EP4012012A1 - Flüssige waschmittelzusammensetzung mit keratin - Google Patents
Flüssige waschmittelzusammensetzung mit keratin Download PDFInfo
- Publication number
- EP4012012A1 EP4012012A1 EP20213868.1A EP20213868A EP4012012A1 EP 4012012 A1 EP4012012 A1 EP 4012012A1 EP 20213868 A EP20213868 A EP 20213868A EP 4012012 A1 EP4012012 A1 EP 4012012A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- detergent composition
- liquid detergent
- composition according
- alkyl
- keratin
- 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.)
- Pending
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 108
- 239000003599 detergent Substances 0.000 title claims abstract description 72
- 239000007788 liquid Substances 0.000 title claims abstract description 45
- 102000011782 Keratins Human genes 0.000 title claims abstract description 20
- 108010076876 Keratins Proteins 0.000 title claims abstract description 20
- 239000004094 surface-active agent Substances 0.000 claims abstract description 17
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- 239000004753 textile Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000002280 amphoteric surfactant Substances 0.000 claims abstract description 8
- 239000002888 zwitterionic surfactant Substances 0.000 claims abstract description 8
- -1 alkyl ether sulfate Chemical class 0.000 claims description 27
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 26
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- 125000000217 alkyl group Chemical group 0.000 claims description 11
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- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 8
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- 150000001875 compounds Chemical class 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
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- 229920000742 Cotton Polymers 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Chemical group CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
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- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 3
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- PQHYOGIRXOKOEJ-UHFFFAOYSA-N 2-(1,2-dicarboxyethylamino)butanedioic acid Chemical compound OC(=O)CC(C(O)=O)NC(C(O)=O)CC(O)=O PQHYOGIRXOKOEJ-UHFFFAOYSA-N 0.000 description 2
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- CIEZZGWIJBXOTE-UHFFFAOYSA-N 2-[bis(carboxymethyl)amino]propanoic acid Chemical compound OC(=O)C(C)N(CC(O)=O)CC(O)=O CIEZZGWIJBXOTE-UHFFFAOYSA-N 0.000 description 2
- OSCJHTSDLYVCQC-UHFFFAOYSA-N 2-ethylhexyl 4-[[4-[4-(tert-butylcarbamoyl)anilino]-6-[4-(2-ethylhexoxycarbonyl)anilino]-1,3,5-triazin-2-yl]amino]benzoate Chemical compound C1=CC(C(=O)OCC(CC)CCCC)=CC=C1NC1=NC(NC=2C=CC(=CC=2)C(=O)NC(C)(C)C)=NC(NC=2C=CC(=CC=2)C(=O)OCC(CC)CCCC)=N1 OSCJHTSDLYVCQC-UHFFFAOYSA-N 0.000 description 2
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- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000000282 nail Anatomy 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 239000003605 opacifier Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000006072 paste Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- 239000003531 protein hydrolysate Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000012748 slip agent Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/94—Mixtures with anionic, cationic or non-ionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/384—Animal products
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/29—Sulfates of polyoxyalkylene ethers
-
- 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/88—Ampholytes; Electroneutral compounds
- C11D1/90—Betaines
-
- C11D2111/12—
Definitions
- the present invention relates to a liquid detergent composition that comprises a surfactant system comprising at least one anionic surfactant, at least one amphoteric/zwitterionic surfactant and keratin.
- the invention further relates to methods for washing of textiles using the detergents of the invention.
- Liquid detergent compositions are well-known in the art and widely used. Over recent years, the have become more and more popular with the consumers because they offer a number of advantages over solid compositions, including, for example, the ease of dosing, dispensing and dissolving into a laundering liquor. In addition, they are perceived to be safer and less harsh to the textiles and environment compared to solid compositions. In particular for laundering colored fabrics they have gained popularity ever since their introduction on the market.
- liquid detergent composition that comprises a surfactant system comprising anionic surfactants and betaines in combination with keratin provide good fabric and color care and additionally maintaining fabric tensile strength.
- the present invention therefore relates to a liquid detergent composition, in particular an aqueous liquid detergent composition, that comprises
- the invention relates to methods for cleaning textiles, wherein the liquid detergent composition of the present invention is used.
- At least one relates to one or more, i.e. 1, 2, 3, 4, 5, 6, 7, 8, 9, or more. If used in combination with a compound, the term does not relate to the absolute number of molecules but rather to the number of different types of said compound. "At least one alkyl ether sulfate” thus means that at least one type but that also 2 or more different alkyl ether sulfate types can be present.
- Liquid as used herein the context of the detergent compositions, relates to compositions that are liquid under standard conditions, i.e. 20°C and 1013 mbar. The term covers all compositions that are pourable under these conditions and also covers gels and pastes and compositions having a yield point.
- Free of means that the referenced composition does not contain more than 0.5 wt.%, preferably no more than 0.1 wt.%, more preferably no more than 0.05 wt.% of said component relative to the total weight of the composition. Most preferably, said component is not contained at all.
- the detergent compositions of the present invention can be used as detergents for textiles, carpets or natural fibers, but are preferably laundry detergents.
- the detergents disclosed herein are heavy duty liquid (HDL) detergents.
- the detergent compositions of the invention comprise a surfactant system, wherein said surfactant system comprises at least one anionic surfactant and at least one amphoteric/zwitterionic surfactant.
- surfactant system refers to the totality of all surfactants comprised in the liquid detergent compositions of the invention.
- the anionic surfactant includes an alkyl ether sulfate.
- Preferred alkyl ether sulfates are those of formula (I) R 1 -O-(AO) n -SO 3 - X + (I).
- R 1 represents a linear or branched, substituted or unsubstituted alkyl group, preferably a linear, unsubstituted alkyl group, more preferably a fatty alcohol moiety.
- R 1 moieties are selected from the group consisting of decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl moieties and mixtures thereof, wherein those groups with an even number of carbon atoms are preferred.
- R 1 moieties are derived from C 10 -C 18 fatty alcohols, such as those derived from coconut oil alcohols, tallow fatty alcohols, lauryl, myristyl, cetyl or stearyl alcohol or from C 10 -C 20 oxoalcohols.
- AO represents an ethyleneoxide (EO) or propyleneoxide (PO) group, preferably an ethyleneoxide group.
- the index n represents an integer from 1 to 50, preferably from 1 to 20 and more preferably from 1 to 10. Particularly preferably, n is 1, 2, 3, 4, 5, 6, 7 or 8.
- X represents a monovalent cation or the n-th part of an n-valent cation, preferred are alkali metal cations, specifically Na + and K + , most preferably Na + . Further cations X + may be selected from NH4 + , 1 ⁇ 2 Zn 2+ ,1 ⁇ 2 Mg 2+ ,1 ⁇ 2 Ca 2+ ,1 ⁇ 2 Mn 2+ , and combinations thereof.
- Particularly preferred lauryl ether sulfate sodium salt with 2 EO.
- the level of ethoxylation is an average value and can, for a specific compound, be an integer or fractional number.
- the alkyl ether sulfate is contained in the compositions of the invention in an amount of 1.0 to 15.0 wt.-% relative to the total weight of the composition, preferably 1.5 to 10.0 wt.-%, more preferably 2.0 to 7.0 wt.-%, most preferably 3.0 to 6.0 wt.-%.
- the surfactant system comprises an alkyl benzene sulfonic acid or salt thereof (sulfonate).
- an alkyl benzene sulfonic acid or salt thereof (sulfonate) is further comprised in the detergent composition in addition to the alkyl ether sulfate described above.
- Exemplary alkyl benzene sulfonates include, but are not limited to linear and branched alkyl benzene sulfonates, preferably linear alkyl benzene sulfonates.
- Exemplary compounds are those of formula (III) wherein R' and R" are independently H or alkyl and combined comprise 9 to 19, preferably 9 to 15 and more preferably 9 to 13 or 10 to 13 carbon atoms. Particularly preferred are dodecyl and tridecyl benzene sulfonates, in particular the free acids or sodium salts thereof.
- Preferred contents range from 1.0 to 8.0 wt.-%, preferably 1.0 to 5.0 wt.-%, more preferably 1.5 to 4.0 wt.-% relative to the total weight of the composition.
- the liquid detergent compositions comprise both an alkyl ether sulfate and an alkyl benzene sulfonate, as defined herein.
- the liquid detergent composition may comprise further anionic surfactants. Suitable surfactants are known to those skilled in the art.
- liquid detergent compositions of the invention further comprise an amphoteric/zwitterionic surfactant, preferably a betaine.
- Suitable betaines comprise but are not limited to alkylbetaines, alkylamidobetaines, imidazoliniumbetaines, sulfobetaines (INCI: Sultaines) as well as phosphobetaines.
- the betaines are compounds of formula (IV), R 1 -[CO-X-(CH 2 ) n ] x -N + (R 2 )(R 3 )-(CH 2 ) m -[CH(OH)-CH 2 ] y -Y - (IV) wherein
- Preferred betaines are alkylbetaines of formula (IVa), alkylamido betaines of formula (IVb), sulfobetaines of formula (IVc) and amidosulfobetaines of formula (IVd), R 1 -N + (CH 3 ) 2 -CH 2 COO - (IVa) R 1 -CO-NH-(CH 2 )n-N + (CH 3 ) 2 -CH 2 COO - (IVb) R 1 -N + (CH 3 ) 2 -CH 2 CH(OH)CH 2 SO 3 - (IVC) R 1 -CO-NH-(CH 2 ) 3 -N + (CH 3 ) 2 -CH 2 CH(OH)CH 2 SO 3 - (IVd), wherein R 1 is defined as in formula (IV).
- cocoamidopropylbetaines which are for example commercially available under the tradename Tego ® Natural Betaine from Evonik.
- Preferred contents of the amphoteric/zwitterionic surfactant range from 0.1 to 5.0 wt.-%, preferably 0.2 to 3.0 wt.-%, more preferably 0.2 to 2.0 wt.-% relative to the total weight of the composition.
- compositions of the invention may comprise one or more nonionic surfactants.
- Preferred nonionic surfactants are those of formula (V) R 2 -O-(AO) m -H (V), wherein R 2 represents a linear or branched substituted or unsubstituted alkyl moiety, AO represents an ethylene oxide (EO) or propylene oxide (PO) group and m is an integer from 1 to 50.
- R 2 preferably represents a linear or branched, substituted or unsubstited alkyl group, preferably a linear, unsubstituted alkyl group, particularly preferred a fatty alcohol group.
- Preferred groups are R 2 are selected from decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl groups and combinations thereof, wherein those groups with an even number of carbon atoms are preferred.
- R 2 groups derived from C 12 -C 18 fatty alcohols such as coconut oil alcohol, tallow oil alcohol, lauryl, myristyl, cetyl or stearyl alcohol or from C 10 -C 20 oxoalcohols.
- AO represents an ethyleneoxide (EO) or propyleneoxide (PO) group, preferably an ethyleneoxide group.
- the index m represents an integer from 1 to 50, preferably from 1 to 20 and more preferably from 1 to 10. Particularly preferably, m is 3, 4, 5, 6, 7, or 8, most preferably 3-7.
- Such nonionic fatty alcohol ethoxylates may be contained in the formulation in amounts of 0.2 to 5.0 wt.-%, preferably 0.3. to 4.0 wt.-%, more preferably 0.5 to 3.0 wt.-%.
- the detergents may further include other nonionic surfactants, such as alkyl glucosides of the general formula RO(G) x , where R is a primary linear or 2-methyl-branched aliphatic radical containing 8 to 22 and preferably 12 to 18 carbon atoms and G stands for a glucose unit.
- R is a primary linear or 2-methyl-branched aliphatic radical containing 8 to 22 and preferably 12 to 18 carbon atoms and G stands for a glucose unit.
- the degree of oligomerization x which indicates the distribution of monoglucosides and oligoglucosides, is a number of 1 to 10 and preferably a number of 1.2 to 1.4. However, in preferred embodiments, the compositions do not include such alkyl glucosides.
- the surfactant system comprises at least two anionic surfactants, namely the at least one alkyl ether sulfate and preferably at least one alkyl benzene sulfonate, and at least one betaine and optionally at least one fatty alcohol ethoxylate.
- the respective surfactants can be used in the above-described amounts.
- compositions may comprise, for example, 2.0 to 30.0, preferably 3.0 to 20.0 wt.-% of the surfactant system.
- compositions that comprise 4.0 to 15.0 wt.-% surfactants may comprise or consist of anionic surfactants, preferably (1) 1.0 to 15.0 wt.-% relative to the total weight of the composition, preferably 1.5 to 10.0 wt.-%, more preferably 2.0 to 7.0 wt.-%, most preferably 3.0 to 6.0 wt.-% C 10-16 alkyl ether sulfates with 1 to 7 EO, preferably C 12-14 fatty alcohol ether sulfates with 1-3 EO, more preferably lauryl ether sulfate with 2 EO, (2) 1.0 to 8.0 wt.-%, preferably 1.0 to 5.0 wt.-%, more preferably 1.5 to 4.0 wt.-% of a (linear) alkyl benzene sulfon
- the liquid detergent compositions further comprise at least one keratin.
- Keratin is a fibrous structural protein rich in cysteine residues and the key structural material making up scales, hair, nails, feathers, horns, claws, hooves, calluses and the outer layer of skin among vertebrates. In its natural form keratin is highly insoluble in water and most organic solvents.
- the keratin used in accordance with the present invention is a protein hydrolysate, i.e. keratin in hydrolyzed form (INCI: hydrolyzed keratin; CAS No. 69430-36-0 ).
- Such a keratin is, for example, commercially available under the tradename Nutrilan ® Keratin W PP from BASF, SE.
- the keratin (hydrolysate) may be comprised in the liquid detergent compositions in amounts of from 0.001 to 0.5 wt.-%, preferably in amounts of from 0.005 to 0.2 wt.-%, more preferably 0.01 to 0.1 or to 0.05 wt.-%, relative to the total weight of the composition.
- the detergent compositions comprise soaps in amounts of up to 1 wt.-%, preferably up to 0.5 wt.-% soaps.
- the detergent compositions of the invention are preferably aqueous liquid compositions and as such comprise significant quantities of water, typically 20.0 to 95.0 wt.%, preferably 60.0 to 93.0 wt.%.
- the detergent compositions of the invention may further comprise one or more enzymes.
- said at least one enzyme may be selected from the group consisting of proteases, amylases, lipases, cellulases, mannanases, pectinases and combinations thereof.
- the composition may comprise 0.001 to 5 wt.-%, more preferably 0.001 to 3 wt.-%, enzymes relative to active protein and the total weight of the composition.
- the detergent composition comprises at least one cellulase, preferably in an amount of 0.001 to 0.3 wt.-% relative to active protein and the total weight of the composition.
- the detergent compositions of the invention may further comprise a builder system.
- the builder system may be a phosphate-free builder system.
- the composition may comprise phosphonates. Accordingly, the term "phosphate-free”, as used herein does not refer to phosphonates.
- the phosphonates are preferably hydroxyalkane and/or amino alkane phosphonates, such as 1-hydroxyethane-1 ,1-diphosphonate (HEDP), ethylenediamine tetramethylene phosphonate (EDTMP), diethylenetriamine pentamethylene phosphonate (DTPMP), and lysine tetramethylene phosphonate (LTMP).
- HEDP 1-hydroxyethane-1 ,1-diphosphonate
- ETMP ethylenediamine tetramethylene phosphonate
- DTPMP diethylenetriamine pentamethylene phosphonate
- LTMP lysine tetramethylene phosphonate
- phosphonates are used in amounts of 0.1 to 10.0 wt.-%, preferably 0.5 to 8.0 Gew.-%, more preferably 0.1 to 1.5 wt.-%.
- the total phosphorus content of the detergents is preferably less than 0.5% by weight.
- Suitable builders include, without limitation, inorganic builders, such as silicates, aluminosilicates (particularly zeolite), and carbonates, as well as organic builders, such as organic di- and polycarboxylic acids, aminocarboxylic acids and combinations thereof.
- inorganic builders such as silicates, aluminosilicates (particularly zeolite), and carbonates
- organic builders such as organic di- and polycarboxylic acids, aminocarboxylic acids and combinations thereof.
- Preferred in the liquid compositions of the invention are carbonates, di- and polycarboxylic acids and aminocarboxylic acids.
- alkali metal hydroxides in particular sodium hydroxide, but these are, besides their use for pH control, not preferred.
- Suitable carbonates include alkali metal carbonates, hydrogen carbonates and sesquicarbonates, with alkali metal carbonates, in particular sodium carbonate being preferred.
- Suitable organic builders include polycarboxylic acids which can be used as free acids or in form of their salts, including, but not limited to, citric acid, adipic acid, succinic acid, glutaric acid, malic acid, tartric acid, maleic acid, fumaric acid, and sugar acids.
- the free acids can also be used for pH control.
- citric acid, succinic acid, glutaric acid, adipic acid and gluconic acid and combinations thereof. Particularly preferred is citric acid.
- compositions may also include aminocarboxylic acids or salts thereof, i.e. aminocarboxylates.
- suitable aminocarboxylic acids/aminocarboxylates are selected from the group consisting of L-glutamic acid N,N-diacetic acid (GLDA), methyl glycine diacetic acid (MGDA), imino disuccinic acid (IDS), ethylenediamine N,N'-disuccinic acid (EDDS), diethylenetriamine pentaacetic acid (DTPA), beta-alanine N,N-diacetic acid, hydroxyethylenediamine triacetic acid (HEDTA), and alkali metal salts thereof as well as combinations of any one of more of the afore-mentioned.
- GLDA L-glutamic acid N,N-diacetic acid
- MGDA methyl glycine diacetic acid
- IDS imino disuccinic acid
- EDDS ethylenediamine N,N'-
- the detergent compositions comprise a builder system comprising relative to the total weight of the composition 2.0 to 10.0 wt.-%, preferably 3.0 to 4.0 wt.-% citric acid or citrate, such as sodium citrate.
- the builder system may comprise phosphonates in amounts of 0.1 to 1.5 wt.-%, in particular DTPMP or a sodium salt thereof.
- Further organic builders include polymeric polycarboxylates, polyacetals, dextrins and others.
- the builder system is comprised in the compositions in an amount of 3.0 to 15.0 wt.-%, preferably 4.0 to 10.0 wt.-%.
- the pH value of the detergents according to the invention is generally in the range of from 7 to 12, preferably in the range from 7 to 10.5. Relatively high pH values, for example above 9, may be adjusted by the use of small quantities of sodium hydroxide or alkaline salts, such as sodium carbonate.
- the liquid detergents are typically transparent, translucent, or opaque, are flowable, and may be poured under the sole effect of gravity without any need for other shear forces to be applied.
- Their viscosity is generally in the range of 100-1000 mPas (Brookfield viscosimeter, spindle 2, 20 rpm, 20° C), preferably in the range of between 150 and 400 mPas.
- the detergents may commonly contain at least one, preferably two or more other substances selected from the group consisting of pH adjusting agents, pearlescent agents, perfumes, dyes, colorants, antimicrobial active substances, germicides, fungicides, antioxidants, preservatives, and softening compounds.
- ingredients include silicone oils, anti-redeposition agents, anti-greying agents, shrinkage preventers, wrinkle protection agents, corrosion inhibitors, antistatic agents, bittering agents, ironing adjuvants, proofing and impregnation agents, swelling and anti-slip agents, complexing agents and UV absorbers.
- bleaching agents may be bleaching agents, bleach activators, and bleach catalysts, however, in various embodiments, the compositions are free of those.
- the present invention further relates to methods for cleaning textiles, wherein the liquid detergent composition or a washing liquor containing the liquid detergent composition of the present invention contacts the textile in at least one method step.
- the methods are typically either carried out in an automatic washing machine or by hand.
- Methods for cleaning of textiles are generally characterized by the fact that in several different process steps various cleaning-active substances are applied to the textiles and after the contact time said cleaning-active substances are washed off, or that the textiles are treated in any other way with a detergent or a solution of said substance.
- Table 1 Liquid detergent formulation (amounts in wt.-% relative to total weight) Ingredient E1 LAS, Na salt 2.3 Laurylethersulfate (LES), 2 EO 4.4 Cocoamidopropylbetaine (CAPB) 0.8 C 12 Fatty alcohol ethoxylate, 7 EO 1.4 Soap 0.3 NaOH (50%) 0.72 NaCl 2.5 Keratin hydrolysate (Nutrilan ® Keratin W PP) 0.02 Cellulase enzyme formulation (Biotouch ® FCL75) 0.02 Glycerol 0.3 Perfume 0.7 Preservative (Acticide ® 2550) 0.1 Opacifier (Acusol OP 301) 0.25 Water Ad 100
- the following results were obtained: E1 R1 R2 R3 R4 Black 3,4 2,0 2,0 2,5 2,4 Green 3,3 2,6 2,2 2,7 2,7 Red 3,5 2,5 1,9 2,8 2,6 Blue 3,9 2,9 2,7 3,1 3,0
- inventive compositions performs equal to currently marketed formulations with respect to foaming and provide for improved fabric tensile strength in Crepe (100 % PES), Jeans (80% Acetate, 20 % PES or 98% Cotton, 2% Elasthan) and Cotton (100% Cotton).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20213868.1A EP4012012A1 (de) | 2020-12-14 | 2020-12-14 | Flüssige waschmittelzusammensetzung mit keratin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20213868.1A EP4012012A1 (de) | 2020-12-14 | 2020-12-14 | Flüssige waschmittelzusammensetzung mit keratin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4012012A1 true EP4012012A1 (de) | 2022-06-15 |
Family
ID=73835483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20213868.1A Pending EP4012012A1 (de) | 2020-12-14 | 2020-12-14 | Flüssige waschmittelzusammensetzung mit keratin |
Country Status (1)
| Country | Link |
|---|---|
| EP (1) | EP4012012A1 (de) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2607469A1 (de) * | 2011-12-20 | 2013-06-26 | Unilever PLC | Flüssiges Waschmittel mit Protease und Lipase |
| US20170056305A1 (en) * | 2015-09-01 | 2017-03-02 | Henkel Ag & Co. Kgaa | High-performance hair treatment agents with a proteolipid and a magnesium salt |
| DE102017120042A1 (de) * | 2017-08-31 | 2019-02-28 | Henkel Ag & Co. Kgaa | Waschmittel, Verwendung des Waschmittels und Waschverfahren |
| CN110354041A (zh) * | 2019-08-20 | 2019-10-22 | 无限极（中国）有限公司 | 组合物及其含有该组合物的洗发制剂 |
-
2020
- 2020-12-14 EP EP20213868.1A patent/EP4012012A1/de active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2607469A1 (de) * | 2011-12-20 | 2013-06-26 | Unilever PLC | Flüssiges Waschmittel mit Protease und Lipase |
| US20170056305A1 (en) * | 2015-09-01 | 2017-03-02 | Henkel Ag & Co. Kgaa | High-performance hair treatment agents with a proteolipid and a magnesium salt |
| DE102017120042A1 (de) * | 2017-08-31 | 2019-02-28 | Henkel Ag & Co. Kgaa | Waschmittel, Verwendung des Waschmittels und Waschverfahren |
| CN110354041A (zh) * | 2019-08-20 | 2019-10-22 | 无限极（中国）有限公司 | 组合物及其含有该组合物的洗发制剂 |
Non-Patent Citations (3)
| Title |
|---|
| CAS , no. 69430-36-0 |
| DATABASE ChemIDplus [online] U.S National Library of Medicine; 5 February 2019 (2019-02-05), "Substance Name: Cocodimonium hydroxypropyl hydrolyzed keratin (1000 MW)", XP002803039, Database accession no. RN: 151248-07-6 * |
| DATABASE WPI Week 201986, Derwent World Patents Index; AN 2019-88911X, XP002803125 * |
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