摘要:
Radiation curable compositions, such as UV curable ink compositions, contain a polymeric dispersant, a curable material, and a nanoscale pigment particle composition including an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety of the pigment associates non-covalently with the functional group of the stabilizer; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.
摘要:
A nanoscale pigment particle composition includes an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety on the pigment associates non-covalently with the functional group of the stabilizer; and the nanoscale pigment particles have an average particle size of from about 10 nm to about 500 nm and have tunable coloristic properties that depend on both particle composition and average particle size.
摘要:
A pigment preparation comprising C.I. Pigment Yellow 74 of formula (I) as base pigment and C.I. Pigment Yellow 62 of formula (II) as pigment dispersant.
摘要:
Composite compounds of co-structured or co-adsorbed organic or mineral fillers or pigments containing at least two organic or mineral fillers or pigments of a different nature and the use thereof in the paper industry for manufacturing paper, filling or coating or for any other surface treatment of the paper as well as wood or metal or plastic or cement surface treatment compounds in the fields of aqueous and non-aqueous prints and plastics materials. Coating colors, uncoated filling compound and sheets of base paper for coating containing them.
摘要:
The present invention relates to monoazo compounds of formula (1) wherein R1 is hydrogen, halogen, especially chlorine, or C1-C4alkyl, especially methyl, and R2 is halogen, especially chlorine, or C1-C4alkyl, especially methyl, preferably one of the substituents R1 and R2 being halogen and the other substituent being C1-C4alkyl, which are present in the form of salts or mono-, di-, tri- or tetra-valent mixed salts of different cations, such as, for example, Ca2+, Na+, NH4+, NR4+, H+, Li+, K+, Mg2+, Ba2+, Sr2+, Al3+, Pb2+, Mn2+, Zn2+, Cr2+, Co2+, Fe2+, Fe3+, Zr4+ and Cu2+ wherein R is C1-C6alkyl, in freely selected ratios, to processes for their preparation and to their use in the mass-pigmenting of organic materials and in the production of toners, wax transfer ribbons or colour filters.
摘要:
Disclosed is a red pigment compound containing a pigment represented by Formula I: having a certain Hue Angle and Apparent Strength. Also disclosed is a method of making a red pigment composition. Further disclosures relate to coating compositions, ink compositions, plastic compositions, electrostatic toner compositions, powder coating compositions, paint compositions, and paper compositions containing the red pigment represented by Formula I.
摘要:
A monoazo lake pigment composition containing a monoazo lake pigment obtained from a laked pigment aqueous slurry prepared by conducting coupling of a diazo component obtained by diazotizing an aromatic amine having a soluble group and a coupler component and conducting laking after or simultaneously with the coupling, wherein the laking is carried out in the presence of a water-soluble acrylic polymer in an amount of 0.1 to 40 parts by weight per 100 parts of the above coupler component, and a gravure ink containing the above pigment composition and a gravure ink vehicle.
摘要:
The invention relates to pyrazolone pigments of general formula (I), wherein the radicals R1, R2, R3 and R4 independently represent hydrogen, chlorine, methyl or ethyl, whereby at least one of the radicals R1-R4 is different from hydrogen. The inventive pigments are characterised by a CIELAB colour angle of 80-85°, a chroma of 58-62 and a luminosity ≧87 (measuring angle 45°, standard illuminant D65).
摘要:
C.I. Pigment Yellow 191 is obtained in new crystal polymorphs (beta, gamma, delta and epsilon phases) if the known alpha phase or another inventive phase of this pigment is treated with certain solvents and reprecipitated.
摘要:
Composition comprising (a) from 80 to 99.9% by weight of an azo pigment I 1 where M is Mg, Ca, Sr, Ba, or Mn or a mixture thereof, (b) from 0 to 20% by weight of an azo pigment II 2 (c) from 0 to 20% by weight of an azo pigment III 3 where R1, R2 and R3 independently from each other stand for hydrogen, C1-C20-alkyl, C5-C20-alkoxy, C2-C20-alkenyl, C1-C20-alkylthiol, C1-C20-alkoxycarbonyl, hydroxy-C1-C4-alkoxy, phenyl, benzyl, phenylthio, halogen, such as fluoro, chloro, bromo, iodo, cyano, nitro, nullCF3, nullCOR4, nullCOOR5, nullCONR4R5, nullSO2R4, nullSO3R4, nullSO2NR4R5, nullNR4R5 or nullOR4, with the provisio, that when R2 stands for hydrogen and R3 is CF3, then R1 is not nullSO3null, and wherein R4 and R5 independently from each other stand for hydrogen, C1-C4-alkyl or phenyl, with the proviso, that at least one of the groups R1, R2 or R3 is not hydrogen, preferably wherein R1 is nullCOOH or nullSO3H, (d) from 0 to 20% by weight of an azo pigment IV 4 (e) from 0 to 20, preferably 0.1 to 20% by weight, based on the sum of the amounts of components (a) to (d), of a surfactant, (f) from 0.1 to 50% by weight, based on the sum of the amounts of components (a) to (d), of a resin selected from the group consisting of tall oil resin, gum rosin, wood rosin, hydrogenated rosin, rosin ester, disproportionated rosin, dimerised rosin, polymerised rosin, phenolic rosin and carboxyl containing maleic and fumaric resin, a process for its preparation, its use for the preparation of dispersions, paint systems, coating materials, color filters, inks, preferably printing inks, as well as color toners comprising the inventive pigment compositions, particularly preferable as liquid inks in the packaging industry, and liquid inks for the packaging industry.