CN111534388A - Low-foam easy-to-bleach sterilization laundry detergent and preparation method thereof - Google Patents
Low-foam easy-to-bleach sterilization laundry detergent and preparation method thereof Download PDFInfo
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- CN111534388A CN111534388A CN202010345591.1A CN202010345591A CN111534388A CN 111534388 A CN111534388 A CN 111534388A CN 202010345591 A CN202010345591 A CN 202010345591A CN 111534388 A CN111534388 A CN 111534388A
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- 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
- C11D10/00—Compositions of detergents, not provided for by one single preceding group
- C11D10/04—Compositions of detergents, not provided for by one single preceding group based on mixtures of surface-active non-soap compounds and soap
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- 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
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- 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
Abstract
The invention discloses a low-foam easy-to-rinse sterilization laundry detergent and a preparation method thereof, and belongs to the technical field of mixtures of nonionic compounds and anionic compounds. The low-foam easy-to-rinse sterilizing laundry detergent is prepared from the following raw materials in percentage by mass: 10% -15% of dodecyl benzene sulfonic acid; 5-10% of fatty alcohol-polyoxyethylene ether; 1-5% of water-based high molecular polymer; 1 to 5 percent of potassium soap and 1 to 2 percent of sodium hydroxide; 0-0.5% of chelating agent; 1% -2% of sodium chloride; 0-0.5% of preservative; 0.3 percent of essence; the balance being water. The preparation method comprises the following steps: preparing dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, aqueous high polymer, potassium soap, sodium hydroxide, chelating agent, sodium chloride, preservative, essence and water according to the proportion; adding water into a batching kettle, adding sodium hydroxide, adding dodecylbenzene sulfonic acid to enable the pH value to be 8.5-9.5, adding fatty alcohol-polyoxyethylene ether, sodium polyacrylate and potassium soap, and adjusting the pH value to be 8.0-10.0; and (5) cooling and standing. The laundry detergent disclosed by the invention has the effects of low foam, easiness in bleaching and sterilization.
Description
Technical Field
The invention relates to the technical field of mixtures of nonionic compounds and anionic compounds, in particular to a low-foam easy-rinsing sterilization laundry detergent and a preparation method thereof.
Background
People inevitably contact with various dirt in daily life and work. Washing is a process of removing unnecessary components, i.e., dirt, from the surface of the washing object from the washing object. The adhesion relationship between the dirt and the washing object includes physical adhesion and chemical adhesion, and the acting force between the physically adhered dirt and the washing object is weaker and easy to remove, such as silt, fine powder and the like; chemical adhesion is adhesion of dirt to an object to be washed by a chemical bond formed by a chemical reaction, and the chemical adhesion of dirt to the object to be washed is strong and the dirt is not easily removed.
If the washing object is clothes, the liquid laundry detergent weakens or even eliminates the action between the clothes and the dirt, so that the combination between the clothes and the dirt is converted into the combination between the liquid laundry detergent and the dirt, and finally the dirt is separated from the clothes. The active ingredients of the laundry detergent are mainly surfactants, and the structure of the laundry detergent comprises a hydrophilic end and an oleophilic end, wherein the oleophilic end is combined with stains, and then the stains and fabrics are separated by physical action (such as machine washing by hand rubbing or machine stirring). Meanwhile, the surfactant reduces the tension of water, so that the water can reach the surface of the fabric, and the effective components can play a role. The nonionic surfactant has strong dirt-removing power, can penetrate into the interior of clothes fibers to play a washing role, and can remove dirt more thoroughly.
Air is dispersed in the liquid and a foam is formed. The surfactant is directionally adsorbed, so that the interfacial tension between gas and liquid phases is reduced, and a film formed by hydrated surfactant, namely bubbles, is formed on the interface. Excessive foam can form residual stains on the surface of the fabric to influence the washing effect; during the washing process, more generated foam is easy to cause overflow, and the movement of clothes in water is influenced; the more foam is formed during the washing process, the longer the rinsing time, resulting in water and electricity waste.
In the prior art, it is common practice to add an antifoam. The silicone oil type defoaming agent has no defoaming performance of single silicone, has strong foam inhibition and defoaming performance after being emulsified, but has the performance based on emulsification, and can easily generate demulsification when being added into a system if the emulsification is not complete enough, so that the use effect is influenced. In addition, it has poor water solubility and thus poor stability in aqueous liquid detergents, and the resulting systems are generally opaque and have a large impact on appearance.
The existing product generally has the independent defoaming effect of a plurality of raw materials or the independent sterilization effect of a plurality of raw materials. The invention patent with application number 200910194668.3 discloses a low-foam laundry detergent, which is characterized in that excessive chemical active substances are added in the laundry detergent during the manufacturing process, and the chemical active substances have very strong foaming characteristics, so that the chemical active substances are unstable when being stirred by a machine, and a large amount of bubbles are easily generated. The gas is dispersed in the surfactant-containing liquid to both generate a large number of bubbles and stabilize the bubbles, which rise toward the air interface, but are surrounded by a surfactant-containing surface film, forming a bilayer, i.e., a bubble interlayer. A large amount of foam is formed in the system, and the cleaning is difficult to clean by rinsing.
The invention patent with application number 201610144093.4 discloses a low-foam sterilization laundry detergent which comprises sodium dodecyl benzene sulfonate, glyceryl stearate, sodium silicate, biological enzyme, glycerol, sorbitol, sodium cumenesulfonate, coconut milk, plant extract, tea tree oil, citric acid, preservative and water. The raw materials are numerous, and in order to achieve the purpose of low-foam sterilization, 13 raw materials are required to be used.
Based on the technical defects in the prior art, the laundry detergent provided by the invention has the advantages of small quantity of raw materials, excellent effect and low cost, is low in foam and easy to bleach, and can remove bacteria.
Disclosure of Invention
Aiming at the defects of difficult preparation and high cost of a plurality of raw materials in the prior art, the invention provides the low-foam easy-bleaching sterilization laundry detergent which has the advantages of excellent low foam and high sterilization rate; the second purpose is to provide a preparation method of the low-foam easy-bleaching sterilization laundry detergent, which has the technical effects of few raw material types, low cost, low foam of the product, easy bleaching and sterilization.
In order to achieve the first object, the invention provides the following technical scheme: a low-foam easy-bleaching degerming laundry detergent comprises 10% -15% of dodecylbenzene sulfonic acid, 5% -10% of fatty alcohol-polyoxyethylene ether, 1% -5% of a water-based high polymer, 1% -5% of potassium soap, 1% -2% of sodium hydroxide, 0-0.5% of a chelating agent and 1% -2% of sodium chloride; 0-0.5% of preservative and the balance of water.
By adopting the technical scheme, the materials mainly adopt dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, aqueous high polymer and potassium soap. Dodecylbenzene sulfonic acid is an anionic surfactant. According to the principle technology that the sodium dodecyl benzene sulfonate can decompose the protein, the system has no protein, no life activity exists, the structure of the protein is damaged, and the life activity of the microorganism is inhibited or even stopped. Protein molecules form certain spatial conformation through weak chemical bonds, which is important for maintaining the physiological activity of the protein, and when the spatial conformation of the protein is damaged, the original physiological activity is lost. So that the lipophilic bond between protein chains is destroyed to achieve the purpose of sterilization.
Fatty alcohol polyoxyethylene ether (AEO), a nonionic surfactant. Has stronger detergency, wettability, emulsifying property, hard water resistance, lower irritation and better biodegradability, and is obtained by adding Ethylene Oxide (EO) and fatty alcohol. The general formula can be represented as RO (CH2 CH)2O)nH, wherein n represents the number of EO additions, R represents a saturated or unsaturated hydrocarbon group, which may be linear or branched, and the number of C atoms is generally between 12 and 18. The larger n in the surfactant molecule is, the more the number of oxyethylene groups is, the more oxygen on the hydrophilic group is, the more hydrogen bonds can be combined with water, and the water solubility of the surfactant is improved; the potassium soap may be potassium cocoate, potassium lauryl soap or potassium oleate soap. Potassium cocoate belongs to one of potassium soaps, and has the functions of emulsification, decontamination, foaming, moistening and the like when dissolved in water. Therefore, the dodecyl benzene sulfonic acid, the fatty alcohol-polyoxyethylene ether, the water-based high polymer and the potassium cocoate have synergistic effect and have the technical effects of defoaming and degerming.
Furthermore, the raw material of the laundry detergent is 10% -15% of dodecylbenzene sulfonic acid; 5-10% of fatty alcohol-polyoxyethylene ether; 1-5% of water-based high molecular polymer; 1-5% of potassium cocoate and 1-2% of sodium hydroxide; 0-0.5% of chelating agent; 1% -2% of sodium chloride; 0-0.5% of preservative; 0.3 percent of essence; the balance being water.
Through above-mentioned technical scheme, the quantity of material is in more specific within range, and the defoaming effect of product is better, and the degerming rate is higher.
Further, the aqueous high molecular polymer is one or more of polyacrylic acid sodium salt, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, maleic acid-acrylic acid polymer sodium salt or maleic acid-olefin copolymer sodium salt.
By adopting the technical scheme, the stain molecules separated from the surface of the fabric can be effectively wrapped and suspended in water, and the stain molecules are prevented from being deposited on the surface of the fabric again in the washing process to influence the washing effect, so that the real cleanness is achieved.
Further, the aqueous high molecular polymer is polyacrylic acid sodium salt.
By adopting the technical scheme, the sodium polyacrylate is used in the formula of the laundry detergent, has the best compatibility, and has an effect obviously superior to other high-molecular polymers.
Further, the chelating agent is one or more of sodium citrate, sodium tartrate, ethylene diamine tetraacetic acid disodium or nitrilotriacetic acid sodium salt.
Through the technical scheme, the viscosity of the laundry detergent is improved, and the mobility of the laundry detergent is better.
Further, the perfume also comprises an opacifier and essence, wherein the dosage of the opacifier is 0-0.5%, and the dosage of the essence is 0.3%.
Through the technical scheme, the smell of the laundry detergent is controllable, and the color and the texture of other appearances of the laundry detergent are adjusted.
In order to achieve the second object, the invention provides a method for preparing a low-foam easy-bleaching sterilization laundry detergent, which is realized according to the following steps:
(1) preparing dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, aqueous high polymer, potassium soap, sodium hydroxide, chelating agent, sodium chloride, preservative, essence and water according to the proportion;
(2) adding water into a batching kettle, stirring a chelating agent and sodium hydroxide, heating to 30-40 ℃, adding dodecylbenzene sulfonic acid, and adding sodium hydroxide to enable the pH value to be 8.5-9.5;
(3) adding fatty alcohol-polyoxyethylene ether, sodium polyacrylate and potassium soap, and stirring until the fatty alcohol-polyoxyethylene ether, the sodium polyacrylate and the potassium soap are completely dissolved;
(4) adjusting the pH value to 8.0-10.0, and uniformly stirring;
(5) adding essence, antiseptic and NaCl until completely dissolved;
(6) and (5) cooling and standing. Through the technical scheme, the laundry detergent with low foam, good effect and high sterilization rate can be prepared by using less raw materials.
Further, in the step (2), the heating temperature is 35 to 40 ℃.
By adopting the technical scheme, the dissolution speed of the dodecylbenzene sulfonic acid, the fatty alcohol-polyoxyethylene ether and the potassium soap is higher when the temperature is 35-40 ℃.
Further, in step (1), water is softened in advance.
Through the technical scheme, substances which are easy to react with the raw materials in the water to influence the washing effect are removed from the softened water. The hardness of water is mainly composed of calcium (Ca) in the water2+) Magnesium (Mg)2+) Ion-formed. When raw water containing hardness ions passes through the exchanger resin layer, calcium and magnesium ions in the water are replaced with sodium ions in the resin, the resin adsorbs the calcium and magnesium ions, and the sodium ions enter the water, so that the hardness of the water is reduced, and the ions are separated from the water. Part of sodium carbonate in the laundry detergent can be combined with calcium and magnesium ions in water to generate precipitates. The heavy metal ions in the water can combine with detergent molecules to form insoluble metal salt, so that the washing capacity of the detergent is reduced. These insoluble metal salts can also deposit on the textile, causing the textile to become stiff and hairy, affecting the quality of the pretreatment. So as to avoid the adverse effect of heavy metal ions on the detergent and improve the pretreatment quality. The softened water can remove pollutants on clothes, and the clothes are soft and fluffy.
Further, adding 0.1-0.4% of opacifier by mass percent before the step (4).
Through the technical scheme, light can be effectively scattered, the color of the laundry detergent and the texture of other appearances can be adjusted, and the appearance of the prepared laundry detergent product is better.
The invention has the following beneficial effects:
firstly, the invention of the technical scheme is characterized in that four raw materials, namely dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, sodium polyacrylate and potassium soap, are mainly used for simultaneously realizing the technical effects of defoaming, degerming and decontaminating. The existing laundry detergent is basically separated from the antibacterial and defoaming effects, and only has the defoaming effect as in the patent of the invention of the comparative example 2, and 6 main raw materials are required to be used. The invention patent of comparative example 1 discloses a low-foam sterilization laundry detergent which has defoaming and sterilization effects, but the types of main raw materials of the low-foam sterilization laundry detergent reach 11. The technical scheme of the application is obtained by the inventor through accidental misoperation at one time, and the defoaming, sterilizing and decontamination effects of the product are far better than those of the prior products. Compared with the existing laundry detergent, six or seven raw materials are reduced, the original functions and effects are not lost, two defoaming and sterilizing functions which are not realized in a concentrated mode are realized, fewer and more economical raw materials are used, and the laundry detergent with a better effect is prepared.
Secondly, the invention adopts the dodecylbenzene sulfonic acid, the fatty alcohol-polyoxyethylene ether, the water-based high polymer and the potassium soap, the PH value of the system is neutral, and the formula is mild and does not hurt hands; phosphorus is not contained, and the degradation is complete, which means environmental protection and safety; the active matter content is high, the requirement of meeting the industrial standard is not less than 15 percent, and the dosage is more saved; the viscosity is moderate, the fluidity is good, and the pouring, the pre-coating and the dissolving are convenient; by adopting a foam control technology, the low-foam easy-rinsing agent has low foam and basically rinses the foam after one-time rinsing; has the efficacy of degerming and low comprehensive use cost; the fluorescent whitening agent is not added, so that clothes are really washed clean, because the fluorescent whitening agent only optically makes clothes look clean, but actually stains still exist; the special water treatment agent is added, so that the water treatment agent is suitable for all water qualities, does not influence the washing effect, and is more convenient to use.
Thirdly, the combination of dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, sodium polyacrylate and potassium soap is preferably adopted in the invention, because the combination has the functions of defoaming and inhibiting bubbles, the formation of bubbles is inhibited, and the bubbles formed are broken at the same time, so that the low-foaming effect is obtained, and because of low bubbles, the clothes can move more fully in water and are easier to rinse; and because of the synergistic effect among the raw materials, the sterilization effect of the product is obviously enhanced, and the sterilization technical effect is achieved.
Fourthly, the invention mainly uses linear dodecyl benzene sulfonate as a main surfactant, and the surfactant has the characteristics of environmental protection, no toxicity and low foam. The linear dodecyl benzene sulfonate is easy to oxidize, strong in foaming power, high in detergency, easy to compound with various assistants, low in cost, mature in synthesis process, wide in application field and excellent in anionic surfactant. The detergent has obvious detergent effect on granular dirt, protein dirt and oily dirt, excellent washing effect on the granular dirt on natural fiber, high detergency with the raised washing temperature, high protein dirt effect and rich foam.
Fifthly, according to the method, three batches of raw materials of sodium hydroxide, dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, aqueous high polymer, potassium soap, chelating agent, sodium chloride, preservative and water are added in sequence, so that the raw materials are few in variety, the preparation method is simple, the technical process is not complex, the method is easy to implement, and the efficiency and the yield are improved.
Detailed Description
The present invention will be described in further detail with reference to examples.
First, an embodiment
The manufacturer information of the raw materials and reagents used in the examples is shown in table 1.
Table 1: source of raw materials
The principle of the technical scheme is as follows:
the alkyl benzene sulfonic acid is linear chain and is an anionic surfactant, and according to the principle technology that sodium alkyl benzene sulfonate can decompose protein, the system has no protein, so that no life activity exists, the structure of the protein is damaged, and the life activity of microorganisms is inhibited or even stopped. Protein molecules form certain spatial conformation through weak chemical bonds, which is important for maintaining the physiological activity of the protein, and when the spatial conformation of the protein is damaged, the original physiological activity is lost. The lipophilic bond between protein chains is destroyed, thereby achieving the purpose of degerming;
fatty alcohol polyoxyethylene ether (AEO), a nonionic surfactant. Has stronger detergency, wettability, emulsifying property, hard water resistance, lower irritation and better biodegradability, and is obtained by adding Ethylene Oxide (EO) and fatty alcohol. The general formula can be represented as RO (CH2 CH)2O)nH, wherein n represents the number of EO additions, R represents a saturated or unsaturated hydrocarbon group, which may be linear or branched, and the number of C atoms is generally between 12 and 18. The larger n in the surfactant molecule means that the more the number of oxyethylene groups, the more oxygen on the hydrophilic group, the more hydrogen bonds can be combined with water, and the water solubility is improved.
The sodium polyacrylate is a water-soluble high-molecular compound, is a high-performance water-soluble cleaning agent, can reduce redeposition of dirt substances (has higher white retention), improves stronger chelating capacity for water, is beneficial to resisting side effects caused by hardness of water, prevents fabric dirt from being attached to clothes again, and enhances cleaning capacity of the cleaning agent.
Potassium cocoate belongs to one of potassium soaps and is a natural green anionic surfactant. Has the advantages of low foaming, quick defoaming, obvious stain removal on protein stains, viscosity reduction in a system and quick dispersion of a detergent when clothes are washed.
In the formula, alkylbenzene sulfonic acid and AEO-9 are selected as the most commonly used surfactants with the largest dosage in washing products, so that the detergent has excellent foaming and dirt-removing capabilities, has the characteristics of environmental protection, no toxicity and low foam, and is widely applied to the detergent industry of tableware, fruits and vegetables in recent years. The two components are selected to be compounded with the decontamination enhancement effect of 1+1>2, and then the mixture of the stabilizer sodium polyacrylate is compounded, so that stain molecules separated from the surface of the fabric can be effectively wrapped and suspended in water under the cooperation, the stain molecules are prevented from being deposited on the surface of the fabric again in the washing process to influence the washing effect, and the tension of the surfactant can be effectively reduced by matching with the low-foam potassium cocoate, so that the washing effect is improved, the foam generated by the surfactant is reduced, and the purpose of saving washing water is achieved.
Compared with other common detergents in the market, the laundry detergent has the advantages that the decontamination capability of the laundry detergent reaches the national standard under the condition of not increasing a fluorescent whitening agent, the formula and the process are continuously improved, the cost of the laundry detergent is reduced, and the product meets the daily life needs of common people. In addition, because the serious water shortage problem exists in northern areas of China, particularly Beijing, the laundry detergent solves the problems that the laundry detergent has more foams and needs to be rinsed repeatedly by adding a green and environment-friendly additive of potassium cocoate, and saves a large amount of water for household washing.
The following examples are intended to illustrate the invention without further limiting it. All percentages are by mass unless otherwise indicated. The raw materials and mass percentages of examples 1 to 8 and comparative examples 1 to 7 are shown in Table 2.
Table 2: the mass percentage of each raw material of the laundry detergent
Example 1
The raw materials used in the embodiment comprise, by mass, 13 parts of dodecylbenzene sulfonic acid, 8 parts of fatty alcohol-polyoxyethylene ether, 3 parts of sodium polyacrylate, 4 parts of potassium cocoate (KC30), 2 parts of sodium hydroxide, 0.1 part of ethylenediamine tetraacetic acid, 1.4 parts of sodium chloride, 0.3 part of an opacifier, 0.7 part of a preservative and 0.3 part of a essence.
The preparation method of the low-foam easy-bleaching degerming laundry detergent comprises the following steps:
(1) preparing dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, polyacrylic acid sodium salt, potassium cocoate, sodium hydroxide, ethylenediamine tetraacetic acid, sodium chloride, an opacifier, a preservative, essence and water according to a ratio; wherein the water is deionized water.
(2) Adding water into a batching kettle, adding a chelating agent and sodium hydroxide, starting stirring, heating to 40 ℃, and adding dodecylbenzene sulfonic acid to ensure that the pH value is 9;
the step ensures that the pH value ensures that the subsequent components and the laundry detergent prepared by the compatibility of the components have better defoaming effect.
(3) Adding fatty alcohol-polyoxyethylene ether, sodium polyacrylate and potassium cocoate, and stirring for 30 minutes until the fatty alcohol-polyoxyethylene ether, the sodium polyacrylate and the potassium cocoate are completely dissolved;
(4) adding 0.3 mass percent of opacifier.
(5) Adjusting the pH value to 8, and stirring uniformly;
at the moment, the pH value is adjusted to ensure that the pH value of the finished product of the laundry detergent reaches the pH range without hurting hands and clothes.
(6) Adding NaCl until the NaCl is completely dissolved;
(7) adding preservative with the dosage of 0.7%; essence with the dosage of 0.3 percent
(8) Cooling to below 35 deg.C, and standing.
Example 2
Example 2 is identical to example 1 in the kind of raw materials, and only differs in the amount of raw materials. The raw material percentages of example 2 are shown in table 2, namely, dodecylbenzene sulfonic acid 10, fatty alcohol-polyoxyethylene ether 9, polyacrylic acid sodium salt 5, lauryl potassium soap 3, sodium hydroxide 1.5, ethylenediaminetetraacetic acid 0.3, sodium chloride 1.6, sunscreen agent 0.5, preservative 0.2, and essence 0.3.
The preparation method of the low-foam easy-bleaching degerming laundry detergent comprises the following steps:
(1) preparing dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, polyacrylic acid sodium salt, lauryl potassium soap, sodium hydroxide, ethylene diamine tetraacetic acid, sodium chloride, an opacifier, a preservative, essence and water according to a ratio;
(2) adding water into a batching kettle, adding a chelating agent and sodium hydroxide, starting stirring, heating to 30 ℃, and adding dodecylbenzene sulfonic acid to ensure that the pH value is 9;
the step ensures that the pH value ensures that the subsequent components and the laundry detergent prepared by the compatibility of the components have better defoaming effect.
(3) Adding fatty alcohol-polyoxyethylene ether, sodium polyacrylate and lauryl potassium soap, and stirring for 30 minutes until the fatty alcohol-polyoxyethylene ether, the sodium polyacrylate and the lauryl potassium soap are completely dissolved;
(4) adding 0.3 mass percent of opacifier.
(5) Adjusting the pH value to 9, and stirring uniformly;
at the moment, the pH value is adjusted to ensure that the pH value of the finished product of the laundry detergent reaches the pH range without hurting hands and clothes.
(6) Adding NaCl until the NaCl is completely dissolved;
(7) adding preservative with the dosage of 0.2%; essence with the dosage of 0.3 percent
(8) And (5) standing.
Example 3
Example 3 differs from example 2 in that the starting materials do not include opacifying agents and the amounts of the starting materials are different. The percentage ratios of the raw materials of example 3 are shown in table 2, namely, dodecylbenzene sulfonic acid 11, fatty alcohol-polyoxyethylene ether 10, polyacrylic acid sodium salt 1, potassium oleate soap 2, sodium hydroxide 1.5, ethylenediaminetetraacetic acid 0.5, sodium chloride 1.6, preservative 0.1 and essence 0.3.
The preparation method of the low-foam easy-bleaching degerming laundry detergent is similar to that of the example 1, and the laundry detergent lacks an opacifier, and is different from the laundry detergent in percentage by mass:
(1) preparing dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, polyacrylic acid sodium salt, potassium oleate soap, sodium hydroxide, ethylenediamine tetraacetic acid, sodium chloride, preservative, essence and water according to the proportion;
(2) adding water into a batching kettle, adding a chelating agent and sodium hydroxide, starting stirring, heating to 35 ℃, and adding dodecylbenzene sulfonic acid to enable the pH value to be 9;
the step ensures that the pH value ensures that the subsequent components and the laundry detergent prepared by the compatibility of the components have better defoaming effect.
(3) Adding fatty alcohol-polyoxyethylene ether, sodium polyacrylate and potassium oleate soap, and stirring for 30 minutes until the fatty alcohol-polyoxyethylene ether, the sodium polyacrylate and the potassium oleate soap are completely dissolved;
(4) adjusting the pH value to 9, and stirring uniformly;
at the moment, the pH value is adjusted to ensure that the pH value of the finished product of the laundry detergent reaches the pH range without hurting hands and clothes.
(5) Adding NaCl until the NaCl is completely dissolved;
(6) adding preservative with the dosage of 0.1%; essence with the dosage of 0.3 percent
(7) And (5) standing.
Example 4
Example 4 differs from example 3 in that the raw materials do not include preservatives and perfumes, and the raw materials of example 3 are shown in percentage in table 2, namely, dodecylbenzene sulfonic acid 14, fatty alcohol polyoxyethylene ether 5, polyacrylic acid sodium salt 2, coconut oil acid potassium salt 3, sodium hydroxide 1, ethylene diamine tetraacetic acid 0.3 and sodium chloride 1.4.
The preparation method of the low-foam easy-bleaching degerming laundry detergent comprises the following steps:
(1) preparing dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, polyacrylic acid sodium salt, potassium cocoate, sodium hydroxide, ethylenediamine tetraacetic acid, sodium chloride and water according to the proportion;
(2) adding water into a batching kettle, adding a chelating agent and sodium hydroxide, starting stirring, heating to 35 ℃, and adding dodecylbenzene sulfonic acid to enable the pH value to be 9;
the step ensures that the pH value ensures that the subsequent components and the laundry detergent prepared by the compatibility of the components have better defoaming effect.
(3) Adding fatty alcohol-polyoxyethylene ether, sodium polyacrylate and potassium cocoate, and stirring for 30 minutes until the fatty alcohol-polyoxyethylene ether, the sodium polyacrylate and the potassium cocoate are completely dissolved;
(4) adjusting the pH value to 8, and stirring uniformly;
at the moment, the pH value is adjusted to ensure that the pH value of the finished product of the laundry detergent reaches the pH range without hurting hands and clothes.
(5) Adding NaCl until the NaCl is completely dissolved;
(6) and (5) standing.
Example 5
Example 5 differs from example 4 in having all the raw materials of example 4, except the percentages, which are shown in table 2 for example 5, namely dodecylbenzene sulfonic acid 15, fatty alcohol polyoxyethylene ether 6, sodium polyacrylate 4, potassium cocoate 1, sodium hydroxide 2, ethylene diamine tetraacetic acid 0.1 and sodium chloride 1.2.
The preparation method of the low-foam easy-bleaching degerming laundry detergent comprises the following steps:
(1) preparing dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, polyacrylic acid sodium salt, potassium cocoate, sodium hydroxide, ethylenediamine tetraacetic acid, sodium chloride and water according to the proportion;
(2) adding water into a batching kettle, adding a chelating agent and sodium hydroxide, starting stirring, heating to 40 ℃, and adding dodecylbenzene sulfonic acid to ensure that the pH value is 9;
the step ensures that the pH value ensures that the subsequent components and the laundry detergent prepared by the compatibility of the components have better defoaming effect.
(3) Adding fatty alcohol-polyoxyethylene ether, sodium polyacrylate and potassium cocoate, and stirring for 30 minutes until the fatty alcohol-polyoxyethylene ether, the sodium polyacrylate and the potassium cocoate are completely dissolved;
(4) adjusting the pH value to 9, and stirring uniformly;
at the moment, the pH value is adjusted to ensure that the pH value of the finished product of the laundry detergent reaches the pH range without hurting hands and clothes.
(5) Adding NaCl until the NaCl is completely dissolved;
(6) and (5) standing.
Example 6 differs from example 5 in that without ethylenediaminetetraacetic acid, the raw material percentages of example 6 are shown in table 2, namely dodecylbenzene sulfonic acid 10, fatty alcohol polyoxyethylene ether 8, polyacrylic acid sodium salt 3, potassium cocoate 2, sodium hydroxide 1.5 and sodium chloride 1.
The preparation method of the low-foam easy-bleaching degerming laundry detergent comprises the following steps:
(1) preparing dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, polyacrylic acid sodium salt, potassium cocoate, sodium hydroxide, sodium chloride and water according to a ratio;
(2) adding water into a batching kettle, adding sodium hydroxide, starting stirring, heating to 35 ℃, and adding dodecylbenzene sulfonic acid to ensure that the pH value is 9;
the step ensures that the pH value ensures that the subsequent components and the laundry detergent prepared by the compatibility of the components have better defoaming effect.
(3) Adding fatty alcohol-polyoxyethylene ether, sodium polyacrylate and potassium cocoate, and stirring for 30 minutes until the fatty alcohol-polyoxyethylene ether, the sodium polyacrylate and the potassium cocoate are completely dissolved;
(4) adjusting the pH value to 9, and stirring uniformly;
at the moment, the pH value is adjusted to ensure that the pH value of the finished product of the laundry detergent reaches the pH range without hurting hands and clothes.
(5) Adding NaCl until the NaCl is completely dissolved;
(6) and (5) standing.
Example 7 is different from example 1 in that the raw material of example 7 does not have a polyacrylic acid sodium salt, and the raw material of example 7 has a maleic acid-acrylic acid polymer sodium salt which is the same as the aqueous high molecular polymer, and the mass percentage of the maleic acid-acrylic acid polymer sodium salt is 1. The raw materials of the laundry detergent of example 7 are shown in table 2, namely dodecylbenzene sulfonic acid 15, fatty alcohol polyoxyethylene ether 6, maleic acid-acrylic acid polymer sodium salt 1, potassium cocoate 5, sodium hydroxide 2, ethylenediaminetetraacetic acid 0.4, sodium chloride 2, sunscreen agent 0.1, preservative 1 and perfume 0.3.
The preparation method of the low-foam easy-bleaching degerming laundry detergent comprises the following steps:
(1) preparing dodecylbenzene sulfonic acid, fatty alcohol-polyoxyethylene ether, maleic acid-acrylic acid polymer sodium salt, potassium cocoate, sodium hydroxide, ethylenediamine tetraacetic acid, sodium chloride, an opacifier, a preservative, essence and water according to a ratio; wherein the water is deionized water.
(2) Adding water into a batching kettle, adding a chelating agent and sodium hydroxide, starting stirring, heating to 40 ℃, and adding dodecylbenzene sulfonic acid to ensure that the pH value is 9;
the step ensures that the pH value ensures that the subsequent components and the laundry detergent prepared by the compatibility of the components have better defoaming effect.
(3) Adding fatty alcohol-polyoxyethylene ether, maleic acid-acrylic acid polymer sodium salt and potassium cocoate, and stirring for 30 minutes until the fatty alcohol-polyoxyethylene ether, the maleic acid-acrylic acid polymer sodium salt and the potassium cocoate are completely dissolved;
(4) adding 0.3 mass percent of opacifier.
(5) Adjusting the pH value to 8, and stirring uniformly;
at the moment, the pH value is adjusted to ensure that the pH value of the finished product of the laundry detergent reaches the pH range without hurting hands and clothes.
(6) Adding NaCl until the NaCl is completely dissolved;
(7) adding preservative with the dosage of 1%; essence with the dosage of 0.3 percent
(8) Cooling to below 35 deg.C, and standing.
Example 8 is different from example 1 in that the raw material of example 8 does not contain a sodium polyacrylate salt, and the raw material of example 8 contains carboxymethyl cellulose which is the same as the aqueous high molecular polymer, and the mass percentage of the carboxymethyl cellulose is 3. The raw materials of the laundry detergent of example 8 are shown in table 2, namely dodecylbenzene sulfonic acid 12, fatty alcohol-polyoxyethylene ether 7, carboxymethyl cellulose 3, potassium cocoate 1, sodium hydroxide 1, ethylenediamine tetraacetic acid 0.2, sodium chloride 1.8, sunscreen 0.2, preservative 0.8 and essence 0.3.
The preparation method of the low-foam easy-bleaching degerming laundry detergent comprises the following steps:
(1) preparing dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, carboxymethyl cellulose, potassium cocoate, sodium hydroxide, ethylenediamine tetraacetic acid, sodium chloride, an opacifier, a preservative, essence and water according to a ratio;
(2) adding water into a batching kettle, adding a chelating agent and sodium hydroxide, starting stirring, heating to 35 ℃, and adding dodecylbenzene sulfonic acid to enable the pH value to be 9;
the step ensures that the pH value ensures that the subsequent components and the laundry detergent prepared by the compatibility of the components have better defoaming effect.
(3) Adding fatty alcohol-polyoxyethylene ether, carboxymethyl cellulose and potassium cocoate, and stirring for 30 minutes until the fatty alcohol-polyoxyethylene ether, the carboxymethyl cellulose and the potassium cocoate are completely dissolved;
(4) adding 0.3 mass percent of opacifier.
(5) Adjusting the pH value to 9, and stirring uniformly;
at the moment, the pH value is adjusted to ensure that the pH value of the finished product of the laundry detergent reaches the pH range without hurting hands and clothes.
(6) Adding NaCl until the NaCl is completely dissolved;
(7) adding preservative with the dosage of 0.8%; essence with the dosage of 0.3 percent
(8) And (5) standing.
Second, comparative example
The compositions and mass percentages of the raw materials of comparative examples 1 to 5 are shown in table 3, and the test effects of the laundry detergent prepared from the raw materials are shown in tables 4 to 9.
Table 3: the mass percentages of the raw materials of the laundry detergents of comparative examples 1 to 5
Comparative example 6 is example 1 of the patent with application number 201610144093.4 entitled low foam degerming laundry detergent, 30 parts of sodium dodecyl benzene sulfonate; 8 parts of glycerol stearate; 2 parts of sodium fatty alcohol polyoxyethylene ether sulfate; 2 parts of sodium silicate; 2 parts of biological enzyme; 2 parts of glycerol; 2 parts of sorbitol; 4 parts of sodium cumenesulfonate; 0.1 part of preservative; 4 parts of plant extract; 4 parts of coconut milk and 1 part of tea tree oil; and 20 parts of deionized water.
Comparative example 7 is example 3 of the patent with application number 200910194668.3, entitled low sudsing laundry detergent, the raw materials and quality are as follows: the raw materials account for 100 kg in total, 5.6 kg of sodium dodecyl benzene sulfonate, 8 kg of fatty alcohol-polyoxyethylene ether (3) sodium sulfate (70%), 2 kg of cocoyl diethanol amine (1: 1.5), 5 kg of fatty alcohol-polyoxyethylene ether (EO ═ 9), 1.5 kg of C12 fatty acid potassium salt, 0.04 kg of Tanjin 31# brightener, 0.2 kg of ethylene diamine tetraacetic acid sodium salt, 1 kg of sodium chloride, 0.2 kg of essence, 0.1 kg of kasong, 1 kg of SECURON 540 organic complexing agent, 0.0004 kg of pigment and the balance of water.
Adding water into a reaction kettle, adding sodium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether (3) sodium sulfate, cocoyl diethanol amine (1: 1.5), fatty alcohol-polyoxyethylene ether (EO ═ 9) and C12 fatty acid potassium salt under the condition of stirring, adding a straightening 31# whitening agent, ethylenediamine tetraacetic acid sodium salt, sodium chloride, essence, kasong, SECURON 540 organic complexing agent and pigment, and uniformly stirring and mixing.
Third, performance testing
1. Foam test
To demonstrate the low foam, easy-to-rinse effect of the laundry detergents prepared according to the present invention, foam tests were performed using the laundry detergents prepared in examples 1 to 8 and comparative examples 1 to 7, respectively. The initial foam height and the foam height after 5 minutes in mm were measured according to GB/T13173.6-91 determination of foaming power for detergents (Ross-Miles method), the results of which are shown in Table 4.
Table 4: examples foam test results
Table 5: comparative example foam test results
2. Sterilization test
Antibacterial experiments are carried out according to QB/T2738-2020 evaluation method for antibacterial and bacteriostatic effects of daily chemical products, the experimental strain is staphylococcus aureus, the dilution ratio is 1:100, and the test action time is 20 minutes.
Table 6: EXAMPLES Sterilization test results
Table 7: comparative example Sterilization test results
3. Stain removal test
The detergency of the laundry detergents of examples 1 to 8 of the present invention and comparative examples 1 to 7 was measured according to the method prescribed by QB/T1224-2007.
Table 8: EXAMPLES stain removal Effect
Table 9: comparative example stain removal Effect
From the above table information:
comparative example 1 lacks dodecylbenzene sulfonic acid and the fatty alcohol-polyoxyethylene ether is in excess, the initial foam height is, the foam height after five minutes is, the sterilization rate is, and the decontamination ratio is, which indicates that if the dodecylbenzene sulfonic acid is absent, the fatty alcohol-polyoxyethylene ether is in excess, the decontamination, defoaming and sterilization effects are not good.
Comparative example 2 lacks fatty alcohol polyoxyethylene ether, and dodecylbenzene sulfonic acid is excessive, the initial foam height is, the foam height after five minutes is, the sterilization rate is, and the decontamination ratio is, which indicates that if the fatty alcohol polyoxyethylene ether is absent, the dodecylbenzene sulfonic acid is excessive, the decontamination, defoaming and sterilization effects are not good.
Comparative example 3 lacks sodium polyacrylate, and has an excess of potassium cocoate, the initial foam height is, and after five minutes the foam height is, the sterilization rate is, and the decontamination ratio is, indicating that if the sodium polyacrylate is absent, the excess of potassium cocoate, the decontamination, defoaming and sterilization effects are not good.
Comparative example 4 lacking potassium cocoate, the sodium polyacrylate salt was in excess, the initial foam height was, the foam height after five minutes was, the sterilization rate was, and the stain removal ratio was, indicating that if potassium cocoate was absent, the sodium polyacrylate salt was in excess, the stain removal, defoaming and sterilization effects were not good.
Comparative example 5 lacks sodium hydroxide and has an initial foam height of five minutes later, a sterilizing rate of five minutes, and a stain removal ratio of five minutes, indicating that the stain removal effect would be greatly affected by the absence of sodium hydroxide.
The laundry detergent of comparative example 6 had an initial foam height, a foam height after five minutes, a sterilization rate, and a decontamination ratio. Comparative example 6 uses various material raw materials including bio-enzyme and defoaming agent, achieving the technical effect of defoaming, but in contrast, the defoaming effect of comparative example 6 is not as excellent as that of the present application.
The laundry detergent of comparative example 7 has an initial foam height of 15 mm after five minutes, a sterilization rate of 15 mm, and a cleaning ratio of 15 mm after five minutes, and the best example of comparative example 7 uses an organic complexing agent, and the formula of comparative example 7 contains a brightener, and from the aspect of detergency performance, the cleaning ratio of carbon black stained cloth is only 1.09, and protein stained cloth is not even 1, and the cleaning effect performance is poor. Meanwhile, comparative example 7, which has no dispersant, causes various soil residues on the fabric in a plurality of washings, and the harder and darker the fabric becomes as the number of washings increases. Function of whitening agent: optical brighteners are organic compounds that absorb ultraviolet light and excite a blue or violet fluorescent light, which enhances the whiteness and gloss of the material. The whitening mechanism is that substances with fluorescent whitening agents are absorbed, so that invisible ultraviolet light can be converted into visible light to be emitted, the light emissivity of an object is enhanced, and a fabric pseudo-white phenomenon is generated.
Comparative example 7 the formulation contained the phosphate component SECURON 540, which was composed of: the aqueous solution of sodium phosphate salt is a high-efficiency multipurpose chelating agent. It can complex and dissolve the precipitate formed due to the higher hardness of water. These precipitates may be adsorbed on fine feathers and twigs, resulting in the formation of off-flavors. The addition of a proper amount of SECURON 540 during rinsing is beneficial to washing away residual auxiliaries, is particularly important for down needing waterproof finishing, enables coarse molecular byproducts of protein to be easily dissolved through complexation, has synergistic effect with detergents such as FORYL FK-N during down washing, improves washing effect, and is beneficial to washing away residual auxiliaries during rinsing.
Hazard of phosphate: sodium tripolyphosphate is non-toxic and good in biodegradability, but phosphorus in the sodium tripolyphosphate is an important factor causing water eutrophication. As a large amount of phosphorus-containing and nitrogen-containing compounds flow into water bodies such as rivers and the like, the rapid growth and reproduction of algae and plankton in water are caused, and along with the clumping of the algae and the thickening of an algae layer, sunlight cannot irradiate the bottom of the algae layer, so that the bottom algae is dead and decomposed. In the decomposition process, the dissolved oxygen in the water can be consumed, the concentration of the dissolved oxygen in the water can be reduced, and certain algae can also generate toxin in the decomposition process, so that poisoning, pathological changes and death of fishes, shrimps and the like can be caused. This phenomenon is called water eutrophication.
In order to ensure the water quality of rivers and lakes, prevent pollution, maintain the ecological balance of water and prevent eutrophication, phosphorus-containing detergents are forbidden. And the foam height is reduced under the condition that no organic complexing agent is used, and the obvious effects of low foam, easiness in bleaching, sterilization and decontamination are achieved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. The low-foam easy-to-rinse sterilization laundry detergent is characterized by being prepared from the following raw materials in percentage by mass: 10% -15% of dodecyl benzene sulfonic acid; 5-10% of fatty alcohol-polyoxyethylene ether; 1-5% of water-based high molecular polymer; 1 to 5 percent of potassium soap and 1 to 2 percent of sodium hydroxide; 0.1% -0.5% of chelating agent; 1% -2% of sodium chloride; 0.1 to 1 percent of preservative; the balance being water.
2. The low-foam easy-to-rinse sterilizing laundry detergent according to claim 1, characterized in that: 11% -14% of dodecyl benzene sulfonic acid; 6-9% of fatty alcohol-polyoxyethylene ether; 2% -4% of a water-based high polymer; 2 to 4 percent of potassium soap and 1 to 2 percent of sodium hydroxide; 0.1% -0.5% of chelating agent; 1% -2% of sodium chloride; 0.1 to 1 percent of preservative; the balance being water.
3. The low-foam easy-to-rinse sterilizing laundry detergent according to claim 2, characterized in that: the water-based high molecular polymer is one or more of polyacrylic acid sodium salt, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, maleic acid-acrylic acid polymer sodium salt or maleic acid-olefin copolymer sodium salt.
4. The low-foam easy-to-rinse sterilizing laundry detergent according to claim 3, characterized in that: the water-based high molecular polymer is polyacrylic acid sodium salt.
5. The low-foam easy-to-rinse sterilizing laundry detergent according to claim 4, characterized in that: the chelating agent is one or more of sodium citrate, sodium tartrate, ethylene diamine tetraacetic acid disodium or nitrilotriacetic acid sodium salt.
6. The low-foam easy-to-rinse sterilizing laundry detergent according to claim 5, characterized in that: the sunscreen agent also comprises 0.1-0.5% of an opacifier and 0.3% of essence.
7. The method for preparing the low-foam easy-bleaching sterilization laundry detergent as claimed in any one of claims 1 to 6, which is characterized by comprising the following steps:
(1) preparing dodecyl benzene sulfonic acid, fatty alcohol-polyoxyethylene ether, aqueous high polymer, potassium soap, sodium hydroxide, chelating agent, sodium chloride, preservative and water according to the proportion;
(2) adding water into a batching kettle, adding a chelating agent and sodium hydroxide, stirring, heating to 30-40 ℃, and adding dodecyl benzene sulfonic acid prepared according to the proportion to ensure that the pH value is 8.5-9.5;
(3) adding fatty alcohol-polyoxyethylene ether, sodium polyacrylate and potassium soap, and stirring until the fatty alcohol-polyoxyethylene ether, the sodium polyacrylate and the potassium soap are completely dissolved;
(4) adjusting the pH value to 8.0-10.0, and uniformly stirring;
(5) NaCl was added until completely dissolved.
8. The preparation method of the low-foam easy-bleaching sterilization laundry detergent as claimed in claim 7, is characterized in that: in the step (2), water is softened in advance.
9. The method for preparing the low-foam easy-bleaching sterilization laundry detergent as claimed in claim 8, is characterized in that: adding opacifier with the mass fraction of 0.1-0.4% before the step (4).
10. The method for preparing the low-foam easy-bleaching sterilization laundry detergent as claimed in claim 9, is characterized in that: and (5) adding essence with the mass fraction of 0.3 percent after the step.
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