CN116240079A - Compound preservative for washing and preparation method and application thereof - Google Patents

Compound preservative for washing and preparation method and application thereof Download PDF

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Publication number
CN116240079A
CN116240079A CN202310211458.0A CN202310211458A CN116240079A CN 116240079 A CN116240079 A CN 116240079A CN 202310211458 A CN202310211458 A CN 202310211458A CN 116240079 A CN116240079 A CN 116240079A
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China
Prior art keywords
component
preservative
sodium
washing
components
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CN202310211458.0A
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Inventor
张�浩
张守义
胡少华
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Shaanxi China Resources Industrial Co ltd
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Shaanxi China Resources Industrial Co ltd
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Priority to CN202310211458.0A priority Critical patent/CN116240079A/en
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    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/20Organic compounds containing oxygen
    • C11D3/2003Alcohols; Phenols
    • C11D3/2041Dihydric alcohols
    • C11D3/2044Dihydric alcohols linear
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/20Organic compounds containing oxygen
    • C11D3/2075Carboxylic acids-salts thereof
    • C11D3/2079Monocarboxylic acids-salts thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/20Organic compounds containing oxygen
    • C11D3/2075Carboxylic acids-salts thereof
    • C11D3/2086Hydroxy carboxylic acids-salts thereof
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16Organic compounds
    • C11D3/34Organic compounds containing sulfur
    • C11D3/349Organic compounds containing sulfur additionally containing nitrogen atoms, e.g. nitro, nitroso, amino, imino, nitrilo, nitrile groups containing compounds or their derivatives or thio urea
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a compound preservative for washing, a preparation method and application thereof, and the compound preservative comprises the following components: and a component a: methyl isothiazolinone, b component: sodium benzoate, potassium sorbate, sodium salicylate, sodium dehydroacetate, sodium formate, sodium propionate optionally one or more of them, component c: at least one or more of deionized water, ethylene glycol and propylene glycol; the compound preservative for washing can be prepared by stirring the components until the components are completely dissolved. The compound preservative for washing provided by the invention has the advantages that as a plurality of components are compounded and synergistic, even if the dosage of the preservative is reduced, a better preservative effect can be achieved; the additive amount is reduced in the detergent, the cost is reduced, the safety is improved, and the problem of environmental pollution caused by excessive use of the preservative is solved.

Description

Compound preservative for washing and preparation method and application thereof
Technical Field
The invention relates to the technical field of corrosion prevention of washing products, in particular to a compound type corrosion inhibitor for washing, a preparation method and application thereof.
Background
In recent years, the detergent is widely introduced into thousands of households, is an indispensable important product in life, and the stability and reliability of the product are more and more important. Most of washing products are non-disposable products, and the washing products are easy to cause multiple pollution so that washing deterioration cannot be used. Most washing is rich in water, minerals and carbon sources required by microbial growth, and once the microbes in the environment enter, the microbes can quickly multiply to a certain amount, so that the appearance of the product can be damaged, and the product cannot be used. In recent years, the environmental impact causes the bacterial content of groundwater to increase and the possibility of detergent deterioration to be increased, so that the detergent preservative is paid attention to by most manufacturers. Most of the existing washing added preservatives have the defects of single component and easiness in generating drug resistance, and a more efficient and safer solution is urgently needed to be searched.
The existing preservatives which can be used for washing products are various, but a preservative which is small in dosage and good in preservative effect is lacking, so that a compound type washing preservative with higher practicability, and a preparation method and application thereof are provided.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a compound preservative for washing, and a preparation method and application thereof;
in order to achieve the above object, the present invention provides the following technical solutions:
a compound preservative for washing comprises, by weight, 5-10% of a component, 10-30% of b component and 60-85% of c component;
wherein, the component a is methylisothiazolinone; the component b is more than one of sodium benzoate, potassium sorbate, sodium salicylate, sodium dehydroacetate, sodium formate and sodium propionate; and the component c is more than one of deionized water, ethylene glycol and propylene glycol.
As a preferable technical scheme:
the compound preservative for washing comprises, by weight, 10-20% of sodium benzoate, 10-20% of potassium sorbate, 10-20% of sodium salicylate, 10-20% of sodium dehydroacetate, 10-20% of sodium formate and 10-20% of sodium propionate.
The preparation method of the compound preservative for washing comprises the following preparation processes:
and uniformly stirring the component a, the component b and the component c at room temperature according to the proportion until the components are completely dissolved, thus obtaining the compound preservative.
The application of the compound preservative for washing in washing products.
A washing product comprising a built-up washing preservative as described above;
as a preferable technical scheme:
the washing product comprises 0.1-0.4wt% of the compound preservative for washing.
Compared with the prior art, the invention has the following beneficial effects:
the preservative composition provided by the invention has the advantages that as a plurality of components are compounded and synergistic, even if the dosage of the preservative is reduced, a better preservative effect can be achieved, namely, the preservative effect of the preservative is better than the preservative effect of single methyl isothiazolinone, so that the cost is reduced and the safety is improved.
Detailed Description
The invention is further described below in conjunction with the detailed description. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents are intended to fall within the scope of the claims appended hereto.
Example 1
The preparation method of the compound preservative for washing comprises the following specific steps:
(1) The preparation method comprises the following steps of: 2.5% of a component, 15% of b component, 82.5% of c component;
wherein the component a is methyl isothiazolinone, the component c is deionized water, and the component b comprises the following components in percentage by weight: 10% of sodium benzoate, 10% of potassium sorbate, 20% of dehydroacetic acid, 20% of sodium formate, 20% of sodium propionate and 20% of sodium salicylate;
(2) The components are mixed according to the proportion and stirred at the temperature of 20-40 ℃ until the components are completely dissolved, and the compound preservative for washing is obtained.
A detergent comprising 0.1wt% of the built-up laundry preservative made by the above process.
Example 2
The preparation method of the compound preservative for washing comprises the following specific steps:
(1) The preparation method comprises the following steps of: 2.5% of a component, 20% of b component and 78.5% of c component deionized water;
wherein the component a is methyl isothiazolinone, the component c is 1, 3-propylene glycol, and the component b comprises the following components in percentage by weight: 20% of sodium benzoate, 20% of potassium sorbate, 20% of sodium dehydroacetate, 20% of sodium formate, 10% of sodium propionate and 10% of sodium salicylate;
(2) The components are mixed according to the proportion and stirred at the temperature of 20-40 ℃ until the components are completely dissolved, and the compound preservative for washing is obtained.
A detergent comprising 0.1wt% of the built-up laundry preservative made by the above process.
Example 3
The preparation method of the compound preservative for washing comprises the following specific steps:
(1) The preparation method comprises the following steps of: 5.0% of a component, 10% of b component and 85% of c component;
wherein the component a is methyl isothiazolinone, the component c is 1, 2-glycol, and the component b comprises the following components in percentage by weight: 30% of sodium benzoate, 50% of potassium sorbate, 5% of sodium dehydroacetate, 5% of sodium formate, 5% of sodium propionate and 5% of sodium salicylate;
(2) The components are mixed according to the proportion and stirred at the temperature of 20-40 ℃ until the components are completely dissolved, and the compound preservative for washing is obtained.
A detergent comprising 0.1wt% of the built-up laundry preservative made by the above process.
Example 4
The preparation method of the compound preservative for washing comprises the following specific steps:
(1) The preparation method comprises the following steps of: 5.0% of a component, 15% of b component and 80% of c component;
wherein the component a is methyl isothiazolinone, the component c is deionized water, and the component b comprises the following components in percentage by weight: 10% of sodium benzoate, 10% of potassium sorbate, 30% of sodium dehydroacetate, 10% of sodium formate, 20% of sodium propionate and 20% of sodium salicylate;
(2) The components are mixed according to the proportion and stirred at the temperature of 20-40 ℃ until the components are completely dissolved, and the compound preservative for washing is obtained.
A detergent comprising 0.1wt% of the built-up laundry preservative made by the above process.
Comparative example 1
A method for preparing a preservative for washing was basically the same as in example 4 except that in step (1), the same mass of the c component was used instead of the original b component in example 4, i.e., the b component was not added.
A detergent comprising 0.1wt% of the preservative for washing produced by the present comparative example.
Example 5
The preparation method of the compound preservative for washing comprises the following specific steps:
(1) The preparation method comprises the following steps of: 10% of a component, 10% of b component and 80% of c component;
wherein the component a is methyl isothiazolinone, the component c is 1, 2-glycol, and the component b comprises the following components in percentage by weight: sodium benzoate 5%, potassium sorbate 5%, sodium dehydroacetate 20%, sodium formate 25%, sodium propionate 25%, sodium salicylate 20%;
(2) The components are mixed according to the proportion and stirred at the temperature of 20-40 ℃ until the components are completely dissolved, and the compound preservative for washing is obtained.
A detergent comprising 0.1wt% of the built-up laundry preservative made by the above process.
Example 6
The preparation method of the compound preservative for washing comprises the following specific steps:
(1) The preparation method comprises the following steps of: 10% of a component, 15% of b component and 75% of c component;
wherein the component a is methyl isothiazolinone, the component c is 1, 2-propylene glycol, and the component b comprises the following components in percentage by weight: 10% of sodium benzoate, 5% of potassium sorbate, 15% of sodium dehydroacetate, 30% of sodium formate, 20% of sodium propionate and 20% of sodium salicylate;
(2) The components are mixed according to the proportion and stirred at the temperature of 20-40 ℃ until the components are completely dissolved, and the compound preservative for washing is obtained.
A detergent comprising 0.1wt% of the built-up laundry preservative made by the above process.
Example 7
The preparation method of the compound preservative for washing comprises the following specific steps:
(1) The preparation method comprises the following steps of: 10% of a component, 20% of b component and 70% of c component;
wherein the component a is methyl isothiazolinone, the component c is deionized water, and the component b comprises the following components in percentage by weight: 10% of sodium benzoate, 20% of potassium sorbate, 15% of sodium dehydroacetate, 15% of sodium formate, 10% of sodium propionate and 30% of sodium salicylate;
(2) The components are mixed according to the proportion and stirred at the temperature of 20-40 ℃ until the components are completely dissolved, and the compound preservative for washing is obtained.
A detergent comprising 0.1wt% of the built-up laundry preservative made by the above process.
Equal amounts of the above 8 detergent samples (one for each of examples 1-7 and comparative example 1) were taken, and equal amounts of bacteria and mold were added to each sample: staphylococcus aureus (ATCC 6538), pseudomonas aeruginosa ATCC9027, aspergillus niger ATCC 6404, escherichia coli ATCC25922, candida albicans ATCC 0231, and initial seed amount of 6.0X10 6 CFU/g or 3.0X10 6 CFU/g。
The above 8 sterilized detergent samples were cultured under the same conditions for 28 days, and the results of the bacteria content detection were shown in the following table every 7 days:
TABLE 1
Figure BDA0004112848570000061
It can be seen from Table 1 that the detergents using the preservatives prepared in examples 1 to 7 reduced the bacterial and fungal counts to less than 10cfu/ml within 7 days, whereas the detergents using the preservatives prepared in the comparative examples failed to reduce the bacterial and fungal counts to less than 10cfu/ml within 7 days, and that 21 days were required to reduce the bacterial and fungal counts to less than 10cfu/ml, examples 1 to 7 were superior to the comparative examples in terms of the preservative effect, i.e., demonstrated that the built-up detergent preservative of the present invention was superior to the preservative of methylisothiazolinone alone (the preservative prepared in comparative example 1) even at lower amounts of the preservative composition used.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent modifications made by the teachings of the present invention, or direct or indirect application in the relevant art, are intended to be included within the scope of the present invention.

Claims (6)

1. The compound preservative for washing is characterized by comprising 5-10% of a component, 10-30% of a component b and 60-85% of a component c in percentage by weight;
wherein, the component a is methylisothiazolinone; the component b is more than one of sodium benzoate, potassium sorbate, sodium salicylate, sodium dehydroacetate, sodium formate and sodium propionate; and the component c is more than one of deionized water, ethylene glycol and propylene glycol.
2. The compound preservative for washing according to claim 1, wherein the component b comprises 10-20% of sodium benzoate, 10-20% of potassium sorbate, 10-20% of sodium salicylate, 10-20% of sodium dehydroacetate, 10-20% of sodium formate and 10-20% of sodium propionate in percentage by weight.
3. A process for preparing a built-up laundry preservative according to any one of claims 1-2, characterized by the following steps:
and uniformly stirring the component a, the component b and the component c at room temperature according to the proportion until the components are completely dissolved, thus obtaining the compound preservative.
4. Use of a built-up laundry preservative according to any one of claims 1-2 in a laundry product.
5. A laundry product comprising a built-up laundry preservative according to any one of claims 1-2.
6. A washing product according to claim 5, wherein the built-up laundry preservative is used in an amount of 0.1-0.4wt%.
CN202310211458.0A 2023-03-07 2023-03-07 Compound preservative for washing and preparation method and application thereof Pending CN116240079A (en)

Priority Applications (1)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1947505A (en) * 2001-03-01 2007-04-18 隆萨公司 Preservative blends containing quaternary ammonium compounds
CN104322555A (en) * 2014-09-26 2015-02-04 武汉斯达日用化工有限公司 Preservative used for liquid washing product and preparation method thereof
CN111394192A (en) * 2019-12-31 2020-07-10 纳爱斯浙江科技有限公司 Mild and non-irritant full-food grade detergent composition and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1947505A (en) * 2001-03-01 2007-04-18 隆萨公司 Preservative blends containing quaternary ammonium compounds
CN104322555A (en) * 2014-09-26 2015-02-04 武汉斯达日用化工有限公司 Preservative used for liquid washing product and preparation method thereof
CN111394192A (en) * 2019-12-31 2020-07-10 纳爱斯浙江科技有限公司 Mild and non-irritant full-food grade detergent composition and preparation method thereof

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