EP0985067A1 - Process for fixing pigment prints and pigment dyeings with ionising radiation or uv radiation - Google Patents

Process for fixing pigment prints and pigment dyeings with ionising radiation or uv radiation

Info

Publication number
EP0985067A1
EP0985067A1 EP98930710A EP98930710A EP0985067A1 EP 0985067 A1 EP0985067 A1 EP 0985067A1 EP 98930710 A EP98930710 A EP 98930710A EP 98930710 A EP98930710 A EP 98930710A EP 0985067 A1 EP0985067 A1 EP 0985067A1
Authority
EP
European Patent Office
Prior art keywords
pigment
process according
radiation
dye
fibre material
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Withdrawn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
EP98930710A
Other languages
German (de)
French (fr)
Inventor
Peter Scheibli
Mickael Mheidle
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 Schweiz AG
Original Assignee
Ciba Spezialitaetenchemie Holding AG
Ciba SC Holding AG
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 Ciba Spezialitaetenchemie Holding AG, Ciba SC Holding AG filed Critical Ciba Spezialitaetenchemie Holding AG
Publication of EP0985067A1 publication Critical patent/EP0985067A1/en
Withdrawn legal-status Critical Current

Links

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
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
    • 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
    • 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
    • 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
    • D06P1/5214—Polymers of unsaturated compounds containing no COOH groups 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
    • D06P1/5214—Polymers of unsaturated compounds containing no COOH groups or functional derivatives thereof
    • D06P1/5242—Polymers of unsaturated N-containing compounds
    • 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
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
    • D06P5/2005—Treatments with alpha, beta, gamma or other rays, e.g. stimulated rays
    • 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
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/20—Physical treatments affecting dyeing, e.g. ultrasonic or electric
    • D06P5/2016—Application of electric energy

Definitions

  • the present invention relates to a process for fixing pigment prints and pigment dyeings on fibre material with ionising radiation or by irradiation with UV radiation in the presence of photoinitiators.
  • Printing or dyeing fibre materials with pigment dyes by the so-called pigment printing or pigment dyeing process is one of the oldest known processes for the production of coloured textile goods. Nevertheless, the current printing and dyeing processes do not yet meet all the requirements made on them today, especially not regarding environmental impact and energy consumption.
  • this invention relates to a process for printing or dyeing fibre material with pigment dyes, which comprises applying to the fibre material a dye formulation comprising at least one pigment dye and at least one pigment dye binder as well as optional further auxiliaries and then fixing it with ionising radiation, or applying to the fibre material a dye formulation comprising at least one pigment dye, at least one pigment dye binder and at least one photoinitiator as well as optional further auxiliaries and then fixing it with UV radiation.
  • One advantage of the novel processs is that it dispenses with the energy-consuming heat setting required in the conventional pigment printing and pigment dyeing processes.
  • the fixing process consists in briefly irradiating the fibre material to be printed or dyed, e.g. textile fibre material, with ionising radiation or with UV radiation in the presence of at least one photoinitiator after printing or dyeing in the moist or dry state.
  • the printed or dyed fibre material is advantageously irradiated and fixed at elevated temperatures, for example from 40 to 120° C, preferably from 60 to 100° C.
  • the irradiation can be carried out either immediately after the drying process or the cold printed fibre material may be heated to the desired temperature before irradiation, using e.g. an infrared heater.
  • lonising radiation is to be understood as being radiation which can be detected in an ionisa- tion chamber.
  • Suitable heavy charged particles are protons, atom nuclei or ionised atoms.
  • Light charged particles, e.g. electrons, are particularly important for the process of this invention.
  • Suitable X-rays are bremsstrahlung and also characteristic radiation. ⁇ -Radiation is to be mentioned as important particle radiation of heavy charged particles.
  • the ionising radiation can be produced by one of the customary methods.
  • suitable radiation sources are natural or synthetic radioactive substances and, especially, atom reactors.
  • the radioactive fission products obtained from nuclear fission are another important radiation source.
  • Another suitable radiation-producing method is that using an X-ray tube.
  • Particularly important rays are those consisting of particles which are accelerated in electric fields.
  • Suitable radiation sources in this connection are thermo, electron impact, low-voltage arc, cold cathode and high frequency ion sources.
  • Electron beams are particularly important for the process of this invention. These are pro ⁇ prised by accelerating and concentrating electrons which are emitted via thermionic, field or photo emission and also via electron or ion bombardment from a cathode.
  • Radiation sources are electron guns and accelerators of conventional make. Examples of radiation sources are known from the literature, inter alia from the International Journal of Electron Beam & Gamma Radiation Processing, in particular 1/89 pages 1 -15; Optik, 77 (1987), pages 99-104.
  • ⁇ -emitters e.g. strontium-90.
  • the ⁇ -emitters which can easily be produced using, in particular, cesium-137- or cobalt-60- isotopic sources, are also to be mentioned as ionising radiation which can be of advantageous technical use.
  • photoinitiators used according to this invention or of photoinitiators are carbonyl compounds, such as 2,3-hexanedione, diacetylacetophenone, benzoin and benzoin ether, such as dimethyl derivatives, ethyl derivatives and butyl derivatives, e.g. 2,2-diethoxyacetophe- none and 2,2-dimethoxyacetophenone, benzophenone or a benzophenone salt, and phenyl- (l-hydroxycyclohexyl)ketone or a ketone of formula
  • benzophenone in combination with a catalyst such as triethylamine, N,N N -dibenzylamine and dimethylaminoethanol and benzophenone plus Michler's ketone; acylphosphine oxides; nitrogen-containing compounds such as diazomethane, azo-bisisobutyronitrile, hydrazine, phenylhydrazine and also trimethylbenzylammonium chloride; and sulfur-containing compounds such as benzene suifonate, diphenyl disulfide and also tetramethylthiuram disulfide, as well as phophorus-containing compounds, such as phosphine oxides.
  • a catalyst such as triethylamine, N,N N -dibenzylamine and dimethylaminoethanol and benzophenone plus Michler's ketone
  • acylphosphine oxides such as diazomethane, azo-bisisobutyronitrile, hydrazin
  • the photoinitiator component in the applied dye components is 0.01-20%, preferably 0.1-5%, based on the total amount of the colourless polymerisable compounds used.
  • Suitable photoinitators may be water-soluble or water-insoluble. Particularly advantageous photoinitiators are also copolymerisable photoinitiators such as those mentioned, inter alia, in “Polymers Paint Colour Journal, ⁇ 80, p42 et seq. (1990)". It is also suitable to use cationic photoinitiators such as triarylsulfonium salts, diaryliodonium salts, diaryliron complexes or in general structures such as those described in "Chemistry & Technology of UV & EB Formulation for Coatings, Inks & Paints", Vol. 3, edited by SITA Technology Ltd., Gardiner House, Broomhill Road, London, 1991.
  • acylphosphine oxides such as (2,4,6 trimethylbenzoyl)(diphenyl) phosphine oxide, or photoinitiators of formula (1) or of formula
  • the UV radiation to be used has an emission from 200 and 450 nm, preferably from 210 and 400 nm.
  • the radiation is preferably produced artificially using high-, medium- or low-pressure mercury vapour lamps, halogen lamps, metal halide, xenone or tungsten lamps, carbon arc or fluorescent lamps, H - and D - lamps, superactinic fluorescent tubes and laser.
  • capillary high-pressure mercury lamps or high- or low-pressure mercury lamps It is advantageous to use capillary high-pressure mercury lamps or high- or low-pressure mercury lamps.
  • high- and medium-pressure mercury lamps which may be doped e.g. with iron halide or gallium halide. These lamps may also be excited via microwaves or may be pulsed to concentrate the radiation in peaks. It is also possible to work with pulsed xenone lamps if a higher component of longwave UV radiation is required.
  • the customary UV radiation sources are generally suitable, such as those described in "Chemistry & Technology of UV & EB Formulation for Coatings, Inks & Paints", Vol. 1 , edited by SITA Technology, Gardiner House, Broomhill Road, London, 1991.
  • the exact irradiation time of the prints depends on the luminosity of the UV source, the distance from the radiation source, the kind and amount of photoinitiator used and on the transmissivity of the formulation and the textile substrate to UV radiation.
  • Conventional irradiation times with UV radiation are from 1 second to 20 minutes, preferably from 5 seconds to 2 minutes.
  • the fixing can be terminated by interrupting the irradiation so that it can also be carried out discontinuously.
  • the irradiation can be carried out in an inert gas atmosphere, e.g. under nitrogen, to prevent inhibition by oxygen.
  • the oxygen-inhibition can also be effectively prevented by adding so-called "antiblocking agents", i.e. amines and, in particular, aminoacrylates.
  • Pigment dyes suitable for the novel process are inorganic pigments, such as carbon black, titanium dioxide or iron oxides, as well as organic pigments, in particular those of the phthalo- cyanine, anthraquinone, perinone, indigoid, thioindigoid, dioxazine, diketopyrrolopyrrole, iso- indolinone, perylene, azo, quinacridone and metal complex series, for example metal complexes of azo, azomethine or methine dyes, as well as classic azo dyes of the ⁇ -oxynaphthoic acid and acetoacetarylide series, or the metal salts of azo dyes.
  • inorganic pigments such as carbon black, titanium dioxide or iron oxides
  • organic pigments in particular those of the phthalo- cyanine, anthraquinone, perinone, indigoid, thioindigoid, dioxazine, dike
  • Preferred pigment dyes are those of formula
  • R is hydrogen, halogen, C 1 -C 4 alkyl, CrC ⁇ alkoxy, nitro or cyano,
  • R is hydrogen, halogen, nitro or cyano
  • R 2 is hydrogen, halogen or phenylaminocarboxy
  • R 3 is hydrogen or hydroxy
  • R 4 is hydrogen or a radical of formula , wherein R 5 is hydrogen
  • R 6 is hydrogen or halogen
  • R 7 is hydrogen, C C 4 a ⁇ k_f ⁇ or C,- C 4 alkoxy
  • R s and R 9 are each independently of the other C 1 -C 4 alkyl, and R 10 and R ⁇ are halogen,
  • R 12 is C ⁇ alkyl
  • R 13 is hydrogen, halogen, C 1 -C 4 alkyl, C ⁇ alkoxy, nitro or cyano,
  • R 14 is hydrogen, halogen, nitro or cyano
  • R 15 is hydrogen, halogen, C.-C 4 alkyl, C 1 -C 4 alkoxy, nitro or cyano, and
  • rings A' and B' being unsubstituted or mono- or polysubstituted by halogen.
  • the pigment dyes of formulae (5) to (9) are known or can be prepared by known methods.
  • Pigment dye binders suitable for the novel process are, for example, acryl homopolymers, such as poly(meth)acrylic acid, poly(meth)acrylate or poly(meth)acrylamide.
  • pigment dye binders suitable for the novel process are the mixed polymers (co- or ter- polymers) of (meth)acrylic acid, (meth)acrylates or (meth)acrylamide with suitable comono- mers, such as maleic, fumaric, itaconic, mesaconic, citraconic, vinylacetic, vinyloxyacetic, vi- nylpropionic, crotonic, aconitic, allylacetic, allyloxyacetic, ailvlmalonic, 2-acrylamido-2-methyl- propanesulfonic, glutaconic or allylsuccinic acid or with esters of these acids, N-vinylpyrroli- done, N-vinylformamide, N-vinylacetamide, (meth)acrolein, N-vinyl-N-methylacetamide, vinyl- caprolactam, styrene derivatives or vinylphosphonic acid.
  • suitable comono- mers such as maleic, fuma
  • Suitable comonomers are, in particular, the esters of the above acids with CrC-ealcohols, such as methyl alcohol, ethyl alcohol, isopropyl alcohol or butyl alcohol.
  • Other pigment dye binders suitable for the novel process are, for example, polyamide derivatives, latices, mixed polymers based on vinyl, diamide-aldehyde precondensates, mixed polymers containing N-vinyllactam, or polymers based on butadiene.
  • Pigment dye binders preferably used in the novel process are poly(meth)acrylic acid, poly- (meth)acrylate and poly(meth)acrylamide.
  • the pigment dyes are conveniently used in disperse form in the dye liquors or printing pastes.
  • the dyes are advantageously ground with the dispersant such as to give a dye particle size of 0.05 - 0.5 ⁇ m.
  • the customary dispersants preferably nonionic dispersants.
  • Suitable nonionic dispersants are, in particular, compounds selected from the group consisting of the (ca) alkylene oxide adducts of formula
  • Y is C-C ⁇ alkyl, aryl or aralkyl
  • alkylene denotes the ethylene radical or propylene radical, m, is 1 to 4, and n, is 4 to 50,
  • Very suitable component (ca) are polyadducts of 4 to 40 mol ethylene oxide with 1 mol of a phenol which contains at least one C 4 -C 12 alkyl group, one phenyl group, one tolyl group, one a-tolylethyl group, one benzyl group, one a-methylbenzyl group or one a,a-dimethylbenzyl group, for example butylphenol, tributylphenol, octylphenol, nonylphenol, dinonylphenol, o- phenyiphenol, benzylphenol, dibenzylphenol, a-tolylethylphenol, dibenzyl-(nonyl)phenol, a- methylbenzylphenol, bis(a-methylbenzyl)phenol or tris(a-methylbenzyl)phenol, which adducts can be used singly or in admixture.
  • a phenol which contains at least one C 4 -C 12 alkyl group, one
  • Particularly interesting adducts suitable for use as component (ca) are adducts of 6 to 30 mol of ethylene oxide with 1 mol of 4-nonylphenol, with 1 mol of dinonylphenol or, preferably, with 1 mol of compounds which are prepared by addition of 1 to 3 mol of styrenes to 1 mol with phenols.
  • the styrene addition products are prepared in known manner, preferably in the presence of catalysts such as sulfuric acid, p-toluenesulfonic acid or, preferably, of zinc chloride.
  • catalysts such as sulfuric acid, p-toluenesulfonic acid or, preferably, of zinc chloride.
  • Suitable styrenes are usefully styrene, a-methylstyrene or vinyltoluene (4-methylstyrene).
  • the phenols are typically phenol, cresols or xylenois.
  • Very particularly preferred adducts are ethylene oxide adducts of formula (21)
  • n 3 is 8 to 30.
  • ethylene oxide adducts are those of formula wherein Y 2 is C 4 -C 12 alkyl, phenyl, tolyl, tolyl-C Caalkyl or phenyl-CrCaalkyl, for example a-methylbenzyl or a,a-dimethylbenzyl, m 2 is 1 to 3, and n 2 is 4 to 40.
  • the nonionic component (cb) is preferably
  • alkylene oxide addition product of 1 to 100 mol of alkylene oxide, such as ethylene oxide and/or propylene oxide, with 1 mol of an aliphatic monoalcohol containing at least 4 carbon atoms, of a 3- to 6-valent aliphatic alcohol or of a phenol which may be substituted by alkyl, phenyl, a-tolylethyl, benzyl, a-methylbenzyl or a,a-dimethylbenzyl (cba);
  • alkylene oxide addition product of 1 to 100 mol, preferably of 2 to 80 mol, of ethylene oxide with higher unsaturated or saturated monoalcohols (cba), fatty acids (ebb), fatty amines (cbc) or fatty amides (cbd) containing 8 to 22 carbon atoms, individual ethylene oxide units of which addition products may be replaced with substituted epoxides such as styrene oxide and/or propylene oxide;
  • alkylene oxide addition product preferably an ethylene oxide/propylene oxide adduct, with ethylene diamine (cbe);
  • an ethoxylated sorbitan ester containing long-chain ester groups such as polyoxyethylene sorbitan monolaurate containing 4 to 20 ethylene oxide units, or polyoxyethylene sorbitan trioleate containing 4 to 20 ethylene oxide units (cbf).
  • Preferred components (cc) are ethylene oxide/polypropylene oxide adducts (so-called EO- PO block polymers) and propylene oxide/polyethylene oxide adducts (so-called reversed EO-PO block polymers).
  • Particularly preferred ethylene oxide/propylene oxide block polymers are those having molecular weights, based on polypropylene oxide, of 1700 to 4000, and containing 30-80%, preferably 60-80%, of ethylene oxide in the entire molecule.
  • the novel dye formulations can by applied to the fibre material in different manner, in particular in the form of aqueous dye baths and printing pastes. They are particularly suitable for dyeing by the pad-dyeing process and for printing.
  • the amounts of pigment dyes used in the dye baths or printing pastes may vary depending on the desired tinctorial strength. In general, advantageous amounts have been found to be in the range from 0.01 to 15 % by weight, preferably from 0.1 to 10 % by weight, based on the weight of the goods to be dyed, or from 0.05 to 200 g, preferably from 1.0 to 100 g, of the pigment dyes per kg of printing paste.
  • novel dye formulations are preferably used in the form of a printing paste.
  • This printing paste typically comprises 1 to 400 g, preferably 50 to 250 g, of the pigment dye binder per kg of printing paste.
  • the printing paste advantageously also comprises thickeners of synthetic origin, e.g. those based on poly(meth)acrylic acids, poly(meth)acryiamides, and the co- or terpolymers thereof.
  • thickeners based on the potassium or sodium salts of poly(meth)acrylic acids as their use advantageously makes it possible to partially or completely forego the addition of ammonia or ammonium salts.
  • the printing paste can also comprise other auxiliaries customarily used for pigment printing, for example usefully crosslinkers.
  • Suitable crosslinkers are, for example, water-soluble melamine resins, formaldehyde/mela- mine resins and formaldehyde/urea resins or precondensates, such as trimethylolmelamine, hexamethylolmelamine or dimethylol urea, or water-soluble formaldehyde (pre)condensates with formamide, thiourea, guanidine, cyanamide, dicyandiamide and/or water-soluble organic sulfonates, such as the sodium salt of naphthalenesulfonic acid, or glyoxalurea derivatives, such as the compound of formula and, in particular, N-methylol derivatives of nitrogen-containing compounds, such as optionally etherified melamine/formaldehyde condensates or N-methylol urea compounds.
  • water-soluble melamine resins formaldehyde/mela- mine resins and formaldehyde/urea resins or preconden
  • Typical examples of the optionally etherified melamine/formaldehyde condensates are the compounds of formula
  • the optionally etherified N-methylol urea compounds are typically reaction products of formaldehyde with urea or urea derivatives which may be subsequently etherified, suitable urea derivatives typically being cyclic ethylene urea or propylene urea, which may also contain substituents such as hydroxyl groups in the alkylene group, urones or unsubstituted or substituted triazone resins.
  • N-methylol urea compounds are N-methylolhydroxy- ethylene urea products which may be modified, e.g. the compounds of formula
  • Preferred crosslinkers are optionally modified N-methylolhydroxyethylene urea compounds, methylolation products based on propylene urea or ethylene urea/melamine and, in particular, optionally etherified melamine/formaldehyde condensates. It is also possible to use mixtures of two or more than two water-soluble crosslinkers, for example a mixture consisting of an unetherified and of an only partially etherified melamine/formaldehyde condensate.
  • the printing paste can also comprise acid donors, such as butyrolactone or sodium hydrogen phosphate, preservatives, sequestrants, emulsifiers, water-insoluble solvents, oxidants or deaerators.
  • Suitable preservatives are, in particular, formaldehyde-donating agents, such as paraformal- dehyde and trioxane, preferably aqueous solutions of about 30 to 40 % by weight of formaldehyde;
  • suitable sequestrants are, for example, nitrilotriacetic sodium, ethylenediaminetetra- acetic sodium, preferably sodium polymethaphosphate, in particular sodium hexamethaphos- phate;
  • suitable emulsifiers are, in particular, adducts consisting of an alkylene oxide and a fatty alcohol, preferably of an adduct consisting of oleyl alcohol and ethylene oxide;
  • suitable water-insoluble solvents are high-boiling saturated hydrocarbons, preferably paraffins having a boiling range of about 160 to 210° C (so-called white spirits);
  • suitable oxidants are e.g.
  • an aromatic nitro compound preferably an aromatic mono- or dinitrocarboxylic or mono- or dini- trosulfonic acid which may be present as alkylene oxide adduct.
  • suitable deaerators are e.g. high-boiling solvents, preferably turpentine oils, higher alcohols, preferably C 8 - to C 10 alcohols, terpene alcohols or deaerators based on mineral oils and/or silicone oils, in particular commercial formulations consisting of about 15 to 25 % by weight of a mineral oil/silicone oil mixture and of about 75 to 85 % by weight of a C 8 alcohol such as 2-ethyl-n-hexanol.
  • the printing paste is applied directly to the fibre material on the entire surface or only in some places, conveniently using printing machines of conventional make, such as rotogravure, rotary screen printing, roller printing and flat screen printing machines. Printing can also be carried out by the ink jet printing technique.
  • the fibre material is advantageously dried, preferably in the temperature range from 80° to 120°C.
  • the printing paste used according to this invention can be applied to different fibre materials, such as wool, silk, cellulose, polyvinyl, polyacrylonitrile, polyamide, aramide, polypropylene, polyester or polyurethane.
  • Cellulosic fibre materials are preferred.
  • Suitable cellulosic fibre materials are those which consist entirely or partially of cellulose. Typical examples are natural fibre materials, such as cotton, linen or hemp, regenerated fibre materials, such as viscose, polynosic or cuprammonium rayon. Also suitable are cellulosic blended fibre materials, i.e. mixtures of cellulose and other fibres, in particular cotton/polyester fibre materials. Wovens, knits or webs of these fibres are mainly used.
  • the novel process is carried out, for example, in such a manner that the textile material printed and dried according to this invention is passed through the beam of an electron accelerator at temperatures from 60 to 100° C. This is done at such a speed as to reach a certain ra ⁇ diation dosage.
  • the radiation dosages normally to be used are from 0.1 to 15 Mrad at an accelerator voltage from 160 to 300 kV, the radiation dosage advantageously being from 0.1 to 4 Mrad. At a dosage of less than 0.1 Mrad, the degree of fixing is generally too low and at a dosage of more than 15 Mrad the fibre material and the dye are often damaged.
  • the novel process gives prints having good allround fastness properties, e.g. good fastness to water and light.
  • the special embodiment of this invention depends especially on the kind of ionising radiation to be used and its manner of production. If, for example, the printed fibre material is to be irradiated with ⁇ -rays, then the material is exposed to the radiation enclosed in a cell. If higher radiation dosages are desired at lower radiation intensity, then the material to be irradiated can be exposed to the radiation in several passages.
  • a preferred embodiment of this invention is that, wherein the printing as well as the fixing of the fibre material with the pigment dyes are carried out continuously.
  • the prints obtainable by the novel process on cellulosic fibre material have good allround fastness properties; they have, for example, good fastness to light, wetting, such as to washing, water, seawater, cross-dyeing and perspiration, good fastness to chlorine, rubbing, ironing and pleating and are distinguished in particular by high tinctorial strength and a brilliant shade.
  • the radiation dosages are given in conventional manner in Mrad (megarad), 1 rad corresponding to an absorption of 10 "2 J/kg (joule/kg).
  • the UV irradiation is carried out using a 120 watt/cm medium-pressure mercury lamp at transport speeds of 10 m/min.
  • the fabric referred to in the following Examples is printed on one side and is irradiated under an inert gas atmosphere.
  • Parts and percentages are by weight and temperatures are given in degrees Celsius. The relationship between parts by weight and parts by volume is the same as that between the gramme and the cubic centimetre.
  • a cotton fabric is printed with a printing paste containing per 1 kg of printing paste
  • a red pigment print is obtained having good fastness to wetting and light.
  • Example 1 The procedure of Example 1 is repeated, but the dried print, which is temporarily stored cold, is heated in an infrared predrier to 100° C before irradiation. The subsequent irradiation also gives a red pigment print having good fastness to wetting and light.
  • a cotton fabric is printed with a printing paste containing per 1 kg of printing paste
  • a red pigment print is obtained having good fastness to wetting and light.
  • a cotton fabric is printed with a printing paste containing per 1 kg of printing paste
  • a blue pigment print is obtained having good fastness to wetting and light.
  • Example 4 The general procedure of Example 4 is repeated, but the dried print, which is temporarily stored cold, is heated in an infrared predrier to 100° C before irradiation. The subsequent irradiation also gives a blue pigment print having good fastness to wetting and light.
  • a cotton fabric is printed with a printing paste containing per 1 kg of printing paste
  • a blue pigment print is obtained having good fastness to wetting and light.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Coloring (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

A process is described for printing or dyeing fibre material with pigment dyes, which comprises applying to the fibre material a dye formulation comprising at least one pigment dye and at least one pigment dye binder as well as optional further auxiliaries and then fixing it with ionising radiation, or applying to the fibre material a dye formulation comprising at least one pigment dye, at least one pigment dye binder and at least one photoinitiator as well as optional further auxiliaries and then fixing it with UVradiation.

Description

Process for fixing pigment prints and pigment dyeings with ionising radiation or UV radiation.
The present invention relates to a process for fixing pigment prints and pigment dyeings on fibre material with ionising radiation or by irradiation with UV radiation in the presence of photoinitiators.
Printing or dyeing fibre materials with pigment dyes by the so-called pigment printing or pigment dyeing process is one of the oldest known processes for the production of coloured textile goods. Nevertheless, the current printing and dyeing processes do not yet meet all the requirements made on them today, especially not regarding environmental impact and energy consumption.
Surprisingly, it has now been found that by the inventive process described hereinafter it is possible to achieve significant energy saving and thus to contribute to the required improvement of the pigment printing or pigment dyeing process.
Accordingly, this invention relates to a process for printing or dyeing fibre material with pigment dyes, which comprises applying to the fibre material a dye formulation comprising at least one pigment dye and at least one pigment dye binder as well as optional further auxiliaries and then fixing it with ionising radiation, or applying to the fibre material a dye formulation comprising at least one pigment dye, at least one pigment dye binder and at least one photoinitiator as well as optional further auxiliaries and then fixing it with UV radiation.
One advantage of the novel processs is that it dispenses with the energy-consuming heat setting required in the conventional pigment printing and pigment dyeing processes.
The fixing process consists in briefly irradiating the fibre material to be printed or dyed, e.g. textile fibre material, with ionising radiation or with UV radiation in the presence of at least one photoinitiator after printing or dyeing in the moist or dry state.
The printed or dyed fibre material is advantageously irradiated and fixed at elevated temperatures, for example from 40 to 120° C, preferably from 60 to 100° C. The irradiation can be carried out either immediately after the drying process or the cold printed fibre material may be heated to the desired temperature before irradiation, using e.g. an infrared heater. lonising radiation is to be understood as being radiation which can be detected in an ionisa- tion chamber. It consists either of electrically charged and directly ionising particles which produce ions by impact in gases along their path, or of uncharged and indirectly ionising particles or photons which produce directly ionising charged secondary particles in matter, such as secondary electrons of X- or γ-rays or the recoil nuclei (in particular protons) of high-speed neutrons; other indirectly ionising particles are slow neutrons which can produce energy-rich charged particles by nuclear reactions in part directly and in part via photons from (β,γ)-pro- cesses. Suitable heavy charged particles are protons, atom nuclei or ionised atoms. Light charged particles, e.g. electrons, are particularly important for the process of this invention. Suitable X-rays are bremsstrahlung and also characteristic radiation. α-Radiation is to be mentioned as important particle radiation of heavy charged particles.
The ionising radiation can be produced by one of the customary methods. Thus it is possible to use, for example, spontaneous nuclear transformations and also nuclear reactions (forced nuclear transformations) for the production of ionising radiation. Correspondingly, suitable radiation sources are natural or synthetic radioactive substances and, especially, atom reactors. The radioactive fission products obtained from nuclear fission are another important radiation source.
Another suitable radiation-producing method is that using an X-ray tube.
Particularly important rays are those consisting of particles which are accelerated in electric fields. Suitable radiation sources in this connection are thermo, electron impact, low-voltage arc, cold cathode and high frequency ion sources.
Electron beams are particularly important for the process of this invention. These are pro¬ duced by accelerating and concentrating electrons which are emitted via thermionic, field or photo emission and also via electron or ion bombardment from a cathode. Radiation sources are electron guns and accelerators of conventional make. Examples of radiation sources are known from the literature, inter alia from the International Journal of Electron Beam & Gamma Radiation Processing, in particular 1/89 pages 1 -15; Optik, 77 (1987), pages 99-104.
Other radiation sources for electron beams are β-emitters, e.g. strontium-90. The γ-emitters, which can easily be produced using, in particular, cesium-137- or cobalt-60- isotopic sources, are also to be mentioned as ionising radiation which can be of advantageous technical use.
The use of ultraviolet radiation requires the presence of a photoinitiator. The photoinitiator absorbs the radiation to produce free radicals which initiate the polymerisation. Typical examples of photoinitiators used according to this invention or of photoinitiators are carbonyl compounds, such as 2,3-hexanedione, diacetylacetophenone, benzoin and benzoin ether, such as dimethyl derivatives, ethyl derivatives and butyl derivatives, e.g. 2,2-diethoxyacetophe- none and 2,2-dimethoxyacetophenone, benzophenone or a benzophenone salt, and phenyl- (l-hydroxycyclohexyl)ketone or a ketone of formula
benzophenone in combination with a catalyst such as triethylamine, N,NN-dibenzylamine and dimethylaminoethanol and benzophenone plus Michler's ketone; acylphosphine oxides; nitrogen-containing compounds such as diazomethane, azo-bisisobutyronitrile, hydrazine, phenylhydrazine and also trimethylbenzylammonium chloride; and sulfur-containing compounds such as benzene suifonate, diphenyl disulfide and also tetramethylthiuram disulfide, as well as phophorus-containing compounds, such as phosphine oxides. Such photoinitiators are used by themselves or in combination with each other.
Directly before irradiation, the photoinitiator component in the applied dye components is 0.01-20%, preferably 0.1-5%, based on the total amount of the colourless polymerisable compounds used.
Suitable photoinitators may be water-soluble or water-insoluble. Particularly advantageous photoinitiators are also copolymerisable photoinitiators such as those mentioned, inter alia, in "Polymers Paint Colour Journal, ^80, p42 et seq. (1990)". It is also suitable to use cationic photoinitiators such as triarylsulfonium salts, diaryliodonium salts, diaryliron complexes or in general structures such as those described in "Chemistry & Technology of UV & EB Formulation for Coatings, Inks & Paints", Vol. 3, edited by SITA Technology Ltd., Gardiner House, Broomhill Road, London, 1991.
It is preferred to use acylphosphine oxides, such as (2,4,6 trimethylbenzoyl)(diphenyl) phosphine oxide, or photoinitiators of formula (1) or of formula
or a photoinitiator of formula
together with a photoinitiator of formula (1) or (2) or with a photoinitiator of formula
en., • CH2 OH
^e'(4) CH2 - CH2 OH
or benzophenone together with a photoinitiator of formula (1) or (2) or (3). The use of a photoinitiator of formula (1 ) is particularly preferred.
It is very particularly preferred to use the following photoinitiators in the process of this invention: and also the mixture of the compounds of formulae
(1 e) and (if) at a weight ratio of 50:50 to 10:90, as well as the mixture of the compound of formula (1f) and 2,4,6-tri- methylbenzoyldiphenyl phosphine at a weight ratio of 20:80 to 60:40.
The UV radiation to be used has an emission from 200 and 450 nm, preferably from 210 and 400 nm. The radiation is preferably produced artificially using high-, medium- or low-pressure mercury vapour lamps, halogen lamps, metal halide, xenone or tungsten lamps, carbon arc or fluorescent lamps, H - and D - lamps, superactinic fluorescent tubes and laser.
It is advantageous to use capillary high-pressure mercury lamps or high- or low-pressure mercury lamps.
It is very particularly advantageous to use high- and medium-pressure mercury lamps which may be doped e.g. with iron halide or gallium halide. These lamps may also be excited via microwaves or may be pulsed to concentrate the radiation in peaks. It is also possible to work with pulsed xenone lamps if a higher component of longwave UV radiation is required. The customary UV radiation sources are generally suitable, such as those described in "Chemistry & Technology of UV & EB Formulation for Coatings, Inks & Paints", Vol. 1 , edited by SITA Technology, Gardiner House, Broomhill Road, London, 1991.
The exact irradiation time of the prints depends on the luminosity of the UV source, the distance from the radiation source, the kind and amount of photoinitiator used and on the transmissivity of the formulation and the textile substrate to UV radiation.
Conventional irradiation times with UV radiation are from 1 second to 20 minutes, preferably from 5 seconds to 2 minutes. The fixing can be terminated by interrupting the irradiation so that it can also be carried out discontinuously.
The irradiation can be carried out in an inert gas atmosphere, e.g. under nitrogen, to prevent inhibition by oxygen. The oxygen-inhibition can also be effectively prevented by adding so- called "antiblocking agents", i.e. amines and, in particular, aminoacrylates.
Pigment dyes suitable for the novel process are inorganic pigments, such as carbon black, titanium dioxide or iron oxides, as well as organic pigments, in particular those of the phthalo- cyanine, anthraquinone, perinone, indigoid, thioindigoid, dioxazine, diketopyrrolopyrrole, iso- indolinone, perylene, azo, quinacridone and metal complex series, for example metal complexes of azo, azomethine or methine dyes, as well as classic azo dyes of the β-oxynaphthoic acid and acetoacetarylide series, or the metal salts of azo dyes. It is also possible to use mixtures of different organic pigments or mixtures of one or several inorganic pigments with one or several organic pigments. Illustrative examples of such pigment dyes are listed in Colour Index, 3rd edition (3rd Revision 1987 inclusive Additions and Amendments up to No. 85) under "pigments".
Preferred pigment dyes are those of formula
wherein
R is hydrogen, halogen, C1-C4alkyl, CrC^alkoxy, nitro or cyano,
R, is hydrogen, halogen, nitro or cyano,
R2 is hydrogen, halogen or phenylaminocarboxy,
R3 is hydrogen or hydroxy,
R4 is hydrogen or a radical of formula , wherein R5 is hydrogen,
C1-C4alkyl or C1-C4alkoxy, R6 is hydrogen or halogen, and R7 is hydrogen, C C4a\k_f\ or C,- C4alkoxy,
wherein
Rs and R9 are each independently of the other C1-C4alkyl, and R10and R^ are halogen,
the rings A, B, D and E being unsubstituted or mono- or polysubstituted by halogen, wherein
R12 is C^alkyl,
R13 is hydrogen, halogen, C1-C4alkyl, C^alkoxy, nitro or cyano,
R14 is hydrogen, halogen, nitro or cyano,
R15 is hydrogen, halogen, C.-C4alkyl, C1-C4alkoxy, nitro or cyano, and
the rings A' and B' being unsubstituted or mono- or polysubstituted by halogen.
The pigment dyes of formulae (5) to (9) are known or can be prepared by known methods.
Pigment dye binders suitable for the novel process are, for example, acryl homopolymers, such as poly(meth)acrylic acid, poly(meth)acrylate or poly(meth)acrylamide.
Other pigment dye binders suitable for the novel process are the mixed polymers (co- or ter- polymers) of (meth)acrylic acid, (meth)acrylates or (meth)acrylamide with suitable comono- mers, such as maleic, fumaric, itaconic, mesaconic, citraconic, vinylacetic, vinyloxyacetic, vi- nylpropionic, crotonic, aconitic, allylacetic, allyloxyacetic, ailvlmalonic, 2-acrylamido-2-methyl- propanesulfonic, glutaconic or allylsuccinic acid or with esters of these acids, N-vinylpyrroli- done, N-vinylformamide, N-vinylacetamide, (meth)acrolein, N-vinyl-N-methylacetamide, vinyl- caprolactam, styrene derivatives or vinylphosphonic acid.
Suitable comonomers are, in particular, the esters of the above acids with CrC-ealcohols, such as methyl alcohol, ethyl alcohol, isopropyl alcohol or butyl alcohol. Other pigment dye binders suitable for the novel process are, for example, polyamide derivatives, latices, mixed polymers based on vinyl, diamide-aldehyde precondensates, mixed polymers containing N-vinyllactam, or polymers based on butadiene.
Pigment dye binders preferably used in the novel process are poly(meth)acrylic acid, poly- (meth)acrylate and poly(meth)acrylamide.
The pigment dyes are conveniently used in disperse form in the dye liquors or printing pastes.
In this process the dyes are advantageously ground with the dispersant such as to give a dye particle size of 0.05 - 0.5 μm.
For the preparation of the dye dispersions it is preferred to use the customary dispersants, preferably nonionic dispersants.
Suitable nonionic dispersants are, in particular, compounds selected from the group consisting of the (ca) alkylene oxide adducts of formula
wherein Y, is C-C^alkyl, aryl or aralkyl,
"alkylene" denotes the ethylene radical or propylene radical, m, is 1 to 4, and n, is 4 to 50,
(cb) alkylene oxide adducts with
(cba) saturated or unsaturated 1-6-valent aliphatic alcohols, (ebb) fatty acids,
(cbc) fatty amines,
(cbd) fatty amides,
(cbe) diamines,
(cbf) sorbitan esters,
(cc) alkylene oxide condensates (block polymers) (cd) polymers of vinylpyrrolidone, vinyl acetate or vinyl alcohol and
(ce) co- or terpolymers of vinylpyrrolidone with vinyl acetate and/or vinyl alcohol.
Very suitable component (ca) are polyadducts of 4 to 40 mol ethylene oxide with 1 mol of a phenol which contains at least one C4-C12alkyl group, one phenyl group, one tolyl group, one a-tolylethyl group, one benzyl group, one a-methylbenzyl group or one a,a-dimethylbenzyl group, for example butylphenol, tributylphenol, octylphenol, nonylphenol, dinonylphenol, o- phenyiphenol, benzylphenol, dibenzylphenol, a-tolylethylphenol, dibenzyl-(nonyl)phenol, a- methylbenzylphenol, bis(a-methylbenzyl)phenol or tris(a-methylbenzyl)phenol, which adducts can be used singly or in admixture.
Particularly interesting adducts suitable for use as component (ca) are adducts of 6 to 30 mol of ethylene oxide with 1 mol of 4-nonylphenol, with 1 mol of dinonylphenol or, preferably, with 1 mol of compounds which are prepared by addition of 1 to 3 mol of styrenes to 1 mol with phenols.
The styrene addition products are prepared in known manner, preferably in the presence of catalysts such as sulfuric acid, p-toluenesulfonic acid or, preferably, of zinc chloride. Suitable styrenes are usefully styrene, a-methylstyrene or vinyltoluene (4-methylstyrene). The phenols are typically phenol, cresols or xylenois.
Very particularly preferred adducts are ethylene oxide adducts of formula (21)
wherein m, is 1 to 3, and n3 is 8 to 30.
Other preferred ethylene oxide adducts are those of formula wherein Y2 is C4-C12alkyl, phenyl, tolyl, tolyl-C Caalkyl or phenyl-CrCaalkyl, for example a-methylbenzyl or a,a-dimethylbenzyl, m2 is 1 to 3, and n2 is 4 to 40.
The nonionic component (cb) is preferably
- an alkylene oxide addition product of 1 to 100 mol of alkylene oxide, such as ethylene oxide and/or propylene oxide, with 1 mol of an aliphatic monoalcohol containing at least 4 carbon atoms, of a 3- to 6-valent aliphatic alcohol or of a phenol which may be substituted by alkyl, phenyl, a-tolylethyl, benzyl, a-methylbenzyl or a,a-dimethylbenzyl (cba);
- an alkylene oxide addition product of 1 to 100 mol, preferably of 2 to 80 mol, of ethylene oxide with higher unsaturated or saturated monoalcohols (cba), fatty acids (ebb), fatty amines (cbc) or fatty amides (cbd) containing 8 to 22 carbon atoms, individual ethylene oxide units of which addition products may be replaced with substituted epoxides such as styrene oxide and/or propylene oxide;
- an alkylene oxide addition product, preferably an ethylene oxide/propylene oxide adduct, with ethylene diamine (cbe);
- an ethoxylated sorbitan ester containing long-chain ester groups, such as polyoxyethylene sorbitan monolaurate containing 4 to 20 ethylene oxide units, or polyoxyethylene sorbitan trioleate containing 4 to 20 ethylene oxide units (cbf).
Preferred components (cc) are ethylene oxide/polypropylene oxide adducts (so-called EO- PO block polymers) and propylene oxide/polyethylene oxide adducts (so-called reversed EO-PO block polymers).
Particularly preferred ethylene oxide/propylene oxide block polymers are those having molecular weights, based on polypropylene oxide, of 1700 to 4000, and containing 30-80%, preferably 60-80%, of ethylene oxide in the entire molecule. The novel dye formulations can by applied to the fibre material in different manner, in particular in the form of aqueous dye baths and printing pastes. They are particularly suitable for dyeing by the pad-dyeing process and for printing.
The amounts of pigment dyes used in the dye baths or printing pastes may vary depending on the desired tinctorial strength. In general, advantageous amounts have been found to be in the range from 0.01 to 15 % by weight, preferably from 0.1 to 10 % by weight, based on the weight of the goods to be dyed, or from 0.05 to 200 g, preferably from 1.0 to 100 g, of the pigment dyes per kg of printing paste.
The novel dye formulations are preferably used in the form of a printing paste.
This printing paste typically comprises 1 to 400 g, preferably 50 to 250 g, of the pigment dye binder per kg of printing paste.
In addition to the pigment dye and pigment dye binder, the printing paste advantageously also comprises thickeners of synthetic origin, e.g. those based on poly(meth)acrylic acids, poly(meth)acryiamides, and the co- or terpolymers thereof.
It is preferred to use thickeners based on the potassium or sodium salts of poly(meth)acrylic acids as their use advantageously makes it possible to partially or completely forego the addition of ammonia or ammonium salts.
The printing paste can also comprise other auxiliaries customarily used for pigment printing, for example usefully crosslinkers.
Suitable crosslinkers are, for example, water-soluble melamine resins, formaldehyde/mela- mine resins and formaldehyde/urea resins or precondensates, such as trimethylolmelamine, hexamethylolmelamine or dimethylol urea, or water-soluble formaldehyde (pre)condensates with formamide, thiourea, guanidine, cyanamide, dicyandiamide and/or water-soluble organic sulfonates, such as the sodium salt of naphthalenesulfonic acid, or glyoxalurea derivatives, such as the compound of formula and, in particular, N-methylol derivatives of nitrogen-containing compounds, such as optionally etherified melamine/formaldehyde condensates or N-methylol urea compounds.
Typical examples of the optionally etherified melamine/formaldehyde condensates are the compounds of formula
The optionally etherified N-methylol urea compounds are typically reaction products of formaldehyde with urea or urea derivatives which may be subsequently etherified, suitable urea derivatives typically being cyclic ethylene urea or propylene urea, which may also contain substituents such as hydroxyl groups in the alkylene group, urones or unsubstituted or substituted triazone resins.
Typical examples of the corresponding N-methylol urea compounds are N-methylolhydroxy- ethylene urea products which may be modified, e.g. the compounds of formula
CH,
I
H3COH2C - NHCO - N - CH2- C - CH(OH) - NHCONH - CH2OCH3 , or methylolation products CH2OH CH3
based on propylene urea or ethylene urea/melamine.
Preferred crosslinkers are optionally modified N-methylolhydroxyethylene urea compounds, methylolation products based on propylene urea or ethylene urea/melamine and, in particular, optionally etherified melamine/formaldehyde condensates. It is also possible to use mixtures of two or more than two water-soluble crosslinkers, for example a mixture consisting of an unetherified and of an only partially etherified melamine/formaldehyde condensate. If desired, the printing paste can also comprise acid donors, such as butyrolactone or sodium hydrogen phosphate, preservatives, sequestrants, emulsifiers, water-insoluble solvents, oxidants or deaerators.
Suitable preservatives are, in particular, formaldehyde-donating agents, such as paraformal- dehyde and trioxane, preferably aqueous solutions of about 30 to 40 % by weight of formaldehyde; suitable sequestrants are, for example, nitrilotriacetic sodium, ethylenediaminetetra- acetic sodium, preferably sodium polymethaphosphate, in particular sodium hexamethaphos- phate; suitable emulsifiers are, in particular, adducts consisting of an alkylene oxide and a fatty alcohol, preferably of an adduct consisting of oleyl alcohol and ethylene oxide; suitable water-insoluble solvents are high-boiling saturated hydrocarbons, preferably paraffins having a boiling range of about 160 to 210° C (so-called white spirits); suitable oxidants are e.g. an aromatic nitro compound, preferably an aromatic mono- or dinitrocarboxylic or mono- or dini- trosulfonic acid which may be present as alkylene oxide adduct. in particular a nitrobenzene- sulfonic acid, and suitable deaerators are e.g. high-boiling solvents, preferably turpentine oils, higher alcohols, preferably C8- to C10alcohols, terpene alcohols or deaerators based on mineral oils and/or silicone oils, in particular commercial formulations consisting of about 15 to 25 % by weight of a mineral oil/silicone oil mixture and of about 75 to 85 % by weight of a C8alcohol such as 2-ethyl-n-hexanol.
For printing fibre materials, the printing paste is applied directly to the fibre material on the entire surface or only in some places, conveniently using printing machines of conventional make, such as rotogravure, rotary screen printing, roller printing and flat screen printing machines. Printing can also be carried out by the ink jet printing technique.
After printing, the fibre material is advantageously dried, preferably in the temperature range from 80° to 120°C.
The printing paste used according to this invention can be applied to different fibre materials, such as wool, silk, cellulose, polyvinyl, polyacrylonitrile, polyamide, aramide, polypropylene, polyester or polyurethane.
Cellulosic fibre materials are preferred.
Suitable cellulosic fibre materials are those which consist entirely or partially of cellulose. Typical examples are natural fibre materials, such as cotton, linen or hemp, regenerated fibre materials, such as viscose, polynosic or cuprammonium rayon. Also suitable are cellulosic blended fibre materials, i.e. mixtures of cellulose and other fibres, in particular cotton/polyester fibre materials. Wovens, knits or webs of these fibres are mainly used.
The novel process is carried out, for example, in such a manner that the textile material printed and dried according to this invention is passed through the beam of an electron accelerator at temperatures from 60 to 100° C. This is done at such a speed as to reach a certain ra¬ diation dosage. The radiation dosages normally to be used are from 0.1 to 15 Mrad at an accelerator voltage from 160 to 300 kV, the radiation dosage advantageously being from 0.1 to 4 Mrad. At a dosage of less than 0.1 Mrad, the degree of fixing is generally too low and at a dosage of more than 15 Mrad the fibre material and the dye are often damaged. The novel process gives prints having good allround fastness properties, e.g. good fastness to water and light.
When carrying out the novel process, the respective technical preconditions must of course be considered. The special embodiment of this invention depends especially on the kind of ionising radiation to be used and its manner of production. If, for example, the printed fibre material is to be irradiated with γ-rays, then the material is exposed to the radiation enclosed in a cell. If higher radiation dosages are desired at lower radiation intensity, then the material to be irradiated can be exposed to the radiation in several passages. A preferred embodiment of this invention is that, wherein the printing as well as the fixing of the fibre material with the pigment dyes are carried out continuously.
The prints obtainable by the novel process on cellulosic fibre material have good allround fastness properties; they have, for example, good fastness to light, wetting, such as to washing, water, seawater, cross-dyeing and perspiration, good fastness to chlorine, rubbing, ironing and pleating and are distinguished in particular by high tinctorial strength and a brilliant shade.
In the following Working Examples, the radiation dosages are given in conventional manner in Mrad (megarad), 1 rad corresponding to an absorption of 10"2 J/kg (joule/kg).
The UV irradiation is carried out using a 120 watt/cm medium-pressure mercury lamp at transport speeds of 10 m/min.
The fabric referred to in the following Examples is printed on one side and is irradiated under an inert gas atmosphere.
Parts and percentages are by weight and temperatures are given in degrees Celsius. The relationship between parts by weight and parts by volume is the same as that between the gramme and the cubic centimetre.
-Example 1 :
A cotton fabric is printed with a printing paste containing per 1 kg of printing paste
20 g of a commercial pigment formulation of the pigment dye of formula
120 g of a commercial acrylate binder (®Alcoprint PBA),
13 g of a commercial synthetic thickener (®Alcoprint PTF),
5 g of a 30% aqueous ammonia solution, and
3 g of a commercial deaerator, and is then dried at 120° C for 90 seconds. It is then immediately irradiated with a dosage of
3 Mrad using an electron gun at an accelerator voltage of 180 kV.
A red pigment print is obtained having good fastness to wetting and light.
EΞxample 2:
The procedure of Example 1 is repeated, but the dried print, which is temporarily stored cold, is heated in an infrared predrier to 100° C before irradiation. The subsequent irradiation also gives a red pigment print having good fastness to wetting and light.
Example 3:
A cotton fabric is printed with a printing paste containing per 1 kg of printing paste
20 g of a commercial pigment formulation of the pigment of formula (13)
120 g of a commercial acrylate binder (®Alcoprint PBA),
100 g of the photoinitiator of formula (1),
13 g of a commercial synthetic thickener (®Alcoprint PTF),
5 g of a 30% aqueous ammonia solution, and
3 g of a commercial deaerator. and is then dried at 120° C for 90 seconds. It is then passed immediately at a speed of
10 m/min under a high-pressure mercury lamp of 120 watt/cm.
A red pigment print is obtained having good fastness to wetting and light.
Example 4:
A cotton fabric is printed with a printing paste containing per 1 kg of printing paste
24 g of a commercial pigment formulation of the pigment dye of formula
120 g of a commercial acrylate binder (®Alcoprint PBA),
13 g of a commercial synthetic thickener (®Alcoprint PTF), and
3 g of a commercial deaerator, and is then dried at 120° C for 90 seconds. It is then immediately irradiated with a dosage of
3 Mrad using an electron gun at an accelerator voltage of 180 kV.
A blue pigment print is obtained having good fastness to wetting and light.
-Example 5:
The general procedure of Example 4 is repeated, but the dried print, which is temporarily stored cold, is heated in an infrared predrier to 100° C before irradiation. The subsequent irradiation also gives a blue pigment print having good fastness to wetting and light.
-Example 6:
A cotton fabric is printed with a printing paste containing per 1 kg of printing paste
24 g of a commercial pigment formulation of the pigment of formula (14)
120 g of a commercial acrylate binder (®Alcoprint PBA),
100 g of the photoinitiator of formula (1),
13 g of a commercial synthetic thickener (®Alcoprint PTF), and
3 g of a commercial deaerator, and is then dried at 120° C for 90 seconds. It is then immediately passed at a speed of
10 m/min under a high-pressure mercury lamp of 120 watt/cm.
A blue pigment print is obtained having good fastness to wetting and light.

Claims

What is claimed is
1. A process for printing or dyeing fibre material with pigment dyes, which comprises applying to the fibre material a dye formulation comprising at least one pigment dye and at least one pigment dye binder as well as optional further auxiliaries and then fixing it with ionising radiation, or applying to the fibre material a dye formulation comprising at least one pigment dye, at least one pigment dye binder and at least one photoinitiator as well as optional further auxiliaries and then fixing it with UV radiation.
2. A process according to claim 1 , which comprises carrying out the fixing with ionising radiation.
3. A process according to claim 1 , which comprises carrying out the fixing with UV radiation in the presence of at least one photoinitiator.
4. A process according to any one of claims 1 to 3, which comprises formulating the pigment dye with a nonionic dispersant.
5. A process according to any one of claims 1 to 4, which comprises applying the dye formulation to the fibre material from an aqueous dye bath by the pad-dyeing process.
6. A process according to any one of claims 1 to 4, wherein the dye formulation is a printing paste.
7. A process according to claim 6, wherein the printing paste comprises an acid donor.
8. A process according to either claim 6 or claim 7, wherein the printing paste comprises a synthetic thickener.
9. A process according to claim 8, which comprises using a thickener based on the potassium or sodium salts of poly(meth)acrylic acids.
10. A process according to any one of claims 6 to 9, wherein the printing paste comprises a crosslinker.
11. A process according to any one of claims 1 to 10, wherein the fibre material is cellulosic fibre material.
12. A process according to claim 11 , wherein the cellulosic fibre material is a cellulose/polyester blend.
13. A process according to any one of claims 1 to 12, which comprises carrying out the fixing in the temperature range from 40 to 120┬░ C, preferably from 60 to 100┬░ C.
14. A process according to any one of claims 1 to 13, which comprises carrying out the fixing by irradiation in an inert gas atmosphere.
15. A process according to any one of claims 1 to 14, which comprises drying the printed or dyed fibre material prior to fixing.
EP98930710A 1997-05-29 1998-05-20 Process for fixing pigment prints and pigment dyeings with ionising radiation or uv radiation Withdrawn EP0985067A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH127097 1997-05-29
CH127097 1997-05-29
CH157297 1997-06-30
CH157297 1997-06-30
PCT/EP1998/002954 WO1998054399A1 (en) 1997-05-29 1998-05-20 Process for fixing pigment prints and pigment dyeings with ionising radiation or uv radiation

Publications (1)

Publication Number Publication Date
EP0985067A1 true EP0985067A1 (en) 2000-03-15

Family

ID=25687169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98930710A Withdrawn EP0985067A1 (en) 1997-05-29 1998-05-20 Process for fixing pigment prints and pigment dyeings with ionising radiation or uv radiation

Country Status (7)

Country Link
EP (1) EP0985067A1 (en)
JP (1) JP2001526744A (en)
KR (1) KR20010013027A (en)
AU (1) AU8105498A (en)
BR (1) BR9809176A (en)
CA (1) CA2289233A1 (en)
WO (1) WO1998054399A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2472197C2 (en) * 2011-02-24 2013-01-10 Государственное образовательное учреждение высшего профессионального образования "Московский государственный текстильный университет имени А.Н. Косыгина" Photopolymerisable composition for printing on textile materials

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE263027T1 (en) * 2000-08-31 2004-04-15 Textilma Ag SYSTEM FOR THE CONTINUOUS PRODUCTION OF PRINTED TEXTILE TAPES, IN PARTICULAR PRINTED LABEL TAPES
AU2001281628A1 (en) * 2000-08-31 2002-03-13 Textilma Ag Method and unit for the production of a printed textile web, in particular a label strip
KR100368495B1 (en) * 2000-11-23 2003-01-24 임용진 Color developing method and apparatus for persimmon dyeing by UVlight
FR2827316B1 (en) * 2001-07-13 2004-07-30 Inter Unec Interaction Univers TEXTILE FIBER SURFACE TREATMENT PROCESS
JP2007016346A (en) * 2005-07-07 2007-01-25 Shizuoka Prefecture Textile printing method for aramid fiber cloth
AT504885B1 (en) * 2007-05-21 2008-09-15 Univ Wien Tech METHOD FOR PRODUCING A SUPPLEMENT FOR THE PRODUCTION OF BUILDING MATERIALS
US8932965B1 (en) 2008-07-30 2015-01-13 International Textile Group, Inc. Camouflage pattern with extended infrared reflectance separation
US10433593B1 (en) 2009-08-21 2019-10-08 Elevate Textiles, Inc. Flame resistant fabric and garment
US8793814B1 (en) 2010-02-09 2014-08-05 International Textile Group, Inc. Flame resistant fabric made from a fiber blend
US8209785B2 (en) 2010-02-09 2012-07-03 International Textile Group, Inc. Flame resistant fabric made from a fiber blend
KR101315898B1 (en) * 2012-07-11 2013-10-08 전북대학교산학협력단 Dyeing method of nanofiber
KR101896985B1 (en) * 2017-03-08 2018-09-10 금오공과대학교 산학협력단 UV-LED Photografting coloration method including photografting modification
US12043755B2 (en) * 2020-11-25 2024-07-23 Xerox Corporation Compositions, methods, and articles relating to in-situ crosslinking of polyamides during additive manufacturing

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5865084A (en) * 1981-10-13 1983-04-18 蛇の目ミシン工業株式会社 Simple and rapid dyeing of sewing machine yarn
US4507350A (en) * 1984-03-08 1985-03-26 Springs Industries, Inc. Method of producing opaque printed textile fabrics with curing by free radical initiation and resulting printed fabrics
DE59204404D1 (en) * 1991-07-17 1996-01-04 Ciba Geigy Ag Process for fixing dyes.
EP0681623B1 (en) * 1993-02-01 1997-05-21 Ciba SC Holding AG Radiation-induced fixation of dyes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9854399A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2472197C2 (en) * 2011-02-24 2013-01-10 Государственное образовательное учреждение высшего профессионального образования "Московский государственный текстильный университет имени А.Н. Косыгина" Photopolymerisable composition for printing on textile materials

Also Published As

Publication number Publication date
AU8105498A (en) 1998-12-30
JP2001526744A (en) 2001-12-18
BR9809176A (en) 2000-08-01
WO1998054399A1 (en) 1998-12-03
CA2289233A1 (en) 1998-12-03
KR20010013027A (en) 2001-02-26

Similar Documents

Publication Publication Date Title
US6443569B1 (en) Method for printing fibrous textile materials according to the ink jet printing technique
EP0985067A1 (en) Process for fixing pigment prints and pigment dyeings with ionising radiation or uv radiation
EP0681623B1 (en) Radiation-induced fixation of dyes
US5238465A (en) Fixing dye having polymerizable radical on fiber by treatment with ionizing radiation in presence of colorless monomer
US5389108A (en) Process for fixing dyes
US3669611A (en) Production of ornamental multitone effect on polyamide textile materials
US20170275814A1 (en) Method for coloring a substrate using atmospheric pressure plasma polymerization
El-Molla et al. Use of the newly synthesized aqueous polyurethane acrylate binders for printing cotton and polyester fabrics
EP0642609B1 (en) Process for the fixation of dyes containing at least one polymerisable double bond by means of ionising radiation
KR100997852B1 (en) Non-azo disperse dye mixtures
US4095942A (en) Printing of hydrophobic textiles without afterwash and product thereof
US4057388A (en) Dry heat process for dyeing and printing organic material which can be dyed with cationic dyestuffs
WO1994025665A1 (en) Radiation-induced fixation of dyes
US3923457A (en) Mixtures of fixing auxiliaries containing novel dye carrier
CZ424699A3 (en) Fixing process of pigment printings and pigment dyes by making use of ionizing radiation or ultraviolet radiation
WO2000003081A1 (en) Method for printing fibrous textile materials using the ink jet technique
US4299592A (en) Printing of textile materials
DE19930882A1 (en) Pigment printing or dyeing fibrous material, especially cellulose textile
WO1998001615A1 (en) Process for dyeing and printing fibre materials
US4654046A (en) Continuous process for dyeing cellulose/polyamide blends: thermobol pad liquor containing nonionic surfactant
US3667900A (en) Method of dyeing natural and synthetic fibers
Khanna Energy Conservation in Pigment Printing.
Shaw The Use of Acetate Rayon Dyes in Textile Printing
DE19625232A1 (en) Dyeing organic materials, esp. fibres, e.g. of cellulose

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19991016

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IT LI NL PT SE

17Q First examination report despatched

Effective date: 20010615

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20011228