US3753914A - Synergistic bleaching textile treating compositions with an antimicrobial action - Google Patents

Synergistic bleaching textile treating compositions with an antimicrobial action Download PDF

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US3753914A
US3753914A US00169557A US3753914DA US3753914A US 3753914 A US3753914 A US 3753914A US 00169557 A US00169557 A US 00169557A US 3753914D A US3753914D A US 3753914DA US 3753914 A US3753914 A US 3753914A
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weight
acid
antimicrobial
active
washing
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P Berth
H Bellinger
K Hachmann
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Henkel AG and Co KGaA
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3902—Organic or inorganic per-compounds combined with specific additives
    • C11D3/3905—Bleach activators or bleach catalysts
    • C11D3/3907—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • 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
    • D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic

Definitions

  • Another object of the invention is the development of textile treating compositions comprising from 5% to 90% by weight of the above synergistic bleaching textile treating composition with an antimicrobial action and from 10% to 95% by weight of customary textile treating ingredients for bleaching, presoaking, washing and cleansing compositions and concentrates.
  • composition of the products according to the invention is as follows:
  • an antimicrobial component consisting essentially of (a) 0.05% to 25%, preferably 0.1% to 10%, by weight of a possibly substituted 2-hydroxydiphenyl etherof tiles or in the treatment baths can only take place with the general formula certainty at temperatures at which the per-compounds can OH develop their bleaching action.
  • this range of tem- R perature lies approximately from 70 to 100 C. In such cases the germs are killed both by elevated temperature R R and by the chemical action of the active oxygen.
  • An object of the present invention is the obtention of a synergistic bleaching textile treating composition with an antimicrobial action which is effective at temperatures below 70 C. to room temperature.
  • Another object of the present invention is the development of a synergistic bleaching textile treating composition with an antimicrobial action which is eflfective at temperatures below 70 C. to room temperature consisting essentially of (a) from 0.05% to 25% by weight of a 2- hydroxydiphenyl ether of the formula OH R, pecially 0.2 to 0.75 mol of activator are present per 0 gram-atom of active oxygen in the textile treatment B R, 55 compositions, and
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine and hydroxy
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine and cyano
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine, carbomethoxy and carboxyl
  • R R and R are members selected from the group consisting of hydrogen, fluorine, chlorine and bromine
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine, cyano, carbomethoxy and carboxyl
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine and tert. butyl
  • (b) from 25% to 80% by weight of a per- R may also represent a cyano
  • R and R may also represent a carbomethoxy or carboxyl and R may also represent a
  • an activator for active oxygen which is an N-acyl or O-acyl compound with 2 to 9 carbon atoms in the acyl or a carbonic acid ester or pyrocarbonic acid ester, the activating action of which, determined by the Per-Acid Formation Test, described hereinafter, is at least 3, preferably 4.5 while 0.05 to 2, preferably 0.1 to 1, and escompositions.
  • the usual components of such textile treatment compositions include neutral-reacting fillers, especially neutralreacting inorganic salts, surface-active compounds, the usual builders, especially alkaline-reacting salts without complex-forming ability, neutralor alkaline-reacting inorganic or organic complex-forming substances, soil suspending agents, brighteners, enzymes, odorous substances or perfumes and water, which is preferably present as water of hydration or crystallization.
  • the products according to the invention may be used in the textile industry, in industrial laundries and in the home and marketed as antimicrobial additives for washing and bleaching baths, soaking or pre-Washing compositions, and as fine washing or complete washing compositions, their compositions being adapted to the particular purpose of use.
  • Suitable antimicrobial additives for the textile industry and for industrial laundries are, for example, the antimicrobial components of the above formulation without any further additives.
  • the antimicrobial component is frequently admixed with amounts of neutral, preferably alkaline-reacting, builders such that the antimicrobial component constitutes more than 50% by weight of the mixture and the builders constitute from 10% to 45 by weight of the mixture.
  • Such products can also be used as bleaching antimicrobial rinsing agents for washed laundry.
  • the actual washing assistants and washing compositions used principally in the home especially the steeping, prewashing, fine washing and complete washing compositions, contain not more than 50% by weight preferably not more than 45% by weight of the antimicrobial component.
  • composition of the soaking compositions generally lies within the following formulation:
  • composition of prewashing, fine washing and complete washing compositions generally lies within the following formulation:
  • washing compositions 0 to 20% by weight of other customary constituents of washing compositions.
  • the amount of builders preferably of the alkaline-reacting builders, is usually at least as great and preferably greater than the amount of surface-active compounds.
  • composition of the surface-active component of this kind of formulation generally lies within the following formulation:
  • foam stabilizers 0 to 6%, preferably 0.5% to 3%, by weight of foam stabilizers
  • the surface-active component has, for example, the following composition:
  • soap if soap is present the relative proportion (sulfonate +sulfate) to soap lies in the range of from 10:1 to 1:10, preferably 5:1 to 1:2;
  • foam stabilizers 0 to 6%, preferably 0.5% to 3%, by weight of foam stabilizers
  • non-surface-active foam inhibitors preferably 0.5 to 5 by weight of non-surface-active foam inhibitors
  • the foaming power of the surface-active component being reduced either by simultaneous presence of surface-active compounds of the sulfonate and/or sulfate type and foaminhibiting soap and/or by presence of the non-surfaceactive foam inhibitors.
  • the other customary constituents of washing compositions are the substances present mostly in smaller amounts of, for example, not more than 3% by weight in each case, such as organic complex-forming substances (which, of course, as organic builders, may also be present in larger amounts), dirt carriers or soil suspending agents, brighteners, enzymes, dyes and odorant substances.
  • the other customary constituents also include textile softeners, which usually constitute 2% to 15%, preferably 7% to 13%, by weight of the total washing composition.
  • the textile treatment compositions according to the invention can be used, quite generally, for bleaching, especially for soaking, prewashing, washing and afterrinsing of textiles made from a great variety of natural or synthetic fibers, for example, wool, cotton, regenerated cellulose or linen, as well as for the so-called easy care textiles, which consist wholly or partly of highly finished cotton or of synthetic chemical fibers, for example, polyamide, polyester, polyacrylonitrile, polyurethane, polyvinyl chloride or polyvinylidene chloride fibers. Therefore, the textile treatment compositions according to the invcntion may also contain brighteners for the said fibrous materials or combinations of such brighteners. Since the antimicrobial component has both good bleaching and antimicrobial properties at low washing temperatures, it is preferred for use in soaking and cold water washing treatments.
  • the constituents of the above-described antimicrobial component have a synergistic action, that is, both the number of surviving germs still remaining on the textiles after the treatment with the textile treatment compositions according to the invention is greatly reduced, in the most favorable case is reduced to zero, and also, those which may remain, are prevented from multiplying. This is of particular practical interest, whether it is to keep the bacterial contamination better under control after a disinfecting washing process or to stop or reduce the formation of objectionable odors during the wearing of textiles as a result of the decomposition of sweat by bacteria.
  • 2',4,4-trichloro-2-hydroxydiphenylether is preferred and soaking, prewashing, fine washing and complete washing compositions preferably contains from 0.05% to especially 0.075% to 5%, by weight of this antimicrobial substance.
  • the other 2-hydroxydiphenylethers may be used in the same or in larger amounts, depending on their activity.
  • sodium perborate tetrahydrate (NaBO -H O B'H O) is of special practical importance. Partly or completely dehydrated perborates, i.e., up to Mam-H 0 may be used in its place.
  • Borate such as NaBO -H 0 described in German Pat. 901,287 and US. Pat. 2,491,789, in which the ratio Na O:B- O is less than 0.5 :1 and preferably lies in the region of 0.4 to 0.15: 1, while the ratio H o zNa lies in the region of 0.5 to 4:1 are also useful.
  • perborates may be wholly or partly replaced by other inorganic per-compounds, especially by peroxyhydrates, such as the peroxyhydrates of ortho-, pyroor polyphosph'ates, especially of the tripolyphosphates, as well as the carbonates.
  • peroxyhydrates such as the peroxyhydrates of ortho-, pyroor polyphosph'ates, especially of the tripolyphosphates, as well as the carbonates.
  • compositions from 0.25% to 10% by weight of the usual water-soluble and/ or water-insoluble stabilizers for the stabilization of the per-compounds.
  • Other alkaline earth metal, cadmium or tin silicates of corresponding composition are utilizable in their place.
  • Solutions which contain 0.615 gm./liter of NaBO -H O 3H O (4 mMol/liter) and 25 gm./liter of Na P O -l0I-I O, are heated to 60 C., and then are mixed with 4 mMol/liter of activator and maintained at the said temperature for 5 minutes with stirring. Then 100 ml. of this liquid is added to a mixture of 250 gm. of ice and ml. of glacial acetic acid and titrated immediately after addition of 0.35 gm. of potassium iodide with 0.1 N sodium thiosulfate solution, using starch as indicator. Under the given experimental conditions, for a 100% activation of the peroxide used, 8.0 ml.
  • Activators of the N-acyl or O-acyl compounds type contain an acyl residue RCO, in which R represents optionally substituted hydrocarbon residues with 1 to 8 carbon atoms. If the residues R are aliphatic, they preferably have 1 to 3 carbon atoms, and if they are aromatic, they may contain up to 8 carbon atoms. Consequently, the residue R is preferably one of the following: lower alkyl, such as methyl, ethyl, n-propyl or isopropyl; phenyl; alkylphenyl such as toluyl or xylyl residues.
  • Suitable substituents are C alkoxy groups, halogen atoms, nitro or nitrile groups; when R is an aromatic residue it may be chloroand/or nitro-substituted, especially m-chloro or mor p-nitro-substituted.
  • substituents are, for example, chloroalkyl having 1 to 3 carbon atoms, m-chlorophenyl, p-nitrophenyl, and p-methoxy henyl.
  • compounds with a melting point of at least 70 C., preferably at least C. and especially at least 150 C. are specially suitable.
  • the equivalent weight of these compounds should be not more than 170, preferably not more than 130 and especially not more than (the equivalent weight is here the quotient of the molecular weight and the number of RCO residues present in the molecule where the compound is N-acylated or O-acylated).
  • N-diacylated amines of the Formula I in which X represents a residue R or one of the residues Ia, Ib,
  • N,N,N,N'-tetraacetylmethylenediamine (melting point 92-95 C.)
  • N,N, N',N'-tetraacetylethylenediamine N,N-diacetylaniline
  • N,N-diacetyl-p-toluidine are named as examples.
  • SOg-Rg (H) Suitable compounds are, for example, 1,3-diacetyl-5,5- dimethylhydantoin, 1,3 dipropionylhydantoin (M.P. 104.5 to 106 C.) and 3-benzoylhydantoin-1-acetic acid ethyl ester.
  • a suitable compound is, for example, mono-acetyl-maleic acid hydrazide.
  • Carbonic acid esters of Formula V in which X 1 represents an electron-attracting residue, preferably selected from the group p-carboxyphenyl, p-sulfophenyl or alkoxycarbonyl:
  • X51-O-COOR5Z For example, p-ethoxycarbonyloxy-benzoic acid (M.P. 175 C.) is utilizable.
  • pyrocarbonic acid diethyl ester for example, pyrocarbonic acid diethyl ester.
  • Triacyl-cyanurates of Formula VI For example, triacetylor tribenzoyl-cyanurate.
  • R represents a residue R, preferably a methyl or ethyl residue, an optionally substituted aryl residue or the Group VIIa
  • X and X represent one of the residues RCO, R40 or one of the above-described aromatic residue, or each can be linked with the corresponding residue R or R to give a succinyl or phthalyl residue and n signifies a whole number from to 2.
  • Activators of this type are, for example, O-benzoyl-N,N- succinyl-hydroxylamine (M.P. 137-139" C.), O-acetyl- N,N-succinyl-hydroxylamine (M.P. 132134 C.). O-p methoxybenzoyl N,N succinyl-hydroxylamine (M.P. 142l45 C.). O-p-nitrobenzoyl-N,N-succinyl-hydroxylamine (M.P. 212215 C.) and O,N,N-triacetyl-hydroxylamine.
  • R and R preferably represent C alkyl residues or aryl residues such as phenyl, While R and R preferably represent C alkyl residues, especially C alkyl residues.
  • Tetraacylated glycolurils and especially tetraacetylglycoluril are preferably used.
  • the following acylated glycolurils are suitable:
  • di-(chloracetyl)-diacetyl-glycoluril (M.P. 267-269" C.), tetrapropionyl-glycoluril (M.P. 144-l46 C.), l-methyl-3,4,6-triacetylglycoluril (M.P. 179180 C.), diacetyldipropionylglycoluril (M.P. 144l46 C.) and diacetyl-dibenzoyl-glycoluril (M.P. 244-249 C.).
  • acylated glycolurils are not only of special practical importance on account of their excellent properties as activators, but owing to their high melting point they are very suitable for the preparation of pulverulent products which are stable on storage.
  • activator of at least 0.05, preferably of at least 0.1 mol of activator per gram-atom of active oxygen are sufficient. If the greatest possible activation of the active oxygen is required, the addition of activator can be increased up to 2 mols, preferably up to 1 mol. However, it is preferred to workwith 0.2 to 0.75 mol of activator per gram-atom of active oxygen. These amounts can, of course, be varied according to the activity of the particular activator used.
  • the anionic, amphoteric or non-ionic tensides contain in the molecule at least one hydrophobic residue mostly containing 8 to 26, preferably 10 to 12 and especially 10 to 18, carbon atoms and at least one anionic, non-ionic or amphoteric water-solubilizing group.
  • the preferably saturated hydrophobic residue is mostly aliphatic, but possibly also alicyclic in nature. It may be combined directly with the water-solubilizing group or through intermediate members.
  • Suitable intermediate members are, for example, benzene rings, carboxylic acid ester or carboxylic acid amide groups, residues of polyhydric alcohols linked in ether or ester-like form, such as, for example, those of ethylene glycol, propylene glycol, glycerine or corresponding polyether residues.
  • the hydrophobic residue is preferably an aliphatic hydrocarbon residue with 10 to 18, preferably 12 to 18, carbon atoms but deviations from the preferred range of carbon atoms are possible, depending on the nature of the surface-active compound in question.
  • Soaps from natural or synthetic fatty acids, possibly also from resin or naphthenic acids, are utilizable as anionic detergent substances, especially when these acids have iodine values of not more than 30, and preferably of less than 10.
  • the sulfonates and sulfates possess special practical importance.
  • the sulfonates include, for example, the alkylaryl sulfonates, especially alkylbenzene sulfonates, which are obtained from preferably straight-chain aliphatic hydrocarbons having 9 to 15, especially 10 to 14 carbon atoms, by chlorinating and alkylating benzene or from corresponding terminal or non-terminal olefins by alkylation of benzene and sulfonation of the alkylbenzenes obtained.
  • alkylaryl sulfonates especially alkylbenzene sulfonates, which are obtained from preferably straight-chain aliphatic hydrocarbons having 9 to 15, especially 10 to 14 carbon atoms, by chlorinating and alkylating benzene or from corresponding terminal or non-terminal olefins by alkylation of benzene and sulfonation of the alkylbenzenes obtained.
  • aliphatic sulfonates are of interest, such as are obtainable, for example, from preferably saturated hydrocarbons containing 8 to 18 and preferably 12 to 18 carbon atoms in the molecule by sulfochlorination with sulfur dioxide and chlorine or sulfoxidation with sulfur dioxide and oxygen, and conversion of the products thereby obtained into the sulfonates.
  • alkene sulfonates mixtures containing alkene sulfonates, hydroxyalkane sulfonates and disulfonates are useful, which are obtained from terminal or non-terminal C and preferably C1343 olefins by sulfonation with sulfur trioxide and acid or alkaline hydrolysis of the sulfonation products.
  • the sulfonate group is frequently found attached to a secondary carbon atom; however, sulfonates with a terminal sulfonate group obtained by reaction of terminal olefins with bisulfite can also be used.
  • salts preferably dialkali metal salts of a-sulfo-fatty acids, and salts of esters of these acids with monoor poly-hydric alcohols containing 1 to 4, and preferably 1 to 2 carbon atoms belong to the sulfonates to be used according to the invention.
  • sulfonates are salts of fatty acid esters of hydroxyethanesulfonic acid or dihydroxypropane sulfonic acid, the salts of the fatty alcohol esters of lower aliphatic or aromatic sulfomonoor di-carboxylic acids containing 1 to 8 carbon atoms, alkylglycerylether sulfonates and the salts of the amide-like condensation products of fatty acids or sulfonic acids with aminoethanesulfonic acid.
  • fatty alcohol sulfates especially those prepared from coconut fat alcohols, tallow fat alcohols or oleyl alcohol.
  • Useful sulfonation products of the sulfate type are also obtainable from terminal or non-terminal C olefins.
  • Sulfated fatty acid alkylolamides or fatty acid monoglycerides and sulfated alkoxylation products of alkylphenols (C alkyl), fatty alcohols, fatty acid amides or fatty acid alkylolamides, which may contain in the molecule 0.5 to 20, preferably 1 to 8 and especially 2 to 4 ethylene and/or propylene glycol residues, also belong to this group of surface-active compounds.
  • Suitable anionic surface-active compounds of the carboxylate type are the fatty acid esters or fatty alcohol ethers of hydroxycarboxylic acids, and the amide-like condensation products of fatty acids or sulfonic acids with aminocarboxylic acids, for example, with glycocoll, sarcosiu or protein hydrolysates.
  • non-ionic surface-active compounds here called non-ionics, for the sake of simplicity, include products which owe their solubility in water to the presence of polyether chains, amineoxide, sulfoxide or phosphineoxide groups, alkylolamide groups and very generally, to an accumulation of hydroxyl groups.
  • fatty alcohols alkylphenols
  • fatty acids fatty amines
  • fatty acid and sulfonic acid amides are of special practical interest.
  • non-ionics may contain per molecule 4 to 100, preferably 6 to 40 and especially 8 to 20 ether residue, particularly ethylene glycol ether residues.
  • propylene or butylene glycol ether residues or polyether chains may be present in or at the ends of these polyether residues.
  • products known by the trade name of Pluronics or Tetronics belong to the non-ionics. They are obtained from water-insoluble polypropylene glycols or from water-insoluble propoxylated lower aliphatic alcohols containing 1 to 8, preferably 3 to 6 carbon atoms and/or from water-insoluble propoxylated alkylenediamines. These water-insoluble (i.e. hydrophobic) propylene oxide derivatives are converted into the said nonionics by ethoxylation until they become soluble in water. Finally, the reaction products of the above-mentioned aliphatic alcohols with propylene oxide known as Ucon- Fluid some of which are still water-soluble, are useful as non-ionics.
  • Ucon- Fluid some of which are still water-soluble
  • the non-ionics also include fatty acid or sulfonic acid alkylolamides which are derived, for example, from monoor di-ethanolamine, dihydroxypropylamine or other polyhydroxyalkylamines, for example the glycamines. They can be replaced by amides from higher primary or secondary alkylamines and polyhydroxycarboxylic acids.
  • the surface-active amineoxides include, for example, the products derived from higher tertiary amines having 10 a hydrophobic alkyl residue and two shorter alkyl and/or alkylol residues containing up to 4 carbon atoms, each.
  • Amphoteric surface-active compounds contain in the molecule both acidic and basic hydrophilic groups.
  • Carboxy], sulfonic acid, sulfuric acid half ester, phosphonic acid and phosphoric acid partial ester groups are the acid groups.
  • Basic groups include primary, secondary, tertiary and quaternary ammonium groups. Amphoteric compounds with quaternary ammonium groups belong to the betaine type.
  • Carboxy, sulfate and sulfonate betaines have particular practical interest on account of their good compatibility with other surface-active compounds.
  • Suitable sulfobetaines are obtained, for example, by reacting tertiary amines containing at least one hydrophobic alkyl residue with sultones, for example pnopaneor butane-sultone.
  • Corresponding carboxybetaines are obtained by reacting the said tertiary amines with chloracetic acid, or its salts or with chloracetic acid esters and splitting the ester linkage.
  • the foaming power of the surface-active compounds can be increased or reduced by combination of suitable types of surface-active compounds, just as it can be changed by additions of non-surface-active organic substances.
  • Suitable foam stabilizers above all in the case of surface-active compounds of the sulfonate or sulfate type, are surface-active carboxy or sulfo-betaines and also the above-mentioned non-ionics of the alkylolamide type. Moreover, fatty alcohols or higher terminal diols can be utilized for this purpose.
  • Products with a reduced foaming power are primarily intended for use in washing and dishwashing machines, where sometimes a limited repression of foam is sufficient while in other cases a stronger foam repression may be desired.
  • a reduced foaming power is frequently obtained with combinations of different types of surface-active compounds, especially with combinations of synthetic anionic surface-active compounds, particularly of (l) sulfates and/or sulfonates or of (2) non-ionics on the one hand and (3) soaps on the other hand.
  • the foaming power can be affected by the particular soap used.
  • the inhibition of foam is smaller with soaps from preferably saturated fatty acids with 12 to 18 carbon atoms, while a greater inhibition of foaming, particularly in the higher temperature range, is obtained by soaps from saturated 'fatty acid mixtures having 20 to 26, preferably 20 to 22 carbon atoms, used in an amount of from 5 to 10% by weight of the total soap fraction present in the combination of surface-active compounds.
  • the foaming power of the surface-active compounds can also be reduced, by the addition of known, non-surface-active foam inhibitors.
  • foam inhibitors include optionally chlofine-containing N-alkylated aminotriazines, which are obtained by reacting 1 mol of cyanuric chloride with 2 to 3 mols of a monoand/or di-alkylamine having 6 to 20, preferably 8 to 18 carbon atoms in the alkyl residue.
  • Aminotriazine or melamine derivatives which contain propylene glycol or butylene glycol ether chains, in an amount of 10 to 100 of such glycol residues per molecule, have a similar action.
  • Such compounds are obtained, for example, by addition of corresponding amounts of propylene and/or butylene oxide to aminotriazines, especially to melamine.
  • the reaction products from 1 mol of melamine with at least 20 mol of propylene oxide or at least 10 mol of butylene oxide are preferred. Products which are obtained by addition of 5 to 10 mol of propylene oxide to 1 mol of melamine and further addition of 10 to 50 mol of butylene oxide to this propylene oxide derivative have proved particularly efiective.
  • non-surface-active water-insoluble organic compounds such as paraffins or halogenated paraflins with melting points below 100' C., aliphatic C to C ketones and aliphatic carboxylic acid esters, which contain at least 18 carbon atoms in the acid or alcohol residue, possibly also in both of these two residue (for example triglycerides or fatty acid-fatty alcohol esters), can be used as foam inhibitors, particularly in combinations of anionic synthetic surface-active compounds and soaps.
  • non-surface-active foam inhibitors are frequently only completely effective at temperatures at which they are present in the liquid state, so that the foaming behaviour of the products can be controlled by choice of suitable foam inhibitors in a similar way to that by the choice of soaps from fatty acids of suitable chain lengths.
  • foam stabilizers When foam stabilizers are combined with foam inhibitors dependent upon temperature, good foaming products are obtained at lower temperatures which, as the temperature approaches the boiling temperature, foam less and less.
  • Suitable weakly-foaming non-ionics which can be used both alone and in combination with anionic, amphoteric and non-ionic surface-active compounds and which reduce the foaming power of more strongly foaming surface-active compounds, are products of addition of propylene oxide to the above-described surface-active polyethylene glycol others as Well as the also above-described Pluronic, Tetronic and Ucon-Fluid types.
  • Suitable builders are weakly acid, neutral and alkaline reacting inorganic or organic salts, especially inorganic or organic complex-foaming substances.
  • Useful, weakly acid, neutral or alkaline reacting salts according to the invention are, for example, the alkali metal bicarbonates, carbonates, borates or silicates, mono-, dior tri-alltali metal orthophosphates, dior tetra-alkali metal pyrophosphates, alkali metal metaphosphates known as complex-forming substances, alkali metal sulfates and the alkali metal salts of organic, non-surfaceactive sulfonic acids, carboxylic acids and sulfocarboxylic acids containing 1 to 8 carbon atoms.
  • water-soluble salts of benzene-, tolueneor xylene-sulfonic acid water-soluble salts of sulfoacetic acid, sulfobenzoic acid or salts of sulfodicarboxylic acids and the salts of acetic acid, lactic acid, citric acid and tartaric acid.
  • water-soluble salts of higher molecular weight polycarboxylic acids are utilizable as builders, especially polymerizates of maleic acid, itaconic acid, mesaconic acid, fumaric acid, aconitic acid, methylenemalonic acid and citraconic acid.
  • Co-polymerizates of these acids with one another or with other polymerizable substances as for example, with ethylene, propylene, acrylic acid, methacrylic acid, crotonic acid, B-butenecarboxylic acid, 3-methyl-3-butenecarboxylic acid and with vinyl methyl ether, vinyl acetate, isobutylene, acrylamide and styrene, are utilizable.
  • Suitable complex-forming builders are also the weakly acid reacting metaphosphates and the alkaline reacting polyphosphates, especially tripolyphosphate, in the form of their alkali metal salts. They may be wholly or partly replaced by organic complex forming substances.
  • the organic complex-forming substances include, for example, nitrilotriacetic acid, ethylenediaminetetraacetic acid, N-hydroxyethyl-ethylenediaminetriacetic acid, polyalkylene-polyamine-N-polycarboxylic acids and other known organic complex-forming substances, while combinations of different complex-forming substances may also be used.
  • Diand poly-phosphonic acids of the following constitutions also belong to the other known complexforming substances:
  • R represents alkyl and R alkylene radicals with l to 8, preferably 1 to 4 carbon atoms
  • X and Y represent hydrogen or alkyl radicals with 1 to 4 carbon atoms and Z represents OH, -NH; or NXR.
  • methylaminoor ethylamino'di-(methylenephosphonic acid as well as ethylenediamine-tetra-(methylenephosphonic acid). All these complexing compounds may be present as free acids or preferably as the alkali metal salts.
  • soil suspending agents or greying inhibitors may be contained in the preparations according to the invention, which hold the dirt loosened from the fiber suspended in the bath and thus prevent greying.
  • Watersoluble colloids of mostly organic nature are suitable for this purpose, for example, the water-soluble salts of polymeric carboxylic acids, glue, gelatine, salts of ether-carboxylic acids or ether-sulfonic acids of starch or cellulose or salts of acid sulfuric acid esters of cellulose or starch.
  • Water-soluble polyamides containing acid groups are also suitable for this purpose.
  • soluble starch preparations and starch products other than those mentioned above can be used, for example, degraded starch, and aldehyde starches. Polyvinylpyrrolidone is also useful.
  • the constituents of the antimicrobial textile treatment compositions according to the invention are usually chosen so that the preparations have a neutral to distinctly alkaline reaction, so that the pH value of a 1% solution of the preparations mostly lie in the region from 7 to 12.
  • Fine washing compositions usually have a neutral to weakly alkaline reaction (pH value 7 to 9.5), while soaking, prewashing and boiling washing compositions are adjusted to be more strongly alkaline (pH value 9.5 to 12, preferably 10 to 11.5).
  • the action of the activators is combined with a certain consumption of alkali. Therefore, the builder substances present should be in an amount sufficient to prevent the pH value from falling below the given minimum values during the whole period of treatment.
  • the enzymes to be used are mostly a mixture of different enzymic substances. They are called proteases, amylases, carbohydrases, esterases, lipases, oxidoreductases, catalases, peroxidases, ureases, isomerases, lyases, transferases, desmolases or nucleases, depending upon their action.
  • the enzymic substances obtained from strains of bacteria or fungi such as Bacillus subtilis and Streptomyces griseus are of particular interest, especially proteases or amylases.
  • Preparations obtained from Bacillus subtilis have the advantage compared with others that they are relatively stable towards alkali, per-compounds and anionic detergent substances and are still active at temperatures up to 70 C.
  • Enzyme preparations are usually marketed by the manufacturers as aqueous solutions of the active substances or with the addition of diluents, as powders.
  • Suitable diluents are sodium sulfate, sodium chloride, alkali metal ortho-, pyroor polyphosphates, especially tripolyphosphate.
  • moist enzyme preparations are mixed with calcined salts, which then bind water or crystallization present and the enzymic substance, possibly with agglomeration of the particles to larger particles.
  • the enzymic substances are present as dry powders, liquid, paste-like and possibly also solid, nonpecially the above-described non-ionics, can be used at the usual room temperatures to bind the enzymes to the powders of the washing compositions or washing assistants.
  • a mixture of the respective product and the enzymic substance is preferably sprayed with the above-mentioned non-ionic substances, or the enzyme preparations is dispersed in the said non-ionic substance and this dispersion is united with the other constituents of the product.
  • the dispersion of the enzymic substances in the non-ionic component can also be sprayed on the other solid constituents.
  • the enzymes, or combinations of enzymes with dilferent actions are generally used in quantities such that the finished products have protease activities of 50 to 5000, preferably 100 to 2500 LVE/g. and/or amylases activi ties of 20 to 5000, preferably 50 to 2000 SKBE/g. and/ or lipase activities of 2 to 1000, preferably 5 to 500 IE/g.
  • ABS is the salt of an alkylbenzene sulfonic acid with 10 to 15, preferably 11 to 13, carbon atoms in the alkyl chain, obtained by condensing straight-chain olefins with benzene and sulfonating the alkylbezene thus formed.
  • Alkanesulfonate is a sulfonate obtained from paratfins with 12 to 16 carbon atoms by the sulfoxidation method.
  • Fs-ester sulfonate is a sulfonate obtained from the methyl ester of a hardened tallow fatty acid by sulfonation with S0
  • Olefin sulfonate is a sulfonate obtained from mixtures of olefins with 12 to 18 carbon atoms by sulfonating with S0 and hydrolyzing the sulfonation product with an alkaline liquor, which sulfonate consists substantially of alkenesulfonate and hydroxyalkanesulfonate, but contains in addition small quantities of disulfonates.
  • Each olefin sulfonate-containing preparation was prepared by use of two different types of olefin sulfonate; one was prepared from a mixture of straight-chain terminal olefins and the other from a mixture of nonterminal olefins.
  • KA-sulfate and TA-sulfate are the salts of sulfated substantially saturated fatty alcohols, prepared by reduction of coconut fatty acid and tallow fatty acid, respectively.
  • KA-EO-sulfate, "IA-EO-sulfate and OA-EO-sulfate” are the sulfated products of addition of 2 mols of ethylene oxide to 1 mol of coconut fatty alcohol, of 3 mols of ethylene oxide to 1 mol of tallow fatty alcohol and of 2 mols of ethylene oxide to 1 mol of oleyl alcohol, respectively.
  • OA+5 E0, OA+10 E0 and NP+9.5 E0 are the products of addition of ethylene oxide (E0) to technical oleyl alcohol (0A) and nonylphenol (NP), respectively, the numbers representing the molar quantity of ethylene oxide added on to 1 mol of starting material.
  • Fs-monoethanolamide and Fs-diethanolamide are the corresponding amides of the C1244 fraction from TABLE I Percent weight of fatty acid constituent in the soap ot B O D G Nuniiber of carbon atoms in the fatty aci C10 2 2 '1 1 012---. 19 21 16 6 C14-.. 8 6 10 5 10.
  • the soap B in the formulations given below is replaced by the same quantity of the soaps C, D or G, washing compositions are obtained in which the foaming is somewhat less strongly inhibited.
  • nonsurface-active foam inhibitors can be used, for example, a mixture of about 45% of a di(alkylamino)-monochlorotriazine and about 55% of a N,N',N"-trialkylmelamine.
  • the alkyl residues may be present as mixtures of homologs with 8 to 18 carbon atoms.
  • the monochlorotriazine derivative or trialkylmelamine can also be used with a simliar result.
  • washing compositions contain synthetic sulfates or sulfonates together with soap, the other non-surface-active foam inhibitors mentioned in the description can be used, as for example, parafiin oil or parafiin. It is advisable to incorporate the non-surface-active foam inhibtior used separately in the washing composition, for example, dissolved in a suitable organic solvent or sprayed in the molten state on the moving powder by means of a nozzle.
  • the activators used were:
  • TAGU Tetraacetylglycoluril DADH 1,3-diacetyl-5,5-dimethylhydantoin TAMD N,N,N',N-tetraacetyl-methylenediamine.
  • TBBS Mixture of 3,4',5-tribromoand 4',5-dibromo salicylanilide BHTM Bis-(2-hydroxy-3,5,6-trichlorophenyl)-methane TCC 3,4,4'-trichlorocarbanilidc.
  • the product according to Example 1 was prepared by mixing the individual constituents.
  • a powder obtained by hot spray drying which contained no perborate, no activator, no antimicrobial substance and no enzymes, was admixed with the last mentioned substances.
  • treatment baths of the concentrations given below are prepared at temperatures of 20 and 40 C.
  • the materials so treated were placed on Merck-Standard-I-agar inoculated with the test germs used in each case. After remaining for 30 minutes at this first place of contact, the textile sample was removed from the first place of contact and again placed on the surface of the agar broth for a second place of contact at a distance from the first place of contact. After 24 hours incubation at 37 C. it was evaluated.
  • Examples Ia-c Products which are utilizable in the textile industry or in the industrial laundry as antimicrobial and bleaching additives for textile treatment baths as well as additionally in the home as antimicrobial and bleaching afterrinsing compositions for washed laundry were prepared with the following general composition:
  • Example 1a Test results on use of a product according to Example 1a as well as corresponding products not containing TAGU and/ or antimicrobial substance. Since duplicate tests were performed the highest valuation in points for E would be 12 and for 5 it would be 24.
  • antimicrobial substance I in the textile treatment compositions according to Examples lac are replaced by 2.5% or by weight of the antimicrobial substance V, and by 2.0% or 3.5% by weight of said substance in the washing compositions according to Examples 2a-c.
  • the antimicrobial substances H to IV are suitably used in amounts of 4 to 8% by weight.
  • Example 3Prewashing composition Example 4Complete washing composition
  • Example 54pecial washing composition for delicate textiles Example 6Cold washing composition
  • Example 7-Fine washing composition Example 8-Washing composition for industrial laundries.
  • the residue is primarily Na SO with some water.
  • the activator TAGU used in the washing compositions according to Examples 3 to 8 may be replaced by other activators, especially by DADH or TAMD and the antimicrobial substance used therein may be replaced by other antimicrobial substances.
  • washing compositions are primarily intended for use at higher temperatures (washing compositions according to Examples 2, 4 and 8) the ABS may be partly replaced by TA-sulfate. If on the other hand the washing compositions are primarily intended for use at lower temperatures (Examples 6 and 7), a part of the ABS may be replaced by Fs-estersulfonate, OA- or KA-EO sulfate. In all washing compositions the synthetic detergent substances ABS or olefin sulfonate present may be wholly or partly replaced by alkanesulfonate. These changes in the surface-active component may obviously also alter the foaming power of the washing composition. This alteration of the foaming power, however, can be compensated by changing the quantity or type of the soap or by use of special foam inhibitors.
  • Suitable cotton brighteners are preferably proteases from Bacillus subtilis. Amylasses may also be incorporated in their place or together with them.
  • a synergistic bleaching textile treating composition with an antimicrobial action which is effective at temperatures below 70 C. to room temperature consisting essentially of (a) from 0.05% to 25% by weight of a 2-hydroxydiphenyl-ether of the formula:
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine and hydroxy; R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine and cyano; R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine, carbomethoxy and carboxyl; R F and R are members selected from the group consisting of hydrogen, fluorine, chlorine and bromine; R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine, cyano, carbomethoxy and carboxylic; and R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine and tert.
  • an activator for active oxygen selected from the group consisting of N- acyl and O-acyl compounds having acyls of carboxylic acids having 2 to 9 carbon atoms, carbonic acid esters and pyrocarbonic acid esters, said activator having an activating action of at least 3 in the Per-Acid Formation Test, wherein from 0.05 to 2 mols of activator are present per gram-atom of active oxygen of said per-compound.
  • the textile treating composition of claim 1 wherein said component (a) is in an amount of from 0.1% to 10% by weight, said component (b) is present in an amount of from 30% to 70% by weight, said component (0) is present in an amount of from 20% to 50% by weight and has an activating action of at least 4.5 in the Per-Acid Formation Test, and wherein from 011 to 1 mol of activator are present per gram-atom of active oxygen of said per-compound.
  • the textile treating composition of claim 1 having a further content of from 1% to 8% by weight of a waterinsoluble per-compound stabilizer.
  • R represents a member selected from the group consisting of alkyl having 1 to 3 carbon atoms, chloroalkyl having 1 to 3 carbon atoms, phenyl, chlorophenyl, nitrophenyl, alkoxyphenyl having 1 to 2 carbon atoms in the alkoxy group and alkylphenyl having 7 to 8 carbon atoms
  • X represents a member selected from the group consisting of COR COR X and X represent a member selected from the group consisting of RCO-, and R and lower alkoxycarbonylmethyl wherein at least one of X and X is RCO
  • Y rep resents a member selected from the group consisting of hydrogen and alkyl having 1 to 2 carbon atoms
  • X represents a member selected from the group consisting of R and RCO.
  • a bleaching antimicrobial rinsing agent consisting essentially of from 55% to 90% by weight of the textile treating composition of claim 1 and from 10% to 45% by weight of alkaline-reacting inorganic builders.
  • a bleaching antimicrobial soaking agent consisting essentially of from 10% to 45% by weight of the textile treating composition of claim 1, from 0.5% to 5% by weight of surface-active compounds selected from the group consisting of anionic surface-active compounds, non-ionic surface-active compounds and amphoteric surface-active compounds, and from 50% to 89.5% of alkaline-reacting inorganic builders.
  • a bleaching antimicrobial washing agent consisting essentially of from to 50% by weight of the textile treating composition of claim 1, from 5% to 40% by weight of surface-active compounds selected from the group consisting of anionic surface-active compounds, non-ionic surface-active compounds, and amphoteric surface-active compounds, from 10% to 85% by weight of alkaline-reacting inorganic builders, and from 0 to by weight of at least one other customary component of washing agents selected from the group consisting of organic complex-forming compounds, soil suspending agents, optical brighteners, enzymes, dyes, odorant compounds, non-surface-active foam inhibitors, foam stabilizers and water.
  • composition of claim 10 wherein said surfaceactive compound component has the following formulation:
  • composition as claimed in claim 10 in which the surface-active component has the following composition:
  • non-ionic surface-active compounds 0 to 6% by weight of foam stabilizers 0 to 8% by weight of non-surface-active foam inhibitors, while the foaming power of the surface-active component is reduced either by simultaneous presence of surface-active compounds of the sulfonate and/or sulfate type and foam-inhibiting soap and/or by presence of the non-surface-active foam inhibitors.
  • composition as claimed in claim 12 in which the surface-active component contains 25 to by weight of surface-active compounds of the sulfonate and/or sulfate type.
  • composition as claimed in claim 12 in which the surface-active component contains 0.5 to 3% by weight of foam stabilizer.
  • composition as claimed in claim 12 in which the surface-active component contains 0.5 to 5% by weight of foam inhibitor.
  • composition as claimed in claim 13 in which the surface-active component contains 25 to by weight of surface-active compounds of the sulfonate and/or sul-' fate type.
  • composition as claimed in claim 13 in which the surface-active component contains from 10% to 50% by weight of soap and the proportion of (sulfonate+sulfate) to soap is from 5:1 to 1:2.
  • composition as claimed in claim 13 in which the surface-active component contains 0.5 to 3% by weight of foam stabilizer.
  • composition as claimed in claim 13 in which the surface-active component contains 0.5 to 5% by weight of foam inhibitor.
  • a synergistic bleaching textile treating composition with an antimicrobial action which is effective at temperatures below 70 C. to room temperature consisting essentially of (a) from 0.05% to 25% by weight of a 2-hy droxydiphenyl-ether of the formula:
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine and hydroxy;
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine and cyano;
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine, carbomethoxy and carboxyl;
  • R R and R are members selected from the group consisting of hydrogen, fluorine, chlorine and bromine;
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine, cyano, carbomethoxy and carboxyl; and
  • R is a member selected from the group consisting of hydrogen, fluorine, chlorine, bromine and tert. butyl; (b) from 25% to by weight of a sodium perborate; and (c) from 5% to 60% by weight of an activator for active oxygen selected from N-acyl compounds of the formulae.
  • COR COR COR X and X represent a member selected from the group consisting of RCO-, and R and lower alkoxycarbonylmethyl wherein at least one of X and X, is RCO, Y represents a member selected from the group consisting of hydrogen and alkyl having 1 to 2 carbon atoms, and X represents a member selected from the group consisting of R and RCO, said activator having an activating action of at least 3 in the Per-Acid Formation Test, wherein from 0.05 to 2 mols of activator are present per gramatom of active oxygen of said per-compound.

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929903A (en) * 1973-03-23 1975-12-30 Nippon Soda Co Germicidal and fungicidal diphenyl ethers
US4111844A (en) * 1975-12-15 1978-09-05 Ciba-Geigy Corporation Synergistic microbicidal composition
US4268693A (en) * 1977-11-21 1981-05-19 Ciba-Geigy Corporation 3-Hydroxydiphenyl ethers
US5968207A (en) * 1998-02-20 1999-10-19 Milliken & Company Esterified triclosan derivatives as improved textile antimicrobial agents
US6540960B2 (en) * 1996-12-11 2003-04-01 Henkel-Ecolab Gmbh & Co. Ohg (Henkel-Ecolab) Process for disinfecting instruments
US20040186174A1 (en) * 1999-05-20 2004-09-23 Werner Holzl Hydroxydiphenyl ether compounds
WO2005013931A1 (en) * 2003-07-16 2005-02-17 Ciba Specialty Chemicals Holding Inc. Use of halogenated hydroxydiphenyl ether compounds for the treatment of the skin

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1392284A (en) * 1971-03-30 1975-04-30 Unilever Ltd Stabilisation of active oxygen releasing compounds
IT1395093B1 (it) * 2009-05-06 2012-09-05 Alsco Italia S R L Uso di una composizione antimicrobica come additivo di lavaggio per conferire proprieta' antimicrobiche ad un tessuto mediante un procedimento di lavaggio industriale di detto tessuto

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929903A (en) * 1973-03-23 1975-12-30 Nippon Soda Co Germicidal and fungicidal diphenyl ethers
US4111844A (en) * 1975-12-15 1978-09-05 Ciba-Geigy Corporation Synergistic microbicidal composition
US4268693A (en) * 1977-11-21 1981-05-19 Ciba-Geigy Corporation 3-Hydroxydiphenyl ethers
US6540960B2 (en) * 1996-12-11 2003-04-01 Henkel-Ecolab Gmbh & Co. Ohg (Henkel-Ecolab) Process for disinfecting instruments
US5968207A (en) * 1998-02-20 1999-10-19 Milliken & Company Esterified triclosan derivatives as improved textile antimicrobial agents
US6197072B1 (en) 1998-02-20 2001-03-06 Milliken & Company Esterified triclosan derivatives as improved textile antimicrobial agents
US20040186174A1 (en) * 1999-05-20 2004-09-23 Werner Holzl Hydroxydiphenyl ether compounds
US7105577B2 (en) 1999-05-20 2006-09-12 Ciba Specialty Chemicals Corporation Antimicrobial method using a hydroxydiphenyl ether compound
WO2005013931A1 (en) * 2003-07-16 2005-02-17 Ciba Specialty Chemicals Holding Inc. Use of halogenated hydroxydiphenyl ether compounds for the treatment of the skin
US20060216252A1 (en) * 2003-07-16 2006-09-28 Ciba Specialty Chemicals Holding Inc. Use of halogenated hydroxydiphenyl ether compounds for the treatment of the skin
US20080260667A1 (en) * 2003-07-16 2008-10-23 Werner Baschong Use of halogenated hydroxydiphenyl ether compounds for the treatment of the skin
US20080279794A1 (en) * 2003-07-16 2008-11-13 Werner Baschong Use of halogenated hydroxydiphenyl ether compounds for the treatment of the skin
CN1852697B (zh) * 2003-07-16 2010-10-13 西巴特殊化学制品控股公司 卤代羟基二苯基醚化合物在皮肤处理中的应用

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