Plant-based microcrystalline suspension detergent composition and preparation method thereof

Abstract

The invention discloses a plant-based microcrystalline suspension detergent composition and a preparation method thereof. Wherein the cleaning agent comprises the following components: 0.5%-1.0% of a plant surfactant factor, 0.5%-2% of a suspending agent, 0.01%-0.5% of microcrystalline powder, 10%-20% of an anionic surfactant, 3%-10% of a nonionic surfactant, 0.01%-0.5% of citric acid, 1%-2% of an additive and the balance of deionized water; the suspending agent is formed by polymerizing 3000-10000 glucose molecules with the polymerization degree of 13-146 by using a beta-1, 4-glucoside bond combined straight chain type polysaccharide substance, the molecular weight is within a molecular chain segment range of 16200-220000, and when the viscosity of a stipulated composition is greater than 800 mpa.s, the formula has strong cleaning and suspension stability. The plant-based microcrystal suspension detergent composition contains plant-based surfactant factors, and is mild and safe in formula and small in skin irritation; a unique microcrystal appearance is provided, and the detergency and the redeposition resistance of the laundry detergent are enhanced by a microcrystal suspension technology; a formula suspension system does not need neutralization, the production process is simple, and labor cost is saved.

Description

Technical Field

[0001] The present invention relates to the technical field of detergents, in particular to a plant-based microcrystalline suspension detergent composition and a preparation method thereof. Background Art

[0002] In recent years, the laundry detergent market has developed rapidly, and major brands are competing fiercely. With the continuous improvement of people's living standards, consumers' expectations for laundry detergents are also increasing. Laundry detergents should not only achieve simple cleaning and decontamination functions, but also pursue unique fragrance and lasting fragrance. At the same time, there are higher requirements for the appearance of laundry detergents. Good-looking and good-smelling laundry detergents are the first choice for most consumers to buy laundry detergents. Most of the common laundry detergents on the market are simple transparent or milky white, while a laundry detergent with a special microcrystalline appearance will undoubtedly attract consumers' attention. The glittering microcrystalline particles suspended in the laundry detergent make the laundry detergent more gorgeous and mysterious.

[0003] At the same time, on the one hand, traditional laundry detergents perform poorly in terms of suspension stability, especially those containing microcapsule fragrances, which are prone to precipitation and precipitation of active ingredients, thus affecting the uniformity and durability of the washing effect. On the other hand, in order to achieve the suspension effect, many laundry detergents require complex neutralization treatment, which not only increases production costs, but also makes the production process cumbersome, which is not conducive to improving production efficiency and product quality stability.

[0004] Therefore, there is still room for improvement and innovation in existing detergents. Summary of the invention

[0005] In view of the deficiencies in the above-mentioned prior art, the object of the present invention is to provide a plant-based microcrystalline suspension detergent composition and a preparation method thereof which has strong cleaning and decontamination functions, is mild and safe, and has an attractive microcrystalline appearance, stable suspension technology, and a simple process flow.

[0006] In order to achieve the above object, the present invention adopts the following technical solution: A plant-based microcrystalline suspension detergent composition comprises the following raw materials by mass percentage: 0.5%-1.0% plant-based surfactant factor, 0.5%-2% suspending agent, 0.01%-0.5% microcrystalline powder, 10%-20% anionic surfactant, 3%-10% non-ionic surfactant, 0.01%-0.5% citric acid, 1%-2% additives, and the balance is deionized water.

[0007] Preferably, the plant-based surfactant factor is any one or more combinations of alkyl glycoside APG, coconut oil glucoside, lauryl glucoside, soapberry extract, and tea saponin.

[0008] Preferably, the anionic surfactant is any one or more combinations of sodium dodecylbenzene sulfonate, oleic acid, sodium dodecyl sulfate, sodium fatty alcohol polyoxyethylene ether sulfate, olefin sulfonate, and fatty acid methyl ester sulfonate.

[0009] Preferably, the nonionic surfactant is any one or more combinations of linear fatty alcohol polyoxyethylene ether, coconut oil fatty acid diethanolamide, and isomeric tridecyl alcohol polyoxyethylene ether; the carbon chain length of the linear fatty alcohol polyoxyethylene ether is 12-16, and the degree of ethylene oxide addition is 3-9.

[0010] Preferably, the suspending agent is any one or more combinations of microcrystalline cellulose (R-27, R-88, L-27, L-88), polyacrylic acid copolymer, SF-1, and SF-2, wherein when microcrystalline cellulose is used as a suspending agent, it is a linear polysaccharide substance bonded by β-1,4-glucosidic bonds, with a degree of polymerization between 13 and 146, and is composed of 3000 to 10,000 glucose molecules, and a molecular weight within the molecular chain segment range of 16200-220,000.

[0011] Preferably, the microcrystalline powder is any one or more combinations of 200 mesh microcrystalline powder, 400 mesh microcrystalline powder, 600 mesh microcrystalline powder and 800 mesh microcrystalline powder.

[0012] Preferably, the additive is any one or more combinations of chelating agents, alkali agents, proteases, flavors, preservatives, pigments, citric acid, and sodium chloride.

[0013] In addition, a method for preparing the plant-based microcrystalline suspension detergent composition is also provided, which specifically comprises the following steps: Step 1: Add sufficient amount of deionized water and chelating agent into the reaction kettle and stir for 1-3 minutes until transparent; Step 2, adding the plant surfactant factor and the anionic surfactant into the reaction kettle, neutralizing and stirring for 15-20 minutes; Step 3, add the nonionic surfactant into the reaction kettle and stir for 5 minutes until it is completely dissolved; Step 4: The suspending agent and the microcrystalline powder are uniformly dispersed in water in advance to prepare a suspending agent aqueous solution and a microcrystalline powder aqueous solution for standby use; Step 5, adding the suspension aqueous solution and the microcrystalline powder aqueous solution into the reaction kettle and stirring evenly; Step 6, add citric acid into the reaction kettle, stir evenly, and adjust the pH to 7.0-8.0; Step 7, adding other additives into the reaction kettle and stirring evenly; Step eight, sampling and testing the viscosity of the material, if the viscosity is greater than 800 mpa.s, if the viscosity is less than or equal to 800 mpa.s, then add sodium chloride aqueous solution, stir evenly and retest until the viscosity requirement is met.

[0014] Due to the adoption of the above scheme, the present invention has the following beneficial effects: 1. The plant-based surfactant factor in the composition of the present invention is of natural origin, mild and safe, has a high biodegradability, is skin-friendly during hand washing, and has no residual solution after rinsing, which is environmentally friendly.

[0015] 2. The composition of the present invention uses microcrystalline cellulose as a suspending agent, and its molecular chain has certain crystalline regions and amorphous regions. The regular arrangement of the microcrystalline molecular chains in the crystalline region provides strong stability and suspension ability; the molecular chains in the amorphous region are loosely arranged, and the molecular chain segments are entangled with each other, so that it has flexibility and reactivity, and provides adsorption and decontamination ability and thickening effect; the extension and contraction of the molecular chain segments affect the rheological properties of the composition, so that it exhibits strong adaptability in different applications, such as stirring, pouring, and standing.

[0016] 3. The microcrystalline powder in the composition of the present invention not only gives the laundry detergent a unique and attractive appearance, but also increases the friction between the laundry detergent and the clothes due to its special physical properties, thereby significantly improving the cleaning ability and more effectively removing various stubborn stains, while ensuring that there is no residue of microcrystalline powder after rinsing.

[0017] 4. The composition of the present invention successfully realizes a simple process without neutralization. The microcrystalline cellulose suspension agent is a linear polysaccharide substance bonded by β-1,4-glucosidic bonds, with a degree of polymerization between 13 and 146, and is polymerized by 3,000 to 10,000 glucose molecules. The molecular weight is within the molecular chain segment range of 16,200 to 220,000. When the viscosity of the composition is adjusted to be greater than 800 mPa.s, the crystalline region and amorphous region characteristics of the microcrystalline cellulose molecular chain enable substances such as microcrystalline powder and flavors to have a stable suspension effect, so that the laundry detergent has excellent suspension stability and strong cleaning ability. Its rheological properties ensure that the composition will not be stratified or precipitated even if it is left standing for a long time, thereby ensuring the consistency and reliability of the washing effect. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0019] A plant-based microcrystalline suspension detergent composition comprises the following raw materials by mass percentage: 0.5%-1.0% plant-based surfactant factor, 0.5%-2% suspending agent, 0.01%-0.5% microcrystalline powder, 10%-20% anionic surfactant, 3%-10% non-ionic surfactant, 0.01%-0.5% citric acid, 1%-2% additives, and the balance is deionized water.

[0020] Furthermore, the plant-based surfactant factor is any one or more combinations of alkyl glycoside APG, coconut oil glucoside, lauryl glucoside, soapberry extract, and tea saponin.

[0021] Furthermore, the anionic surfactant is any one or more combinations of sodium dodecylbenzene sulfonate, oleic acid, sodium dodecyl sulfate, sodium fatty alcohol polyoxyethylene ether sulfate, olefin sulfonate, and fatty acid methyl ester sulfonate.

[0022] Furthermore, the nonionic surfactant is any one or more combinations of linear fatty alcohol polyoxyethylene ether, coconut oil fatty acid diethanolamide, and isomeric tridecanol polyoxyethylene ether; the carbon chain length of the linear fatty alcohol polyoxyethylene ether is 12-16, and the degree of ethylene oxide addition is 3-9.

[0023] Furthermore, the suspending agent is any one or more combinations of microcrystalline cellulose (R-27, R-88, L-27, L-88), polyacrylic acid copolymer, SF-1, and SF-2, wherein when microcrystalline cellulose is used as a suspending agent, it is a linear polysaccharide substance bonded by β-1,4-glucosidic bonds, with a degree of polymerization between 13 and 146, and is formed by polymerizing 3,000 to 10,000 glucose molecules, and a molecular weight within the molecular chain segment range of 16,200 to 220,000.

[0024] Furthermore, the microcrystalline powder is any one or more combinations of 200 mesh microcrystalline powder, 400 mesh microcrystalline powder, 600 mesh microcrystalline powder, and 800 mesh microcrystalline powder.

[0025] Furthermore, the additive is any one or more combinations of chelating agents, alkali agents, proteases, flavors, preservatives, pigments, citric acid, and sodium chloride.

[0026] In addition, a method for preparing the plant-based microcrystalline suspension detergent composition is also provided, which specifically comprises the following steps: Step 1: Add sufficient amount of deionized water and chelating agent into the reaction kettle and stir for 1-3 minutes until transparent; Step 2, adding the plant surfactant factor and the anionic surfactant into the reaction kettle, neutralizing and stirring for 15-20 minutes; Step 3, add the nonionic surfactant into the reaction kettle and stir for 5 minutes until it is completely dissolved; Step 4: The suspending agent and the microcrystalline powder are uniformly dispersed in water in advance to prepare a suspending agent aqueous solution and a microcrystalline powder aqueous solution for standby use; Step 5, adding the suspension aqueous solution and the microcrystalline powder aqueous solution into the reaction kettle and stirring evenly; Step 6, add citric acid into the reaction kettle, stir evenly, and adjust the pH to 7.0-8.0; Step 7, adding other additives into the reaction kettle and stirring evenly; Step eight, sampling and testing the viscosity of the material, if the viscosity is greater than 800 mpa.s, if the viscosity is less than or equal to 800 mpa.s, then add sodium chloride aqueous solution, stir evenly and retest until the viscosity requirement is met.

[0027] To further illustrate this embodiment, various embodiments with different composition ratios are used as examples: Table 1 shows the component ratios of Examples 1-5, wherein potassium hydroxide and liquid caustic soda (32%) in Table 1 are alkali agents in the additives, and the flavors are divided into ordinary flavors and microcapsule flavors:

[0028] The above-mentioned embodiments 1-5 were tested, and the experimental description is as follows: 1. When the same amount of microcrystalline powder is added, the cleaning power and suspension effect of different amounts of microcrystalline cellulose are examined.

[0029] 2. When the same amount of microcrystalline cellulose is added, the cleaning power and suspension effect of different amounts of microcrystalline powder are examined.

[0030] 3. Investigate the effects of different addition amounts of anionic fatty alcohol polyoxyethylene ether sodium sulfate and sodium dodecylbenzene sulfonate on cleaning power and suspension.

[0031] Table 2 shows the component ratios of Comparative Examples 1-3

[0032] Comparative Examples 1-5 are described as follows: Comparative Example 1 Compared with Example 1, no microcrystalline cellulose was added, and other components and preparation methods were the same, and its cleaning power and suspension were examined.

[0033] Comparative Example 2 is compared with Example 1, except that no microcrystalline powder is added, and other components and preparation methods are the same, and its cleaning power and suspension condition are examined.

[0034] Comparative Example 3 is compared with Example 1, except that no microcrystalline cellulose and microcrystalline powder are added, and other components and preparation methods are the same, and its cleaning power and suspension condition are examined.

[0035] The laundry detergents prepared in the above-mentioned embodiments and comparative examples were subjected to performance tests, and the test items were heat and cold resistance suspension stability and detergency tests for one month.

[0036] The suspension stability results are shown in Table 3:

[0037] According to Table 3, when a small amount of microcrystalline cellulose is added as the suspending agent, slight precipitation will still occur. After multiple freeze-thaw cycles, slight precipitation and stratification may occur. After the microcrystalline cellulose content increases, the stratification and precipitation phenomenon will disappear. When no microcrystalline cellulose is added, the stratification and precipitation phenomenon is obvious, and the microcrystalline powder sinks to the bottom. When neither microcrystalline cellulose nor microcrystalline powder is added, stratification and microcapsule precipitation will also occur.

[0038] The results of the detergency test are shown in Table 4 below:

[0039] According to Table 4, the addition of microcrystalline cellulose and microcrystalline powder helps to improve the cleaning power of laundry detergent. As the content increases, the cleaning effect on carbon black and sebum stains is more significantly improved.

[0040] In summary, the embodiment of the present invention provides a plant-based microcrystalline suspension detergent composition and a preparation method thereof, which is added with a plant-based surfactant alkyl polyglycoside APG, is mild and safe, has a high biodegradability, is green and environmentally friendly, and reasonably selects and compounded anionic surfactants and non-ionic surfactants. The added suspending agent is a linear polysaccharide substance bonded by β-1,4-glucoside bonds, with a degree of polymerization between 13-146, and 3000 to 10000 glucose molecules are polymerized. The molecular chain segments of microcrystalline cellulose and microcrystalline powder with a molecular weight of 16200-220000 are combined to provide an eye-catching appearance while improving the cleaning ability and suspension stability of the laundry detergent itself. The process is simple, and the suspension system does not need to be neutralized, thereby reducing costs.

[0041] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A plant-based microcrystalline suspension detergent composition and a preparation method thereof, characterized in that: The raw materials include the following components by mass percentage: 0.5%-1.0% plant-based surfactant factor, 0.5%-2% suspending agent, 0.01%-0.5% microcrystalline powder, 10%-20% anionic surfactant, 3%-10% non-ionic surfactant, 0.01%-0.5% citric acid, 1%-2% additives, and the balance is deionized water.

2. A plant-based microcrystalline suspension detergent composition and a preparation method thereof according to claim 1, characterized in that: The plant-based surfactant factor is any one or more combinations of alkyl glycoside APG, coconut oil glucoside, lauryl glucoside, soapberry extract, and tea saponin.

3. A plant-based microcrystalline suspension detergent composition and a preparation method thereof according to claim 2, characterized in that: The anionic surfactant is any one or more combinations of sodium dodecylbenzene sulfonate, oleic acid, sodium dodecyl sulfate, sodium fatty alcohol polyoxyethylene ether sulfate, olefin sulfonate, and fatty acid methyl ester sulfonate.

4. A plant-based microcrystalline suspension detergent composition and a preparation method thereof according to claim 3, characterized in that: The nonionic surfactant is any one or more combinations of linear fatty alcohol polyoxyethylene ether, coconut oil fatty acid diethanolamide, and isomeric tridecanol polyoxyethylene ether; the carbon chain length of the linear fatty alcohol polyoxyethylene ether is 12-16, and the degree of ethylene oxide addition is 3-9.

5. A plant-based microcrystalline suspension detergent composition and a preparation method thereof according to claim 4, characterized in that: The suspending agent is any one or more combinations of microcrystalline cellulose (R-27, R-88, L-27, L-88), polyacrylic acid copolymer, SF-1, and SF-2. When microcrystalline cellulose is used as a suspending agent, it is a linear polysaccharide substance bonded by β-1,4-glucosidic bonds, with a degree of polymerization between 13 and 146, and is formed by polymerizing 3,000 to 10,000 glucose molecules, and a molecular weight within the molecular chain segment range of 16,200 to 220,000.

6. A plant-based microcrystalline suspension detergent composition and a preparation method thereof according to claim 4, characterized in that: The microcrystalline powder is any one or more combinations of 200 mesh microcrystalline powder, 400 mesh microcrystalline powder, 600 mesh microcrystalline powder, and 800 mesh microcrystalline powder.

7. A plant-based microcrystalline suspension detergent composition and a preparation method thereof according to claim 4, characterized in that: The additive is any one or more combinations of chelating agents, alkali agents, proteases, flavors, preservatives, pigments, citric acid, and sodium chloride.

8. A method for preparing the plant-based microcrystalline suspension detergent composition according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1: Add sufficient amount of deionized water and chelating agent into the reaction kettle and stir for 1-3 minutes until transparent; Step 2, adding the plant surfactant factor and the anionic surfactant into the reaction kettle, neutralizing and stirring for 15-20 minutes; Step 3, add the nonionic surfactant into the reaction kettle and stir for 5 minutes until it is completely dissolved; Step 4: The suspension agent and the microcrystalline powder are pre-dispersed evenly with water to prepare a suspension agent aqueous solution and a microcrystalline powder aqueous solution for standby use; Step 5, adding the suspension aqueous solution and the microcrystalline powder aqueous solution into the reaction kettle and stirring evenly; Step 6, add citric acid into the reaction kettle, stir evenly, and adjust the pH to 7.0-8.0; Step 7, adding other additives into the reaction kettle and stirring evenly; Step eight, sampling and testing the viscosity of the material, if the viscosity is greater than 800 mpa.s, if the viscosity is less than or equal to 800 mpa.s, then add sodium chloride aqueous solution, stir evenly and retest until the viscosity requirement is met.

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