EP1675914A1 - Formulations et leur utilisation pour colorer des substrats - Google Patents

Formulations et leur utilisation pour colorer des substrats

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Publication number
EP1675914A1
EP1675914A1 EP04765888A EP04765888A EP1675914A1 EP 1675914 A1 EP1675914 A1 EP 1675914A1 EP 04765888 A EP04765888 A EP 04765888A EP 04765888 A EP04765888 A EP 04765888A EP 1675914 A1 EP1675914 A1 EP 1675914A1
Authority
EP
European Patent Office
Prior art keywords
pigment
mixture
comonomers
formulation according
particulate form
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04765888A
Other languages
German (de)
English (en)
Inventor
Ulrike Hees
Michael Kluge
Holger SCHÖPKE
Karl Siemensmeyer
Dominik Winter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Publication of EP1675914A1 publication Critical patent/EP1675914A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
    • 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
    • C09B67/0001—Post-treatment of organic pigments or dyes
    • C09B67/0004—Coated particulate pigments or dyes
    • C09B67/0008—Coated particulate pigments or dyes with organic coatings
    • C09B67/0013—Coated particulate pigments or dyes with organic coatings with polymeric coatings

Definitions

  • the present invention relates to formulations containing
  • the present invention relates to a method for coloring substrates and colored substrates, produced using treated pigments in particulate form in the presence of radiation-curable molecules or molecular building blocks.
  • Colored substrates should have a high brilliance of colors
  • the coloring should be permanent, ie have high fastness properties, such as fastness to rubbing and fastness to perspiration. In some cases, however, the brilliance of coloration can still be lacking. This applies, for example, to the application of binder-containing colorant preparations if one wishes to generate trichromatic substances. Pigments migrate frequently after application and this can lead to color irregularities. Unwanted fat rashes are also occasionally observed, which are promoted by the migration of pigments and lead to discoloration and soiling.
  • the task was therefore to provide formulations which are suitable for the coloring of substrates and avoid the above-mentioned weaknesses from the prior art.
  • a further task was to provide a method for coloring substrates.
  • a further object was to provide a process for the production of formulations which are suitable for the coloration of substrates.
  • the task was to provide colored substrates.
  • the formulations according to the invention contain pigment in particulate form.
  • pigments are to be understood as meaning practically insoluble, organic or inorganic colorants as defined in DIN 55944.
  • the process according to the invention preferably starts from organic pigments.
  • Organic pigments selected by way of example are:
  • Monoazo Pigments C.I. Pigment brown 25; C.I. Pigment Orange 5, 13, 36 and 67; C.I. Pigment Red 1, 2, 3, 5, 8, 9, 12, 17, 22, 23, 31, 48: 1, 48: 2, 48: 3, 48: 4, 49, 49: 1, 52: 1, 52: 2, 53, 53: 1, 53: 3, 57: 1, 63, 112, 146, 170, 184, 210, 245 and 251; C.I. Pigment Yellow 1, 3, 73, 74, 65, 97, 151 and 183;
  • Disazo Pigments C.I. Pigment Orange 16, 34 and 44; C.I. Pigment Red 144, 166, 214 and 242; C.I. Pigment Yellow 12, 13, 14, 16, 17, 81, 83, 106, 113, 126, 127, 155, 174, 176 and 188; Anthanth ron pigments: C.I. Pigment Red 168 (C.I. Vat Orange 3);
  • Anthraquinone pigments Cl Pigment Yellow 147 and 177; CI Pigment Violet 31; Anthraquinone pigments: Cl Pigment Yellow 147 and 177; CI Pigment Violet 31; Anthrapyrimidine Pigments: Cl Pigment Yellow 108 (Cl Vat Yellow 20); Quinacridone pig duck: Cl Pigment Red 122, 202 and 206; CI Pigment Violet 19;
  • Dioxazine pigments C.I. Pigment violet 23 and 37;
  • Flavanthrone Pigments C.I. Pigment Yellow 24 (C.I. Vat Yellow 1);
  • Indanthrone Pigments C.I. Pigment Blue 60 (C.I. Vat Blue 4) and 64 (C.I. Vat Blue 6);
  • Isoindoline Pigments C.I. Pigment orange 69; C.I. Pigment Red 260; C.I. Pigment Yellow 139 and 185;
  • Isoindolinone Pigments C.I. Pigment Orange 61; C.I. Pigment Red 257 and 260; C.I. Pigment Yellow 109, 110, 173 and 185;
  • Isoviolanthrone Pigments C.I. Pigment Violet 31 (C.I. Vat Violet 1);
  • Metal complex pigments C.I. Pigment Yellow 117, 150 and 153; C.I. Pigment green 8;
  • Perinone Pigments C.I. Pigment Orange 43 (C.I. Vat Orange 7); C.I. Pigment Red 194 (C.I. Vat Red 15);
  • Perylene Pigments C.I. Pigment black 31 and 32; C.I. Pigment Red 123, 149, 178, 179 (C.I. Vat Red 23), 190 (C.I. Vat Red 29) and 224; C.I. Pigment violet 29;
  • Phthalocyanine pigments C.I. Pigment Blue 15, 15: 1, 15: 2, 15: 3, 15: 4, 15: 6 and 16; C.I. Pigment green 7 and 36;
  • Thioindigo Pigments C.I. Pigment Red 88 and 181 (C.I. Vat Red 1); C.I. Pigment Violet 38 (C.I. Vat Violet 3);
  • Triaryicarbonium pigments Cl Pigment Blue 1, 61 and 62; CI Pigment Green 1; Cl Pigment Red 81, 81: 1 and 169; CI Pigment Violet 1, 2, 3 and 27; CI Pigment Black 1 (aniline black); CI Pigment Yellow 101 (Aldazine Yellow);
  • C.I. Pigment Yellow 138 C.I. Pigment Red 122, C.I. Pigment Violet 19, C.I. Pigment Blue 15: 3 and 15: 4, C.I. Pigment Black 7, C.I. Pigment Orange 5, 38 and 43 and C.I. Pigment Green 7.
  • the formulations according to the invention can also contain mixtures of two or more different treated pigments.
  • the formulations according to the invention contain at least one pigment which is in particulate form, i.e. in the form of particles.
  • So-called raw pigments are usually used, which are untreated pigments as they occur after pigment synthesis.
  • the particles can have regular or irregular shape, for example the particles can be in spherical or approximately spherical shape or in needle form.
  • the particles are in spherical or approximately spherical form, i.e. the ratio of longest diameter to smallest diameter is in the range from 1.0 to 2.0, preferably to 1.5.
  • Formulations according to the invention contain at least one pigment in particulate form which has been treated by a process described below and which comprises the steps a) to d) defined at the outset.
  • the pigment or pigments in particulate form are mixed in step a) with at least one non-ionic surface-active substance.
  • non-ionic surfactants are, for example, ethoxylated mono-, di- and tri-alkylphenols (degree of ethoxylation: 3 to 50, alkyl radical: C 3 -C 12 ) and ethoxylated fatty alcohols (EO degree: 3 to 80; alkyl radical: C 8 -C 36 ).
  • ethoxylated mono-, di- and tri-alkylphenols degree of ethoxylation: 3 to 50, alkyl radical: C 3 -C 12
  • EO degree 3 to 80; alkyl radical: C 8 -C 36
  • Lutensol ® brands from BASF AG
  • Triton ® brands from Union Carbide.
  • Ethoxylated linear fatty alcohols of the general formula III nC x H 2x + rO (CH 2 CH 2 O) y -H III are particularly preferred
  • x are integers in the range from 10 to 24, preferably in the range from 12 to 20.
  • the variable y preferably stands for integers in the range from 5 to 50, particularly preferably 8 to 40.
  • Ethoxylated linear fatty alcohols of the general formula III are usually present as a mixture of different ethoxylated fatty alcohols with different degrees of ethoxylation.
  • the variable y stands for the mean (number average).
  • the mixing of pigment in particulate form and at least one nonionic surface-active substance takes place in equipment suitable for mixing, preferably in mills such as, for example, ball mills or stirred ball mills.
  • Vz hour to 48 hours have proven to be a suitable time for the mixing, although a longer time is also conceivable.
  • a mixing time of 5 to 24 hours is preferred.
  • Pressure and temperature conditions during mixing are generally not critical, for example normal pressure has proven to be suitable. Temperatures in the range from 10 ° C. to 100 ° C. have proven to be suitable, for example.
  • the quantitative ratio of pigment in particulate form to non-ionic surface-active substance can be selected in a wide range and can be, for example, in the range from 10: 1 to 2: 1.
  • Step a) Water can be added while step a) is being carried out.
  • Conventional non-ionic grinding aids can also be added.
  • the average diameter of pigment in particulate form after step a) is usually in the range from 20 nm to 1.5 ⁇ m, preferably in the range from 50 to 200 nm, particularly preferably 100 nm.
  • step b) the mixture of pigment in particulate form and nonionic surface-active substance obtainable after step a) is dispersed in an aqueous medium.
  • Any device can be used for the dispersion, for example stirred kettles or stirred flasks.
  • aqueous media are understood to mean those liquid media which contain water as an important component, for example at least 40% by weight, preferably at least 55% by weight.
  • step b) the weight ratio of mixture of pigment particles and non-ionic surfactant to aqueous medium is generally in the range from 1: 2 to 1:15, preferably 1: 2.5 to 1: 9.
  • Pressure and temperature conditions for step b) are generally not critical, for example temperatures in the range from 5 to 100 ° C. are suitable, preferably 20 to 85 ° C. and pressures in the range from normal pressure to 10 bar.
  • Dispersion after step b) gives a dispersion.
  • step c) at least one first monomer is polymerized or a first mixture of comonomer is copolymerized in the presence of a dispersion obtainable according to b), water-insoluble polymer or copolymer being formed on the surface of the pigment particles.
  • step c) at least one monomer or at least a mixture of comonomers is added to a dispersion obtainable according to b).
  • the addition can take place, for example, in one portion, in several portions or also continuously. If you want to copolymerize at least different monomers with one another, you can first add one comonomer and then the second and optionally further comonomer. In another embodiment, all comonomers are added in one portion.
  • Monomer or comonomers can be added in bulk or in aqueous dispersion.
  • Monomers or comonomers which are poorly soluble in water are chosen as monomers or comonomers in step c).
  • Monomers or comonomers which are poorly soluble in water are understood to mean those monomers or comonomers whose solubility in water at 50 ° C. is 1 ⁇ 10 ⁇ 1 mol / l or less.
  • Preferred examples of monomers or comonomers in step c) are vinylaromatic compounds and poorly water-soluble, ⁇ -unsaturated carboxylic acid derivatives.
  • At least one compound of the general formula IV is preferably selected as the vinyl aromatic compound
  • a compound of the general formula I is preferably chosen as the poorly water-soluble, ⁇ -unsaturated carboxylic acid derivative,
  • R 1 selected from unbranched or branched d-do-alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, iso- Pentyl, sec.-pentyl, neo-pentyl, 1, 2-dimethylpropyl, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, n-nonyl, n-decyl; particularly preferably dC 4 -alkyl such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl and tert-butyl;
  • R 2 selected from unbranched or branched d-Cio-alkyl, such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, iso- Pentyl, sec.-pentyl, neo-pentyl, 1, 2-dimethylpropyl, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, n-nonyl, n-decyl; particularly preferably CC 4 alkyl such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl and tert-butyl;
  • R 3 selected from unbranched or branched C 4 -C ⁇ 0 alkyl, such as n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, iso-pentyl, sec-pentyl, neo-pentyl , 1, 2-dimethylpropyl, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, n-nonyl, n-decyl; especially n-butyl and 2-ethylhexyl.
  • the ratio of pigment to amount of monomer or comonomer in step c) is in the range from 1: 0.1 to 1: 1.2, preferably in the range from 1: 0.3 to 1: 0, 8th.
  • step c Mixtures of the abovementioned monomers or comonomers can be used in step c).
  • monomers or comonomers can be used in step c).
  • mixtures of styrene and n-butyl acrylic acid are very suitable, the mixing ratio being arbitrary.
  • Polymerization is preferably carried out under the conditions of an emulsion polymerization. So-called “starved conditions" are very particularly preferred, ie only little or preferably no wetting agent is added. In this way, no measurable proportions of stabilized styrene droplets are obtained, and the proportion of wetting agent serves to transport styrene through the continuous aqueous phase.
  • Suitable wetting agents are, for example, organic sulfur compounds, for example alkyl sulfates, alkyl sulfonates, alkylarylsulfonates, alkyl ether sulfates, alkylaryl ether sulfates, sulfosuccinates such as semi-sulfosuccinate and sulfosuccinic diesters; organic phosphorus compounds such as alkyl ether phosphates are also suitable.
  • organic sulfur compounds for example alkyl sulfates, alkyl sulfonates, alkylarylsulfonates, alkyl ether sulfates, alkylaryl ether sulfates, sulfosuccinates such as semi-sulfosuccinate and sulfosuccinic diesters; organic phosphorus compounds such as alkyl ether phosphates are also suitable.
  • At least one initiator can be a peroxide.
  • suitable peroxides are alkali metal peroxodisulfates, e.g. Sodium peroxodisulfate, ammonium peroxodisulfate, hydrogen peroxide, organic peroxides such as diacetyl peroxide, di-tert-butyl peroxide, diamyl peroxide, dioctanoyl peroxide, didecanoyl peroxide, dilauroyl peroxide, dibenzoyl peroxide, bis- (o-toloyl) butyl peroxide, succinyl peroxide, succinyl peroxide, succinyl peroxide , tertiary butyl perisobutyrate, tertiary butyl perpivalate, tertiary butyl peroctoate, tertiary butyl perneode
  • Redox initiators are also suitable, for example from peroxides and oxidizable sulfur compounds.
  • Systems of acetone bisulfite and organic peroxide such as tert-C 4 H 9 -OOH, Na 2 S 2 O 5 (sodium disulfite) and organic peroxide such as tert-C 4 H 9 -OOH or HO-CH 2 are very particularly preferred SO 2 H and organic peroxide such as tert-CH 9 -OOH.
  • Systems such as ascorbic acid / H 2 O 2 are also particularly preferred.
  • the selected temperature depends on the decay characteristics of the initiator used.
  • the pressure conditions are generally not critical, for example pressures in the range from normal pressure to 10 bar are suitable.
  • 1 to 30 minutes have proven to be suitable as the time for step c), preferably 2 to 10 minutes and particularly preferably 3 to 5 minutes.
  • additives that are common in emulsion polymerization can be added to the reaction mixture, for example glycols, polyethylene glycols, protective colloids and buffer / pH regulators.
  • a polymer-copolymer-coated pigment is obtained in particulate form, which is obtained in the form of isolated particles. No measurable or only extremely small proportions of agglomerates are observed, for example less than 2% by weight, preferably less than 0.2% by weight.
  • the polymer or copolymer formed in step c) on the surface of the pigment in particulate form is water-insoluble.
  • the dispersed pigment particles obtainable according to c) can be isolated by cleaning operations, for example filtering, decanting, washing and redispersed to carry out step d) of the process according to the invention.
  • the dispersed pigment particles obtainable according to c), which are obtainable according to c) are preferably processed further in situ.
  • step d) of the process according to the invention at least a second monomer or a second mixture of comonomers is added to the dispersion from step c) or the processed and redispersed coated pigments and polymerized or copolymerized.
  • this is also referred to as a second mixture of comonomers in step d) if a monomer has been used in step c) and a mixture of two comonomers is added in step d).
  • a second monomer in step d) if a mixture of comonomers has been used in step c) and a monomer is added in step d). If it is desired to add a second mixture of comonomers, then at least one comonomer which is different from the monomer or the comonomers from step c) is added.
  • a vinylaromatic compound is used as the monomer in step c) and at least one monomer or comonomer which can swell polystyrene in step d).
  • R 4 selected from unbranched or branched dC 10 alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl , n-pentyl, iso-pentyl, sec.-pentyl, neo-pentyl, 1, 2-dimethylpropyl, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, n-octyl, 2 -Ethylhexyl, n-nonyl, n-decyl; particularly preferably CC 4 alkyl such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl and tert
  • R 5 is selected from unbranched or branched dC 10 alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, isopentyl , sec.-pentyl, neo-pentyl, 1, 2-dimethylpropyI, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, n-nonyl, n decyl; particularly preferably dC 4 -alkyl such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl and tert-butyl; or very particularly
  • R 6 is selected from unbranched or branched dC 10 alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, iso-pentyl, sec.-pentyl, neo-pentyl, 1, 2-dimethylpropyl, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, n- Nonyl, n-decyl; CC 4 alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl and tert-butyl, is particularly preferred.
  • step d If it is desired to add a mixture of comonomers in step d), it is sufficient if, in addition to an added radiation-curable component (B), at least one comonomer is different from the monomer or comonomer from step c). For example, it is possible to use styrene in step c) and a mixture of methyl acrylate and styrene in step d).
  • styrene is used in step c) and a mixture of hard components (components which increase the hardness of a copolymer film), such as e.g. Methyl acrylate and styrene and a soft component such as e.g. Butyl acrylate.
  • hard components components which increase the hardness of a copolymer film
  • soft component such as e.g. Butyl acrylate.
  • the second monomer or the second mixture is selected such that the glass transition temperature of the polymer or copolymer synthesized in step d) is above 0 ° C.
  • the glass transition temperature of the polymer or copolymer synthesized in step d) is preferably above 10 ° C., particularly preferably above 20 ° C.
  • the glass transition temperature of the polymer or copolymer formed in step d) can be determined, for example, in such a way that the corresponding pigment-free polymer or copolymer which contains no polymer or copolymer after step c) is prepared in a separate experiment under conditions of emulsion polymerization , and then determined the glass temperature according to DSC (differential thermal analysis, differential scanning calorimetry).
  • DSC differential thermal analysis, differential scanning calorimetry
  • one or more monomers or comonomers are used in step d), selected from: n-butyl acrylate, 2-ethylhexyl acrylate, methyl acrylate, ethyl acrylate.
  • step d At least 10% by weight of n-butyl acrylate is used in step d).
  • the weight ratio of the second mixture of comonomers from step d) to pigment from step a) is in the range from 0.7 to 1 to 10: 1, preferably 1.5 to 1 to 5 to 1, particularly preferably 1.7 to 1 to 3 to 1.
  • the amount of comonomers from steps c) and d) of the process according to the invention is selected such that the ratio of polymer or copolymer to pigment is in the range from 1: 1 to 5: 1, preferably in the range from 2: 1 to 3 : 1 lies.
  • step d) polymerization or copolymerization is preferably carried out under the conditions of an emulsion polymerization.
  • at least one initiator is used, it being possible for the initiator (s) to be chosen from those mentioned above.
  • Common nonionic emulsifiers are, for example, ethoxylated mono-, di- and tri-alkylphenols (degree of ethoxylation: 3 to 50, alkyl radical: C 4 -C 12 ) and ethoxylated fatty alcohols (degree of ethoxylation: 3 to 80; alkyl radical: C 8 -C 36 ).
  • Examples are the Lutensol ® brands from BASF Aktiengesellschaft and the Triton ® brands from Union Carbide.
  • Typical anionic emulsifiers are, for example, alkali metal and ammonium salts of alkyl sulfates (alkyl radical: C 8 to C 12 ), of sulfuric acid semiesters of ethoxylated alkanols (degree of ethoxylation: 4 to 30, alkyl radical: C 12 -C 18 ) and ethoxylated alkyl phenols (degree of ethoxylation: 3 to 50, alkyl radical: C 4 -C 1 ), of alkyl sulfonic acids (alkyl radical: C 12 -C 18 ) and of alkylarylsulfonic acids (alkyl radical: C 9 -C 18 ).
  • alkyl sulfates alkyl radical: C 8 to C 12
  • sulfuric acid semiesters of ethoxylated alkanols degree of ethoxylation: 4 to 30, alkyl radical: C 12 -C 18
  • Suitable cationic emulsifiers are usually a C 6 -C 18 alkyl, aralkyl or heterocyclyl-containing primary, secondary, tertiary or quaternary ammonium salts, Alkanolammoniumsaize, pyridinium salts, imidazolinium salts, oxa zoliniumsalze, morpholinium, thiazolinium, and salts of amine oxides , Quinolinium salts, isoquinolinium salts, tropylium salts, sulfonium salts and phosphonium salts.
  • Examples include dodecylammonium acetate or the corresponding hydrochloride, the chlorides or acetates of the various 2- ⁇ N, N, N-trimethylammonium) ethyl paraffinic acid esters, / V-cetylpyridinium chloride, N-laurylpyridinium sulfate and / V-cetyl- ⁇ /, ⁇ /, ⁇ / -trimethylammonium bromide, ⁇ / -dodecyl- ⁇ /,, ⁇ / -trimethylammoniumbromid, ⁇ /, ⁇ / -distearyl- / V, / V-dimethylammonium chloride and the Gemini surfactant ⁇ /, / V- (lauryldimethyl) ethylenediamine dibromide.
  • the amount of the emulsifier is selected such that the mass ratio between the second monomer or second mixture of comonomers on the one hand and the emulsifier on the other hand is greater than 8: 1, preferably greater than 15: 1 and particularly preferably greater than 19: 1.
  • step d) The order of addition of the reactants from step d) is not critical per se.
  • a pre-emulsion is first prepared from water, emulsifier and monomers. This pre-emulsion, also called emulsion feed, is then metered into the polymerization reactor parallel to the initiator feed via a separate feed vessel.
  • the pressure conditions are generally not critical, for example pressures in the range from normal pressure to 10 bar are suitable.
  • a period of time in the range from 30 minutes to 12 hours can be selected as the time for the polymerization or copolymerization in step d), 2 to 3 hours being preferred. If one or more compounds of the general formula I are selected as comonomer in step d), a time period of 40 to 60 minutes is also conceivable.
  • step d) up to 5% by weight, preferably 1 to 4% by weight, based on monomers or comonomers from step d), of at least one compound of the general formula V can be used as comonomer in step d)
  • R 10 is selected from unbranched or branched dC 10 alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, isopentyl , sec.-pentyl, neo-pentyl, 1, 2-dimethylpropyl, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, n-nonyl, n-decyl; particularly preferably CC 4 alkyl such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl and tert-butyl; - or hydrogen;
  • R 11 selected from unbranched or branched dC 10 alkyl, such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, iso-pentyl , sec.-pentyl, neo-pentyl, 1, 2-dimethylpropyI, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, n-nonyl, n decyl; particularly preferably dC 4 -alkyl such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl and tert-butyl;
  • X selected from -OH, -NH 2 , -NH-CH 2 OH,
  • R 10 in formula V is very particularly preferably selected from hydrogen and methyl, and R 11 is hydrogen.
  • step d 1 to 14% by weight (meth) acrylonitrile, based on the total amount of comonomers, can be used as comonomers in step d).
  • comonomers in step d) are comonomers which can serve as a photoinitiator, in particular (meth) acrylic acid esters of alcohols, which can serve as a photoinitiator of radical polymerizations.
  • comonomers which can serve as a photoinitiator in particular (meth) acrylic acid esters of alcohols, which can serve as a photoinitiator of radical polymerizations.
  • optionally substituted (meth) acryloylbenzophenones of the general formula VII are very particularly preferred
  • B represents a spacer, for example oxygen, NH, -OA 7 -O-, -OCO-A 7 -O-, -CO-NH-A 7 -O-, -CO -NH-A 7 -NH-, -OA 7 -CO-NH-A 7 -NH,
  • a 7 the same or different and selected from C 2 -C 30 alkylene, preferably C 2 -C 6 alkylene, such as - (CH 2 ) 2 -, -CH 2 -CH (CH 3 ) -, - (CH 2 ) 3 -, -CH 2 -CH (C 2 H 5 ) -, - (CH 2 ) 4 -, - (CH 2 ) 5 -, - (CH 2 ) 6 -,
  • C 2 -C alkylene preferably C 2 -C alkylene; in particular - (CH 2 ) 2 -, -CH (C 2 H 5 ) - -CH 2 -CH (CH 3 ) -, - (CH 2 ) 3 -, - (CH 2 ) 4 - and -CH 2 -CH (C 2 H 5 ) -;
  • R 17 is selected from unbranched or branched dC 10 alkyl, such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, iso -Pentyl, sec.-pentyl, neo-pentyl, 1, 2-dimethylpropyl, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, n-nonyl , n-decyl; particularly preferably CC 4 alkyl such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl and tert-butyl;
  • R 18 is selected from CC 4 alkyl such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl and tert-butyl; and C 6 -C 14 aryl, optionally substituted, such as phenyl, p-hydroxyphenyl, p-dimethylaminophenyl, p-methylphenyl, 1-naphthyl, 2-naphthyl, 9-anthryl, 1-anthryl, 2-anthryl, in particular phenyl, and the remaining variables are defined as above.
  • Comonomers of the general formulas P1 to P4 can be prepared by methods known per se.
  • An esterification step or transesterification step of precursors of the formulas is customary in the production
  • the effectiveness of photoinitiators can be increased by adding at least synergists, for example at least one amine, in particular tertiary amine.
  • Suitable amines are, for example, triethylamine, N, N-dimethylethanolamine, N-methylethanolamine, triethanolamine, aminoacrylates such as, for example, the unmodified polyether acrylates.
  • synergist can be added up to 5% by weight, based on the total weight of the formulation according to the invention.
  • step d) 0.1 to 2% by weight, preferably 0.2 to 1.5% by weight, of at least one comonomer, which can serve as a photoinitiator, can be polymerized.
  • step d) 0.1 to 2% by weight, preferably 0.2 to 1.5% by weight, of an isomer mixture of VII can be polymerized in.
  • Formulations according to the invention are usually aqueous dispersions of pigment treated as described above in particulate form and can have a solids content of 10 to 50% by weight, preferably 30 to 40% by weight.
  • Formulations according to the invention further contain at least one radiation-curable component (B).
  • a formulation according to the invention contains at least one compound per Molecule carries at least two ethylenically unsaturated double bonds, which are preferably isolated from one another, ie they are not conjugated. It is preferably at least one compound which carries at least two (meth) acrylic acid groups, for example di- or polycarboxylic acids esterified at least twice with (meth) acrylic acid, or at least two di- or polyisocyanates reacted with functional (meth) acrylic acid derivatives hereinafter also referred to as urethane (meth) acrylates.
  • Compounds of the general formula VI a, VI b or VI d are very particularly preferred
  • R 13 , R 14 different or preferably the same and selected from hydrogen and methyl
  • Y 1 , Y 2 , Y 3 , Y 4 the same or different and selected from sulfur, NH and in particular oxygen,
  • b and f, c and h, Y 1 and Y 4 , Y 2 and Y 3 and R 13 and R 14 are each the same in pairs.
  • R the same or different and selected from methyl and hydrogen
  • n is an integer from 0 to 2, preferably 1;
  • R 16 is selected from C 1 -C 4 -alkyl, such as, for example, nC 4 H 9 , nC 3 H 7 , iso-C 3 H 7 and preferably C 2 H 5 and CH 3 , or phenyl,
  • a 4 , A ⁇ A 6 the same or different and selected from d-Cao-alkylene, such as -CH 2 -, -CH (CH 3 ) -, -CH (C 2 H 5 ) -, -CH (C 6 H 5 ) -, - (CH 2 ) 2 -, - (CH 2 ) 3 -, - (CH 2 ) 4 -, - (CH 2 ) 5 -, - (CH 2 ) 6 -, - (CH 2 ) 7 -, - (CH 2 ) 8 -, - (CH 2 ) 9 -, - (CH 2 ) 1 o- J -CH (CH 3 ) - (CH 2 ) 2 -CH (CH 3 ) -; ice or frans-C 4 -C 10 cycloalkylene, such as c / s-1, 3-cyclopentylidene, trans-, 3-cyclopentylidene c s
  • polyester (meth) acrylates obtainable by, for example, reacting hydroxyl-terminated polyesters with a molecular weight M n, preferably in the range from 250 to 4000 g / mol, or polyethers with a molecular weight M n in the range from 400 to 4000 g / mol, with (meth) acrylic acid, as described, for example, in EP-B 0 126 341.
  • branched compounds with at least two terminal double bonds are (meth) acrylate urethanes, preferably available as aqueous dispersions, which can be prepared by reacting polyester (meth) acrylates with preferably aromatic di- or triisocyanates, as described for example in WO 98/47975.
  • Formulations according to the invention can contain 0.2 to 30% by weight, preferably 1 to 15% by weight, of radiation-curable component (B).
  • formulations according to the invention contain at least one radiation-curable component as molecular building blocks.
  • This special embodiment can be implemented, for example, by using selected comonomers in step d) in the treatment of the pigment or pigments in particulate form which carry molecular groups suitable for carrying out radiation curing.
  • Suitable comonomers are in particular comonomers capable of crosslinking which carry at least two ethylenically unsaturated double bonds per molecule, which are preferably isolated from one another, i.e. they are not conjugated.
  • At least one comonomer which carries at least two (meth) acrylic acid groups for example di- or polycarboxylic acids or urethane (meth) acrylates esterified at least twice with methacrylic acid.
  • Compounds of the general formula VI a or VI b which are as defined above are very particularly preferred.
  • film-forming aids are added to the formulations according to the invention.
  • one or more non-polymerized photoinitiators can additionally be introduced into the pigment-polymer system via the radiation-curable component (s) (B) or optionally via the film-forming aid.
  • Formulations according to the invention can contain polymer or copolymer which is derived from monomers or mixtures of comonomers from step d). The majority of the pigments in particulate form treated by the process described above are coated with two layers of polymers or copolymers, wherein the layers can be interpenetrating and do not have to be strictly different from one another. The particles characterized in this way are also referred to below as pigment-containing polymer particles.
  • formulations according to the invention contain polymer or copolymer which is derived from monomers or mixtures of comonomers from step d).
  • the polymer or copolymer derived from monomers or mixtures of comonomers from step d) is preferably obtained in the form of spherical particles.
  • the particles characterized in this way are also called pigment-free polymer particles below.
  • the weight ratio of pigment-containing polymer particles to pigment-free polymer particles is in the range from 10 to 0.1 to 10 to 3, preferably from 10 to 0.5 to 10 to 2.
  • the average radii r are smaller than the average radii r (pigment-containing polymer particles), in each case based on the number average.
  • At least one plasticizer (C) is added to formulations according to the invention following step d).
  • Plasticizer (C) is preferably present in liquid form under normal conditions (1 atm, 20 ° C.).
  • plasticizers (C) are ester compounds selected from the groups of aliphatic or aromatic di- or polycarboxylic acids fully esterified with alkanols and phosphoric acid esterified at least once with alkanol.
  • alkanols are d-cio-alkanols.
  • Preferred examples of aromatic di- or polycarboxylic acids fully esterified with alkanol are phthalic acid, isophthalic acid and mellitic acid fully esterified with alkanol; examples of his: di-n-octyl phthalate, di-n-nonyl phthalate, di-n-decyl phthalate, di-n-octyl isophthalate, di-n-nonyl isophthalate, di-n-decyl isophthalate.
  • Preferred examples of aliphatic di- or polycarboxylic acids fully esterified with alkanol are, for example, dimethyl adipate, diethyl adipate, di-n-butyl adipate, diisobutyl adipate, dimethyl glutarate, dimethyl glutarate, glutarate, glutarate Butyl ester of diisobutyl succinate and mixtures of the above-mentioned compounds.
  • Preferred examples of phosphoric acid esterified at least once with alkanol are dC 10 -alkyl-di-C 6 -C 14 -aryl phosphates such as isodecyl diphenyl phosphate.
  • plasticizers (C) are aliphatic or aromatic di- or polyols esterified at least once with CC 10 - alkyl carboxylic acid.
  • Preferred examples of aliphatic or aromatic di- or polyols esterified at least once with dC 10 -alkylcarboxylic acid is 2,2,4-trimethylpentane-1,3-diol-monoisobutyrate.
  • plasticizers (C) are polyesters, obtainable by polycondensation of aliphatic dicarboxylic acid and aliphatic diol, for example adipic acid or succinic acid and 1,2-propanediol, preferably with an M w of 200 g / mol, and polypropylene glycol alkylphenyl ether, preferably with an M w of 450 g / mol.
  • plasticizers (C) are polypropylene glycols etherified with two different alcohols and having a molecular weight M w in the range from 400 to 800 g / mol, preferably one of the alcohols can be an alkanol, in particular a dC 10 alkanol and the other alcohol can preferably be an aromatic alcohol, for example o-cresol, m-cresol, p-cresol and in particular phenol.
  • Another object of the present invention is the use of the formulations according to the invention for coloring substrates.
  • Another object of the present invention is a method for coloring substrates using the formulations according to the invention, hereinafter also referred to as the coloring method according to the invention, and a further subject of the present invention are colored substrates obtainable by a coloring method according to the invention.
  • the coloration process according to the invention is carried out by contacting substrates with pigment treated according to the invention in particulate form and then exposing them to actinic radiation.
  • actinic radiation For example, electromagnetic rays with a wavelength range from 200 nm to 450 nm are suitable as actinic radiation.
  • Substrates contacted with the pigment treated according to the invention in particulate form can be exposed to actinic radiation with an energy in the range from 70 mJ / cm 2 to 1500 mJ / cm 2 .
  • Actinic radiation can be introduced continuously or in the form of lightning, for example.
  • a proportion of UV-C radiation of 250-260 nm wavelength is important so that crosslinking via the benzophenone group can occur.
  • substrates are, for example, cellulose-containing materials such as paper, cardboard, cardboard, wood and wood-based materials, which can also be lacquered or otherwise coated, metallic materials such as foils, sheets or workpieces made of aluminum, iron, copper, silver, gold Zinc or alloys of these metals, which can be coated or otherwise coated, silicate materials such as glass, porcelain and ceramics, which can be coated, - polymeric materials of any kind such as polystyrene, polyamides, polyesters, polyethylene, polypropylene, melamine resins, polyacrylates, Polyacrylonitrile, polyurethanes, polycarbonates, polyvinyl chloride, polyvinyl alcohols, polyvinyl acetates, polyvinyl pyrrolidones and corresponding copolymers and block copolymers, biodegradable polymers and natural polymers such as gelatin, food and cosmetics
  • leather is to be understood as pre-tanned, tanned and, if appropriate, retanned leather or correspondingly processed synthetic exchange material, which may have already been treated with at least one dye during at least one tanning step.
  • leather in the context of the present invention can already be hydrophobicized or greased.
  • textile or textile substrates are to be understood as meaning textile fibers, textile semifinished and finished products and finished goods produced therefrom, which, in addition to textiles for the clothing industry, also include carpets and other home textiles and textile structures serving technical purposes.
  • This also includes unshaped structures such as flakes, line-shaped structures such as twine, threads, yarns, linen, cords, ropes, twists and body structures such as felts, fabrics, nonwovens and wadding.
  • the textiles can be of natural origin, for example cotton, wool or flax, or synthetic, for example polyamide, polyester, modified polyester, polyester blend fabric, polyamide blend fabric, polyacrylonitrile, viscose, triacetate, acetate, polycarbonate, polypropylene, polyvinyl chloride, polyester microfibers and glass fiber fabric.
  • the inventive method for coloring substrates is an inventive method for printing substrates by the ink-jet method.
  • Another object of the present invention is the use of formulations according to the invention as or for the production of inks for the ink jet process.
  • Another object of the present invention is a process for the production of inks for the ink jet process using formulations according to the invention.
  • Another object of the present invention are inks for the ink jet process, produced using formulations according to the invention.
  • the formulations according to the invention can be used as such to produce inks for the inkjet process according to the invention and also the pigments treated according to the invention separated from the dispersions according to the invention.
  • Inks according to the invention for the ink jet process can be produced particularly easily by diluting formulations according to the invention with water, for example, and optionally mixing them with additives.
  • an ink according to the invention for the ink jet process contains in the range from 1 to 50 g / 100 ml, preferably 1.5 to 15 g / 100 ml, of pigment treated according to the invention in particulate form.
  • Colorant preparations according to the invention and in particular inks according to the invention for the ink jet process can contain organic solvents as additives.
  • Organic solvents as additives.
  • Low molecular weight polytetrahydrofuran is a preferred additive; it can be used alone or preferably in a mixture with one or more difficult to evaporate, water-soluble or water-miscible organic solvents.
  • the preferably used low molecular weight polytetrahydrofuran usually has an average molecular weight M w of 150 to 500 g / mol, preferably 200 to 300 g / mol and particularly preferably approximately 250 g / mol (corresponding to a molecular weight distribution).
  • Polytetrahydrofuran can be prepared in a known manner via cationic polymerization of tetrahydrofuran. This creates linear polytetramethylene glycols.
  • Suitable solvents are polyhydric alcohols, preferably unbranched and branched polyhydric alcohols having 2 to 8, in particular 3 to 6, carbon atoms, such as ethylene glycol, 1, 2- and 1, 3-propylene glycol, glycerol, erythritol, pentaerythritol, pentites such as arabitol, adonite and xylitol and hexites such as sorbitol, mannitol and dulcitol.
  • Other suitable solvents are polyethylene and polypropylene glycols, including the lower polymers (di-, tri- and tetramers), and their mono- (especially dC 6 -, especially C 1 -C 4 -) alkyl ethers.
  • Examples include di-, tri- and tetraethylene glycol, diethylene glycol monomethyl, ethyl, propyl and butyl ether, triethylene glycol monomethyl, ethyl, propyl and butyl ether, di-, tri- and tetra-1,2 - and -1, 3-propylene glycol and di-, tri- and tetra-1, 2- and -1, 3-propylene glycol monomethyl, ethyl, propyl and butyl ether.
  • pyrrolidone and N-alkylpyrrolidones are also suitable as solvents.
  • pyrrolidone and N-alkylpyrrolidones the alkyl chain of which preferably contains 1 to 4, especially 1 to 2, carbon atoms.
  • suitable alkylpyrrolidones are N-methylpyrrolidone, N-ethylpyrrolidone and N- (2-hydroxyethyl) pyrrolidone.
  • solvents examples include 1,2- and 1,3-propylene glycol, glycerol, sorbitol, diethylene glycol, polyethylene glycol (M w 300 to 500 g / mol), diethylene glycol monobutyl ether, triethylene glycol monobutyl ether, pyrrolidone, N-methylpyrrolidone and N- ( 2-hydroxyethyl) pyrrolidone.
  • Polytetrahydrofuran can also be mixed with one or more (e.g. two, three or four) of the solvents listed above.
  • inks of the invention for the ink jet process can contain 0.1 to 80% by weight, preferably 5 to 60% by weight, particularly preferably 10 to 50% by weight, and very particularly preferably 10 to 30 wt .-%, contain non-aqueous solvents.
  • Non-aqueous solvents as additives in particular also the particularly preferred solvent combinations mentioned, can advantageously be supplemented by urea (generally 0.5 to 3% by weight, based on the weight of the colorant preparation), which still has the water-retaining effect of the solvent mixture strengthened.
  • urea generally 0.5 to 3% by weight, based on the weight of the colorant preparation
  • Inks for the ink jet process according to the invention can contain further auxiliaries, such as are customary in particular for aqueous ink jet inks and in the printing and coating industry.
  • auxiliaries such as are customary in particular for aqueous ink jet inks and in the printing and coating industry.
  • preservatives such as 1, 2- Benzisothiazolin-3-one (commercially available as Proxel brands from Avecia Lim.) And its alkali metal salts, glutardialdehyde and / or tetramethylolacetylene diurea, Protectole®, antioxidants, degasifiers / defoamers such as acetylene diols and ethoxylated acetylenediols Contain 20 to 40 moles of ethylene oxide per mole of acetylenediol and can also have a dispersing effect, viscosity regulators, leveling agents, wetting agents (e.g.
  • wetting surfactants based on ethoxylated or propoxylated fatty or oxo alcohols, propylene oxide / ethylene oxide block copolymers, Ethoxylates of oleic acid or alkylphenols, alkylphenol ether sulfates, alkylpolyglycosides, alkylphosphonates, alkylphenylphosphonates, alkylphosphates, alkylphenylphosphates or preferably polyether siloxane copolymers, in particular alkoxylated 2- (3-hydroxypropyl) hepta-methyltrisiloxanes, which generally contain 7 to 20 blocks , preferably have 7 to 12, ethylene oxide units and a block of 2 to 20, preferably 2 to 10 propylene oxide units and can be present in the colorant preparations in amounts of 0.05 to 1% by weight), anti-settling agents, gloss improvers, lubricants , Adhesion improvers, skin-preventing agents, matting agents, emuls
  • these agents are part of colorant preparations according to the invention and in particular inks according to the invention for the ink jet process, their total amount is generally 2% by weight, in particular 1% by weight, based on the weight of the colorant preparations according to the invention and in particular that Inks according to the invention for the inkjet process.
  • inks according to the invention for the ink jet process have a dynamic viscosity of 2 to 80 mPa-s, preferably 3 to 20 mPa-s, measured at 25 ° C.
  • the surface tension of inks according to the invention for the ink jet process is generally 24 to 70 mN / m, in particular 25 to 60 mN / m, measured at 25 ° C.
  • the pH of inks according to the invention for the ink jet process is generally 5 to 10, preferably 7 to 9.
  • Another aspect of the present invention is a method for printing flat or three-dimensional substrates by the ink-jet method using Use of the inks according to the invention for the ink jet process.
  • ink-jet inks according to the invention are printed on substrate and the print obtained is then fixed by radiation curing.
  • the ink jet process the usually aqueous inks are sprayed directly onto the substrate in small droplets.
  • pressure is exerted on the ink either by means of a piezoelectric crystal or a heated cannula (bubble or thermo-jet method) and ink drops are thus ejected.
  • Such procedures are in text. Chem. Color, volume 19 (8), pages 23 to 29, 1987, and volume 21 (6), pages 27 to 32, 1989.
  • the inks according to the invention are particularly suitable for the bubble jet process and for the process using a piezoelectric crystal.
  • the inventive method for coloring textile substrates is an inventive method for textile printing.
  • dye liquors for pigment dyeing or printing pastes for pigment printing are produced from the formulations described above.
  • the present invention thus furthermore relates to a process for the production of dye liquors for pigment dyeing and for the production of printing pastes for pigment printing, and to the dyeing liquors and printing pastes according to the invention, hereinafter also referred to as production processes according to the invention.
  • the production process according to the invention comprises the steps of mixing at least one dispersion according to the invention with auxiliaries required for the dyeing or printing process and adjusting the colorant content by dilution with water.
  • the water used to carry out the manufacturing process according to the invention does not have to be completely desalinated.
  • the rule is that partially demineralized water or very soft water is used, for example at 4 ° dH or less. If water is not sufficiently soft, complexing agents (water softeners) are usually used to reduce the water hardness. In general, compounds which mask Ca 2+ and Mg 2+ ions are suitable as water softeners in the pigment dyeing process.
  • Particularly suitable water softeners are, for example, nitrilotriacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, hydroxyethylethylenediaminetriacetic acid or methylglycinediacetic acid.
  • the amount of water added to produce the dye liquor depends on the color depth to be achieved on the textile on one side and the amount of dye liquor applied to the textile by means of a padding on the other side.
  • Dyeing liquors according to the invention may also contain auxiliaries.
  • Preferred auxiliaries are organic solvents in concentrations of 0 to 10% by weight, preferably 0.1 to 5% by weight.
  • suitable solvents are polyethylene glycols and single etherified alkylene glycol or single etherified polyethylene glycols such as diethylene glycol mono-n-butyl ether.
  • Dyeing liquors according to the invention can furthermore contain wetting agents, preferably low-foaming wetting agents, since, in the event of high turbulence in the dyeing process, foam formation can impair the quality of the dyeing due to the formation of irregularities.
  • wetting agents used are: ethoxylation and / or propoxylation products of fatty alcohols or propylene oxide-ethylene oxide block copolymers, ethoxylated or propoxylated fatty or oxo alcohols, furthermore ethoxylates of oleic acid or alkylphenols, alkylphenol ether sulfates, alkylpolyglycosides, alkylphosphonates, alkylphenylphosphonates Alkyl phosphates, or alkylphenyl phosphates.
  • Deaerators are based, for example, on polyether siloxane copolymers or on phosphoric acid esters. They can be contained in the dyeing liquors according to the invention in amounts of 0.01 to 2 g / l
  • Dyeing liquors according to the invention can also be added as an aid to improve one or more handles.
  • These are usually polysiloxanes or waxes based on polyethylene or polyethylene glycol. Polysiloxanes have the advantage of permanence, while some waxes can be washed out slowly during use. In one embodiment of the present invention, however, the addition of grip improvers can be dispensed with.
  • the dynamic viscosity of the dyeing liquors according to the invention is in the range of less than 100 mPa-s, measured at 20 ° C.
  • the surface tensions of the dyeing liquors according to the invention are to be adjusted so that wetting of the goods is possible. Surface tensions of less than 50 mN / m, measured at 20 ° C, are suitable.
  • the production method according to the invention usually comprises mixing at least one formulation according to the invention with one or more auxiliaries listed above, such as solvents, defoamers, grip improvers, emulsifiers and / or biocides, and filling with water.
  • the method usually comprises stirring the components in a mixing container, the size and shape of the mixing container being uncritical. Clarification is preferably followed by stirring.
  • Another aspect of the present invention is a method for dyeing textile substrates using the dye liquors according to the invention described above.
  • the process can be carried out in common machines.
  • Foulards are preferred which contain two pressed rollers as an essential element through which the textile is guided.
  • the liquid is filled in above the rollers and wets the textile.
  • the textile is squeezed off by the pressure and a constant application is guaranteed.
  • the textile is guided over a deflection roller through a trough with the dye liquor. Excess liquor is then pressed off via a pair of rollers, which is attached above the liquor, thus ensuring a constant application.
  • the actual dyeing step is usually followed by thermal drying and fixing, preferably drying at temperatures from 50 to 90 ° C. over a period of 30 seconds to 3 minutes and then fixing by exposure to actinic radiation.
  • a process for pigment coloring is preferred after the logging process.
  • the printed and colored substrates are characterized by a special brilliance of the colors and at the same time an excellent grip of the printed or colored substrates.
  • Another aspect of the present invention is therefore substrates, colored by the process described above using the dye liquors according to the invention.
  • Another aspect of the present invention is the use of formulations according to the invention for textile printing.
  • at least one formulation according to the invention is incorporated into a printing paste for this purpose.
  • the printing paste according to the invention for textile printing is advantageously produced by mixing at least one formulation according to the invention by mixing with auxiliaries commonly used in the printing process and then adjusting the colorant content by diluting with water.
  • Natural or synthetic thickeners can be used as thickeners. It is preferred to use synthetic thickeners, for example generally liquid solutions of synthetic polymers in, for example, white oil or as aqueous solutions.
  • Printing pastes according to the invention can furthermore contain grip improvers which are usually selected from silicones, in particular polydimethylsiloxanes, and fatty acid esters.
  • grip improvers which are usually selected from silicones, in particular polydimethylsiloxanes, and fatty acid esters.
  • Examples of commercially available grip improvers that can be added to the printing pastes according to the invention are Acramin® Weichma- rather SI (Bayer AG), Luprimol SIG® and Luprimol CW® (BASF Aktiengesellschaft).
  • Printing pastes according to the invention can be added as further additives, one or more emulsifiers, especially when the pastes contain thickeners containing white oil and are obtained as an oil-in-water emulsion.
  • suitable emulsifiers are aryl- or alkyl-substituted polyglycol ethers.
  • Commercially available examples of suitable emulsifiers are Emulsifier W® (Bayer), Luprintol PE New® and Luprintol MIP® (BASF Aktiengesellschaft), and Solegal W® (Hoechst AG).
  • Pigment printing using at least one formulation according to the invention can be carried out by various methods which are known per se.
  • the pigment printing process according to the invention using printing pastes according to the invention delivers printed substrates with particularly high brilliance and depth of color of the prints with an excellent grip of the printed substrates at the same time.
  • the present invention therefore relates to substrates printed by the method according to the invention using the printing pastes according to the invention.
  • the coloring process according to the invention is a process for finishing leather.
  • the aim of finishing leather, also called coating leather, is to give leather the desired look, special haptic properties as well
  • the coloration process according to the invention is based on pretanned, tanned and, if appropriate, retanned leather, which can be hydrophobicized and dyed in a manner known per se.
  • At least one colored finishing dispersion which contains one or more pigments treated in particulate form according to the invention, is applied to the leather to be colored in an amount of 20 to 100 g of solid per m 2 of leather surface.
  • the application can be carried out by methods known per se, for example plush, ie application with a sponge or a brush-like device, which can be covered with plush or velvet fabric, by brushing, roll coating, pouring, spraying or spraying.
  • the leather treated in this way can then be dried, for example at a temperature in the range from 30 to 120 ° C., preferably 60 to 80 ° C.
  • At least one colored dressing dispersion can be applied in one or more steps, which can be carried out identically or differently and can be interrupted in each case by intermediate drying at the above-mentioned temperatures.
  • a colored dressing dispersion used according to the invention contains at least one formulation according to the invention.
  • Colored dressing dispersions used according to the invention which are also referred to below as colored dressing dispersions according to the invention, are usually aqueous. They can contain other, non-aqueous solvents such as ethylene glycol, N-methylpyrrolidone, 3-methoxypropanol and propylene carbonate.
  • primer dispersions according to the invention contain the following constituents:
  • ⁇ l) at least one formulation according to the invention preferably 20 to 70% by weight, based on the total weight of the colored dressing dispersion according to the invention;
  • MIT 2-methyl-2H-isothiazol-3
  • CIT Chlor-2-methyl-2H-isothiazoI-3-one
  • Colored finishing dispersions according to the invention can furthermore contain at least one filler and anti-adhesive.
  • aqueous formulations of fatty acid esters, protein and inorganic fillers, which can be selected from silicates and clay minerals, are suitable.
  • Colored finishing dispersions according to the invention can have a solids content of 10 to 80% by weight, 20 to 50% by weight being preferred.
  • a top layer can then be applied by methods known per se.
  • the cover layer can consist of conventional components.
  • the top layer ⁇ 2) contains at least one formulation according to the invention, preferably 20 to 70% by weight, based on the total weight of the top layer according to the invention, ⁇ 2) at least one wax, such as, for example, oxidized polyethylene wax or montan wax or silicone wax, preferably 1 to 15% by weight, based on the total weight of the top layer according to the invention; ⁇ 2) optionally at least one biocide, for example selected from MIT, BIT and CIT, for example in the amounts mentioned for primer dispersions, 52) optionally at least one pigment in particulate form, ⁇ 2) optionally at least one thickener.
  • ⁇ 2 contains at least one formulation according to the invention, preferably 20 to 70% by weight, based on the total weight of the top layer according to the invention, ⁇ 2) at least one wax, such as, for example, oxidized polyethylene wax or montan wax or silicone wax, preferably 1 to 15% by weight, based on the total weight of the top layer according to the invention; ⁇ 2) optionally at least one biocide,
  • a finish also called a finish dispersion
  • a finish can then be applied, with a finish of about 5 to 30 g / m 2 of leather surface being applied.
  • the finish or top coat serves to protect the leather and, in addition to high flexibility, should also ensure good scratch resistance, oil and water resistance.
  • finishes can include, for example: formulations of at least one binder based on acrylate or polyurethane, a crosslinking agent, protein, nitrocellulose emulsion, fillers based on organic or inorganic matting agents, silicone wax, fatty acid esters.
  • Finishing dispersions according to the invention can contain polyurethane dispersions known per se, produced according to EP-A2 0 392 352.
  • Top layers and finishing dispersions can contain one or more thickeners.
  • Crosslinkable copolymers based on acrylic acid and acrylamide and thickeners based on polyurethane or polyvinylpyrrolidone or acrylate (co) polymers may be mentioned as examples.
  • the finish After the finish has been applied, it can be dried under customary conditions, for example at temperatures in the range from 60 to 80 ° C., and then ironed, for example at temperatures in the range from 140 to 180 ° C. You can also iron hydraulically, for example at reduced pressure and temperatures in the range of 70 to 100 ° C. Conventional ironing devices are possible, such as ironing presses or continuous ironing machines.
  • At least one formulation according to the invention is used in at least one step - priming, application of the top layer and finishing.
  • Finishing dispersions can contain one or more thickeners.
  • Crosslinkable copolymers based on acrylic acid and acrylamide may be mentioned as examples. Preferred examples are copolymers with 85 to 95% by weight of acrylic acid, 4 to 14% by weight of acrylamide and about 1% by weight of the (meth) acrylamide derivative of the formula VIII
  • the present invention further relates to colored substrates obtainable by the coloring process according to the invention.
  • Colored substrates according to the invention are notable for good wet rub fastnesses and can also be produced with very good crosslinking yields (quantum yields) of photoinitiators even in deep color tones.
  • the present invention furthermore relates to pigments in particulate form which have been treated by a process which comprises the following steps: a) mixing pigment in particulate form with at least one nonionic surface-active substance, b) dispersing the mixture of pigment thus obtainable in particulate form and non-ionic surfactant in an aqueous medium, c) polymerizing at least one first monomer or copolymerizing a first mixture of comonomers in the presence of a dispersion according to b), water-insoluble polymer or copolymer being formed on the surface of the pigments in particulate form , d) adding a second mixture of comonomers and copolymerization,
  • the second mixture of comonomers contains at least one comonomer which carries groups of molecules suitable for carrying out radiation curing.
  • Suitable comonomers are, in particular, comonomers capable of crosslinking which carry at least two ethylenically unsaturated double bonds per molecule, which are preferably isolated from one another, ie they are not conjugated. It is preferably at least one comonomer which carries at least two (meth) acrylic acid groups, for example di- or polycarboxylic acids or urethane (meth) acrylates esterified at least twice with methacrylic acid.
  • Compounds of the general formula VI a or VI b which are as defined above are very particularly preferred.
  • comonomers in step d) are comonomers which can serve as a photoinitiator, in particular (meth) acrylic acid esters of alcohols, which can serve as a photoinitiator of radical polymerizations.
  • (Meth) acryloylbenzophenones of the general formula VII and which are as defined above are very particularly preferred.
  • the glass transition temperature was determined using a DSC device DSC822 (series TA8200) from Mettler-Toledo with an autosampler TSO 801 RO.
  • the DSC device was equipped with a temperature sensor FSR5.
  • the second heating curve of the evaluation was used as a basis. Cooling down to -110 ° C, heating rate: 20 ° C / min, heating up to 150 ° C, holding for 5 minutes at 150 ° C, then cooling to -110 ° C, heating rate: 20 ° C / min, heating up to 150 ° C.
  • the particle diameter distribution of pigments treated according to the invention in particulate form was determined with the aid of an Autosizer IIC from Malvern in accordance with ISO 13321.
  • Example 1a Mixing of a pigment with a non-ionic surface-active substance In a stirred ball mill, the following were ground together: 1800 g of pigment blue 15: 3 450 g n-dsHs ⁇ CHsCHaO ⁇ sH 24 g glutardialdehyde 30 g tetramethylolacetylene diurea 3696 g distilled water The grinding was continued until the pigment particles had an average diameter of 100 nm.
  • a mixture of pigment in particulate form and non-ionic surfactant was obtained.
  • N-Ci8H 37 O (CH 2 CH 2 O) 25H is octadecanol ethoxylated with ethylene oxide, prepared according to the following specification:
  • the photoinitiators FP1 to FP4 were dissolved in methyl methacrylate.
  • the mixture was stirred for a further 30 minutes at 85 ° C. and then, for chemical deodorization (residual monomer removal), simultaneously a solution of 5 g of tert-butyl hydroperoxide (70% by weight in water) in 11 g distilled water and a solution of 3 g HO-CH 2 -O-SO 2 Na in 12 g distilled water were metered in over a period of 90 minutes.
  • the mixture was then cooled to room temperature and the pH was adjusted to 7 using 25% by weight aqueous ammonia.
  • VI c.1 58 g of compound VI c.1 were then added dropwise as the photocrosslinker to the dispersion as the radiation-curable component, and the dispersion or emulsion was stirred for a further 20 minutes. Finally, biocide was added for preservation (2 g Acticide MV solution from Thor Chemie with 1.5% active ingredient, a mixture of 5-chloro-2-methyl-3 (2H) -isothiazolone ("CIT”) and 2.Methyl -3 (2H) -isothiazolone (“MIT”), diluted with 50 g of water).
  • CIT 5-chloro-2-methyl-3
  • MIT 2.Methyl -3 (2H) -isothiazolone
  • the dispersion obtained in this way was then filtered through a 120 ⁇ m mesh and then through a 15 // m mesh.
  • An aqueous dispersion containing pigment treated in accordance with the invention in particulate form was obtained.
  • the solids content was 35% by weight and the dynamic viscosity was 20 mPa-s.
  • the particle diameter distribution was determined to be a maximum at 130 nm.
  • Example 2 2 a) Mixing a pigment with a non-ionic surfactant
  • the milling was continued until the pigment particles had an average diameter of 10O nm.
  • a mixture of pigment particles and non-ionic surface-active substance was obtained.
  • g FP1 isopropylthioxanthone 3.00
  • g FP2 ethyl 4-dimethylaminobenzoate 4.00
  • g FP3 benzil dimethyl ketal 6.00
  • g FP4 benzophenone
  • the photoinitiators FP1 to FP4 were dissolved in methyl methacrylate.
  • the mixture was stirred at 85 ° C. for a further 30 minutes and then, for chemical deodorization (residual monomer removal), simultaneously a solution of 5 g of tert-butyl hydroperoxide (70% by weight in water) in 11 g of distilled water and a solution of 3 g of HO-CH 2 -O-SO 2 Na in 12 g of distilled water were metered in over a period of 90 minutes.
  • Biocide was then added for preservation (2 g Actizid MV solution from Thor Chemie with 1.5% active ingredient, mixture of CIT and MIT, diluted with 50 g water) .O Then the dispersion thus obtained was passed through a 120 ⁇ m network and then filtered through a 15 ⁇ m mesh.
  • aqueous dispersion containing pigment treated according to the invention in particulate form was obtained.
  • the solids content was 35% by weight and the dynamic viscosity was 18 mPa-s.
  • the determination of the particle diameter distribution gave a maximum at 156 nm.
  • the mixture was stirred.
  • the ink 3.1 according to the invention was obtained and filled into ink-jet cartridges.
  • the ink 3.1 according to the invention showed a dynamic viscosity of 4 mPa-s, measured at 25 ° C., and was suitable for printing in common printers.
  • the ink 3.1 according to the invention was printed on cotton (100% cotton, 250 g / m 2 ) in the form of samples. After drying at 100 ° C and immediate UV exposure (2 x 120 W / cm, 10 m / min, UV spectrum of 250-450 nm), the printed cotton showed excellent fastness to use.
  • Rubbing fastness dry 4-5 (unexposed 2-3)
  • Rubbing fastness wet 3-4 (unexposed 2)
  • Wash fastness 4 (unexposed 2-3)
  • the rub fastnesses were determined according to DIN 54021, the wash fastness according to DIN 54011.
  • Example 3.1. was repeated, but pigment treated in accordance with the invention was used in particulate form from example 2) instead of example 1).
  • the ink 3.1 according to the invention showed a dynamic viscosity of 4 mPa-s, measured at 25 ° C., and was suitable for printing in common printers.
  • the ink 3.2 according to the invention was printed on cotton (100% cotton, 250 g / m 2 ) in the form of samples. After drying at 100 ° C and immediate UV exposure (2 x 120 W / cm, 10 m / min, UV spectrum of 250-450 nm), the printed cotton showed excellent fastness to use.

Abstract

L'invention concerne des formulations contenant (A) au moins un pigment sous forme de particules, traité selon un procédé comprenant les opérations suivantes : (a) mélanger le pigment sous forme de particules avec au moins un tensioactif non ionique, (b) former une dispersion dans un milieu aqueux avec le mélange du pigment sous forme de particules et du tensioactif non ionique, (c) polymériser au moins un premier monomère ou copolymériser un premier mélange de comonomères en présence d'une dispersion de type b), un polymère ou un copolymère insoluble dans l'eau se formant à la surface des pigments sous forme de particules, (d) ajouter au moins un deuxième comonomère ou un deuxième mélange de comonomères et copolymériser, ainsi qu'au moins (B) un composant durcissant par rayonnement.
EP04765888A 2003-10-14 2004-10-08 Formulations et leur utilisation pour colorer des substrats Withdrawn EP1675914A1 (fr)

Applications Claiming Priority (2)

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DE10348464A DE10348464A1 (de) 2003-10-14 2003-10-14 Formulierungen und ihre Verwendungen bei der Kolorierung von Substraten
PCT/EP2004/011253 WO2005037930A1 (fr) 2003-10-14 2004-10-08 Formulations et leur utilisation pour colorer des substrats

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EP1675914A1 true EP1675914A1 (fr) 2006-07-05

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EP (1) EP1675914A1 (fr)
JP (1) JP2007508429A (fr)
CN (1) CN1867638A (fr)
BR (1) BRPI0415245A (fr)
DE (1) DE10348464A1 (fr)
WO (1) WO2005037930A1 (fr)

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DE102004062438A1 (de) * 2004-12-20 2006-06-22 Basf Ag Verfahren zum Bedrucken oder Kolorieren von Substraten
DE102004062437A1 (de) * 2004-12-20 2006-06-22 Basf Ag Verfahren zum Kolorieren von zellulosehaltigen Substraten
US8772369B2 (en) * 2009-12-04 2014-07-08 Hewlett-Packard Development Company, L.P. Single batch latex ink compositions and methods
CN102127312A (zh) * 2010-12-07 2011-07-20 江南大学 一种Lyocell纤维原液着色用超细包覆颜料色浆的制备方法
EP3030344A2 (fr) * 2013-08-06 2016-06-15 E. I. du Pont de Nemours and Company Dispersions aqueuses de pigment comportant des composants interagissant avec la cellulose
CN104140713A (zh) * 2014-08-05 2014-11-12 厦门格林泰新材料科技有限公司 一种水性油墨及其制备方法与应用
US10858528B2 (en) 2015-12-23 2020-12-08 Kornit Digital Ltd. Rub-resistant inkjet composition

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WO2005037930A1 (fr) 2005-04-28
US20070054979A1 (en) 2007-03-08
BRPI0415245A (pt) 2006-12-12
DE10348464A1 (de) 2005-05-19
CN1867638A (zh) 2006-11-22
JP2007508429A (ja) 2007-04-05

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