EP1570123A1 - Verwendung von copolymerisaten als hilfsmittel für die textilfärberei und den textildruck - Google Patents
Verwendung von copolymerisaten als hilfsmittel für die textilfärberei und den textildruckInfo
- Publication number
- EP1570123A1 EP1570123A1 EP03785689A EP03785689A EP1570123A1 EP 1570123 A1 EP1570123 A1 EP 1570123A1 EP 03785689 A EP03785689 A EP 03785689A EP 03785689 A EP03785689 A EP 03785689A EP 1570123 A1 EP1570123 A1 EP 1570123A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- copolymer
- textile
- agents
- nitrogen
- monoethylenically unsaturated
- 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.)
- Granted
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Classifications
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- 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
- D06P5/13—Fugitive dyeing or stripping dyes
- D06P5/137—Fugitive dyeing or stripping dyes with other 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
- 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
-
- 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
- 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
- D06P1/60—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 polyethers
-
- 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
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
- D06P5/08—After-treatment with organic compounds macromolecular
Definitions
- the present invention relates to the use of copolymers which contain at least 2 monoethylenically unsaturated monomers B1 and B2 in copolymerized form, B1 and B2 each containing at least one nitrogen-containing heterocycle, as auxiliaries for textile dyeing and textile printing.
- auxiliaries for textile dyeing are usually used in addition to colorants. Desired effects of auxiliaries for textile dyeing are, for example, the removal of unwanted dyeings. Other auxiliaries for textile dyeing ensure, among other things, particularly good and uniform dyeing and / or good exhaustion of the colorants.
- auxiliaries for textile dyeing are known to those skilled in the art as leveling agents.
- Other special examples of auxiliaries for textile dyeing are known to the person skilled in the art as stripping agents.
- Other special examples of auxiliaries for textile dyeing are known to those skilled in the art as soaping agents.
- Textiles - for example natural and synthetic textiles - are often not absolutely homogeneous in their composition, but have different compositions or thicknesses over the length of the threads. This can result in the textile having stronger and weaker colored areas after dyeing, which is generally undesirable.
- Leveling agents for example, are used to achieve a uniform color. These are understood to mean agents which produce a uniform dyeing over the surface of the textile to be dyed and especially over the length of the thread. Oil sulfonates, fatty alcohol sulfonates, fatty acid condensation products, alkyl and alkylaryl polyglycol ethers are known from the prior art as leveling agents.
- Leveling agents also influence the coloring behavior of the dyes, in particular the absorption behavior. Dyes with a high affinity for fibers should be retained longer in the fleet and migrate more easily on the fibers. It is desirable that leveling agents thereby lead to more uniform (“less important”) colorations.
- Leveling agents based on polyvinylpyrrolidone see. Ullmann's Encyclopedia of Industrial Chemistry (5th edition) Volume A26, page 291, left column.
- Other commercially available leveling agents are condensates of adipic acid and amines such as, for example H 2 N-CH 2 CH 2 -NH- (CH 2 ) 3-NH2 or H 2 -CH2CH2-NH- (CH 2 ) 3-NH-CH 2 CH2-NH 2 .
- the performance properties of such conventional leveling agents for example as leveling agents for leveling vat, direct, reactive or sulfur dyes, can still be improved.
- Peeling agents are generally understood to be those agents which are suitable for removing, for example, coloring, printing and impregnation by releasing, changing or destroying a dye.
- a particularly important area of application for release agents is the repair of incorrect stains. The dye is lightened on incorrect stains so that the incorrect stain can be recolored.
- Peeling agents are also known as a component of etching printing pastes. These are used to remove certain colors in etching printing. In etching printing, one color is usually printed over the entire surface. Then the next color is overprinted. The subsequent color is then removed in places with the help of an etching printing paste.
- Glauber's salt and / or sodium chloride in the soap bath Furthermore, the known after-soap agents must be used at high temperatures, i.e. around 98 ° C. The effect of the polyacrylic acids and polyvinylpyrrolidones used as soaping agents can also be improved.
- the object was therefore to provide an improved process for the subsequent cleaning of textiles dyed with reactive dyes, direct dyes or vat dyes, which are also referred to below as dyed textiles.
- the task was to provide after-soap agents with an improved effect in the after-cleaning of dyed textiles, which act especially with an increased concentration of salts in the soap bath.
- Glauber's salt and / or sodium chloride in the soap bath Furthermore, the known after-soap agents must be used at high temperatures, i.e. around 98 ° C. The effect of the polyacrylic acids and polyvinylpyrrolidones used as soaping agents can also be improved.
- the object was therefore to provide an improved process for the post-cleaning of textiles printed with reactive dyes, direct dyes or vat dyes, which are also referred to below as printed textiles. Furthermore, there was the task of providing after-soap agents with an improved effect in the after-cleaning of printed textiles, which act especially when there is an increased concentration of salts in the soap bath.
- textiles or textiles are to be understood as meaning textile fibers, textile semifinished and finished products and finished goods made therefrom which, in addition to textiles for the clothing industry, also include carpets and other home textiles and textile structures serving technical purposes.
- This also includes unshaped structures such as flakes, line-shaped structures such as twine, threads, yarns, linen, cords, ropes, twists and body structures such as felts, fabrics, nonwovens and wadding.
- the textiles can be of natural origin, for example cotton, wool or flax, or synthetic, for example polyamide.
- copolymers used in the auxiliaries for textile dyeing and textile printing according to the invention which are also referred to below as copolymers used according to the invention, are characterized in that they contain in copolymerized form at least 2 monoethylenically unsaturated monomers B1 and B2, each of which contains at least one contain a nitrogen-containing heterocycle.
- copolymers used according to the invention can be statistical copolymers, block copolymers or graft polymers.
- the copolymers used according to the invention preferably contain at least one cyclic amide of the general formula I as monomer B1
- x is an integer ranging from 1 to 6
- R 1 is hydrogen or -CC 4 -alkyl, such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl and tert-butyl.
- polymerized monomer B1 may be, for example, N-vinylpyrrolidone, N-vinyl- ⁇ -valerolactam and N-vinyl- ⁇ -caprolactam, with N-vinylpyrrolidone being preferred.
- the copolymers used according to the invention polymerize at least one monomer B2 which has a nitrogen-containing heterocycle selected from the group of pyrroles, pyrrolidines, pyridines, quinolines, isoquinolines, purines, pyrazoles, imidazoles, triazoles, tetrazoles and indolizines , Pyridazines, pyrimidines, pyrazines, indoles, isoindoles, oxazoles, oxazolidones, oxazolidines, morpholines, piperazines, piperidines, isoxazoles, thiazoles, isothiazoles, indoxyls, isatins, dioxindoles and hydanthoins and their derivatives, for example barbituric acid and uracil and their Derivatives.
- Preferred heterocycles are imidazoles, pyridines and pyridine-N-oxide
- Examples of particularly suitable comonomers B2 are N-vinylimidazoles, alkylvinylimidazoles, in particular methylvinylimidazoles such as 1-vinyl-2-methylimidazole, 3-vinylimidazole-N-oxide, 2- and 4-vinylpyridines, 2- and 4-vinylpyridine- N-oxides as well as betaine derivatives and quaternization products of these monomers.
- Very particularly preferred copolymerized comonomers B2 are N-vinylimidazoles of the general formula II a, betainic N-vinylimidazoles of the general formula II b, 2- and 4-vinylpyridines of the general formula II c and II d and betaine 2- and 4-vinylpyridines of the general Formula II e and II f
- R, R, R 4 , R independently of one another are hydrogen, CrC 4 alkyl such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl and tert-butyl; or phenyl, preferably hydrogen;
- a 1 CC 2 o-alkylene for example -CH 2 -, -CH (CH 3 ) -, - (CH 2 ) 2 -, -CH 2 -
- R 5 is C 1 -C 2 alkyl, such as methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, iso-pentyl, sec .-Pentyl, neo-pentyl, 1, 2-dimethyl-propyl, iso-amyl, n-hexyl, iso-hexyl, sec.-hexyl, n-heptyl, n-octyl, n-nonyl, n-decyl; particularly preferably dC-alkyl such as methyl,
- Examples of particularly preferred betaine copolymerized monomers B2 are monomers of the formulas II b, II e and II f in which the grouping A 1 - X " for - CH 2 -COO " , - (CH 2 ) 2 -SO 3 " or - (CH 2 ) 3 -SO 3 " and the other variables each represent hydrogen.
- Vinylimidazoles and vinylpyridines are also suitable as copolymerized monomers B2 which have been quaternized before or after the polymerization.
- alkylating agents such as alkyl halides, which generally have 1 to 24 carbon atoms in the alkyl radical, or dialkyl sulfates, which generally contain alkyl radicals with 1 to 10 carbon atoms.
- alkylating agents from these groups are methyl chloride, methyl bromide, methyl iodide, ethyl chloride, ethyl bromide, propyl chloride, hexyl chloride, dodecyl chloride and lauryl chloride as well as dimethyl sulfate and diethyl sulfate.
- alkylating agents include: benzyl halides, especially benzyl chloride and benzyl bromide; Chloroacetic acid; Fluorschwefelkladester; diazomethane; Oxonium compounds such as trimethyloxonium tetrafluoroborate; Alkylene oxides, such as ethylene oxide, propylene oxide and glycidol, which are used in the presence of acids; cationic epichlorohydrins.
- Preferred quaternizing agents are methyl chloride, dimethyl sulfate and diethyl sulfate.
- copolymerized quaternized monomers B2 are 1-methyl-3-vinylimidazolium methosulfate and methochloride.
- the weight ratio of the copolymerized monomers B1 and B2 is generally 99: 1 to 1:99, preferably 90:10 to 30:70, particularly preferably 90:10 to 50:50, very particularly preferably 80:20 to 50:50 and especially 80:20 to 60:40.
- the copolymers used according to the invention may contain one or more other monomers B3 in copolymerized form, for example mono-ethylenically unsaturated monomers containing carboxyl groups, for example C -C 10 -unsaturated mono- or dicarboxylic acids and their derivatives such as salts, esters, amides and anhydrides. Examples include:
- Acids and their salts such as (meth) acrylic acid, fumaric acid, maleic acid and the respective alkali or ammonium salts;
- Anhydrides such as maleic anhydride;
- Esters such as, for example, (meth) acrylic acid methyl ester, (meth) acrylic acid ethyl ester, (meth) acrylic acid n-butyl ester, dimethyl maleate, diethyl maleate, dimethyl fumarate, diethyl fumarate, di-n-butyl fumarate,
- B3 are vinyl acetate and vinyl propionate and ethylenically unsaturated compounds of the general formula III a to III d,
- R is as defined above
- Y 1 is selected from oxygen or NH, y is an integer selected from 1 or 0,
- a 2 to A 4 identical or different and independent of one another - (CH 2 ) 2 -, - (CH 2 ) 3 -, - (CH 2 ) 4 -, -CH 2 -CH (CH 3 ) -, -CH 2 - CH (CH2-CH 3 ) -, -CH 2 -CHOR 10 -CH 2 -;
- R 8 is hydrogen, amino -CC 6 alkyl, which may be a primary, secondary or tertiary amino group, for example -CH 2 -NH 2 , - (CH 2 ) 2 -NH 2 , -CH 2 -CH (CH 3 ) -NH 2 , -CH 2 -NHCH 3 , -CH 2 -N (CH 3 ) 2 ,
- R 10 is hydrogen, CC 24 alkyl, R 9 is -CO-;
- the CC 24 alkyl radicals in formula III a to III d can be branched or unbranched CrC 2 alkyl radicals, where preferred and CrC 6 alkyl radicals are particularly preferred.
- Examples include methyl, ethyl, n-propyl, 1-methylethyl, n-butyl, 1-methylpropyl, 2-methylpropyl, 1,1-dimethylethyl, n-pentyl, 1-methylbutyl, 2-methylbutyl, 3 -Methylbutyl, 2,2-dimethylpropyl, 1-ethylpropyl, n-hexyl, 1,1-dimethylpropyl, 1,2-dimethylpropyl, 1-methylpentyl, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 1 , 1-dimethylbutyl, 1,2-dimethylbutyl, 1, 3-dimethylbutyl, 2,2-dimethylbutyl, 2,3-d
- the process according to the invention is characterized in that one or more graft polymers are used as the copolymer in the process according to the invention.
- Graft copolymers which are preferably used are, for example, those which, in addition to the monomers B1 and B2, also contain, in copolymerized form, those comonomers B3 which correspond to the formulas III a to III d.
- those graft polymers are used which are composed of a polymeric graft base A which has no monoethylenically unsaturated units, and
- polymeric side chains B formed from copolymers of at least two monoethylenically unsaturated monomers B1 and B2, each of which contains at least one nitrogen-containing heterocycle, and optionally further comonomers B3.
- the graft polymers used in the embodiment of the method according to the invention described below can be characterized by their ratio of side chains B to polymeric graft base A.
- the proportion of side chains B in the graft polymers can be greater than 35% by weight, based on the total graft polymer.
- the proportion is preferably 55 to 95% by weight, particularly preferably 70 to 90% by weight.
- the side chains B of the graft polymers preferably contain at least one cyclic amide of the general formula I as monomer B1
- polymerized monomer B1 may be, for example, N-vinylpyrrolidone, N-vinyl- ⁇ -valerolactam and N-vinyl- ⁇ -caprolactam, with N-vinylpyrrolidone being preferred.
- the side chains B preferably contain at least one monoethylenically unsaturated monomer B2 which has a nitrogen-containing heterocycle selected from the group of pyrroles, pyrrolidines, pyridines, quinolines, isoquinolines, purines, pyrazoles, imidazoles and triazoles , Tetrazoles, indolizines, pyridazines, pyrimidines, pyrazines, indoles, isoindoles, oxazoles, oxazolidones, oxazolidines, morpholines, piperazines, piperidines, isoxazoles, thiazoles, isothiazoles, indoxyls, isatins, dioxindoles and hydanthoins and their derivatives, for example Barbituric acid and uracil and their derivatives.
- a nitrogen-containing heterocycle selected from the group of pyrroles, pyrrolidines, pyridine
- Preferred heterocycles are imidazoles, pyridines and pyridine-N-oxides, with imidazoles being particularly preferred.
- particularly suitable B2 comonomers are N-vinylimidazoles, alkylvinylimidazoles, in particular methylvinylimidazoles such as 1-vinyl-2-methylimidazole, 3-vinylimidazole-N-oxide, 2- and 4-vinylpyridines, 2- and 4-vinylpyridine- N-oxides and betaine derivatives and quaternization products of these monomers.
- Very particularly preferred copolymerized comonomers B2 are N-vinylimidazoles of the general formula II a, betaine N-vinylimidazoles of the general formula II b, 2- and 4-vinylpyridines of the general formula II c and II d and betaine 2- and 4-vinylpyridines of the general formula II e and II f.
- Examples of very particularly preferred betaine polymerized monomers B2 are monomers of the formulas II b, II e and II f, in which the grouping A 1 - X " for -CH 2 -COO " , - (CH 2 ) 2 -SO 3 " or - (CH 2 ) 3-SO 3 " and the other variables each represent hydrogen.
- Vinylimidazoles and vinylpyridines are also suitable as copolymerized monomers B2 which have been quaternized before or after the polymerization.
- the quaternization can in particular be carried out as described above.
- copolymerized quaternized monomers B2 are 1-methyl-3-vinylimidazolium methosulfate and methocloride.
- the weight ratio of the copolymerized monomers B1 and B2 is generally 99: 1 to 1:99, preferably 90:10 to 30:70, particularly preferably 90:10 to 50:50, very particularly preferably 80:20 to 50:50 and especially 80:20 to 60:40.
- the graft polymers used according to the invention can contain one or more other monomers B3 polymerized in the side chains, for example carboxyl-containing monoethylenically unsaturated monomers, for example C 2 -C 0 -unsaturated mono- or dicarboxylic acids and their derivatives such as salts, esters, anhydrides and those as above are defined standing.
- monomers B3 polymerized in the side chains for example carboxyl-containing monoethylenically unsaturated monomers, for example C 2 -C 0 -unsaturated mono- or dicarboxylic acids and their derivatives such as salts, esters, anhydrides and those as above are defined standing.
- the polymeric graft base A of the graft polymers used according to the invention is preferably a polyether.
- the term “polymer” is also intended to include oligomeric compounds.
- Particularly preferred polymeric graft bases A have an average molecular weight M n of at least 300 g.
- Particularly preferred polymeric graft bases A have the general formula IV a
- R 7 hydroxyl, amino, CC 24 alkoxy such as methoxy, ethoxy, n-propoxy, iso-propoxy, n-butoxy, iso-butoxy, sec.-butoxy, tert.-butoxy, n-pen-toxy, iso-pentoxy, n-hexoxy iso-hexoxy, R 9 -COO-, R 9 -NH-COO-, polyalcohol residue such as, for example, glyceryl;
- a 2 to A 4 the same or different and each - (CH 2 ) 2 -, - (CH 2 ) 3 -, - (CH 2 ) 4 -, -CH 2 - CH (CH 3 ) -, -CH 2 -CH (CH 2 -CH3) -, -CH 2 -CHOR 10 -CH 2 -;
- R 8 is hydrogen, amino-CrC ⁇ -alkyl, which can be a primary, secondary or tertiary amino group, for example -CH 2 -NH 2 , - (CH 2 ) 2 -
- R 9 -CO- R 9 -NH-CO-;
- a 6 CC 2 o-alkylene the carbon chain of which is represented by 1 to 10 oxygen atoms
- Ether functions can be interrupted
- Phenylene 1, 8-naphthylene, 2,7-naphthylene, substituted or unsubstituted;
- n 1 or, if R 7 is a polyalcohol radical, 1 to 8;
- the polymeric graft bases A of formula IV a are preferably polyethers from the group of polyalkylene oxides based on ethylene oxide, propylene oxide and butylene oxides, polytetrahydrofuran and polyglycerol. Depending on the type of monomer building blocks, polymers with the following structural units result:
- copolymers are suitable, the copolymers being statistical copolymers or block copolymers.
- terminal primary hydroxyl groups of the polyethers produced on the basis of alkylene oxides or glycerol and the secondary OH groups of polyglycerol can be present freely or etherified with CC 24 alcohols, esterified with CrC 24 carboxylic acids or reacted with isocyanates to form urethanes.
- Alcohols suitable for this purpose are, for example: primary aliphatic alcohols, such as methanol, ethanol, propanol and butanol, primary aromatic alcohols, such as phenol, isopropylphenol, tert-butylphenol, octylphenol, nonylphenol and naphthol, secondary aliphatic alcohols, such as isopropanol, tertiary aliphatic Alcohols, such as tert-butanol and polyhydric alcohols, for example diols, such as ethylene glycol, diethylene glycol, propylene glycol, 1,3-propanediol and butanediol, and triols, such as glycerol and trimethylolpropane.
- primary aliphatic alcohols such as methanol, ethanol, propanol and butanol
- primary aromatic alcohols such as phenol, isopropylphenol, tert-butylphenol, octylphenol
- the hydroxyl groups can also be replaced by primary amino groups by reductive amination with hydrogen / ammonia mixtures under pressure or converted to aminopropylene end groups by cyanoethylation with acrylonitrile and hydrogenation.
- the conversion of the hydroxyl end groups can not only be carried out subsequently by reaction with alcohols or with alkali metal eyes, amines and hy- Droxylamines take place, but these compounds can, like Lewis acids, for example boron trifluoride, also be used as starters at the start of the polymerization.
- the hydroxyl end groups can also be etherified by reaction with alkylating agents, such as dimethyl sulfate.
- the C 1 -C 2 -alkyl radicals in formulas IV a and IV b can be branched or unbranched CC 24 -alkyl radicals, with CrC ⁇ 2 -alkyl radicals being preferred and CC 6 -alkyl radicals being particularly preferred.
- Examples include methyl, ethyl, n-propyl, 1-methylethyl, n-butyl, 1-methylpropyl, 2-methylpropyl, 1,1-dimethylethyl, n-pentyl, 1-methylbutyl, 2-methylbutyl, 3 -Methylbutyl, 2,2-dimethylpropyl, 1-ethylpropyl, n-hexyl, 1,1-dimethylpropyl, 1, 2-dimethylpropyl, 1-methylpentyI, 2-methylpentyl, 3-methylpentyl, 4-methylpentyl, 1 , 1-dimethylbutyl, 1,2-dimethylbutyl, 1,3-dimethylbutyl, 2,2-dimethylbutyl, 2,3-dimethylbutyl, 3,3-dimethylbutyl, 1-ethylbutyl, 2-ethylbutyl, 1,1,2 -Tri-methylpropyl, 1,2,2-trimethylprop
- the average molecular weight M n of the polyethers of the general formula IV a is at least 300 g / mol and is generally ⁇ 100,000 g / mol. It is preferably 500 g / mol to 50,000 g / mol, particularly preferably up to 10,000 / mol g and very particularly preferably up to 2000 g / mol.
- the polydispersity of the polyethers of the general formula IV a is low in most cases, for example in the range from 1.1 to 1.8.
- homopolymers and copolymers of ethylene oxide, propylene oxide, butylene oxide and isobutylene oxide, which can be linear or branched can be used as the polymeric graft base A.
- homopolymers also includes those polymers which, in addition to the polymerized alkylene oxide unit, also contain the reactive molecules which were used to initiate the polymerization of the cyclic ethers or to terminate the polymer.
- Branched polymers can be prepared by, for example, low molecular weight polyalcohols (R 7 radicals in formulas IV a and IV b), for example pentaerythritol, glycerol and sugar or sugar alcohols, such as sucrose, D-sorbitol and D-mannitol, disaccharides, ethylene oxide and if desired, add propylene oxide and / or butylene oxides or polyglycerol.
- R 7 radicals in formulas IV a and IV b low molecular weight polyalcohols
- pentaerythritol for example pentaerythritol, glycerol and sugar or sugar alcohols, such as sucrose, D-sorbitol and D-mannitol, disaccharides, ethylene oxide and if desired, add propylene oxide and / or butylene oxides or polyglycerol.
- polymers can be formed in which at least one, preferably one to eight, particularly preferably one to five of the ones present in the polyalcohol molecule existing hydroxyl groups in the form of an ether bond can be linked to the polyether radical according to formula IVa or IVb.
- Four-armed polymers can be obtained by adding the alkylene oxides to diamines, preferably ethylenediamine.
- Further branched polymers can be prepared by reacting alkylene oxides with higher-value amines, for example triamines, or in particular polyethyleneimines.
- Polyethyleneimines suitable for this generally have average molecular weights M n of 300 to 20,000 g, preferably 500 to 10,000 g and particularly preferably 500 to 5000 g.
- the weight ratio of alkylene oxide to polyethyleneimine is usually in the range from 100: 1 to 0.1: 1, preferably in the range from 20: 1 to 0.5: 1.
- polyesters of polyalkylene oxides and aliphatic C 1 -C 12 - preferably Ci-Ce dicarboxylic acids or aromatic dicarboxylic acids, eg oxalic acid, succinic acid, adipic acid or terephthalic acid, with average molecular weights M n of 1500 to 25000 g / mol as to use polymeric graft base A.
- CrC 12 - preferably -C 6 diisocyanates or aromatic diisocyanates, for example hexamethylene diisocyanate or phenylene diisocyanate, to be used as the polymeric graft base A.
- polyesters, polycarbonates or polyurethanes can contain up to 500, preferably up to 100, polyalkylene oxide units, it being possible for the polyalkylene oxide units to consist both of homopolymers and of copolymers of different alkylene oxides.
- Homopolymers and copolymers of ethylene oxide and / or propylene oxide are particularly preferably used as the polymeric graft base A for the process according to the invention, which can be end group-capped on one or both sides.
- the K values of the graft polymers are usually 10 to 150, preferably 10 to 80 and particularly preferably 15 to 60 (determined according to H. Fikentscher, Cellulose-Chemie, Vol. 13, pp. 58 to 64 and 71 to 74 (1932) in Water or 3% by weight aqueous sodium chloride solutions at 25 ° C and polymer concentrations, which depend on
- K value range are 0.1 wt .-% to 5 wt .-%).
- the desired K value can be set by the composition of the input materials.
- the molecular weight of the products is given by the molecular weight of the graft base and the proportion of the comonomers which react as side chains. The more molecules you use as a graft base, the more end molecules you have and vice versa.
- the side chain density can be adjusted by the amount of starter and the reaction conditions.
- the monomers B1 and B2 and, if appropriate, further comonomers B3 are polymerized by free radicals in the presence of the polymeric graft base A.
- the polymerization can be carried out, for example, in the form of solution polymerization, bulk polymerization, emulsion polymerization, reverse emulsion polymerization, suspension polymerization, reverse suspension polymerization or precipitation polymerization.
- the bulk polymerization can be carried out by dissolving the monomers B1 and B2 in the polymeric graft base A, heating the mixture to the polymerization temperature and polymerizing it out after the addition of a radical initiator.
- the polymerization can also be carried out semi-continuously by first of all part, e.g. 10% by weight, the mixture of polymeric graft base A, monomer B1 and B2 and radical initiator and heated to the polymerization temperature and after the polymerization has started, the rest of the mixture to be polymerized is added as the polymerization progresses.
- the polymeric graft base A can also be placed in a reactor and heated to the polymerization temperature, and monomers B1 and B2 (separately or as a mixture) and the radical initiator can be added and polymerized either all at once, batchwise or, preferably, continuously.
- Suitable organic solvents are, for example aliphatic and cycloaliphatic monohydric alcohols, such as methanol, ethanol, n-propanol, isopropanol, n-butanol, sec-butanol, tert-butanol, n-hexanol and cyclohexanol, polyhydric alcohols, for example glycols, such as ethylene glycol, Propylene glycol and butylene glycol, and glycerol, alkyl ethers of polyhydric alcohols, for example methyl and ethyl ethers of the dihydric alcohols mentioned, and ether alcohols, such as diethylene glycol and triethylene glycol, and cyclic ethers, such as dioxane.
- aliphatic and cycloaliphatic monohydric alcohols such as methanol, ethanol, n-propanol, isopropanol, n-butanol, sec-butano
- the graft polymerization is preferably carried out in water as a solvent.
- A, B1 and B2 and possibly other comonomers B3 are more or less well dissolved, depending on the amount of water used. Some or all of the water can also be added in the course of the polymerization. Mixtures of water and the above-mentioned organic solvents can of course also be used.
- solutions or dispersions of the graft polymers according to the invention are generally obtained, which can be obtained using various drying processes, e.g. Spray drying, fluidized spray drying, drum drying or freeze drying, can be transferred in powder form. An aqueous solution or dispersion can then be easily prepared again at the desired point in time by adding it to water.
- Peroxo compounds, azo compounds, redox initiator systems and reducing compounds are particularly suitable as radical initiators.
- mixtures of radical starters can also be used.
- alkali metal peroxodisulfates for example sodium peroxodisulfate, ammonium peroxodisulfate, hydrogen peroxide, organic peroxides, such as diacetyl peroxide, di-tert.-butyl peroxide, diamyl peroxide, dioctanoyl peroxide, didecanoyl peroxide, dilauroyloyl peroxide, tilauroyloyl peroxide, tilauroyl peroxyl peroxide, tilauroyl peroxyl peroxide - peroxide, tert-butyl peracetate, tert-butyl permaleinate, tert-butyl perisobutyrate, tert-butyl perpivalate, tert-butyl peroctoate, tert-butyl perneodecanoate, tert-butyl perbenzoate
- organic peroxides such as
- Preferred radical initiators are e.g. tert-butyl perpivalate, tert-butyl peroctoate, tert-butyl perneodecanoate, tert-butyl peroxide, tert-butyl hydroperoxide, azobis (2-methyl-propion-amidine) dihydrochloride, 2,2'-azobis (2-methylbutyronitrile), hydrogen peroxide and sodium peroxodisulfate, the redox metal salts, e.g. Iron salts can be added in small amounts.
- redox metal salts e.g. Iron salts can be added in small amounts.
- radical initiators are used.
- polymerization regulators can also be used.
- Sulfur compounds such as mercaptoethanol
- 2-ethylhexyl thioglycolate, thioglycolic acid and dodecyl mercaptan but also other types of regulator, e.g. Bisulfite and hypophosphite.
- the amount used is generally 0.1 to 15% by weight, preferably 0.1 to 5% by weight and particularly preferably 0.1 to 2.5% by weight, based on monomers B1 and B2.
- the polymerization temperature is generally 30 to 200 ° C, preferably 50 to 150 ° C and particularly preferably 75 to 110 ° C.
- the polymerization is usually carried out under atmospheric pressure, but can also be carried out under reduced or elevated pressure, e.g. at 0.5 or 5 bar.
- the copolymers described above can be used, for example, as a stripping agent. According to the invention, the copolymers described above can be used as leveling agents.
- At least one graft copolymer is used according to the invention as an auxiliary for textile dyeing and textile printing, which has a copolymer as a graft base, which copolymerizes monomers B1 and B2 and contains the text print and optionally further comonomers B3, the monomers B1, B2 and B3 are as defined above.
- the present invention further provides auxiliaries for textile dyeing and textile printing, for example peeling agents, leveling agents and after-soap agents, comprising the copolymers described above.
- Auxiliaries according to the invention for textile dyeing and textile printing for example peeling agents, leveling agents and re-soaping agents, particularly preferably contain at least one graft copolymer which is composed of a polymeric graft base A which has no monoethylenically unsaturated units and polymeric side chains B formed from copolymers of at least two monoethylenically unsaturated monomers B1 and B2, each containing at least one nitrogen-containing heterocycle, and optionally further comonomers B3.
- the proportion of side chains B in the auxiliaries for textile dyeing and textile printing according to the invention is preferably greater than 35% by weight.
- Preferred auxiliaries according to the invention for textile dyeing and textile printing contain, in addition to the copolymers described above and in particular the graft copolymers described above, further components, for example phosphorus compounds, complexing agents and ionic or nonionic surfactants, particularly suitable phosphorus compounds being phosphonic acid compounds, for example hydroxymethylidene diphosphonic acid.
- suitable complexing agents are aminocarboxylic acid derivatives and their alkali metal salts, for example nitrilotriacetic acid, ethylenediaminetetraacetic acid and the corresponding di- and trisodium salts and the tetrasodium salt of ethylenediaminetetraacetic acid.
- Suitable non-ionic surfactants are, for example, ethoxylation products of long-chain alcohols.
- Preferred alcohols originate, for example, from the series of 1-Al-canoles with 8 to 30 C atoms, preferably 8 to 18 C-atoms, or from the series of 2-Al-canoles with 8 to 30, preferably 8 to 18 C-atoms ,
- the degree of ethoxylation is 4 to 30, preferably 6 to 15.
- alkoxylation products of the abovementioned alkanols with an average degree of alkoxylation of 8 to 30, preferably 8 to 18, at least 1 mol of propylene oxide being used.
- alkoxylation products are those which are obtained by reacting alkanols first with propylene oxide and then with ethylene oxide.
- Suitable ionic surfactants are based, for example, on mono- or diesters of sulfosuccinic acid.
- Suitable alcohols for the preparation of the esters are branched or unbranched alcohols with a chain length of 2 to 30 carbon atoms, preferably 4 to 18 carbon atoms.
- the auxiliaries according to the invention for textile dyeing and textile printing can be used as a powder. However, they can also be used as an aqueous formulation, the water content being in the range from 5 to 95, preferably 20 to 90,% by weight, based on the sum of the components. It is preferred to use it as a liquid formulation, the metering of which can take place, for example, using an automatic metering system.
- Another object of the present invention is a method for leveling false colors or uneven dyeings in textile materials, hereinafter also referred to as leveling method according to the invention, characterized in that at least one copolymer is used as leveling agent which comprises at least 2 monoethylenically unsaturated monomers B1 and Contains polymerized B2, where B1 and B2 each contain at least one nitrogen-containing heterocycle.
- the leveling process according to the invention relates to the removal of incorrect or uneven dyeings by vat, direct, reactive or sulfur dyes.
- the graft polymers described above are used.
- the leveling process according to the invention can be carried out under otherwise known conditions.
- the leveling process according to the invention is preferably carried out in an aqueous liquor, the liquor ratio being in the range from 1: 100 to 1: 5, preferably in the range from 1:25 to 1: 5.
- the concentration of the leveling agents according to the invention is in the range from 0.01 to 10 g / l of liquor, in particular in the range from 0.1 to 1 g / l and in particular up to 1 g / l of liquor.
- one or more dispersants are added to the liquor.
- suitable dispersants are naphthalenesulfonic acid / formaldehyde condensation products which can be prepared, for example, by sulfonating naphthalene with oleum, partial or complete neutralization with, for example, aqueous alkali metal hydroxide solution and reaction with formaldehyde.
- suitable dispersants are described, for example, in US 4,218,218.
- one or more reducing agents for example sodium dithionite Na 2 S 2 O 4 , are added to the liquor.
- protective colloids are added to the fleet, for example protective colloids based on partially or completely neutralized polyacrylic acids.
- Suitable polyacrylic acids have an average molecular weight M w of, for example, 1000 to 200000 g / mol, preferably 1000 to 100000 g / mol and in particular 3000 to 70,000 g / mol.
- the completely neutralized polyacrylic acids are very particularly preferred.
- amounts of 0.1 to 5 g protective colloid / l liquor, in particular 1 to 2 g / l are suitable.
- the leveling process according to the invention is usually carried out at a pH of 9 to 13.
- the leveling process according to the invention is usually carried out at a temperature above room temperature. Temperatures in the range from 50 ° C. to cooking temperature are particularly suitable, preferably at least 60 ° C.
- the duration of the leveling process according to the invention is usually at least 5 minutes to 2 hours, preferably 30 to 90 minutes.
- rinsing, washing and / or drying can also be carried out.
- acids especially with non-volatile acids such as succinic acid, adipic acid, tartaric acid or citric acid.
- Another object of the present invention is a method for stripping false colors from textile materials, hereinafter also referred to as the stripping process according to the invention, characterized in that at least one copolymer is used as the stripping agent which contains at least 2 monoethylenically unsaturated monomers B1 and B2 polymerized in , where B1 and B2 each contain at least one nitrogen-containing heterocycle.
- the stripping process according to the invention relates to the removal of incorrect stains by vat, direct, reactive or sulfur dyes.
- the graft polymers described above are used.
- the stripping process according to the invention can be carried out under otherwise known conditions.
- the stripping process according to the invention is preferably carried out in an aqueous liquor, the liquor ratio being in the range from 1: 100 to 1: 5, preferably in the range from 1:25 to 1: 5.
- the concentration of the stripping agents according to the invention is in the range from 0.5 to 10 g / l liquor, in particular in the range from 2 to 4 g / l liquor.
- one or more dispersants are added to the liquor.
- suitable dispersants are naphthalene-sulfonic acid-formaldehyde condensation products which can be prepared, for example, by sulfonating naphthalene with oleum, partial or complete neutralization with, for example, aqueous alkali metal hydroxide solution and reaction with formaldehyde.
- suitable dispersants are described, for example, in US 4,218,218.
- amounts of 0.1 to 5 g dispersant / l of liquor preferably from 1 to "2 g / l suitable.
- one or more reducing agents for example sodium dithionite Na 2 S 2 O 4 , are added to the liquor.
- protective colloids are added to the fleet, for example protective colloids based on partially or completely neutralized polyacrylic acids.
- Suitable polyacrylic acids have an average molecular weight M w of, for example, 1000 to 200000 g / mol, preferably 1000 to 100000 g / mol and in particular 3000 to 70,000 g / mol.
- the completely neutralized polyacrylic acids are very particularly preferred.
- amounts of 0.1 to 5 g protective colloid / l liquor, in particular 1 to 2 g / l are suitable.
- amounts of 0.1 to 5 g protective colloid / l liquor, in particular 1 to 2 g / l are suitable.
- the stripping process according to the invention is usually carried out at a pH of 9 to 13.
- the stripping process according to the invention is usually carried out at a temperature above room temperature. Temperatures in the range from 50 ° C. to cooking temperature are particularly suitable, preferably at least 60 ° C.
- the duration of the stripping process according to the invention is usually at least 5 minutes to 2 hours, preferably 30 to 90 minutes.
- the stripping agents according to the invention After the treatment with the stripping agents according to the invention, one can rinse, wash and / or dry. In addition, it makes sense to neutralize with acids, in particular with non-volatile acids such as, for example, succinic acid, adipic acid, tartaric acid or citric acid.
- non-volatile acids such as, for example, succinic acid, adipic acid, tartaric acid or citric acid.
- Another object of the present invention is a method for the post-cleaning of dyed or printed textile, hereinafter also referred to as the post-cleaning method or the post-soaping method according to the invention.
- the post-soaping process according to the invention is carried out using one or more post-soaping agents according to the invention in a usually aqueous liquor.
- the liquor can contain foreign salts, for example NaCl or Glauber's salt, in amounts of up to 15% by weight, based on the liquor.
- the water used to produce the aqueous liquor does not have to be softened; Water hardness of up to 30 ° dH (German hardness) are conceivable.
- the post-soaping process according to the invention can be carried out at normal pressure, but increased pressures such as, for example, 1.1 to 5 bar are also conceivable.
- colored or printed textiles can be treated in one or more soap baths, temperature, pressure and pH conditions in the soap baths being able to be chosen to be the same or different.
- One to three, particularly preferably one or two, soap baths are preferably used.
- Pressure and temperature conditions are preferably the same in the different soap baths. If you want to use several soap baths, you usually dispose of the used liquors between the individual soap baths and add new fleets. It is possible to use soap baths with the same or with different compositions. However, at least one soap bath must contain one or more of the after-soap agents according to the invention.
- the concentration of the after-soap used in the soap bath or baths according to the invention is usually 1 to 8 g / l, preferably 1 to 4 g / l.
- At least one further component can be used, by means of which the post-cleaning of the textiles can be further improved.
- nonionic surfactants are suitable as further components, for example polyalkoxylated fatty alcohols.
- ethylene oxide, propylene oxide or butylene oxide, for example, or mixtures of the aforementioned epoxides are suitable; ethylene oxide is preferred.
- Suitable alcohols are C 10 -C 24 alcohols, in particular C 12 -C 18 alcohols.
- the degrees of alkoxylation are 10 to 40 equivalents of alkoxide per equivalent of fatty alcohol, in particular 15 to 30 equivalents of alkoxide per equivalent of fatty alcohol and in particular 20 to 25 equivalents of alkoxide per equivalent of fatty alcohol.
- the degree of alkoxylation is to be understood as an average value.
- Further components which can be used in the post-soaping process according to the invention are complexing agents, for example phosphorus-containing compounds such as polyphosphates or alkylidene-bisphosphonic acid compounds such as hydroxymethylidene-bisphosphonic acid.
- phosphorus-containing compounds such as polyphosphates or alkylidene-bisphosphonic acid compounds such as hydroxymethylidene-bisphosphonic acid.
- Aminoacetic acid derivatives such as, for example, nitrotrisrieslacetic acid or ethylenediaminetetraacetic acid and the respective corresponding alkali metal salts are also suitable.
- the pH of the soap bath or baths used in the process according to the invention is in the range from 4 to 12, preferably 5 to 11.
- the pH is particularly preferably neutral or slightly acidic.
- Organic carboxylic acids such as aliphatic monocarboxylic acids such as acetic acid, formic acid, propionic acid and aliphatic dicarboxylic acids such as adipic acid, succinic acid, citric acid or polycarboxylic acids are usually used to adjust the pH.
- Particularly preferred are carboxylic acids which only have a very low vapor pressure Have room temperature. Accordingly, aliphatic dicarboxylic acids, citric acid and polycarboxylic acids are preferred.
- variables i, j, k can independently represent 0 to 9.
- Carboxylic acids in which k is 0 or 1 and i and j independently of one another are from 1 to 6 are particularly preferred.
- Carboxylic acids in which i and j independently of one another are 1 to 4 and k are 0 or 1 are very particularly preferred. Mixtures of these carboxylic acids or mixtures of these carboxylic acids with citric acid are particularly preferred.
- Aliphatic dicarboxylic acids used with preference are succinic acid, glutaric acid, adipic acid, 2-methylsuccinic acid, 2 methylglutaric acid, 3-methylglutaric acid.
- Polycarboxylic acids used with preference come from the class of polyacrylic acids or their copolymers with maleic acids. They have an average molecular weight M n in the range from 1000 to 150,000 g / mol, preferably 2000 to 70,000 g / mol.
- the post-soaping process according to the invention is usually carried out at elevated temperatures. Temperatures of 50 to 100 C C and even higher temperatures under pressure are possible. Temperatures of 60 to 98 ° C. are preferred.
- the mass ratio of liquor to dyed or printed textile to be cleaned is usually 1: 4 to 1:40, preferably 1: 6 to 1:20.
- the fleet can be moved with the textile during the final cleaning.
- the exposure time per soap bath is not critical per se, 5 minutes to 10 hours, preferably 10 to 30 minutes, are customary.
- the textiles are usually rinsed with water.
- One to 6, preferably 2 to 4 rinse cycles are customary.
- Rinsing is usually carried out in the first rinsing bath (s) with warm water, i.e. Water at a temperature of 35 to 70 ° C.
- the last rinsing processes often take place at room temperature up to 40 ° C.
- the after-soaping process according to the invention gives very well cleaned textiles which contain extremely small amounts of unfixed dye and thus have a very good level of washing and contact fastness.
- Another object of the present invention are after-soap agents, the use of which allows the process according to the invention to be carried out particularly well.
- the after-soap compositions according to the invention contain at least one copolymer which contains at least 2 monoethylenically unsaturated monomers B1 and B2 in copolymerized form, each of which contains at least one nitrogen-containing heterocycle. Exemplary copolymers are described above.
- the copolymer contained in the after-soap compositions according to the invention is preferably a graft polymer.
- Exemplary graft polymers are described above.
- the after-soap agents according to the invention particularly preferably contain at least one graft polymer which are composed of
- polymeric graft base A which has no monoethylenically unsaturated units, and polymeric side chains B, formed from copolymers of at least two monoethylenically unsaturated monomers B1 and B2, each containing at least one nitrogen-containing heterocycle, and optionally further comonomers B3.
- the proportion of side chains B in the after-soap compositions according to the invention is preferably greater than 35% by weight.
- Preferred soaping agents contain, in addition to the graft polymers described above, further components, for example phosphorus compounds and nonionic surfactants, particularly suitable phosphorus compounds and nonionic surfactants being described above.
- the soaping agents according to the invention can be used as powder. However, they can also be used as an aqueous formulation, the water content being in the range from 5 to 95, preferably 20 to 90,% by weight, based on the sum of the components. It is preferred to use it as a liquid formulation, the metering of which can take place, for example, using an automatic metering system.
- Another object of the present invention is the use of the after-soap agents according to the invention for the after-cleaning of textiles which have been dyed with reactive dyes, direct dyes or vat dyes.
- the present invention also relates to a process for the post-cleaning of textiles dyed with reactive dyes, direct dyes or vat dyes, with the Post-cleaning is followed by the dyeing and is used to remove dye which is not bound to the textile.
- the present invention also relates to a process for the post-cleaning of textiles printed with reactive dyes, direct dyes or vat dyes, the post-cleaning following the dyeing and serving to remove dye which is not bound to the textile.
- the K value was determined according to H. Fikentscher, Cellulose-Chemie Vol. 13, pp. 58-64 and 71-74 at 25 ° C in 3% by weight aqueous NaCl solution and was 40.
- Percentage quantities are based on the weight of the textile.
- a fleet consisting of 0.3% by weight indanthrene gold orange G Colliosol, 0.5% by weight indanthrene dark blue BOA Colliosol, 12 ml sodium hydroxide solution 38 ° BE, 0.5 g / l graft polymer 1.5 g / l Na 2 S 2 O, made up to a volume of 1 l of liquor, were incubated for 10 min at 60 ° C. without textile.
- bleached cotton nettle 25 g were wound on a perforated metal basket and dyed in an airtightly closable stainless steel cylinder of 15 cm in diameter and 30 cm in height, which served as a dyeing vessel, over a period of 3 min 40 s at 60 ° C.
- the dyeing vessel was then opened and, after a total of 4 minutes of dyeing, a further 25 g of bleached cotton nettle (sample 2), wrapped on a perforated metal basket, was added to the dyeing vessel.
- the staining vessel was closed again and stained at 60 ° C. for a further 45 min.
- the dyed cotton nettle was then removed and rinsed three times by immersing it in 1 liter of cold water.
- the dyed cotton nettle (samples 1 and 2) was then oxidized in a 1 l liquor containing 2 ml / l of 50% by weight hydrogen peroxide solution at 55 ° C. for 5 min. This was followed by rinsing for 5 min at room temperature with water in the overflow.
- Samples 1 and 2 were then cleaned in a soap bath at 98 ° C. for 15 minutes.
- the soap bath was composed as follows: liquid volume 1 l, containing tend 1 g / l 90% by weight aqueous C 13 H 27 - (OCH 2 CH 2 ) 4 -OH and 0.5 g / l Na 2 CO 3 .
- the sample was then rinsed again at 55 ° C. for 1 min.
- samples 1 and 2 were spun and dried. In this way, equalized samples 1 and 2 were obtained.
- sample 1 and sample 2 were compared colorimetrically.
- sample 1 was taken as a reference and then the reflectance spectrum of the bleached cotton nettle with a spectrometer (X-rite CA22).
- the K / S values for both were calculated according to Kubelka-Munk. Then the K / S values of the bleached cotton nettle were subtracted from that of sample 1 in order to obtain the pure dye fraction of the K / S value of sample 1.
- the pure dye fractions of the K / S values obtained were then compared in the region of the maximum of the wavelength-dependent representation of the K / S values of sample 2.
- the K / S value of sample 1 was set to 100%.
- sample 1 and sample 2 should have identical color depths.
- Example 2.1.1 was repeated, but graft polymer 1 was replaced by polyvinyl pyrrolidone 1 with a molecular weight M w of 45,000 g / mol and a K value according to Fikentscher of 31, determined in 1% by weight aqueous solution.
- a pre-staining with a vat dye was used for the application test for use as a stripping agent. Percentages are based on the weight of the bleached textile. All other quantities are based on the fleet volume.
- the pre-dyed cotton nettle was then oxidized for 5 min at 55 ° C. in a 1 l liquor containing 2 ml / l 50% by weight hydrogen peroxide solution, rinsed for 1 min at room temperature in the overflow and then spun and dried.
- a blind dye liquor ie a dye liquor without colorant
- 12 ml / l sodium hydroxide solution 38 ° Be, 6 g / l Na 2 S 2 O 4 and 2 g / l graft polymer 1.
- 50 g of the pre-dyed cotton nesse ice cream described above were added to the blind dye liquor and heated to 80 ° C. in the course of 20 minutes and then treated at 80 ° C for 45 min. The mixture was then cooled to 60 ° C. in the course of 10 minutes and the cotton nettle pretreated in this way was removed at this temperature. It was again rinsed 3 times in approx. 1 l of cold water and then oxidized with 1 l of liquor containing 2 ml / l of 50% by weight hydrogen peroxide solution at 55 ° C. for 5 min.
- the reflectance spectrum of the pre-dyed cotton nettle was taken as a reference and then of the bleached cotton nettle with a spectrometer (X-rite CA22).
- the K / S values for both were calculated according to the Kubelka-Munk method.
- the K / S values of the bleached cotton nettle were then subtracted from that of the pre-dyed cotton nettle in order to obtain the pure dye component of the K / S value of the pre-dyed cotton nettle.
- the pure dye proportions of the K / S values obtained were then compared in the range of the maximum of the wavelength-dependent representation of the K / S values of the pre-colored cotton nettle.
- the K / S value of the pre-dyed cotton nettle was set to 100%. The higher the K / S value of the treated cotton nettle compared to the K / S value of the pre-dyed cotton nettle, the worse the peeling result was rated.
- the sample should have a color depth comparable to that of the cotton product used or no coloration should be detectable.
- the values for the pull-off result are given in% color depth from the pre-dyed cotton nettle.
- DA-MCT double anchor monochlorotriazine and VS vinyl sulfone anchor monochlorotriazine and VS vinyl sulfone anchor.
- the amount of dye hydrolyzate shown in Table 3 was made up to 1 I with water and adjusted to 20 ° DH with CaCl 2 .
- the hydrolysates thus diluted were applied to cotton fabric using a foulard (manufacturer Mathis, type no. HVF12085).
- the contact pressure of the rollers be ⁇
- the padded, not cleaned textile is also referred to below as padded textile. 2.3.3. General instructions for washing out the reactive dye (tests V1 to 60)
- the amount of the respective soaping agent from Table 2 given in Table 2 was dissolved in 1 l of water with 50 g of sodium chloride and adjusted to 10 ° DH with CaCl 2 . 200 ml of the liquor thus obtained were heated to 60 ° C. With the help of citric acid, the pH was optionally adjusted to the value given in Table 5. 10 g of a padded textile were added to the liquor and heated to the temperature given in Table 5 within 10 min. Allowed per soaping bath for 15 minutes to act, and then cooled to 60 C C, in the examples in which several Seifbäder were used respectively disposed the liquor after the first soaping bath and a new soaping bath was applied. In the experiments, the second soap bath with identical textiles was removed and pressed out by hand. It was then rinsed twice with 200 ml of cold water for 5 minutes each. It was then spun and the sample was dried at room temperature.
- the post-cleaning effect was evaluated as follows.
- the reflectance spectrum of the padded, dried textile was taken as a reference and then the untreated textile with a spectrometer (X-rite CA22).
- the K / S values for both textiles were calculated according to Kubelka-Munk.
- the K / S values of the untreated textile were then subtracted from the padded, dried textile in order to obtain the pure dye fraction of the K / S value of the padded, dried textile.
- the pure dye contents of the K / S values obtained were then compared in the region of the maximum of the wavelength-dependent representation of the K / S values of the padded, dried textile.
- the K / S value of the padded, dried textile was set to 100%. The higher the K / S value of the cleaned textile compared to the non-cleaned padded, dried textile, the worse the re-soaping effect was rated.
- the polyacrylic acid used for the after-soap S1 used in comparative examples is polyacrylic acid neutralized with NaOH and having an M w of 70,000 g, determined by gel permeation chromatography; pH 8.5, as 45% by weight aqueous solution.
- M w 70,000 g, determined by gel permeation chromatography
- pH 8.5 pH 8.5
- post-soap-free soap baths were used, ie the treatment of the padded textile was carried out with hot water at the stated pH.
- NC 16 H 33 - (OCH 2 CH 2 ) 25 -OH is hexadecanol ethoxylated with ethylene oxide, produced according to the following instructions:
- Printing pastes D1 to D8 were prepared by adding 80 g of the Alginate Manutex F 700), 10 g of p-nitrosulfonic acid Na salt, 100 g of urea and 25 g of Na 2 CO 3 and 5 g of sodium hexametaphosphate for water softening and 20 g of dye hydrolyzate according to Table 1 were mixed into a printing paste.
- the printing pastes D1 to D8 thus available had a dynamic viscosity of 3 Pa-s.
- a printing paste D1 to D8 was printed on an MBK flat film printing table with a magnetic doctor system (doctor blade diameter 10 mm; 12 m / min; train 6) using a flat template (gauze E50-55) on 100% cotton fabric.
- the mixture was then dried in a circulating air cabinet (from Mathis) at 80 ° C. until the pressure was completely dry.
- the prints were then fixed in a laboratory damper (Mathis, Labor HT damper Mathis GD) at 102 ° C for 10 min in an atmosphere saturated with water vapor. After the vapors, the pressure samples were re-soaped. 2.3.5.
- the amount of after-soap from Table 2 given in Table 3 was dissolved in 1 l of water with 50 g of sodium chloride and adjusted to 10 ° DH with CaCl 2 . 200 ml of the liquor thus obtained were heated to 60 ° C. With the help of citric acid, the pH was optionally adjusted to the value given in Table 3. 10 g of a printed textile were added to the liquor and heated to the temperature given in Table 3 within 10 minutes. The mixture was left to act for 15 minutes per soap bath and then cooled to 60 ° C., in the examples in which several soap baths were used, the liquor was disposed of after the first soap bath and a new soap bath was prepared. In the experiments, the second soap bath with the same composition was used. The textile was removed and squeezed out by hand. It was then rinsed twice with 200 ml of cold water for 5 minutes each. It was then spun and the sample was dried at room temperature.
- the post-cleaning effect was evaluated as follows.
- the reflectance spectrum of the printed, dried textile was taken as a reference and then the untreated textile with a spectrometer (X-rite CA22).
- the K / S values for both were calculated according to Kubelka-Munk.
- the K / S values of the untreated textile were then subtracted from the printed, dried textile in order to obtain the pure dye fraction of the K / S value of the printed, dried textile.
- the pure dye proportions of the K / S values obtained were then compared in the range of the maximum of the wavelength-dependent representation of the K / S values of the printed, dried textile.
- the K / S value of the printed, dried textile was set to 100%. The higher the K / S value of the cleaned textile compared to the non-cleaned printed, dried textile, the worse the re-soaping effect was rated.
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Description
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Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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DE10256618 | 2002-12-03 | ||
DE2002156618 DE10256618A1 (de) | 2002-12-03 | 2002-12-03 | Verfahren zum Nachreinigen von gefärbtem Textil |
DE2002161190 DE10261190A1 (de) | 2002-12-20 | 2002-12-20 | Verwendung von Copolymerisaten als Hilfsmittel für die Textilfärberei |
DE10261190 | 2002-12-20 | ||
DE2003121396 DE10321396A1 (de) | 2003-05-12 | 2003-05-12 | Verwendung von Copylymerisaten als Hilfsmittel für die Textilfärberei |
DE10321396 | 2003-05-12 | ||
PCT/EP2003/013463 WO2004050982A1 (de) | 2002-12-03 | 2003-11-28 | Verwendung von copolymerisaten als hilfsmittel für die textilfärberei und den textildruck |
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EP1570123A1 true EP1570123A1 (de) | 2005-09-07 |
EP1570123B1 EP1570123B1 (de) | 2009-06-17 |
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US (1) | US20060116311A1 (de) |
EP (1) | EP1570123B1 (de) |
AT (1) | ATE434076T1 (de) |
AU (1) | AU2003294749A1 (de) |
BR (1) | BR0316848B1 (de) |
DE (1) | DE50311617D1 (de) |
ES (1) | ES2327114T3 (de) |
PT (1) | PT1570123E (de) |
WO (1) | WO2004050982A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008004177A1 (de) | 2008-01-11 | 2009-07-16 | Basf Se | Wässrige Dispersionen, ihre Herstellung und ihre Verwendung |
DE102008040980A1 (de) | 2007-08-29 | 2009-03-05 | Basf Se | Verfahren zur Herstellung von koloriertem Papier oder Textil |
ES2397071T3 (es) | 2008-08-11 | 2013-03-04 | Basf Se | Método para postratamiento suave de textiles coloreados |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
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US2919279A (en) * | 1959-12-29 | N-vinyl | ||
US3054764A (en) * | 1958-03-10 | 1962-09-18 | Dow Chemical Co | Applicating solutions of poly-n-vinyl-5-methyl-2-oxazolidinone in aqueous glycol ether solvents |
US3097046A (en) * | 1960-08-24 | 1963-07-09 | Dow Chemical Co | Method and composition for dye-leveling |
US3097048A (en) * | 1960-08-24 | 1963-07-09 | Dow Chemical Co | Method and composition for dye-stripping |
LU72593A1 (de) * | 1975-05-28 | 1977-02-10 | ||
US4218218A (en) * | 1977-10-08 | 1980-08-19 | Basf Aktiengesellschaft | Stable finely dispersed aqueous formulations of disperse dyes and optical brighteners, and their use |
US4227881A (en) * | 1978-11-17 | 1980-10-14 | Royce Chemical Company | New process of color stripping dyed textile fabric |
US4546034A (en) * | 1980-01-21 | 1985-10-08 | The Celotex Corporation | Metal catalyzed preparation of polyoxyalkylene surfactants for phenolic foam stabilization |
DE3323010A1 (de) * | 1983-06-25 | 1985-01-03 | Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart | Kraftstoffzufuehrungseinrichtung fuer brennkraftmaschinen |
JPS61239090A (ja) * | 1985-04-15 | 1986-10-24 | 花王株式会社 | セルロ−ス系繊維染色物のソ−ピング剤 |
US4705525A (en) * | 1985-06-28 | 1987-11-10 | Ciba-Geigy Corporation | Water-soluble or water-dispersible graft polymers, process for their preparation and the use thereof |
DE3734159A1 (de) * | 1987-10-09 | 1989-04-20 | Bayer Ag | Egalisiermittel |
US5298565A (en) * | 1989-04-05 | 1994-03-29 | The Lubrizol Corporation | Graft copolymers and lubricants containing such as dispersant-viscosity improvers |
DE4235798A1 (de) * | 1992-10-23 | 1994-04-28 | Basf Ag | Verwendung von Vinylpyrrolidon- und Vinylimidazol-Copolymerisaten als Waschmitteladditiv, neue Polymerisate des Vinylpyrrolidons und des Vinylimidazols und Verfahren zu ihrer Herstellung |
DE4341072A1 (de) * | 1993-12-02 | 1995-06-08 | Basf Ag | Verfahren zur Herstellung von Polymerisaten von Alkyl-1-vinylimidazolen und ihre Verwendung |
DE19621509A1 (de) * | 1996-05-29 | 1997-12-04 | Basf Ag | Verwendung von wasserlöslichen, N-Vinylimidazol-Einheiten enthaltenden Copolymerisaten als Farbübertragungsinhibitoren in Waschmitteln |
DE19646437A1 (de) * | 1996-11-11 | 1998-05-14 | Basf Ag | Verwendung von quaternierten Vinylimidazol-Einheiten enthaltenden Polymerisaten als farbfixierenden und farbübertragungsinhibierenden Zusatz zu Wäschenachbehandlungsmitteln und zu Waschmitteln |
US5948125A (en) * | 1997-05-20 | 1999-09-07 | Ciba Specialty Chemicals Corporation | Method of treating dyed, natural or synthetic polyamide fibre materials |
US6217621B1 (en) * | 1999-07-09 | 2001-04-17 | Morton International Inc. | Textile substrate dye stripping |
US6447696B1 (en) * | 1999-07-30 | 2002-09-10 | Nippon Shokubai Co., Ltd. | Grafted polymer and its production process and use |
DE10156134A1 (de) * | 2001-11-16 | 2003-05-28 | Basf Ag | Pfropfpolymerisate mit cyclische N-Vinylamide enthaltenden Seitenketten |
DE10156135A1 (de) * | 2001-11-16 | 2003-06-05 | Basf Ag | Pfropfpolymerisate mit Stickstoffheterocyclen enthaltenden Seitenketten |
DE10156133A1 (de) * | 2001-11-16 | 2003-05-28 | Basf Ag | Pfropfpolymerisate mit Stickstoffheterocyclen enthaltenden Seitenketten |
-
2003
- 2003-11-28 ES ES03785689T patent/ES2327114T3/es not_active Expired - Lifetime
- 2003-11-28 US US10/537,268 patent/US20060116311A1/en not_active Abandoned
- 2003-11-28 WO PCT/EP2003/013463 patent/WO2004050982A1/de not_active Application Discontinuation
- 2003-11-28 DE DE50311617T patent/DE50311617D1/de not_active Expired - Lifetime
- 2003-11-28 AU AU2003294749A patent/AU2003294749A1/en not_active Abandoned
- 2003-11-28 AT AT03785689T patent/ATE434076T1/de active
- 2003-11-28 PT PT03785689T patent/PT1570123E/pt unknown
- 2003-11-28 BR BRPI0316848-4B1A patent/BR0316848B1/pt not_active IP Right Cessation
- 2003-11-28 EP EP03785689A patent/EP1570123B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
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See references of WO2004050982A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE434076T1 (de) | 2009-07-15 |
US20060116311A1 (en) | 2006-06-01 |
EP1570123B1 (de) | 2009-06-17 |
DE50311617D1 (de) | 2009-07-30 |
BR0316848A (pt) | 2005-10-18 |
WO2004050982A1 (de) | 2004-06-17 |
PT1570123E (pt) | 2009-07-23 |
ES2327114T3 (es) | 2009-10-26 |
BR0316848B1 (pt) | 2013-07-02 |
AU2003294749A1 (en) | 2004-06-23 |
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