CN114250004A - Environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating and preparation method thereof - Google Patents

Abstract

The invention discloses an environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating which is prepared from the following raw materials in parts by mass: 200 portions and 300 portions of shell powder; the invention also provides a preparation method of the environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating, which comprises the following steps: s1, preparing materials: the worker prepares the raw materials and prepares them into the desired materials. According to the invention, new materials are replaced and added into the traditional materials for paint production, the environment-friendly, antibacterial, antiviral and mildewproof performances of the paint are improved, the use of natural materials is increased, the chemical raw materials used in the past are reduced, formaldehyde can be effectively adsorbed and converted into harmless substances, the antibacterial and antivirus effects can be well achieved under visible light and ultraviolet light, the nano-silver can be used for strongly resisting bacteria and killing viruses under the condition without a light source, the natural materials can also be used for preventing mildew due to mildew breeding, the antibacterial and antivirus effects can be guaranteed around the clock, and the indoor environment quality is improved.

Description

Environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating and preparation method thereof

Technical Field

The invention relates to the technical field of interior wall coatings, in particular to an environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating and a preparation method thereof.

Background

In the past decade, with the development of the real estate industry in China, the construction industry in China has been continuously, healthily and rapidly developed. The paint is an important material in building decoration engineering, and becomes a subsidiary industry with the fastest growth of the building industry due to the economy, the aesthetic property and the safety. The building coating has unlimited potential in integrating with the development of green buildings. The application of the energy-saving building coating has a boosting effect on the development of green buildings, for example, the building exterior wall coating can replace a light curtain glass wall which is used in a large amount in cities, so that the light pollution is reduced, and the use industry of the exterior wall heat-insulating material can achieve the effect of saving energy. The application of building coatings, especially building energy-saving coatings, is against the original intention of developing green buildings.

The interior wall coating is commonly called interior wall latex paint, and is an interior wall decoration material prepared by taking synthetic resin emulsion as a main film forming substance, taking water as a dispersion medium, adding pigment, filler and auxiliary agent, and dispersing and grinding.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides an environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating and a preparation method thereof.

In order to achieve the purpose, the invention adopts the following technical scheme:

an environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating is composed of the following raw materials in parts by mass: 300 parts of shell powder, 10-20 parts of diatomite, 10-20 parts of bamboo charcoal powder, 8-15 parts of modified sol, 5-8 parts of formaldehyde capture agent, 5-8 parts of inorganic antibacterial agent, 5-8 parts of sterilization mildew preventive, 3-6 parts of nano titanium dioxide silver chelating agent, 550 parts of water 450 ion-containing agent, 3-6 parts of alkaloid, 3-6 parts of dispersing agent, 2-3 parts of sulfonated oil, 2-6 parts of coating antifoaming agent, 140 parts of 120 ion-containing agent, 2-3 parts of talcum powder, 300 parts of acrylic emulsion 150 ion-containing agent, 10-30 parts of viscous agent, 1-2 parts of ethanol and 2-4 parts of preservative.

Preferably, for better formaldehyde adsorption and indoor environment condition improvement, the formaldehyde trapping agent adopts one or more of 1-methyl-1H-imidazole-5-formylhydrazine, 2- (2-bromo-4, 5-dichloro-1H-imidazole-1-yl) acethydrazide and 1- (1H-indole-3-carbonyl) -1H-imidazole as a mixture.

Preferably, in order to further improve the antibacterial ability of the coating, the inorganic antibacterial agent is one or a mixture of more of silver phosphate, silver tungstate and silver bromide.

Preferably, in order to effectively sterilize and improve the mildew resistance of the coating, the sterilization mildew preventive is a mixture of a garden balsam stem water extract, an usnea extract, a pseudolarix extract, an ampelopsis japonica water extract, a poria cocos water extract and bamboo vinegar, and the weight ratio of the garden balsam stem water extract, the usnea extract, the pseudolarix extract, the ampelopsis japonica water extract, the poria cocos water extract and the bamboo vinegar is 2-10: 2-8: 1-3: 2-6: 3-9: 10-25.

Preferably, the concentration of ethanol is 80-90% for better ease of compatibility and to promote freeze resistance and leveling.

Preferably, in order to better improve the sterilization efficiency and perform more effective sterilization, the modified sol is a mixture of silica sol, silver sol and graphene oxide.

Preferably, in order to facilitate the selection and preparation of the raw materials, the raw materials of the shell powder are any one or a mixture of more of mussel shell, scallop shell, oyster shell, flower shell and corbicula fluminea shell.

The invention also provides a preparation method of the environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating, which comprises the following steps:

s1, preparing materials: preparing raw materials by workers, and preparing the raw materials into required materials;

s2, crushing materials: placing the prepared agglomerated solid material into a crusher for crushing;

s3, screening raw materials: screening the crushed materials, and crushing the materials with larger particles again until the materials are screened;

s4, weighing and proportioning the raw materials: weighing the required materials according to the required parts by weight;

s5, adding modified sol, a formaldehyde capture agent, an inorganic antibacterial agent, a sterilization mildew preventive, a nano titanium dioxide silver chelating agent, water, an alkaloid, a dispersing agent, sulfonated oil, a coating defoaming agent and a preservative into a mixing container, stirring at the rotation speed of 400-600 revolutions per minute for 20-25 minutes to form a colloidal solution;

s6, adding shell powder, diatomite and bamboo charcoal powder into the colloidal solution prepared in the S5, continuously stirring at the stirring speed of 700 and 1000 revolutions per minute for 20-30 minutes;

s7, adding titanium dioxide, talcum powder, acrylic emulsion, thickening agent and ethanol into the solution of S6, continuously stirring at the rotation speed of 700 and 800 revolutions per minute for 15-20 minutes;

s8, screening the solution prepared in the S7 to remove coarse particles and impurities.

Compared with the prior art, the invention has the beneficial effects that:

1. the shell powder contains a plurality of small holes, once the volatile substance formaldehyde enters the small holes, the calcium carbonate peculiar to the shells can decompose the volatile substance formaldehyde into water and carbon dioxide which are harmless to human bodies; the silver ions and the graphene oxide have antibacterial and antiviral functions, and the silver ions and the graphene oxide have synergistic effects, so that the antibacterial and antiviral effects are excellent; the graphene oxide is linked on the silica sol molecule in a chemical bond form, so that the antibacterial and antiviral effects are durable; the relevant detection reports indicate that: the antibacterial rate of the antibacterial agent on escherichia coli, staphylococcus aureus and klebsiella pneumoniae can reach more than 99.9 percent, and the antibacterial rate of candida albicans can reach more than 90 percent; the adsorption rate to the influenza A H1N1 virus reaches more than 99.99 percent;

2. the sterilization mildew preventive is prepared by adopting plant extraction, is more environment-friendly, has the functions of sterilization and antivirus under visible light and ultraviolet light of the nano titanium dioxide, and degrading bacteria and organic matters, and also has the functions of strong antibacterial and virus killing of the nano silver without a light source; the porous structure of the diatomite and the honeycombed micropores of the bamboo charcoal powder absorb moisture and ventilate and can absorb and remove most of indoor harmful gases such as formaldehyde, hydrogen sulfide and the like, and the diatomite and the bamboo charcoal powder have antibacterial and bacteriostatic effects; even in plum rain season or when the humidity of the air is too high for a long time, the wall surface cannot generate mildew and bacteria breeding, and cannot change color or fall off;

3. the invention also provides a production method of the modified interior wall coating, which has clear steps, used equipment and operation mode, is convenient for workers to operate quickly, can well ensure operation and is beneficial to ensuring the production quality of products;

in conclusion, the environment-friendly, antibacterial, antiviral and mildewproof performance of the coating is improved by replacing and adding new materials for traditional coating production, the use of natural materials is increased, the chemical raw materials used in the past are reduced, formaldehyde can be effectively adsorbed and converted into harmless substances, the sterilization and antivirus effects can be well achieved under visible light and ultraviolet light, the nano-silver can be used for strongly resisting bacteria and killing viruses under the condition without a light source, the natural materials can also prevent mildew due to mildew breeding, the antibacterial and antivirus effects can be guaranteed around the clock, and the indoor environment quality is improved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.

Example 1

An environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating is composed of the following raw materials in parts by mass: 200 portions and 300 portions of shell powder, wherein the shell powder is prepared from one or a mixture of more of mussel shell, scallop shell, oyster shell, flower shell and corbicula fluminea shell; the shell powder contains a plurality of small holes, once the volatile substance formaldehyde enters the small holes, the calcium carbonate peculiar to the shells can decompose the volatile substance formaldehyde into water and carbon dioxide which are harmless to human bodies; the shell powder is prepared by soaking scallop shells in tap water at 30-35 ℃ for 3h, washing the scallop shells by a cleaning agent for 0.3h respectively, sending the scallop shells into a dryer for drying and dehydration at the temperature of 350-400 ℃, performing dust removal treatment by a dust remover, then sending the scallop shells into a calcining dryer for calcining at the calcining catalysis temperature of 850-1000 ℃, cooling the calcined scallop shells in a cooling system, crushing, performing superfine grinding and removing dust; 10-20 parts of diatomite, 10-20 parts of bamboo charcoal powder, a porous structure of the diatomite and honeycomb micropores of the bamboo charcoal powder, and the diatomite, the bamboo charcoal powder and the bamboo charcoal powder have the advantages of moisture absorption and ventilation, capability of adsorbing and removing most of indoor harmful gases such as formaldehyde, hydrogen sulfide and the like, and antibiosis and bacteriostasis; even in plum rain season or when the humidity of the air is too high for a long time, the wall surface cannot generate mildew and bacteria breeding, and cannot change color or fall off; 8-15 parts of modified sol, wherein the modified sol is a mixture of silica sol, silver sol and graphene oxide; the silver ions and the graphene oxide have antibacterial and antiviral functions, and the silver ions and the graphene oxide have synergistic effects, so that the antibacterial and antiviral effects are excellent; the graphene oxide is linked on the silica sol molecule in a chemical bond form, so that the antibacterial and antiviral effects are durable; the relevant detection reports indicate that: the antibacterial rate of the antibacterial agent on escherichia coli, staphylococcus aureus and klebsiella pneumoniae can reach more than 99.9 percent, and the antibacterial rate of candida albicans can reach more than 90 percent; the adsorption rate to the influenza A H1N1 virus reaches more than 99.99 percent; 5-8 parts of formaldehyde capture agent, wherein the formaldehyde capture agent is one or a mixture of more of 1-methyl-1H-imidazole-5-formylhydrazine, 2- (2-bromo-4, 5-dichloro-1H-imidazole-1-yl) acethydrazide and 1- (1H-indole-3-carbonyl) -1H-imidazole; 5-8 parts of an inorganic antibacterial agent, wherein the inorganic antibacterial agent is one or a mixture of more of silver phosphate, silver tungstate and silver bromide, and silver ions have antibacterial and antiviral functions; 5-8 parts of a sterilization mildew preventive, wherein the sterilization mildew preventive is a mixture of a garden balsam stem water extract, an usnea extract, a pseudolarix extract, an ampelopsis japonica water extract, a poria cocos water extract and bamboo vinegar, and the weight ratio of the garden balsam stem water extract, the usnea extract, the pseudolarix extract, the ampelopsis japonica water extract, the poria cocos water extract and the bamboo vinegar is (2-10): 2-8: 1-3: 2-6: 3-9: 10-25; 3-6 parts of nano titanium dioxide silver chelating agent, the nano titanium dioxide has the functions of sterilizing and resisting virus and degrading bacteria and organic matters under the visible light and ultraviolet light, and also has the functions of strongly resisting bacteria and killing viruses of nano silver under the condition without a light source; 550 parts of water 450-90%, 3-6 parts of alkaloid, 3-6 parts of dispersing agent, 2-3 parts of sulfonated oil, 2-6 parts of coating defoamer, 140 parts of titanium pigment 120-90%, 2-3 parts of talcum powder, 300 parts of acrylic emulsion 150-30%, 10-30 parts of thickening agent and 1-2 parts of ethanol, wherein the concentration of the ethanol is 80-90%; 2-4 parts of a preservative.

The invention also provides a preparation method of the environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating, which comprises the following steps:

s1, preparing materials: preparing raw materials by workers, and preparing the raw materials into required materials;

s2, crushing materials: placing the prepared agglomerated solid material into a crusher for crushing;

s3, screening raw materials: screening the crushed materials, and crushing the materials with larger particles again until the materials are screened;

s4, weighing and proportioning the raw materials: weighing the required materials according to the required parts by weight;

s5, adding modified sol, a formaldehyde capture agent, an inorganic antibacterial agent, a sterilization mildew preventive, a nano titanium dioxide silver chelating agent, water, an alkaloid, a dispersing agent, sulfonated oil, a coating defoaming agent and a preservative into a mixing container, stirring at the rotation speed of 400-600 revolutions per minute for 20-25 minutes to form a colloidal solution;

s6, adding shell powder, diatomite and bamboo charcoal powder into the colloidal solution prepared in the S5, continuously stirring at the stirring speed of 700 and 1000 revolutions per minute for 20-30 minutes;

s7, adding titanium dioxide, talcum powder, acrylic emulsion, thickening agent and ethanol into the solution of S6, continuously stirring at the rotation speed of 700 and 800 revolutions per minute for 15-20 minutes;

s8, screening the solution prepared in the S7 to remove coarse particles and impurities.

Example 2

An environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating is composed of the following raw materials in parts by mass: 250 parts of shell powder, wherein the shell powder is prepared from one or more of mussel shell, scallop shell, oyster shell, flower shell and corbicula fluminea shell; the shell powder contains a plurality of small holes, once the volatile substance formaldehyde enters the small holes, the calcium carbonate peculiar to the shells can decompose the volatile substance formaldehyde into water and carbon dioxide which are harmless to human bodies; the shell powder is prepared by soaking scallop shells in tap water at 33 ℃ for 3h, washing with a cleaning agent for 0.3h respectively, drying and dehydrating at 380 ℃ in a dryer, dedusting by a deduster, calcining in a calcining dryer at 900 ℃ and cooling the calcined shells in a cooling system, crushing, superfine grinding and dedusting; 15 parts of diatomite, 15 parts of bamboo charcoal powder, a porous structure of the diatomite and honeycomb micropores of the bamboo charcoal powder, absorb moisture and ventilate, can adsorb and remove most of indoor harmful gases such as formaldehyde, hydrogen sulfide and the like, and has antibacterial and bacteriostatic effects; even in plum rain season or when the humidity of the air is too high for a long time, the wall surface cannot generate mildew and bacteria breeding, and cannot change color or fall off; 12 parts of modified sol, wherein the modified sol is a mixture of silica sol, silver sol and graphene oxide; the silver ions and the graphene oxide have antibacterial and antiviral functions, and the silver ions and the graphene oxide have synergistic effects, so that the antibacterial and antiviral effects are excellent; the graphene oxide is linked on the silica sol molecule in a chemical bond form, so that the antibacterial and antiviral effects are durable; the relevant detection reports indicate that: the antibacterial rate of the antibacterial agent on escherichia coli, staphylococcus aureus and klebsiella pneumoniae can reach more than 99.9 percent, and the antibacterial rate of candida albicans can reach more than 90 percent; the adsorption rate to the influenza A H1N1 virus reaches more than 99.99 percent; 7 parts of formaldehyde capture agent, wherein the formaldehyde capture agent is one or a mixture of more of 1-methyl-1H-imidazole-5-formylhydrazine, 2- (2-bromo-4, 5-dichloro-1H-imidazole-1-yl) acethydrazide and 1- (1H-indole-3-carbonyl) -1H-imidazole; 7 parts of an inorganic antibacterial agent, wherein the inorganic antibacterial agent is one or a mixture of more of silver phosphate, silver tungstate and silver bromide, and silver ions have antibacterial and antiviral functions; 7 parts of a sterilization and mildew-proof agent, wherein the sterilization and mildew-proof agent is a mixture of a garden balsam stem water extract, an usnea extract, a pseudolarix extract, an ampelopsis japonica water extract, a poria cocos water extract and bamboo vinegar, and the weight ratio of the garden balsam stem water extract, the usnea extract, the pseudolarix extract, the ampelopsis japonica water extract, the poria cocos water extract and the bamboo vinegar is 2-10: 2-8: 1-3: 2-6: 3-9: 10-25; 7 parts of nano titanium dioxide silver chelating agent, the nano titanium dioxide has the functions of sterilizing and resisting virus under visible light and ultraviolet light, degrading bacteria and organic matters, and has the functions of strongly resisting bacteria and killing viruses of the nano silver without a light source; 500 parts of water, 5 parts of alkaloid, 4 parts of dispersing agent, 2.5 parts of sulfonated oil, 4 parts of coating antifoaming agent, 130 parts of titanium dioxide, 2.5 parts of talcum powder, 180 parts of acrylic emulsion, 20 parts of thickening agent and 1.5 parts of ethanol, wherein the concentration of the ethanol is 85%; and 3 parts of a preservative.

The invention also provides a preparation method of the environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating, which comprises the following steps:

s1, preparing materials: preparing raw materials by workers, and preparing the raw materials into required materials;

s2, crushing materials: placing the prepared agglomerated solid material into a crusher for crushing;

s3, screening raw materials: screening the crushed materials, and crushing the materials with larger particles again until the materials are screened;

s4, weighing and proportioning the raw materials: weighing the required materials according to the required parts by weight;

s5, adding modified sol, a formaldehyde capture agent, an inorganic antibacterial agent, a sterilization mildew preventive, a nano titanium dioxide silver chelating agent, water, alkaloid, a dispersing agent, sulfonated oil, a coating defoaming agent and a preservative into a mixing container, stirring at the rotating speed of 500 revolutions per minute for 23 minutes to form a colloidal solution;

s6, adding shell powder, diatomite and bamboo charcoal powder into the colloidal solution prepared in the S5, continuously stirring at the stirring speed of 850 revolutions per minute for 25 minutes;

s7, adding titanium dioxide, talcum powder, acrylic emulsion, thickening agent and ethanol into the solution of S6, continuously stirring at the rotation speed of 750 revolutions per minute for 17 minutes;

s8, screening the solution prepared in the S7 to remove coarse particles and impurities.

Embodiment 2 compares with embodiment 1, and this embodiment has carried out each material component further clear and definite to guarantee that the staff that can be fine carries out accurate weighing, the definite determination of the proportion between the assurance material that can be fine makes intensive mixing between the material better, and the data of each step in the clear production, the quality of further promotion and stable production guarantees that the coating has better environmental protection antibacterial antiviral mould proof ability.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. An environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating is characterized by comprising the following raw materials in parts by mass: 300 parts of shell powder, 10-20 parts of diatomite, 10-20 parts of bamboo charcoal powder, 8-15 parts of modified sol, 5-8 parts of formaldehyde capture agent, 5-8 parts of inorganic antibacterial agent, 5-8 parts of sterilization mildew preventive, 3-6 parts of nano titanium dioxide silver chelating agent, 550 parts of water 450 ion-containing agent, 3-6 parts of alkaloid, 3-6 parts of dispersing agent, 2-3 parts of sulfonated oil, 2-6 parts of coating antifoaming agent, 140 parts of 120 ion-containing agent, 2-3 parts of talcum powder, 300 parts of acrylic emulsion 150 ion-containing agent, 10-30 parts of viscous agent, 1-2 parts of ethanol and 2-4 parts of preservative.

2. The environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating according to claim 1, characterized in that: the formaldehyde trapping agent is one or more of 1-methyl-1H-imidazole-5-formylhydrazine, 2- (2-bromo-4, 5-dichloro-1H-imidazole-1-yl) acethydrazide and 1- (1H-indole-3-carbonyl) -1H-imidazole.

3. The environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating according to claim 1, characterized in that: the inorganic antibacterial agent is one or more of silver phosphate, silver tungstate and silver bromide.

4. The environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating according to claim 1, characterized in that: the sterilization and mildew-proof agent is a mixture of a garden balsam stem water extract, an usnea extract, a pseudolarix extract, an ampelopsis japonica water extract, a poria cocos water extract and bamboo vinegar, and the weight ratio of the garden balsam stem water extract, the usnea extract, the pseudolarix extract, the ampelopsis japonica water extract, the poria cocos water extract and the bamboo vinegar is (2-10): 2-8: 1-3: 2-6: 3-9: 10-25.

5. The environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating according to claim 1, characterized in that: the concentration of ethanol is 80-90%.

6. The environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating according to claim 1, characterized in that: the modified sol is a mixture of silica sol, silver sol and graphene oxide.

7. The environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating according to claim 1, characterized in that: the shell powder is prepared from one or more of mussel shell, scallop shell, oyster shell, flower shell, and corbicula fluminea shell.

8. The invention also provides a preparation method of the environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating, which is characterized by comprising the following steps of:

s1, preparing materials: preparing raw materials by workers, and preparing the raw materials into required materials;

s2, crushing materials: placing the prepared agglomerated solid material into a crusher for crushing;

s3, screening raw materials: screening the crushed materials, and crushing the materials with larger particles again until the materials are screened;

s4, weighing and proportioning the raw materials: weighing the required materials according to the required parts by weight;

s5, adding modified sol, a formaldehyde capture agent, an inorganic antibacterial agent, a sterilization mildew preventive, a nano titanium dioxide silver chelating agent, water, an alkaloid, a dispersing agent, sulfonated oil, a coating defoaming agent and a preservative into a mixing container, stirring at the rotation speed of 400-600 revolutions per minute for 20-25 minutes to form a colloidal solution;

s6, adding shell powder, diatomite and bamboo charcoal powder into the colloidal solution prepared in the S5, continuously stirring at the stirring speed of 700 and 1000 revolutions per minute for 20-30 minutes;

s7, adding titanium dioxide, talcum powder, acrylic emulsion, thickening agent and ethanol into the solution of S6, continuously stirring at the rotation speed of 700 and 800 revolutions per minute for 15-20 minutes;

s8, screening the solution prepared in the S7 to remove coarse particles and impurities.