EP2162582A2 - Formulations aqueuses et leur utilisation pour colorer ou enduire des substrats - Google Patents

Formulations aqueuses et leur utilisation pour colorer ou enduire des substrats

Info

Publication number
EP2162582A2
EP2162582A2 EP08785877A EP08785877A EP2162582A2 EP 2162582 A2 EP2162582 A2 EP 2162582A2 EP 08785877 A EP08785877 A EP 08785877A EP 08785877 A EP08785877 A EP 08785877A EP 2162582 A2 EP2162582 A2 EP 2162582A2
Authority
EP
European Patent Office
Prior art keywords
pigment
polyurethane
aqueous
substrates
acid
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Withdrawn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
EP08785877A
Other languages
German (de)
English (en)
Inventor
Holger TÜRK
Karl Siemensmeyer
Oihana Elizalde
Maria Teresa Hechavarria Fonseca
Karl Häberle
Stefan Kuhn
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Priority to EP08785877A priority Critical patent/EP2162582A2/fr
Publication of EP2162582A2 publication Critical patent/EP2162582A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/02—Emulsion paints including aerosols
    • C09D5/024—Emulsion paints including aerosols characterised by the additives
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
    • D06P1/5257—(Meth)acrylic acid
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5264—Macromolecular compounds obtained otherwise than by reactions involving only unsaturated carbon-to-carbon bonds
    • D06P1/5285—Polyurethanes; Polyurea; Polyguanides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
    • D06P1/642—Compounds containing nitrogen
    • D06P1/649—Compounds containing carbonamide, thiocarbonamide or guanyl groups
    • D06P1/6493—Carbodiimides (=N=C=N=)
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/34—Material containing ester groups
    • D06P3/52—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/79—Polyolefins
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/82—Textiles which contain different kinds of fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/28—Colorants ; Pigments or opacifying agents

Definitions

  • the present invention relates to aqueous formulations comprising (A) at least one pigment,
  • the present invention relates to a process for the preparation of the aqueous formulations according to the invention. Furthermore, the present invention relates to a method for colorating substrates using the aqueous formulations according to the invention.
  • WO 2004/031255 describes recording liquids which are particularly suitable for the ink-jet process and which contain random polyurethane copolymers and one or more melamine derivatives, the melamine derivative or s being used as crosslinkers. It turns out, however, that some of the crosslinkers disclosed in WO 2004/031255 can release formaldehyde in small amounts, which is often undesirable.
  • a further object was to provide a method for coloring substrates, and the object was to provide colored substrates, which do not have the disadvantages described above known from the prior art.
  • aqueous formulations according to the invention are aqueous formulations.
  • aqueous formulations are meant those formulations which have solids in dispersed or dissolved form and a continuous phase, the latter consisting mainly, that is to say more than 50% by volume, of water.
  • Formulations according to the invention may contain one or more organic solvents or be free from organic solvents.
  • Aqueous formulations according to the invention contain (A) at least one pigment.
  • pigment (A) is understood to mean virtually insoluble, dispersed finely divided, organic or inorganic colorants as defined in DIN 55944.
  • Examples of preferred pigments (A) are:
  • Monoazo pigments for example Cl. Pigment Brown 25; Cl. Pigment Orange 5, 13, 36 and 67; Cl. Pigment Red 1, 2, 3, 5, 8, 9, 12, 17, 22, 23, 31, 48: 1, 48: 2, 48: 3, 48: 4,
  • Disazo pigments for example Cl. Pigment Orange 16, 34 and 44; Cl. Pigment Red
  • Anthanthrone pigments for example Cl. Pigment Red 168 (Cl. Vat Orange 3);
  • Anthrachinonpigmente for example Cl. Pigment Yellow 147 and 177; Cl. pigment
  • Anthrapyrimidine pigments for example Cl. Pigment Yellow 108 (CI Vat Yellow 20); Quinacridone pigments, for example Cl. Pigment Red 122, 202 and 206; Cl. pigment
  • Quinophthalone pigments for example Cl. Pigment Yellow 138;
  • Dioxazine pigments for example Cl. Pigment Violet 23 and 37;
  • Flavanthrone pigments for example Cl. Pigment Yellow 24 (CI Vat Yellow 1); Indanthrone pigments, for example Cl. Pigment Blue 60 (Cl. Vat Blue 4) and 64 (Cl.
  • Isoindoline pigments for example Cl. Pigment Orange 69; Cl. Pigment Red 260; Cl.
  • Isoindolinone pigments for example Cl. Pigment Orange 61; Cl. Pigment Red 257 and 260; Cl. Pigment Yellow 109, 110, 173 and 185; Isoviolanthrone pigments, for example Cl. Pigment Violet 31 (Cl. Vat Violet 1);
  • Metal complex pigments for example Cl. Pigment Yellow 117, 150 and 153; Cl.
  • Perinone pigments for example Cl. Pigment Orange 43 (Cl. Vat Orange 7); Cl.
  • Pigment Red 194 (Cl. Vat Red 15); Perylene pigments, for example Cl. Pigment Black 31 and 32; Cl. Pigment Red 123,
  • Phthalocyanine pigments for example Cl. Pigment Blue 15, 15: 1, 15: 2, 15: 3, 15: 4,
  • Pyranthrone pigments for example Cl. Pigment Orange 51; Cl. Pigment Red 216 (CI Vat Orange 4);
  • Thioindigo pigments for example Cl. Pigment Red 88 and 181 (CI Vat Red 1); Cl.
  • Triaryl carbonium pigments for example Cl. Pigment Blue 1, 61 and 62; Cl. pigment
  • Pigment Yellow 101 (Aldazingelb);
  • pigments are: Cl. Pigment Yellow 138, Cl. Pigment Red 122, Cl. Pigment Violet 19, Cl. Pigment Blue 15: 3 and 15: 4, Cl. Pigment Black 7, Cl. Pigment Orange 5, 38 and 43 and Cl. Pigment Green 7.
  • the average diameter of pigment (A) may be in the range from 20 nm to 1.5 ⁇ m, preferably in the range from 300 to 500 nm.
  • pigment (A) is in spherical or approximately spherical particulate form, i. the ratio of the longest diameter to the smallest diameter is in the range of 1.0 to 2.0, preferably to 1.5.
  • Pigment (A) is added to the aqueous formulation according to the invention preferably in the form of pigment preparations.
  • Pigment preparations which may also be called pigment preparations, usually contain from 20 to 60% by weight of pigment (A), furthermore water and one or more surface-active compounds, for example one or more surfactants (E), which are described below.
  • An aqueous formulation according to the invention also contains at least one carbodiimide (B).
  • Carbodiimide (B) may, for example, have the formula I.
  • R 1 and R 2 may be different or the same and selected from
  • C 1 -C 20 -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, n-dodecyl, iso-dodecyl, n-tetradecyl, n-hexadecyl, n-octadecyl, n-eicosyl; preferably Ci-Cio-alkyl, such as methyl,
  • C 3 -C 20 -cycloalkyl monocyclic or bicyclic, unsubstituted or substituted by, for example, C 1 -C 6 -alkyl or with isocyanate, such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, 2,5-dimethylcyclopentyl, 2, 6
  • C6-Ci4-aryl unsubstituted or mono- or polysubstituted with, for example, C 1 -C 6 -alkyl or with isocyanate or with isocyanato-C 1 -C 6 -alkyl, in particular with
  • C (CH 3 ) 2-NCO such as -C 6 H 3 (CH 3 ) NCO, -C 6 H 4 -NCO, C 7 -C 5 -alkylaryl, in particular -C (CH 3 ) 2 -C 6 H 4 -C (CH 3 ) 2-NCO, meta or para, methyl-C 5 -C 7 -cycloalkyl, unsubstituted or substituted with isocyanate or with isocyanato-C 1 -C 4 -alkyl, in particular with C (CH 3 ) 2 -NCO,
  • Carbodiimide (B) is preferably a polymeric carbodiimide.
  • Polymeric carbodiimides are known as such and can be prepared by methods known per se, for example by condensation or polycondensation. tion of diisocyanate in the presence of a catalyst, for example Trialkylphos- phanoxid acyclic or preferably cyclic, as phospholene, triarylphosphinoxide, alkali metal alkanoate, for example sodium, alkali metal carbonate, for example sodium carbonate or potassium carbonate, or tertiary amine, for example triethylamine.
  • a catalyst for example Trialkylphos- phanoxid acyclic or preferably cyclic, as phospholene, triarylphosphinoxide, alkali metal alkanoate, for example sodium, alkali metal carbonate, for example sodium carbonate or potassium carbonate, or tertiary amine, for example triethylamine.
  • catalysts are phospholene oxides and phospholene oxides, for example 1-phenyl-2-methylphospholenoxide-2, 1-phenyl-2-methylphospholenoxide-3, 1-methylphospholenoxide-2 and 1-methylphospholenoxide-3, see, for example, US Pat. No. 2,853,473.
  • phospholene oxides and phospholene oxides for example 1-phenyl-2-methylphospholenoxide-2, 1-phenyl-2-methylphospholenoxide-3, 1-methylphospholenoxide-2 and 1-methylphospholenoxide-3, see, for example, US Pat. No. 2,853,473.
  • condensation or polycondensation to polymeric Carbodiimid carbon dioxide is split off.
  • polymeric carbodiimides are obtainable by condensation or polycondensation of at least one aromatic diisocyanate, for example 2,4-tolylene diisocyanate, 4,4'-diphenylmethane diisocyanate or 1, 7-naphthylene diisocyanate or at least one aliphatic or cycloaliphatic carbodiimide such as, for example, isophorone diisocyanate, trimethylene diisocyanate , Tetramethylene diisocyanate, hexamethylene diisocyanate, dodecamethylene diisocyanate, cyclohexane-1,4-diisocyanate, 2,4-hexahydrotoluylene diisocyanate, 2,6-hexahydrotoluylene diisocyanate and 4,4'-dicyclohexylmethane diisocyanate.
  • aromatic diisocyanate for example 2,4-tolylene diisocyanate, 4,4'-dip
  • Preferred polymeric carbodiimides are copolycarbodiimides obtainable by condensation or polycondensation of at least one aromatic diisocyanate, for example 2,4-tolylene diisocyanate, 4,4'-diphenylmethane diisocyanate or 1,7-naphthylene diisocyanate, with at least one aliphatic or cycloaliphatic carbodiimide such as, for example, isophorone diisocyanate, trimethylene diisocyanate , Tetra- methylene diisocyanate, hexamethylene diisocyanate, dodecamethylene diisocyanate, cyclohexane-1,4-diisocyanate, 2,4-hexahydrotoluylene diisocyanate, 2,6-hexahydrotallo- lene diisocyanate and 4,4'-dicyclohexylmethane diisocyanate.
  • aromatic diisocyanate for example 2,4-
  • carbodiimide (B) being a polymeric carbodiimide obtainable by polycondensation of m-TMXDI or p-TMXDI
  • Aqueous formulations according to the invention also contain (C) at least one random polyurethane, which is also referred to in the context of the present invention as polyurethane (C).
  • polyurethanes (C) are understood to mean not only those polyaddition products which are linked exclusively by urethane groups, but in a more general sense, polymers which can be obtained by reacting di- or polyisocyanates with compounds which are active hydrogen atoms contain.
  • polyurethanes (C) may also contain one or more urea, allophanate, biuret, carbodiimide, amide, ester, ether, uretonimine, uretdione, isocyanurate or oxazolidine groups per molecule.
  • polyurethanes (C) may contain one or more urea groups per molecule.
  • polyurethanes (C) contain at least one urethane group per molecule.
  • Statistical polyurethane (C) is prepared from at least one diisocyanate and at least two compounds which have two or more isocyanate-reactive groups.
  • the diisocyanate or diisocyanates may have NCO groups with the same or different reactivity.
  • diisocyanates having NCO groups of the same reactivity are aromatic or aliphatic diisocyanates, preferably aliphatic diisocyanates such as tetramethylene diisocyanate, hexamethylene diisocyanate, octamethylene diisocyanate, decamethylene diisocyanate, dodecamethylene diisocyanate, tetradecamethylene diisocyanate, trimethylhexane diisocyanate, tetramethylhexane diisocyanate, 1, 4-, 1, 3- or 1 , 2-diisocyanatocyclohexane, 4,4'-di (isocyanatocyclohexyl) methane, 1-isocyanato-3,3,5-trimethyl-5- (isocyanatomethyl) cyclohexane (isophorone diisocyanate) and 2,4-
  • Preferred diisocyanates with NCO groups of different reactivity are readily and cheaply available isocyanates such as 2,4-tolylene diisocyanate (2,4-TDI), 2,4'-diphenylmethane diisocyanate (2,4 'MDI), triisocyanatotoluene as agent for aro- diisocyanates or aliphatic diisocyanates such as 2-butyl-2-ethylpentamethylene diisocyanate, 2-isocyanatopropylcyclohexylisocyanate, 2,4,4- or 2,2,4-trimethylhexamethylene diisocyanate, 2,4'-methylenebis (cyclohexyl) diisocyanate and 4 - Methylcyclohexane-1, 3-diisocyanate (H-TDI).
  • isocyanates such as 2,4-tolylene diisocyanate (2,4-TDI), 2,4'-diphenylmethane diiso
  • diisocyanates having groups of different reactivity are 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate, 1,5-naphthylene diisocyanate, diphenyl diisocyanate, tolidine diisocyanate and 2,6-toluene diisocyanate.
  • Particularly preferred are aliphatic and cycloaliphatic diisocyanates such as hexamethylene diisocyanate (HDI) and isophorone diisocyanate.
  • HDI hexamethylene diisocyanate
  • isophorone diisocyanate isophorone diisocyanate.
  • polyisocyanates for example triisocyanate or tetraisocyanate, in order to incorporate branches into the polyurethane block.
  • Examples of compounds which carry two or more isocyanate-reactive groups, for example OH, SH, NH 2 or NHR 3 , where R 3 is selected from C 1 -C 12 -alkyl, are, for example, diols and secondary diamines.
  • Examples are secondary diamines, for example 1,4-butylene-N, N'-dimethylamine, and preferably linear or branched aliphatic diols (c1). Particularly preferred are aliphatic diols having 2 to 10 carbon atoms (d).
  • ethylene glycol 1,2-propanediol, 1,3-propanediol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, cis-1,2-cyclohexanedimethanol, trans-1,2-cyclohexanedimethanol as well as cis- and trans-1,4-cyclohexanedimethanol.
  • ethylene glycol 1,2-propanediol, 1,3-propanediol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, cis-1,2-cyclohexanedimethanol, trans-1,2-cyclohexanedimethanol as well as cis- and trans-1,4-cyclohexanedimethanol.
  • polyether polyols are reaction products of dihydric or polyhydric alcohols such as, for example, ethylene glycol, propylene glycol or glycerol with one or more equivalents of C 2 -C 4 -alkylene oxide, for example butylene oxide and preferably propylene oxide and / or ethylene oxide. If it is desired to produce ethylene oxide / propylene oxide mixed condensation products, the reaction can preferably be controlled in such a way that products are obtained which have terminally predominantly primary hydroxyl groups.
  • Suitable polyether polyols preferably have a molecular weight M n in the range from 250 to 4,000 g / mol, in particular from 400 to 2,500 g / mol. Also suitable are compounds which contain at least 2 different isocyanate-reactive groups, for example thioglycol or ethanolamine or methyldiethanolamine.
  • polyesterols c2
  • Polyesterols in the sense of the present invention have two or more hydroxy groups.
  • Polyesterols (c2) are obtainable by polycondensation of at least one aliphatic diol with at least one aliphatic or aromatic dicarboxylic acid.
  • small amounts of aliphatic diol for example up to 10 mol%, by aliphatic triol or tetraol such as glycerol, 1, 1, 1-trimethylol ethane, 1, 1, 1-trimethylolpropane, 1, 1, 1-trimethylolbutane or Replaces pentaerythritol.
  • aromatic or aliphatic dicarboxylic acid may be replaced by tri- or tetracarboxylic acid, for example hemimellitic acid (1,2,3-benzenetricarboxylic acid), trimellitic acid (1,2,4-benzenetricarboxylic acid ), Trimesic acid (1, 3,5-benzenetricarboxylic acid) or pyromellitic acid (1, 2,4,5-benzenetetracarboxylic acid).
  • tri- or tetracarboxylic acid for example hemimellitic acid (1,2,3-benzenetricarboxylic acid), trimellitic acid (1,2,4-benzenetricarboxylic acid ), Trimesic acid (1, 3,5-benzenetricarboxylic acid) or pyromellitic acid (1, 2,4,5-benzenetetracarboxylic acid).
  • Suitable aliphatic diols are aliphatic or cycloaliphatic diols, preferably having two to 20 C atoms per molecule, more preferably having two to 12 C atoms per molecule.
  • aliphatic diols are, in particular, ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, 1,2-propanediol (propylene glycol), dipropylene glycol, 1,3-propanediol, 1,4-butanediol, 1,6-hexanediol, 1,0,10 - Decandiol, 1, 12-dodecanediol, neopentyl glycol, cis-1, 2-cyclohexanedimethanol, trans-1, 2-cyclohexanedimethanol and cis- or trans-1, 4-cyclohexanedimethanol.
  • Suitable aliphatic dicarboxylic acids are C 2 -C 10 -dicarboxylic acids, for example oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, sebacic acid, pimelic acid, hexahydrophthalic acid and hexahydroisophthalic acid.
  • aromatic dicarboxylic acids examples include naphthalene-1, 5-dicarboxylic acid, naphthalene-2,6-dicarboxylic acid, terephthalic acid, phthalic acid and in particular isophthalic acid.
  • polyester polyol (c2) it is also possible to use mixtures of several aliphatic dicarboxylic acids for the synthesis of polyester polyol (c2), in particular mixtures of succinic acid, glutaric acid and adipic acid.
  • a mixture of at least one aliphatic and at least one aromatic dicarboxylic acid is used for the synthesis of polyesterpolyol (c2).
  • the anhydride in question is used instead of aromatic or aliphatic dicarboxylic acid, for example succinic anhydride or phthalic anhydride.
  • polyester polyol (c2) has an average molecular weight M n in the range of 250 to 10,000 g / mol, preferably up to 4,000 g / mol, particularly preferably 400 to 2,500 g / mol.
  • polyesterol (c2) is known per se and is achieved by esterification of one or more aliphatic or aromatic dicarboxylic acids or their anhydrides with one or more aliphatic diols, optionally together with small amounts of triol, tetraol, tricarboxylic acid or tetracarboxylic acid.
  • the preparation of polyesterol (c2) can also be achieved by transesterification of one or more aliphatic or aromatic dicarboxylic acid dimethyl or diethyl esters with one or more aliphatic diols, optionally together with small amounts of triol, tetraol, tricarboxylic acid or tetracarboxylic acid.
  • the esterification or transesterification can be carried out in solution or in bulk. Preference is given to carrying out in the presence of a catalyst, in particular an acidic catalyst, examples being sulfuric acid, organic sulfonic acid, acidic silica gels, acidic aluminum oxide and acidic ion exchanger.
  • a catalyst in particular an acidic catalyst, examples being sulfuric acid, organic sulfonic acid, acidic silica gels, acidic aluminum oxide and acidic ion exchanger.
  • an entraining agent for distilling off azeotropic entrainer / water mixtures is also suitable.
  • Suitable aliphatic diols (d) are also polycaprolactone diols and polycaprolactone triols.
  • random polyurethane (C) is a polyurethane that further
  • (c3) contains in copolymerized form a compound having at least one carboxylic acid group or at least one sulfonic acid group per molecule, also referred to as compound (c3) for short.
  • Examples of compounds (c3) are diamines, amino alcohols and in particular diols having at least one carboxylic acid group or at least one sulfonic acid group per molecule.
  • Examples include 2,2-bis (hydroxymethyl) propionic acid, bis (hydroxymethyl) acetic acid and 2,2-bis (hydroxymethyl) butyric acid, furthermore
  • R 4 may be methyl or preferably hydrogen
  • M is selected from hydrogen, alkali metal ions and ammonium ions, substituted or unsubstituted.
  • the molar ratio of (c1) to (c2) is in the range of 1 to 2 to 2 to 1, most preferably the molar ratio of (c1) to (c2) is 1 to 1.
  • the molar ratio of (c1) or (c2) to (c3) is in the range of 1 to 2 to 2 to 1.
  • Suitable catalysts which in particular accelerate the reaction between the NCO groups of the diisocyanates and the hydroxyl groups and amino groups of the compounds bearing two isocyanate-reactive groups are the tertiary amines known and customary in the prior art, such as, for example, triethylamine, Dimethylcyclohexylamine, N-methylmorpholine, N, N'-dimethylpiperazine, 2- (dimethylaminoethoxy) ethanol, diazabicyclo- (2,2,2) -octane and the like, and in particular organic metal compounds such as titanic acid esters, iron compounds such as Iron (III) acetylacetonate, zinc or bismuth compounds, e.g.
  • Zinc or bismuth salts of aliphatic carboxylic acids especially acetic acid or of fatty acids such as stearic acid, tin compounds, e.g. Tin diacetate, tin dioctoate, tin dilaurate or the dialkyl derivatives of tin dialkyl salts of aliphatic carboxylic acids such as di-n-butyltin diacetate, di-n-butyltin dilaurate or the like.
  • the catalyst or catalysts are usually used in amounts of 0.0001 to 0.1 parts by weight per 100 parts by weight of diisocyanate.
  • strongly acidic groups of random polyurethane (C) are neutralized, such as free carboxylic acid groups or sulfonic acid groups with base such as alkali metal hydroxide.
  • base such as alkali metal hydroxide.
  • volatile base such as primary, secondary or tertiary amine, for example methylamine, dimethylamine, trimethylamine, ethylamine, diethylamine, triethylamine, isopropylamine, ethyldiisopropylamine, di-n-butylamine, ethanolamine, diethanolamine, triethanolamine, N-methyldiethanolamine, n-propyl diethanolamine, n-butyldiethanolamine or N, N-dimethylethanolamine. It is particularly preferred to neutralize with ammonia.
  • Novel aqueous formulation may optionally further comprises (D) at least one polyacrylate containing in copolymerized form no comonomers which an equivalent may cleave upon exposure to temperatures in the range of 100 to 250 0 C per mole of formaldehyde, in the present invention is also briefly referred to as polyacrylate (D).
  • Polyacrylate (D) comprises or does not relate to such binders which comprise copolymerized comonomers which comprise, for example, copolymerized N-methylol (meth) acrylamide. Polyacrylate (D) further does not include or relates to N-methylolurea derivatives.
  • aqueous formulation used in the present process typically contains no binder contains copolymerized comonomer which can split off one equivalent of formaldehyde on exposure to temperatures in the range of 100 to 250 0 C or less per mole.
  • polyacrylate (D) is understood as meaning copolymers which are obtained by preferably free-radical copolymerization of at least two comonomers, of which at least one is selected from (meth) acrylic acid and (meth) acrylates, for example (meth) acrylic acid-Ci C 2 - alkyl esters, preferably (meth) acrylic acid C 1 -C 10 -alkyl esters, and which preferably make up at least 50% by weight of polyacrylate (D).
  • polyacrylate (D) is selected from copolymers which are comonomer (meth) acrylic acid, comonomer having an epoxide group in the molecule such as glycidyl (meth) acrylate, ⁇ -C2-Cio-hydroxyalkyl (meth ) acrylate or (meth) acrylic acid esters of alcohols of the general formula II
  • R 5 is selected from branched and preferably unbranched C 1 -C 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, especially It prefers unbranched Ci-C 4 -AlkVl such as methyl, ethyl, n-propyl and n-butyl.
  • Suitable poly (meth) acrylates in the context of the present invention are copolymers of one or more C 1 -C 10 -alkyl esters of (meth) acrylic acid which are, for example, (meth) acrylic acid, glycidyl (meth) acrylate or C 2 -C 10 -hydroxyalkyl (meth) Acrylate and optionally one or more other comonomers may contain in copolymerized form.
  • Other comonomers which may be mentioned by way of example are vinylaromatics, such as ⁇ -methylstyrene, para-methylstyrene and, in particular, styrene, furthermore (meth) acrylamide, vinyl chloride, (meth) acrylonitrile.
  • C 1 -C 10 -alkyl esters of (meth) acrylic acid are methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, isopropyl (meth) acrylate, n-butyl (meth) acrylate , n-hexyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, n-decyl (meth) acrylate.
  • ⁇ -hydroxy-C 2 -C 10 -alkylene esters of (meth) acrylic acid are in particular ⁇ -hydroxy-C 2 -C 10 -alkyl (meth) acrylates, such as 6-hydroxyhexyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate and especially 2-hydroxyethyl (meth) acrylate.
  • polyacrylate (D) of such poly (meth) acrylates are selected, the copolymers of one or more Ci-Cio-alkyl esters of (meth) acrylic acid and (meth) acrylic acid and at least one comonomer selected from glycidyl (meth) acrylate and C2-Cio-hydroxyalkyl (meth) acrylate in copolymerized form, optionally one or more further comonomers.
  • Polyacrylates (D) may have a molecular weight M n in the range of 5,000 to 1,000,000 g / mol.
  • Polyacrylate (D) can preferably be prepared by free-radical (co) polymerization of the corresponding comonomers, preferably by free-radical emulsion copolymerization, which for the purposes of the present invention is also referred to simply as free-radical emulsion polymerization.
  • the carboxyl groups of the copolymerized (meth) acrylic acid can be present in free form or in completely or partially neutralized form, for example in alkali , with ammonia or with amine completely or partially neutralized form.
  • Particularly suitable amines are, for example, tertiary amines, for example (C 1 -C 4 -alkyl) 3, in particular triethylamine, and alkanolamines, such as, for example, ethanolamine, diethanolamine, triethanolamine, Methyl ethanolamine, N, N-dimethylethanolamine and N- (n-butyl) ethanolamine.
  • tertiary amines for example (C 1 -C 4 -alkyl) 3, in particular triethylamine
  • alkanolamines such as, for example, ethanolamine, diethanolamine, triethanolamine, Methyl ethanolamine, N, N-dimethylethanolamine and N- (n-butyl) ethanolamine.
  • D partially or completely neutralized polyacrylate
  • Polyacrylate (D) is preferably in the form of spherical particles dispersed in water.
  • the spherical particles may, for example, have an average diameter in the range of 10 nm to 10 ⁇ m, preferably 20 nm to 1 ⁇ m.
  • aqueous formulations according to the invention comprise at least one surfactant (E) which may be cationic, anionic or preferably nonionic.
  • cationic surfactants (E) are aliphatic di-, tri- and tetra-amines which have been alkoxylated several times with C 2 -C 4 -alkylene oxide, in particular ethylenediamine which is ethoxylated from 5 to 50 times, diethylenetriamine and triethylenetetramine. Such cationic surfactants (E) can be used particularly well together with pigment (A) in a pigment preparation.
  • Suitable anionic surfactants (E) are e.g. Alkali metal and ammonium salts of alkyl sulfates (alkyl radical: Cs to C12), of sulfuric monoesters of ethoxylated alkanols (degree of ethoxylation: 3 to 30, alkyl radical: C10-C20, preferably C12-C18) and ethoxylated alkylphenols (degree of ethoxylation: 3 to 50, alkyl radical: C4-C12), of alkylsulfonic acids (alkyl radical: C12-C18) and of alkylarylsulfonic acids (alkyl radical: C
  • nonionic surfactants (E) are, for example, ethoxylated mono-, di- and tri-alkylphenols (degree of ethoxylation: 3 to 50, alkyl radical: C4-C12) and also ethoxylated fatty alcohols (degree of ethoxylation: 3 to 80, alkyl radical: C8-C36) , Examples are the Lutensol ® brands of BASF Aktiengesellschaft.
  • nonionic surfactants (E) are mono- or polyalkoxylated, preferably propoxylated and in particular multiply, for. B. 3 to 100-fold ethoxylated fatty alcohols, oxo alcohols and in particular aryl polyglycol ethers, for example of the formula III a to III c:
  • Ar different or optionally identical, C 6 -C 14 aryl, for example phenyl,
  • Naphthyl or phenanthryl unsubstituted or monosubstituted or polysubstituted, in particular with C 1 -C 4 -alkyl, branched or unbranched, for example methyl,
  • t is different or preferably the same and selected from numbers in the range from 1 to 100, preferably 2 to 50 and particularly preferably 3 to 20.
  • Aqueous formulations according to the invention may further comprise one or more auxiliaries (F).
  • auxiliaries are, for example, thickeners (thickeners), solvents, defoamers, wetting agents, handle improvers, dispersants, water retention agents, anti-settling agents and / or biocides to understand.
  • Preferred auxiliaries are thickeners and defoamers.
  • aqueous formulations according to the invention may contain one or more natural thickeners or preferably one or more synthetic thickeners.
  • Natural thickeners are thickeners which are natural products or can be obtained by working up such as, for example, cleaning operations, in particular extraction of natural products.
  • examples of inorganic natural thickeners are phyllosilicates such as bentonite.
  • examples of organic natural thickeners are preferably proteins such as casein or preferably polysaccharides.
  • Particularly preferred natural thickeners are selected from agar-agar, carrageenan, gum arabic, alginates such as sodium alginate, potassium alginate, ammonium alginate, calcium alginate and propylene glycol alginate, pectins, polyoses, carob bean gum and dextrins.
  • Synthetic thickeners which are selected from generally liquid solutions, emulsions or dispersions of synthetic polymers, in particular acrylates, in, for example, white oil or as aqueous solutions.
  • Synthetic polymers used as thickeners contain acid groups which are completely or to some extent neutralized with ammonia. Ammonia is released during the fixation process, which lowers the pH and starts the fixation process.
  • the lowering of the pH necessary for the fixation can alternatively be effected by addition of non-volatile acids such as, for example, citric acid, succinic acid, glutaric acid or malic acid.
  • di- Ammonium phosphate and sodium di-ammonium phosphate to lower the pH suitable.
  • Very particularly preferred synthetic thickeners are selected from copolymers of from 85 to 99.9% by weight of acrylic acid, from 0 to 14% by weight of acrylamide and from 0.01 to a maximum of 1% by weight of the (meth) acrylamide derivative of the formula IV
  • R 6 radicals may be different or identical and may denote methyl or hydrogen.
  • Aqueous formulations according to the invention may contain one or more solvents, including in the context of the present invention organic solvents such as, for example, methanol, ethanol or isopropanol.
  • Aqueous formulations according to the invention may contain one or more defoamers.
  • suitable defoamers are silicone-containing defoamers such as those of the formula HO- (CH 2 ) 3-Si (CH 3) 2 [OSi (CH 3) 3] 2 and HO- (CH 2 ) 3-Si (CH 3) 2 [OSi (CH 3) 3] [OSi (CH3) 2OSi (CH3) 3], not alkoxylated or with up to 20 equivalents of alkylene oxide and especially ethylene oxide.
  • Silicone-free defoamers are also suitable, for example polyalkoxylated alcohols, for example fatty alcohol alkoxylates, preferably 2 to 50-times ethoxylated, preferably unbranched, C 10 -C 20 -alkanols, unbranched C 10 -C 20 -alkanols and 2-ethylhexan-1-ol.
  • Further suitable defoamers are fatty acid C 8 -C 20 -alkyl esters, preferably stearic acid C 10 -C 20 -alkyl esters, in which C 8 -C 20 -alkyl, preferably C 10 -C 20 -alkyl, can be unbranched or branched.
  • Further suitable defoamers are trialkyl phosphates, for example triisobutyl phosphate.
  • Aqueous formulations according to the invention may contain, for example, one or more wetting agents, preferably low-foaming wetting agents, since foaming can impair the quality of the treatment by forming unegalacts.
  • Wetting agents used are, for example: 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.
  • Aqueous formulations according to the invention may further comprise one or more handle improvers, which are usually selected from silicones, in particular polydimethylsiloxanes, and fatty acid esters.
  • Aqueous formulations according to the invention may contain one or more dispersants.
  • suitable dispersants are aryl- or alkyl-substituted polyglycol ethers, furthermore substances which are described in US Pat. No. 4,218,218 and homologues with y (from the formulas from US Pat. No. 4,218,218) in the range from 10 to 37.
  • Aqueous formulations according to the invention may contain one or more water retention agents.
  • An example of a suitable water retention agent is urea.
  • Aqueous formulations according to the invention may contain one or more biocides.
  • Suitable biocides are, for example, commercially available as Proxel brands.
  • BIT 1,2-benzisothiazolin-3-one
  • MIT 2-methyl-2H-isothiazole. 3-one
  • CIT 5-chloro-2-methyl-2H-isothiazol-3-one
  • Suitable anti-settling agents are silicates and silica gels, for example having an average particle diameter (in particular secondary particle diameter) in the range from 10 to 500 nm, in particular pyrogenic silica gels.
  • Suitable pyrogenic silica gels are commercially available, for example, as Aerosil® grades.
  • Aqueous formulations according to the invention may contain as adjuvant (F), in particular if they are to be used for coating, one or more foaming agents, for example ammonium salts of fatty acids, preferably ammonium stearate.
  • F adjuvant
  • foaming agents for example ammonium salts of fatty acids, preferably ammonium stearate.
  • an adjuvant (F) performs several functions.
  • polyethoxylated fatty alcohols such as, for example, n-cisH37O (CH 2 CH 2 O) 5H can simultaneously act as wetting agents, emulsifiers and low-foaming dispersants.
  • aqueous formulations according to the invention comprise 1 to 15% by weight, preferably 1.5 to 10% by weight, particularly preferably 2 to 5% by weight, of polyacrylate (D). This embodiment is preferred if one wishes to use aqueous formulation according to the invention as printing paste for a process for printing on substrates.
  • aqueous formulations according to the invention contain from 10 to 25% by weight, preferably from 12 to 20% by weight, of polyacrylate (D). This embodiment is preferred if one wishes to use aqueous formulation according to the invention for a process for coating substrates.
  • aqueous formulations according to the invention contain from 0.5 to 15% by weight, preferably up to 5% by weight, of polyacrylate (D). This embodiment is preferred if one wishes to practice aqueous formulation according to the invention as a liquor for a process for dyeing substrates or as an ink for printing by the ink-jet process.
  • aqueous formulations according to the invention contain at least one polyacrylate (D), in those embodiments in which polyester substrates are desired to be colored, however, it is preferred that aqueous formulations of the invention do not contain polyacrylate (D). contain.
  • Aqueous formulations according to the invention also contain water.
  • aqueous formulations according to the invention are selected from aqueous printing pastes, dyeing liquors, coating pastes and pastes for nonwoven bonding.
  • aqueous formulations according to the invention have a water content in the range of 60 to 95% by weight, preferably 80 to 95% by weight. This embodiment is preferred if one wishes to use aqueous formulation according to the invention as printing paste for a process for printing on substrates.
  • aqueous formulations according to the invention have a water content in the range from 20 to 80% by weight, preferably up to 70% by weight. This embodiment is preferred when the invention wish to exercise aqueous formulation for a process for coating substrates.
  • aqueous formulations according to the invention have a water content in the range from 90 to 98% by weight. This embodiment is preferred if it is desired to use aqueous formulation according to the invention as a liquor for a process for dyeing substrates.
  • the aqueous formulation according to the invention has a pH in the range from 7 to 9, preferably 7 to 8.5.
  • aqueous formulation according to the invention has a solids content in the range of 0.5 to 70%, preferably 1 to 30% and particularly preferably 1 to 25%.
  • the aqueous formulation according to the invention has a dynamic viscosity at 23 ° C. in the range from 10 to 100 dPa.s, preferably from 20 to 30 dPa.s determined, for example, by rotational viscometry, for example with a Haake viscometer.
  • the abovementioned viscosity range applies in particular if the aqueous formulation according to the invention is a printing paste.
  • Another object of the present invention is the use of aqueous formulations according to the invention for the coloration of substrates.
  • a further subject of the present invention is a process for coloring substrates using at least one aqueous formulation according to the invention.
  • Suitable substrates are:
  • cellulose-containing materials such as paper, cardboard, cardboard, wood and wood-based materials, which may also be painted or otherwise coated,
  • metallic materials such as foils, sheets or workpieces of aluminum, iron, copper, silver, gold, zinc or alloys of these metals which may be painted or otherwise coated,
  • silicate materials such as glass, porcelain and ceramics, which may also be coated
  • polymeric materials of all types such as polystyrene, polyamides, 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, and in particular polyester or polypropylene or mixtures of polyester and polypropylene,
  • textile substrates and fabrics such as woven fabric, knitted fabric, woven fabric, nonwovens and made-up goods of, for example, polyester, modified polyester, blends of more than two materials, such as polyester blend and cotton blends, cellulosic materials such as cotton, jute, flax, hemp and ramie, viscose , Wool, silk, polyamide, polyamide blend, polyacrylonitrile, polyurethane, poly-THF, triacetate, acetate, polycarbonate, polypropylene, polyvinyl chloride and glass fiber fabric, more preferably polyester, polypropylene or blends of polyester and polypropylene, furthermore polyester blends with, for example, cotton and furthermore polyester microfibers.
  • polyester, modified polyester blends of more than two materials, such as polyester blend and cotton blends, cellulosic materials such as cotton, jute, flax, hemp and ramie, viscose , Wool, silk, polyamide, polyamide blend, polyacrylonitrile, polyurethane, poly
  • the process according to the invention for coloring substrates which is also referred to below as the inventive coloration process, can be carried out by processes known per se.
  • coating and printing, padding or patting, doctoring and spraying are suitable.
  • Highly suitable are printing processes and in particular screen printing processes and doctor blade processes.
  • substrates are textile, dyeing by textile dyeing methods such as padding is also possible.
  • the substrate to be colored is treated with at least one aqueous formulation according to the invention.
  • two or more aqueous formulations according to the invention with different-colored pigments (A) can be combined into sets and treated successively with the various aqueous formulations.
  • the inventive colorization process can be carried out by applying a substrate in the range from 50 to 150 g of aqueous formulation / m 2 , preferably from 70 to 130 g / m 2 , based on
  • the coloration process according to the invention can be carried out in such a way that a liquor pick-up in the range from 20 to 90% results.
  • This embodiment is particularly preferred when practicing the inventive colorization process as a dyeing process. For example, you can choose a liquor pick-up in the range of 20 to 60%, preferably 30 to 60%, if one chooses polyester as the substrate, or a liquor pick-up in the range of 40 to 90%, preferably 50 to 80%, if one chooses cotton as the substrate ,
  • thermally treat after treating substrate with aqueous formulation in one or more treatment steps.
  • thermally drying and / or heat-setting preferably is dried at temperatures of 70 to 120 0 C over a period of 30 seconds to 30 minutes and / or fixed, where appropriate, following the drying operation, at temperatures of 140 0 C to 200 ° C over a period of 30 seconds to 15 minutes.
  • Another object of the present invention are colored substrates, preferably of polyester or mixtures of polyester, which are colored by the coloration process according to the invention.
  • Colored substrates of the invention have excellent fastnesses to use, such as, for example, washfastness and rubfastnesses, in particular wet rub fastnesses, and do not decompose formaldehyde or measurable amounts of formaldehyde in the heat.
  • a further subject matter of the present invention is a process for the preparation of aqueous formulations according to the invention, in the context of the present invention also called production process according to the invention, which is characterized in that (A) at least one pigment,
  • (D) optionally contains at least one polyacrylate which einpolyme- no comonomers ized, the equivalent can release formaldehyde when exposed to temperatures in the range of 100 to 250 0 C, per mole,
  • ingredients (A) to (F) can be freely selected. If it is desired to use one or more thickeners as adjuvant (F), then this is it is preferable to add the thickener (s) as last or immediately prior to filling with water.
  • the novel process for the preparation of formulations according to the invention can be carried out in any vessel. If it is desired to use one or more thickeners as adjuvant (F), it is preferable to mix with the aid of a high-speed stirrer, for example an Ultra-Thurrax.
  • a high-speed stirrer for example an Ultra-Thurrax.
  • the preparation process of the invention can be carried out at temperatures in the range of 1 to 80 0 C, preferably 5 to 35 ° C.
  • Preliminary remark The content of free (split off) formaldehyde was determined according to Law 1 12 and according to AATCC 1 12 methods (EN ISO 14 184, parts 1 and 2), DIN EN ISO 14184-1 and DIN EN ISO 14184-2.
  • the particle diameter distribution of dispersed or emulsified copolymers was determined by Coulter Counter from Malvern according to ISO 13321.
  • a suspension containing 160 ml of demineralized water and 9.1 g of polystyrene seed (average diameter 30 nm, 33% by weight suspension in water) was placed in a 5 l vessel with stirrer, nitrogen inlet and three metering devices ). Nitrogen was passed through the suspension over a period of one hour. Subsequently, the mixture was heated to 75 ° C. The mixture was then started simultaneously with the addition of mixture 1.1.1, mixture 1.1.2 and mixture 1.1.3. Mixture 1.1.1 was added over 3 hours, mixture 1.1.2 and mixture 1.1.3 within 3 hours 15 minutes. During the addition, the temperature was maintained at 75 ° C.
  • the mixture was stirred for a further 30 minutes at 75 ° C. and then, for deodorization, simultaneously a solution of 2 g of tert-butyl hydroperoxide (70% by weight in water) in 23 ml of distilled water and a solution of 2 g of acetone. Disulfite in 23.5 ml of distilled water over a period of 90 minutes added.
  • the dispersion thus obtainable was filtered through a 125 ⁇ m mesh.
  • the filtration time was 4 minutes. This removed about 2 grams of coagulum.
  • Pigment (A.1) Pigment preparation
  • the milling was continued until the pigment particles had a mean diameter of 100 nm.
  • the pigment preparation P (A.1) was obtained.
  • the ingredients according to Table 1 were stirred in a mixing vessel by mixing them in the following order: 200 ml of water and surfactant (E.3) were introduced. When the pH was below 8, the pH was adjusted to 8.5 by the addition of 25% by weight aqueous ammonia. Subsequently, carbodiimide (B.1) and optionally polyacrylate (D.1) in accordance with the table were added with stirring. Subsequently, while stirring, random polyurethane (C.1) according to Table (F.1), optionally further auxiliaries and finally P (A.1) were added. It was made up to one liter with water and then stirred for 15 minutes with an Ultra-Turrax speed mixer at about 6000 rpm.
  • Inventive print pastes according to the invention were obtained in accordance with Table 1 or 2 or, in the cases in which one or more of the abovementioned ingredients were omitted, the corresponding comparative printing pastes.
  • Table 1 Composition of the novel polyacrylate-containing printing pastes WF.1 and WF.2 and the comparative printing paste V-WF.3
  • Table 2 Composition of the polyacrylate-free printing pastes according to the invention WF.4 to WF.14 and the comparative printing pastes V-WF.15 and V-WF.16
  • NH3 denotes the amount of a 25% by weight aqueous solution
  • Printed white polyester fabric (basis weight 120 g / m 2 ) each with printing paste WF.1 or WF.2 according to the invention or comparative printing paste V-WF.3 with a doctor blade (diameter 6 mm) over a strip stencil (gauze E 55), Magnetic training 6.
  • polyester PES.1 and PES.2 had no measurable formaldehyde emissions.
  • Table 4 Wash fastnesses of colored textiles PES.1, PES.2 and V-PES.3 The wet rub fastness was determined according to EN ISO 105 C03. The lightening of the test fabric was evaluated. One each printed a white polyester microfiber fabric with a weight of 95 g / m 2 with one of the printing pastes WF.4 to WF.14 invention or with one of the comparative printing pastes V.WF.15 or V-WF.16. using a squeegee (diameter 6 mm) over a strip template (gauze E 55), magnetic pull 6.
  • Table 5 Fastness of the invention printed polyester microfibre PES.4 to PES.14 and the comparative textiles V-PES.15 and V-PES.16
  • the starting point was undyed polypropylene straps, 5 cm wide, with a product weight of 365 g / m 2 .
  • the application was made with a foulard.
  • dyed polypropylene belts PP.18 to PP.24 and polypropylene belt PP.17 according to Table 6 were obtained.
  • Table 6 Properties of colored polypropylene belts PP.18 to PP.24 according to the invention and comparison polypropylene belt PP.17, each of which had satisfactory properties

Abstract

L'invention concerne des formulations aqueuses contenant (A) au moins un pigment, (B) au moins un carbodiimide, (C) au moins un polyuréthane statistique et (D) éventuellement au moins un polyacrylate ne contenant pas de comonomères copolymérisés, qui peuvent séparer un équivalent de formaldéhyde par mole sous des températures comprises entre 100 et 250 °C.
EP08785877A 2007-06-29 2008-06-23 Formulations aqueuses et leur utilisation pour colorer ou enduire des substrats Withdrawn EP2162582A2 (fr)

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PCT/EP2008/057967 WO2009003865A2 (fr) 2007-06-29 2008-06-23 Formulations aqueuses et leur utilisation pour colorer ou enduire des substrats
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US2853473A (en) * 1956-08-27 1958-09-23 Du Pont Production of carbodiimides
US5247004A (en) * 1989-02-03 1993-09-21 Ppg Industries, Inc. Polymeric-containing compositions with improved oxidative stability
US5929188A (en) * 1996-04-30 1999-07-27 Dainichiseika Color & Chemicals Mfg. Co., Ltd. Polycarbodiimide compound, production process thereof, resin composition, and treatment method of article
ATE215102T1 (de) * 1997-07-31 2002-04-15 Basf Ag Wässerige dispersionen enthaltend polyurethane mit carbodiimidgruppen
DE10129366B4 (de) * 2001-06-20 2009-06-10 Freudenberg, Carl Mit Pigmenten gefärbter und/oder bedruckter Vliesstoff, Verfahren zu dessen Herstellung und diese umfassende Textilien
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