EP0266379A1 - Washing agents - Google Patents
Washing agentsInfo
- Publication number
- EP0266379A1 EP0266379A1 EP87902432A EP87902432A EP0266379A1 EP 0266379 A1 EP0266379 A1 EP 0266379A1 EP 87902432 A EP87902432 A EP 87902432A EP 87902432 A EP87902432 A EP 87902432A EP 0266379 A1 EP0266379 A1 EP 0266379A1
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- European Patent Office
- Prior art keywords
- weight
- compounds
- per
- detergents
- mixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Definitions
- the present invention relates to detergents based on surfactants, builders, per compounds and N, N, N ', N'-tetraacetylethylenediamine as acetyl donor and, if appropriate, further auxiliaries and additives which in particular allow washing and bleaching laundry at low temperatures.
- peroxygen bleaches such as. B. of sodium perborate or sodium carbonate
- detergents for bleaching fabrics have long been known. It is also known that temperatures above 60 ° C. are usually required to achieve this bleaching effect of the per-compounds.
- temperatures above 60 ° C. are usually required to achieve this bleaching effect of the per-compounds.
- per-compounds or persalts
- peracid precursors are activators for the per-compounds.
- they form a per-acid in the washing solution, which supplies the oxygen responsible for the bleaching effect.
- Suitable activators are N-acyl compounds or O-acyl compounds, especially N-acetyl compounds or O-acetyl compounds.
- the N-acyl and O-acyl compounds i.e. acyl donors
- react with the per compounds i.e. H. the oxygen donors with the formation of percarboxylic acids.
- N-acetyl compounds and O-acetyl compounds give peracetic acid, the strong microbicidal activity is known and is widely used for chemical sterilization.
- acetyl compounds or acetyl donors are N, N, N ', N'-tetraacetylethylenediamine (hereinafter referred to as tetraacetylethylenediamine or TAED), pentaacetylglucose (PAG) and tetraacetylglycoluril (TAGU).
- TAED tetraacetylethylenediamine
- PAG pentaacetylglucose
- TAGU tetraacetylglycoluril
- the object of the present invention is therefore to provide detergents, in particular detergents suitable for low temperatures, which do not have the disadvantages of the known detergents and which have a better microbicidal action at lower temperatures than the known detergents and, moreover, have good storage stability and are neither aggressive nor are corrosive.
- these detergents are said to be so germicidal that they have essentially the same "cold sterilizing effect" as peracetic acid. Surprisingly, it was found that this object can be achieved according to the invention by using mixtures of tetraacetylethylene diamine and certain other acetyl donors.
- the detergents according to the invention are characterized in that they additionally contain pentaacetyl glucose as a further acetyl donor.
- N, N, N ', N'-tetraacetylethylenediamine tetraacetylethylenediamine or TAED
- PAG pentaacetylglucose
- tetraacetylethylenediamine can be mixed with pentaacetylglucose in the weight ratio of tetraacetylethylenediamine to pentaacetylglucose in general between 0.5 to 1.5: 1.5 to 0.5, preferably between 0.75 to 1.25: 1.25 to 0.75 and in particular, the weight ratio of tetraacetylethylenediamine to pentaacetylglucose is 1: 1.
- the mixture of tetraacetylethylenediamine and pentaacetylglucose in particular allows the microbicidal effect of detergents containing such mixtures to be increased to a great extent at low temperatures, a surprising synergism particularly in the case of a weight ratio of tetraacetylethylenediamine to pentaacetylglucose of 1: 1 Effectiveness is achieved. The latter can be demonstrated using qualitative suspension tests.
- the mixture of acetyl donors in the detergent according to the invention is generally used in an amount of 2 to 20 wt.%, Preferably 4 to 14 wt.%, In particular 6 to 12 wt. -% applied.
- Suitable per compounds or oxygen donors according to the invention are generally sodium or potassium perborate, percarbonate, persilicate, perpyrophosphate, caroate and / or percarbamide and / or magnesium monoperoxyphthalate. According to the invention, preference is given to the sodium salts of the compounds mentioned, in particular sodium perborate, percarbonate, caroate and / or percarbamide and / or magnesium monoperoxyphthalate.
- the per compounds can be used individually or in the form of mixtures of two or more per compounds. Examples of suitable mixtures are those of sodium perborate and sodium percarbonate, sodium percarbonate and magnesium monoperoxyphthalate and sodium perborate and magnesium monoperoxyphthalate.
- the caroate is usually a triple salt of potassium peroxymonosulfalt, potassium hydrogen sulfate and potassium sulfate (approx. 45% KHSO 5 , approx. 25%
- Magnesium monoperoxyphthalate is preferably used in the commercial form as hexahydrate. If, according to the invention, the magnesium monoperoxyphthalate is not used alone as a per compound, but in a mixture with one or more further per compound (s), the weight ratios of magnesium monoperoxyphthalate or magnesium monoperoxyphthalate are. 6 H 2 0 to the further per compound (s) 1: 1 to 2.5: 1, preferably 2: 1, and is preferably magnesium monoperoxyphthalate or magnesium monoperoxyphthalate. 6 H 2 0 with sodium perborate or sodium percarbonate in the specified weight ratios.
- the per compound can be used in the detergent according to the invention in an amount of 5 to 40% by weight, preferably 8 to 25% by weight and in particular 10 to 20% by weight, for example 15 or 20% by weight.
- the mixture of acetyl donors and the per-compounds in general in the ratio of mixture of acetyl donors to per-compounds of from 1: 0.5 to 10, preferably from 1: 1 to 3 and in particular from 1: 1.4 to 2.1, for example of 1: 1.5 or 1: 2 applied.
- mixtures according to the invention from the mixture of tetraacetylethylenediamine and pentaacetylglucose and per compound (s) can be added to the known conventional detergent compositions in the amounts stated, provided that the other constituents of these detergents are compatible with these mixtures and the effectiveness of the mixtures from the mixtures used according to the invention of TAED and PAG and per compound (s) do not adversely affect.
- Such detergents usually contain surfactants, builders and optionally other customary auxiliaries and additives.
- Suitable surfactants which can be contained in the detergents according to the invention are preferably anionic and / or nonionic surfactants.
- Suitable anionic surfactants are those of the sulfonate, sulfate and carboxylate type which have at least one hydrophobic hydrocarbon radical and one water-solubilizing anionic, cationic, amphoteric or zwitterionic or nonionic group in the molecule.
- Aliphatic hydrocarbon radicals are preferably straight-chain and contain 10-22, in particular 12-18, carbon atoms, alkylaromatic radicals with 8-16, preferably 9-12, carbon atoms in the linear aliphatic radical.
- Suitable surfactants of the sulfonate type are alkylbenzenesulfonates with C 9 -C 15 -alkyl groups and the alkanesulfonates which are obtainable from C 12 -C 18 -alkanes by sulfochlorination or sulfoxidation and subsequent hydrolysis or neutralization or by bisulfite addition to olefins.
- An example of such surfactants is sodium dodecylbenzenesulfonate.
- esters of ⁇ -sulfofatty acids for example the ⁇ -sulfonated methyl or ethyl esters of hydrogenated coconut, palm kernel or tallow fatty acids, and also the olefin sulfonates, ie mixtures of alkene and hydroxyalkane sulfonates and disulfonates as obtained from monoolefins with terminal or internal double bond by sulfonation with gaseous sulfur trioxide and subsequent alkaline or acidic hydrolysis of the sulfonation products.
- Suitable surfactants of the sulfate type are the sulfuric acid monoesters from primary alcohols of natural or synthetic origin, ie from fatty alcohols, such as, for example, coconut fatty alcohols, tallow fatty alcohols, oleyl, lauryl, myristyl, palmityl or stearyl alcohol, or the C 10 -C 20 oxo alcohols and the like secondary alcohols of this chain length.
- fatty alcohols such as, for example, coconut fatty alcohols, tallow fatty alcohols, oleyl, lauryl, myristyl, palmityl or stearyl alcohol, or the C 10 -C 20 oxo alcohols and the like secondary alcohols of this chain length.
- the sulfuric acid monoesters of the aliphatic primary alcohols ethoxylated with 1-6 mol ethylene oxide or ethoxylated secondary alcohols or alkylphenols are also suitable.
- Sulfated fatty acid alkanolamides and sulfated fatty acid monoglycerides are also suitable.
- Suitable carboxylates are soaps, for example those of coconut or tallow fatty acids and / or of foam-suppressing, behenic acid-containing mixtures, and also ether carboxylic acids, such as the salts of carboxymethyl (C 10 -C 18 ) alkyl ethers.
- An example of such surfactants is soap powder, ie a hardened tallow soap Shares in sodium arachinate (C 12 H 39 -COONa) and sodium behenate (C 21 H 43 COONa).
- the anionic surfactants can be in the form of their sodium, potassium and ammonium salts and also as soluble salts of organic bases such as mono-, di- or triethanolamine.
- Sodium dodecylbenzenesulfonate and / or soap powder are particularly suitable according to the invention.
- nonionic surfactants suitable according to the invention are the addition products of 2 to 30, preferably 3-15, in particular 11 moles of ethylene oxide with 1 mole of an aliphatic compound having essentially 10-22 carbon atoms from the group of alcohols, alkylphenols and carboxylic acids. These include the adducts of 8-30 moles of ethylene oxide with primary alcohols, such as on coconut or tallow fatty alcohols, on oleyl alcohol, on oxo alcohols of the corresponding chain length or on corresponding secondary alcohols and on mono- or dialkyl or -alkenylphenols with 6 to 14 carbon atoms in the alkyl or alkenyl radicals.
- Examples of such compounds are in particular the reaction products of straight-chain, saturated C 14 -C 22 fatty alcohols with 11 moles of ethylene oxide and the reaction products of saturated linear C 16 -C 18 fatty alcohols with 15-30, in particular 25 moles of ethylene oxide.
- non-or not fully water-soluble polyglycol ethers with 2-7 ethylene glycol ether residues in the molecule are also of interest, especially if they are used together with water-soluble non-ionic or anionic surfactants.
- water-soluble non-ionic or anionic surfactants are also of particular practical interest because of their good biodegradability especially the ethoxylation products of primary aliphatic alcohols and alkenols.
- EO ethylene oxide
- tallow fatty alcohol 5-EO oleyl / cetyl alcohol 5-EO (iodine number 30-50 )
- Tallow fatty alcohol 7-EO synthetic C 12 -C 16 fatty alcohol 6-E0, C 11 -C 15 oxo alcohol 3-EO, C 14 / C
- Exemplary representatives for the nonionic surfactants with an average degree of ethoxylation of 8 to 30, in particular 9 to 15, are the compounds coconut fatty alcohol-12-EO, synthetic C 12 / C 14 fatty alcohol-9-EO, oleyl / cetyl alcohol-10 -EO, tallow fatty alcohol-14-EO, C 11 -C 15 -oxoalcohol-13-EO, C 15 -C 18 oxoalcohol-15-EO, iC 15 -C 17 -alkanediol-9-E0, C 14 / C 15 - Oxoalcohol-11-EO, sec.-C -11 -C 15 -alcohol-9-EO, straight-chain saturated C 14 -C 22 -fatty alcohol-11-EO, straight-chain, saturated C 16 -C 18 -fatty alcohol-25-EO .
- non-ionic surfactants which can be used are the water-soluble adducts of ethylene oxide with 20 to 250 ethylene glycol ether groups and 10 to 100 propylene glycol ether groups with polypropylene glycol, alkylene diamine polypropylene glycol and with alkyl polypropylene glycols having 1 to 10 carbon atoms in the alkyl chain, in which the polypropylene glycol chain acts as a hydrophobic radical.
- Nonionic surfactants of the amine oxide or sulfoxide type can also be used, for example the compounds N-cocoalkyl-N, N-dimethylamine oxide, N-hexadecyl-N, N-bis (2,3-dihydroxypropyl) amine oxide, N-talgaakyl-N, N-dihydroxyethylamine oxide.
- Nonionic surfactants which are particularly preferred according to the invention are the reaction products of straight-chain, saturated C 14 -C 22 fatty alcohols with 11 mol of ethylene oxide and the reaction products of straight-chain saturated C 16 -C 18 fatty alcohols with 25 mol of ethylene oxide.
- Suitable builders are water-soluble salts of phosphates, pyrophosphates, orthophosphates, polyphosphates, phosphonates, carbonates, polyhydroxysulfonates, polyacetates, carboxylates, polycarboxylates and succinates, and zeolites.
- Another preferred class of builders are the phosphorus-free builders such as sodium carbonate, sodium bicarbonate, sodium citrate, sodium oxydisuccinate, sodium mellitate, sodium nitrilotriacetate, sodium ethylenediaminetetraacetate and mixtures thereof.
- the sodium tripolyphosphate is particularly preferred as builder according to the invention.
- the surfactants and builders together can generally contain in amounts of 10 to 70% by weight, preferably 20-60% by weight, in particular 35-50% by weight. his.
- auxiliaries and additives are corrosion inhibitors, graying inhibitors, fillers, complexing agents, optical additives lighter, enzymes, perfumes, foam regulators, dyes, neutral salts, antioxidants, grip-improving agents and other auxiliaries and additives commonly used in such detergents.
- the mixtures according to the invention can contain one or more corrosion inhibitors.
- Suitable corrosion inhibitors are all known and customary corrosion inhibitors which are compatible with the other constituents of the detergent, e.g. those for iron, galvanized iron and brass.
- suitable corrosion inhibitors are sodium or potassium bicarbonate, carbonate, hydrogen phosphate, dihydrogen phosphate and pyrophosphate as well as mixtures thereof and / or sodium disilicate and / or magnesium silicate.
- Sodium disilicate and / or magnesium silicate are preferably used in the mixtures according to the invention.
- the corrosion inhibitor or the corrosion inhibitor mixture is generally present in the detergents according to the invention in amounts of 3 to 15% by weight, preferably 5 to 11% by weight and in particular 6 to 10% by weight.
- the detergents according to the invention can also contain graying inhibitors which keep the dirt detached from the fibers suspended in the liquor and thus prevent graying.
- Water-soluble colloids of mostly organic nature are suitable for this. Examples are the water-soluble salts of polymeric carboxylic acids, glue, gelatin, salts of ether carboxylic acids and / or ether sulfonic acids of starch or cellulose or salts of acidic sulfuric acid esters of cellulose or starch.
- Polyamides containing water-soluble acidic groups and polyvinylpyrrolidone are also suitable for this purpose.
- Carboxymethylated cellu is preferred according to the invention loose, especially used in the form of their sodium salts.
- Suitable cellulose ethers are methyl cellulose, hydroxyethyl cellulose, methyl hydroxyethyl cellulose, methyl hydroxypropyl cellulose, methyl hydroxybutyl cellulose and methyl carboxymethyl cellulose, the latter in the form of the sodium salt.
- the graying inhibitor or mixtures thereof can generally be present in amounts of 0.5-2% by weight, preferably in amounts of 0.7-1.2% by weight and in particular in an amount of 1% by weight. % included.
- the detergents according to the invention can contain such fillers as are usually used in detergents, provided that they are compatible with the other constituents of the detergents according to the invention.
- Such fillers are, for example, sulfates and / or carbonates of the alkali metals, especially sodium and potassium, such as. B. sodium sulfate and sodium carbonate.
- Such fillers can be contained in the mixtures according to the invention in amounts of 8-40% by weight, preferably 13-26% by weight and in particular in an amount of 15-22% by weight.
- the complexing agents which can be contained in the detergents according to the invention include all complexing agents as are usually used in detergents and which are compatible with the other constituents of the detergents according to the invention.
- Examples of such complexing agents are ethylenediaminotetraacetic acid or its homologues or aminoalkane polyphosphonic acids or hydroxyalkane polyphosphonic acids, such as 1-aminoethane-1,1-diphosphonic acid, aminotrimethylene triphosphonic acid, 1-hydroxyethane-1,1-diphosphonic acids and their homologues, these compounds each in the form of their sodium - Or potassium salts are used.
- Invention according to is particularly preferred disodium ethylenediaminotetraacetic acid.
- these complexing agents can generally be present in amounts of 0.1-2% by weight, preferably in amounts of 0.2-1% by weight and in particular in an amount of 0.2-0.6% by weight. -% included.
- the detergents according to the invention can contain all optical brighteners that are usually used in detergents and are compatible with the other constituents of the detergent.
- optical brighteners are the derivatives of diaminostilbenesulfonic acid or its alkali metal salts.
- Suitable are, for example, salts of 4,4'-bis (2-anilino-4-morpholino-1,3,5-triazin-6-yl-amino) -stilbene-2,2'-disulfonic acid or compounds of the same structure which instead of the morpholino group carry a diethanolamino group, a methylamino group or a 2-methoxyethylamino group or those which carry a methoxyanilino group, such as, for example, disodium-4,4'-bis [4- (p-methoxyanilino) -6-morpholino-1 , 3,5-triazinyl-2-amino] -stilbene-2,2'-disulfonate.
- optical brighteners of the 1,3-diaryl-2-pyrazoline type are also suitable, for example 1- (p-sulfamoylphenyl) -3- (p-chlorophenyl) -2-pyrazoline and compounds of the same structure which, for example, replace the sulfamoyl group carry the methoxycarbonyl, 2-methoxyethoxycarbonyl, the acetylamino or the vinylsulfonyl group.
- substituted aminocoumarins for example 4-methyl-7-dimethylamino- or 4-methyl-7-diethyl-aminocoumarin, 1- (2-benzimidazolyl) -2- (1-hydroxyethyl-2-benzimidazolyl) ethylene, can also be used and 1-ethyl-3-phenyl-7-diethylamino-carbostyryl and 2,5-di- (2-benzoxazolyl) -thiophene, 2- (2-benzoxazolyl) -naphtho [2,3-b] -thiophene and 1,2-di- (5-methyl-2-benzoxazolyl) -ethylene and brighteners of the type of the substituted 4, 4'-distyryldiphenyl, for example 4,4'-bis (4-chloro-3-sulfostyryl) diphenyl.
- the detergents according to the invention can also contain mixtures of the above-mentioned brighteners.
- the mixtures according to the invention preferably contain optical brighteners in the form of the derivatives of diaminostilbenedisulfonic acid or their alkali metal salts, in particular disodium 4,4'-bis- [4- (p-methoxyanilino) -6-morpholino-1,3,5- triazinyl- (2) -amino] -stilbene-2,2'-disulfonate is used.
- the optical brighteners can generally be used in amounts of 0.1-1% by weight, preferably in amounts of 0.1-0.6% by weight and in particular in an amount of 0.2-0. 5 wt .-% be included.
- the enzymes which can be contained in the detergents according to the invention include all enzymes which are usually contained in detergents and which are compatible with the other constituents of the detergents according to the invention.
- suitable enzymes are proteases, amylases and lipases, with proteolytic enzymes being particularly preferred. These proteases are produced by extracellular enzyme formation of microorganisms from the genus Bacillus subtilis or Bacillus licheniformis (cf. Detergent Chemistry, Henkel & Cie., Heidelberg, 1976, pages 162-167).
- the mixtures according to the invention can generally contain the enzymes in amounts of 0.2-1.5% by weight, preferably in amounts of 0.3-1% by weight and in particular in an amount of 0.3-0.5% by weight .-% contain.
- Suitable perfume oils for the detergents according to the invention are all perfume oils which can normally be used for this purpose, provided they do not adversely affect the effectiveness of the detergents according to the invention.
- suitable perfumes are Cleany (Dragoco), Citrone (Naarden).
- the amount of perfume oil that can be used in the detergents according to the invention is not critical. In general, 0.2-2% by weight, preferably 0.3-0.5% by weight and in particular 0.5% by weight of perfume oil can be contained in the detergents according to the invention.
- the detergents according to the invention can optionally also contain dyes, all of the usual dyes suitable for detergents being suitable as long as they are compatible with the other constituents of the detergents according to the invention.
- suitable dyes are acid red and carmine.
- Foam inhibitors which can be used in the mixtures according to the invention are all of the foam inhibitors which are customarily used and which are compatible with the usual constituents of the detergents according to the invention.
- Suitable foam inhibitors are e.g. B. silicone defoamers, microcrystalline waxes with a melting point in the range of about 35 ° C to 115 ° C and a saponification value of less than 100, C 16 - C 22 fatty acids.
- stabilizers for the bleaches or the optical brighteners can also be present in the detergents according to the invention. Suitable as such are all compounds which can normally be used for this purpose, provided that they are compatible with the other constituents of the detergent.
- magnesium salts, in particular magnesium silicate are suitable.
- the detergents according to the invention can generally have the following composition:
- Ratio 1 1 2 - 20% by weight b) one or more per-compounds 5 - 40% by weight c) surfactants and builders 10 - 70% by weight d) one or more corrosion inhibitors 3 - 15% by weight e ) one or more fillers 8-40% by weight f) graying inhibitors 0.5-2% by weight g) complexing agents 0.1-2% by weight h) optical brighteners 0.1-1% by weight i ) Enzymes, preferably proteolytic enzymes 0-1.5% by weight j) Perfume 0-2% by weight and possibly water as the rest.
- the detergents according to the invention are generally in solid form, such as. B. before as a powder or granules and are mixed accordingly with water or added to the wash liquor. Suitable application concentrations depend on the respective intended use. Suitably 0.25-2.5%, preferably 0.5-2% and in particular 0.5-1% are used.
- the detergents according to the invention are used in particular for washing and disinfecting laundry at the same time, in particular at low temperatures. Of particular importance is the use of the low-temperature detergents according to the invention for washing laundry, in particular those made of synthetic fibers, in hospitals and in the medical field.
- the detergents according to the invention were tested for their disinfectant effect in accordance with the guidelines for the testing and evaluation of chemical disinfection processes (as of February 1, 1984) of the German Society for Hygiene and Microbiology (DGHM) and it was found that the detergents of the composition according to the invention were excellent agents for Washing and disinfecting laundry of any material. In addition to excellent cleaning properties, they have very good microbicidal activity, ie. H.
- the detergents according to the invention are non-toxic, non-aggressive and non-corrosive. With the detergents according to the invention, it is possible to use the detergents in a lower concentration and to expose the laundry to lower exposure times at lower temperatures.
- enzymes preferably proteolytic enzymes 0-1% by weight
- perfume 0-0.5% by weight and optionally water as the remainder.
- the detergents according to the invention can be prepared in a customary manner, for example the detergents according to the invention can be prepared by simply mixing the constituents in the amounts stated in a powder mixer and, if appropriate, then granulating. It is also possible to prepare the detergents according to the invention in such a way that several components are mixed into so-called premixes, preferably with simultaneous granulation, and these premixes are then mixed with one another or with further individual components. Another variant consists in combining the individual components to form an aqueous, pasty batch and then subjecting this batch to spray drying. Examples 1-14
- Tinopol sold by Ciba Geigy was used as an optical brightener (disodium 4,4'-bis- 4- (p-methoxyanilino) -6-morpholino -1,3,5-triazinyl- (2) -amino -stilbene-2-2'disulfonate).
- the product Genopol T 110 is a polyglycol ether product which was obtained by reacting straight-chain, saturated C 14 to C 42 fatty alcohols with 11 moles of ethylene oxide.
- n 11.
- the product is waxy, almost white and has a soft consistency. It has the following physical characteristics:
- Example 12 The detergent produced according to Example 12, which has a proteolytic enzyme produced by Röhm, Darmstadt for detergents, was subjected to the qualitative suspension test with regard to its properties.
- the qualitative suspension test was carried out in accordance with the guidelines of the German Society for Hygiene and Microbiology (as of February 1st, 1984) published in Hygiene + Medizin 9 (1984, pages 41-46), mhp-Verlag, Wiesbaden). The following test germs were used:
- E. coli (ATCC 11229) Staph. aureaus (ATCC 6538) Candida albicans (ATCC 10231)
- test temperature used was 40 ° C and the test was carried out for 15 minutes and 30 minutes.
- the test procedure consisted of placing germ-laden cloth lobes (10 ⁇ 10 cm in size) in the detergent solution.
- Test germs used Staph. aureus (ATCC 6538) E. coli (ATCC 8739) Candida alb. (ATCC 10231)
- sodium disilicate can also be used instead of sodium metasilicate.
- the 2 Na salt of this acid can also be used instead of EDTA.
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Abstract
Agents de lavage à base de tensio-actifs, d'adjuvants de lavage, de per-composés et de N, N, N', N'-tétraacétyléthylène en tant que donneur d'acétyle, ainsi que d'autres adjuvants et additifs le cas échéant, ces agents de lavage contenant en plus du pantaacétylglucose comme autre donneur d'acétyle. La tétraacétyléthylènediamine et le pantaacétylglucose sont présents de préférence dans un rapport de 1 : 1. L'emploi du mélange de tétraacétyléthylènediamine et de pantaacétylglucose permet de renforcer considérablement l'action microbicide des agents de lavage à basse température. Ces agents de lavage peuvent être utilisés avec succès à basse température et présentent le même ''effet de stérilisation à froid'' que l'acide per-acétique. Sont particulièrement indiqués des agents de lavage qui contiennent 6 à 12 % en poids d'un mélange de tétraacétyléthylènediamine et de pantaacétylglucose dans un rapport de 1 : 1; 10 à 20 % en poids d'un ou plusieurs per-composés; 35 à 50 % en poids de tensio-actifs et d'adjuvants de lavage; 6 à 10 % en poids d'un ou plusieurs inhibiteurs de corrosion; 15 à 22 % en poids d'une ou plusieurs charges; 1 % en poids d'un ou plusieurs inhibiteurs empêchant le linge de devenir gris; 0,2 à 0,6 % en poids de complexants; 0,2 à 0,6 % en poids d'agents de blanchiment optique; 0,5 % en poids d'enzymes protéolytiques; 0,5 % en poids de parfum et le solde sous forme d'eau, le cas échéant.Washing agents based on surfactants, washing aids, per-compounds and N, N, N', N'-tetraacetylethylene as acetyl donor, as well as other builders and additives the where appropriate, these washing agents additionally containing pantaacetylglucose as another acetyl donor. Tetraacetylethylenediamine and pantaacetylglucose are preferably present in a ratio of 1:1. The use of the mixture of tetraacetylethylenediamine and pantaacetylglucose makes it possible to considerably reinforce the microbicidal action of washing agents at low temperature. These washing agents can be used successfully at low temperatures and exhibit the same “cold sterilizing effect” as per-acetic acid. Particularly suitable are washing agents which contain 6 to 12% by weight of a mixture of tetraacetylethylenediamine and pantaacetylglucose in a ratio of 1:1; 10 to 20% by weight of one or more per-compounds; 35 to 50% by weight surfactants and washing aids; 6 to 10% by weight of one or more corrosion inhibitors; 15 to 22% by weight of one or more fillers; 1% by weight of one or more inhibitors preventing laundry from becoming gray; 0.2 to 0.6% by weight of complexing agents; 0.2 to 0.6% by weight optical brighteners; 0.5% by weight of proteolytic enzymes; 0.5% by weight of perfume and the balance in the form of water, if any.
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE19863615788 DE3615788A1 (en) | 1986-05-10 | 1986-05-10 | LAUNDRY DETERGENT |
DE3615788 | 1986-05-10 |
Publications (1)
Publication Number | Publication Date |
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EP0266379A1 true EP0266379A1 (en) | 1988-05-11 |
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ID=6300561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP87902432A Withdrawn EP0266379A1 (en) | 1986-05-10 | 1987-05-09 | Washing agents |
Country Status (5)
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US (1) | US5021182A (en) |
EP (1) | EP0266379A1 (en) |
AU (1) | AU7391687A (en) |
DE (1) | DE3615788A1 (en) |
WO (1) | WO1987006951A1 (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
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GB8824068D0 (en) * | 1988-10-13 | 1988-11-23 | British Petroleum Co Plc | Santising process |
DE4014978A1 (en) * | 1990-05-10 | 1991-11-14 | Basf Ag | METHOD FOR PRODUCING A GRAINY BLEACH ACTIVATOR COMPOSITION |
US5403549A (en) * | 1993-11-04 | 1995-04-04 | Cyclo3 pss Medical Systems, Inc. | Method for sterilization using a fluid chemical biocide |
DE4443177A1 (en) * | 1994-12-05 | 1996-06-13 | Henkel Kgaa | Activator mixtures for inorganic per compounds |
US5663132A (en) * | 1995-03-01 | 1997-09-02 | Charvid Limited Liability Company | Non-caustic composition comprising peroxygen compound and metasilicate and cleaning methods for using same |
US6194367B1 (en) * | 1995-03-01 | 2001-02-27 | Charvid Limited Liability Co. | Non-caustic cleaning composition comprising peroxygen compound and specific silicate and method of making the same in free-flowing, particulate form |
US6034048A (en) * | 1995-03-01 | 2000-03-07 | Charvid Limited Liability Co. | Non-caustic cleaning composition using an alkali salt |
US6017865A (en) * | 1995-12-06 | 2000-01-25 | The Procter & Gamble Company | Perfume laundry detergent compositions which comprise a hydrophobic bleaching system |
DE19651415A1 (en) * | 1996-12-11 | 1998-06-18 | Henkel Ecolab Gmbh & Co Ohg | Method of instrument disinfection |
US5932531A (en) * | 1997-09-26 | 1999-08-03 | Noramtech Corporation | Method for forming solid detergent activator for use with oxygen bleaches |
US5795854A (en) * | 1997-11-20 | 1998-08-18 | The Procter & Gamble Company | Detergent composition containing cylindrically-shaped bleach activator extrudates |
GB2341553A (en) * | 1998-09-15 | 2000-03-22 | Procter & Gamble | Peroxyacid treatment |
US6551975B1 (en) | 1998-09-15 | 2003-04-22 | The Procter & Gamble Company | Sanitizing compositions and methods |
EP1065265B1 (en) * | 1999-06-30 | 2008-09-24 | Kao Corporation | Germicidal detergent composition |
DE10214750A1 (en) * | 2002-04-03 | 2003-10-16 | Ecolab Gmbh & Co Ohg | Instrument disinfection |
US20060019854A1 (en) * | 2004-07-21 | 2006-01-26 | Johnsondiversey. Inc. | Paper mill cleaner with taed |
US20070264356A1 (en) * | 2006-05-09 | 2007-11-15 | Kelly Ann Ames | Process for the preparation of a ready-to-use disinfectant |
US20100056404A1 (en) * | 2008-08-29 | 2010-03-04 | Micro Pure Solutions, Llc | Method for treating hydrogen sulfide-containing fluids |
US8287916B2 (en) * | 2009-03-05 | 2012-10-16 | E I Du Pont De Nemours And Company | Multi-part kit system for the preparation of a disinfectant of the peracetic acid type |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8334159D0 (en) * | 1983-12-22 | 1984-02-01 | Unilever Plc | Perfume |
-
1986
- 1986-05-10 DE DE19863615788 patent/DE3615788A1/en not_active Withdrawn
-
1987
- 1987-05-09 EP EP87902432A patent/EP0266379A1/en not_active Withdrawn
- 1987-05-09 WO PCT/DE1987/000215 patent/WO1987006951A1/en not_active Application Discontinuation
- 1987-05-09 AU AU73916/87A patent/AU7391687A/en not_active Abandoned
-
1988
- 1988-01-07 US US07/141,700 patent/US5021182A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO8706951A1 * |
Also Published As
Publication number | Publication date |
---|---|
AU7391687A (en) | 1987-12-01 |
WO1987006951A1 (en) | 1987-11-19 |
US5021182A (en) | 1991-06-04 |
DE3615788A1 (en) | 1987-11-12 |
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