EP2904084A1 - Détergents dotés d'agents complexants ii, de performance améliorée - Google Patents

Détergents dotés d'agents complexants ii, de performance améliorée

Info

Publication number
EP2904084A1
EP2904084A1 EP13766110.4A EP13766110A EP2904084A1 EP 2904084 A1 EP2904084 A1 EP 2904084A1 EP 13766110 A EP13766110 A EP 13766110A EP 2904084 A1 EP2904084 A1 EP 2904084A1
Authority
EP
European Patent Office
Prior art keywords
formula
washing
acid
preferred
detergents
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.)
Ceased
Application number
EP13766110.4A
Other languages
German (de)
English (en)
Inventor
Christian Kropf
Nicole PLATH
Inga Kerstin Vockenroth
Eva-Maria Wikker
Danuta Bedrunka
Mareile Job
Christian Umbreit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of EP2904084A1 publication Critical patent/EP2904084A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids

Definitions

  • the invention relates to performance-enhanced detergents or cleaners that certain
  • the most important constituents of the water hardness are salts of calcium and magnesium, in particular chlorides, sulfates and bicarbonates, which are known as so-called hardness images. Since the bicarbonates are converted into carbonates under thermal stress, a part of the calcium salts precipitates as poorly soluble CaC0 3 , especially in washing and cleaning operations at elevated temperatures. At high magnesium concentrations, basic magnesium carbonates are also formed. Contain the detergents and cleaning agents themselves carbonates, for example in the form of alkali metal carbonates or other precursors such
  • Phosphonates, polycarboxylates, gluconates, NTA and EDTA are not or only partially produced on the basis of renewable raw materials, which phosphonates, NTA and EDTA can still lead to an environmentally harmful contamination of the wastewater.
  • EP 0 970 167 B1 discloses processes for improved cleaning of hard and textile surfaces by using tetrasodiumiminodisuccinate (also: iminodisuccinate tetrasodium salt, ⁇ - (1,2-dicarboxyethyl) aspartic acid tetrasodium salt, and the salts are also called iminodisuccinates (IDS) ).
  • tetrasodiumiminodisuccinate also: iminodisuccinate tetrasodium salt, ⁇ - (1,2-dicarboxyethyl) aspartic acid tetrasodium salt, and the salts are also called iminodisuccinates (IDS) ).
  • Fabric detergents which contain 0.5 to 5% by weight of alkali metal salts as bleaching agents and 0.05 to 5% by weight of IDS or OH-substituted IDS (HIDS) are disclosed in WO 2001/88077 A1. This paper also mentions the bleach-stabilizing effect of IDS.
  • X represents a hydrogen atom, a monovalent cation or the nth part of an n-valent cation.
  • the compounds of the formula (I) are preferably employed in the compositions according to the invention in amounts of up to 10% by weight, based in each case on the weight of the composition.
  • Detergents or cleaning agents according to the invention are characterized in that the compound of the formula (I) is used in an amount of from 0.1 to 5% by weight, preferably from 0.2 to 3% by weight, more preferably from 0.3 to 2.5 wt .-%, even more preferably from 0.4 to 2 wt .-% and in particular from 0.5 to 1, 5 wt .-%, in each case based on the weight of the washing or cleaning agent is included.
  • X represents a hydrogen atom, a monovalent cation or the n-th part of an n-valent cation.
  • the acid groups may be completely or partially neutralized. It is preferred in the manufacture of Washing or cleaning agents to use the alkali metal salts of the compounds of formula (I), wherein the sodium salts and including the tetrasodium salts are particularly preferred.
  • Detergents or cleaning agents which are preferred according to the invention are characterized in that X + in formula (I) is Na + .
  • n 3, 4, 5, 6, 7, 8, 9, 10 or 11.
  • -H, -CH 3 , -CH 2 -CH 3 , - (CH 2 ) 2 -CH 3 are particularly preferred.
  • X represents a hydrogen atom, a monovalent cation or the nth part of an n-valent cation.
  • Representatives derived from formula (1-1) (R H) are particularly preferred.
  • preferred washing or cleaning agents according to the invention are characterized in that they contain, based on the weight of the washing or cleaning agent, 0.1 to 5% by weight, preferably 0.2 to 3% by weight, more preferably 0 , 3 to 2.5 wt .-%, even more preferably 0.4 to 2 wt .-% and in particular 0.5 to 1, 5 wt .-% of at least one compound of formula (1-1 a)
  • the compound of formula (1-1 a) is the tetrasodium salt of N- (1, 2-dicarboxy-2-hydroxyethyl) - iminodiacetic acid (DHEI) and is characterized by an effective hardness reduction in a wide pH range and by an increase in the Cleaning performance off.
  • DHEI dihydroxyethyl
  • Detergents or cleaning agents according to the invention contain an enzyme or a mixture of enzymes. Particularly suitable are those from the class of the hydrolases such as proteases, (poly) esterases, lipases, amylases, glycosyl hydrolases, cellulases, hemicellulases, cutinases, ⁇ -glucanases, oxidases, peroxidases, mannanases, perhydrolases, pectate lyases, oxireductases and / or laccases.
  • the amount of enzyme or of the enzymes is preferably 0.01 to 10 wt .-%, preferably 0.12 to about 3 wt .-%, based on the total washing or Cleaning supplies. In liquid formulations, the enzymes are preferred as
  • Preferred washing or cleaning agents according to the invention are characterized in that they contain at least one enzyme from the group of cellulases and / or proteases and / or amylases.
  • the washing or cleaning agents according to the invention preferably comprise (a) surfactant (s), particularly preferably a mixture of a plurality of surfactants
  • the first surfactant used according to the invention is preferably at least one anionic surfactant.
  • Suitable anionic surfactants in detergents or cleaners according to the invention are all anionic surface-active substances. These are characterized by a water-solubilizing, anionic group such as. As a carboxylate, sulfate, sulfonate or phosphate group and a lipophilic alkyl group having about 8 to 30 carbon atoms. In addition, glycol or polyglycol ether groups, ester, ether and amide groups and hydroxyl groups may be present in the molecule. Examples of suitable anionic surfactants are, in each case in the form of the sodium, potassium and ammonium as well as the mono-, di- and trialkanolammonium salts having 2 to 4 C atoms in the alkanol group,
  • Sulfosuccinic acid mono- and dialkyl esters having 8 to 24 C atoms in the alkyl group and sulfosuccinic acid monoalkylpolyoxyethyl esters having 8 to 24 C atoms in the alkyl group and 1 to 6 oxyethyl groups,
  • Alpha-sulfofatty acid methyl esters of fatty acids having 8 to 30 carbon atoms are alpha-sulfofatty acids having 8 to 30 carbon atoms.
  • Alkyl sulfates and alkyl polyglycol ether sulfates of the formula R-O (CH 2 -CH 2 O) x -OSO 3 H, in which R is a preferably linear alkyl group having 8 to 30 C atoms and x 0 or 1 to 12,
  • esters of tartaric acid and citric acid with alcohols which are addition products of about 2-15 molecules of ethylene oxide and / or propylene oxide onto fatty alcohols having 8 to 22 C atoms, alkyl and / or alkenyl ether phosphates of the formula (Tl),
  • OX in the R 29 is preferably an aliphatic hydrocarbon radical having 8 to 30 carbon atoms
  • R 30 is hydrogen, a radical (CH 2 CH 2 O) n R 29 or X, n is from 1 to 10 and X is hydrogen, an alkali or alkaline earth metal or NR 3 R 32 R 33 R 34 , where R 3 to R 34 are independently of one another a C 1 to C 4 hydrocarbon radical,
  • R 35 CO- for a linear or branched, aliphatic, saturated and / or unsaturated acyl radical having 6 to 22 C atoms, Alk for CH 2 CH 2 , CHCH 3 CH 2 and / or CH 2 CHCH 3 , n for numbers from 0.5 to 5 and M is a cation, as described in DE-OS 197 36 906.5,
  • Monoglyceride (ether) sulfates are the reaction products of lauric acid monoglyceride
  • monoglyceride sulfates of the formula (TIM) are used, in which R 36 CO is a linear acyl radical having 8 to 18 carbon atoms.
  • Preferred anionic surfactants in detergents or cleaners according to the invention are:
  • Preferred washing or cleaning agents according to the invention comprise at least one surfactant of the formula
  • R is a linear or branched, substituted or unsubstituted alkyl, aryl or alkylaryl radical, preferably a linear, unsubstituted alkyl radical, more preferably a fatty alcohol radical.
  • Preferred radicals R are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, where the representatives with even number of carbon atoms are preferred.
  • radicals R are derived from C 2 -C 8 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or of C 0 -C 20 - oxo alcohols.
  • AO represents an ethylene oxide (EO) or propylene oxide (PO) moiety, preferably an ethylene oxide moiety.
  • the index n stands for an integer from 1 to 50, preferably from 1 to 20 and in particular from 2 to 10. Most preferably, n stands for the numbers 2, 3, 4, 5, 6, 7 or 8.
  • X stands for a monovalent cation or the nth part of an n-valent cation, preference is given to the alkali metal ions and below Na + or K + , with Na + being extremely preferred.
  • Other cations X + may be selected from NH 4 + , V 2 Zn 2+ , / Mg 2+ , / Ca 2+ , / Mn 2+ , and theirs
  • particularly preferred detergents or cleaners according to the invention comprise at least one anionic surfactant selected from fatty alcohol ether sulfates of the formula A-1
  • washing or cleaning agents according to the invention additionally comprise at least one surfactant of the formula
  • R 3 is a linear or branched, substituted or unsubstituted alkyl, aryl or alkylaryl radical and the grouping -A- for -O- or a chemical bond.
  • R 3 is preferred.
  • R 3 is preferably a linear, unsubstituted alkyl radical, more preferably a fatty alcohol radical.
  • Preferred radicals R are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, where the representatives with even number of carbon atoms are preferred.
  • Particularly preferred radicals R are derived from C K - Ci 8 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or C 0 -C 2 o-oxo alcohols.
  • X stands for a monovalent cation or the n-th part of an n-valent cation, preferred are the alkali metal ions and including Na + or K + , with Na + is highly preferred.
  • Other cations X + may be selected from NH 4 + , Y 2 Zn 2+ , Y 2 Mg 2+ , Y 2 Ca 2+ , Y 2 Mn 2+ , and mixtures thereof.
  • Such particularly preferred surfactants are selected from fatty alcohol sulfates of the formula A-2
  • R 3 is preferably a linear or branched unsubstituted alkylaryl radical.
  • X is a monovalent cation or the nth part of an n-valent cation, the alkali metal ions being preferred, and Na + or K + being preferred, Na + being extremely preferred.
  • Other cations X + may be selected from NH 4 + , Y 2 Zn 2+ , Y 2 Mg 2+ , Y 2 Ca 2+ , Y 2 Mn 2+ , and theirs
  • Such highly preferred surfactants are selected from linear or branched
  • R ' and R " together contain from 9 to 19, preferably from 1 to 15, and in particular from 1 to 13, carbon atoms
  • a particularly preferred representative can be described by the formula A-3a:
  • the detergents or cleaners of the invention may contain nonionic surfactant (s).
  • nonionic surfactant s
  • Such compounds are, for example, with a methyl or C 2 -C 6 - alkyl radical end-capped addition products of 2 to 50 moles of ethylene oxide and / or 0 to 5 moles of propylene oxide to linear and branched fatty alcohols having 8 to 30 carbon atoms, to fatty acids with 8 bis 30 carbon atoms and with alkylphenols having 8 to 15 carbon atoms in the alkyl group, such as those available under the trade names Dehydol ® LS, LT Dehydol ® types (Cognis),
  • Polyol fatty acid esters such as the commercially available product ® Hydagen HSP (Cognis) or Sovermol - types (Cognis),
  • alkoxylated fatty acid alkyl esters of the formula R 37 CO- (OCH 2 CHR 38 ) w OR 39 , (TIV),
  • R 38 is hydrogen or methyl
  • R 39 is linear or branched
  • the washing or cleaning agent according to the invention contains at least one nonionic surfactant from the group of fatty alcohol ethoxylates, since these surfactants give high-performance detergents even at low washing temperatures and have excellent low-temperature stability in the case of liquid preparations.
  • preferred detergents or cleaners according to the invention additionally comprise at least one nonionic surfactant of the formula
  • R 2 is a linear or branched, substituted or unsubstituted alkyl, aryl or alkylaryl radical
  • AO for an ethylene oxide (EO) or propylene oxide (PO) grouping
  • R 2 is a linear or branched, substituted or unsubstituted alkyl, aryl or alkylaryl radical, preferably a linear, unsubstituted alkyl radical, particularly preferably a fatty alcohol radical.
  • Preferred radicals R 2 are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl radicals and mixtures thereof, where the representatives with even number of carbon atoms Atoms are preferred.
  • radicals R 2 are derived from C 2 -C 8 fatty alcohols, for example coconut fatty alcohol, tallow fatty alcohol, lauryl, myristyl, cetyl or stearyl alcohol, or C 0 -C 2 o-oxo alcohols.
  • AO represents an ethylene oxide (EO) or propylene oxide (PO) moiety, preferably an ethylene oxide moiety.
  • EO ethylene oxide
  • PO propylene oxide
  • m is an integer from 1 to 50, preferably from 1 to 20 and especially from 2 to 10. Most preferably, m is the numbers 2, 3, 4, 5, 6, 7 or 8.
  • particularly preferred surfactants are selected from fatty alcohol ethoxylates of the formula C-1
  • washing or cleaning agents according to the invention are preferred which are preferred which are preferred which are preferred which are preferred which are preferred which are preferred which are preferred which are preferred which are preferred
  • R 1 , R 2 , R 3 independently of one another represent a linear or branched, substituted or unsubstituted alkyl, aryl or alkylaryl radical,
  • AO for an ethylene oxide (EO) or propylene oxide (PO) grouping
  • n, m for integers from 1 to 50
  • A is -O- or a chemical bond
  • X, Y independently of one another represent a monovalent cation or the nth part of an n-valent cation.
  • surfactants i) and ii) have been described above as preferred surfactants a) of the formulas (A-2) and (A-3), the surfactant iii) as the preferred surfactant having the formula (C-1).
  • Preferred detergents or cleaners according to the invention comprise fatty alcohol ether sulfate (s), fatty alcohol ethoxylate (s) and alkyl benzene sulfonate (s). Most preferably, these are used within even narrower ranges.
  • Preferred detergents or cleaners contain 2 to 25% by weight, preferably 2.5 to 20% by weight, more preferably 3 to 17.5% by weight and in particular 5 to 12, based on the total amount of the detergent or cleaning agent 5% by weight of fatty alcohol ether sulfate (e).
  • washing or cleaning agents contain, based on the total amount of the washing or cleaning agent, 2.5 to 20 wt .-%, preferably 3 to 18 wt .-%, more preferably 3.5 to 17 wt .-%, even more preferably 4 to 15 wt .-% and in particular 5 to 10 wt .-% of surfactants from the group comprising C 9 _i 3 -alkylbenzenesulfonates, olefin sulfonates, Ci2-i8-alkanesulfonates ester sulfonates, alk (en) ylsulfate, and mixtures thereof.
  • surfactants from the group comprising C 9 _i 3 -alkylbenzenesulfonates, olefin sulfonates, Ci2-i8-alkanesulfonates ester sulfonates, alk (en) ylsulfate, and mixtures thereof.
  • Further preferred detergents or cleaning agents contain 1 to 15% by weight, preferably 2 to 14% by weight, more preferably 2.5 to 13% by weight, even more preferably 3 to 15, based on the total amount of the detergent or cleaning agent 10 wt .-% and in particular 3.5 to 6 wt .-%
  • Particularly preferred detergents or cleaners contain nonionic surfactants in specific amounts. Extremely preferred detergents or cleaners according to the invention are characterized in that the total amount of nonionic surfactants, based on the weight of the washing or cleaning agent, is 1 to 20% by weight, preferably 2 to 15% by weight, more preferably 2.5 to 12 , 5 wt .-%, even more preferably 3 to 1 1 wt .-% and in particular 4 to 10 wt .-% is.
  • detergents or cleaners according to the invention additionally contain soap (s).
  • Preferred washing or cleaning agents according to the invention are characterized in that they contain, based on their weight, from 0.5 to 15% by weight, preferably from 1 to 12.5% by weight, more preferably from 1 to 5% by weight. %, more preferably 2 to 7.5 wt .-% and in particular 2.5 to 6 wt .-% soap (s) included.
  • washing or cleaning agent according to the invention may contain other ingredients that the performance and / or aesthetic properties of the washing or
  • the washing or cleaning agent preferably additionally contains one or more substances from the group of builders, bleaching agents, electrolytes, nonaqueous solvents, pH adjusters, perfumes, perfume carriers, Fluorescers, dyes, hydrotropes, foam inhibitors, silicone oils, anti redeposition agents, grayness inhibitors, anti-shrinkage agents, crease inhibitors, dye transfer inhibitors, antimicrobial agents, germicides, fungicides, antioxidants, preservatives,
  • Corrosion inhibitors antistatic agents, bittering agents, ironing aids, repellents and impregnating agents, swelling and anti-slip agents, plasticizing components and UV absorbers.
  • silicates As builders, which may be contained in the washing or cleaning agent, in particular silicates, aluminum silicates (especially zeolites), carbonates, salts of organic di- and
  • Organic builders which may be present in the washing or cleaning agent are, for example, the usable in the form of their sodium salts polycarboxylic acids, wherein
  • Polycarboxylic acids are understood as meaning those carboxylic acids which carry more than one acid function.
  • these are citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartaric acid, maleic acid, fumaric acid, sugar acids, aminocarboxylic acids, and mixtures of these.
  • Preferred salts are the salts of polycarboxylic acids such as citric acid, adipic acid, succinic acid, glutaric acid, tartaric acid, sugar acids and mixtures thereof.
  • polymeric polycarboxylates are suitable. These are, for example, the
  • Alkali metal salts of polyacrylic acid or polymethacrylic acid for example, those having a molecular weight of 600 to 750,000 g / mol.
  • Suitable polymers are, in particular, polyacrylates, which preferably have a molecular weight of from 1, 000 to 15, 000 g / mol. Because of their superior solubility, the short-chain polyacrylates, which have molecular weights of from 1 000 to 10 000 g / mol, and particularly preferably from 1 000 to 5 000 g / mol, may again be preferred from this group.
  • copolymeric polycarboxylates in particular those of acrylic acid with methacrylic acid and of acrylic acid or methacrylic acid with maleic acid.
  • the polymers may also contain allylsulfonic acids, such as allyloxybenzenesulfonic acid and methallylsulfonic acid, as a monomer.
  • Soluble builders such as, for example, citric acid, or acrylic polymers having a molar mass of from 1,000 to 5,000 g / mol are preferably used in liquid detergents or cleaners.
  • Preferred detergents or cleaners are liquid and preferably contain water as the main solvent. It is preferred that the washing or cleaning agent more than 5% by weight, preferably more than 15 wt .-% and particularly preferably more than 25 wt .-%, each based on the total amount of detergent or cleaning agent, water contains. Particularly preferred liquid detergents or cleaners according to the invention contain, based on their weight, 5 to 90% by weight, preferably 10 to 85% by weight, particularly preferably 25 to 75% by weight and in particular 35 to 65% by weight. Water.
  • nonaqueous solvents can be added to the washing or cleaning agent.
  • Suitable non-aqueous solvents include mono- or polyhydric alcohols, alkanolamines or glycol ethers, provided that they are miscible with water in the specified concentration range.
  • the solvents are selected from ethanol, n-propanol, i-propanol, butanols, glycol, propanediol, butanediol, methylpropanediol, glycerol, diglycol, propyldiglycol, butyldiglycol, hexylene glycol, ethylene glycol methyl ether, ethylene glycol ethyl ether, ethylene glycol propyl ether,
  • the washing or cleaning agent contains an alcohol, in particular ethanol and / or glycerol, in amounts of between 0.5 and 5 wt .-%, based on the total washing or cleaning agent.
  • a liquid washing or cleaning agent may contain dispersed particles whose diameter along their greatest spatial extent is preferably 1 to 2000 ⁇ m.
  • particles may be capsules, abrasives as well as powders, granules or compounds of compounds which are insoluble in the washing or cleaning agent, with capsules being preferred.
  • capsule on the one hand understood aggregates with a core-shell structure and on the other hand aggregates with a matrix.
  • Core-shell capsules contain at least one solid or liquid core which is enclosed by at least one continuous shell, in particular a shell of polymer (s).
  • liquid washing or cleaning agent can be enclosed stable in storage and transport.
  • active ingredients for example, optical brighteners, surfactants, complexing agents, bleaching agents, bleach activators, dyes and fragrances, antioxidants, builders, enzymes, enzyme stabilizers, antimicrobial agents, grayness inhibitors,
  • the fillings of the capsules may be solids or liquids in the form of solutions or emulsions or suspensions.
  • the capsules may have any shape in the production-related framework, but they are preferably approximately spherical. Their diameter along their largest spatial
  • Expansion can be between 1 [im and 2000 ⁇ depending on the components contained in its interior and the application.
  • particles which have no core-shell structure but in which the active substance is distributed in a matrix of a matrix-forming material. Such particles are also referred to as "matrix particles”.
  • the matrix formation in these materials takes place for example via gelation, polyanion-polycation interactions or polyelectrolyte-metal ion interactions and is well known in the art as well as the production of particles with these matrix-forming materials.
  • An exemplary matrix-forming material is alginate.
  • For the production of alginate-based speckles is an aqueous alginate solution, which also includes the active ingredient or the
  • the capsules can be stably dispersed in the liquid detergents or cleaners.
  • Stable means that the detergents or cleaning agents are stable at room temperature for a period of at least 4 weeks, and preferably for at least 6 weeks, without the particles in the medium creaming or sedimenting.
  • the release of the active ingredients from the capsules is usually carried out by destruction of the shell or the matrix due to mechanical, thermal, chemical or enzymatic action.
  • liquid detergents or cleaners contain capsules in which one or more fragrances are contained.
  • the particles may comprise abrasives such as plastic or calcium carbonate beads as well as powders, granules or compounds of compounds insoluble in the detergent or cleaning agent.
  • abrasives such as plastic or calcium carbonate beads as well as powders, granules or compounds of compounds insoluble in the detergent or cleaning agent.
  • Detergent identical or different particles in amounts of 0.05 to 10 wt .-%, in particular 0.1 to 8 wt .-% and most preferably 0.2 to 5 wt .-%.
  • a further subject of the present invention relates to the use of compounds of the formula (I)
  • X represents a hydrogen atom, a monovalent cation or the n-th part of an n-valent cation
  • a further subject of the present invention relates to the use of compounds of the formula (I)
  • X represents a hydrogen atom, a monovalent cation or the n-th part of an n-valent cation
  • the calcium binding capacity of the complexing agents used according to the invention was tested by adding to 250 ml of water having a pH of 8.5 or 10 and 30 ° dH at 25 ° C. 5 ml of a solution (1 g / l) of the complexing agent used according to the invention and the pH Value, if necessary, was readjusted to 8.5 or 10 again. Then, after 5 minutes using a calcium-sensitive electrode, the residual hardness of the solutions was determined.
  • Table 2 shows the liquid detergent A according to the invention in comparison with a commercial liquid detergent B without essential to the invention complexing agent:
  • Citric acid 2 2 Sodium hydroxide, 50% 3 3
  • Detergent B from Table 2 was used as a reference and compared with the detergent A according to the invention, which contained 1.5% of the complexing agent used according to the invention. After hanging drying and mangling of the cloth rags their whiteness was determined spectrophotometrically (Minolta CR400-1).
  • Table 3 The values given (Table 3) are mean values of 6 determinations. The soiled textiles were bought. Shown are the differences of the remission values to the standard detergent B and the errors in the 6-fold determination (LSD).
  • Soiling in particular on enzymatic but also on greasy and bleach-sensitive stains.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

L'invention concerne des détergents, contenant au moins un composé de la formule (I) dans laquelle R1 für –H, -CH3, -CH2-CH3, -(CH2)2-CH3, -CH-(CH3)2 ou –(CH2)n-CH3 où n = 3, 4, 5, 6, 7, 8, 9, 10 ou 11 ; X représente un atome d'hydrogène, un cation monovalent ou la nième partie d'un cation n-valent. Les détergents présentent une puissance de nettoyage améliorée notamment sur les salissures enzymatiques.
EP13766110.4A 2012-10-02 2013-09-24 Détergents dotés d'agents complexants ii, de performance améliorée Ceased EP2904084A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210218021 DE102012218021A1 (de) 2012-10-02 2012-10-02 Leistungsgesteigerte Wasch- oder Reinigungsmittel mit Komplexbildnern II
PCT/EP2013/069861 WO2014053367A1 (fr) 2012-10-02 2013-09-24 Détergents dotés d'agents complexants ii, de performance améliorée

Publications (1)

Publication Number Publication Date
EP2904084A1 true EP2904084A1 (fr) 2015-08-12

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Application Number Title Priority Date Filing Date
EP13766110.4A Ceased EP2904084A1 (fr) 2012-10-02 2013-09-24 Détergents dotés d'agents complexants ii, de performance améliorée

Country Status (3)

Country Link
EP (1) EP2904084A1 (fr)
DE (1) DE102012218021A1 (fr)
WO (1) WO2014053367A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021226845A1 (fr) * 2020-05-12 2021-11-18 南京艾普拉斯化工有限公司 Agent chélatant, agent de nettoyage et procédé de préparation d'un agent chélatant

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4024552A1 (de) * 1990-08-02 1992-02-06 Henkel Kgaa Derivat der aminobernsteinsaeure als komplexierungsmittel
DE19700493A1 (de) * 1997-01-09 1998-07-16 Bayer Ag Verfahren zur Reinigung von Oberflächen
EP0892040B1 (fr) * 1997-07-16 2003-03-05 Nippon Shokubai Co., Ltd. Utilisation des compositions chélatantes pour le nettoyage
JP3290382B2 (ja) * 1997-07-18 2002-06-10 花王株式会社 粉末洗剤組成物
DE19736906A1 (de) 1997-08-25 1999-03-04 Henkel Kgaa Verfahren zur Herstellung von sulfatierten Fettsäurealkylenglykolestern
GB0011678D0 (en) 2000-05-15 2000-07-05 Unilever Plc Detergent compositions

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2014053367A1 *

Also Published As

Publication number Publication date
DE102012218021A1 (de) 2014-04-03
WO2014053367A1 (fr) 2014-04-10

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