A color-protecting and odor-removing cleaning composition, and a preparation method and application thereof

Abstract

The present application belongs to the technical field of daily chemical products, and discloses a cleaning composition for color protection and odor removal as well as a preparation method and application thereof. The cleaning composition comprises components: an anionic surfactant, a non-ionic surfactant, a fatty acid salt, a hydroxystearin and an alcohol compound; the anionic surfactant comprises dodecyl benzene sulfonate and an amino acid surfactant. The cleaning composition of the present application is reasonably matched by dodecyl benzene sulfonate, the amino acid surfactant, the non-ionic surfactant, the fatty acid salt, the hydroxystearin and the alcohol compound, and jointly acts without adding a fluorescent whitening agent, has an obvious color protection effect on fabrics, can stably suspend microcapsule perfume in the system without affecting the decontamination power of the product, has strong decontamination power, can reduce the odor generated by peroxidation of sebum, can be applied to ordinary and concentrated washing systems, and can also reduce the gelation of the concentrated system.

Description

Technical Field

[0001] This invention belongs to the field of daily chemical products technology, and specifically relates to a color-protecting and odor-removing cleaning composition, its preparation method, and its application. Background Technology

[0002] Fabrics tend to fade and turn white after long-term washing, making them look old and unattractive.

[0003] Chinese patent CN103468426A discloses a bleaching system detergent composition with color-protecting function. This invention enhances the color-protecting properties and stability of the bleaching system by adding alkylamine phosphonate bleaching color-protecting synergists and brighteners. The principle is that the color-protecting synergists protect the dye from damage by bleach or ions in tap water, and the fluorescent whitening agents physically enhance the visual vibrancy of the product's colors. However, bleaching system detergents are prone to causing fabric damage and thinning with long-term use and cannot achieve the long-term stability of ordinary systems. Furthermore, fluorescent whitening agents are migratory; when used on close-fitting clothing, they easily migrate to the skin and are difficult to rinse thoroughly.

[0004] In addition, sebum can easily adhere to the fabric during wear, and sebum peroxidation can cause odor. Currently, commercially available detergents mainly mask odors caused by microbial factors by adding fragrance (microencapsulated fragrance) or antibacterial agents. However, there is no good solution for odors caused by trace amounts of sebum remaining on the fabric. Traditionally, in order to keep the microencapsulated fragrance suspended in the detergent, additional suspending agents are needed, but this affects the product's detergency.

[0005] Therefore, there is an urgent need to provide a detergent that is free of fluorescent whitening agents, which not only has color protection and deodorizing functions, but also allows the microcapsule fragrance to remain stably suspended in the system without affecting the product's detergency. Summary of the Invention

[0006] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a color-protecting and odor-removing cleaning composition, its preparation method, and its application. This cleaning composition not only has color-protecting and odor-removing effects on fabrics, but also enables microcapsule fragrances to be stably suspended in the system, exhibiting strong detergency.

[0007] A first aspect of the present invention provides a cleaning composition comprising the components of anionic surfactants, nonionic surfactants, fatty acid salts, hydroxystearin, and alcohols; wherein the anionic surfactants include dodecylbenzene sulfonates and amino acid surfactants.

[0008] It is understood that the hydroxystearin is a mixture of partially oxidized stearic acid and other fatty acid glycerides, with the molecular formula C2. 21H 42 O5.

[0009] According to some embodiments of the present invention, the cleaning composition further includes additives and solvents; the additives include at least one of anti-redeposition agents, enzymes, microencapsulated fragrances, pigments, preservatives, and pH adjusters.

[0010] According to some embodiments of the present invention, the solvent is water.

[0011] According to some embodiments of the present invention, the enzyme includes at least one of protease, lipase, and cellulase.

[0012] According to some embodiments of the present invention, the cleaning composition comprises the following components in weight percentage: 0.5-20% dodecylbenzene sulfonate, 0.1-10% amino acid surfactant, 0.1-20% nonionic surfactant, 0.1-5% fatty acid salt, 0.01-1% hydroxystearin, 0.1-10% alcohol compound, 0.01-5% auxiliaries, and the balance being solvent.

[0013] Furthermore, the cleaning composition comprises the following components in weight percentage: 10-20% dodecylbenzene sulfonate, 1-5% amino acid surfactant, 5-15% nonionic surfactant, 0.5-5% fatty acid salt, 0.1-1% hydroxystearin, 3-10% alcohol compound, 0.1-5% auxiliaries, and the balance being solvent.

[0014] According to some embodiments of the present invention, the mass ratio of the nonionic surfactant to the anionic surfactant is 1:(1-5). Further, the mass ratio of the nonionic surfactant to the anionic surfactant is 1:(2-3).

[0015] According to some embodiments of the present invention, the dodecylbenzene sulfonate is sodium dodecylbenzene sulfonate and / or ammonium dodecylbenzene sulfonate.

[0016] According to some embodiments of the present invention, the amino acid surfactant includes at least one of sodium cocoyl sarcosinate, sodium lauroyl sarcosinate, sodium palmitoyl sarcosinate, sodium cocoyl glycinate, sodium lauroyl glycinate, sodium palmitoyl glycinate, sodium methyl cocoyl taurate, and sodium cocoyl methyl taurate.

[0017] According to some embodiments of the present invention, the nonionic surfactant includes at least one of fatty alcohol polyoxyethylene ether, alkyl glycoside, fatty acid alkylolamide, ethoxylated sorbitol ester, and fatty acid ethoxylate.

[0018] According to some embodiments of the present invention, the fatty acid salt includes a salt of at least one fatty acid selected from lauric acid, coconut oil acid, oleic acid, and ricinoleic acid. The salt refers to a sodium or potassium salt, such as fatty acid salts including, but not limited to, sodium laurate, sodium cocoate, sodium oleate, sodium ricinoleate, potassium laurate, potassium cocoate, potassium oleate, and potassium ricinoleate.

[0019] According to some embodiments of the present invention, the alcohol compound includes at least one selected from propylene glycol, glycerol, isopropanol, and dipropylene glycol. Further, the alcohol compound is a mixture of propylene glycol and glycerol. Even further, in the mixture, the mass ratio of propylene glycol to glycerol is 1:(1-3).

[0020] A second aspect of the present invention provides a method for preparing the above-described cleaning composition, comprising the following steps:

[0021] The components are mixed, heated, and stirred to dissolve, thus obtaining the cleaning composition.

[0022] According to some embodiments of the present invention, a method for preparing the cleaning composition includes the following steps:

[0023] Mix a portion of solvent, a portion of nonionic surfactant, alcohol compound, and hydroxystearin, heat, and homogenize to obtain material A;

[0024] The remaining solvent, remaining nonionic surfactant, anionic surfactant, and fatty acid salt are mixed and stirred until completely dissolved to obtain material B;

[0025] Material A, material B, and additives are mixed and stirred until evenly dispersed to obtain the cleaning composition.

[0026] According to some embodiments of the present invention, the specific preparation process of material A is as follows: an alcohol compound and a portion of a nonionic surfactant are added to an auxiliary pot, the temperature is raised to 80-85°C, and the mixture is stirred for 5-20 minutes; while stirring rapidly (500-700 rpm / min), hydroxystearin is sprinkled in and mixed until transparent; after adding a portion of hot water at 86-88°C, the mixture is homogenized for 1-3 minutes, stirred at medium speed (350-450 rpm / min), and cooled to below 45°C to obtain material A.

[0027] According to some embodiments of the present invention, the specific preparation process of material B is as follows: the remaining water, the remaining nonionic surfactant, dodecylbenzene sulfonate, amino acid surfactant, and fatty acid salt are added to a reaction vessel, the temperature is raised to 40-60°C, and the mixture is stirred for 5-15 minutes until it is completely dissolved and transparent. The mixture is then kept at 45°C to obtain material B.

[0028] A third aspect of the present invention provides a fabric detergent comprising the above-described cleaning composition.

[0029] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0030] The cleaning composition of this invention utilizes a rational combination of dodecylbenzene sulfonate, amino acid surfactants, nonionic surfactants, fatty acid salts, hydroxystearin, and alcohol compounds to work synergistically without the need for fluorescent whitening agents. It provides significant color protection for fabrics and allows microcapsule fragrances to remain stably suspended in the system without affecting the product's detergency. The cleaning composition of this invention has strong detergency, reduces odors caused by residual sebum peroxidation, and can be used in both ordinary and concentrated washing systems. It can also reduce gelation in concentrated systems. Attached Figure Description

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0032] Figure 1 The images show the comparison of the samples from Example 1 and Comparative Example 8 after stability testing. Detailed Implementation

[0033] To enable those skilled in the art to more clearly understand the technical solutions described in this invention, the following embodiments are provided for illustration. It should be noted that the following embodiments do not constitute a limitation on the scope of protection claimed by this invention.

[0034] Unless otherwise specified, the raw materials, reagents or devices used in the following examples are available from conventional commercial sources or can be obtained by existing known methods.

[0035] Examples 1-5 all provide a cleaning composition, the specific components and their mass content (based on 100% total) are shown in Table 1. All raw materials are commercially available.

[0036] Table 1

[0037]

[0038]

[0039] The cleaning compositions provided in Examples 1-5 were all prepared using the following method, specifically including the following steps:

[0040] S1. Add alcohol compounds and some nonionic surfactants to the auxiliary pot, heat to 85°C, and stir for 20 minutes; while stirring rapidly, sprinkle in hydroxystearin and mix until transparent; add some 88°C hot water, homogenize for 1 minute, stir at medium speed, and cool to below 45°C to obtain material A.

[0041] S2. Add the remaining water, remaining nonionic surfactant, ammonium dodecylbenzenesulfonate, amino acid surfactant, and fatty acid salt to the reaction vessel, heat to 60°C, stir for 15 minutes until completely dissolved and transparent, and keep warm at 45°C to obtain material B.

[0042] S3. Add citric acid and sodium citrate to material B obtained in step S2 to adjust the pH to 7.0-8.5, then add sodium polyacrylate and material A obtained in step S1, stir and mix well, cool to below 40°C, then add protease, Kathon and microcapsule fragrance, stir well to obtain a cleaning composition.

[0043] It should be noted that in the above preparation method, the term "partial" refers to 10% of the total amount of the component added. For example, in Example 1, the total amount of nonionic surfactant added is 5%, then the amount of partial nonionic surfactant added is 0.5%.

[0044] Comparative Examples 1-10

[0045] Comparative Example 1 used a national standard laundry detergent, and Comparative Examples 2 to 10 all provided a cleaning composition. The specific components and their mass content (based on 100% total) are shown in Table 2.

[0046] Table 2

[0047]

[0048]

[0049] The differences between Comparative Examples 1-10 and the Examples are explained in detail below:

[0050] Comparative Example 1 is the national standard laundry detergent formula; to better compare the performance of various aspects, an equal amount of microcapsule fragrance was added to the national standard laundry detergent.

[0051] The difference between Comparative Example 2 and Example 1 lies in the preparation method. Specifically, hydroxystearin is dissolved at a higher temperature (90°C) instead of using an auxiliary pot and pre-dissolving alcohol. The preparation method of Comparative Example 2 includes the following steps:

[0052] S1. Add sufficient water to the reaction vessel, start stirring, add ammonium dodecylbenzenesulfonate, heat the fatty acid ethoxylate to 90°C, then add hydroxystearin, and stir for 25 minutes until it is completely dissolved and dispersed.

[0053] S2. Cool down to 60℃, add amino acid surfactant, fatty acid salt, and alcohol compound to the reaction vessel, stir for 15 minutes until completely dissolved and transparent;

[0054] S3. Cool to 45°C, add citric acid and sodium citrate to adjust the pH to 7.0-8.5, then add sodium polyacrylate, stir and mix well, cool to below 40°C, then add protease, Kathon, and microcapsule fragrance, stir well to obtain the cleaning composition.

[0055] The difference between Comparative Example 3 and Example 1 lies in the preparation method. In Comparative Example 3, the pre-melting process of hydroxystearin did not involve the addition of fatty acid ethoxylates, and specifically included the following steps:

[0056] S1. Add alcohol compounds to the auxiliary pot, heat to 85°C, and stir for 20 minutes; while stirring rapidly, sprinkle in hydroxystearin and mix until transparent; add some 88°C hot water, homogenize for 1 minute, stir at medium speed, and cool to below 45°C to obtain material A.

[0057] S2. Add the remaining water, fatty acid ethoxylate, ammonium dodecylbenzenesulfonate, amino acid surfactant, and fatty acid salt to the reaction vessel, heat to 60°C, stir for 15 minutes until completely dissolved and transparent, and keep warm at 45°C to obtain material B.

[0058] S3. Add citric acid and sodium citrate to material B obtained in step S2 to adjust the pH, then add sodium polyacrylate and material A obtained in step S1, stir and mix well, cool to below 40°C, then add protease, Kathon and microcapsule fragrance, stir evenly to obtain a cleaning composition.

[0059] The difference between Comparative Example 4 and Example 1 lies in the preparation method. In Comparative Example 4, no alcohol compounds were added during the pre-melting process of the hydroxystearin, and the specific steps included were as follows:

[0060] S1. Add some fatty acid ethoxylate to the auxiliary pot, heat to 85°C, and stir for 20 minutes; while stirring rapidly, sprinkle in hydroxystearin and mix until transparent; add some 88°C hot water, homogenize for 1 minute, stir at medium speed, and cool to below 45°C to obtain material A.

[0061] S2. Add the remaining water, remaining fatty acid ethoxylate, alcohol compounds, ammonium dodecylbenzenesulfonate, amino acid surfactant, and fatty acid salt to the reaction vessel, heat to 60°C, stir for 15 minutes until completely dissolved and transparent, and keep warm at 45°C to obtain material B.

[0062] S3. Add citric acid and sodium citrate to material B obtained in step S2 to adjust the pH, then add sodium polyacrylate and material A obtained in step S1, stir and mix well, cool to below 40°C, then add protease, Kathon and microcapsule fragrance, stir evenly to obtain a cleaning composition.

[0063] The difference between Comparative Example 5 and Example 1 is that Comparative Example 5 replaces ammonium dodecylbenzenesulfonate with AES, while the other components, contents and preparation methods are the same as in Example 1.

[0064] The difference between Comparative Example 6 and Example 1 is that potassium cocoate was not added in Comparative Example 6, while the other components, contents and preparation methods are the same as in Example 1.

[0065] The difference between Comparative Example 7 and Example 1 is that Comparative Example 7 did not contain sodium lauroyl sarcosinate, while the other components, contents, and preparation methods were the same as in Example 1.

[0066] The difference between Comparative Example 8 and Example 1 is that Comparative Example 8 did not contain glycerol, while the other components, contents, and preparation methods were the same as in Example 1.

[0067] The difference between Comparative Example 9 and Example 1 is that Comparative Example 9 did not contain hydroxystearin, while the other components, contents, and preparation methods were the same as in Example 1.

[0068] The difference between Comparative Example 10 and Example 1 is that Comparative Example 10 did not contain propylene glycol, while the other components, contents, and preparation methods were the same as in Example 1.

[0069] Product performance testing

[0070] 1. Color protection test:

[0071] Red pure cotton cloth was selected. 1g of the test sample was added to water and stirred until dissolved. A 6cm x 6cm piece of red pure cotton cloth was then placed in the solution and soaked for 30 minutes. After rinsing twice with tap water and air-drying indoors, the color was measured using a whiteness meter. The color change of the cloth was determined by the difference in color values ​​before and after washing, thus evaluating the color-protecting effect of the sample. The test samples were products from Examples 1-5 and Comparative Examples 1-10. The test results are shown in Table 3.

[0072] Table 3

[0073]

[0074] Note: The closer the absolute value of Δ is to 0, the less the red cotton fabric fades and the better the color protection of the sample; the larger the absolute value of Δ is, the greater the color change of the red cotton fabric and the poorer the color protection of the sample.

[0075] As can be seen from the test results in Table 3, the color difference values ​​of the red pure cotton fabrics in Examples 1 to 5 did not change much, indicating that they all had obvious color protection effects.

[0076] Comparative Examples 2-4 showed worse color protection than Example 1, but better than the standard laundry detergent, indicating that the process improvement in Example 1 further enhanced the color protection effect of the samples. The color protection effect of Comparative Examples 5-10 was also worse than that of Example 1.

[0077] The above description illustrates that the cleaning composition of the present invention has a significant color-protecting effect on fabrics through the combined action of dodecylbenzene sulfonate, amino acid surfactant, nonionic surfactant, fatty acid salt, hydroxystearin and alcohol compounds. Furthermore, improvements to the process will further enhance the color-protecting effect of the product.

[0078] 2. Detergent cleaning power test:

[0079] Test method: The experiment was conducted according to GB / T 13174 Determination of detergency and recycle performance of detergents for clothing. The test results of Examples 1-5 and Comparative Examples 1-10 are shown in Table 4.

[0080] Table 4

[0081]

[0082]

[0083] As can be seen from Table 4 above, the samples in Examples 1 to 5 all met the requirements for detergency on various soiled cloths, with Example 3 showing the best effect. Example 3 represents the optimal formulation, exhibiting both color protection and detergency at a medium-to-high level.

[0084] Comparative Example 1: After adding microcapsule fragrance to the standard laundry detergent, the detergent's cleaning power decreased because the deposition of microcapsule fragrance affected its ability to remove dirt.

[0085] The detergency of Comparative Examples 1-10 also met the standard requirements, but were inferior to Example 1, especially Comparative Example 10, where the detergency of the protein-soaked cloth differed by 2.2. This indicates that the absence of propylene glycol affects the enzyme activity in the system, thereby affecting the detergency of the product. It also shows that alcohol in the system not only facilitates the dispersion of other substances but also synergistically enhances enzyme stability, allowing the system to exhibit better stability and cleaning effect.

[0086] 3. Suspension stability test:

[0087] A one-month heat resistance stability test was conducted, and the test results are shown in Table 5.

[0088] Table 5

[0089]

[0090]

[0091] Samples from Examples 1 to 5 all showed normal stability after one month of testing at both room temperature and high temperature. A photograph of the sample from Example 1 after one month of high-temperature stability testing is shown below. Figure 1As shown in (a), this indicates that the samples of Examples 1-5 have a good suspending and stabilizing effect on microcapsule flavorings.

[0092] Comparative Example 1: An equal amount of microcapsule fragrance was directly added to the national standard laundry detergent. There was no suspending effect. After testing at room temperature and high temperature, the microcapsule fragrance in the sample floated to the surface and precipitated.

[0093] Compared with Example 1, Comparative Example 2 was prepared at a higher temperature, and the sample dispersion effect was generally poor. Therefore, the sample became more transparent after the high temperature test, and the floating of a small amount of microcapsule flavoring indicated that the suspension force was also worse. This shows that even if the temperature is increased after changing the process of the present invention, a product with stable quality cannot be prepared.

[0094] Compared with Example 1, Comparative Examples 3 and 4 changed the pre-dissolution scheme in the preparation process, resulting in some particles that were not completely swollen and dispersed when the samples were discharged, which affected the appearance of the samples and the suspension effect was also poor.

[0095] Therefore, the preparation method of the present invention is advantageous for preparing color-protecting and cleaning compositions with normal appearance and stable suspension at lower temperatures.

[0096] Comparative Example 8, which did not contain glycerol, and Comparative Example 10, which did not contain propylene glycol, both resulted in abnormal appearance and unstable suspension. The actual image of Comparative Example 8 after one month of high-temperature stability testing is shown below. Figure 1 As shown in (b), Comparative Example 9 showed no suspension effect at all, demonstrating that the addition of hydroxystearin is crucial for the suspension of the system.

[0097] 4. Consumer trial evaluation

[0098] Experimental Methods: A total of 150 volunteers were recruited and divided into 15 groups of 10 people each. Each group tried one sample. After one month, the color changes of the colored clothing were evaluated and scored. A score of 5 was given for significant improvement, and a score of 1 was given for no improvement. The test results are shown in Table 6.

[0099] Table 6

[0100] Group Color protection effect Stain removal effect Odor removal effect Example 1 4.7 4.5 4.5 Example 2 4.9 5.0 4.5 Example 3 4.6 5.0 4.6 Example 4 4.5 4.5 4.9 Example 5 4.8 4.8 4.4 Comparative Example 1 2.6 3.3 3.5 Comparative Example 2 3.2 4.4 4.0 Comparative Example 3 2.6 2.1 4.1 Comparative Example 4 31 4.1 3.6 Comparative Example 5 2.4 2.5 4.2 Comparative Example 6 3.5 4.2 4.1 Comparative Example 7 3.7 4.3 4.0 Comparative Example 8 3.5 3.8 3.1 Comparative Example 9 3.8 4.0 1.8 Comparative Example 10 3.9 4.1 2.8

[0101] Note: The scores in the table are average scores.

[0102] As shown in Table 6, the overall scores of Examples 1-5 of the present invention are all greater than 4.5 points, while the average scores of the various effects in Comparative Examples 1-10 show a larger deviation. This indicates that the cleaning composition of the present invention has a better overall effect (decontamination, odor removal, and color protection) under the combined action of all components. Comparative Examples 1-10 demonstrate that changes in process conditions or modifications to the components in the present invention affect the color protection, suspension, or odor removal effects of the present invention.

[0103] The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A cleaning composition, characterized in that, The cleaning composition is made from the following components in the indicated weight percentages: 0.5-20% dodecylbenzene sulfonate, 0.1-10% amino acid surfactant, 0.1-20% nonionic surfactant, 0.1-5% fatty acid salt, 0.01-1% hydroxystearin, 0.1-10% alcohol compound, 0.01-5% auxiliaries, and the balance being solvent; The alcohol compound is a mixture of propylene glycol and glycerol; The amino acid surfactant is sodium lauroyl sarcosinate or sodium methyl cocoyl taurate. The nonionic surfactant is a fatty acid ethoxylate and / or an alkyl glycoside. The fatty acid salt is potassium cocoate or potassium oleate; The solvent is water; The cleaning composition is prepared by a method comprising the following steps: Add alcohol compounds and some nonionic surfactants to the auxiliary pot, heat to 80-85℃, and stir for 5-20 minutes; while stirring rapidly at 500-700 r / min, sprinkle in hydroxystearin, mix well until transparent; add some hot water at 86-88℃, homogenize for 1-3 minutes, stir at medium speed of 350-450 r / min, and cool to below 45℃ to obtain material A; The remaining solvent, remaining nonionic surfactant, dodecylbenzene sulfonate, amino acid surfactant, and fatty acid salt are mixed and stirred until completely dissolved to obtain material B; Material A, material B, and additives are mixed and stirred until evenly dispersed to obtain the cleaning composition.

2. The cleaning composition according to claim 1, characterized in that, The additives include at least one of the following: anti-redeposition agents, enzymes, microencapsulated flavorings, colorings, preservatives, and pH adjusters.

3. The cleaning composition according to claim 1, characterized in that, The dodecylbenzene sulfonate is sodium dodecylbenzene sulfonate and / or ammonium dodecylbenzene sulfonate.

4. A fabric detergent, characterized in that, Includes the cleaning combination according to any one of claims 1 to 3 things.

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