A foam type organic chlorine disinfectant and its preparation method and application

Abstract

The present application relates to a kind of foam type organic chlorine disinfectant and its preparation method and application, belong to disinfectant technical field.Utilize the modification treatment of magnesium sulfate with polysilicic acid, make and form stable package system between modified magnesium sulfate and organic chlorine, greatly improve the stability and long-acting of effective chlorine component in the process of use;While introducing the synergism between surfactant and sodium dimethyl benzene sulfonate, an additional protective layer is constructed, further strengthens the overall stability of organic chlorine disinfectant, blocks the harmful contact that organic chlorine disinfectant can encounter under complex or adverse environmental conditions, effectively prevents the performance decline or potential harm caused by environmental factors, ensures the safe and efficient use of disinfectant.The foam type organic chlorine disinfectant of the present application utilizes double package system, not only improves the long-acting and stability of disinfection effect, but also significantly enhances the environmental adaptability and use safety of product.

Description

Technical Field

[0001] This invention belongs to the field of disinfectant technology, and relates to a foam-type organochlorine disinfectant, its preparation method, and its application. Background Technology

[0002] With the rapid development of modern agriculture, the scale and intensification of livestock and poultry farming are constantly increasing, and the hygiene requirements for the farming environment are becoming increasingly stringent. To effectively prevent the spread of diseases, ensure the health of livestock and poultry, promote the sustainable development of the farming industry, and improve overall economic and social benefits, disinfection has become an indispensable part of farming management. Among many disinfectants, organochlorine agents are widely used in farm disinfection due to their broad-spectrum bactericidal properties and low price.

[0003] However, traditional organochlorine disinfectants are mostly in powder form, requiring dilution with water before spraying. This liquid spraying method has revealed several drawbacks in practice. First, liquid disinfectants run off quickly after spraying, failing to remain on surfaces for extended periods, thus shortening the effective disinfection time and affecting the disinfection effect. Second, the lack of visual identification in liquid form makes it difficult to ensure thorough disinfection of all areas, easily creating disinfection dead zones and increasing the risk of disease transmission. Third, liquid disinfectants are prone to evaporation in high-temperature or well-ventilated environments, especially in summer, further weakening the disinfection effect. Finally, liquid spraying also involves disinfectant waste, which contradicts the core principle of modern aquaculture: cost reduction and efficiency improvement. Given these limitations of traditional liquid disinfection methods, developing a new disinfectant product that overcomes these drawbacks is particularly important. Summary of the Invention

[0004] The purpose of this invention is to provide a foam-type organochlorine disinfectant, its preparation method and application, which has the characteristics of being safe, environmentally friendly, stable and long-lasting.

[0005] The objective of this invention can be achieved through the following technical solutions:

[0006] A foam-type organochlorine disinfectant, wherein the formula of the organochlorine disinfectant is as follows (by weight): 15-25 parts organochlorine, 10-20 parts surfactant, 5-10 parts sodium dimethylbenzenesulfonate, 3-5 parts modified magnesium sulfate, and 2-5 parts stabilizer.

[0007] The preparation method of modified magnesium sulfate is as follows:

[0008] S1-1: Anhydrous magnesium sulfate was placed in a ball mill and ball milled at a speed of 350 r / min for 30 min to obtain anhydrous magnesium sulfate after ball milling.

[0009] S1-2: mixing sodium silicate and deionized water according to the mass ratio of 1:50 to obtain a sodium silicate solution, using a sulfuric acid solution to adjust the pH value of the sodium silicate solution to 1.5-2.0, stirring at 40℃ for 1.5h to obtain polysilicic acid;

[0010] S1-3: mixing the anhydrous magnesium sulfate after ball milling and the polysilicic acid according to the mass ratio of 1:5, ultrasonic stirring at 60℃ for 2-3h, washing with deionized water for three times, separating the solid precipitate in a high-speed centrifuge, and drying in a vacuum drying oven at 60℃ for 12h to obtain modified magnesium sulfate.

[0011] Further, the organic chlorine is one or two of sodium dichloroisocyanurate and trichloroisocyanuric acid.

[0012] Further, the surfactant is one or several of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, sodium coco-hydroxyethyl sulfonate, and sodium alpha-alkenyl sulfonate.

[0013] Further, the stabilizing regulator is one or several of citric acid, sulfamic acid, malic acid, and fumaric acid.

[0014] Further, the concentration of the sulfuric acid solution in S1-2 is 2M.

[0015] A preparation method of a foam type organic chlorine disinfectant, the preparation method of the foam type organic chlorine disinfectant is as follows:

[0016] S6-1: mixing the surfactant and sodium dimethyl benzene sulfonate according to the formula to obtain a wrapping system A;

[0017] S6-2: mixing the organic chlorine and the modified magnesium sulfate to obtain a wrapping system B;

[0018] S6-3: mixing the wrapping system A, the wrapping system B, and the stabilizing regulator for 30min to obtain the organic chlorine disinfectant.

[0019] An application of a foam type organic chlorine disinfectant, the disinfectant is applied to disinfect a farm, mixing the disinfectant and deionized water according to the volume ratio of 1:499 to obtain a disinfectant diluent, using a high-pressure cleaning device with a foaming gun head to spray the disinfectant diluent on the surface of the object to be disinfected, and the disinfectant diluent forms a foam on the surface of the object and adheres to the surface of the object.

[0020] Magnesium sulfate is an ideal material for constructing organic chlorine encapsulation system due to its good fire resistance and low thermal conductivity. Polysilicic acid is an inorganic high polymer compound with high adsorption performance. The abundant silicon hydroxyl groups on its molecular chain provide active sites for chemical reactions and can form stable chemical bonds or adsorption layers with various substances. When polysilicic acid is combined with magnesium sulfate under suitable conditions, the advantages of the two are superimposed, and the overall adsorption capacity is significantly improved, providing more effective sites for adsorption and encapsulation of organic chlorine molecules. Modified magnesium sulfate realizes effective fixation of organic chlorine molecules through adsorption and encapsulation mechanisms, limiting direct contact of organic chlorine with air, moisture, and other substances that may trigger adverse reactions. This not only enhances the stability of organic chlorine, preventing its decomposition and reaction during storage or use, but also ensures the safety and effectiveness of disinfectants in application environments such as farms, reducing potential impacts on the surrounding environment.

[0021] The molecular structure of sodium dimethylbenzenesulfonate contains not only a strong hydrophilic group, sulfonate, but also a benzene ring and a methyl hydrophobic group. This amphiphilic property allows it to form micelles in aqueous solutions or adsorb on the surface of surfactants. Organic chlorine disinfectants may have the risk of self-ignition under certain conditions, especially when in contact with certain flammable substances. By attaching sodium dimethylbenzenesulfonate to the surface of surfactants to form an encapsulation system and modifying magnesium sulfate to form two encapsulation systems with organic chlorine, direct contact between organic chlorine disinfectants and flammable substances can be effectively isolated, thereby reducing the risk of self-ignition of organic chlorine. In addition, the treatment of the two encapsulation systems significantly improves the overall safety of the product, reduces the release and exposure of harmful substances, and reduces the potential harm to the environment and human body. At the same time, this encapsulation technology can also improve the stability and performance of the product, making it more suitable for various application scenarios.

[0022] The addition of an appropriate amount of stability regulator can control the pH value of the disinfectant diluent between 6.0 and 7.0, showing weak acidity. A weak acid system can maintain the stability of chlorine in the solution, delay the hydrolysis of organic chlorine, effectively inhibit its decomposition, and promote the stable existence of effective chlorine components in the solution, thereby ensuring the chemical stability, long-term effectiveness, and safety of the product.

[0023] The beneficial effects of the present application are:

[0024] (1) The combination of magnesium sulfate and polysilicic acid significantly improves the overall adsorption capacity, effectively fixes and wraps organic chlorine molecules by increasing adsorption sites, reduces their direct contact with adverse environmental factors, prevents decomposition and reaction, thereby enhancing the stability and long-acting of organic chlorine, and the wrapping mechanism also significantly improves the safety of the disinfectant in the environment of farms and other environments, reducing the potential impact on the environment; the wrapping layer formed between dimethylbenzenesulfonic acid sodium and surfactants further isolates the direct contact of organic chlorine disinfectant with flammable substances, reduces the risk of spontaneous combustion, and improves the overall safety of the product.

[0025] (2) The organic chlorine product is made into a foam form, the foam can stay on the surface of the object for a long time, significantly enhancing the disinfection effect, ensuring full coverage without dead angles, and its obvious recognition effect makes the disinfection process visualized, which is convenient for immediate inspection of whether the disinfection is in place; in addition, the foam is stable and not easy to volatilize, reducing the loss of disinfectant, thereby ensuring the disinfection quality while effectively reducing the amount of disinfectant and water resource consumption in the farm, achieving the environmental protection goal of reducing cost and increasing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to facilitate the understanding of those skilled in the art, the present application will be further described below with reference to the accompanying drawings.

[0027] Figure 1 The effect diagram of the disinfectant prepared in Example 1 of the present application mixed with deionized water at a volume ratio of 1:499 and then sprayed onto the wall surface to be disinfected using a high-pressure cleaning device;

[0028] Figure 2 The effect diagram of the disinfectant in Comparative Example 1 mixed with deionized water at a volume ratio of 1:499 and then sprayed onto the wall surface to be disinfected using a high-pressure cleaning device. DETAILED DESCRIPTION

[0029] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined invention purpose, the specific embodiments, structures, features and effects according to the present application will be described in detail below with reference to the accompanying drawings and preferred embodiments.

[0030] CAS / Article number Supplier Anhydrous magnesium sulfate 7487-88-9 Laizhou Guangcheng Chemical Co., Ltd. Sodium silicate 1344-09-8 Jiangxi Yigao Chemical Industry Development Co., Ltd. Sodium dichloroisocyanurate 135503 Chengdu Aikeda Chemical Reagent Co., Ltd. Trichloroisocyanuric acid 87-90-1 Heze Hua Yi Chemical Co., Ltd. Sodium dodecyl sulfate 151-21-3 Hunan Lichun Aowei Industry Co., Ltd. Sodium dodecylbenzenesulfonate 25155-30-0 Jiangsu Runfeng Synthetic Technology Co., Ltd. Sodium cocoyl isethionate 61789-32-0 Hebei Clavel Biological Technology Co., Ltd. Sodium alpha-olefin sulfonate 68439-57-6 Hubei Zhonglong Kangsheng Fine Chemical Co., Ltd. Citric acid 77-92-9 Hunan Dongting Citric Acid Chemical Co., Ltd. Sulfamic acid 5329-14-6 Shanghai Aladdin Bio-Chem Technology Co., Ltd. Malic acid 6915-15-7 Changzhou Saikesi Chemical Co., Ltd. Fumaric acid 110-17-8 Guangzhou Haoyu International Trade Co., Ltd.

[0031] Example 1

[0032] Formula 1, by weight, sodium dichloroisocyanurate 20 parts, sodium cocoyl hydroxyethyl sulfonate 10 parts, sodium dodecylbenzenesulfonate 5 parts, dimethylbenzenesulfonic acid sodium 8 parts, modified magnesium sulfate 5 parts, citric acid 3 parts,

[0033] The preparation method of modified magnesium sulfate is as follows:

[0034] S1-1: Put anhydrous magnesium sulfate into a ball mill, and ball mill at a rotation speed of 350 r / min for 30 min to obtain ball-milled anhydrous magnesium sulfate;

[0035] S1-2: Mix sodium silicate and deionized water according to a mass ratio of 1:50 to obtain a sodium silicate solution, adjust the pH value of the sodium silicate solution to 1.5 by using a 2M sulfuric acid solution, and stir at 40℃ for 1.5 h to obtain polysilicic acid;

[0036] S1-3: Mix the ball-milled anhydrous magnesium sulfate and the polysilicic acid according to a mass ratio of 1:5, ultrasonically stir at 60℃ for 2 h, wash with deionized water for three times, separate the solid precipitate by using a high-speed centrifuge, and dry in a vacuum drying box at 60℃ for 12 h to obtain modified magnesium sulfate.

[0037] The preparation method of the organic chlorine disinfectant is as follows:

[0038] S6-1: Mix sodium dodecylbenzenesulfonate, sodium cocoyl isethionate and sodium dimethylbenzenesulfonate according to Formula 1 to obtain a wrapping system A;

[0039] S6-2: Mix sodium dichloroisocyanurate and modified magnesium sulfate to obtain a wrapping system B;

[0040] S6-3: Mix the wrapping system A, the wrapping system B and citric acid for 30 min to obtain the organic chlorine disinfectant.

[0041] The application of the foam type organic chlorine disinfectant is that the disinfectant is applied to disinfect a farm, the disinfectant is mixed with deionized water according to a volume ratio of 1:499 to obtain a disinfectant diluent, the disinfectant diluent is sprayed on the surface of an object to be disinfected by using a high-pressure cleaning device with a foaming gun head, and the disinfectant diluent forms foam on the surface of the object and adheres to the surface of the object.

[0042] As shown in the figure, the disinfectant prepared in the embodiment 1 is mixed with deionized water according to a volume ratio of 1:499, and the diluent is sprayed on the wall surface to be disinfected by using a high-pressure cleaning device, the product diluent is in the form of foam and adheres to the wall, the foam adheres for a long time, is easy to manage and identify, and can significantly improve the disinfection effect. Figure 1

[0043] Embodiment 2

[0044] Formula 2, in terms of weight parts, 20 parts of trichloroisocyanuric acid, 10 parts of sodium alpha-alkenyl sulfonate, 10 parts of sodium dodecylbenzenesulfonate, 10 parts of sodium dimethylbenzenesulfonate, 3 parts of modified magnesium sulfate, 4 parts of malic acid,

[0045] The preparation method of the modified magnesium sulfate is as follows:

[0046] ​S1-1: The anhydrous magnesium sulfate is placed in a ball mill for ball milling at a rotation speed of 350 r / min for 30 min to obtain the ball-milled anhydrous magnesium sulfate;

[0047] S1-2: The sodium silicate is mixed with deionized water at a mass ratio of 1:50 to obtain a sodium silicate solution, and the pH value of the sodium silicate solution is adjusted to 1.8 using a 2M sulfuric acid solution, and the solution is stirred at 40℃ for 1.5h to obtain polysilicic acid;

[0048] S1-3: The ball-milled anhydrous magnesium sulfate is mixed with the polysilicic acid at a mass ratio of 1:5, and ultrasonic stirring is performed at 60℃ for 2.5h, and the mixture is washed with deionized water three times, and the solid precipitate is separated in a high-speed centrifuge, and dried in a vacuum drying oven at 60℃ for 12h to obtain modified magnesium sulfate.

[0049] The preparation method of the organic chlorine disinfectant is as follows:

[0050] S6-1: The sodium alpha-alkenyl sulfonate, sodium dodecyl benzene sulfonate and sodium dimethyl benzene sulfonate are mixed according to Formula 2 to obtain a wrapping system A;

[0051] S6-2: The trichloroisocyanuric acid is mixed with the modified magnesium sulfate to obtain a wrapping system B;

[0052] S6-3: The wrapping system A, the wrapping system B and the malic acid are mixed for 30 min to obtain the organic chlorine disinfectant.

[0053] The application of the foam type organic chlorine disinfectant, the disinfectant is applied to disinfection of a farm, the disinfectant is mixed with deionized water at a volume ratio of 1:499 to obtain a disinfectant diluent, and the disinfectant diluent is sprayed on the surface of the object to be disinfected using a high-pressure cleaning device with a foaming gun head, and the disinfectant diluent forms a foam on the surface of the object and adheres to the surface of the object.

[0054] Example 3

[0055] Formula 3, in parts by weight, sodium dichloroisocyanurate 10 parts, trichloroisocyanuric acid 10 parts, sodium dodecyl sulfate 15 parts, sodium dodecyl benzene sulfonate 5 parts, sodium dimethyl benzene sulfonate 5 parts, modified magnesium sulfate 5 parts, sulfamic acid 2 parts, fumaric acid 1 part,

[0056] The preparation method of the modified magnesium sulfate is as follows:

[0057] S1-1: The anhydrous magnesium sulfate is placed in a ball mill for ball milling at a rotation speed of 350 r / min for 30 min to obtain the ball-milled anhydrous magnesium sulfate;

[0058] S1-2: Sodium silicate and deionized water were mixed according to a mass ratio of 1:50 to obtain a sodium silicate solution, and 2M sulfuric acid solution was used to adjust the pH value of the sodium silicate solution to 2.0, and stirring was performed at 40°C for 1.5h to obtain polysilicic acid;

[0059] S1-3: The anhydrous magnesium sulfate after ball milling was mixed with the polysilicic acid according to a mass ratio of 1:5, ultrasonic stirring was performed at 60°C for 3h, washing was performed with deionized water for three times, and solid precipitation was obtained by separation in a high-speed centrifuge, and drying was performed in a vacuum drying box at 60°C for 12h to obtain modified magnesium sulfate.

[0060] The preparation method of the organic chlorine disinfectant is as follows:

[0061] S6-1: Sodium dodecyl sulfate, sodium dodecylbenzenesulfonate and sodium dimethylbenzenesulfonate were mixed according to the formula 3 to obtain a wrapping system A;

[0062] S6-2: Sodium dichloroisocyanurate, trichloroisocyanuric acid and modified magnesium sulfate were mixed to obtain a wrapping system B;

[0063] S6-3: The wrapping system A, the wrapping system B and sulfamic acid and fumaric acid were mixed for 30min to obtain the organic chlorine disinfectant.

[0064] The application of the foam type organic chlorine disinfectant, the disinfectant is applied to disinfection of farms, the disinfectant is mixed with deionized water according to a volume ratio of 1:499 to obtain a disinfectant diluent, the disinfectant diluent is sprayed on the surface of the object to be disinfected using a high-pressure cleaning device with a foaming gun head, and the disinfectant diluent forms a foam on the surface of the object and adheres to the surface of the object.

[0065] Comparative Example 1

[0066] A commercially available conventional organic chlorine disinfectant was used as a comparison, the conventional organic chlorine disinfectant was purchased from Jinan Zhongbei Fine Chemical Co., Ltd., and the effective ingredient was sodium dichloroisocyanurate, and the dosage form was powder.

[0067] Among them, the effect of mixing the organic chlorine disinfectant of the present comparative example 1 with deionized water according to a volume ratio of 1:499 and then spraying the diluent on the wall surface to be disinfected using a high-pressure cleaning device is shown in Figure 2 The water of the diluent of comparative example 1 sprayed on the wall surface is quickly lost, the disinfection area is difficult to identify, and the long-acting disinfection is poor.

[0068] Comparative Example 2

[0069] Without adding modified magnesium sulfate, the remaining steps are consistent with example 1.

[0070] Comparative Example 3

[0071] Without adding sodium dimethylbenzenesulfonate, the remaining steps are consistent with example 1.

[0072] The chlorine stability test in diluent was carried out for the examples and the comparative examples respectively, the organic chlorine disinfectant in the examples and the comparative examples was diluted by 200 times and 500 times respectively with deionized water, the chlorine content in the diluent of the examples and the comparative examples was determined respectively in the same time, and the effective chlorine reduction rate was calculated.

[0073] The experimental results are arranged in the following table,

[0074]

[0075] It can be known from the data of the examples and the comparative examples that the modified magnesium sulfate is combined with the organic chlorine, the sodium dimethylbenzenesulfonate is combined with the surfactant to form a double wrapping system, and the stable regulator is added to make the disinfectant diluent be a weak acid system, so that the stability of the effective chlorine is stronger in the actual use process, and the disinfection effect is more long-acting.

[0076] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as the above preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes without departing from the technical solution of the present application. Any simple modification, equivalent change and modification of the above examples according to the technical essence of the present application are still within the scope of the technical solution of the present application.

Claims

1. A foam-type organic chlorine disinfectant characterized in that, The formula of the organic chlorine disinfectant is as follows: 15-25 parts by weight of organic chlorine, 10-20 parts by weight of surfactant, 5-10 parts by weight of sodium dimethyl benzene sulfonate, 3-5 parts by weight of modified magnesium sulfate, and 2-5 parts by weight of stabilizing regulator, The preparation method of the modified magnesium sulfate is as follows: S1-1: Put the anhydrous magnesium sulfate into a ball mill and ball mill at a speed of 350 r / min for 30 min to obtain the ball-milled anhydrous magnesium sulfate; S1-2: Mix sodium silicate and deionized water according to a mass ratio of 1:50 to obtain a sodium silicate solution, adjust the pH value of the sodium silicate solution to 1.5-2.0 using a sulfuric acid solution, stir at 40°C for 1.5 h, and obtain polysilicic acid; S1-3: Mix the ball-milled anhydrous magnesium sulfate and the polysilicic acid according to a mass ratio of 1:5, ultrasonically stir at 60°C for 2-3 h, wash with deionized water for three times, separate the solid precipitate in a high-speed centrifuge, and dry in a vacuum drying oven at 60°C for 12 h to obtain the modified magnesium sulfate; The surfactant is one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, sodium coco-hydroxyethyl sulfonate, and sodium α-alkenyl sulfonate. The stabilizing regulator is one or more of citric acid, sulfamic acid, malic acid, and fumaric acid.

2. A foam-type organic chlorine disinfectant according to claim 1, characterized by The organic chlorine is one or both of sodium dichloroisocyanurate and trichloroisocyanuric acid.

3. A foam-type organic chlorine disinfectant according to claim 1, characterized by, The concentration of the sulfuric acid solution in S1-2 is 2M.

4. A process for the preparation of a foamed organic chlorine disinfectant as claimed in any one of claims 1 to 3, characterized in that, The preparation method of the organic chlorine disinfectant is as follows: S6-1: Mix the surfactant and sodium dimethyl benzene sulfonate according to the formula to obtain a wrapping system A; S6-2: Mix the organic chlorine and the modified magnesium sulfate to obtain a wrapping system B; S6-3: Mix the wrapping system A, the wrapping system B, and the stabilizing regulator for 30 min to obtain the organic chlorine disinfectant.

5. Use of a foam-type organic chlorine disinfectant as claimed in any one of claims 1 to 3, characterized in that, The disinfectant is applied to disinfect a farm, the disinfectant is mixed with deionized water according to a volume ratio of 1:499 to obtain a disinfectant diluent, the disinfectant diluent is sprayed on the surface of an object to be disinfected using a high-pressure cleaning device with a foaming gun head, and the disinfectant diluent forms a foam on the surface of the object and adheres to the surface of the object.

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