NL2030952B1 - Concentrated laundry detergent and preparation method thereof - Google Patents
Concentrated laundry detergent and preparation method thereof Download PDFInfo
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- NL2030952B1 NL2030952B1 NL2030952A NL2030952A NL2030952B1 NL 2030952 B1 NL2030952 B1 NL 2030952B1 NL 2030952 A NL2030952 A NL 2030952A NL 2030952 A NL2030952 A NL 2030952A NL 2030952 B1 NL2030952 B1 NL 2030952B1
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- laundry detergent
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- 239000003599 detergent Substances 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims description 13
- 239000004094 surface-active agent Substances 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 150000001413 amino acids Chemical class 0.000 claims abstract description 15
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 14
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 11
- 125000002091 cationic group Chemical group 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- -1 sucrose fatty acid ester Chemical class 0.000 claims description 8
- 239000000341 volatile oil Substances 0.000 claims description 8
- LPUQAYUQRXPFSQ-DFWYDOINSA-M monosodium L-glutamate Chemical compound [Na+].[O-]C(=O)[C@@H](N)CCC(O)=O LPUQAYUQRXPFSQ-DFWYDOINSA-M 0.000 claims description 7
- 229940079781 sodium cocoyl glutamate Drugs 0.000 claims description 7
- 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 claims description 6
- 229930006000 Sucrose Natural products 0.000 claims description 6
- QNAYBMKLOCPYGJ-UHFFFAOYSA-M alaninate Chemical compound CC(N)C([O-])=O QNAYBMKLOCPYGJ-UHFFFAOYSA-M 0.000 claims description 6
- 229940096992 potassium oleate Drugs 0.000 claims description 6
- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical group [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 239000005720 sucrose Substances 0.000 claims description 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 239000003755 preservative agent Substances 0.000 claims description 4
- 230000002335 preservative effect Effects 0.000 claims description 4
- FGFAZPVAUUEKBP-LZUSKFISSA-M sodium;hydron;(2s)-2-[[(z)-octadec-9-enoyl]amino]pentanedioate Chemical compound [Na+].CCCCCCCC\C=C/CCCCCCCC(=O)N[C@H](C(O)=O)CCC([O-])=O FGFAZPVAUUEKBP-LZUSKFISSA-M 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
- 125000002811 oleoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- MQOCIYICOGDBSG-UHFFFAOYSA-M potassium;hexadecanoate Chemical compound [K+].CCCCCCCCCCCCCCCC([O-])=O MQOCIYICOGDBSG-UHFFFAOYSA-M 0.000 claims description 3
- IICCGLLGFMBTIA-LZUSKFISSA-M potassium;hydron;(2s)-2-[[(z)-octadec-9-enoyl]amino]pentanedioate Chemical compound [H+].[K+].CCCCCCCC\C=C/CCCCCCCC(=O)N[C@H](C([O-])=O)CCC([O-])=O IICCGLLGFMBTIA-LZUSKFISSA-M 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 229940082006 potassium cocoyl glutamate Drugs 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims 3
- 239000004615 ingredient Substances 0.000 claims 1
- 239000003002 pH adjusting agent Substances 0.000 claims 1
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 12
- 108090000623 proteins and genes Proteins 0.000 abstract description 5
- 102000004169 proteins and genes Human genes 0.000 abstract description 5
- 239000006229 carbon black Substances 0.000 abstract description 4
- 210000002374 sebum Anatomy 0.000 abstract description 4
- 241000588724 Escherichia coli Species 0.000 abstract description 2
- 241000191967 Staphylococcus aureus Species 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 9
- 238000005406 washing Methods 0.000 description 7
- 239000000306 component Substances 0.000 description 6
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 6
- 102000004190 Enzymes Human genes 0.000 description 5
- 108090000790 Enzymes Proteins 0.000 description 5
- 229940088598 enzyme Drugs 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000004224 protection Effects 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid group Chemical group C(CC(O)(C(=O)O)CC(=O)O)(=O)O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical group [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000588722 Escherichia Species 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000003385 bacteriostatic effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 229940079919 digestives enzyme preparation Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 229930195712 glutamate Natural products 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000037380 skin damage Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000009736 wetting Methods 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
- 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
- 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
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
-
- 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
- C11D1/32—Protein hydrolysates; Fatty acid condensates thereof
-
- 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
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium 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
- C11D1/667—Neutral esters, e.g. sorbitan esters
-
- 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
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/12—Soft surfaces, e.g. textile
Landscapes
- 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
The disclosure provides a concentrated, laundry detergent, comprising the following components by mass percent: 10—20% of an amino acid surfactant, 10—20% of a gemini surfactant, l—5% of a nonionic surfactant, 3—6% of a soap—base surfactant, O.5—lO% of an auxiliary agent and balance of water. The results of embodiments show that the concentrated laundry detergent of the disclosure has very good stain—removal effect for protein stains and excellent stain—removal effect for carbon black and sebum stains; the bactericidal ratio of staphylococcus aureus and escherichia coli is above 90%.
Description
P1081 /NLpd
CONCENTRATED LAUNDRY DETERGENT AND PREPARATION METHOD THEREOF
The disclosure relates to the technical field of detergents, and in particular, to a concentrated laundry detergent and a prep- aration method thereof.
Laundry detergents as frequently used washing products in daily life have come into all families. Surfactant content of a concentrated laundry detergent can reach 25-60% to achieve strong detergency. With the improvement of living standards, consumers pay more and more attention to health, and laundry detergents are required to have bactericidal activity and be free of significant skin stimulus. For existing solutions, enzyme preparations and bactericidal components are usually added to improve laundry de- tergent effect. Patent CN111944622A discloses a concentrated laun- dry detergent containing 0.1-1.0% of an enzyme preparation. Patent
CN105296187A discloses a special-effect laundry detergent contain- ing 1.0-5.0 parts of an enzyme preparation and 0.5-2.0 parts of a mildewproof bactericide. Patent CN106281756A discloses an anti- fading laundry detergent containing 1-5 parts of a complex enzyme product and 1-10 parts of an enzyme stabilizer, but enzyme prod- ucts easily lose activity due to environment influence, and the stain-removal effect of the laundry detergent is unstable.
Therefore, how to provide a natural bactericidal concentrated laundry detergent with good stain-removal effect and high cost performance becomes a problem to be urgently addressed in the field.
The disclosure aims to provide a concentrated laundry deter- gent and a preparation method thereof. The concentrated laundry detergent provided thereby has good stain-removal and bactericidal effects.
To fulfill this objective, the present disclosure has the following technical solutions:
The disclosure provides a concentrated laundry detergent, comprising the following components by mass percent: 10-20% of an amino acid surfactant, 10-20% of a gemini surfactant, 1-5% of a nonionic surfactant, 3-6% of a scap-base surfactant, 0.5-10% of an auxiliary agent and balance of water.
Preferably, the amino acid surfactant includes at least one of sodium cocoyl glutamate, sodium oleoyl glutamate, potassium co- coyl glutamate, potassium oleoyl glutamate, sodium cocoyl alani- nate and sodium oleoyl alaninate.
Preferably, the gemini surfactant is a cationic gemini sur- factant.
Preferably, the cationic gemini surfactant is cationic gemini surfactantl2-2-m’.
Preferably, the nonionic surfactant is sucrose fatty acid es- ter or sorbitan ester.
Preferably, the soap-base surfactant is potassium oleate and/or potassium palmitate.
Preferably, the auxiliary agent includes at least one of a thickener, a preservative, a pH regulator, essential oil and a wa- ter softener.
The disclosure provides a preparation method of the concen- trated laundry detergent of the technical solutions, comprising the following steps: (1) mixing the amino acid surfactant, the nonionic surfactant and the socap-base surfactant to obtain a mixture; {2) mixing the gemini surfactant and water, and then mixing with the mixture obtained in step (1), and finally, mixing with the auxiliary agent to obtain a concentrated laundry detergent.
Preferably, the mixing temperature in step (1) is 40-70°C.
In the disclosure, three different surfactants of amino acid surfactant, nonionic surfactant and soap-base surfactant are com- pounded to avoid dioxane retention in the laundry detergent and improve the detergency of the laundry detergent. Meanwhile, the amino acid surfactant having good water solubility can improve the water solubility of the compound surfactant; the gemini surfactant can form a layer of a mild skin-friendly protection film on fabric surfaces through electrostatic adhesion, to reduce inter-fabric friction and avoid skin damage in a washing process, and this pro- tection layer can be combined with water in the air to wet the fabrics and reduce static electricity generation, so stronger an- ti-static performance is achieved; the gemini surfactant has good bactericidal effect, and through a combination with other surfac- tants, the bactericidal effect thereof can be further improved; the nonionic surfactant not only has good stain-removal, wetting, foaming and emulsifying properties, but also has good degreasing property and hard water resistance, and can be compounded with the soap-base surfactant to achieve synergistic effect for further im- proving stain-removal effect while reducing the bubbling ability of the system and making the washed clothes more easily rinsed; the soap-base surfactant can improve the dissolving property of the compound surfactant and reduce the foaming property of the system, and has low skin stimulus. The disclosure has the ad- vantages of small usage amount of laundry detergent, good water solubility and lower energy consumption in production, packaging, storage and transportation processes in comparison with common laundry detergents, and is safer and more environment-friendly.
The results of embodiments show that the concentrated laundry de- tergent of the disclosure has very good stain-removal effect for protein stains and excellent stain-removal effect for carbon black and sebum stains; the kill ratio of staphylococcus aureus and escherichia coli is above 90%.
The disclosure provides a concentrated laundry detergent, comprising the following components by mass percent: 10-20% of an amino acid surfactant, 10-20% of a gemini surfactant, 1-5% of a nonionic surfactant, 3-6% of a soap-base surfactant, 0.5-10% of an auxiliary agent and balance of water.
By mass percent, the concentrated laundry detergent of the disclosure includes 10-20% of the amino acid surfactant, prefera- bly 13-18%. In the disclosure, the amino acid surfactant prefera- bly includes at least one of sodium cocoyl glutamate, sodium oleoyl glutamate, potassium cocoyl glutamate, potassium oleoyl glutamate, sodium cocoyl alaninate and sodium oleoyl alaninate.
The amino acid surfactant used in the disclosure has good water solubility and can improve the water solubility of the compound surfactant.
By mass percent, the concentrated laundry detergent of the disclosure includes 10-20% of the gemini surfactant, preferably 13-18%. In the disclosure, the gemini surfactant is preferably a cationic gemini surfactant, more preferably cationic gemini sur- factant 12-2-m' (N,N’ -bis (dimethylalkyl) ethylenediamine dibro- mide) ), m’ is preferably 4, 8, 12 or 16. In the disclosure, the gemini surfactant can further improve detergency and antibacterial property of the laundry detergent.
By mass percent, the concentrated laundry detergent of the disclosure includes 1-5% of the nonionic surfactant, preferably 2- 4%. In the disclosure, the nonionic surfactant can further improve the stain-removal effect of the laundry detergent.
By mass percent, the concentrated laundry detergent of the disclosure includes 3-6% of the soap-base surfactant, preferably 4-5%. In the disclosure, the soap-base surfactant can improve the solubility of the compound surfactant and meanwhile reduce the foaming property of the system, and has low skin stimulus.
By mass percent, the concentrated laundry detergent of the disclosure includes 0.5-10% of the auxiliary agent, preferably 1- 8%. In the disclosure, the auxiliary agent preferably includes at least one of a thickener, a preservative, a pH regulator, essen- tial oil and a water softener; the thickener is preferably sodium polyacrylate; the preservative is preferably hexanediol; the pH regulator is preferably citric acid and/or sodium hydroxide; the water softener is preferably citrate. The auxiliary agent of the disclosure can regulate the performance of the laundry detergent.
The disclosure provides a preparation method of the concen- trated laundry detergent, comprising the following steps: (1) mixing the amino acid surfactant, the nonionic surfactant and the soap-base surfactant to obtain a mixture; (2) mixing the gemini surfactant and water, and then mixing with the mixture obtained in step (1), and finally, mixing with the auxiliary agent to obtain a concentrated laundry detergent.
In the disclosure, the amino acid surfactant, the nonionic surfactant and the soap-base surfactant are mixed preferably at a temperature of 40-70°C. The mixing temperature is controlled in the disclosure to facilitate uniform mixing of the three surfactants.
In the disclosure, the water temperature is preferably 50- 70°C. Through controlling the water temperature in the disclosure, 5 the dissolving speed of the gemini surfactant can be accelerated.
In the disclosure, the mixing operation is carried out under a stirring condition, and the disclosure has no special re- strictions for stirring rate and time, and it is only required to uniformly mix various components.
The technical solutions of the disclosure will be clearly and completely described with reference to the embodiments of the dis- closure. Obviously, the described embodiments are only some embod- iments of the disclosure rather than all embodiments. On the basis of the embodiments of the disclosure, all other embodiments ob- tained by those of ordinary skill in the art without creative work should fall in the protection scope of the disclosure.
Embodiment 1
A concentrated laundry detergent comprises the following com- ponents by mass percent: 15% of sodium cocoyl glutamate, 15% of cationic gemini surfactant 12-2-12, 3% of sucrose fatty acid es- ter, 5% of potassium oleate, 0.5% of hexanediol, 1% of essential oil and balance of water.
A preparation method of the concentrated laundry detergent comprises the following steps: (1) mixing the sodium cocoyl glutamate, the sucrose fatty ac- id ester and the potassium oleate and heating to 50°C, and stirring for 30 min to obtain a mixture; (2) mixing cationic gemini surfactant 12-2-12 and water of 60°C for 10 min, and then mixing with the mixture obtained in step (1) for 30 min, adding hexanediol and essential oil and mixing for 10 min, to obtain a concentrated laundry detergent.
Embodiment 2
Composition of a concentrated laundry detergent is as fol- lows: 10% of sodium oleoyl glutamate, 20% of cationic gemini sur- factant 12-2-8, 2% of sucrose fatty acid ester, 3% of potassium oleate, 0.5% of hexanediol, 1% of essential oil and balance of wa-
ter.
The preparation method is as the same in embodiment 1.
Embodiment 3
Composition of a concentrated laundry detergent is as fol- lows: 13% of sodium cocoyl glutamate, 15% of cationic gemini sur- factant 12-2-12, 4% of sucrose fatty acid ester, 4% of potassium oleate, 1% of hexanediol, 2% of sodium polyacrylate, 1% of essen- tial oil and balance of water.
The preparation method is as the same in embodiment 1.
Embodiment 4
Composition of a concentrated laundry detergent is as fol- lows: 18% of sodium cocoyl glutamate, 17% of cationic gemini sur- factant 12-2-4, 3% of sorbitan ester, 5% of potassium palmitate, 1% of hexanediol, 2% of sodium polyacrylate, 1% of essential oil and balance of water.
The preparation method is as the same in embodiment 1.
Comparative Example 1
A national standard laundry detergent excludes any surfac- tant, bioenzyme or plant softening component.
Comparative Example 2 33 of cationic gemini surfactant 12-2-8 is added in a concen- trated laundry detergent, and other conditions are as the same in embodiment 2.
Performance of the concentrated laundry detergents prepared in embodiments 1-4 and comparative examples 1-2 is tested as fol- lows: (1) Stain-removal test: according to GB/T 13174-2008, nation- al standard sebum, protein and carbon black polluted cloth pro- duced by China Research Institute of Daily Chemical Industry and
RHQL vertical stain remover are adopted.
Washing temperature is 30°C, rotation speed is 120 rpm, water hardness is 250 ppm (calculated by CaC0;), and water washing time is 20 min. (2) Hand feeling test: together with the laundry detergents provided by embodiments 1-4 and comparative examples 1-2, 5 pieces of marketable white all-cotton towels with a wight of 50 g and a size of 30 x 30 cm are respectively placed in a Siemens roller washing machine XQG80-WM12L2E88W to be washed for 5 times at nor- mal temperature according to a standard mode.
The towels are dried in the air after washing, and then soft- ness and smoothness of the five towels are calculated according to the scores made by ten persons.
Softness by hand feeling: 1 point: very hard; 2 points: slightly hard; 3 points: moderate; 4 points: slightly soft; 5 points: very soft.
Smoothness by hand feeling: 1 point: very rough; 2 points: slightly rough; 3 points: moderate; 4 points: slightly smooth; 5 points: very smooth. (3) Antibacterial test: the antibacterial test is carried out according to QB/T 2738-2012 Test methods for evaluating daily chemical products in antibacterial and bacteriostatic efficacy, working concentration is 1:100, and working time is 20 min.
The results are as shown in Table 1:
Table 1 Performance of concentrated laundry detergents pre- pared in embodiments 1-4 and comparative examples 1-2
Stain-removal ratio of Bactericidal
Bactericidal
Washing [polluted cloth ratio of
Soft- |Smooth- [ratio of staphy-
Sample No.: concentra- {Carbon escherichia
Protein {Sebum |ness [ness lococcus aureus tion {g/l} black coli ATCC (JBO2} (JB02) ATCC 6538 % (JBO1) 25922 %
Comparative 2 1 1 1 2 2 No No
Example 1
Comparative 1 1.34 2.43 1.22 3.5 35 36.4 34.8
Example 2
As shown in Table 1, the concentrated laundry detergent of the disclosure has a small usage amount and good detergency, and the washed clothes have significantly improved softness and smoothness. The stain-removal ratio of the concentrated laundry detergent is higher than that of a national standard laundry de- tergent, and the concentrated laundry detergents have very good stain-removal effect for protein stains and excellent stain- removal effect for carbon black and lipid stains. The comparative example 1 does not have antibacterial effect, and the concentrated laundry detergents provided by embodiments 1-4 all have good anti- bacterial effect. Through the comparison with embodiments 1-4 and comparative example 2, the addition of gemini surfactant can im- prove antibacterial effect.
The above descriptions are only preferred embodiments of the disclosure, and it should be noted that those of ordinary skill in the art can further make several improvements and modifications without departing from the principle of the disclosure, and these improvements and modifications should be included in the protec- tion scope of the disclosure.
Claims (9)
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| NL2030952A NL2030952B1 (en) | 2022-02-15 | 2022-02-15 | Concentrated laundry detergent and preparation method thereof |
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| NL2030952A NL2030952B1 (en) | 2022-02-15 | 2022-02-15 | Concentrated laundry detergent and preparation method thereof |
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| NL2030952B1 true NL2030952B1 (en) | 2023-08-21 |
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| NL2030952A NL2030952B1 (en) | 2022-02-15 | 2022-02-15 | Concentrated laundry detergent and preparation method thereof |
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