CN113493724B

CN113493724B - Efficient decontamination laundry detergent and preparation method thereof

Info

Publication number: CN113493724B
Application number: CN202110689123.0A
Authority: CN
Inventors: 付青; 王颖; 毛勇进; 黄亿之
Original assignee: Guangdong Jingcui Biotechnology Co ltd
Current assignee: Guangdong Jingcui Biotechnology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2023-05-09
Anticipated expiration: 2041-06-22
Also published as: CN113493724A

Abstract

The invention discloses a high-efficiency decontamination laundry detergent, which comprises the following raw materials in percentage by mass: 10 to 30 percent of plant extract, 0.1 to 5 percent of inorganic salt, 0.01 to 1 percent of inorganic alkali, 0.01 to 1 percent of acrylic polymer, 0.01 to 0.1 percent of heterocyclic organic matter, 0.01 to 0.1 percent of complexing agent, 3 to 15 percent of anionic surfactant, 0.1 to 2 percent of nonionic surfactant, 1 to 5 percent of quaternary ammonium alkali and the balance of deionized water. According to the invention, the natural active ingredients in the plant extract are used for replacing the active action of the raw materials which are difficult to degrade in the common liquid laundry detergent, so that the liquid laundry detergent has high foamability, high detergency and high biodegradability, and meanwhile, the influence of the liquid laundry detergent on the environment is greatly reduced, and the environmental pollution is reduced.

Description

Efficient decontamination laundry detergent and preparation method thereof

Technical Field

The invention relates to the field of washing and caring products, in particular to a high-efficiency decontamination laundry detergent and a preparation method thereof.

Background

Washing activities have been associated with human growth for thousands of years, and recently modern washing products have also been developed for hundreds of years. Laundry washing has been a hotspot in both enthusiasm and scientific research as one of the most important activities in washing activities. In recent years, the laundry detergent is a dominant product of clothes washing because of the advantages of convenient use, high dissolution speed, low temperature requirement, high washing efficiency and the like. But at the same time, the requirements of people on life quality and good living environment are continuously improved. More and more attention is paid to the finer functions of the laundry detergent, such as sterilization, mite killing, environmental protection and the like.

In some existing technologies, in order to improve various performances of the laundry detergent, a lot of chemical reagents are usually added in the preparation process of the laundry detergent. When the chemical reagents are used, the performances of foaming, decontamination, biodegradation and the like of the liquid laundry detergent can be effectively improved; however, these additives are liable to cause damage to the environment that is difficult to eliminate in a short time, because of their environmental unfriendly and hardly degradable nature, during the sewage discharge after use of the laundry detergent.

Therefore, the development of the environment-friendly sustainable efficient decontamination laundry detergent has the advantages of high-efficiency washing and protecting effects, low consumption of nondegradable raw materials, excellent affinity to the environment and very significant work.

Disclosure of Invention

In order to solve the problems, the first aspect of the invention provides a high-efficiency decontamination laundry detergent, which comprises the following raw materials in percentage by mass: 10 to 30 percent of plant extract, 0.1 to 5 percent of inorganic salt, 0.01 to 1 percent of inorganic alkali, 0.01 to 1 percent of acrylic polymer, 0.01 to 0.1 percent of heterocyclic organic matter, 0.01 to 0.1 percent of complexing agent, 3 to 15 percent of anionic surfactant, 0.1 to 2 percent of nonionic surfactant, 1 to 5 percent of quaternary ammonium alkali and the balance of deionized water.

As a preferred embodiment, the plant extract is at least one of soapberry peel extract, gleditsia sinensis lam extract, camellia extract, kuh-seng extract and palm extract.

As a preferable mode, the inorganic salt is at least one of sodium chloride and potassium chloride.

As a preferred embodiment, the acrylic polymer is at least one of polyacrylic acid and sodium polyacrylate.

As a preferable embodiment, the number average molecular weight of the acrylic polymer is 8000 to 10000.

As a preferable embodiment, the heterocyclic organic substance is at least one of 1, 2-benzisothiazolin-3-one, 2-n-octyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, and 5-chloro-2-methyl-4-isothiazolin-3-one.

As a preferred embodiment, the nonionic surfactant is; the nonionic surfactant is at least one of cocoamide, fatty acid polyoxyethylene ether and long-chain fatty alcohol polyoxyethylene ether.

As a preferred embodiment, the quaternary ammonium base is cocamidopropyl betaine; the mass ratio of the cocamidopropyl betaine to the anionic surfactant is 3-4: 8 to 11.

As a preferable mode, the viscosity of the liquid laundry detergent is 500-1500 mPas and 25 ℃.

The second aspect of the present invention provides a method for preparing the efficient decontamination laundry detergent, comprising the steps of: (1) Deionized water, anionic surfactant, nonionic surfactant, quaternary ammonium base, complexing agent, acrylic acid polymer and plant extract are sequentially added into a mixing container and stirred until the components are completely dissolved; (2) Adding a proper amount of inorganic salt, adjusting the viscosity, and uniformly stirring; (3) And regulating the pH value by using inorganic alkali, then adding heterocyclic organic matters, and stirring completely to obtain the efficient decontamination laundry detergent.

The beneficial effects are that:

1. according to the invention, the synergistic effect of the mixing and compounding of the effective active ingredients in the plant extract and various active surfactants effectively improves the integral washing and caring performance of the liquid detergent, and the liquid detergent has good foaming and decontamination performances when in use.

2. According to the invention, the natural active ingredients in the plant extract are used for replacing the active action of the raw materials which are difficult to degrade in the common liquid laundry detergent, so that the liquid laundry detergent has high foamability, high detergency and high biodegradability, and meanwhile, the influence of the liquid laundry detergent on the environment is greatly reduced, and the environmental pollution is reduced.

Detailed Description

The contents of the present invention can be more easily understood by referring to the following detailed description of preferred embodiments of the present invention and examples included. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, definitions, will control.

When an equivalent, concentration, or other value or parameter is expressed as a range, preferred range, or a range bounded by a list of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when ranges of "1 to 5" are disclosed, the described ranges should be construed to include ranges of "1 to 4", "1 to 3", "1 to 2 and 4 to 5", "1 to 3 and 5", and the like. When a numerical range is described herein, unless otherwise indicated, the range is intended to include its endpoints and all integers and fractions within the range.

The singular forms include plural referents unless the context clearly dictates otherwise. "optional" or "any" means that the subsequently described event or event may or may not occur, and that the description includes both cases where the event occurs and cases where the event does not.

Approximating language, in the specification and claims, may be applied to modify an amount that would not limit the invention to the specific amount, but would include an acceptable portion that would be close to the amount without resulting in a change in the basic function involved. Accordingly, the modification of a numerical value with "about", "about" or the like means that the present invention is not limited to the precise numerical value. In some examples, the approximating language may correspond to the precision of an instrument for measuring the value. In the present specification and claims, the range limitations may be combined and/or interchanged, such ranges including all the sub-ranges contained therein if not expressly stated.

Furthermore, the indefinite articles "a" and "an" preceding an element or component of the invention are not limited to the requirements of the number of elements or components (i.e. the number of occurrences). Thus, the use of "a" or "an" should be interpreted as including one or at least one, and the singular reference of an element or component also includes the plural reference unless the amount is obvious to the singular reference.

In some preferred embodiments, the plant extract is at least one of soapberry peel extract, saponaria extract, camellia extract, kuh-seng extract, palm extract.

In some preferred embodiments, the plant extract is a soapberry peel extract.

In some preferred embodiments, the mass ratio of the soapberry peel extract to the quaternary ammonium base is 20-25: 3 to 4.

In some preferred embodiments, the mass ratio of soapberry peel extract to quaternary ammonium base is 23:3.

in some preferred embodiments, the inorganic salt is at least one of sodium chloride, potassium chloride.

In some preferred embodiments, the inorganic salt is sodium chloride.

In some preferred embodiments, the inorganic base is sodium hydroxide.

In some preferred embodiments, the acrylic polymer is at least one of polyacrylic acid, sodium polyacrylate.

In some preferred embodiments, the acrylic polymer has a number average molecular weight of 8000 to 10000.

In some preferred embodiments, the acrylic polymer is sodium polyacrylate.

In some preferred embodiments, the heterocyclic organic is at least one of 1, 2-benzisothiazolin-3-one, 2-n-octyl-4-isothiazolin-3-one, 2-methyl-4-isothiazolin-3-one, 5-chloro-2-methyl-4-isothiazolin-3-one.

In some preferred embodiments, the heterocyclic organic is a mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one.

In some preferred embodiments, the anionic surfactant is at least one of sodium dodecyl benzene sulfonate, sodium laureth sulfate; the nonionic surfactant is at least one of cocoamide, fatty acid polyoxyethylene ether and long-chain fatty alcohol polyoxyethylene ether.

In some preferred embodiments, the nonionic surfactant is cocoamide.

In some preferred embodiments, the anionic surfactant is sodium laureth sulfate.

In some preferred embodiments, the complexing agent is at least one of disodium EDTA, tetrasodium EDTA.

In some preferred embodiments, the mass ratio of complexing agent to acrylic polymer is 1:1.

in some preferred embodiments, the quaternary ammonium base is cocamidopropyl betaine; the mass ratio of the cocamidopropyl betaine to the anionic surfactant is 3-4: 8 to 11.

In some preferred embodiments, the cocoamidopropyl betaine, anionic surfactant and nonionic surfactant are present in a mass ratio of 3 to 4: 8-11: 2.

in some preferred embodiments, the cocoamidopropyl betaine, anionic surfactant, and nonionic surfactant are present in a mass ratio of 3:10:2.

the applicant finds that when cocamidopropyl betaine, sodium laureth sulfate and cocamide are added into the liquid laundry detergent and used simultaneously, the three can effectively form a synergistic effect, so that the overall washing activity of the liquid laundry detergent is improved, and the liquid laundry detergent has a good decontamination effect. However, it has been found that the washing effect of the laundry detergent in this system is significantly reduced due to the overall change of the acidity and alkalinity of the laundry water when washing the laundry detergent which is easy to fade, and the applicant has further found that when the weight ratio of the three is 3:10:2, still can show good washing effect. The applicant speculates that: when weak alkaline washing water is gradually changed into weak acidity due to the removal of acid pigment on some clothes, the cocoamidopropyl betaine at the moment easily presents cationic property under the weak acidic condition, so that the electric neutralization phenomenon is easily generated with sodium laureth sulfate, and a small amount of added cocoamidocan be used as a nonionic surfactant to effectively wrap the cocoamidopropyl betaine independently, so that the electric neutralization phenomenon is avoided, the overall stability of a laundry detergent system is enhanced, and the cations of the cocoamidopropyl betaine at the moment can be adsorbed on the surface of the clothes, so that the trace charge on the surface of the clothes is effectively increased.

In some preferred embodiments, the viscosity of the laundry detergent is 500 to 1500 mPa-s at 25 ℃.

In some preferred embodiments, the pH of the laundry detergent is from 7 to 9.

Examples

The following describes the technical solution of the present invention in detail by examples, but the scope of protection of the present invention is not limited to all the examples described. The raw materials of the present invention are all commercially available unless otherwise specified.

Example 1

Embodiment 1 provides a high-efficiency decontamination laundry detergent in a first aspect, which comprises the following raw materials in percentage by mass: 23% of soapberry peel extract, 2% of sodium chloride, 0.3% of sodium hydroxide, 0.5% of sodium polyacrylate, 0.05% of heterocyclic organic matters, 0.05% of EDTA disodium, 10% of laureth sulfate sodium, 2% of cocamide DEA, 3% of cocamidopropyl betaine and the balance of deionized water.

In this example, sodium laureth sulfate is a product of sodium laureth sulfate having a viscosity of 100 MP.s, 25℃and a relative density of 1.05 grade, manufactured and sold by Wuhan Kano technology Co.

In this example, the heterocyclic organic compound was a kathon product of ZB101 sold by north chemical industry limited in shandong.

In this example, the soapberry peel extract is a soapberry peel extract product sold by Guangdong Cyanine Biotechnology Co.

In this example, the sodium polyacrylate is a food grade sodium polyacrylate product sold by Jiangsu Aofu Biotech Co., ltd, having a number average molecular weight of 10000.

In this example, the viscosity of the liquid laundry detergent was 1000 mPas, 25 ℃.

In this example, the pH of the liquid laundry detergent is 8.

The second aspect of the present embodiment provides a method for preparing the efficient decontamination laundry detergent, comprising the steps of: (1) Adding deionized water, sodium laureth sulfate, cocamide DEA, cocamidopropyl betaine, disodium EDTA, sodium polyacrylate and soapberry peel extract into a mixing container in sequence, and stirring until completely dissolved; (2) adding sodium chloride, regulating viscosity, and uniformly stirring; (3) And regulating the pH value by using sodium hydroxide, then adding heterocyclic organic matters, and stirring completely to obtain the efficient decontamination laundry detergent.

Example 2

The specific implementation of this example is the same as example 1, except that: 21% of soapberry peel extract.

Example 3

The specific implementation of this example is the same as example 1, except that: cocoamidopropyl betaine was 4%.

Comparative example 1

The specific embodiment of this comparative example is the same as example 1, except that: the soapberry peel extract is 15%.

Comparative example 2

The specific embodiment of this comparative example is the same as example 1, except that: cocamidopropyl betaine 5% and cocamidopropyl DEA 1%.

Comparative example 3

The specific embodiment of this comparative example is the same as example 1, except that: disodium EDTA was 0.3%.

Evaluation of Performance

Stability test: the laundry detergent prepared in all examples and comparative examples was prepared under 4 conditions: (1) 50 ℃, (2) 40 ℃, (3) room temperature, (4) -4 ℃ and each condition is placed for one week to examine the stability of the formula system, whether obvious layering and surface impurity phenomena exist after one week are observed, 50 samples are tested in each comparative example, less than 5 samples are failed and recorded as grade A, 5 or more are less than 10 are grade B, 10 or more are grade C, and the observation results are recorded in table 1. Detergency test: the anti-soil ability of the laundry detergent prepared in all examples and comparative examples, each of which tested 5 samples, was tested by the method of reference QB/T1224-2012, and the average of the measured values is reported in Table 2.

Degradation rate test: the laundry detergent prepared in example 1 and a control test (linear sodium dodecylbenzenesulfonate, linear polyoxyethylene dodecylether) were subjected to degradation rate test, and the test results are reported in table 3.

TABLE 1

Examples	50℃	40℃	Room temperature	-4℃
					Example 1	A	A	A	A
Example 2	A	A	A	A
					Example 3	A	A	A	A
Comparative example 1	B	B	B	B
					Comparative example 2	C	B	B	B
Comparative example 3	C	C	B	B

TABLE 2

Examples	Decontamination ratio (carbon black)	Decontamination ratio (protein)	Decontamination ratio (sebum)
				Example 1	1.35	1.32	1.30
Example 2	1.35	1.30	1.25
				Example 3	1.32	1.28	1.25
Comparative example 1	0.98	0.96	0.94
				Comparative example 2	1.10	1.08	1.03
Comparative example 3	1.05	0.98	0.95

TABLE 3 Table 3

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It can be known from examples 1 to 3, comparative examples 1 to 3 and tables 1,2 and 3 that the efficient decontamination laundry detergent provided by the invention has good decontamination effect and stability, effectively reduces the environmental pollution effect of the detergent, is suitable for popularization in the field of washing products, and has wide development prospect. Wherein example 1 obtained the best performance index with the best raw material ratio and preparation process.

Finally, it should be understood that the foregoing embodiments are merely preferred embodiments of the present invention, and are not intended to limit the invention, but are intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. A high-efficiency decontamination laundry detergent is characterized in that: the raw materials comprise the following components in percentage by mass: 21-23% of soapberry peel extract, 2% of sodium chloride, 0.3% of sodium hydroxide, 0.5% of sodium polyacrylate, 0.05% of heterocyclic organic matters, 0.05% of EDTA disodium, 10% of laureth sulfate sodium, 2% of cocamide DEA, 3-4% of cocamidopropyl betaine and the balance of deionized water;

the number average molecular weight of the sodium polyacrylate is 10000;

the viscosity of the liquid laundry detergent is 1000 mPas and 25 ℃;

the pH value of the liquid laundry detergent is 8;

the heterocyclic organic matter is ZB101 type kathon product;

the preparation method of the efficient decontamination laundry detergent comprises the following steps: (1) Adding deionized water, sodium laureth sulfate, cocamide DEA, cocamidopropyl betaine, disodium EDTA, sodium polyacrylate and soapberry peel extract into a mixing container in sequence, and stirring until completely dissolved; (2) adding sodium chloride, regulating viscosity, and uniformly stirring; (3) And regulating the pH value by using sodium hydroxide, then adding heterocyclic organic matters, and stirring completely to obtain the efficient decontamination laundry detergent.