DE3121242A1 - Process for bleaching and disinfecting textiles and composition therefor - Google Patents

Abstract

In the process for bleaching and disinfecting textiles, the aqueous liquor has added to it as a bleaching and disinfecting component a mixture of a) sodium perborate and/or sodium percarbonate and b) one or more peroxycarboxylic acids. The liquor or composition for carrying out the process may additionally contain inorganic and/or organic builders, surfactants, corrosion inhibitors, foam regulators, greyness inhibitors (antiredeposition agents), stabilisers, optical brighteners, enzymes, perfume oils and auxiliaries.

Description

Process for bleaching and disinfecting

Textiles and means for carrying out the process containing active oxygen Detergents containing sodium perborate and / or sodium percarbonate as bleach, have a good bleaching effect and a sufficient disinfection effect. However, they have the disadvantage that at low Wash temperatures up to approx. 60 "C the bleaching and disinfecting effect of this Products not fully satisfied.

It is also known to use peroxycarboxylic acids in bleaching processes of textiles to use. These are preferably additional bleaches, which should be used in otherwise bleach-free washing liquors.

Such bleaches are based solely on peroxycarboxylic acids however, the disadvantage that they are used at high application temperatures because of the rapid Decomposition show only unsatisfactory effectiveness. It is also known that such agents at high application concentrations by bleaching of dyes Can cause damage to textiles.

The invention relates to a method for bleaching and disinfecting of textiles by treating them with an aqueous liquor, which thereby is characterized in that the aqueous liquor is used as a bleaching and disinfecting component a mixture of a) sodium perborate and / or sodium percarbonate b) one or more Contains peroxycarboxylic acids.

In the process according to the invention, the aqueous liquor can also inorganic and / or organic surfactants, surfactants and other common detergent ingredients such as corrosion inhibitors, foam regulators, graying inhibitors, stabilizers, Contain optical brighteners, enzymes, perfume oils and / or auxiliaries.

Surprisingly, the method according to the invention can already through the use of small amounts of peroxycarboxylic acids in combination with sodium perborate and / or sodium percarbonate a significantly improved bleaching effect at low Application temperatures can be achieved. The aforementioned color damage occurs due to the low concentration of the peroxycarboxylic acids used.

Another benefit of this bleach combination is one significantly improved microbicidal effect even at low application temperatures and also at low application concentrations.

The invention also relates to means for implementation of the method according to the invention for bleaching and disinfecting textiles, which are characterized in that their composition is within the following formulation is: 10-40% by weight, preferably 12-25% by weight, sodium perborate and / or sodium percarbonate 1-12% by weight, preferably 1-7% by weight peroxycarboxylic acid or a mixture of Peroxycarboxylic acids 10-70% by weight, preferably 25-45% by weight, inorganic and / or organic builders 5 - 30 wt .-%, preferably 8-16 wt .-% anionic and nonionic and / or zwitterionic surfactants 0 - 50% by weight otherwise usual detergent ingredients such as corrosion inhibitors, foam regulators, graying inhibitors, stabilizers, optical brighteners, enzymes, perfume oils and / or auxiliaries As sodium perborate can the so-called sodium perborate tetrahydrate NaBO3. 4 H20 (or NaBO2. H202 . 3 H2O) and / or the so-called sodium perborate monohydrate NaBO3 H20 (or NaBO2 . H2O2) can be used.

The sodium percarbonate which can be used according to the invention is are sodium carbonate perhydrate with the approximate composition Na2CO3. 1.5 H202.

All stable peroxycarboxylic acids can be used as peroxycarboxylic acids are, preferably these are aliphatic diperoxycarboxylic acids with 6-14 carbons material atoms and aromatic diperoxycarboxylic acids.

Diperazelaic acids are particularly preferred when carrying out the process (DPAA) and / or diperdodecanedioic acid (DPDA); as an aromatic diperoxycarboxylic acid Diperisophthalic acid is preferred.

In a preferred embodiment of the invention one uses ver Peroxycarboxylic acids, which are phlegmatized, for example according to DE-OS 29 30 546 It is also possible according to the invention to coat peroxycarboxylic acid Insert shape. Such coating processes and coated peroxycarboxylic acids are for example in US-PS 4,094,808, US-PS 3,770,816, DE-OS 24 23 466, US-PS 4 126 573, DE-OS 28 00 916 and GB-PS 847 702 described.

The textile detergents according to the invention can also be inorganic and / or contain organic builders.

Other ingredients are surfactants and common detergent ingredients such as corrosion inhibitors, graying inhibitors, stabilizers, optical brighteners, Enzymes, perfume oils and / or auxiliaries.

There now follows an enumeration of those for use in the inventive Substances suitable for agents: Suitable builder substances are the carbonates and Silicates of potassium and in particular of sodium, whereby latter have a ratio of SiO2 to Na2O of 1: 1 to 3.5: 1. As sequestering Acting builder substances come from polymer phosphates, especially pentasodium triphosphate in question, which in Germisch with its hydrolysis products, the mono- and diphosphates, as well as more highly condensed phosphates, e.g. the tetraphosphates, can be present.

The polymer phosphates can also be completely or partially phosphate-free Sequestrants should be replaced.

These include the alkali salts of amino polycarboxylic acids in particular of nitrilotriacetic acid and ethylenediaminotetraacetic acid. Are also suitable the salts of diethylenetriaminopentaacetic acid and the higher homologues of those mentioned Aminopolycarboxylic acids. Other suitable aminopolycarboxylic acids are poly (N-succinic acid) ethyleneimine, Poly (N-tricarballylic acid) ethyleneimine and poly (N-butane-2, 3, 4-tricarboxylic acid) ethylene imine. Instead of the salts of aminopolycarboxylic acids or in a mixture with them sequestering polyphosphonic acid salts can also be present, e.g. the alkali salts of aminopolyphosphonic acids, especially aminotri (methylenephosphonic acid), 1-hydroxyethane-1,1-diphosphonic acid, methylenediphosphonic acid, ethylenediphosphonic acid and salts of the higher homologues of the polyphosphonic acids mentioned.

Of particular importance are the nitrogen- and phosphorus-free, Polycarboxylic acids forming complex salts with calcium ions, including carboxyl groups containing polymers include. Citric acid, tartaric acid and benzene hexacarboxylic acid are suitable and tetrahydrofuran tetracarboxylic acid. Also containing carbonoxymethyl ether groups Polycarboxylic acids are useful, such as 2,2'-oxydisuccinic acid as well as with glycolic acid partially or completely ethereal te polyhydric alcohols or Hydroxycarboxylic acid, for example triscarboxymethylglycerin, biscarboxymethylglyceric acid, 2-oxa-1,1,3-propane tricarboxylic acid, 2-oxa-1,1,2,3-propane tetracarboxylic acid and carboxymethylated or oxidized polysaccharides. The polymeric carboxylic acids are also suitable with a molecular weight of at least 350 in the form of water-soluble sodium or Potassium salts such as polyacrylic acid, polymethacrylic acid, poly-9C-hydroxyacrylic acid, etc. Polymaleic acid, polyitaconic acid, polymesaconic acid, polybutenetricarboxylic acid as well the copolymers of the corresponding monomeric carboxylic acids with one another or with ethylenically unsaturated compounds such as ethylene, propylene, isobutylene, vinyl methyl ether or furan.

Complexing agents which are insoluble in water can also be used. These include phosphorylated cellulose and graft polymers of acrylic acid or methacrylic acid on cellulose, which can be in the form of woven fabrics, nonwovens or powders. - Furthermore, spatially crosslinked and thus water-insoluble made copolymers are acrylic, methacrylic, crotonic and maleic acid as well as other polymerizable polycarboxylic acids, optionally with other ethylenically unsaturated compounds in the form of sodium or potassium salts are suitable as sequestering agents. These insoluble copolymers can be used as fleeces, sponges or in the form of finely ground, specifically lighter There are foams with an open-cell structure.

Alkali aluminum silicates are also suitable as water-insoluble structural substances, which optionally contain bound water and in which the alkali metal against Calcium or magnesium can be exchanged. These include, in particular, finely crystalline to amorphous aluminum silicates of the formula (Na2O) x x A12O3. (SiO2) where x is a number from 0.7 to 1.5 and y is a number from 1.3 to 4. Also mixtures of the aforementioned water-soluble and water-insoluble structural substances or complexing agents can be used.

The surfactants contain at least one hydrophobic organic in the molecule Remainder and a water-solubilizing anionic, zwitterionic or nonionic Group.

The hydrophobic residue is usually an aliphatic one Hydrocarbon radical with 8-26, preferably 10-22 and in particular 12-18 C atoms or an alkyl aromatic radical with 6-18, preferably 8-16 aliphatic Carbon atoms.

As anionic surfactants, e.g. soaps made from natural or synthetic, preferably saturated fatty acids, optionally also from resin or naphthenic acids useful. Suitable synthetic anionic surfactants are those of the sulfonate type, Sulfates and the synthetic carboxylates.

As surfactants of the sulfonate type are alkylbenzenesulfonates (Cg 15-alkyl), Mixtures of alkene and hydroxyalkane sulfonates and disulfonates, as they are, for example from monoolefins with a terminal or internal double bond by sulfonating with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the Sulfo- contains nation products. Next are suitable Alkanesulfonates, which are obtained from alkanes by sulfochlorination or sulfoxidation and subsequent Hydrolysis or neutralization or by bisulfite addition to olefins are obtainable. Other useful surfactants of the sulfonate type are the esters of α-sulfo fatty acids, e.g. the α-sulfonic acids from hydrogenated methyl or ethyl esters of coconut, Palm kernel or tallow fatty acid.

Suitable surfactants of the sulfate type are the primary sulfuric acid monoesters Alcohols (e.g. from coconut fatty alcohols, tallow fatty alcohols or oleyl alcohol) and those secondary alcohols. Sulfated fatty acid alkanolamides and fatty acid monoglycerides are also suitable or reaction products of 1-4 mol of ethylene oxide with primary or secondary fatty alcohols or alkyl phenols.

Other suitable anionic surfactants are the fatty acid esters or -amides of hydroxy- or amino-carboxylic acids or -sulphonic acid, such as the fatty acid sarcosides, -glycolates, lactates, taurides or isthionates.

The anionic surfactants can be in the form of their sodium, potassium and Ammonium salts and as soluble salts of organic bases, such as mono-, di- or triethanolamine are present.

Addition products of 4 to 40 are preferred as nonionic surfactants 4 - 20 moles of ethylene oxide in 1 mole of fatty alcohol, alkylphenol, fatty acid, fatty amine, fatty acid amide or alkanesulfonamine can be used. The addition products are particularly important from 5 - 16 mol of ethylene oxide to coconut or tallow fatty alcohols, to oleyl alcohol or in seconds dear alcohols with 8-18, preferably 12-18 carbon atoms, as well as mono- or dialkylphenols with 6-14 carbon atoms in the alkyl radicals. Next to However, these water-soluble nonionies are also not or not completely water-soluble Polyglycol ethers with 1-4 ethylene glycol ether residues in the molecule of interest, in particular when used together with water-soluble nonionic or anionic surfactants will.

Furthermore, the water-soluble, 20 - Containing 250 ethylene glycol ether groups and 10-100 propylene glycol ether groups Addition products of ethylene oxide with polypropylene glycol (= Pluronicr alkylenediamine-polypropylene glycol (= TetronicsF and alkylpolypropylene glycols with 1-10 carbon atoms in the alkyl chain can be used, in which the polypropylene glycol chain acts as a hydrophobic residue.

There are also nonionic surfactants of the amine oxide or sulfoxide type usable.

The foaming power of the surfactants can be determined by a combination of suitable Increase or decrease types of surfactants; a reduction can also be achieved Achieve additions of non-surfactant organic substances.

Suitable foam stabilizers, especially in the case of sulfonate surfactants or sulfate type, capillary-active carboxy- or sulfobetaines as well as those mentioned above Alkylolamide type nonionics; in addition, fatty alcohols or higher are used for these purposes terminal diols have been proposed.

A reduced foaming power, which is desirable when working in machines is often achieved by combining different types of surfactants, e.g. from Sulphates and / or sulphonates with nonionics and / or with soaps When soaps rise the foam damping with the degree of saturation and the C-ZE1 of the fatty acid residue; Soaps made from saturated C20-24 fatty acids are particularly suitable as foam suppressors.

The non-surfactant foam inhibitors may include Chlorine-containing N-alkylated aminotriazines, which are obtained by reacting 1 mole of cyanuric chloride with 2-3 moles of a mono- and / or dialkylamine with 6-20, preferably 8-18 C atoms in the alkyl radical. Propoxylated and / or butoxylated act similarly Aminotriazines, e.g.

Products obtained by adding 5 - 10 moles of propylene oxide to 1 Moles of melamine and further addition of 10-50 moles of butylene oxide to this propylene oxide derivative receives.

Water-insoluble foam inhibitors are also suitable as non-surfactant-like foam inhibitors organic compounds such as paraffins odex halogen paraffins with melting points below from 100 ° C, aliphatic C18 to C40 ketones and aliphatic carboxylic acid esters, those in the acid or alcohol radical, optionally also in each of these two radicals, contain at least 18 carbon atoms (e.g. triglycerides or fatty acid fatty alcohol esters); they can be used especially with combinations of surfactants of the sulfate and / or sulfonate type use with soaps to steam the foam.

Particularly low-foaming nonionics that can be used both alone and in combination with anionic 0 zwitterionic and non-ionic Surfactants can be used and the foaming power of highly foaming surfactants reduce, are die'Anlagungsprodukte of propylene oxide to those already mentioned capillary-active polyethylene glycol ethers as well as those already described Addition products of ethylene oxide with polypropylene glycols and with alkylenediamine-polypropylene glycols or on C 1-10 -alkyl-polypropylene glycols.

It is advisable to use the usual water-soluble and / or water-insoluble Stabilizers for the peroxy compounds together with them in amounts of 0.25 - to incorporate 10% by weight. As water-insoluble stabilizers, e.g. 1 - 8, preferably make up 2 - 7% of the weight of the total preparation are suitable the magnesium silicates MgO, mostly obtained by precipitation from aqueous solutions : SiO2 = 4: 1 to 1: 4, preferably 2: 1 to 1: 2 and in particular 1: 1. An they are replaced by other alkaline earth metal or tin silicates of the same composition useful. Hydrous oxides of tin are also suitable as stabilizers. Water-soluble stabilizers that coexist with water-insoluble ones The organic complexing agents, the amount of which is 0.25-5, are preferred 0.5 - 2.5% of the weight of the entire preparation.

The agent according to the invention can also contain dirt carriers be that keep the dirt detached from the fiber suspended in the liquor and thus prevent the graying. For this purpose, water-soluble colloids are usually more organic Suitable for nature, such as the water-soluble salts of polymeric carboxylic acids. Glue, gelatin, salts of ether carboxylic acids or ether sulfonic acids of starch or of cellulose or salts of acidic Sulfuric acid esters of cellulose or strength. Water-soluble polyamides containing acidic groups are also useful suitable for this purpose. Soluble starch preparations and others can also be used use as the above starch products, such as degraded starch, aldehyde starches etc. Polyvinylpyrrolidone can also be used.

The detergents can be used as optical brighteners for cotton in particular Derivatives of diaminostilbene disulfonic acid or their alkali metal salts contain. Suitable are e.g. salts of 4t4-bis (2anilino-4-morpholino-1,3,5-triazin-6-yl-amino) -stilbene-2,2'-disulfonic acid or similarly structured compounds which, instead of the morpholino group, have a Diethanolamino group, a methylamino group or a 2-methoxyethylamino group wear. Brighteners of the 1,3-diaryl-2-pyrazoline type are used as brighteners for polyamide fibers in question, for example the compound 1- (p-sulfamoylphenyl) -3- (p-chlorophenyl) -2-pyrazoline and similarly structured compounds which, instead of the sulfamoyl group, e.g. the methoxycarbonyl, 2-methoxyethoxycarbonyl, the acetylamino or the vinylsulfonyl group wear. Usable polyamide brighteners are also the substituted aminocoumarins, e.g. 4-methyl-7-dimethylamino or 4-methyl-7-diethylaminocoumarin. Farther The compounds 1- (2-benzimidazolyl) -2-2 (1-hydroxyethyl-2-benzimidazolyl) -ethylene are used as polyamide brighteners and 1-rhyl-3-phenyl-7-diethylamino-carbostyril can be used. As a brightener for polyester and Polyamide fibers are the compounds 2,5-di- (2-benzoxaolyl) -thiophene, 2- (2-benzoxazolyl) -naphtho 2,3-b -thiophene and 1,2-di- (5-methyl-2-benzoxyzolyl) -ethylene are suitable.

Furthermore, brighteners of the substituted 4,4'-distyryldiphenyl type can be used to be present; e.g. the compound 4,4'-bis (4-chloro-3-sulfostyryl) -diphenyl Also Mixtures of the aforementioned brighteners can be used.

The enzyme preparations to be used are usually a mixture of enzymes with different effects, e.g. of proteases, carbohydrases, esterases, lipase, Oxidorecductases, catalases, peroxidases, ureases, isomerases, lyases, transferases, Desmolases or nucleases. Those from bacterial strains are of particular interest or enzymes obtained from fungi such as Bacillus subtilis or Streptomyces griseus, in particular Proteases or amylases that oppose alkali, percompounds and anionic surfactants are relatively stable and are still effective at temperatures up to 700C.

Enzyme preparations are usually supplied by the manufacturers as aqueous solutions the active ingredients or as powder, granules or

brought to the market as cold-atomized products. They contain often used as extender sodium sulfate, sodium chloride, alkali ortho-, pyro- or polyphosphates, especially tripolyphosphate. Particular importance is attached to dust-free Preparations; they are obtained in a manner known per se by incorporating oily ones or paste-like nonionics or by granulating with the aid of melts containing water of crystallization Salts in your own crystal water.

Enzymes can be incorporated which are specific for a certain type of soil, for example proteases or amylases or lipases; preference is given to using combinations of enzymes with different effects, in particular combinations of proteases and amylases. The subject matter of the invention is explained in more detail using the following examples: A number of detergents were prepared according to the following recipes: Table 1 Recipe No. 1 2 3 4 5 Sodium perborate% 20 16.7 16.7 - -diperazelaic acid (100%)% - 2,4-2,4 -diperdodecanedioic acid (100%)% - - 2.8 - 2.8 Sodium Triphosphate & 35 Lin.Alkylbenzenesulfonate% 6 Tallow alcohol with 16 ÄO% 5 Soap% 3.5 # constant CMC (60%)% 3 Mg-silicate% 4 Na4-EDTA (100%) & 0.2 Sodium sulfate, water% to 100% The sodium perborate used is sodium perborate tetrahydrate with an active oxygen (Oa) content of 10.15%.

The two peroxycarboxylic acids were used in phlegmatized form (according to DE-OS 29 30 546); the diperazelaic acid (DPAA) was about 26% (3.7 % 0a? ' the diperdodecanedioic acid (DPDA) .approx. 25 days (3.1% ° a) both with sodium sulfate phlegmatized.

For the sake of simplicity, the above recipes have added dispensed with optical brighteners, enzymes, perfume oils and the like.

Carrying out washing tests Washing tests were carried out with these detergents carried out in the launderometer at 600C using various test fabrics. the Detergents were dosed uniformly at 6 g / l each.

The following test fabrics (cotton) were used to determine the bleaching effect available: initial remission red wine soiling (pre-washed bleach-free) 57.3% tea soiling 34.0% coffee soiling 21.9% wild berry soiling 23.0% The increase in remission # R% served as the wet for the bleaching effect, i.e. the difference between the reflectance values of the washed and untreated fabrics. the Remission measurement was carried out with the Zeiss Elrepho, xenon lamp, UV blocking filter FL 46, measuring filter R 46 (blue) against barium sulfate as standard (100%).

The results of these washing tests are shown in the table below summarized: Table 2 Experiment no. 1 2 3 4 5 Perborate concentration g / l 1.2 1.0 1.0 - - Peroxycarboxylic acid used - DPAA DPDA DPAA DPDA concentration (100%) g / l - 0.14 0.17 0.14 0.17 Oa total concentration mg / l 122 122 122 21 21 of which as peroxycarboxylic acid mg / l - 21 21 21 21 bleaching effect (increase in reflectance) on test tissue: Red wine soiling # R% 10.7 16.2 17.3 17.0 16.6 Tea soiling # R% 18.2 22.7 25.5 20.8 19.8 Coffee soiling #R% 35.6 36.3 36.1 33.7 33.7 Wild berry soiling #R% 47.1 49.0 49.9 47.7 48.6 A comparison of the two according to the invention Test formulations No. 2 and 3 with the unclaimed compositions 1.4 and FIG. 5 shows that the combination of sodium perborate with peroxycarboxylic acids according to the invention overall, the intended improvement in the bleaching effect at low Brings washing temperatures.

In a further series of tests, detergents no. 1, 2 and 3 used under otherwise identical conditions at a washing temperature of 30 "C. (Trials no. La, 2a, 3a).

In this test series at 300C, 2 recipes were also included, which contained sodium percarbonate instead of sodium perborate. The recipe no. 6 contained only 15.7% sodium percarbonate, formulation no. 7 contained 12.2% sodium percarbonate and an additional 2.8% diperdodecanedioic acid (100%). The other ingredients of the recipe were the same as for recipes 1 - 5.

The sodium percarbonate used is sodium carbonate perhydrate with an active oxygen (Oa content of 13.6%.

The following results were obtained in a washing test at 30 ° C: Tabel 3 experiment no. @ 1a 2a 3a 6 7 Perborate concentration g / l 1.2 1.0 1.0 - -percarbonate concentration g / l - - - 0.88 0.73 Peroxycarboxylic acid used (100%) - DPAA DPDA - DPDA - concentration g / l - 0.14 0.17 - 0.17 Oa total concentration mg / l 122 122 122 120 121 of which as Peroxycarboxylic acid mg / l - 21 21 - 21 Bleaching effect (increase in remission) on test tissue: Red wine soiling #R% 5.0 9.4 10.6 5.4 10.5 Tea soiling #R% 19.7 22.7 23.6 18.8 24.3 Coffee soiling #R% 29.9 31.6 32.0 30.0 31.9 Wild berry soiling #R% 36.7 43.4 44.7 38.9 44.2 The two experiments according to the invention No. 2a and 3a again bring better results than the comparative experiment No. 1a. The formulation No. 7 according to the invention also proves to be with the combination Sodium percarbonate / diperdodecanedioic acid as superior to the comparison formulation No. 6 without addition of peroxycarboxylic acid. Investigation of the microbicidal effect for this Investigation, the detergent formulations 1 and 2 were used, with the invention Recipe 2 was tested in different application concentrations. As another A test product no. 6 was used for comparison, which with otherwise the same composition did not contain any active oxygen.

The test germs used were: E. Coli, initial GKZ 3.104 / ml Staphylocuccus albus initial GKZ 4.1 03 / ml The exposure time of the detergent solutions examined was 30 minutes at 200 ° C. The residual microbial contamination was then determined by the cast plate method: Table 4 Formulation application O -Conc. Residual germs / ml no. Conc. alsa as E. coli staphylococus perborate peroxycar- albus bonsäure mg / l mg / l 1 5.0 100 - 10 3 - 103 2 4.2 70 15 0 0 2 1.4 23 5 0 0 2 0.6 10 2 10 0 6 5.0 - -. 104 ~ 4 - i03 Detergent No. 1, world A t +? / tCGIeubora contains as an active oxygen compound, is not able to completely kill the test germs under the conditions mentioned.

The microbicidal effect according to the invention has a significantly better microbicidal effect Recipe No. 2 even with underdosing. The comparatively investigated Active oxygen-free recipe 6, on the other hand, has no disinfecting effect at all.

Examples of detergents according to the invention The following examples for detergents according to the invention have illustrative, but not restrictive Character.

The names and abbreviations in the examples are as follows Meaning: DPAA: diperazelaic acid DPDA: diperdodecanedioic acid DPI: diperisophthalic acid NaTP: pentasodium triphosphate NTA: trisodium salt of nitrilotriacetic acid READ: Sodium salt of a straight-chain alkylbenzenesulfonic acid FA-0O addition products of ethylene oxide (ÄO) to a fatty alcohol component composition 9 10 11 12 Na perborate tetrahydrate - 22.1-20.8 N perborate monohydrate 15.3 - - -Na percarbonate - - 15.8 -DPAA (100%) 1) - 2.9 3.0 -DPDA (100%) 1) 3.1 - - -DPI (100%) 1) - - - 4.0 NaTP 31.8 20.3 21.4 -Na-Al-Silicate (dry matter) - 19.4 18.3 32.8 NTA - - - 7.3 LAS 5.7 7.2 6.8 7.1 FA-AO 4.5 5.1 5.3 4.9 Soap 2.7 3.2 2.9 3.0 Na- silicate 6.4 CMC (100%) 1.7 2.1 1.9 2.4 Mg-Silicate 4.3 3.8 5.2 3.2 Na4EDTA (100%) 0.2 0.2 0.3 0.2 Optical brightener 0.25 0.3 0.3 0.3 Enzyme concentrate 0.4 0.4 0.4 0.4 Na2SO4 ) / H2O ad 100 ad 100 ad 100 ad 100 1) used in phlegmatized form (with Na2SO4) 2) including NazSO4 from peroxycarboxylic acid phlegmatization

Claims (9)

Process for bleaching and disinfecting textiles and agents for carrying out the process Claims 1. Process for bleaching and disinfecting of textiles by treating them with an aqueous liquor, which thereby is characterized in that the aqueous liquor is used as a bleaching and disinfecting component a mixture of a) sodium perborate and / or sodium percarbonate and b) one or contains several peroxycarboxylic acids. 2. The method according to claim 1, characterized in that the aqueous In addition to the liquor, inorganic and / or organic builders, surfactants (washing-active Substances) as well as other common detergent components such as corrosion inhibitors, Foam regulators, graying inhibitors, stabilizers, optical brighteners, enzymes, Contains perfume oils and / or auxiliaries. 3. Laundry detergent for carrying out the method according to the claims 1 - 2, characterized in that their composition is within the following Formulation is: 10-40 wt .-%, preferably 12-25 wt .-% sodium perborate and / or Sodium percarbonate 1 to 12% by weight, preferably 1 to 7% by weight of peroxycarboxylic acid or a mixture of peroxycarboxylic acids 10-70% by weight, preferably 25-45% by weight, inorganic and / or organic builders 5-30% by weight, preferably 8-10% by weight * anionic and nonionic and / or zwitterionic surfactants 0-50% by weight otherwise customary Detergent ingredients such as corrosion inhibitors, foam regulators, graying inhibitors, Stabilizers, optical brighteners, enzymes, perfume oils and / or auxiliaries. 4. The method and means according to claims 1 - 3, characterized in that that as sodium perborate sodium perborate tetrahydrate NaBO3. 4 H2O (or NaBO2. HO2.3H2O) and / or sodium perborate monohydrate NaBO3.H20 (or NaBO2. H2O2) can be used. 5. The method and means according to claims 1 - 4, characterized in that, that sodium carbonate perhydrate Na2CO3.1.5 H202 is used as sodium percarbonate will. 6. The method and means according to claims 1-5, characterized in that that stable diperoxycarboxylic acids are used as peroxycarboxylic acids, preferably aliphatic diperoxycarboxylic acids with 6-14 carbon atoms and aromatic ones Diperoxycarboxylic acids. 7. The method and means according to claims 1-6, characterized in that that the peroxycarboxylic acids are used in phlegmatized form. 8. The method and means according to claims 1-6, characterized in that that the peroxycarboxylic acids are used in coated form. 9. Verfshren and means according to claims 1 - 8, characterized in that that as peroxycarboxylic acids diperazelaic acid and / or diperdodecanedioic acid and / or Diperisophthalic acid, preferably used in phlegmatized form.