CN110724608B - Neutral concentrated laundry detergent and preparation method thereof - Google Patents

Abstract

The invention provides a neutral concentrated laundry detergent which is prepared from the following components in parts by weight: 50-65 parts of deionized water; 8-22 parts of ethoxylated alkyl sodium sulfate AES; fatty alcohol-polyoxyethylene ether AEO 79-12 parts; 4-8 parts of sodium dodecyl benzene sulfonate LAS; 4-6 parts of propylene glycol; 2-3 parts of lauramidopropyl betaine CAB; 1.4-2.7 parts of sodium hydroxide; 1-2 parts of lauric acid; 1-2 parts of oleic acid; 0.5-1 part of potassium hydroxide; 0.2-0.5 part of essence; 0.2-0.4 part of glutamic diacetic acid tetrasodium GLDA; 0.1-0.2 part of protease; 0.05-0.1 part of kasong; 0.05-0.2 part of dye; 0.5-1 part of compound germanium trametes extract. The invention also provides a preparation method of the neutral concentrated laundry detergent. The neutral concentrated laundry detergent provided by the invention does not hurt hands and clothes, and has better decontamination, antibiosis and softening performances.

Description

Neutral concentrated laundry detergent and preparation method thereof

Technical Field

The invention relates to a laundry detergent, in particular to a neutral concentrated laundry detergent and a preparation method thereof.

Background

The detergent is one of the necessities of daily life, is used as a laundry detergent, has the advantages of convenient use, quick dissolution, good low-temperature washing effect, mildness to fabrics and skin and the like, keeps strong growth in recent years, and rapidly increases the market yield, thereby becoming the main direction of detergent development. The concentrated laundry detergent has the advantages of high active matter content, strong detergency, low production cost, less carbon emission, packaging material saving, transportation cost reduction and the like on the basis of the advantages of common laundry detergents. The active matter content of the concentrated laundry detergent is 30-60%, and corresponding effects can be achieved only by adding 1/3-1/2 of the common laundry detergent when the concentrated laundry detergent is used, so that the concentrated laundry detergent is energy-saving and environment-friendly, and the production, transportation and packaging costs can be greatly reduced.

Patent application No. CN201310618928.1 discloses "a super concentrated laundry detergent" in which the components are by weight; 6 parts of fatty acid, 15 parts of C9-C15 linear alkyl benzene sodium sulfonate, 15 parts of C10-C16 fatty alcohol polyoxyethylene ether sodium sulfate (70%), 18 parts of C12-C14 fatty alcohol polyoxyethylene ether, 10 parts of C8-C14 alkyl glycoside (50%), 1 part of sodium hydroxide, 5 parts of auxiliary agent and 25 parts of softened water. The patent has the problems that the laundry detergent is alkaline, hurts hands and damages clothes, and has poor antibacterial and softening performances.

Disclosure of Invention

The invention aims to provide a neutral concentrated laundry detergent which does not hurt hands and clothes and has better decontamination, antibiosis and softening performances.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a neutral concentrated laundry detergent is prepared from the following components in parts by weight: 50-65 parts of deionized water; 8-22 parts of ethoxylated alkyl sodium sulfate AES; fatty alcohol-polyoxyethylene ether AEO 79-12 parts; 4-8 parts of sodium dodecyl benzene sulfonate LAS; 4-6 parts of propylene glycol; 2-3 parts of lauramidopropyl betaine CAB; 1.4-2.7 parts of sodium hydroxide; 1-2 parts of lauric acid; 1-2 parts of oleic acid; 0.5-1 part of potassium hydroxide; 0.2-0.5 part of essence; 0.2-0.4 part of glutamic diacetic acid tetrasodium GLDA; 0.1-0.2 part of protease; 0.05-0.1 part of kasong; 0.05-0.2 part of dye; 0.5-1 part of compound germanium trametes extract.

Further, the invention is prepared from the following components in parts by weight: 60 parts of deionized water; 20 parts of ethoxylated sodium alkyl sulfate AES; fatty alcohol-polyoxyethylene ether AEO 710 parts; 6 parts of sodium dodecyl benzene sulfonate LAS; 5 parts of propylene glycol; 2.5 parts of lauramidopropyl betaine CAB; 2 parts of sodium hydroxide; 1.5 parts of lauric acid; 1.5 parts of oleic acid; 0.6 part of potassium hydroxide; 0.4 part of essence; 0.3 part of glutamic diacetic acid tetrasodium GLDA; 0.15 part of protease; 0.08 part of kasong; 0.17 part of dye; 0.7 part of compound germanium trametes extract.

Further, the compound germanium trametes extract is prepared by the following steps:

s1, drying sporocarp of the germanium tramete in the sun, crushing, sieving with a 50-mesh sieve to obtain germanium tramete powder, adding the germanium tramete powder into a mixed solution of an isopropanol water solution and a sodium sulfate water solution, stirring for 10 minutes, heating to 40 ℃, performing ultrasonic extraction for 35 minutes to obtain an extracting solution, standing the extracting solution for 1 hour at room temperature, performing centrifugal separation to obtain a supernatant, and performing freeze drying on the supernatant to obtain a germanium tramete extract;

s2, adding the phellinus igniarius extract into acetic acid, stirring until the mixture is uniformly mixed to obtain a phellinus igniarius extract solution, mixing the phellinus igniarius extract solution and tween 60, heating to 55 ℃, stirring for 1 hour to obtain emulsion, adding glutaraldehyde into the emulsion, adjusting the pH value to 9-10, heating to 65 ℃, reacting for 6 hours to obtain reaction liquid, filtering the reaction liquid to obtain a filter cake, and drying the filter cake to obtain the compound phellinus igniarius extract.

Further, in the step S1, the volume fraction of the isopropanol aqueous solution is 80%, the concentration of the sodium sulfate aqueous solution is 0.1g/mL, the mass ratio of the germanium streptothrix powder to the isopropanol aqueous solution to the sodium sulfate aqueous solution is 1:10:12, and the ultrasonic power during ultrasonic extraction is 210W.

Further, in step S2 of the present invention, the mass concentration of the ge pin fungus extract solution is 2%, and the volume ratio of the ge pin fungus extract solution, tween 60 and glutaraldehyde is 25:90: 4.

The invention also provides a preparation method of the neutral concentrated laundry detergent.

In order to solve the technical problems, the technical scheme is as follows:

a preparation method of a neutral concentrated laundry detergent comprises the following steps:

s3, adding ethoxylated alkyl sodium sulfate AES into deionized water, and uniformly stirring to obtain a first mixed solution;

s4, adding sodium dodecyl benzene sulfonate LAS and sodium hydroxide into the mixed solution I, and stirring until neutralization reaction is completed to obtain a mixed solution II;

s5, adding propylene glycol, fatty alcohol-polyoxyethylene ether AEO7 and lauramidopropyl betaine CAB into the mixed solution II, and uniformly stirring to obtain a mixed solution III;

s6, sequentially adding lauric acid, oleic acid and potassium hydroxide into the mixed solution III, and stirring until a neutralization reaction is completed to obtain a mixed solution IV;

s7, after the temperature is restored to the room temperature, sequentially adding essence, glutamic acid diacetic acid tetrasodium GLDA, protease, kasons, dye and a compound Geobacillus gerbera extract into the mixed solution IV, and uniformly stirring to obtain the neutral concentrated laundry detergent.

Compared with the prior art, the invention has the following beneficial effects:

(1) through the mutual matching of the components and the proportion of the components, the concentrated laundry detergent disclosed by the invention is neutral, has mild pH value to the hand skin, does not corrode fibers on the surface of clothes, and is suitable for washing by a hand washing machine.

(2) According to the invention, the composite surface active system is formed by the ethoxylated alkyl sodium sulfate, the fatty alcohol-polyoxyethylene ether, the sodium dodecyl benzene sulfonate and the laurylamidopropyl betaine, the foam is fine and rich, various types of stains such as dust, oil dirt and the like can be effectively removed, and meanwhile, the protease can specifically and efficiently remove protein stains, so that the detergent has better decontamination performance.

(3) The amphoteric surfactant laurylamidopropyl betaine used in the invention can avoid antagonism with an anionic surfactant, and effectively soften the fabric, so that the fabric has better softening performance; the cason is a broad-spectrum strong sterilization disinfectant, so that the invention has better antibacterial performance.

(4) According to the invention, the phellinus igniarius is extracted by an ultrasonic extraction method by taking isopropanol and sodium sulfate as extraction solvents to obtain the phellinus igniarius extract, the extract has good antibacterial and softening properties, but the dispersibility is not good when the extract is directly added, so that the compound phellinus igniarius extract is prepared by reacting the phellinus igniarius with glutaraldehyde, the dispersibility is improved, and the antibacterial and softening properties of the neutral concentrated laundry detergent are further improved.

Detailed Description

The present invention will be described in detail with reference to specific embodiments, and the exemplary embodiments and descriptions thereof herein are provided to explain the present invention but not to limit the present invention.

Example 1

The neutral concentrated laundry detergent is prepared from the following components in parts by weight: 60 parts of deionized water; 20 parts of ethoxylated sodium alkyl sulfate AES; fatty alcohol-polyoxyethylene ether AEO 710 parts; 6 parts of sodium dodecyl benzene sulfonate LAS; 5 parts of propylene glycol; 2.5 parts of lauramidopropyl betaine CAB; 2 parts of sodium hydroxide; 1.5 parts of lauric acid; 1.5 parts of oleic acid; 0.6 part of potassium hydroxide; 0.4 part of essence; 0.3 part of glutamic diacetic acid tetrasodium GLDA; 0.15 part of protease; 0.08 part of kasong; 0.17 part of dye; 0.7 part of compound germanium trametes extract.

The compound germanium trametes extract is prepared by the following steps:

s1, drying sporocarp of the germanium trametes, crushing, sieving with a 50-mesh sieve to obtain germanium trametes powder, adding the germanium trametes powder into a mixed solution of an isopropanol aqueous solution with the volume fraction of 80% and a sodium sulfate aqueous solution with the concentration of 0.1g/mL, wherein the mass ratio of the germanium trametes powder to the isopropanol aqueous solution to the sodium sulfate aqueous solution is 1:10:12, stirring for 10 minutes, heating to 40 ℃, ultrasonically extracting for 35 minutes under the condition that the ultrasonic power is 210W to obtain an extracting solution, standing the extracting solution for 1 hour at room temperature, centrifuging to obtain a supernatant, and freeze-drying the supernatant to obtain a germanium trametes extract;

s2, adding the latanoria germanica extract into acetic acid, stirring until the mixture is uniformly mixed to obtain a latanoria germanica extract solution with the mass concentration of 2%, mixing the latanoria germanica extract solution and tween 60, heating to 55 ℃, stirring for 1 hour to obtain emulsion, adding glutaraldehyde into the emulsion, adjusting the volume ratio of the latanoria germanica extract solution, tween 60 and glutaraldehyde to be 25:90:4, adjusting the pH value to be 9-10, heating to 65 ℃, reacting for 6 hours to obtain reaction liquid, filtering the reaction liquid to obtain filter cake, and drying the filter cake to obtain the composite latanoria germanica extract.

The preparation method of this embodiment comprises the following steps:

s3, adding ethoxylated alkyl sodium sulfate AES into deionized water, and uniformly stirring to obtain a first mixed solution;

s4, adding sodium dodecyl benzene sulfonate LAS and sodium hydroxide into the mixed solution I, and stirring until neutralization reaction is completed to obtain a mixed solution II;

s5, adding propylene glycol, fatty alcohol-polyoxyethylene ether AEO7 and lauramidopropyl betaine CAB into the mixed solution II, and uniformly stirring to obtain a mixed solution III;

s6, sequentially adding lauric acid, oleic acid and potassium hydroxide into the mixed solution III, and stirring until a neutralization reaction is completed to obtain a mixed solution IV;

s7, after the temperature is restored to the room temperature, sequentially adding essence, glutamic acid diacetic acid tetrasodium GLDA, protease, kasons, dye and a compound Geobacillus gerbera extract into the mixed solution IV, and uniformly stirring to obtain the neutral concentrated laundry detergent.

Example 2

The neutral concentrated laundry detergent is prepared from the following components in parts by weight: 65 parts of deionized water; 8 parts of ethoxylated sodium alkyl sulfate AES; fatty alcohol-polyoxyethylene ether AEO 711 parts; 5 parts of sodium dodecyl benzene sulfonate LAS; 4 parts of propylene glycol; 3 parts of laurylamidopropyl betaine CAB; 1.4 parts of sodium hydroxide; 2 parts of lauric acid; 1.8 parts of oleic acid; 1 part of potassium hydroxide; 0.5 part of essence; 0.2 part of glutamic diacetic acid tetrasodium GLDA; 0.1 part of protease; 0.06 part of kasong; 0.15 part of dye; 0.8 part of compound germanium trametes extract.

The preparation steps of the composite Geotrichum germanum extract and the preparation method of this example are the same as example 1.

Example 3

The neutral concentrated laundry detergent is prepared from the following components in parts by weight: 50 parts of deionized water; 22 parts of ethoxylated sodium alkyl sulfate AES; fatty alcohol-polyoxyethylene ether AEO 79 parts; 8 parts of sodium dodecyl benzene sulfonate LAS; 4.5 parts of propylene glycol; 2.7 parts of lauramidopropyl betaine CAB; 2.5 parts of sodium hydroxide; 1.4 parts of lauric acid; 1 part of oleic acid; 0.7 part of potassium hydroxide; 0.2 part of essence; 0.4 part of glutamic diacetic acid tetrasodium GLDA; 0.2 part of protease; 0.05 part of kasong; 0.2 part of dye; 0.5 part of compound germanium trametes extract.

The preparation steps of the composite Geotrichum germanum extract and the preparation method of this example are the same as example 1.

Example 4

The neutral concentrated laundry detergent is prepared from the following components in parts by weight: 55 parts of deionized water; 20 parts of ethoxylated sodium alkyl sulfate AES; fatty alcohol-polyoxyethylene ether AEO 712 parts; 4 parts of sodium dodecyl benzene sulfonate LAS; 6 parts of propylene glycol; 2 parts of laurylamidopropyl betaine CAB; 2.7 parts of sodium hydroxide; 1 part of lauric acid; 2 parts of oleic acid; 0.5 part of potassium hydroxide; 0.3 part of essence; 0.3 part of glutamic diacetic acid tetrasodium GLDA; 0.18 part of protease; 0.1 part of kasong; 0.05 part of dye; and 1 part of compound germanium trametes extract.

The preparation steps of the composite Geotrichum germanum extract and the preparation method of this example are the same as example 1.

Reference example 1

In contrast to example 1, lauramidopropyl betaine CAB was not included in the composition.

Reference example 2

Unlike example 1, the composition did not include cason.

Reference example 3

Unlike example 1, no protease was included in the composition.

Reference example 4

Different from the example 1, the composite Geotrichum gerum extract is not included in the components.

Reference example 5

Different from the example 1, the composite Geotrichum germanicum extract in the components is replaced by the Geotrichum germanicum extract, and the preparation step S2 of the composite Geotrichum germanicum extract is omitted.

Comparative example

Example 1 of chinese patent application No. CN 201310618928.1.

The first experimental example: pH value test

The pH values of examples 1 to 4, reference examples 1 to 5 and comparative example 1 were measured at 25 ℃ respectively. The test results are shown in table 1:

TABLE 1

As can be seen from Table 1, the pH values of the inventive examples 1-4 are all significantly lower than those of the comparative examples, are neutral, are mild to the pH of the hand skin, and do not corrode fibers on the surface of the clothes.

Experiment example two: stain removal Performance test

The carbon black stain removal value, the protein stain removal value and the oil stain removal value of the carbon black stain cloth, the protein stain removal value and the oil stain removal value of the examples 1-4, the reference examples 1-5 and the comparative example 1 are respectively measured by reference to GB/T13174-2008, and the larger the numerical value is, the better the stain removal performance is. The test results are shown in table 2:

	carbon black dirt cloth decontamination value	Stain removal value of protein stain cloth	Stain removal value of oil stain cloth
				Example 1	15.46	5.76	16.14
Example 2	15.17	5.59	15.90
				Example 3	15.29	5.82	16.02
Example 4	15.34	5.79	16.09
				Reference example 1	13.13	5.70	13.68
Reference example 2	15.44	5.75	16.13
				Reference example 3	15.45	1.33	16.10
Reference example 4	15.43	5.73	16.12
				Reference example 5	15.42	5.74	16.11
Comparative example	10.58	0.89	9.37

TABLE 2

As can be seen from Table 2, the carbon black stain cloth stain removal value, the protein stain cloth stain removal value and the oil stain cloth stain removal value of the invention in the examples 1-4 are all obviously greater than those of the comparative examples, which shows that the invention has better stain removal performance. The components of reference examples 1-5 are different from those of example 1, wherein the stain removal value of the carbon black stained cloth and the stain removal value of the oil stained cloth of reference example 1 are both reduced, which shows that the lauramidopropyl betaine can effectively improve the stain removal performance of the laundry detergent on dust and oil stains, and the stain removal value of the protein stained cloth of reference example 3 is greatly reduced, which shows that the protease is the key for efficiently removing protein stains from the laundry detergent.

Experiment example three: test of antibacterial Property

The antibacterial rates of examples 1 to 4, reference examples 1 to 5 and comparative examples on staphylococcus aureus and escherichia coli were measured respectively, the higher the antibacterial rate is, the better the antibacterial performance is, and the test results are shown in table 3:

TABLE 3

As can be seen from Table 3, the antibacterial rates of Staphylococcus aureus and Escherichia coli in examples 1-4 of the present invention are significantly higher than those of the comparative examples, indicating that the present invention has better antibacterial properties. The components of reference examples 1-5 are different from those of example 1, wherein the antibacterial rates of staphylococcus aureus and escherichia coli of reference examples 2 and 4 are reduced a lot, which shows that the antibacterial performance of the laundry detergent can be improved by both the kasong and the compound germanium-containing macroporous bacteria extract; the reduction range of the antibacterial rate of staphylococcus aureus and the antibacterial rate of escherichia coli of reference example 5 is smaller than that of reference example 4, and the reaction and the compounding with glutaraldehyde can effectively improve the dispersibility of the germanium-containing phellinus igniarius extract.

Experimental example four: compliance Performance test

The test method comprises the following steps: selecting an all-cotton towel as a test base material, putting the all-cotton towel into a Siemens roller washing machine, adding a liquid detergent according to the ratio of 2g (liquid detergent)/L (water consumption), starting a standard washing mode, circularly washing for 5 times at 30 ℃, and then hanging and drying at normal temperature. The flexibility of the towels washed by the examples 1-4, the reference examples 1-5 and the comparative examples is scored by 20 persons, the scoring is performed by 5 points of full scale, 5 points of most flexible and 1 point of most hard and coarse, the total scoring of the flexibility is obtained by adding the scores of the 20 persons, and the higher the total scoring of the flexibility is, the better the flexibility is. The test results are shown in table 4:

	compliance Total score
		Example 1	94
Example 2	96
		Example 3	92
Example 4	93
		Reference example 1	76
Reference example 2	93
		Reference example 3	94
Reference example 4	78
		Reference example 5	83
Comparative example	28

TABLE 4

As can be seen from Table 4, the total compliance scores of examples 1-4 of the present invention are all significantly higher than the comparative examples, indicating that the present invention has better compliance performance. The components of reference examples 1-5 are different from those of example 1, wherein the total softness scores of reference example 1 and reference example 4 are reduced a lot, which shows that the laurylamidopropyl betaine and the compound Geotrichum germchit extract can improve the softness of the laundry detergent; the descending amplitude of the flexibility total score of the reference example 5 is less than that of the reference example 4, and the reaction and compounding with glutaraldehyde can effectively improve the dispersity of the phellinus igniarius extract.

The above-described embodiments are merely illustrative of the principles and capabilities of the present invention and are not intended to be limiting. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (5)

1. A neutral concentrated laundry detergent is characterized in that: the composition is prepared from the following components in parts by weight: 50-65 parts of deionized water; 8-22 parts of ethoxylated alkyl sodium sulfate; 9-12 parts of fatty alcohol polyoxyethylene (7) ether; 4-8 parts of sodium dodecyl benzene sulfonate; 4-6 parts of propylene glycol; 2-3 parts of laurylamidopropyl betaine; 1.4-2.7 parts of sodium hydroxide; 1-2 parts of lauric acid; 1-2 parts of oleic acid; 0.5-1 part of potassium hydroxide; 0.2-0.5 part of essence; 0.2-0.4 part of tetrasodium glutamate diacetate; 0.1-0.2 part of protease; 0.05-0.1 part of kasong; 0.05-0.2 part of dye; 0.5-1 part of compound germanium trametes extract; the compound Geotrichum germanicum extract is prepared by the following steps:

s1, drying sporocarp of the germanium tramete in the sun, crushing, sieving with a 50-mesh sieve to obtain germanium tramete powder, adding the germanium tramete powder into a mixed solution of an isopropanol water solution and a sodium sulfate water solution, stirring for 10 minutes, heating to 40 ℃, performing ultrasonic extraction for 35 minutes to obtain an extracting solution, standing the extracting solution for 1 hour at room temperature, performing centrifugal separation to obtain a supernatant, and performing freeze drying on the supernatant to obtain a germanium tramete extract;

s2, adding the phellinus igniarius extract into acetic acid, stirring until the mixture is uniformly mixed to obtain a phellinus igniarius extract solution, mixing the phellinus igniarius extract solution and tween 60, heating to 55 ℃, stirring for 1 hour to obtain emulsion, adding glutaraldehyde into the emulsion, adjusting the pH value to 9-10, heating to 65 ℃, reacting for 6 hours to obtain reaction liquid, filtering the reaction liquid to obtain a filter cake, and drying the filter cake to obtain the compound phellinus igniarius extract.

2. A neutral concentrated laundry detergent according to claim 1, characterized in that: the composition is prepared from the following components in parts by weight: 60 parts of deionized water; 20 parts of ethoxylated sodium alkyl sulfate; 10 parts of fatty alcohol polyoxyethylene (7) ether; 6 parts of sodium dodecyl benzene sulfonate; 5 parts of propylene glycol; 2.5 parts of lauramidopropyl betaine; 2 parts of sodium hydroxide; 1.5 parts of lauric acid; 1.5 parts of oleic acid; 0.6 part of potassium hydroxide; 0.4 part of essence; 0.3 part of tetrasodium glutamate diacetate; 0.15 part of protease; 0.08 part of kasong; 0.17 part of dye; 0.7 part of compound germanium trametes extract.

3. A neutral concentrated laundry detergent according to claim 1, characterized in that: in the step S1, the volume fraction of the isopropanol aqueous solution is 80%, the concentration of the sodium sulfate aqueous solution is 0.1g/mL, the mass ratio of the germanium streptothrix powder to the isopropanol aqueous solution to the sodium sulfate aqueous solution is 1:10:12, and the ultrasonic power during ultrasonic extraction is 210W.

4. A neutral concentrated laundry detergent according to claim 1, characterized in that: in the step S2, the mass concentration of the geotrichum germanicum extract solution is 2%, and the volume ratio of the geotrichum germanicum extract solution to the tween 60 to the glutaraldehyde is 25:90: 4.

5. The method of any one of claims 1-4, wherein the concentrated neutral laundry detergent composition comprises: the method comprises the following steps:

s3, adding ethoxylated alkyl sodium sulfate into deionized water, and uniformly stirring to obtain a mixed solution I;

s4, adding sodium dodecyl benzene sulfonate and sodium hydroxide into the mixed solution I, and stirring until a neutralization reaction is completed to obtain a mixed solution II;

s5, adding propylene glycol, fatty alcohol polyoxyethylene (7) ether and lauramidopropyl betaine into the mixed solution II, and uniformly stirring to obtain a mixed solution III;

s6, sequentially adding lauric acid, oleic acid and potassium hydroxide into the mixed solution III, and stirring until a neutralization reaction is completed to obtain a mixed solution IV;

s7, after the temperature is restored to the room temperature, sequentially adding essence, tetrasodium glutamate diacetate, protease, kasons, dye and a composite Geobacillus gerbera extract into the mixed solution IV, and uniformly stirring to obtain the neutral concentrated laundry detergent.