to 12 carbon atoms.
Abstract translation:液体显影剂包括载体液体和含有具有不饱和双键的树脂的调色剂颗粒,由式(I)表示的化合物和光聚合引发剂,其表面用多胺处理,其中m和n各自独立地 表示1〜10,000的整数; m + n表示10〜10000的整数, R 1,R 2和R 3各自独立地表示单键或碳原子数1〜12的二价脂肪族烃基。
Abstract:
A liquid developer contains a carrier liquid and a toner particle which contains a binder resin, wherein the toner particles have a content of aluminum measured by fluorescent X-ray analysis in a range of from 0.04% by weight to 0.1% by weight of total elements.
Abstract:
An electrostatic charge image developing toner includes a toner particle that contains a binder resin and is surface-modified by a polymer obtained by polymerizing a monomer containing dicyandiamide and diethylenetriamine, wherein toner particles have positive charging properties.