CN111316997A - Composition with stable sodium hypochlorite solution and preparation method and application thereof - Google Patents
Composition with stable sodium hypochlorite solution and preparation method and application thereof Download PDFInfo
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- CN111316997A CN111316997A CN202010122714.5A CN202010122714A CN111316997A CN 111316997 A CN111316997 A CN 111316997A CN 202010122714 A CN202010122714 A CN 202010122714A CN 111316997 A CN111316997 A CN 111316997A
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- sodium hypochlorite
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/08—Alkali metal chlorides; Alkaline earth metal chlorides
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/22—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing ingredients stabilising the active ingredients
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Abstract
The invention discloses a composition with a stable sodium hypochlorite solution and a preparation method and application thereof, belonging to the technical field of fine chemical engineering. The composition with the stable sodium hypochlorite solution is prepared from the following components in percentage by mass: 0.1-5% of fatty alcohol-polyoxyethylene ether AEO-9; 0.05 to 5 percent of sodium nitrilotriacetate; 0.1-5% of sodium chloride; 0.01-3% of sodium polyacrylate; deionized water and the balance. The composition can remarkably improve the stability of the sodium hypochlorite solution, and the sodium hypochlorite solution added with the composition can be stored for more than 15 months at normal temperature.
Description
Technical Field
The invention belongs to the technical field of fine chemical engineering, and particularly relates to a composition with a stable sodium hypochlorite solution, a preparation method of the composition and application of the composition in preparation of the stable sodium hypochlorite solution.
Background
Sodium hypochlorite (sodium hypochlorite) is an inorganic chlorine-containing disinfectant. The application of sodium hypochlorite in disinfection has been for over 100 years, and the sodium hypochlorite is widely applied to disinfection in various industries such as medical treatment, health epidemic prevention, industry and agriculture and the like at present. The bleaching agent is mainly used for bleaching paper pulp, textiles (such as cloth, towel, undershirt and the like), chemical fibers and starch; the soap making industry is used as a bleaching agent for grease; the chemical industry is used for producing hydrazine hydrate, monochloramine and dichloroamine; chlorinating agents also used for the manufacture of cobalt and nickel; the water treatment agent is used as a water purifying agent, a bactericide and a disinfectant. The dye industry is used for manufacturing sulphur sapphire; agricultural and animal husbandry uses as disinfectants and deodorants for vegetables, fruits, feedlots, animal houses, and the like; the food-grade product is used for sterilizing drinking water, fruits and vegetables, and sterilizing food manufacturing equipment and appliances; the disinfectant used in daily products is the main active component of 84 disinfectant.
The sodium hypochlorite solution has poor stability, and brings great inconvenience to the production, transportation, storage, sale, use and the like of the sodium hypochlorite solution. The actual effective period of the currently available sodium hypochlorite solution is only about 3 months, and consumers often expect that the effective period can be longer. For the research of sodium hypochlorite solution stabilizer, some invention patents are applied at present, for example, CN201511003486.5 discloses a stabilizer for sodium hypochlorite solution, a preparation method and application thereof, wherein the stabilizer is prepared by compounding disodium ethylene diamine tetraacetate, boron nitride, potassium chloride, stannous chloride, sodium chloride and sodium silicate; CN105961382A discloses a stabilizer for sodium hypochlorite and its use method, wherein the components of the stabilizer for sodium hypochlorite include sodium sulfamate, sodium silicate, sodium bicarbonate and deionized water.
Disclosure of Invention
The first purpose of the invention is to overcome the defects of the prior art and provide a composition with a stable sodium hypochlorite solution, wherein the composition can obviously improve the stability of the sodium hypochlorite solution, and the sodium hypochlorite solution added with the composition can be stored for more than 15 months at normal temperature.
A second object of the invention is to provide a process for the preparation of a composition having a stable sodium hypochlorite solution.
A third object of the invention is to provide the use of a composition with a stable sodium hypochlorite solution for the preparation of a product containing a sodium hypochlorite solution.
The first purpose of the invention can be achieved by adopting the following technical scheme:
a composition with a stable sodium hypochlorite solution is prepared from the following components in percentage by mass:
preferably, the composition with the stable sodium hypochlorite solution is prepared from the following components in percentage by mass:
preferably, the composition with the stable sodium hypochlorite solution is prepared from the following components in percentage by mass:
preferably, the composition with the stable sodium hypochlorite solution is prepared from the following components in percentage by mass:
as a preferred further scheme, the composition with the stable sodium hypochlorite solution is prepared from the following components in percentage by mass:
the second purpose of the invention can be achieved by adopting the following technical scheme:
a preparation method of a composition with a stable sodium hypochlorite solution comprises the following specific steps:
according to the fatty alcohol polyoxyethylene ether AEO-9: sodium nitrilotriacetate: sodium chloride: the mass fraction ratio of the sodium polyacrylate is 0.1-5%: 0.05-5%: 0.1-5%: 0.01-3 percent of the total weight of the raw materials and the balance of deionized water; sequentially adding sodium polyacrylate, sodium nitrilotriacetic acid, sodium chloride and fatty alcohol-polyoxyethylene ether AEO-9 into deionized water, and uniformly stirring and dissolving to obtain the composition.
Preferably, the preparation method of the composition with the stable sodium hypochlorite solution comprises the following specific steps: adding sodium polyacrylate into deionized water, stirring for dissolving, adding sodium nitrilotriacetate, stirring for dissolving, and adding sodium chloride and fatty alcohol-polyoxyethylene ether AEO-9, stirring for dissolving.
The third purpose of the invention can be achieved by adopting the following technical scheme:
the application of the composition with the stable sodium hypochlorite solution in preparing a product containing the sodium hypochlorite solution is characterized in that the adding amount of the composition with the stable sodium hypochlorite solution in the product containing the sodium hypochlorite solution is 0.01-50% by mass fraction.
Preferably, the addition amount of the composition having a stable sodium hypochlorite solution in the product containing a sodium hypochlorite solution is 1 to 20% by mass.
Preferably, the use of the composition with a stabilized sodium hypochlorite solution for the preparation of a product containing a sodium hypochlorite solution, said product being at least one of a dish sanitizing wash, a cookware and kitchenware sanitizing wash, a floor sanitizing wash and a toilet sanitizing wash.
Compared with the prior art, the invention has the following beneficial effects:
1. the composition with the stable sodium hypochlorite solution is obtained through a large number of experimental screening and scientific composing prescriptions, wherein fatty alcohol-polyoxyethylene ether AEO-9 in the composition forms micelles in the solution and forms a bimolecular surfactant protective layer on the surface of the solution, and meanwhile, the fatty alcohol-polyoxyethylene ether AEO-9 contains a plurality of ether groups and hydroxyl groups, so that the sodium hypochlorite is stable from multiple aspects; sodium nitrilotriacetate has strong function of complexing metal ions such as copper, iron and the like, and can eliminate the influence of the metal ions which can promote the decomposition of sodium hypochlorite in the solution; sodium chloride can make the decomposition reaction of sodium hypochlorite proceed in the reverse direction, so that the sodium hypochlorite is stable; the sodium polyacrylate can enable the solution to form proper viscosity and reduce molecular movement, and meanwhile, the sodium polyacrylate can stabilize micelle formed by fatty alcohol-polyoxyethylene ether AEO-9, so that the sodium hypochlorite is stabilized.
2. The pH value of the composition with the stable sodium hypochlorite solution is about 7-8, and is the optimal pH value range of the stable sodium hypochlorite solution.
3. The composition with the stable sodium hypochlorite solution obtained by the scientific formula is added into the sodium hypochlorite solution, so that the stability of the sodium hypochlorite solution can be remarkably improved, and the storage period of the sodium hypochlorite solution at normal temperature can reach more than 15 months.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
The test methods in the following examples, in which specific experimental conditions are not specified, are generally performed according to conventional experimental conditions or according to the experimental conditions recommended by the manufacturer.
Examples 1-3 and comparative examples 1-5: compositions and controls with stabilized sodium hypochlorite solution
The formulations of examples 1 to 3 and comparative examples 1 to 5 are shown in Table 1, and the amounts of the formulations are in terms of mass fraction.
TABLE 1
The preparation of examples 1-3 was as follows: weighing the raw materials of the components as shown in the table 1, adding sodium polyacrylate into deionized water, stirring and dissolving uniformly, adding sodium nitrilotriacetate, stirring and dissolving, and finally adding sodium chloride and fatty alcohol-polyoxyethylene ether AEO-9, stirring and dissolving uniformly.
Preparation of comparative examples 1 to 5: the raw materials of the components are weighed as described in table 1, and the corresponding fatty alcohol polyoxyethylene ether AEO-9, sodium nitrilotriacetate, sodium chloride and sodium polyacrylate in the formulas of the comparative examples 1 to 4 are dissolved in deionized water, and the comparative example 5 is used as a blank comparative example.
Test example 1 determination of available chlorine content
(1) Test sample
The compositions with stabilized sodium hypochlorite solutions described in examples 1-3 and comparative examples 1-5 and the control were used as test samples.
(2) Preparation of test reagents:
① Potassium iodide solution (100g/L) 100g potassium iodide was weighed out on an analytical balance, dissolved in water, shaken well and diluted to 1000 mL.
② sulfuric acid solution (0.5mol/L), 15mL of concentrated sulfuric acid was measured from a measuring cylinder, and the concentrated sulfuric acid was slowly poured into 500mL of water along the wall of a beaker, followed by cooling and shaking.
③ sodium thiosulfate Standard titration solution c (Na)2S2O3) 0.1 mol/L: 26g of sodium thiosulfate pentahydrate are weighed out on an analytical balance, dissolved in water, shaken up and diluted to 1000 mL.
④ starch indicator (10g/L) 10g of water-soluble starch was weighed out on an analytical balance, dissolved in water, shaken up and diluted to 1000 mL.
(3) Test procedure
Taking 8 plastic bottles, adding 50g of the test samples of examples 1-3 and comparative examples 1-5, numbering 1-8 in sequence, adding 450g of sodium hypochlorite solution with the effective chlorine content of 8.35% into each test tube, shaking up, covering a cover, sealing, standing in a dark place at room temperature, immediately measuring the effective chlorine content of the sodium hypochlorite product, and recording; after the test tubes are stored for 10 days, 1 month, 3 months, 6 months, 9 months, 12 months and 15 months respectively, 10g (weighed to be 0.01g) of liquid sodium hypochlorite products are weighed from each plastic bottle, the liquid sodium hypochlorite products are placed into a 250mL iodine measuring bottle, 10mL of potassium iodide solution and 10mL of sulfuric acid solution are added, a bottle stopper is quickly covered tightly, liquid sealing is carried out, the test tubes are kept stand for 5min in the dark, sodium thiosulfate standard titration solution is used for titration to light yellow, then 2mL of starch indicating solution is added, the titration is continued until blue disappears as an end point, the volume of the sodium thiosulfate standard titration solution consumed by the liquid sodium hypochlorite products of each test tube is read, and the effective chlorine content of the sodium hypochlorite solution in each test tube is calculated.
The available chlorine content is calculated as follows:
in the formula: c- -actual concentration of sodium thiosulfate standard titration solution, mol/L;
v- -the amount of sodium thiosulfate standard solution, mL;
m is the mass of the sample, g;
0.03545-grams per mmol Cl, g/mmol.
(4) Test results
The results are shown in Table 2.
TABLE 2
As can be seen from Table 2, the available chlorine content of all samples is in a descending trend along with the time extension, wherein the effective chlorine content of the comparative example 5 without any stabilizer is reduced fastest, after 15 months, the loss of the effective chlorine content is 73 percent, compared with the effective chlorine content of the comparative example 5, the comparative examples 1-4 with the components of the fatty alcohol-polyoxyethylene ether AEO-9, the sodium nitrilotriacetate, the sodium chloride, the sodium polyacrylate and the like are added have a lower reduction speed, and after 15 months, the loss of the effective chlorine content reaches 47.6 percent, 48 percent, 48.1 percent and 59 percent respectively; whereas examples 1-3, which included the composition of the present invention with a stable sodium hypochlorite solution, decreased the available chlorine content more slowly than comparative examples 1-4, the loss of available chlorine content after 15 months for examples 1-3 was 5.0%, 5.1% and 5.1%, respectively; the composition has the advantages that the components in the composition have a synergistic effect after scientific compounding, the composition has the effect of remarkably stabilizing the sodium hypochlorite solution, and the storage period of the sodium hypochlorite solution added with the composition at normal temperature can reach more than 15 months.
Use example 1 tableware Disinfection cleaning solution
A dish sanitizing rinse formulation containing a composition with a stable sodium hypochlorite solution is shown in Table 3.
TABLE 3 recipe of tableware disinfecting detergent
The preparation method comprises the following steps: dissolving sodium hydroxide in deionized water, slowly adding dodecylbenzene sulfonic acid, adding lauroyl diethanol amine after the sodium hydroxide is uniformly dissolved, stirring and uniformly dissolving, adding 10% sodium hypochlorite and the composition described in the embodiment 1, and stirring and uniformly dissolving.
Application example 2 cleaning solution for sterilizing kitchenware and kitchen utensils
A formulation of a sanitizing rinse for cookware and kitchenware containing a composition with a stable sodium hypochlorite solution is shown in Table 4.
TABLE 4 formulation of disinfectant cleaning solution for kitchenware and kitchen utensils
The preparation method comprises the following steps: dissolving fatty alcohol-polyoxyethylene ether AEO-9, triethanolamine and ethanol in deionized water, adding 10% sodium hypochlorite and the composition described in example 1, and stirring to dissolve uniformly.
Application example 3 cleaning solution for ground disinfection
A floor sanitizing cleaning solution containing a composition with a stable sodium hypochlorite solution was formulated as shown in Table 5.
TABLE 5 formulation of disinfecting and cleaning liquid for floor
The preparation method comprises the following steps: dissolving sodium hydroxide in deionized water, slowly adding dodecylbenzene sulfonic acid, after the sodium hydroxide is uniformly dissolved, adding fatty alcohol-polyoxyethylene ether AEO-9, stirring and uniformly dissolving, adding 10% sodium hypochlorite and the composition described in the embodiment 1, and stirring and uniformly dissolving.
Application example 4 toilet Disinfection cleaning solution
A toilet disinfecting detergent formulation containing a composition with a stable sodium hypochlorite solution is shown in Table 4.
TABLE 4 formula of toilet disinfecting and cleaning liquid
The preparation method comprises the following steps: and (2) dissolving nonylphenol polyoxyethylene ether TX-10 and triethanolamine in deionized water, adding 10% sodium hypochlorite and the composition described in the embodiment 1, and stirring to dissolve uniformly.
The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the scope of the present invention.
Claims (10)
1. The composition with the stable sodium hypochlorite solution is characterized by being prepared from the following components in percentage by mass:
2. the composition with a stable sodium hypochlorite solution according to claim 1, characterized by being prepared from the following components in percentage by mass:
3. the composition with a stable sodium hypochlorite solution according to claim 2, characterized by being prepared from the following components in percentage by mass:
4. the composition with a stable sodium hypochlorite solution according to claim 2, characterized by being prepared from the following components in percentage by mass:
5. the composition with a stable sodium hypochlorite solution according to claim 2, characterized by being prepared from the following components in percentage by mass:
6. a preparation method of a composition with a stable sodium hypochlorite solution is characterized by comprising the following specific steps:
according to the fatty alcohol polyoxyethylene ether AEO-9: sodium nitrilotriacetate: sodium chloride: the mass fraction ratio of the sodium polyacrylate is 0.1-5%: 0.05-5%: 0.1-5%: 0.01-3 percent of the total weight of the raw materials and the balance of deionized water; sequentially adding sodium polyacrylate, sodium nitrilotriacetic acid, sodium chloride and fatty alcohol-polyoxyethylene ether AEO-9 into deionized water, and uniformly stirring and dissolving to obtain the composition.
7. Use of a composition having a stable sodium hypochlorite solution for the preparation of a product comprising a sodium hypochlorite solution.
8. The use of the composition with a stable sodium hypochlorite solution in the preparation of a product containing a sodium hypochlorite solution according to claim 7, wherein the composition with a stable sodium hypochlorite solution is added in an amount of 0.01-50% by mass.
9. The use of the composition with a stable sodium hypochlorite solution in the preparation of a product containing a sodium hypochlorite solution according to claim 8, wherein the composition with a stable sodium hypochlorite solution is added in an amount of 1-20% by mass.
10. Use of a composition with a stabilized sodium hypochlorite solution according to any one of claims 7 to 9 for the preparation of a product containing a sodium hypochlorite solution, characterized in that said product is at least one of a dish sanitizing wash, a kitchen and kitchenware sanitizing wash, a floor sanitizing wash and a toilet sanitizing wash.
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| CN202010122714.5A CN111316997A (en) | 2020-02-27 | 2020-02-27 | Composition with stable sodium hypochlorite solution and preparation method and application thereof |
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| CN202010122714.5A CN111316997A (en) | 2020-02-27 | 2020-02-27 | Composition with stable sodium hypochlorite solution and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756323A (en) * | 2020-12-29 | 2021-05-07 | 深圳普门科技股份有限公司 | Cleaning agent and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112756323A (en) * | 2020-12-29 | 2021-05-07 | 深圳普门科技股份有限公司 | Cleaning agent and application thereof |
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Application publication date: 20200623 |
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