US3538151A - Diphenyloxide sulfone sulfonic acids - Google Patents

Diphenyloxide sulfone sulfonic acids Download PDF

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US3538151A
US3538151A US620231A US3538151DA US3538151A US 3538151 A US3538151 A US 3538151A US 620231 A US620231 A US 620231A US 3538151D A US3538151D A US 3538151DA US 3538151 A US3538151 A US 3538151A
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acid
parts
formula
condensation
dyeing
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Hans-Peter Baumann
Robert-Christian Keller
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Sandoz AG
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/91—Dibenzofurans; Hydrogenated dibenzofurans
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C317/00—Sulfones; Sulfoxides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C317/00—Sulfones; Sulfoxides
    • C07C317/14—Sulfones; Sulfoxides having sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C317/00—Sulfones; Sulfoxides
    • C07C317/16—Sulfones; Sulfoxides having sulfone or sulfoxide groups and singly-bound oxygen atoms bound to the same carbon skeleton
    • C07C317/22—Sulfones; Sulfoxides having sulfone or sulfoxide groups and singly-bound oxygen atoms bound to the same carbon skeleton with sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C07C323/64—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and sulfur atoms, not being part of thio groups, bound to the same carbon skeleton
    • C07C323/66—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and sulfur atoms, not being part of thio groups, bound to the same carbon skeleton containing sulfur atoms of sulfo, esterified sulfo or halosulfonyl groups, bound to the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/50—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
    • C07D333/76—Dibenzothiophenes
    • 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
    • D06P1/56—Condensation products or precondensation products prepared with aldehydes
    • 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
    • D06P1/62—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 with sulfate, sulfonate, sulfenic or sulfinic groups
    • 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
    • D06P1/62—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 with sulfate, sulfonate, sulfenic or sulfinic groups
    • D06P1/621—Compounds without nitrogen
    • 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
    • D06P1/62—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 with sulfate, sulfonate, sulfenic or sulfinic groups
    • D06P1/621—Compounds without nitrogen
    • D06P1/622—Sulfonic acids or their salts
    • D06P1/625—Aromatic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/24—Polyamides; Polyurethanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/82—Textiles which contain different kinds of fibres
    • D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
    • D06P3/8209—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing amide groups
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/92—Synthetic fiber dyeing
    • Y10S8/924—Polyamide fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/92—Synthetic fiber dyeing
    • Y10S8/926—Polyurethane fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/92—Synthetic fiber dyeing
    • Y10S8/927—Polyacrylonitrile fiber

Definitions

  • Levelling agents for dyeing anionic dyestuffs are constituted by diphenylene oxide sulphones, hydroxydiphenylene oxide sulphones, diphenyl oxide sulphones, diphenyl sulphide sulphones, mixtures of these with sulphonated aromatic hydrocarbon oils, their alkali metal and ammonium salts and/or condensation products, and reaction products of these sulphones with formaldehyde or dimethylol urea; an example of dyeing with such a levelling agent is also given.
  • the use of these levelling agents avoids stripy or ringy appearance of certain nylon yarns, especially when these are mixed with spandex type fibres.
  • Polyamide fibres can be dyed With anionic dyestulfs, but frequently the resulting dyed goods have a stripy or ringy appearance due to an uneven adsorption and distribution of dye. Furthermore, mixtures of polyamide fibres and elastomeric polyurethane fibres or yams as are used for making Woven or knitted fabrics cannot easily be level dyed in equal colour shades with anionic dyestuffs as these are preferentially adsorbed on the polyamide fibres, thus leaving the polyurethane fibres in a much paler shade and causing the fabrics to be stripy.
  • the present invention provides sulphones of the for- I 1) wherein m represents 1 or 2,
  • n 1, 2 or 3
  • a and A are identical with or different from one another ice and each represents the radical of a compound of the formula wherein each of Z and Z represents a hydrogen atom or Z together with Z represents a single bond,
  • each of Z and Z represents hydrogen, halogen, lower alkyl or alkoxy, hydroxy, carboxy or optionally substituted phenyl,
  • the present invention also provides a process for the production of the above sulphones (I), which is characterized in that a compound of the Formula II or a mixture of two or more such compounds is treated with a sulphonating agent until the resulting condensation product contains at least one sulphur atom in the form of a sulphonyl radical and at least one in the form of a sulphonic acid radical.
  • Suitable compounds of the Formula II are, for example, phenoxybenzene, phenyl thiobenzene and their derivatives containing 1 to 4 substituents, for instance halogen atoms (e.g. chlorine atoms), lower alkyl or alkoxy radicals (e.g. methyl, ethyl, methoxy, ethoxy) or hydroxy or carboxy radicals; further examples of compounds of Formula II are 4- or 3-phenoxy-diphenyl, di-benzofuran and 3-hydroxy-dibenzofuran.
  • substituents for instance halogen atoms (e.g. chlorine atoms), lower alkyl or alkoxy radicals (e.g. methyl, ethyl, methoxy, ethoxy) or hydroxy or carboxy radicals
  • further examples of compounds of Formula II are 4- or 3-phenoxy-diphenyl, di-benzofuran and 3-hydroxy-dibenzofuran.
  • Compounds of the Formula II may be used individ ally or in admixture with one another. However, it is likewise possible to use a mixture consisting of one or more compounds of the Formula II and one or more aromatic hydrocarbons which may optionally be substituted with one or more halogen atoms, alkoxy or hydroxy radicals, providing that the mixture has a content of one or more compounds of Formula II of at least 30%, preferably over 50%, e.g. about
  • aromatic hydrocarbons which may optionally be substituted with one or more halogen atoms, alkoxy or hydroxy radicals are: benzene and its derivatives, e.g.
  • methyl-benzene dimethylbenzene, ethylbenzene, isopropylbenzene, chlorobenzcne, methoxybenzene, hydroxybenzene, hydroxymethylbenzene, hydroxychlorobenzene, diphenyl and its derivatives, e.g. 2- or 4-hydroxydiphenyl, and naphthalene and its dcrivatives, e.g. 1- or 2-hydroxynaphtl1alene.
  • Suitable sulphonation agents are: to sulphuric acid, 0 to 65% oleum, chlorosulphonic acid, amidosulphonic acid, sulphur trioxide or sulphuryl chloride or mixtures of, e.g., 100% sulphuric acid and chlorosulphonic acid.
  • the sulphonation agent is advantageously used in an amount of from 1 to 2 mol, preferably 1.2 to 1.7 mols, (calculated as 100% sulphuric acid) for every mole of the compound of Formula II).
  • the sulphonating agent e.g. up
  • reaction it is possible to effect the reaction in one stage, e.g. in a single tub, or in two or even three stages; the reaction, e.g., may be started at room temperature and completed at about 220 C. It is advantageous to effect first a sulphonation with 90 to 100% sulphuric acid, with to 65% oleum, with chlorosulphonic acid or with sulphur trioxide at an initial temperature of 20, then rising to 150 C. and then to condense the resulting monoor polysulphonic acid at a temperature of from 150 to 220 C., optionally in the presence of a condensation agent (e.g.
  • the condensation being either intercondensation or with a further compound of Formula II or with an aromatic hydrocarbon optionally substituted with alkoxy or hydroxy groups.
  • the condensation is effected in such a way that the entire sulphonation mass or the sulphonic acid, after isolating it from the sulphonation agent and preferably drying, or its ammonium salt, if desired with the addition of a further compound of Formula II or an aromatic hydrocarbon which may optionally be substituted with halogen, alkoxy or hydroxy groups, is heated to temperatures of from 150 to 190 C. at atmospheric pressure or preferably at reduced pressure.
  • the pressure is suitably reduced, e.g. to below 20 mm. of Hg. This may be effected by continuously or stepwise reducing the pressure to a final value of to mm. of Hg (water pump) or 1 to 20 mm. of Hg, preferably 1 to 10 mm. of Hg, (vacuum pump). It is evidently possible to effect the condensation at a pressure which is more than 20 mm. of Hg, e.g.
  • the duration of the sulphonation depends on the specific compound of the Formula II used, the sulphonation agent used, the desired degree of sulphonation and the sulphonation temperature and amounts to, e.g., 1-4 hours at 100 C. using 1.5 mols of 100% sulphuric acid per mol of diphenyl oxide.
  • the duration of the condensation likewise depends on many factors, e.g. the temperature, the pressure and the degree of condensation. As a control test it is possible to measure the amount of water split off or the total acid content of a sample of condensation mass, the difference between the acid content at the beginning and that at the end of the condensation being a measure of how far the reaction has proceeded.
  • condensation products are insufiiciently water soluble or have an unsuitable afiinity for fibres, it is possible to after-sulphonate them to impart to them the required solubility in Water or aflinity to fibres when they are used, e.g., as dyeing auxiliaries.
  • the sulphonation agent concentrated sulphuric acid, oleum or chlorosulphonic acid and working is effected under the conditions mentioned for the sulphonation, if necessary in the presence of an organic solvent.
  • the condensation products may be after treated with formaldehyde or a methylol radical containing connecting agent, e.g. dimethylol urea, polymethylol melamine, preferably using alkaline or acid conditions.
  • thefree sulphonic acid radicals may be neutralized with an ammonia solution and the resulting solutions, if desired after filtering to clearness, may be evaporated to dryness or dried in a jet drier or used as such.
  • ammonia solution it is possible to neutralize with a sodium, potassium, or lithium hydroxide solution, a sodium or potassium carbonate solution or, alternatively, the solid carbonates or bicarbonates of sodium, potassium or lithium.
  • Further suitable neutralizing agents are magnesium oxide or carbonate, calcium oxide, hydroxide or carbonate, further solutions of water soluble amines, e.g., methylamine, dimethylamine, trimethylamine, ethylamine, ethanolamine, diethanolamine, triethanolarnine, as well as the corresponding propanolamines and hexamethylenetetramine.
  • the condensation products resulting by treatment with formaldehyde or with a methylol radical containing connecting agent in alkaline medium may be neutralized with sulphuric acid or another acid, e.g. hydrochloric, acetic, formic or also phosphoric acid or with an organic sulphonic acid (methane, benzene or 4-methylbenzene sulphonic acid), while in the case of treatment in acid medium with formaldehyde or with methylol radicals containing connecting agents there may be used the above bases.
  • sulphuric acid or another acid e.g. hydrochloric, acetic, formic or also phosphoric acid or with an organic sulphonic acid (methane, benzene or 4-methylbenzene sulphonic acid)
  • the sulphones of Formula I and their above derivatives are very suitable as textile auxiliaries, especially for level dyeing polyamide fibres showing stripes or rings on normal dyeing with anionic dyestuffs, as they are able to regulate the absorption rate and the dye distribution of anionic dyestuffs in fibres to be dyed.
  • they can likewise be used very successfully for dyeing in a uniform shade mixtures of synthetic polyamide fibres and elastomeric fibres on a basis of polyurethanes which are polycondensation products of diols and di-isocyanates, e.g.
  • anionic dyestuffs designates dyestuffs which are capable of forming coloured anions in aqueous dye liquors, for example acid level dyestuffs, milling dyestuflfs, 1:1- and 1:2 metal complex dyestuffs, chrome dyes, direct dyes and reactive dyes.
  • the conditions under which dyeing is effected are essentially those usual for the specific anionic dyestuff used e.g. temperatures of from to 140 C., preferably to 130 C., an elevated pressure being used when the dyeing temperature exceeds C.; liquor ratios of 1:5 up to 1:200, preferably from 1:10 up to 1:100; pH values of from 2 to 8 depending on the dyeing properties of the dyestuff used when the treatment of the fibres with the sulphone of the present invention is carried out in the dye bath itself.
  • treatment with the sulphone of the present invention may likewise be effected before the actual dyeing and this at temperatures of about 20 C. to 100 C., preferably at 50 to 100 C. under weakly acid conditions, e.g. in an acetic acid medium.
  • the fibres treated in this way may be removed from the liquor, rinsed with water, optionally dried and then brought into a freshly prepared dye bath and dyed therein, or dyed directly in the treatment bath after adding thereto to a dyestuff and optionally one or more dyeing assistants, for example salts, acids, metallizing agents and surface active agents.
  • the quantity of sulphone of the invention used will depend, inter alia, on the nature of the fibres to be dyed, the amount and structure of the dyestulf used for dyeing, the pH value of the dye bath, the dyeing temperatre and the duration of the operatiton. This amount may vary between 0.02 to 20% by weight, preferably 0.1 to by weight, based on the material to be dyed.
  • the dye bath there may be added to the dye baths buffer substances, e.g. hexamethylenetetramine, disodiumphosphate, tetrasodiumpyrophosphate, urea or ammonium rhodanide.
  • buffer substances e.g. hexamethylenetetramine, disodiumphosphate, tetrasodiumpyrophosphate, urea or ammonium rhodanide.
  • non-ionic, anionic or cationic capillary active compounds providing they do not produce precipitate with the dyestuff and the sulphone.
  • the sulphones of Formula I possess the great advantage that they practically do not foam as do the known sulphonated diphenyl oxides which contain a long aliphatic chafn; furthermore, they are very good dispersing agents in acid or neutral medium and also, in contrast to e.g. sodium dinaphthylmethanedisulphonate, in alkaline medium.
  • the dyeings which can be obtained in accordance with the dyeing examples given hereinafter are level and of uniform shade, and otherwise possess the good properties which are peculiar to the anionic dyestuffs used.
  • Ph is the phenyl or phenylene radical respectively, n is 1, 2 or 3, and m is 1 or 2.
  • EXAMPLE 1 168 parts of diphenylene oxide (i.e. dibenzofuran) (1 mol) together with 147 parts of 100% sulphuric acid (1.5 mols) are heated for 4 hours to 100. The temperature is subsequently increased during 2 hours to 140 and condensing is first effected for 2 hours at 140 at a pressure of 13 mm. of Hg and then for a further 3 hours at 160 at a pressure of 3 mm. of Hg. The resulting product has an acid content of 45S mvaL/ 100 g. of product (titrated against Congo red). While the melt is still hot it is removed from the reaction vessel and allowed to cool, whereby a solid cake results on solidification. The resulting light brown product may be pulverized and stored as such or stirred with an equal quantity of water, the resulting mass neutralized with 30% sodium hydroxide solution and evaporated to dryness.
  • diphenylene oxide i.e. dibenzofuran
  • the light brown powdered sulphone has the following formula:
  • EXAMPLE 3 147 parts of 100% sulphuric acid are slowly added to 170 parts of diphenyl oxide and heated for 4 hours to 100. Subseqlently the pressure is reduced to 20 mm. of Hg and the temperature is raised during 2 hours to 160. At this temperature condensation is effected for 4 hours. The pressure is then reduced further to 3 mm. of Hg and condensation is continued until a sample of the condensate has an acid content of 374 mval./ 100 g. of resin (titrated against Congo red). The hot melt is removed from the reaction vessel and allowed to solidify.
  • the resulting light brown product can be pulverized and stored as such or it is mixed with the same weight of water, neutralized with concentrated ammonia solution and the solution is adjusted to a 40% content of active substance (calculated as ammonium salt).
  • the light brown powdered product has the followin formula:
  • EXAMPLE 4 246 parts of a yellow brown oil having a neutral reaction and containing phenoxy-diphenyl as the main constituent (the physical properties of this oil are density: 1.139, solidification point: 0, boiling point: 270350) together with 148 parts of 100% sulphuric acid are heated for 4 hours to 100. Subsequently the pressure is reduced to 17 mm. of Hg and the temperature is increased to during 2 hours. The pressure is then further 10W- ered to 2 mm. of Hg and the temperature increased to 15 0. Condensation is then effected until a sample of the condensate has an acid content of 350 mvaL/ 100 g. of resin (titrated against Congo red).
  • Example 3 The resulting sulphone is worked up in the manner described in Example 3. It can likewise be isolated in the form of the sodium salt as described in Example 1. It has equally good properties as the product of Example 3.
  • the sulphone has the following formula:
  • EXAMPLE 5 Working is effected in the manner described in Example 3, but using 127.5 parts of diphenyl oxide and 70.5 parts of hydroxybenzene and the condensation is effected at and 3 mm. of Hg until the acid content has fallen to 355 mval./ 100 g. of product (titrated against Congo red).
  • Sulphones with similar properties are also produced by using 170 parts of diphenyl oxide and 47 parts of hydroxybenzene or the equivalent amount of, e.g., a methyl-hydroxybenzene mixture, xylene or naphthalene.
  • EXAMPLE 6 117 parts (1.2 mols) of 100% sulphuric acid are slowly added to 166 parts (1 mol) of a mixture of 26.5% diphenyl and 73.5% diphenyl oxide. The mixture is first heated to 100 for 4 hours, the pressure reduced to 17 mm. of Hg and the temperature increased to 160 during 2 hours. Condensation at this temperature is effected for 4 hours, the pressure is reduced to 3 mm. of Hg and the reaction temperature is increased to 180. Condensation is then effected until a sample of the condensate has an acid content of 348 mval./ 100 g. (titrated against Congo red).
  • the sulphone is worked up in the manner described in Example 1 and is a mixture corresponding to the following formulae:
  • EXAMPLE 7 170 parts (1 mol) of diphenyl oxide are placed into 245 (2.5 mols) of 100% sulphuric acid and heated to 130 for 2 hours. The acid content of a sample then amounts to 755 mval./100 g. (titrated against Congo red). The pressure is then lowered to 11 mm. of Hg and the resulting water is removed; the acid content then rises to 770 mval./ 100 g. The pressure is again allowed to rise to 760 mm. of Hg and 340 parts (2 mols) of diphenyl oxide are added at 130 and the mixture is heated to 210; this is first kept for 2 hours at 210 and 760 mm.
  • EXAMPLE 8 170 parts (1 mol) of diphenyl oxide are dissolved in parts of acetic acid anhydride at room temperature. 98 parts of 100% sulphuric acid are added dropwise to this solution during about 20 minutes and the temperature is allowed to rise to 95100, whereby the solution becomes progressively darker. Further heating to is then effected for 1 hour and the sulphonation mixture is poured into 750 parts of ice water. A small amount of undissolved material is filtered off and the initially oily filtrate is subjected to water vapour distillation to remove excess diphenyl oxide. The aqueous solution is then evaporated at a reduced pressure.
  • the resulting residue having an acid content of 535 mval./10O g., is heated to 160 at a pressure of 6 mm. of Hg until the acid content is 355 mval./ 100 g., and working up as in Example 3 is effected.
  • EXAMPLE 9 174.5 parts (1.5 mols) of chlorosulphonic acid are added dropwise, while cooling well and stirring, to 170 parts (1 mol) of diphenyl oxide during several hours, so that the temperature amounts to about 30. The sulphonation takes place with strong hydrogen chloride evolution. The mixture is then heated for 2 /2 hours to -140, the acid content amounting to 490 mval./100 g., then for several hours to at a pressure of 5 mm. of Hg, the acid content thereby falling to 390 rnval./100 g. (titrated against Congo red).
  • EXAMPLE 1O 50 parts of acid resin produced according to Example 3 are mixed with 36 parts of 30% sodium hydroxide solution and condensed with 4.5 parts of dimethylol urea at temperatures of 50-60 for about 6 hours until a sample of the condensate is Water soluble. The excess of sodium hydroxide is then neutralized with dilute sulphuric acid and the entire material is evaporated to dryness. A light brown water soluble powder results.
  • EXAMPLE 11 50 parts of acid resin produced according to Example 3 are made alkaline with 34 parts of 30% sodium hydroxide solution, 11 parts of 37% formaldehyde solution are added and condensation at temperatures between 95 and 105 is efiected until formaldehyde odour is no longer detectable. The sodium hydroxide excess is neutralized with dilute sulphuric acid and all the material is evaporated to dryness. A light brown water soluble powder results.
  • Example 6 A similar result is obtained by using the sulphone of Example 6 instead of that of Example 1.
  • Dyeing Example (B) 100 parts of a nylon 6.6 material which tends to become stripy on dyeing without special treatment, are dyed in 4000 parts of a dye bath liquor containing 0.3 part of sodium 1 amino 4 (4'-acetyla1ninophenylamino)- anthraquinone-Z-sulphonate, 4 parts of 85% formic acid and 2.5 parts of the solution of ammonium salt described in Example 3.
  • the material is put into the dye bath at 50, this is heated during 45 minutes to 98 and kept for 1 hour at 98-100".
  • the dyed material is removed from the bath, rinsed with Water and dried. A greenish blue dyeing results which is level and free of stripes.
  • Y represents a member selected from the group consisting of hydrogen, NH alkali metal, alkaline earth metal and an amino group containing one or more alkyl groups of 1 to 3 carbon atoms.

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US620231A 1966-03-11 1967-03-03 Diphenyloxide sulfone sulfonic acids Expired - Lifetime US3538151A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030880A (en) * 1975-10-09 1977-06-21 E. I. Du Pont De Nemours And Company Process for improving dyeability
US4386037A (en) * 1980-03-28 1983-05-31 Sandoz Ltd. Sulphonic acids of tolyl ether sulphones
US5110317A (en) * 1987-09-28 1992-05-05 Allied-Signal Inc. Methods and compositions to enhance stain resistance of dyed nylon carpet fibers: thiocyanate to reduce yellowing
US5230708A (en) * 1987-09-28 1993-07-27 Allied-Signal Inc. Methods and compositions to enhance stain resistance of nylon carpet fibers: thlocyanate to reduce yellowing
US20080051574A1 (en) * 2004-12-10 2008-02-28 Rakesh Ratnam Control of Ph By Direct Addition of Carbonates and Bicarbonates During Concentration of Organics Solvent Extracts of 6-Acetyl-4,1',6' Trichlorogalactosucrose and 4,1',6' trichlorogalactosucrose

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5240465A (en) * 1990-06-09 1993-08-31 Sandoz Ltd. Process for reactive dyeing a cellulose-containing textile material with anionic dyeing assistant as levelling agent
BE1004655A3 (fr) * 1990-06-09 1993-01-05 Sandoz Sa Procede de teinture des matieres textiles contenant de la cellulose.
US5382264A (en) * 1992-10-07 1995-01-17 Uki Supreme Corporation Process for dyeing spandex fibers
US5295998A (en) * 1993-02-02 1994-03-22 Liquid Carbonic Industries Corporation Adjusting pH in dyeing processes using CO2
CH689135B5 (de) * 1993-11-19 1999-04-30 Clariant Finance Bvi Ltd Faerbeverfahren und Hilfsmittel dafuer.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110683A (en) * 1959-09-28 1963-11-12 Dow Chemical Co Process of inhibiting corrosion

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125604A (en) * 1964-03-17 Production of diaryl sulfones

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3110683A (en) * 1959-09-28 1963-11-12 Dow Chemical Co Process of inhibiting corrosion

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030880A (en) * 1975-10-09 1977-06-21 E. I. Du Pont De Nemours And Company Process for improving dyeability
US4386037A (en) * 1980-03-28 1983-05-31 Sandoz Ltd. Sulphonic acids of tolyl ether sulphones
US5110317A (en) * 1987-09-28 1992-05-05 Allied-Signal Inc. Methods and compositions to enhance stain resistance of dyed nylon carpet fibers: thiocyanate to reduce yellowing
US5230708A (en) * 1987-09-28 1993-07-27 Allied-Signal Inc. Methods and compositions to enhance stain resistance of nylon carpet fibers: thlocyanate to reduce yellowing
US20080051574A1 (en) * 2004-12-10 2008-02-28 Rakesh Ratnam Control of Ph By Direct Addition of Carbonates and Bicarbonates During Concentration of Organics Solvent Extracts of 6-Acetyl-4,1',6' Trichlorogalactosucrose and 4,1',6' trichlorogalactosucrose

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NL146489B (nl) 1975-07-15
DK130798B (da) 1975-04-14
DK130798C (en)van) 1975-09-08
DE1593978A1 (de) 1972-06-15
AT273073B (de) 1969-07-25
GB1162755A (en) 1969-08-27
US3888913A (en) 1975-06-10
SE307954B (en)van) 1969-01-27
CH470367A (de) 1969-03-31
DE1593978B2 (de) 1974-05-09
FR1513946A (fr) 1968-02-16
NL6703691A (en)van) 1967-09-12
US3691204A (en) 1972-09-12
BE694632A (en)van) 1967-07-31

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