Abstract:
The present invention provides a compound and a pigment dispersant, each of which improves the dispersibility of various types of pigments in a non-aqueous solvent and also provides a pigment composition, a pigment dispersion, and a toner, each of which has a preferable coloring power. The compound includes a polymer which has a monomer unit having a specific structure and also includes a specific partial structure.
Abstract:
A red toner for developing an electrostatic latent image includes a colorant and a binder resin. An image produced by the red toner has a hue angle (H) of from 36 to 50° in L*a*b* color system, a lightness (L*) of from 47 to 55, and a chroma (c*) of from 94 to 108.
Abstract translation:用于显影静电潜像的红色调色剂包括着色剂和粘合剂树脂。 由红色调色剂产生的图像在L * a * b *色系中具有36至50°的色调角(H),从47至55的亮度(L *)和色度(C *)为 从94到108。
Abstract:
A toner composition including a colorant-polyester polymer having at least one colorant and at least one polyester resin, an optional non-colorant polyester polymer, an optional additional colorant, an optional wax, and an optional additive, where the colorant is covalently linked to some or all of the polyester resin and the polyester resin is obtained by polymerizing a lactone using an enzyme catalyst. Methods for preparing a toner composition including an emulsion aggregation process.
Abstract:
A perimidine-based squarylium dye contains a compound represented by Formula (I), the compound containing an isomer A and satisfying the following formula: Pa≧95(%) wherein the isomer A is an isomer of the peak shown in the longest retention time among all peaks due to isomers obtained by analysis of the compound by means of reversed-phase high-performance liquid chromatography, and Pa represents a value of the peak area of the isomer A relative to the peak area of all peaks.
Abstract:
Provided is a magenta toner containing toner particles that contain a colorant and a binder resin, wherein the colorant contains C.I. Pigment Red 57:1 and C.I. Pigment Yellow 180, a mass ratio between the C.I. Pigment Red 57:1 and the C.I. Pigment Yellow 180 being 99:1 to 10000:1, and wherein the binder resin contains a polyester resin that has a repeating unit derived from bisphenol A ethylene oxide represented by formula (1): wherein each of m and n independently represents an integer of 2 to 4.
Abstract:
The present invention provides a positive-charge control agent containing, as an active substance(s), one or two or more rhodanine compounds represented by the following formula (1). wherein R1 represents a hydrogen atom, etc.; R2 represents a hydrogen atom, etc.; and R3 to R7, which may be identical to or different from each other, represent a hydrogen atom, a cyano group, a trifluoromethyl group, a nitro group, etc. R2 to R7 may be joined to each other to form a ring. V, W, X, Y and Z represent a carbon atom or a nitrogen atom and 0 to 3 of V, W, X, Y and Z are nitrogen atoms, with the proviso that at least one of R3 to R7 is a linear or branched alkyl group having 1 to 4 carbon atoms substituted with three or more fluorine atoms etc.
Abstract:
The invention relates to the use of a pigment preparation comprising a) a dioxazine compound of the formula (I) as base pigment and b) a dioxazine compound of the formula (II) as pigment dispersant Q-[Y—X]M (II) in which Q is an m-valent radical of the base pigment of the formula (I), Y is a bridging moiety, X is in particular a heterocycle, and m indicates a numerical value between 1 and 4 as a colorant in color filters, ink-jet inks, electrophotographic toners and developers, and electronic inks.
Abstract translation:本发明涉及一种颜料制剂的用途,其包含a)式(I)的二恶嗪化合物作为基础颜料,和b)式(II)的二恶嗪化合物作为颜料分散剂Q- [Y-X] M )其中Q是式(I)的基础颜料的m价基团,Y是桥连部分,X特别是杂环,m表示作为着色剂的滤色剂的1至4之间的数值 ,喷墨墨水,电子照相色调剂和显影剂以及电子墨水。
Abstract:
A set of toners comprising a yellow toner, a magenta toner, a cyan toner and a black toner for forming a full color image with an electrophotographic method, wherein the yellow toner comprises toner particles containing at least one pigment selected from the group consisting of C.I. Pigment Yellow 74, C.I. Pigment Yellow 139, C.I. Pigment Yellow 155, C.I. Pigment Yellow 180 and C.I. Pigment Yellow 185; the magenta toner comprises toner particles containing a dye represented by Formula (X-1) and a metal compound represented by Formula (1); and the cyan toner comprises toner particles containing a silicon phthalocyanine represented by Formula (2):
Abstract:
The invention provides a yellow toner including toner particles comprising colorants and a binder resin, the colorants including at least a C. I. Pigment yellow 180 and a carmine-based pigment, a weight ratio of the C. I. Pigment yellow 180 to the carmine-based pigment being from about 99:1 to about 10,000:1, the binder resin being a polyester resin comprising a first repeating unit derived from a first diol compound, and the first diol compound being a bisphenol A ethylene oxide represented by the following formula (1): wherein in formula (1), m and n each independently represent an integer of from 2 to 4.
Abstract:
A full-color toner kit including yellow, magenta, and cyan toners each including a benzimidazolone, a naphthol, and a copper phthalocyanine colorants, respectively, and resins (A) and (B) each of which having a polyester skeleton and containing a wax, and a resin (C) having a polyester skeleton and containing no wax. Each of the toners has a softening point of from 125° C. to 135° C. The following relationships are satisfied: Ts(A)