WO2023025744A1 - Detergent composition - Google Patents
Detergent composition Download PDFInfo
- Publication number
- WO2023025744A1 WO2023025744A1 PCT/EP2022/073373 EP2022073373W WO2023025744A1 WO 2023025744 A1 WO2023025744 A1 WO 2023025744A1 EP 2022073373 W EP2022073373 W EP 2022073373W WO 2023025744 A1 WO2023025744 A1 WO 2023025744A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- detergent composition
- surfactant
- alkyl
- composition according
- composition
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 199
- 239000003599 detergent Substances 0.000 title claims abstract description 94
- 239000004094 surface-active agent Substances 0.000 claims abstract description 83
- -1 alkyl sulphate Chemical compound 0.000 claims abstract description 79
- 239000007844 bleaching agent Substances 0.000 claims abstract description 58
- 229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 46
- 241000894006 Bacteria Species 0.000 claims abstract description 38
- 150000004996 alkyl benzenes Chemical class 0.000 claims abstract description 32
- 239000007787 solid Substances 0.000 claims abstract description 21
- 239000013042 solid detergent Substances 0.000 claims abstract description 18
- 244000005700 microbiome Species 0.000 claims abstract description 15
- 230000006378 damage Effects 0.000 claims abstract description 4
- 239000002736 nonionic surfactant Substances 0.000 claims description 30
- 125000000217 alkyl group Chemical group 0.000 claims description 27
- 239000004753 textile Substances 0.000 claims description 26
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 24
- 102000004190 Enzymes Human genes 0.000 claims description 19
- 108090000790 Enzymes Proteins 0.000 claims description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 19
- 229940088598 enzyme Drugs 0.000 claims description 18
- 238000007046 ethoxylation reaction Methods 0.000 claims description 18
- 239000000344 soap Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 238000005406 washing Methods 0.000 claims description 15
- 108091005804 Peptidases Proteins 0.000 claims description 14
- 239000004365 Protease Substances 0.000 claims description 13
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical group [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 11
- 108090001060 Lipase Proteins 0.000 claims description 10
- 102000004882 Lipase Human genes 0.000 claims description 10
- 239000004367 Lipase Substances 0.000 claims description 10
- 235000019421 lipase Nutrition 0.000 claims description 10
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000002304 perfume Substances 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 6
- 108010065511 Amylases Proteins 0.000 claims description 5
- 102000013142 Amylases Human genes 0.000 claims description 5
- 102100032487 Beta-mannosidase Human genes 0.000 claims description 5
- 108010059892 Cellulase Proteins 0.000 claims description 5
- 235000019418 amylase Nutrition 0.000 claims description 5
- 108010055059 beta-Mannosidase Proteins 0.000 claims description 5
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- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- 150000004760 silicates Chemical class 0.000 claims description 4
- 239000004382 Amylase Substances 0.000 claims description 3
- 230000001580 bacterial effect Effects 0.000 claims description 3
- 229940106157 cellulase Drugs 0.000 claims description 3
- 230000001717 pathogenic effect Effects 0.000 claims description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 3
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims description 2
- 235000019419 proteases Nutrition 0.000 claims description 2
- 239000012153 distilled water Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 14
- 244000005714 skin microbiome Species 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 244000052616 bacterial pathogen Species 0.000 abstract description 5
- 230000036541 health Effects 0.000 abstract description 5
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- 229920000642 polymer Polymers 0.000 description 47
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 15
- 239000011734 sodium Substances 0.000 description 15
- 229910052708 sodium Inorganic materials 0.000 description 15
- 239000004744 fabric Substances 0.000 description 12
- 239000002689 soil Substances 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
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- 238000012360 testing method Methods 0.000 description 8
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- 238000004900 laundering Methods 0.000 description 6
- 239000010452 phosphate Substances 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000002243 precursor Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 102000035195 Peptidases Human genes 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 239000000975 dye Substances 0.000 description 5
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 5
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 5
- 239000010457 zeolite Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
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- 150000001875 compounds Chemical class 0.000 description 4
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 4
- 239000003205 fragrance Substances 0.000 description 4
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- 230000014759 maintenance of location Effects 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
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- 108010022999 Serine Proteases Proteins 0.000 description 3
- 102000012479 Serine Proteases Human genes 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 108010056079 Subtilisins Proteins 0.000 description 3
- 102000005158 Subtilisins Human genes 0.000 description 3
- 241000223258 Thermomyces lanuginosus Species 0.000 description 3
- 150000001340 alkali metals Chemical group 0.000 description 3
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- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
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- 229940045872 sodium percarbonate Drugs 0.000 description 3
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 3
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- FRPJTGXMTIIFIT-UHFFFAOYSA-N tetraacetylethylenediamine Chemical compound CC(=O)C(N)(C(C)=O)C(N)(C(C)=O)C(C)=O FRPJTGXMTIIFIT-UHFFFAOYSA-N 0.000 description 3
- YGUMVDWOQQJBGA-VAWYXSNFSA-N 5-[(4-anilino-6-morpholin-4-yl-1,3,5-triazin-2-yl)amino]-2-[(e)-2-[4-[(4-anilino-6-morpholin-4-yl-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound C=1C=C(\C=C\C=2C(=CC(NC=3N=C(N=C(NC=4C=CC=CC=4)N=3)N3CCOCC3)=CC=2)S(O)(=O)=O)C(S(=O)(=O)O)=CC=1NC(N=C(N=1)N2CCOCC2)=NC=1NC1=CC=CC=C1 YGUMVDWOQQJBGA-VAWYXSNFSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 241000736262 Microbiota Species 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
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- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 2
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- 238000002360 preparation method Methods 0.000 description 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical compound CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 1
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- BOLDJAUMGUJJKM-LSDHHAIUSA-N renifolin D Natural products CC(=C)[C@@H]1Cc2c(O)c(O)ccc2[C@H]1CC(=O)c3ccc(O)cc3O BOLDJAUMGUJJKM-LSDHHAIUSA-N 0.000 description 1
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- RYMZZMVNJRMUDD-HGQWONQESA-N simvastatin Chemical compound C([C@H]1[C@@H](C)C=CC2=C[C@H](C)C[C@@H]([C@H]12)OC(=O)C(C)(C)CC)C[C@@H]1C[C@@H](O)CC(=O)O1 RYMZZMVNJRMUDD-HGQWONQESA-N 0.000 description 1
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- 239000011780 sodium chloride Substances 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
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- 235000019351 sodium silicates Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 235000021286 stilbenes Nutrition 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000003890 succinate salts Chemical class 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
- 108010038851 tannase Proteins 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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- 229940030186 xpect Drugs 0.000 description 1
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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
- 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
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- 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
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic 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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/10—Carbonates ; Bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
Definitions
- Synthetic detergents are widely used for laundering fabrics, due to their efficiency in cleaning and stain removal.
- anionic alkyl benzene sulphonate are the predominant surfactant in laundry detergent composition.
- Sodium linear alkyl benzene sulphonate NaLAS or referred generally as LAS provides good stain removal and cleaning performance.
- LAS alkyl carboxylate salt of Cs to Cis fatty acid
- Soaps alkyl carboxylate salt of Cs to Cis fatty acid
- EP 0460925 A2 discloses a particulate detergent composition having coconut alkyl sulphate surfactant and sodium carbonate builder.
- Example 1 of D1 has 0 wt.% LAS and 0 wt.% bleach and 1 wt.% soap.
- GB2330588 A (Cheng Wen Lin, 1999) discloses a multipurpose cleaning agent which is safe to use and discloses a composition having sodium alkyl sulfate, the composition does not have LAS and discloses inclusion of 0.1 to 1 wt.% sodium percarbonate (bleach).
- WO 98/17751 A1 discloses a detergent composition having a pre-formed peracid and a cationic surfactant.
- the composition includes a bleach selected from percarbonate/perborate bleach, PAP, and photoactivated bleach.
- a detergent composition has an alkyl sulphate surfactant along with no or low levels of alkyl benzene sulphonate surfactant and with no or low levels of a bleach system, 0 wt.% soap, a Cs to Cis alkyl alkoxylated alcohol nonionic surfactant with an average degree of ethoxylation ranging from 1 to 7 EO group where the specific nonionic surfactant is present in specific weight ratio with the alkyl sulphate surfactant, the solid detergent composition is gentle on the good bacteria and the commensal bacteria present on the skin surface.
- the solid detergent composition of the present invention provides a skin microbiome-friendly detergent composition while maintaining the cleaning performance of the composition. The composition was also found to tackle or reduce the harmful bacteria on the skin surface.
- a method of treating a textile surface with the detergent composition according to the first aspect of the present invention comprising the steps of: i) preparing a wash liquor by contacting the solid laundry detergent composition according to the first aspect with a liquid, preferably water; ii) washing the textile surface with the wash liquor; iii) optionally rinsing the textile surface; iv) contacting the laundered textile surface to a skin surface.
- a third aspect of the present invention disclosed is the use of a combination of alkyl sulphate surfactant, 0 wt.% to 5 wt.% alkyl benzene sulphonate, carbonate builder, 0 wt.% to 3 wt.% bleach system, 0 wt.% soap, a Cs to Cis alkyl alkoxylated alcohol nonionic surfactant with an average degree of ethoxylation ranging from 1 to 7 EO group and wherein the weight ratio between the alkyl sulphate surfactant and the nonionic surfactant is from 1:1.5 to 1:10 for providing a detergent composition which is gentle on the good bacteria and commensal bacteria of the skin surface.
- a detergent composition having alkyl sulphate surfactant, low levels of alkyl benzene sulphonate surfactant, carbonate builder, nonionic surfactant, and low or no bleach system.
- alkyl sulphate surfactant low levels of alkyl benzene sulphonate surfactant, carbonate builder, nonionic surfactant, and low or no bleach system.
- the alkyl sulfate surfactant may be preferably mid-chain branched alkyl sulfates as discussed in US 6,020,303 and US 6,060,443; mid-chain branched alkyl alkoxy sulfates as discussed in US 6,008, 181 and US 6,020,303.
- the alkoxylated anionic sulphate surfactant has a degree of ethoxylation of having a degree of ethoxylation of from 0.2 to 7, more preferably from 1 to 7, even more preferably from about 1 to 3.
- the alkoxylated alkyl sulphate surfactant may be linear or branched, substituted or unsubstituted.
- the alkoxylated alkyl sulphate surfactant is sodium lauryl ether sulphate with an average degree of ethoxylation from 1 to 3.
- the alkyl sulphate surfactant may be linear or branched, substituted or un-substituted.
- the alkyl sulphate surfactant may be derived from petrochemical material or biomaterial.
- the detergent composition according to the present invention includes from 0 wt.% to 5 wt.% alkyl benzene sulphonate surfactant.
- the detergent composition according to the present invention has low levels of the alkyl benzene sulphonate surfactant. Without being bound by theory, it is believed that alkyl benzene sulphonate generally has an antimicrobial effect during the laundering process.
- Alkyl benzene sulphonate include those obtainable, by sulphonating commercially available linear alkyl benzene (LAB); suitable LAB includes low 2-phenyl LAB, other suitable LAB include high 2-phenyl LAB, such as those supplied by Sasol under the tradename Hyblene®.
- the alkyl benzene sulphonate surfactant are the alkali metal salts of C10 to Cis alkyl benzene sulfonic acids, preferably C10 to Cis alkyl benzene sulfonic acids.
- the alkyl group is linear.
- Such linear alkyl benzene sulfonates are known as “LAS”.
- Suitable alkyl benzene sulphonate surfactant may be in salt form, suitable counter-ions include sodium, calcium, magnesium, amino alcohols, and any combination thereof. A preferred counterion is sodium.
- the alkyl benzene sulphonate may be linear or branched, substituted or un-substituted.
- the alkyl benzene sulphonate may be derived from petrochemical material or biomaterial.
- the detergent composition may include other sulphonate surfactant which includes but is not limited to methyl ester sulphonates, alpha olefin sulphonates. When present these sulphonate surfactant is present in an amount ranging from 0 to 5 wt.%, preferably 0 wt.% to 3 wt.%.
- the amount alkyl benzene sulphonate surfactant ranges from 0 wt.% to 5 wt.%, still preferably from 0 wt.% to 2 wt.%.
- the detergent composition comprises at least 0.5 wt.% alkyl benzene sulphonate surfactant based on the weight of the detergent composition, still preferably at least 1 wt.%, still preferably at least 1.5 wt.%, most preferably at least 2 wt.%, but typically not more than 4.5 wt.%, still preferably not more than 4 wt.%, more preferably not more than 3.5 wt.% and most preferably not more than 3 wt.% alkyl benzene sulphonate surfactant in the detergent composition.
- the alkyl benzene sulphonate surfactant is C10 to C14 linear alkyl benzene sulphonate. Soap
- the solid laundry detergent composition according to the present invention includes 0 wt.% soap.
- Soaps are alkyl carboxylate salt of Cs to Cis fatty acid.
- the term soap refers to carboxylate salts of fatty acids.
- the water-soluble alkyl carboxylate salt of the Cs to Cis fatty acid includes alkali metal soaps such as the sodium, potassium, ammonium, and alkyl ammonium salts of higher fatty acids containing from about 8 to about 18 carbon atoms, and preferably from about 8 to about 16 carbon atoms. More preferably from 8 to 14 carbon atoms.
- the fatty acid may preferably be saturated or an unsaturated fatty acid. More preferably saturated.
- siap is used herein in its popular sense, i.e. , the alkali metal or alkanol ammonium salts of aliphatic, alkanes, or alkene monocarboxylic acids.
- Sodium, potassium, magnesium, mono-, di- and tri-ethanol ammonium cations, or combinations thereof, are the most suitable for purposes of this invention.
- Suitable alkyl alkoxylated alcohols nonionic detersive surfactant includes Cs to Cis alkyl alkoxylated alcohol, preferably a Cs to Cis is alkyl ethoxylated alcohol, preferably the alkyl alkoxylated alcohol has an average degree of alkoxylation of from 1 to 50, preferably from 1 to 30, or from 1 to 20, or from 1 to 10, preferably the alkyl alkoxylated alcohol is a Cs to Cis is alkyl ethoxylated alcohol having an average degree of ethoxylation of from 1 to 10, preferably from 1 to 7, more preferably from 1 to 5 and most preferably from 3 to 7.
- nonionic detersive surfactant may also include those selected from polyethylene sorbital ester (Tween 80), ethoxylated lauryl alcohol, lauramide oxide, polysulphonate alkyl polyglucoside, sodium laurylglucoside hydroxypropyl phosphate or mixtures thereof.
- suitable nonionic detersive surfactant includes secondary alcohol based detersive surfactant.
- the weight ratio of the alkyl sulphate surfactant and the Cs to Cis alkyl alkoxylated nonionic surfactant with an average degree of ethoxylation ranging from 1 to 7 EO group is from 1:1.5 to 1 :10, more preferably 1:1.5 to 1:8, still more preferably 1 :1.5 to 1 :5.
- the solid laundry detergent composition according to the present invention includes 0 wt.% to 3 wt.% bleach system.
- the bleach system includes at least a bleach. More preferably the bleach system includes a bleach and a bleach activator. Suitable bleach includes sodium percarbonate or any other hydrogen peroxide precursor. More preferably the bleach is peroxide bleach. Most preferably, the bleach is a percarbonate. Further preferred, the bleach is a coated percarbonate. Other examples of bleach known in the art includes the perborate based bleach, PAP (N- phthaloylamidoperoxicaproic acid), photoactivated bleach or mixtures thereof.
- PAP N- phthaloylamidoperoxicaproic acid
- the solid detergent composition of the present invention includes a carbonate builder.
- the carbonate builder includes alkaline earth metal and alkali metal carbonates as disclosed in the German patent application No. 2,321,001.
- the detergent composition of the present invention includes from 2 wt.% to 30 wt.% carbonate builder, preferably 15 wt.% to 30 wt.%, further preferably from 15 wt.% to 25 wt.% carbonate builder.
- the detergent composition comprises at least 5 wt.%, still preferably at least 10 wt.%, still preferably at least 15 wt.%, most preferably at least 20 wt.% of the carbonate builder, but typically not more than 28 wt.%, still preferably not more than 26 wt.%, most preferably not more than 25 wt.% of carbonate builder based on the weight of the solid detergent composition.
- the detergent composition of the present invention may preferably include further inorganic non-carbonate builder.
- the other preferred builders may be selected from the group consisting of silicates, silica, zeolites phosphates or mixtures thereof.
- Yet other non-carbonate builder may be organic builders which includes but are not limited to as succinates, carboxylates, malonates, polycarboxylates, citric acid or a salt thereof.
- Suitable silicates include the water-soluble sodium silicates with an SiCh: Na2O ratio of from 1 .0 to 2.8, with ratios of from 1 .6 to 2.4 being preferred, and 2.0 ratio being most preferred.
- the silicates may be in the form of either the anhydrous salt or a hydrated salt. Sodium silicate with an SiCh: Na2O ratio of 2.0 is the most preferred silicate.
- the washing of the textile surface may be carried out by a manual hand washing process or a machine-washing process.
- the skin surface may come in contact with the aqueous wash liquor, especially during the hand washing process.
- the skin surface may also come in contact with the detergent composition, for example during dispensing the detergent composition.
- the contact of the skin surface with the wash liquor and /or the detergent composition is gentle on the skin microbiome, especially the good bacteria and the commensals.
- a third aspect of the present invention is the use of a combination of alkyl sulphate surfactant, 0 wt.% to 5 wt.% alkyl benzene sulphonate, carbonate builder, 0 wt.% to 3 wt.% bleach system, 0 wt.% soap, wherein the composition comprises wherein the composition comprises a Cs to Cis alkyl alkoxylated alcohol nonionic surfactant with an average degree of ethoxylation ranging from 1 to 7 EO group and wherein the weight ratio between the alkyl sulphate surfactant and the nonionic surfactant is from 1 :1.5 to 1 :10 for providing a detergent composition which is gentle on the good bacteria and commensal bacteria of the skin surface.
- a third aspect of the present invention is the use of a combination of alkyl sulphate surfactant, 0 wt.% to 5 wt.% alkyl benzene sulphonate, carbonate builder, 0 wt.% to 3 wt.% bleach system, 0 wt.% soap, wherein the composition comprises wherein the composition comprises a Cs to Cis alkyl alkoxylated alcohol nonionic surfactant with an average degree of ethoxylation ranging from 1 to 7 EO group and wherein the weight ratio between the alkyl sulphate surfactant and the nonionic surfactant is from 1 :1.5 to 1 :10 for providing a skin microbiome safe and friendly detergent composition.
- test bacteria 1 is separately brought into contact with a known population of test bacteria listed in table 2 for 30 minutes at a specified temperature of 27°C. At the end of the 30- minute time the activity of the test bacteria is quenched with an appropriate neutralizing technique and the samples were collected. The number surviving microorganisms in the sample is then enumerated. The log 10 reduction, from an initial microbial population is calculated and provided in table 2 below.
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Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP22768403.2A EP4392514A1 (en) | 2021-08-27 | 2022-08-23 | Detergent composition |
CN202280066746.5A CN118043440A (en) | 2021-08-27 | 2022-08-23 | Detergent composition |
Applications Claiming Priority (4)
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EP21193557 | 2021-08-27 | ||
EP21193565 | 2021-08-27 | ||
EP21193557.2 | 2021-08-27 | ||
EP21193565.5 | 2021-08-27 |
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WO2023025744A1 true WO2023025744A1 (en) | 2023-03-02 |
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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PCT/EP2022/073373 WO2023025744A1 (en) | 2021-08-27 | 2022-08-23 | Detergent composition |
PCT/EP2022/073379 WO2023025748A1 (en) | 2021-08-27 | 2022-08-23 | Use of a detergent composition |
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PCT/EP2022/073379 WO2023025748A1 (en) | 2021-08-27 | 2022-08-23 | Use of a detergent composition |
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EP (2) | EP4392514A1 (en) |
WO (2) | WO2023025744A1 (en) |
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2022
- 2022-08-23 WO PCT/EP2022/073373 patent/WO2023025744A1/en active Application Filing
- 2022-08-23 WO PCT/EP2022/073379 patent/WO2023025748A1/en active Application Filing
- 2022-08-23 EP EP22768403.2A patent/EP4392514A1/en active Pending
- 2022-08-23 EP EP22768406.5A patent/EP4392515A1/en active Pending
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Also Published As
Publication number | Publication date |
---|---|
EP4392515A1 (en) | 2024-07-03 |
WO2023025748A1 (en) | 2023-03-02 |
EP4392514A1 (en) | 2024-07-03 |
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