CN116676008A - Water-based antibacterial antistatic coating and preparation method thereof - Google Patents
Water-based antibacterial antistatic coating and preparation method thereof Download PDFInfo
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- CN116676008A CN116676008A CN202310603488.6A CN202310603488A CN116676008A CN 116676008 A CN116676008 A CN 116676008A CN 202310603488 A CN202310603488 A CN 202310603488A CN 116676008 A CN116676008 A CN 116676008A
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 76
- 238000000576 coating method Methods 0.000 title claims abstract description 67
- 239000011248 coating agent Substances 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 44
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002270 dispersing agent Substances 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000003755 preservative agent Substances 0.000 claims abstract description 17
- 230000002335 preservative effect Effects 0.000 claims abstract description 17
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 13
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000839 emulsion Substances 0.000 claims abstract description 13
- 239000003822 epoxy resin Substances 0.000 claims abstract description 13
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 13
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 13
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 13
- 239000013530 defoamer Substances 0.000 claims abstract description 12
- 239000000654 additive Substances 0.000 claims abstract description 7
- 230000000996 additive effect Effects 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 81
- 239000000203 mixture Substances 0.000 claims description 63
- 238000000034 method Methods 0.000 claims description 36
- 230000008569 process Effects 0.000 claims description 35
- 238000006243 chemical reaction Methods 0.000 claims description 20
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 15
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 15
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 15
- 229910019142 PO4 Inorganic materials 0.000 claims description 13
- -1 fluorinated alkyl phosphates Chemical class 0.000 claims description 12
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 10
- GHXZTYHSJHQHIJ-UHFFFAOYSA-N Chlorhexidine Chemical compound C=1C=C(Cl)C=CC=1NC(N)=NC(N)=NCCCCCCN=C(N)N=C(N)NC1=CC=C(Cl)C=C1 GHXZTYHSJHQHIJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000003945 anionic surfactant Substances 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 10
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 10
- 229960003260 chlorhexidine Drugs 0.000 claims description 10
- 239000003085 diluting agent Substances 0.000 claims description 10
- 230000007935 neutral effect Effects 0.000 claims description 10
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- CHHHXKFHOYLYRE-UHFFFAOYSA-M 2,4-Hexadienoic acid, potassium salt (1:1), (2E,4E)- Chemical compound [K+].CC=CC=CC([O-])=O CHHHXKFHOYLYRE-UHFFFAOYSA-M 0.000 claims description 5
- BSWXAWQTMPECAK-UHFFFAOYSA-N 6,6-diethyloctyl dihydrogen phosphate Chemical class CCC(CC)(CC)CCCCCOP(O)(O)=O BSWXAWQTMPECAK-UHFFFAOYSA-N 0.000 claims description 5
- 239000005711 Benzoic acid Substances 0.000 claims description 5
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 5
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical class [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 5
- 235000010233 benzoic acid Nutrition 0.000 claims description 5
- 235000019445 benzyl alcohol Nutrition 0.000 claims description 5
- 239000001913 cellulose Chemical class 0.000 claims description 5
- 229920002678 cellulose Chemical class 0.000 claims description 5
- 229940051250 hexylene glycol Drugs 0.000 claims description 5
- QXLPXWSKPNOQLE-UHFFFAOYSA-N methylpentynol Chemical class CCC(C)(O)C#C QXLPXWSKPNOQLE-UHFFFAOYSA-N 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 235000010241 potassium sorbate Nutrition 0.000 claims description 5
- 239000004302 potassium sorbate Substances 0.000 claims description 5
- 229940069338 potassium sorbate Drugs 0.000 claims description 5
- 230000000845 anti-microbial effect Effects 0.000 claims description 2
- 235000021317 phosphate Nutrition 0.000 claims 1
- 239000010452 phosphate Substances 0.000 description 12
- 239000003973 paint Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 244000005700 microbiome Species 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 208000032400 Retinal pigmentation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Abstract
The invention discloses a water-based antibacterial antistatic coating and a preparation method thereof, belonging to the technical field of coatings, wherein the water-based antibacterial antistatic coating comprises the following raw materials in parts by weight: 20g-30g of water, 10g-14g of aqueous epoxy resin, 6g-8g of aqueous emulsion, 3g-5g of methacrylic acid, 2g-6g of butyl acrylate, 4g-8g of methyl silicone oil, 8g-12g of silicon dioxide, 6g-8g of dispersing agent, 3g-5g of defoamer, 1g-5g of film forming additive, 4g-8g of antibacterial liquid, 2g-6g of antistatic liquid and 8g-12g of preservative.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a water-based antibacterial antistatic coating and a preparation method thereof.
Background
The microorganism distribution in the environment is wide, the damage to various materials is ubiquitous, and meanwhile, various infectious diseases caused by the action of microorganisms cause great harm to human beings. Once the paint is contaminated by microorganisms, the microorganisms grow and multiply in a large amount in the paint once the growth conditions are proper, so that the paint system is unstable, and the phenomena of viscosity reduction, pigment precipitation, gas generation, pH change and the like are mainly shown. Once the coating formed after the coating is coated is corroded by microorganisms, bacterial plaques are easily formed on the surface of the coating, so that the coating loses adhesion capability, the coating can be seriously dropped off, the protection function of the coating is directly affected, the coating is attractive and tidy, and the practical value of the coating is reduced. A considerable amount of paint in the world loses practical value due to microbial spoilage, and huge economic loss is caused, so that the research of the antibacterial paint has great environmental protection and economic benefits, and the research and application of the antibacterial paint are greatly focused.
In addition, with the development of high and new technologies and the wide application of high polymer materials, the electrostatic problem is getting more and more attention in all aspects. Because the polymer material is a good electrical insulating material, the surface resistivity and the volume resistivity of the polymer material are large, a large amount of static charge is easy to accumulate, the production process is blocked, the product quality is reduced, and the accidents such as fire and explosion are caused by heavy weight. The antistatic coating can eliminate the harm of static electricity, and is widely applied due to simple production equipment, convenient construction and low cost. Antistatic paint is a functional paint which is developed rapidly in recent years, endows objects with conductivity, and is widely applied to the fields of electronics, construction, aviation, military and the like.
In the prior art, a few researches are carried out on a coating with antibacterial and antistatic effects at the same time, and although the coating with the antibacterial and antistatic effects at the same time can be obtained in a small amount of technical means, the coating is easy to corrode after being coated. Therefore, the invention discloses a water-based antibacterial antistatic coating and a preparation method thereof.
Disclosure of Invention
The present invention has been made in view of the above and/or problems occurring in the prior art of an aqueous antibacterial antistatic coating material and a method for preparing the same.
Therefore, the invention aims to provide a water-based antibacterial antistatic coating and a preparation method thereof, and the problems existing in the prior art can be solved by selecting water, water-based epoxy resin, water-based emulsion, methacrylic acid, butyl acrylate, methyl silicone oil, silicon dioxide, a dispersing agent, a defoaming agent, a film forming auxiliary agent, antibacterial liquid, antistatic liquid and a preservative as raw materials and then proportioning according to a certain proportion.
In order to solve the technical problems, according to one aspect of the present invention, the following technical solutions are provided:
an aqueous antimicrobial antistatic coating comprising raw materials, the raw materials comprising, by weight: 20-30 g of water, 10-14 g of aqueous epoxy resin, 6-8 g of aqueous emulsion, 3-5 g of methacrylic acid, 2-6 g of butyl acrylate, 4-8 g of methyl silicone oil, 8-12 g of silicon dioxide, 6-8 g of dispersing agent, 3-5 g of defoamer, 1-5 g of film forming additive, 4-8 g of antibacterial liquid, 2-6 g of antistatic liquid and 8-12 g of preservative.
As a preferable scheme of the water-based antibacterial antistatic coating, the water-based antibacterial antistatic coating comprises the following components: the dispersing agent is one or a mixture of more of triethylhexyl phosphoric acid, sodium dodecyl sulfate, methylpentanol and cellulose derivatives.
As a preferable scheme of the water-based antibacterial antistatic coating, the water-based antibacterial antistatic coating comprises the following components: the defoamer is one or a mixture of more of monoalkyl phosphate ester, dialkyl phosphate ester and fluorinated alkyl phosphate ester.
As a preferable scheme of the water-based antibacterial antistatic coating, the water-based antibacterial antistatic coating comprises the following components: the film forming additive is one or a mixture of more of benzyl alcohol BA, ethylene glycol, propylene glycol and hexylene glycol.
As a preferable scheme of the water-based antibacterial antistatic coating, the water-based antibacterial antistatic coating comprises the following components: the antibacterial liquid comprises the following raw materials in parts by weight: 7g-9g of chlorhexidine, 2g-4g of solvent, 1g-5g of diluent and 2g-4g of adhesive.
As a preferable scheme of the water-based antibacterial antistatic coating, the water-based antibacterial antistatic coating comprises the following components: the preparation process of the antibacterial liquid comprises the following steps:
process one: mixing chlorhexidine with a solvent;
and a second process: mixing a diluent and an adhesive;
and a third process: and mixing the mixture in the first process with the mixture in the second process to obtain the antibacterial liquid.
As a preferable scheme of the water-based antibacterial antistatic coating, the water-based antibacterial antistatic coating comprises the following components: the antistatic liquid comprises the following raw materials in parts by weight: 10g-12g of neutral silica sol, 6g-8g of anionic surfactant and 6g-12g of water.
As a preferable scheme of the water-based antibacterial antistatic coating, the water-based antibacterial antistatic coating comprises the following components: the preparation flow of the antistatic liquid is as follows:
the process is as follows: mixing neutral silica sol and water at 60-70 deg.c for 10-12 min;
a second flow: mixing the mixture in the first process with anionic surfactant at 40-45 deg.c for 8-10 min to obtain antistatic liquid.
As a preferable scheme of the water-based antibacterial antistatic coating, the water-based antibacterial antistatic coating comprises the following components: the preservative is one or a mixture of more of polytetrafluoroethylene, high chlorinated polyethylene, benzene, benzoic acid and potassium sorbate.
The preparation method of the water-based antibacterial antistatic coating comprises the following specific steps:
step one: placing water, aqueous epoxy resin and aqueous emulsion into a reaction kettle for mixing, wherein the mixing temperature is 72-76 ℃ and the mixing time is 4-8 min, so as to obtain a mixture A;
step two: placing methacrylic acid, butyl acrylate and methyl silicone oil into a reaction kettle for mixing, wherein the mixing temperature is 68-78 ℃, and the mixing time is 12-14 min, so that a mixture B is obtained;
step three: putting the mixture A, the mixture B, silicon dioxide, a dispersing agent, a defoaming agent and a film-forming auxiliary agent into a reaction kettle for mixing, wherein the mixing temperature is 40-48 ℃, and the mixing time is 22-26 min, so that a mixture C is obtained;
step four: and (3) placing the mixture C, the antibacterial liquid, the antistatic liquid and the preservative into a reaction kettle for mixing, wherein the mixing temperature is 52-55 ℃, and the mixing time is 22-26 min, so that the coating is obtained.
Compared with the prior art:
the coating formed by the coating with the antibacterial and antistatic effects at present can be easily corroded, and the service life of the coating can be greatly prolonged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below.
Example 1:
the invention provides a water-based antibacterial antistatic coating, which comprises the following raw materials in parts by weight: 20g of water, 10g of aqueous epoxy resin, 6g of aqueous emulsion, 3g of methacrylic acid, 2g of butyl acrylate, 4g of methyl silicone oil, 8g of silicon dioxide, 6g of dispersing agent, 3g of defoamer, 1g of film forming additive, 4g of antibacterial solution, 2g of antistatic solution and 8g of preservative;
the dispersing agent is one or a mixture of more of triethylhexyl phosphoric acid, sodium dodecyl sulfate, methylpentanol and cellulose derivatives;
the defoamer is one or a mixture of a plurality of mono-alkyl phosphate, dialkyl phosphate and fluorinated alkyl phosphate;
the film forming auxiliary agent is one or a mixture of more of benzyl alcohol BA, ethylene glycol, propylene glycol and hexylene glycol;
the antibacterial liquid comprises the following raw materials in parts by weight: 7g of chlorhexidine, 2g of solvent, 1g of diluent and 2g of adhesive;
the preparation process of the antibacterial liquid comprises the following steps:
process one: mixing chlorhexidine with a solvent;
and a second process: mixing a diluent and an adhesive;
and a third process: mixing the mixture in the first process with the mixture in the second process to obtain an antibacterial liquid;
the antistatic liquid comprises the following raw materials in parts by weight: 10g of neutral silica sol, 6g of anionic surfactant and 6g of water;
the preparation process of the antistatic liquid comprises the following steps:
the process is as follows: mixing neutral silica sol and water at 60 deg.c for 10min;
a second flow: mixing the mixture in the first process with an anionic surfactant at a temperature of 40 ℃ for 8min to obtain an antistatic liquid;
the preservative is one or a mixture of more than one of polytetrafluoroethylene, high chlorinated polyethylene, benzene, benzoic acid and potassium sorbate.
The preparation method of the water-based antibacterial antistatic coating comprises the following specific steps:
step one: placing water, aqueous epoxy resin and aqueous emulsion into a reaction kettle for mixing, wherein the mixing temperature is 72 ℃, and the mixing time is 4 minutes, so that a mixture A is obtained;
step two: placing methacrylic acid, butyl acrylate and methyl silicone oil into a reaction kettle for mixing, wherein the mixing temperature is 68 ℃, and the mixing time is 12 minutes, so that a mixture B is obtained;
step three: putting the mixture A, the mixture B, silicon dioxide, a dispersing agent, a defoaming agent and a film-forming auxiliary agent into a reaction kettle for mixing, wherein the mixing temperature is 40 ℃, and the mixing time is 22min, so that a mixture C is obtained;
step four: and (3) putting the mixture C, the antibacterial solution, the antistatic solution and the preservative into a reaction kettle for mixing at the temperature of 52 ℃ for 22min, so as to obtain the coating.
Example 2:
the invention provides a water-based antibacterial antistatic coating, which comprises the following raw materials in parts by weight: 25g of water, 12g of aqueous epoxy resin, 7g of aqueous emulsion, 4g of methacrylic acid, 4g of butyl acrylate, 6g of methyl silicone oil, 10g of silicon dioxide, 7g of dispersing agent, 4g of defoamer, 3g of film forming additive, 6g of antibacterial solution, 4g of antistatic solution and 10g of preservative;
the dispersing agent is one or a mixture of more of triethylhexyl phosphoric acid, sodium dodecyl sulfate, methylpentanol and cellulose derivatives;
the defoamer is one or a mixture of a plurality of mono-alkyl phosphate, dialkyl phosphate and fluorinated alkyl phosphate;
the film forming auxiliary agent is one or a mixture of more of benzyl alcohol BA, ethylene glycol, propylene glycol and hexylene glycol;
the antibacterial liquid comprises the following raw materials in parts by weight: 8g of chlorhexidine, 3g of solvent, 3g of diluent and 3g of adhesive;
the preparation process of the antibacterial liquid comprises the following steps:
process one: mixing chlorhexidine with a solvent;
and a second process: mixing a diluent and an adhesive;
and a third process: mixing the mixture in the first process with the mixture in the second process to obtain an antibacterial liquid;
the antistatic liquid comprises the following raw materials in parts by weight: 11g of neutral silica sol, 7g of anionic surfactant and 9g of water;
the preparation process of the antistatic liquid comprises the following steps:
the process is as follows: mixing neutral silica sol and water at 65deg.C for 11min;
a second flow: mixing the mixture in the first process with an anionic surfactant at a temperature of 42.5 ℃ for 9min to obtain an antistatic liquid;
the preservative is one or a mixture of more than one of polytetrafluoroethylene, high chlorinated polyethylene, benzene, benzoic acid and potassium sorbate.
The preparation method of the water-based antibacterial antistatic coating comprises the following specific steps:
step one: placing water, aqueous epoxy resin and aqueous emulsion into a reaction kettle for mixing, wherein the mixing temperature is 74 ℃, and the mixing time is 6min, so that a mixture A is obtained;
step two: placing methacrylic acid, butyl acrylate and methyl silicone oil into a reaction kettle for mixing, wherein the mixing temperature is 73 ℃, and the mixing time is 13min, so that a mixture B is obtained;
step three: putting the mixture A, the mixture B, silicon dioxide, a dispersing agent, a defoaming agent and a film-forming auxiliary agent into a reaction kettle for mixing, wherein the mixing temperature is 44 ℃, and the mixing time is 24 minutes, so that a mixture C is obtained;
step four: and (3) putting the mixture C, the antibacterial solution, the antistatic solution and the preservative into a reaction kettle for mixing at the temperature of 53.5 ℃ for 24 minutes, thereby obtaining the coating.
Example 3:
the invention provides a water-based antibacterial antistatic coating, which comprises the following raw materials in parts by weight: 30g of water, 14g of aqueous epoxy resin, 8g of aqueous emulsion, 5g of methacrylic acid, 6g of butyl acrylate, 8g of methyl silicone oil, 12g of silicon dioxide, 8g of dispersing agent, 5g of defoamer, 5g of film forming additive, 8g of antibacterial solution, 6g of antistatic solution and 12g of preservative;
the dispersing agent is one or a mixture of more of triethylhexyl phosphoric acid, sodium dodecyl sulfate, methylpentanol and cellulose derivatives;
the defoamer is one or a mixture of a plurality of mono-alkyl phosphate, dialkyl phosphate and fluorinated alkyl phosphate;
the film forming auxiliary agent is one or a mixture of more of benzyl alcohol BA, ethylene glycol, propylene glycol and hexylene glycol;
the antibacterial liquid comprises the following raw materials in parts by weight: 9g of chlorhexidine, 4g of solvent, 5g of diluent and 4g of adhesive;
the preparation process of the antibacterial liquid comprises the following steps:
process one: mixing chlorhexidine with a solvent;
and a second process: mixing a diluent and an adhesive;
and a third process: mixing the mixture in the first process with the mixture in the second process to obtain an antibacterial liquid;
the antistatic liquid comprises the following raw materials in parts by weight: 12g of neutral silica sol, 8g of anionic surfactant and 12g of water;
the preparation process of the antistatic liquid comprises the following steps:
the process is as follows: mixing neutral silica sol and water at 70deg.C for 12min;
a second flow: mixing the mixture in the first process with an anionic surfactant at 45 ℃ for 10min to obtain antistatic liquid;
the preservative is one or a mixture of more than one of polytetrafluoroethylene, high chlorinated polyethylene, benzene, benzoic acid and potassium sorbate.
The preparation method of the water-based antibacterial antistatic coating comprises the following specific steps:
step one: placing water, aqueous epoxy resin and aqueous emulsion into a reaction kettle for mixing, wherein the mixing temperature is 76 ℃, and the mixing time is 8 minutes, so that a mixture A is obtained;
step two: placing methacrylic acid, butyl acrylate and methyl silicone oil into a reaction kettle for mixing, wherein the mixing temperature is 78 ℃, and the mixing time is 14 minutes, so that a mixture B is obtained;
step three: putting the mixture A, the mixture B, silicon dioxide, a dispersing agent, a defoaming agent and a film-forming auxiliary agent into a reaction kettle for mixing, wherein the mixing temperature is 48 ℃, and the mixing time is 26 minutes, so that a mixture C is obtained;
step four: and (3) putting the mixture C, the antibacterial solution, the antistatic solution and the preservative into a reaction kettle for mixing, wherein the mixing temperature is 55 ℃, and the mixing time is 26 minutes, so that the coating is obtained.
The coatings prepared in examples 1-3 above were compared to obtain the following data:
| example 1 | Example 2 | Example 3 | |
| Surface resistivity/Ω | 4.9×105 | 4.8×105 | 5.0×105 |
| Antibacterial efficiency (%) | 98.58 | 99.59 | 97.25 |
| Corrosion protection rating | Sa2 | Sa2.5 | Sa2 |
As is clear from the above table, the coatings prepared in examples 1 to 3 have good performances in terms of surface resistivity, antibacterial rate and corrosion resistance level, but the coating has different effects in terms of surface resistivity, antibacterial rate and corrosion resistance level due to different proportions of water, aqueous epoxy resin, aqueous emulsion, methacrylic acid, butyl acrylate, methyl silicone oil, silicon dioxide, dispersing agent, defoamer, film forming aid, antibacterial liquid, antistatic liquid and corrosion inhibitor, and the best effect in example 2 is achieved after use.
Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The water-based antibacterial antistatic coating comprises raw materials and is characterized by comprising the following components in parts by weight: 20-30 g of water, 10-14 g of aqueous epoxy resin, 6-8 g of aqueous emulsion, 3-5 g of methacrylic acid, 2-6 g of butyl acrylate, 4-8 g of methyl silicone oil, 8-12 g of silicon dioxide, 6-8 g of dispersing agent, 3-5 g of defoamer, 1-5 g of film forming additive, 4-8 g of antibacterial liquid, 2-6 g of antistatic liquid and 8-12 g of preservative.
2. The aqueous antibacterial and antistatic coating according to claim 1, wherein the dispersing agent is one or more of triethylhexyl phosphoric acid, sodium dodecyl sulfate, methylpentanol and cellulose derivatives.
3. The aqueous antimicrobial antistatic coating of claim 1 wherein the defoamer is one or a mixture of mono-, di-and fluorinated alkyl phosphates.
4. The aqueous antibacterial and antistatic coating according to claim 1, wherein the film-forming auxiliary agent is one or a mixture of more of benzyl alcohol BA, ethylene glycol, propylene glycol and hexylene glycol.
5. The aqueous antibacterial antistatic coating according to claim 1, wherein the antibacterial liquid comprises the following raw materials in weight: 7g-9g of chlorhexidine, 2g-4g of solvent, 1g-5g of diluent and 2g-4g of adhesive.
6. The aqueous antibacterial antistatic coating according to claim 5, wherein the antibacterial liquid is prepared by the following steps:
process one: mixing chlorhexidine with a solvent;
and a second process: mixing a diluent and an adhesive;
and a third process: and mixing the mixture in the first process with the mixture in the second process to obtain the antibacterial liquid.
7. The aqueous antibacterial antistatic coating according to claim 1, wherein the antistatic liquid comprises the following raw materials in weight: 10g-12g of neutral silica sol, 6g-8g of anionic surfactant and 6g-12g of water.
8. The aqueous antibacterial antistatic coating according to claim 7, wherein the antistatic liquid is prepared by the following steps:
the process is as follows: mixing neutral silica sol and water at 60-70 deg.c for 10-12 min;
a second flow: mixing the mixture in the first process with anionic surfactant at 40-45 deg.c for 8-10 min to obtain antistatic liquid.
9. The aqueous antibacterial and antistatic coating according to claim 1, wherein the preservative is one or more of polytetrafluoroethylene, highly chlorinated polyethylene, benzene, benzoic acid and potassium sorbate.
10. The preparation method of the water-based antibacterial antistatic coating is characterized by comprising the following specific steps:
step one: placing water, aqueous epoxy resin and aqueous emulsion into a reaction kettle for mixing, wherein the mixing temperature is 72-76 ℃ and the mixing time is 4-8 min, so as to obtain a mixture A;
step two: placing methacrylic acid, butyl acrylate and methyl silicone oil into a reaction kettle for mixing, wherein the mixing temperature is 68-78 ℃, and the mixing time is 12-14 min, so that a mixture B is obtained;
step three: putting the mixture A, the mixture B, silicon dioxide, a dispersing agent, a defoaming agent and a film-forming auxiliary agent into a reaction kettle for mixing, wherein the mixing temperature is 40-48 ℃, and the mixing time is 22-26 min, so that a mixture C is obtained;
step four: and (3) placing the mixture C, the antibacterial liquid, the antistatic liquid and the preservative into a reaction kettle for mixing, wherein the mixing temperature is 52-55 ℃, and the mixing time is 22-26 min, so that the coating is obtained.
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