CN114891570A

CN114891570A - Mild and efficient stain remover and preparation method thereof

Info

Publication number: CN114891570A
Application number: CN202110636575.2A
Authority: CN
Inventors: 沈祎颂
Original assignee: Beijing Jiarong Cleaning Service Co ltd
Current assignee: Beijing Jiarong Cleaning Service Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-08-12
Anticipated expiration: 2041-06-08
Also published as: CN114891570B

Abstract

The invention discloses a mild and efficient stain remover, which at least comprises the following raw materials in percentage by mass: 20-30% of nonionic surfactant, 10-20% of alcohol ether, 1-2% of chelating agent, 1-2% of dispersant, 2-3% of alcohol amine, 0.2-1% of enzyme, 1-2% of dihydric alcohol, 0.1-0.5% of essence, 0.1-0.2% of preservative and the balance of deionized water. The stain remover prepared by the invention can quickly and effectively remove stains on textiles, can effectively protect the shapes of the textiles while removing stains, does not generate the phenomena of abrasion, decoloration, pilling and the like of the cleaned textiles, is suitable for popularization in the field of daily chemical articles, and has wide development prospect.

Description

Mild and efficient stain remover and preparation method thereof

Technical Field

The invention relates to the field of daily chemical articles, in particular to a mild and efficient stain remover and a preparation method thereof.

Background

With the progress of Chinese society and the development of economy, the requirements of consumers on textiles are continuously improved, and the requirements on the washing and the detergent of various fabrics are also continuously improved, so that the stain can be quickly and effectively cleaned, and the detergent or the detergent has a certain maintenance effect on the textiles.

Most of textile detergents in the prior art are soap products, which usually have excellent stain removal effect, but a large amount of residues can be caused on the surface of a fabric by rinsing the fabric for many times in the using process, and the hand feeling and the soft feeling of the fabric are influenced. Meanwhile, some substance removers in the prior art usually have strong alkalinity in order to effectively enhance the dirt-removing capacity, and after the fabrics are cleaned, the phenomena of fabric damage, breakage, decoloration and the like can be generated, so that the service life and the appearance aesthetic feeling of the fabrics are greatly influenced, and some stain removers even can generate the phenomena of pilling, abrasion and thread dropping of the fabrics.

Therefore, there is a need for a mild and efficient stain remover, which can effectively protect the fabric surface without damaging and corroding the fabric while removing fabric stains, and has excellent stain removal efficiency and range.

Disclosure of Invention

In order to solve the problems, the invention provides a mild and efficient stain remover in a first aspect, which comprises the following raw materials in percentage by mass: 20-30% of nonionic surfactant, 10-20% of alcohol ether, 1-2% of chelating agent, 1-2% of dispersant, 2-3% of alcohol amine, 0.2-1% of enzyme, 1-2% of dihydric alcohol, 0.1-0.5% of essence, 0.1-0.2% of preservative and the balance of deionized water.

As a preferable scheme, the nonionic surfactant is at least one of fatty alcohol polyoxyethylene ether, alkylphenol ethoxylate, fatty acid methyl ester polyoxyethylene ether, and alkyl glycoside.

In a preferred embodiment, the alcohol ether is at least one of diethylene glycol butyl ether, diethylene glycol methyl ether, and cyclohexanediol monomethyl ether.

As a preferred embodiment, the dispersant is polyethyleneimine ethoxylate; the chelating agent is at least one of trisodium methylglycinediacetic acid, tetrasodium ethylenediamine tetraacetate and disodium ethylenediamine tetraacetate.

In a preferred embodiment, the alcamines are at least one of diethanolamine, triethanolamine, triisopropanolamine and diethanolisopropanolamine.

In a preferred embodiment, the enzyme is at least one of lipase, cellulase, protease and amylase.

As a preferable scheme, the nonionic surfactant is polyoxyethylene lauryl ether and isomeric polyoxyethylene lauryl ether; the mass ratio of the lauryl alcohol polyoxyethylene ether to the isomeric dodecyl alcohol polyoxyethylene ether is 18-24: 3 to 5.

Preferably, the polymerization degree of the polyoxyethylene lauryl ether is 3-9.

As a preferable scheme, the mass ratio of the nonionic surfactant to the polyethyleneimine ethoxylate is 23-26: 1 to 2.

The invention provides a preparation method of the mild and high-efficiency stain remover, which comprises the following steps: (1) adding a nonionic surfactant and alcohol ether into deionized water, and stirring until the deionized water is completely dissolved; (2) respectively adding a chelating agent, a dispersing agent, an alcohol amine, dihydric alcohol, essence and a preservative in sequence, and independently stirring until the chelating agent, the dispersing agent, the alcohol amine, the dihydric alcohol, the essence and the preservative are dissolved; (3) adding citric acid to adjust the pH value to 8.5-9.5, then adding enzyme, stirring uniformly and packaging to obtain the finished product.

Has the advantages that:

1. the stain remover prepared in the application of the invention effectively improves the removing effect of the stain remover by reasonably compounding the nonionic surfactant, the enzyme and the organic alkali, can perform key removal on stains of textiles in a relatively quick time, and particularly has the best removing effect on pen marks, fruit stains and lipstick stains.

2. The stain remover prepared by the invention has good mildness and balanced alkalinity, can effectively protect the form of textiles while keeping an efficient removing effect, and does not have the phenomena of abrasion, decoloration, pilling and the like after the textiles are cleaned.

3. According to the application of the invention, through reasonable compounding of the nonionic surfactants with different polymerization degrees, the cleaning effect of the remover is effectively improved, meanwhile, a certain proper viscosity of the remover can be effectively maintained, a certain adhesion effect is maintained, meanwhile, reasonable dispersion of enzymes and the like in the remover can be ensured, and the beneficial effect is ensured.

Detailed Description

The disclosure may be understood more readily by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. 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, including definitions, will control.

When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range 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 a range of "1 to 5" is disclosed, the described range should be interpreted to include the ranges "1 to 4", "1 to 3", "1 to 2 and 4 to 5", "1 to 3 and 5", and the like. When a range of values is described herein, unless otherwise stated, the range is intended to include the endpoints thereof and all integers and fractions within the range.

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

Approximating language, as used herein throughout the specification and claims, is intended to modify a quantity, such that the invention is not limited to the specific quantity, but includes portions that are literally received for modification without substantial change in the basic function to which the invention is related. Accordingly, the use of "about" to modify a numerical value means that the invention is not limited to the precise value. In some instances, the approximating language may correspond to the precision of an instrument for measuring the value. In the present description and claims, range limitations may be combined and/or interchanged, including all sub-ranges contained therein if not otherwise stated.

In addition, the indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and the singular form of an element or component also includes the plural unless the stated number clearly indicates that the singular form is intended.

In order to solve the problems, the invention provides a mild and efficient stain remover in a first aspect, which at least comprises the following raw materials in percentage by mass: 20-30% of nonionic surfactant, 10-20% of alcohol ether, 1-2% of chelating agent, 1-2% of dispersant, 2-3% of alcohol amine, 0.2-1% of enzyme, 1-2% of dihydric alcohol, 0.1-0.5% of essence, 0.1-0.2% of preservative and the balance of deionized water.

In some preferred embodiments, the nonionic surfactant is at least one of fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acid methyl ester polyoxyethylene ether, and alkyl glycoside.

In some preferred embodiments, the alcohol ether is at least one of diethylene glycol butyl ether, diethylene glycol methyl ether, and cyclohexanediol methyl ether.

In some preferred embodiments, the alcohol ethers are diethylene glycol butyl ether and diethylene glycol methyl ether.

In some preferred embodiments, the mass ratio of diethylene glycol butyl ether to diethylene glycol methyl ether is 5: 10.

in some preferred embodiments, the dispersant is a polyethyleneimine ethoxylate; the chelating agent is at least one of trisodium methylglycinediacetic acid, tetrasodium ethylenediamine tetraacetate and disodium ethylenediamine tetraacetate.

In some preferred embodiments, the chelating agent is trisodium methylglycinediacetate.

In some preferred embodiments, the concentration of trisodium methylglycinediacetate is 47 wt%.

In some preferred embodiments, the alkanolamines are at least one of diethanolamine, triethanolamine, triisopropanolamine, diethanolisopropanolamine.

In some preferred embodiments, the alkanolamine is triethanolamine.

In some preferred embodiments, the enzyme is at least one of a lipase, a cellulase, a protease, an amylase.

In some preferred embodiments, the enzyme is cellulase and protease in a mass ratio of 1: 1.

in some preferred embodiments, the mass ratio of the enzyme to the chelating agent is 0.5-0.8: 1 to 2.

In some preferred embodiments, the mass ratio of the enzyme to the chelating agent is 0.6: 1.5.

according to the invention, the cleaning efficiency of the remover is effectively improved by reasonably compounding the enzyme and the chelating agent. The applicant speculates that: when the mass ratio of the enzyme to the chelating agent is 0.6: 1.5, cellulase and protease can act synergistically with the nonionic surfactant in the system, can exert effect on the surface of some adhesive pollutants, sufficiently reduce the surface tension of the pollutant and remover solution system, and quickly adsorb on the pollutant surface, so that the pollutants are quickly emulsified, the chelation of the chelating agent and the pollutants is accelerated, the pollutants are quickly dispersed and fall off, and especially when the mass ratio of the enzyme to the chelating agent is 0.6: 1.5, the cleaning efficiency of the remover system is optimal.

In some preferred embodiments, the nonionic surfactant is polyoxyethylene lauryl ether and polyoxyethylene isomeric lauryl ether; the mass ratio of the lauryl alcohol polyoxyethylene ether to the isomeric dodecyl alcohol polyoxyethylene ether is 18-24: 3 to 5.

In some preferred embodiments, the mass ratio of polyoxyethylene lauryl ether to polyoxyethylene isomeric decahydric ether is 21.5: 4.

in some preferred embodiments, the polyoxyethylene lauryl ether has a degree of polymerization of 3 to 9.

In some preferred embodiments, the polyoxyethylene lauryl ether is a mixture of polyoxyethylene lauryl ether having a degree of polymerization of 3 and a degree of polymerization of 9.

In some preferred embodiments, the mass ratio of the polyoxyethylene lauryl ether with the polymerization degree of 3 to the polyoxyethylene lauryl ether with the polymerization degree of 9 is 1-2: 18 to 21.

In some preferred embodiments, the mass ratio of the polyoxyethylene lauryl ether with a degree of polymerization of 3 to the polyoxyethylene lauryl ether with a degree of polymerization of 9 is 1.5: 20.

in the application of the invention, through compounding of the polyoxyethylene ether nonionic surfactants with different polymerization degrees, the problem of cleaning efficiency of the stain remover is solved, and the stability of an enzyme substance in a system can be effectively ensured. The applicant speculates that: the polyoxyethylene ether nonionic surfactant with different polymerization degrees can form a stable solvent system with moderate viscosity in a remover system, when protease and cellulase are added respectively, stable dispersion of the protease and the cellulase can be ensured, the contact frequency between the protease and the cellulase is reduced, the differentiation and degradation effects of the protease on the cellulase are obviously reduced, the cleaning effect of the remover can be effectively improved for a long time finally, and the mass ratio of lauryl alcohol polyoxyethylene ether with the polymerization degree of 3 and the polymerization degree of 9 is 1.5: 20, and the mass ratio of the polyoxyethylene lauryl ether to the isomeric polyoxyethylene lauryl ether is 21.5: 4, the viscosity and the dispersity in the remover system reach the best; meanwhile, the lauryl alcohol polyoxyethylene ether and the isomeric dodecyl alcohol polyoxyethylene ether can interact with the enzyme at the content to improve the composition structure of the enzyme, so that the enzyme has good protein elasticity and increased volume.

In some preferred embodiments, the mass ratio of the nonionic surfactant to the polyethyleneimine ethoxylate is 23-26: 1 to 2.

In some preferred embodiments, the mass ratio of the nonionic surfactant to the polyethyleneimine ethoxylate is from 25.5: 1.5.

in some preferred embodiments, the concentration of polyethyleneimine ethoxylate is 40 wt%.

According to the application of the invention, through reasonable compounding of the nonionic surfactant and the polyethyleneimine ethoxylate, the removal effect of the remover on specific stains, especially fruit stains and pigment stains, is effectively improved. The applicant speculates that: when the mass ratio of the nonionic surfactant to the polyethyleneimine ethoxylate is 25.5: 1.5, the polyethyleneimine ethoxylate has the highest reaction activity, can rapidly react with hydroxyl in cellulose in textile pollutants under the condition of low concentration and is subjected to crosslinking polymerization, so that the humidity of the polyethyleneimine ethoxylate is enhanced, the polyethyleneimine ethoxylate can be rapidly dispersed in a remover system, and the agglomeration phenomenon that the dispersed cellulose in a cleaning system is connected through a polymer chain is accelerated; and the polyethyleneimine ethoxylate also has strong blocking capability for acid pigments and can help pigment molecules to be separated from the surface of the fabric during cleaning.

In some preferred embodiments, the preservative is cason.

Examples

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

Example 1

Example 1 in a first aspect, a mild and highly effective stain remover is provided, which comprises the following raw materials by mass percent: 21.5% of lauryl alcohol polyoxyethylene ether, 4% of isomeric dodecyl alcohol polyoxyethylene ether, 5% of diethylene glycol butyl ether, 10% of dipropylene glycol methyl ether, 1.5% of trisodium methylglycinediacetate, 2.2% of triethanolamine, 1.5% of polyethyleneimine ethoxylate, 0.3% of cellulase, 0.3% of protease, 1, 2-propylene glycol, 0.2% of orange essence, 2.5% of kathon and the balance of deionized water.

In this embodiment, the polyoxyethylene lauryl ether is a mixture of polyoxyethylene lauryl ether with a polymerization degree of 3 and a polymerization degree of 9, and the mass ratio of the polyoxyethylene lauryl ether to the polyoxyethylene lauryl ether is 1.5: 20.

in the embodiment, the polyoxyethylene lauryl ether is a polyoxyethylene lauryl ether AEO-9 product and a polyoxyethylene lauryl ether AEO-3 product sold by Nanjing New Material Co.

In this example, the isomeric decyl alcohol polyoxyethylene ether is an isomeric decyl alcohol polyoxyethylene ether product sold by Nanjing New materials Co.

In this example, diethylene glycol butyl ether and dipropylene glycol methyl ether were products of diethylene glycol butyl ether and dipropylene glycol methyl ether sold by the european culvert trade company ltd.

In this example, triethanolamine is a triethanolamine product sold by the European culvert trade company Limited.

In this example, trisodium methylglycinediacetate is sold by the Oucan trade company Limited at a concentration of 47 wt%.

In this example, the polyethyleneimine ethoxylate was a 40 wt% polyethyleneimine ethoxylate product sold by the European culvert trade company Limited.

In this example, the cellulase and protease were the cellulase and protease products sold by Nanjing Chengni chemical Co., Ltd.

In this example, the kasong is a kasong preservative product sold by the bio-technology limited of junan nightshade.

In a second aspect, this embodiment provides a method for preparing the mild and highly effective stain remover, which comprises the following steps: (1) adding lauryl alcohol polyoxyethylene ether, isomeric dodecyl alcohol polyoxyethylene ether, diethylene glycol butyl ether and dipropylene glycol methyl ether into deionized water, and stirring until the lauryl alcohol polyoxyethylene ether, the isomeric dodecyl alcohol polyoxyethylene ether, the diethylene glycol butyl ether and the dipropylene glycol methyl ether are completely dissolved; (2) respectively and sequentially adding trisodium methylglycine diacetate, polyethyleneimine ethoxylate, triethanolamine, 1, 2-propylene glycol, orange essence and kasong, and independently stirring until the trisodium methylglycine diacetate, the polyethyleneimine ethoxylate, the triethanolamine, the 1, 2-propylene glycol, the orange essence and the kasong are dissolved; (3) adding citric acid to adjust pH to 9, adding cellulase and protease, stirring, and packaging.

Example 2

The embodiment of the present invention is different from embodiment 1 in that: the addition amount of cellulase and protease is 0.25%, and the addition amount of trisodium methylglycinediacetate is 2%.

Example 3

The embodiment of the present invention is different from embodiment 1 in that: the mixture of lauryl alcohol polyoxyethylene ether with the polymerization degree of 3 and the polymerization degree of 9 is prepared from the following components in a mass ratio of 2: 21.

example 4

The embodiment of the present invention is different from embodiment 1 in that: the amount of polyethyleneimine ethoxylate added was 1%.

Comparative example 1

The embodiment of this comparative example is the same as example 1 except that: the addition amount of cellulase and protease is 0.15%, and the addition amount of trisodium methylglycinediacetate is 3%.

Comparative example 2

The embodiment of this comparative example is the same as example 1 except that: the addition amount of cellulase and protease is 0.25%, and the addition amount of trisodium methylglycine diacetate is 0.5%.

Comparative example 3

The embodiment of this comparative example is the same as example 1 except that: the mixture of lauryl alcohol polyoxyethylene ether with the polymerization degree of 3 and the polymerization degree of 9 is prepared from the following components in a mass ratio of 0.5: 20.

comparative example 4

The embodiment of this comparative example is the same as example 1 except that: the mixture of lauryl alcohol polyoxyethylene ether with the polymerization degree of 3 and the polymerization degree of 9 is prepared from the following components in a mass ratio of 5: 15.

comparative example 5

The embodiment of this comparative example is the same as example 1 except that: the amount of polyethyleneimine ethoxylate added was 0.5%.

Comparative example 6

The embodiment of this comparative example is the same as example 1 except that: the amount of polyethyleneimine ethoxylate added was 4%.

Evaluation of Performance

1. Decontamination efficiency: the stain removing agents prepared in all the examples and comparative examples were subjected to a stain removal efficiency test by referring to GB/T14057.2-2011, 5 samples were tested in each example and comparative example, and the average value of the measured values was shown in Table 1.

2. Decolorization experiment: the decolorizing performance of the removing agents prepared in all the examples and the comparative examples is tested by taking the same batch of deep red curtain cloth used in the same hotel, the deep red curtain cloth is cut into samples with the concentration of 10cmx 10cm, the concentration of the removing agent is 5g/L, the samples are rinsed for 30 minutes, whether the samples have obvious decolorizing phenomenon is observed, 100 samples are tested in each example and the comparative example, the decolorizing rate is calculated, the decolorizing rate is divided by the number of the obvious decolorizing samples divided by the number of the total samples multiplied by 100%, and the result is recorded in the table 1.

3. Dispersibility of removing agent to fabric influence experiment: (1) drop test, cleaning polyacrylonitrile fiber cloth of the same batch by using the remover prepared in each embodiment and comparative example, wherein the bottom of the cleaned fiber cloth is not in contact with other objects and is in a suspended state, 10g/l of methylene blue dye solution is dropped on the fiber cloth kept in a horizontal state by using a 5cc dropper at the same position for 5 drops, and after the dropping is finished, the fiber cloth is kept in a vertical state and is dried by air; (2) and (3) judging: judging the texture state into 1-5 grades according to the change of the dye solution diffusion condition in the thickness direction and the plane direction of the fiber cloth; (3) the grade 5 is judged for the best dispersibility, the difference of the coloring degree of the dripping part and the diffusion part of the dye solution is small, and no obvious limit exists and the dye solution is uniform on the surface and the inside of the fiber cloth; if the surface and the inside of the fiber cloth are equal, the central part of the dripping is dyed into dark color, and the dye particles pass through the surface of the filter paper to the inside, so that the grade is judged to be 3; in the case of a non-dispersible dye, the dye component was located only on the surface of the dripped portion, and this was called dispersibility 1 grade, and the results of the observation are shown in Table 1.

TABLE 1

Examples	The decontamination efficiency%	Decolorization ratio%	Grade of dispersibility
				Example 1	98.1	2	5
Example 2	97.9	4	5
				Example 3	97.7	3	5
Example 4	97.8	3	5
				Comparative example 1	84.5	18	4
Comparative example 2	85.8	19	4
				Comparative example 3	81.2	17	3
Comparative example 4	86.4	15	4
				Comparative example 5	89.1	20	3
Comparative example 6	88.8	16	4

The embodiments 1 to 4, the comparative examples 1 to 6 and the table 1 show that the mild and efficient stain remover and the preparation method thereof provided by the invention have good mildness and high textile stain removal efficiency, can efficiently remove stains on textiles, can protect the appearance and color of the textiles, avoid the phenomena of yarn detachment, pilling, decoloration and the like, are suitable for popularization in the field of daily chemical products, and have wide development prospects. Wherein, the example 1 obtains the best performance index under the factors of the best raw material proportion, the best preparation process and the like.

Finally, it should be understood that the above-described embodiments are merely preferred embodiments of the present invention, and not intended to limit the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A mild and efficient stain remover is characterized in that: the raw materials at least comprise the following components in percentage by mass: 20-30% of nonionic surfactant, 10-20% of alcohol ether, 1-2% of chelating agent, 1-2% of dispersant, 2-3% of alcohol amine, 0.2-1% of enzyme, 1-2% of dihydric alcohol, 0.1-0.5% of essence, 0.1-0.2% of preservative and the balance of deionized water.

2. A mild and highly effective stain remover according to claim 1, characterized in that: the nonionic surfactant is at least one of fatty alcohol-polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty acid methyl ester polyoxyethylene ether and alkyl glycoside.

3. A mild and highly effective stain remover according to any of claims 1-2, characterized by: the alcohol ether is at least one of diethylene glycol butyl ether, diethylene glycol methyl ether and cyclohexanediol monomethyl ether.

4. A mild and highly effective stain remover according to any one of claims 1 to 3, characterized by: the dispersant is polyethyleneimine ethoxylate; the chelating agent is at least one of trisodium methylglycinediacetic acid, tetrasodium ethylenediamine tetraacetate and disodium ethylenediamine tetraacetate.

5. A mild and highly effective stain remover according to any one of claims 1-4, characterized by: the alcamines are at least one of diethanolamine, triethanolamine, triisopropanolamine and diethanolisopropanolamine.

6. A mild and highly effective stain remover according to any one of claims 1 to 5, wherein: the enzyme is at least one of lipase, cellulase, protease and amylase.

7. A mild and highly effective stain remover according to claim 1, characterized in that: the nonionic surfactant is polyoxyethylene lauryl ether and isomeric polyoxyethylene lauryl ether; the mass ratio of the lauryl alcohol polyoxyethylene ether to the isomeric dodecyl alcohol polyoxyethylene ether is 18-24: 3 to 5.

8. A mild and highly effective stain remover according to claim 7, characterized in that: the polymerization degree of the lauryl alcohol polyoxyethylene ether is 3-9.

9. A mild and highly effective stain remover according to claim 4, characterized in that: the mass ratio of the nonionic surfactant to the polyethyleneimine ethoxylate is 23-26: 1 to 2.

10. A method for preparing a mild and highly effective stain remover according to any one of claims 1 to 9, comprising the steps of: the method comprises the following steps: (1) adding a nonionic surfactant and alcohol ether into deionized water, and stirring until the deionized water is completely dissolved; (2) respectively adding a chelating agent, a dispersing agent, an alcohol amine, dihydric alcohol, essence and a preservative in sequence, and independently stirring until the chelating agent, the dispersing agent, the alcohol amine, the dihydric alcohol, the essence and the preservative are dissolved; (3) adding citric acid to adjust the pH value to 8.5-9.5, then adding enzyme, stirring uniformly and packaging to obtain the finished product.