Classifications

• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
  • C09B63/00—Lakes
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
  • C09B29/00—Monoazo dyes prepared by diazotising and coupling
  • C09B29/34—Monoazo dyes prepared by diazotising and coupling from other coupling components
  • C09B29/36—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds
  • C09B29/3604—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom
  • C09B29/3647—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms
  • C09B29/3652—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms containing a 1,2-diazoles or hydrogenated 1,2-diazoles
  • C09B29/366—Monoazo dyes prepared by diazotising and coupling from other coupling components from heterocyclic compounds containing only a nitrogen as heteroatom containing a five-membered ring with two nitrogen atoms as heteroatoms containing a 1,2-diazoles or hydrogenated 1,2-diazoles containing hydroxy-1,2-diazoles, e.g. pyrazolone
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
  • C09B63/00—Lakes
  • C09B63/005—Metal lakes of dyes
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
  • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
  • C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
  • C09B67/0034—Mixtures of two or more pigments or dyes of the same type
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
  • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
  • C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
  • C09B67/0046—Mixtures of two or more azo dyes
  • C09B67/0051—Mixtures of two or more azo dyes mixture of two or more monoazo dyes

Definitions

• the present invention describes a pigment composition based on Cl. Pigment Yellow 191 (hereinafter called P.Y. 191) with colorants other than doping component, as well as their preparation and use.
• P.Y. 191 is the compound of formula (1) which consists of a coupling of diazotized 2-amino-4-chloro-5-methyl-benzenesulfonic acid with 1- (3'-sulfophenyl) -3-methyl-5-pyrazolone and subsequent reaction formed the formed disulfonic acid with a calcium salt.
• P.Y. 191 is described in EP-B1-0 361 431.
• the compound (1) may also be present in another tautomeric and / or cis-trans isomeric form.
• P.Y. 191 is mainly used for the coloring of plastics.
• the pigment has a variety of favorable properties, e.g. a high lightfastness and a high heat resistance. However, the tinting strength is less than that of other pigments, e.g. P.Y.180, much lower.
• CZ-B6-280 395 describes a mixed diazotization which results in pigment compositions from the chromophores of P.Y. 191 and P.Y. 183, but with mixed calcium / fatty ammonium cations.
• Object of the present invention was the color strength of Cl. To increase Pigment Yellow 191 and to improve transparency. Surprisingly, it has been found that certain yellow pyrazolone pigments, which are suitably added as doping component to the PY191, are capable of increasing the color strength over pure PY191 and increasing the transparency.
• the present invention relates to pigment compositions based on P.Y. 191 of formula (1)
• R 1 , R 2 , R 3 and R 4 independently of one another are hydrogen, halogen, -CH 3 , -NO 2 , or NH- R 6 where R 6 is C 1 -C 4 -alkyl; R5 is methyl or carboxyl, and wherein the compound of formula (2) is not the same as Cl.
• Pigment Yellow 191 is.
• Halogen may be fluorine, chlorine, bromine or iodine, preferably chlorine.
• the compounds of the formula (1) and (2) may also be present in another tautomeric and / or cis-trans isomeric form and, if appropriate, also contain sodium or chloride ions, and also water.
• the pigment compositions according to the invention are sparingly soluble and are distinguished by high color strengths, good fastness properties and yellow colorations with high transparency.
• the invention particularly relates to a pigment composition as defined above and produced by at least one of the following P.Y. 191 and the further yellow colorant are carried out together: (a) azo coupling; (b) laking.
• the invention also provides a process for the preparation of the pigment composition according to the invention by diazotization, azo coupling, laking and optionally finishing, characterized in that at least one of the following manufacturing steps for P.Y. 191 and the further yellow colorant are carried out together: (a) azo coupling; (b) laking.
• two different amines of formula (4) may be diazotized separately and then coupled together to 1- (3'-sulfophenyl) -3-methyl-5-pyrazolone.
• pigment compositions according to the invention can also be prepared by diazotizing 2-amino-4-chloro-5-methylbenzenesulfonic acid and adding to a mixture of 1- (3'-sulfophenyl) -3-methyl-5-pyrazolone and one of them different compound of the general formula (5) couples. Alternatively, one can also be coupled one after the other. SO,
• R1, R2, R3, R4 and R5 have the meanings given above.
• Suitable for the diazotization reaction are alkali metal nitrites or the alkyl nitrites of short-chain alkanes, together with strong mineral acids. Particularly suitable are sodium nitrite and hydrochloric acid.
• the reaction can be carried out in a temperature range from -5 0 C to +35 0 C, preferably between 0 0 C and 10 0 C.
• the coupling is possible by the direct or indirect method, but is preferably carried out directly, ie, the diazonium salt is added to the proposed coupling component.
• the coupling reaction can be carried out in a temperature range between -5 0 C and 80 0 C, preferably between 10 0 C and 50 0 C, and at a pH between pH 3 and14, preferably between pH 5 and 8.
• the azo coupling reaction is preferably carried out in aqueous solution or suspension, but it can also be used organic solvents, optionally in admixture with water.
• the coupling component based on the O
• Diazonium compound used in a slight excess, preferably 1 equivalent of diazo component is reacted with 1, 001 to 1, 10 equivalents of the coupling component.
• the unpainted dome suspension is then laked with a calcium salt, preferably calcium chloride.
• the pigment composition according to the invention may be subjected to a heat treatment in aqueous, aqueous-organic or organic medium at temperatures between 60 ° C. and 98 ° C., preferably between 60 ° C. and 85 ° C., optionally under pressure, for 0.1 to 4 hours be subjected.
• the resulting pigment suspension can be filtered in the usual manner, the presscake washed free of salt with water, dried and ground.
• the pigment composition obtained from the synthesis of a conventional mechanical fine distribution e.g. a grind
• the fine distribution can be done by wet or dry grinding or kneading.
• the grinding or kneading can then be followed by the above-described thermal treatment with a solvent, with water, or with a solvent / water mixture in order to convert the pigment into a usable form.
• the pigment compositions of the invention may be prepared by preparing P.Y.191 in the presence of the final dopant component.
• the doping component can be added before the coupling or the laking.
• additives additives, anionic or nonionic surfactants, defoamers, extenders or other conventional additives, provided that they do not affect the advantages of the invention. It can also be mixtures these additives are used.
• the addition of the additives can be done all at once or in several portions.
• the additives may be added at any point in the synthesis or the various post-treatments, or after the post-treatments. The most appropriate time must first be determined by preliminary experiments.
• the heat treatment may also be significantly shorter than one hour, for example 0.01 to 600 seconds.
• the pigment compositions according to the invention are suitable for pigmenting and dyeing natural and synthetic materials of all kinds, in particular paints, coating systems, such as wallpaper paints, printing inks, emulsion and enamel paints, in particular for metallic paints, which contain water and / or solvent.
• the pigment compositions of the invention are useful for coloring macromolecular materials of all kinds, e.g. of natural and synthetic fiber materials, preferably cellulose fibers, also for
• Paper pulp coloring as for laminate coloring Further applications are the production of printing inks, in this case for example textile printing, flexoprinting, decorative printing or gravure printing inks, wallpaper paints, water-dilutable paints, wood protection systems, viscose spin dyes, paints, sausage casings, seeds, fertilizers, glass, in particular glass bottles, as well as for the mass coloration of roof tiles , as colorants in electrophotographic toners and developers, for coloring for plasters, concrete, wood stains, crayons, felt-tip pens, waxes, paraffins, tints, pen pens, chalks, detergents and cleaners, shoe care products, latex products, abrasives and for dyeing Plastics or high molecular weight materials of all kinds.
• printing inks in this case for example textile printing, flexoprinting, decorative printing or gravure printing inks, wallpaper paints, water-dilutable paints, wood protection systems, viscose spin dyes, paints, sausage casings, seeds, fertiliz
• High molecular weight organic materials are, for example, cellulose ethers and esters, such as ethylcellulose, nitrocellulose, cellulose acetate or cellulose butyrate, natural resins or synthetic resins, such as polymerization resins or Condensation resins, for example aminoplasts, in particular urea- and melamine-formaldehyde resins, alkyd resins, acrylic resins, phenoplasts, polycarbonates, polyolefins, such as polystyrene, polyvinyl chloride, polyethylene, polypropylene, polyacrylonitrile, polyacrylic acid esters, polyamides, polyurethanes or polyesters, rubber, casein, latices, silicone, silicone resins, individually or in mixture.
• cellulose ethers and esters such as ethylcellulose, nitrocellulose, cellulose acetate or cellulose butyrate
• natural resins or synthetic resins such as polymerization resins or Condensation resins, for example amino
• the pigment compositions according to the invention are suitable for the production of printing inks for use in all conventional ink-jet printers, in particular for those based on the bubble jet or piezo process, such as e.g. aqueous or non-aqueous (solvent based), microemulsion inks, UV curable inks and inks that function by the hot-melt process.
• printing inks can be used to print on paper, as well as natural or synthetic fiber materials, films and plastics.
• the pigment compositions of the present invention can be used to print a variety of types of coated or uncoated substrate materials, e.g.
• the substrate material may be two-dimensionally planar or spatially extended, i. be designed in three dimensions and both completely or only partially printed or coated.
• the pigment compositions according to the invention are suitable as colorants for powders and powder coatings, in particular for triboelectrically or electrokinetically sprayable powder coatings, which are used for surface coating of objects made of, for example, metal, wood, plastic, glass, ceramic, concrete, textile material, paper or rubber.
• pigment compositions according to the invention are also suitable as colorants for "color filters” for "Fiat Panel Displays", both for the additive and for the subtractive color generation, also for “Photo-Resists”, as well as colorants for electronic inks ("e-inks”) or electronic paper (“e-paper”).
• the suspension of the diazonium salt wherein the pH is maintained with the addition of sodium hydroxide in the range of 6.0 to 6.5.
• the yellow suspension is heated to 80 0 C.
• 33.7 g of calcium chloride are added.
• the pigment suspension is stirred for 2 hours at 80 0 C, filtered, washed and dried at 120 0 C. 48 g of yellow pigment powder are obtained.
• Analogous Synthesis Example 1 22.8 g (0.09 mol) of 1- (3'-sulfophenyl) -3-methyl-5-pyrazolone and 2.8 g (0.01 mol) of 1- (4'-sulfophenyl ) -5-pyrazolone-3-carboxylic acid. It is laked with 35.0 g of calcium chloride. This gives 44 g of yellow pigment powder.
• Analogous Synthesis Example 1 19.0 g (0.075 mol) of 1- (3'-sulfophenyl) -3-methyl-5-pyrazolone and 7.1 g (0.025 mol) of 1- (4'-sulfophenyl) -5- pyrazolone-3-carboxylic acid submitted. It is laked with 37.5 g of calcium chloride. 39 g of yellow pigment powder are obtained.
• the suspension of the diazonium salt wherein the pH value with the addition of Sodium hydroxide is maintained in the range of 6.0 to 6.5.
• the yellow suspension is heated to 80 0 C.
• 33.7 g of calcium chloride are added.
• the pigment suspension is stirred for 2 hours at 80 0 C, filtered, washed and dried at 120 0 C. 53 g of yellow pigment powder are obtained.
• Suspension is cooled to 15 0 C and diazotized with the addition of 13.3 ml of a 40% sodium nitrite solution.
• Synthesis Example 8 22.1 g (0.1 mol) of 2-amino-4-chloro-5-methylbenzene-1-sulfonic acid are introduced into 200 ml of water and dissolved with 9.1 ml of sodium hydroxide solution (33%) with heating, clarified and 25.0 ml of hydrochloric acid (31%). The suspension obtained is cooled to 15 0 C and diazotized with the addition of 13.3 ml of a 40% sodium nitrite solution. In 400 ml of water and 11.1 ml of sodium hydroxide solution (33%), 25.4 g (0.1 mol) of 1- (3'-sulfophenyl) -3-methyl-5-pyrazolone and registered and dissolved.
• Synthesis Example 12 Analogous Synthesis Example 11. 19.9 g (0.09 mol) of 2-amino-4-chloro-5-methylbenzene-1-sulfonic acid are diazotized and added to 22.9 g (0.09 mol) of 1- ( 3'-sulfophenyl) -3-methyl-5-pyrazolone coupled. The dome suspension is treated with 5.4 g (0.01 mol) of 4,5-dichloro-2- [5-hydroxy-3-carboxyl-1- (4-sulfophenyl) -1H-pyrazol-4-ylazo] -benzene 1-sulfonic acid and laked with 45 g of calcium chloride. This gives 49 g of yellow pigment powder. Synthetic Example 13:
• Synthesis Example 14 22.1 g (0.1 mol) of 2-amino-4-chloro-5-methylbenzene-1-sulfonic acid are introduced into 200 ml of water and dissolved with 9.1 ml of sodium hydroxide solution (33%) with heating, clarified and 25.0 ml of hydrochloric acid (31%). The suspension obtained is cooled to 15 0 C and diazotized with the addition of 13.3 ml of a 40% sodium nitrite solution. In 400 ml of water and 11.1 ml of sodium hydroxide solution (33%), 25.4 g (0.1 mol) of 1- (3'-sulfophenyl) -3-methyl-5-pyrazolone and registered and dissolved.
• plasticized PVC Hostalit ® S 4170
• 308 parts of diisodecyl phthalate 10 parts of dibutyltin thioglycolate
• 10 parts of titanium dioxide pigment PV Fast White R 01
• 1 part of pigment composition from Synthesis Examples 1 to 16 is added to the prepared base mixture.
• the mixture is then mixed for 10 minutes.
• the mixture is then placed on a rolling mill and processed for 8 minutes at about 130 ° C. This gives an opaque colored soft PVC mat.
• Example 2 To determine the color strength and hue difference dH of each pigment preparation an application preparation according to Example 2 was prepared. The coloristic properties (color intensity and hue -dH-) were then determined using a spectrophotometer CM-3700d from Minolta.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Paints Or Removers (AREA)
• Inks, Pencil-Leads, Or Crayons (AREA)
• Developing Agents For Electrophotography (AREA)
• Ink Jet (AREA)
• Compositions Of Macromolecular Compounds (AREA)

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• 2007
  • 2007-02-20 DE DE102007008218A patent/DE102007008218A1/de not_active Withdrawn
• 2008
  • 2008-02-12 ES ES08707665T patent/ES2377033T3/es active Active
  • 2008-02-12 WO PCT/EP2008/001037 patent/WO2008101612A1/de not_active Ceased
  • 2008-02-12 US US12/526,997 patent/US7824488B2/en active Active
  • 2008-02-12 CN CN2008800014416A patent/CN101652431B/zh active Active
  • 2008-02-12 AT AT08707665T patent/ATE534708T1/de active
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