Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
  • C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
  • C07D295/12—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms
  • C07D295/125—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
  • C07D295/13—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
  • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
  • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
  • C07D231/12—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
  • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
  • C07D233/56—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
  • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
  • C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
  • D06M13/35—Heterocyclic compounds
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
  • D06M13/35—Heterocyclic compounds
  • D06M13/352—Heterocyclic compounds having five-membered heterocyclic rings
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
  • D06M13/35—Heterocyclic compounds
  • D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
  • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
  • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
  • D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
  • D06P1/642—Compounds containing nitrogen
  • D06P1/6426—Heterocyclic 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
  • D06P5/22—Effecting variation of dye affinity on textile material by chemical means that react with the fibre
  • D06P5/225—Aminalization of cellulose; introducing aminogroups into cellulose

Definitions

• the cationizing compounds are used in a number of technological processes in the processing of cellulose in particular and are mainly used to increase the dyeability of textile fibers and to increase color fastness.
• the modification of the fiber material has been a known area of textile finishing for a number of years and is also known as the cationization of cellulose. It is mainly an improvement in the color strength of textile materials through anionic dyes.
• Various compounds for cationization primarily for cellulosic fibers, have been found over the past 25 years. In general, these compounds are characterized in that they have a quaternary nitrogen atom in their molecules and a reactive group which has the ability to etherify or esterify the alcohol groups -OH of the cellulose macromolecules.
• k is an integer from 2 to 4.
• the compound has two groups capable of reacting with the cellulose. Under certain circumstances, it can also cause cellulose to crosslink, which is undesirable from an exclusively coloristic point of view, and can be accompanied by a deteriorated textile feel.
• the process for the preparation of the compound of the general formula (VII) consists in the action of epichlorohydrin or epibromohydrin on the ethyl alcoholic solution of the imidazoI.
• the compounds of the general formula (VII) can be used in a manner similar to the dyeing of cellulosic material and also for stabilizing the dyeing and that of wool and genuine silk as well.
• X is a chlorine or bromine atom
• n is an integer from 3 to 8
• M is a cationic radical which is derived from a heterocyclic nitrogen-containing compound which is selected from a group consisting of imidazole and its alkyl derivatives with a carbon number of 1 to 6, benzimidazole, piperazine and its alkyl derivatives, pyrazole and its alkyl derivatives with a carbon number of 1 to 6, pyrazoline and its alkyl derivatives with a carbon number of 1 to 6 or a mixture of the specified compounds, was selected and
• R, and R 2 represent hydrogen atoms, alkyls or hydroxyalkyls with one
• the preparation with four to six connected heterocyclic nuclei has the most favorable application property.
• the reaction in connection preparation is difficult to steer only for the benefit of the preparation with four to four six linked heterocyclic nuclei and in the reaction mixture during the actual reaction are thus urgently formed and, as by-products, there are also molecules with a higher and also a lower degree of aggregation.
• the compounds of the general formula (I) react with alcohol groups of the macromolecules in an alkaline medium and that with alcohol groups of natural and also synthetic polymer materials, but especially with the macromolecules of cellulose, wool and real silk.
• the compounds according to the invention react with cellulose-like and also protein-like fibers in comparison with the previous type of substance. which is characterized by the formula (VII) is easier. One can therefore achieve the same result under moderate conditions.
• the compounds according to the invention can be used before the dyeing itself or after the dyeing, or before the printing or after the printing has been carried out.
• the compounds can also be used for stabilizing the coloration and the prints of cellulose-like and proteinaceous fibers, especially wool and real silk when using anionic dyes, especially direct dyes, reactive, metal complex and acid dyes . You can stabilize from the long fleet by block processes with subsequent deposition, damping or just drying.
• Compounds of the general formula (I) can be obtained by a reaction of 1-chloro-2,3-epoxypropane or 1-bromo-2,3-epoxypropane and a nitrogen-containing heterocyclic compound, selected from the group consisting of imidazole and its alkyl derivatives with a carbon number of 1 to 6.
• benzimidazole, piperazine and its alkyl derivatives with a carbon number of 1 to 6, pyrazole and its alkyl derivatives with a carbon number of 1 to 6, pyrazoline and its alkyl derivatives with a carbon number of 1 to 6 or mixtures of the specified compounds in a molar ratio n + 1: n contains, where n is an integer from 3 to 8, in the medium of an organic solvent which contains at least one starting substance of the reaction mixture dissolves, at a temperature of 10 to 90 ° C and a subsequent reaction of the intermediate formed in the aqueous medium either with ammonia, alkylamines, hydroxyalkylamines, arylamines or with a heterocyclic nitrogen-containing compound which from the group which imidazole, alkyl derivatives of imidazole with a carbon number of 1 to 6, benzimidazole, piperazine and its alkyl derivatives with a carbon number of substances from 1 to 6, pyrazole and its alkyl derivatives with a
• the primary reaction can of course also take place when the mixture of 1-chloro-2,3-epoxypropane and 1-bromo-2,3-epoxypropane is used with at least one product of the nitrogen-containing heterocyclic compound which is specified more highly.
• the following reaction of the resulting intermediate in the aqueous medium can also take place when at least one substance such as ammonia, alkylamines, hydroxyalkylamines, arylamines are used, and this when simultaneous use of at least one substance such as imidazole and its alkyl derivatives, benzimidazole , Piperazine and its alkyl derivatives.
• at least one substance such as ammonia, alkylamines, hydroxyalkylamines, arylamines are used, and this when simultaneous use of at least one substance such as imidazole and its alkyl derivatives, benzimidazole , Piperazine and its alkyl derivatives.
• imidazole and its alkyl derivatives benzimidazole
• Piperazine and its alkyl derivatives are simultaneous use of at least one substance such as imidazole and its alkyl derivatives, benzimidazole , Piperazine and its alkyl derivatives.
• the organic solvent used dissolves at least one starting component of the reaction mixture.
• the organic see solvents selected from a group, the lower alcohols with the carbon number from 1 to 6.
• polyfunctional alcohols with a carbon number from 2 to 10 acetone, aromatic hydrocarbons with a carbon number from 6 to 9, chlorinated aliphatic hydrocarbons with a carbon number of 1 to 5, contains.
• the specified groups of organic solvents can be applied individually or in a mixture.
• the compound of the general formula (II) is introduced in the first case by 1-chloro-2,3 epoxypropane and in the second case by 1-bromo-2,3 epoxypropane.
• the compound of the general formula (III) is in the first case by aliphatic amines with a carbon number of 1 to 5, in the second case by hydroxylamines with a carbon number 1 to 5, in the third case by arylamines with a carbon number 7 to 11 and in the fourth case presented by ammonia.
• Compound number 2 from the compound table can be obtained, for example, by reacting 6 mol of 2-methylimidazole with 7 mol of 1-chloro-2,3 epoxypropane in a diethylene glycol medium and a subsequent reaction with 1 mol of diethanolamine in a mixture with water, to prepare.
• Compound number 4 from the compound table is prepared, for example, by the reaction of 4 mol of imidazole with 5 mol of 1-bromo-2,3-epoxypropane in a toluene medium and a subsequent reaction with the water solution of the benzimidazole. The organic solvent is distilled off at the end of the reaction.
• the compounds of the general formula (I) are intended for the finishing of textile fibers, which in particular include cellulose-like and protein-like fibers.
• the type of finishing of textile materials consists in that an amount of 0.1 to 10 percent, based on the weight of the textile material, is added to these materials by means of a water liquor containing the compounds of the general formula (I) a value of ph Brisk in the range of 7 to 14, a temperature of 10 to 200 ° C and in a period of 10 seconds to 24 hours.
• reaction of compounds of general formula (I) with cellulose occurs even at temperatures above 0 ° C. and also from long liquors from which they draw almost entirely on the fiber, the reaction rate being determined by the temperature and alkalinity the fleet can increase.
• the compounds according to the invention react for cationization even in liquors with lower alkalinity.
• a reaction of 20 to 100 minutes is sufficient, depending on the temperature.
• the most favorable temperature range can be seen as 40 to 60 ° C.
• the compounds according to the invention are characterized by a very high degree of utilization, which is what an exceeding of all known compounds for cationization means.
• the cationization by the compounds according to the invention is justified not only for the soaking process but also for a semi-continuous and continuous process, where it significantly increases the dye utilization.
• Another important dye group for dyeing cationized cellulose-like fibers by compounds of the general formula (I) is formed by the metal complex-like dyes and that with the solubilizing groups and also without them. These dyes have excellent lightfastness and good wet fastness on the cellulose fibers which have been cationized by the compounds according to the invention.
• a process of cationization before dyeing by any group of anionic dyes is particularly advantageous if the dyed material contains dead and unripe cotton.
• the cationization of the protein fibers takes place in a weakly alkaline to neutral medium, which corresponds to a pH liquor of 7 to 8, at temperatures of 80 to 100 ° C. in the liquor application or with a mere drying at temperatures of 100 to 130 ° C.
• the preparations according to the invention improve the color strength of textile materials by means of anionic dyes and the resistance of this dyeing, shorten the dyeing time and enable dyeing with a lower concentration of the dye in the liquor, since more dye is added to the dyed material fixed. They also improve print quality. They can also be used after dyeing and after carried out printing to stabilize the dyeing and the prints on textile materials, which are carried out in particular by anionic dyes.
• the preparations according to the invention do not cause crosslinking and enable at least ninety-five percent dye utilization from the liquor, which has the advantage that a minimum of chemical substances enter the waste water. Due to the modification of cellulose fibers by the compounds according to the invention, it is also possible to dye these materials with dyes which are intended exclusively for dyeing wool or polyamide fibers.
• the cationization of compounds of the general formula (I) can also be used for various methods of effect dyeing in such a way that part of the colored substrate is cationized and part is not. In this way, different color densities or hues depending on the degree of cationization can be achieved during dyeing.
• This principle can be used, for example, for differential dyeing of wool yarns, ie the achievement of melange effects in a dyeing operation.
• Various degrees of cationization can be achieved on a wool substrate, including the use of an unbleached material in a subsequent dyeing without cationization or with one use apply the material with a basic color shade, which is covered during the subsequent coloring operation of the entire substrate.
• the temperature of the reaction mixture is raised to 90 ° C and this temperature is maintained for a further 120 minutes.
• the mixture is allowed to cool.
• This reaction mixture contains 50% of the active ingredient, predominantly compound 3 from the table of the compounds of the general formula (I) according to the invention.
• This compound is used before dyeing the wound cotton yarn on perforated tubes, which is usually pretreated at the same time as bleaching, and after washing out, the liquor is 1:10 in a liquor which is 3% of the Compound No. 3 from the table of compounds and 1, 5% sodium hydroxide contains processed.
• the yarn is treated by this liquor on the circulation dyeing apparatus in such a way that the specified cationization compound is only added at the temperature of 50 ° C., and after 10 minutes the dilute sodium hydroxide is gradually added.
• the material is treated at the same temperature for a further 45 minutes from the addition of the alkali. It follows the see with cold water, neutralize to pH 6.5 to 7 with acetic acid and wash again.
• the yarn is then dyed using a 2% reactive blue number C.1.4.
• Dyeing begins at 30 ° C, the temperature rises to 90 ° C in the course of 30 minutes and dyeing takes place at this temperature for 15 minutes, during which the dye is completely absorbed onto the coloring material.
• An anionic washing preparation is added to the dye liquor. For example, lauryl sulfate is added in an amount of 0.5 gr '.
• the yarn is treated in this liquor at a temperature of 90 to 95 ° C., the dyeing being ended by washing with hot and cold water.
• the final dyeing is characterized by a high dye utilization, very good resistance, the dyed yarn has a soft, supple feel, which means that further processing of the yarn is facilitated.
• Example 1 the first part of the reaction is carried out immediately with Example 1. Instead of the aqueous solution of diethanolamine, 150 l of aqueous solution containing 4.76 kg of NH are metered in in the second reaction phase. The reaction proceeds under the same conditions as in Example 1.
• the reaction mixture contains 50% of the active ingredient, predominantly compounds of the formula No. 1 from the table of the compounds.
• a knitted fabric made from the mixture of 80% cotton and 20% viscose cellulose is treated in such a way that the usual one-stage bleaching is carried out with the cooking process and after washing, the knitted fabric is placed in a liquor which is 4% higher contains specified compound of formula No. 1 from the table and 2% sodium hydroxide, cationized.
• the knitted fabric is treated at a temperature of 50 ° C., the dosing preparation and after 20 minutes a dilute solution of the sodium hydroxide is gradually added. After the addition of sodium hydroxide, the knitted fabric is treated in the liquor for a further 60 minutes at an unchanged temperature. After washing and neutralization, the reactive green No. CI 8 stains with a saturation of 3.5%.
• the dyeing starts at 30 ° C, the temperature increases to 90 ° C over the course of 45 minutes and dyeing is continued at this temperature for a further 30 minutes. After this time, lauryl sulfate is added to the liquor in an amount of 0.5 gr '.
• the knitted fabric is treated in this liquor for a further 15 minutes and the dyeing is ended by brief washing with gradual cooling of the liquor by the influx of cold water.
• the knitted fabric is characterized by a high color fastness, a uniform color covering of both mixture components, the shrinkability of the material being suppressed in comparison to the cotton processing. During the dyeing, the dye was fully used and the waste water was practically not contaminated at all.
• the final coloration has a high resistance
• a fabric equipped in this way has favorable properties from the point of view of the handle, has a reduced tendency to form pills, has a reduced electrostatic charge and has an improved hydrophilicity.
• 193.9 g of imidazole are dissolved in 200 g of acetone in a glass apparatus which is provided with a mixer.
• the solution is heated to 40 ° C. and 396.1 g of l-chloro-2,3-epoxypropane are gradually metered in over the course of 120 minutes while maintaining the temperature.
• 350 g of water are added as follows, the mixture is heated to 95 ° C. and 51.3 g of benzylamine are added in the course of 45 minutes. The temperature of 95 ° C. is maintained for a further 60 minutes.
• the reaction mixture contains 50% of the active substance, predominantly compound No. 7 from the table of the compounds according to the invention.
• the wool fabric is dyed by the usual technology with the dye acidity blue No. Cl.78 to a saturation of 1.2% at a temperature of 25 ° C. in a period of 25 ° C. in a liquor Contains 2.5% of compound no. 7 from the table of the compounds, stabilized, the percentage of liquor stated being based on the weight of the textile.
• the result of the stabilization is increased water fastness and sweat fastness.
• the admission value on the wool material improved by one degree.
• N-ethylpiperazine 114 g are mixed with 100 g of ethyl alcohol in a glass flask equipped with a mixer and reflux condenser. The mixture is heated to a temperature of 50 ° C. At this temperature, 115 g of l-chloro-2,3 epoxypropane are slowly metered in over the course of 120 minutes. The reaction temperature is obtained by cooling at a distance of 50 to 55 ° C. After the entire amount of l-chloro-2,3 epoxypropane has been added, the mixture is left for a further 30 minutes and after this time it takes 20 minutes 172 g of 25% solution of NH and 50 g of water were added.
• the reaction mixture contains 57.6% of the active substance, mainly compounds no.8 from the table of compounds.
• a cotton fabric is obtained, which by the usual technology on the jigger by the dye straight blue No. Cl. 106 was dyed, stabilized in a saturation of 2% and was washed due to the removal of the surface-adhering dye.
• the stabilization is carried out at a temperature of 30 ° C. and over a period of 30 minutes, after which the textile is dried. The result of the stabilization is increased water resistance and fastness to washing.
• the knitted fabric is processed for a further 30 minutes at the same temperature. This is followed by washing in water at 40 ° C. for 5 minutes and neutralization in a liquor containing 1 ml.r 'acetic acid, at a temperature of 30 ° C. and for 10 minutes.
• the final deep color has a water resistance of 4-5 / 4-5 / 5 and a fastness to washing at 60 ° C 4-5 / 4-5 / 4-5.
• the color density was double in comparison with the conventional dyeing process.
• the compound number 9 used from the compound table was created by the reaction of 2-pyrazoline, 1-chloro-2,3-epoxypropane, 2-aminoethyl alcohol and NaOH.
• the linen fabric is placed on the paddle by a fleet of 18 gr 1 of the contains bond No. 6 from the table of compounds and 2 gl 'NaOH, soaked.
• the tissue is squeezed to 80% and dried through the hot-melt passage at 130 ° C. This is followed by washing out with water through the roller skid passage and drying on the rotary dryer.
• the final black color has a water resistance of 5 / 4-5 / 5 and a fastness to washing at 60 ° C 4-5 / 4-5 / 4-5.
• the dye was fully used in the course of dyeing.
• Compound number 6 from the compound table was obtained by reacting 4 moles of imidazole, 1 mole of benzimidazole, 6 moles of 1-chloro-2,3-epoxypropane in an ethyl alcohol medium and then by reaction with 1 mole of imidazole. which is dissolved in the water.
• the wool fabric is soaked in a liquor which contains 20 g of compound no. 3 from the table of compounds and 10 g of NaHCO 3 .
• the liquor temperature is 20 ° C, the squeezing 80%. This is followed by drying at a temperature of 110 ° C. on the drying tenter, washing and dyeing on the dyeing reel.
• the dye acidity blue No. Cl. 15.3% used.
• the beginning of the dyeing is at 30 ° C. together with the dye, 1.5% of the ammonium sulfate is metered in. The temperature of the dye becomes 30 minutes cooking increases and when cooking, dyeing is continued for 30 minutes.
• the deep blue color is washfast at 40 ° C 5-4 / 5-4 / 5-4, and water resistance 5 / 5-4 / 5-4.
• 110.2 g of 2 (1- methylethyl) -1H imidazole are mixed in 200 g of isopropyl alcohol in a glass flask which is provided with a reflux condenser, a mixer and a thermometer. After heating to 50 ° C., 111 g of l-chloro-2,3-epoxypropane are slowly added over the course of 60 minutes, the temperature being obtained by cooling in the range of 50 ⁇ 2 ° C. After the metering in of 1-or-2,3-epoxypropane, the mixture is left to react at 50 ° C. for a further 30 minutes and 13.6 g of imidazole and 35 g of H 2 O are added over the course of 15 minutes. The temperature is raised to 60 ° C and the mixture is left to react for a further 30 minutes.
• the reaction product contains 49.8% of compound number 11 from the compound table.
• Example 1 In the duplicator according to Example 1, the reaction is carried out immediately until 23 kg of 1-methylimidazole and 113.6 liters of water are added instead of 9.4 kg of diethanolamine. The reaction run is selected the same as in Example 1.
• the final reaction mixture contains 50% of the active ingredient, predominantly compound number 10 from the compound table.
• the reaction mixture contains 60.8% of the active substance, predominantly compounds number 5 from the compound table.
• the reaction product contains 49.1% of compound number 12 from the compound table.
• the reaction is carried out in the same way until the time when the aqueous solution of diethanolamine is added. Instead of 29.4 kg diethanolamine, 14.7 kg diethanolamine and 11.3 kg imidazole are dosed.
• the result of the reaction is a product that contains compounds numbers 3 and 13 from the connection table.

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Coloring (AREA)

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Citations (1)

• 1994
  • 1994-05-09 CZ CZ941138A patent/CZ280443B6/cs not_active IP Right Cessation
• 1995
  • 1995-05-09 WO PCT/CZ1995/000006 patent/WO1995030792A1/de not_active Application Discontinuation
  • 1995-05-09 EP EP95917254A patent/EP0708856A1/de not_active Withdrawn

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