摘要:
Electrowetting apparatus including a compound comprising a plurality of colorant moieties and a linker. The plurality of colorant moieties includes a first colorant moiety having a first net dipole and a second colorant moiety having a second net dipole, wherein the plurality of colorant moieties are linked by and disposed around the linker so that the first net dipole and the second net dipole at least partially cancel each other.
摘要:
The present invention relates to a coloring matter compound that has high saturation and is excellent in light resistance. The coloring matter compound is represented by the following general formula (1):
摘要:
There is provided a pigment dispersion including an azo pigment or a tautomer thereof represented by the following Formula (1) and having characteristic X-ray diffraction peaks at Bragg angles (2θ±0.2°) of 4.8°, 7.2° and 9.7° in a CuKα characteristic X-ray diffraction.
摘要:
An aqueous pigment dispersion containing A and B, wherein A is an azo pigment, an example of which is shown below, and in a crystal form having at least one characteristic peak at Bragg angles (2θ) of 5 to 15° and 20 to 30° in X-ray diffraction with characteristic Cu Kα line, a tautomer, a salt or hydrate thereof; and B is a vinyl polymer containing a specific structural unit, a structural unit derived from a salt-forming group-containing monomer (a), and a structural unit derived from a monomer selected from a styrene series macromer (b) and a hydrophobic monomer (c), provided that the water-insoluble vinyl polymer has at least either of 2 or more hydroxyl groups and 1 or more carboxyl groups at the end of the main chain:
摘要:
An ink composition is provided which does not undergo decomposition or fading of colorants even when stored under high-temperature environment. An ink composition which contains a compound represented by the following general formula (1) and a humectant, wherein the content of the compound represented by the general formula (1) is from 0.1% by mass to less than 7.0% by mass, the content of the humectant having 3 or more hydroxyl groups is 8.0% by mass or less, and the molar ratio of the humectant having 3 or more hydroxyl groups/the compound represented by the general formula (1) being less than 15.0; wherein Ar1 and Ar2 each independently represents an aromatic hydrocarbon ring group, a non-aromatic hydrocarbon ring group, an aromatic heterocyclic group, or a non-aromatic heterocyclic group, A1 and A2 each independently represents a hydrogen atom or a substituent, Y represents —OM or —NR1R2, M represents a hydrogen atom or a metal ion, and R1 and R2 each independently represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group, or a heterocyclic group.
摘要:
A water-soluble azo compound represented by formula (1) or a salt thereof, and an ink composition containing the compound or salt. The ink composition has a chroma saturation and hue suitable for inkjet recording, and enables a material recorded therewith to have high fastness in various fields, in particular high ozone gas resistance, while enabling an image recorded therewith to have excellent storage stability and the like. In formula (1), Q represents a halogen atom; x represents an integer of 2 to 4; and the group A represents an amino group represented by the following formula (101). In formula (101), y represents an integer of 1 to 3.
摘要:
A pigment dispersion including vinyl polymer particles containing A and B: A: an azo pigment represented by the following formula (1), a tautomer thereof, a salt thereof, a hydrate thereof, or a solvate thereof; B: a vinyl polymer containing a structural unit (a) having a non-aromatic alicyclic group bonded to the polymer main chain via a linking group, and a structural unit (b) having a hydrophilic group, wherein the substituents are as defined in the specification.
摘要:
An azo pigment represented by the following general formula (1), a tautomer of the azo pigment, and a salt or a hydrate thereof: wherein each of R1, R2, P1, P2, Q1, and Q2 independently represents a hydrogen atom or a substituent, G represents the non-metallic atoms necessary to complete a 5- to 6-membered heterocyclic group, W represents a substituent capable of binding to the heterocyclic group constituted by G, t represents an integer of from 0 to 4, each of Het-1 and Het-2 independently represents a group selected from specific aromatic heterocyclic groups.
摘要:
An azo pigment represented by the following general formula (1), a tautomer of the azo pigment, and a salt or a hydrate thereof: wherein each of R1, R2, P1, P2, Q1, and Q2 independently represents a hydrogen atom or a substituent, G represents the non-metallic atoms necessary to complete a 5- to 6-membered heterocyclic group, W represents a substituent capable of binding to the heterocyclic group constituted by G, t represents an integer of from 0 to 4, each of Het-1 and Het-2 independently represents a group selected from specific aromatic heterocyclic groups.
摘要:
To provide an azo pigment composition exhibiting very good hue and light fastness and having excellent tinctorial strength (color density) and preferably further provide an azo pigment composition containing an azo pigment having characteristic X-ray diffraction peaks at different positions or a tautomer thereof.An azo pigment composition comprising at least one kind of an azo pigment represented by formula (1) having characteristic X-ray diffraction peaks at Bragg angles) (2θ±0.2°) of 7.6°, 25.6° and 27.7° in the CuKα characteristic X-ray diffraction or a tautomer thereof: