RU2554091C1 - Sodium hypochlorite-based alkaline washing and disinfecting foamy agent - Google Patents

Abstract

FIELD: chemistry.

SUBSTANCE: described alkaline washing and disinfecting foamy agent contains an alkali metal hydroxide based on a nonionic surfactant and water. Alkyldimethylamine oxide is used as the main nonionic surfactant. The agent additionally includes a foam-enhancing surfactant in the form of a sodium salt of a sulphonated linear hydrocarbon and sodium hypochloride solution with active chlorine concentration of 180 g/l. The agent has the following ratio of ingredients, wt % (with respect to pure substances): alkali metal hydroxide 15-20, alkyldimethylamine oxide 5-10, sodium salt of a sulphonated linear hydrocarbon 3-5, sodium hypochloride solution with active chlorine concentration of 180 g/l 20-50, water - the balance. The alkali metal hydroxide used in the alkaline cleaning agent can be sodium hydroxide or a mixture of sodium hydroxide with potassium hydroxide in an arbitrary ratio.

EFFECT: higher washing and disinfecting capacity of the agent owing to improved foaming and use of sodium hypochlorite.

3 cl, 3 ex

Description

The invention relates to the field of chemistry, namely to technical detergents used in the food industry, processing industry and the social sphere for cleaning and disinfection of floors, walls of industrial premises, equipment, pipelines, containers and conveyor belts.

Known detergent and disinfectant foam containing alkali metal hydroxide, the main nonionic surfactant and water (patent RU 2165961, IPC C11D 3/48, 06/11/1997).

This detergent is taken as a prototype, as the closest to the invention in terms of technical nature and the achieved result.

The disadvantage of the prototype is the low washing and disinfecting ability of the product when used to clean fat contaminants of complex composition.

The technical result from the use of the invention is to increase the washing and disinfecting ability of the product by increasing the foaming and disinfecting properties of the product.

Alkaline detergent and disinfectant foam created on the basis of sodium hypochlorite known as one of the highest antibacterial activity, showing their qualities thanks to hypochlorite ion, which kills microorganisms very quickly and already in very low concentrations.

Below are the general and particular essential features characterizing the causal relationship of the utility model with the specified technical result.

Alkaline detergent and disinfectant foam based on sodium hypochlorite, containing alkali metal hydroxide, the main nonionic surfactant and water. Alkyldimethylamine oxide was used as the main nonionic surfactant, an additional reinforcing foaming surfactant in the form of a sodium salt of a sulfonated linear hydrocarbon and a solution of sodium hypochlorite with a concentration of active chlorine of 180 g / l were introduced into the agent. The tool has the following ratio of ingredients in wt.% (In terms of pure substances):

alkali metal hydroxide 15-20 alkyldimethylamine oxide 5-10 sodium sulfonated linear hydrocarbon salt 3-5 sodium hypochlorite solution with concentration active chlorine 180 g / l 20-50 water rest

As alkali metal hydroxide, caustic soda or its mixture with potassium hydroxide in an arbitrary ratio can be used.

Comparison of the claimed technical solution with the prior art known from the scientific, technical and patent documentation as of the priority date in the main and related sections did not reveal a tool that has features that are identical to all the features contained in the claims proposed by the applicant, including the purpose of the application. That is, the set of essential features of the claimed solution was not previously known and is not identical to any known technical solutions, therefore, it meets the condition of patentability “novelty”.

This technical solution is industrially applicable, since its purpose is indicated in the description of the application and the title of the invention, it can be carried out industrially and used for cleaning and disinfection of food equipment, feasibly and reproducibly, and the distinguishing features of the device allow to obtain the desired technical result, i.e. . are significant.

The invention, as described in each of the claims, can be carried out using the tools and methods described in patent RU 2129591, which became public until the priority date of the invention.

Therefore, the claimed technical solution meets the condition of patentability "industrial applicability".

In addition, the compliance of the invention with the condition of patentability "industrial applicability" is confirmed by the following examples of implementation of the technical solution.

The analysis of known technical solutions in the art showed that the proposed technical solution does not follow explicitly from the prior art for the specialist, since solutions having features matching the distinguishing features of the invention have not been identified and the influence of the distinctive features on the application materials specified is not confirmed. technical result. Those. the claimed solution has signs that are not found in the known technical solutions, and the use of these signs in the claimed combination of essential features makes it possible to obtain a new technical result - an increase in antibacterial properties and performance due to improved efficiency of the ratio of detergent composition and concentration of sodium hypochlorite in liquid form ingredients, therefore, the proposed technical solution could be obtained only through a creative approach obvious to one of ordinary skill in the art, ie, has an inventive step in comparison with the existing level of technology.

To achieve optimal results when cleaning and disinfecting food equipment, it is recommended to use water with a temperature of 20-60 ° C and a detergent concentration of 0.5-5%, depending on the degree of contamination of the object.

Dosing of dry components takes place on a platform process balance.

Method of preparation: the calculated amount of water is fed into a container equipped with a mixing device, after which caustic soda is charged into this container in accordance with the recipe. Sodium sulfonated linear hydrocarbon, alkyldimethylamine oxide, is added to the hot solution. The solution is allowed to cool to 25-30 ° C and sodium hypochlorite is added. During the entire preparation, the mixer should ensure complete mixing without stagnant zones.

The invention is illustrated by the presented examples in accordance with the regulatory documents of Rospatent.

During the study, the content of active chlorine was estimated, which is the main indicator for assessing the washing and disinfecting ability of the drug. Studies were conducted on the most famous acid-base titration.

In the course of the study, foam stability was assessed according to the most famous Rolle Miles test within specified limits. It is known from the prior art and does not require separate practical confirmation.

For the study, the following foaming parameter was determined: 100 ml of a 5% solution of the test substance in water was foamed by shaking in a 250 ml cylinder with a lid (solution temperature 20 ° C), put on the table. Measure the height of the foam immediately and after one minute.

Example 1

The ratio of components, wt.%, The following:

sodium hydroxide fifteen sodium sulfonated linear hydrocarbon salt 3 alkyldimethylamine oxide 5 sodium hypochlorite solution with concentration active chlorine 180 g / l thirty water rest

As a result of the study of the detergent in Example 1, the following values of the parameter of foaming of a 5% solution of the agent in water (100 ml) were established — the foam height immediately 220 mm, after 1 minute - 150 mm.

Therefore, the composition of example 1 for foaming meets the requirements for detergents used for effective washing due to the stable retention of the composition on vertical surfaces with external foam cleaning of floors, walls, equipment.

Example 2

The ratio of components, wt.%, The following:

sodium hydroxide twenty sodium sulfonated linear hydrocarbon salt 5 alkyldimethylamine oxide 10 sodium hypochlorite solution with concentration active chlorine 180 g / l fifty water rest

As a result of the study of detergent in the composition of Example 1, the following values of the parameter of foaming of a 5% solution of the agent in water (100 ml) were established — the foam height immediately 205 mm, after 1 minute - 140 mm.

Therefore, the composition of example 1 for foaming meets the requirements for detergents used for effective washing due to the stable retention of the composition on vertical surfaces with external foam cleaning of floors, walls, equipment.

Example 3

The ratio of components, wt. %, the following:

sodium hydroxide 17 sodium sulfonated linear hydrocarbon salt four alkyldimethylamine oxide 7 sodium hypochlorite solution with concentration active chlorine 180 g / l 40 water rest

As a result of the study of detergent in the composition of example 1, the following values of the parameter of foaming of a 5% solution of the agent in water (100 ml) were established — the foam height immediately 187 mm, after 1 minute - 132 mm.

Therefore, the composition of example 1 for foaming meets the requirements for detergents used for effective washing due to the stable retention of the composition on vertical surfaces with external foam cleaning of floors, walls, equipment.

The use of this invention will expand operational capabilities by increasing foaming for stable retention of the composition on vertical surfaces with external foam cleaning of floors, walls, tools, equipment. In addition, the presence in the same composition of two types of alkalis - sodium hydroxide and potassium hydroxide - gives a synergistic effect, so this detergent can be used in low concentrations while maintaining a high washing effect.

The use of a disinfecting component - sodium hypochlorite in predetermined intervals - allows you to provide a disinfecting effect from a wide range of pathogens, microorganisms and fungi.

Claims (3)

1. Alkaline detergent and disinfectant foam based on sodium hypochlorite, containing alkali metal hydroxide, the main nonionic surfactant and water, characterized in that as the main nonionic surfactant is used alkyldimethylamine oxide, an additional reinforcing foaming surfactant in the form of a sulfonated linear sodium salt is introduced into the tool hydrocarbon and sodium hypochlorite solution with a concentration of active chlorine of 180 g / l, and the product has the following ratio of ingredients in wt.% (in terms of pure substances):
alkali metal hydroxide 15-20 alkyldimethylamine oxide 5-10 sodium sulfonated linear hydrocarbon salt 3-5 sodium hypochlorite solution with concentration active chlorine 180 g / l 20-50 water rest 2. Alkaline detergent and disinfectant foam according to claim 1, characterized in that caustic soda is used as the alkali metal hydroxide. 3. Alkaline detergent and disinfectant foam according to claim 1, characterized in that a mixture of caustic soda with potassium hydroxide in an arbitrary ratio is used as an alkali metal hydroxide.