CN116082902A - Antiviral paint and preparation method thereof - Google Patents
Antiviral paint and preparation method thereof Download PDFInfo
- Publication number
- CN116082902A CN116082902A CN202211476153.4A CN202211476153A CN116082902A CN 116082902 A CN116082902 A CN 116082902A CN 202211476153 A CN202211476153 A CN 202211476153A CN 116082902 A CN116082902 A CN 116082902A
- Authority
- CN
- China
- Prior art keywords
- parts
- agent
- silver
- titanium dioxide
- bamboo charcoal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The application relates to the field of paint, and in particular discloses antiviral paint and a preparation method thereof, wherein the antiviral paint comprises the following raw materials in parts by weight: 10-20 parts of acrylic resin, 10-20 parts of epoxy resin, 2-6 parts of crosslinking auxiliary agent, 1-3 parts of adhesive force auxiliary agent, 1-3 parts of defoaming agent, 1-3 parts of leveling agent, 2-4 parts of silane coupling agent and 0.5-1 part of nano silicon dioxide, and is characterized by further comprising 1-2 parts of silver ion antibacterial agent, 1-4 parts of silver-loaded titanium dioxide and 2-5 parts of nano bamboo charcoal fiber; the paint prepared by the application has the advantages of good dispersion performance and good antiviral performance.
Description
Technical Field
The present application relates to the field of coatings, and more particularly, to an antiviral paint and a method of preparing the same.
Background
Studies have shown that 80% of common infections (e.g., cold, influenza, diarrhea, etc.) are actually transmitted by contact with contaminated object surfaces. When touching the object surface, the hand contacts up to 50% of the microorganisms on the object surface, which may be infected by the human body after touching the mouth, eyes and nose.
In recent years, pathogenic viruses caused by various influenza or coronaviruses have brought great influence on public health by their easy transmissibility. With the gradual deterioration of the environment, the immune mechanism of the human body is gradually weakened, so that the number of people suffering from the virus infection is gradually increased each year, and one common mode of virus transmission is indirect contact transmission, such as elevator buttons, door handles, wall surfaces and the like.
The wall in the public space is generally disinfected by adopting disinfectants such as disinfection alcohol, sodium hypochlorite and the like to inhibit virus transmission, but the wall is difficult to have a continuous and effective antiviral effect due to short validity of the disinfectants, and the method for inhibiting viruses is that the wall in the public space is coated with antiviral paint, silver-loaded titanium dioxide is an excellent antibacterial agent, and the antibacterial performance of the paint can be effectively improved by adding the silver-loaded titanium dioxide into the paint, but the silver-loaded titanium dioxide is easy to agglomerate and precipitate in the paint, and the antibacterial performance of the paint is affected by brushing the wall.
Disclosure of Invention
In order to improve the dispersion uniformity of silver-loaded titanium dioxide in an antibacterial coating, the application provides an antiviral paint and a preparation method thereof.
In a first aspect, the present application provides an antiviral paint, which adopts the following technical scheme:
an antiviral paint comprises the following raw materials in parts by weight: 10-20 parts of acrylic resin, 10-20 parts of epoxy resin, 2-6 parts of crosslinking auxiliary agent, 1-3 parts of adhesive force auxiliary agent, 1-3 parts of defoaming agent, 1-3 parts of leveling agent, 2-4 parts of silane coupling agent, 0.5-1 part of nano silicon dioxide, 1-2 parts of silver ion antibacterial agent, 1-4 parts of silver-loaded titanium dioxide and 2-5 parts of nano bamboo charcoal fiber.
By adopting the technical scheme, tiO 2 The antibacterial agent has photo-generated electron-hole pair easy to compound and Ag + The antibacterial agent has the defects of easy conversion into silver oxide, color change of products and the like, and influences the sterilization effect and the antibacterial performance. Silver-carrying titanium dioxide prepared by a reasonable method to ensure Ag + The antibacterial agent is embedded in TiO2 crystal and crystal defect, and can slowly release Ag for a long time + Maintain effective Ag + Concentration, can prevent the recombination of electron-hole pairs, promote the effective separation of electron-hole pairs, so titanium dioxide silver-loaded antibacterial agent presents great superiority;
according to the invention, the nano bamboo charcoal fiber is added into the paint, so that the nano fiber forms a three-dimensional net-shaped structure, the possibility of particle agglomeration or caking of the titanium dioxide silver-carrying antibacterial agent, the silver ion antibacterial agent and the like in the subsequent production, storage or transportation process can be reduced, and the titanium dioxide silver-carrying antibacterial agent and the silver ion antibacterial agent can be better dispersed in the paint, so that the dispersion performance of the antibacterial agent in the brushed paint is good, and the antibacterial capability of the paint is effectively improved;
in addition, the nanometer bamboo charcoal fiber has good adsorption performance, can adsorb a part of silver ion antibacterial agent, and then slowly releases Ag for a long time + Thereby improving the long-acting antibacterial performance of the coating, the nano bamboo charcoal fiber also has strong adsorption and decomposition capacity, and can absorb moisture, dry, deodorize and resist bacteria, thereby effectively improving the antibacterial capacity of the coating.
Preferably, the silver-loaded titanium dioxide is further subjected to the following modification steps:
s1, adding silver-loaded titanium dioxide into water, uniformly stirring, and regulating the pH value to 5-6 to obtain a mixed solution A;
s2: adding polyethylene glycol solution into the mixed solution A, and oscillating for 20-40h at constant temperature to obtain mixed solution B;
s3: and (5) separating silver-carrying titanium dioxide from the mixed solution B, and drying.
By adopting the technical scheme, the polyethylene glycol modified silver-loaded titanium dioxide has the advantages that the steric hindrance effect is increased, the dispersion stability of the silver-loaded titanium dioxide is further increased, the silver-loaded titanium dioxide is distributed uniformly in the paint, and the antibacterial performance of the paint is further increased.
Preferably, the nano bamboo charcoal fiber is further subjected to the following modification steps:
s1, dissolving maleic anhydride in a DMF solvent, and adding dimethylbenzene into the DMF solvent, wherein the mass ratio of the maleic anhydride to the dimethylbenzene is 1: (6-8), uniformly stirring to obtain a modified liquid;
s2, adding the nano bamboo charcoal fibers into the modified liquid, uniformly stirring, separating the bamboo charcoal fibers after 1-4 hours, and drying.
Through adopting above-mentioned technical scheme, nanometer bamboo charcoal fiber has improved the compatibility of nanometer bamboo charcoal fiber and resin after maleic anhydride grafting modification for modified bamboo charcoal fiber can better with the better integration of resin, maleic anhydride grafting nanometer bamboo charcoal fiber has increased the crosslinking point simultaneously, makes the three-dimensional network that nanometer bamboo charcoal fiber formed more huge and stable, thereby further prevents titanium dioxide silver-loaded antibacterial agent and silver ion antibacterial agent reunion.
Preferably, the mass ratio of the silver ion antibacterial agent to the silver-loaded titanium dioxide to the nano bamboo charcoal fiber is 1: (1-2): (3-4).
By adopting the technical scheme, the mass ratio of the silver ion antibacterial agent, the silver-loaded titanium dioxide and the nanometer bamboo charcoal fiber is 1: (1-2): in the range of (3-4), the antibacterial property of the paint is good.
Preferably, the silane coupling agent is one or more of silane coupling agents KH570, KH550 or KH 560.
By adopting the technical scheme, the silane coupling agent KH570, KH550 or KH560 is a silane coupling agent with good performance, can effectively improve the adhesive force, durability, weather resistance and toughness of the coating, can obviously reduce the dispersion viscosity of the filler and pigment, and improves the pigment dispersibility.
Preferably, the defoamer is a polyether defoamer.
By adopting the technical scheme, the polyether defoamer has the characteristics of long foam inhibition time, good effect, high defoaming speed, good thermal stability and the like.
Preferably, the leveling agent is a polyether modified polymethyl alkyl organosilicon leveling agent.
By adopting the technical scheme, the polyether modified polymethyl alkyl organosilicon leveling agent has good leveling property, also has good shrinkage cavity resistance, and also increases the smoothness, scratch resistance and anti-adhesion property of the surface of the coating.
In a second aspect, the present application provides a method for preparing an antiviral paint, which adopts the following technical scheme:
the preparation method of the antiviral paint comprises the steps of uniformly mixing acrylic resin, epoxy resin, a crosslinking auxiliary agent, an adhesive force auxiliary agent, a defoaming agent, a leveling agent, a silane coupling agent, nano silicon dioxide, a silver ion antibacterial agent, silver-loaded titanium dioxide and nano bamboo charcoal fibers to obtain the antiviral paint.
In summary, the present application has the following beneficial effects:
1. in the invention byThe nano bamboo charcoal fiber is added into the paint, and the nano fiber forms a three-dimensional net-shaped three-dimensional structure, so that the possibility of particle agglomeration or caking of the titanium dioxide silver-carrying antibacterial agent, the silver ion antibacterial agent and the like in the subsequent production, storage or transportation process can be reduced, and the dispersibility of the titanium dioxide silver-carrying antibacterial agent and the silver ion antibacterial agent in the paint is better, so that the dispersion performance of the antibacterial agent in the brushed paint is good, and the antibacterial capability of the paint is effectively improved; in addition, the nanometer bamboo charcoal fiber has good adsorption performance, can adsorb a part of silver ion antibacterial agent, and then slowly releases Ag for a long time + Thereby improving the long-acting antibacterial performance of the coating, the nano bamboo charcoal fiber also has strong adsorption and decomposition capacity, and can absorb moisture, dry, deodorize and resist bacteria, thereby effectively improving the antibacterial capacity of the coating;
2. the polyethylene glycol modified silver-loaded titanium dioxide increases the steric hindrance effect, further increases the dispersion stability of the silver-loaded titanium dioxide, ensures that the silver-loaded titanium dioxide is uniformly distributed in the paint, and further increases the antibacterial property of the paint;
3. after the nano bamboo charcoal fiber is modified by maleic anhydride grafting, the compatibility of the nano bamboo charcoal fiber and resin is improved, so that the modified bamboo charcoal fiber can be better fused with the resin, and meanwhile, the maleic anhydride grafting nano bamboo charcoal fiber increases crosslinking points, so that a three-dimensional network formed by the nano bamboo charcoal fiber is more huge and stable, and the agglomeration of the titanium dioxide silver-loaded antibacterial agent and the silver ion antibacterial agent is further prevented.
Detailed Description
The raw material sources are as follows:
H1N1 influenza virus, hcoV-229e virus and Enterovirus (EV) 71 type virus are all authenticated by Guangdong microbiological study; acrylic resin from Jining Hua Kai resin Co., ltd., model hk-8021;
epoxy resin is from Wan Qing chemical technology Co., ltd., model 188;
the crosslinking aid is from Shanghai crystallization company, inc., trademark 582-2;
the adhesive force auxiliary agent is from Dongguan plastic science and technology Co., ltd, and the product number is JS20200504;
polyether defoamers are from federal fine chemical company in the Guangdong; model B-299;
the polyether modified polymethyl alkyl organosilicon leveling agent is from Pick chemical of Germany, model BYK-310;
silver ion antimicrobial agents are from the company of the republic of guangdong, mildewproof technologies, inc;
silver-loaded titanium dioxide comes from Hangzhou intelligent titanium purification technology science and technology limited;
the nanometer bamboo charcoal fiber is from Lv Yi bamboo charcoal limited company of Jiangshan, and has fineness of 0.2-0.3 μm and length of 1-4mm;
polyethylene glycol is from Chenxin blue Star technology Co., ltd and has a molecular weight of 1000-2000.
The present application is further described in detail below in connection with the preparation examples and examples.
Preparation example
Preparation example 1
The silver-loaded titanium dioxide is subjected to the following modification steps:
s1, adding 25g of silver-loaded titanium dioxide into 1L of water, uniformly stirring, and regulating the pH value to 5 to obtain a mixed solution A;
s2: adding 5g of polyethylene glycol solution into the mixed solution A, and oscillating for 20 hours at constant temperature to obtain a mixed solution B;
s3: and (5) separating silver-carrying titanium dioxide from the mixed solution B, and drying.
Preparation example 2
The silver-loaded titanium dioxide is subjected to the following modification steps:
s1, adding 25g of silver-loaded titanium dioxide into 1L of water, uniformly stirring, and regulating the pH value to 6 to obtain a mixed solution A;
s2: adding 5g of polyethylene glycol solution into the mixed solution A, and oscillating for 40 hours at constant temperature to obtain a mixed solution B;
s3: and (5) separating silver-carrying titanium dioxide from the mixed solution B, and drying.
Preparation example 3
The nanometer bamboo charcoal fiber is modified by the following steps:
s1, dissolving 10g of maleic anhydride in a 1LDMF solvent, adding 60g of dimethylbenzene into a DMF solvent, and uniformly stirring to obtain a modified liquid;
s2, adding 5g of nano bamboo charcoal fiber into the modified liquid, uniformly stirring, separating the bamboo charcoal fiber after 1h, and drying.
Preparation example 4
The nanometer bamboo charcoal fiber is modified by the following steps:
s1, dissolving 10g of maleic anhydride in a 1LDMF solvent, adding 80g of dimethylbenzene into a DMF solvent, and uniformly stirring to obtain a modified liquid;
s2, adding 5g of nano bamboo charcoal fiber into the modified liquid, uniformly stirring, separating the bamboo charcoal fiber after 4 hours, and drying.
Examples
Example 1
The antiviral paint is prepared by uniformly mixing the following components: 10kg of acrylic resin, 10kg of epoxy resin, 2kg of crosslinking auxiliary agent, 1kg of adhesive force auxiliary agent, 1kg of polyether defoamer, 1kg of polyether modified polymethyl alkyl organosilicon leveling agent, 2kg of silane coupling agent KH570, 0.5kg of nano silicon dioxide, 1kg of silver ion antibacterial agent, 1kg of silver-loaded titanium dioxide and 2kg of nano bamboo charcoal fiber.
Example 2
The antiviral paint is prepared by uniformly mixing the following components: 15kg of acrylic resin, 15kg of epoxy resin, 4kg of crosslinking auxiliary agent, 2kg of adhesive force auxiliary agent, 2kg of polyether defoamer, 2kg of polyether modified polymethyl alkyl organosilicon leveling agent, 3kg of silane coupling agent KH570, 0.8kg of nano silicon dioxide, 1kg of silver ion antibacterial agent, 1kg of silver-loaded titanium dioxide and 2kg of nano bamboo charcoal fiber.
Example 3
The antiviral paint is prepared by uniformly mixing the following components: 20kg of acrylic resin, 20kg of epoxy resin, 6kg of cross-linking auxiliary agent, 3kg of adhesive force auxiliary agent, 3kg of polyether defoamer, 3kg of polyether modified polymethyl alkyl organosilicon leveling agent, 4kg of silane coupling agent KH570, 1kg of nano silicon dioxide, 1kg of silver ion antibacterial agent, 1kg of silver-loaded titanium dioxide and 2kg of nano bamboo charcoal fiber.
Example 4
Example 4 is different from example 3 in that the addition amount of the nano bamboo charcoal fiber is 3kg, and the mass ratio of the silver ion antibacterial agent, the silver-loaded titanium dioxide and the nano bamboo charcoal fiber is 1:1:3, the rest of the procedure is the same as in example 3.
Example 5
Example 5 is different from example 4 in that the addition amount of silver-loaded titanium dioxide is 1.5kg, the addition amount of nano bamboo charcoal fiber is 3.5kg, and the mass ratio among silver ion antibacterial agent, silver-loaded titanium dioxide and nano bamboo charcoal fiber is 1:1.5:3.5, the rest of the procedure is the same as in example 4.
Example 6
Example 6 is different from example 5 in that the addition amount of silver-loaded titanium dioxide is 2.0kg, the addition amount of nano bamboo charcoal fiber is 4.0kg, and the mass ratio among silver ion antibacterial agent, silver-loaded titanium dioxide and nano bamboo charcoal fiber is 1:2:4, the rest of the procedure is the same as in example 5.
Example 7
Example 7 is different from example 6 in that the addition amount of the nano bamboo charcoal fiber is 4.5kg, and the mass ratio of the silver ion antibacterial agent, the silver-loaded titanium dioxide and the nano bamboo charcoal fiber is 1:2:4.5, the rest of the procedure is the same as in example 6.
Example 8
Example 8 is different from example 7 in that the addition amount of silver-loaded titanium dioxide is 2.5kg, the addition amount of nano bamboo charcoal fiber is 4.5kg, and the mass ratio among silver ion antibacterial agent, silver-loaded titanium dioxide and nano bamboo charcoal fiber is 1:2.5:4.5, the rest of the procedure is the same as in example 7.
Example 9
Example 9 differs from example 6 in that the silver-loaded titanium dioxide was further subjected to a modification step, the modified silver-loaded titanium dioxide was derived from preparation example 1, and the remaining steps were the same as in example 6.
Example 10
Example 10 differs from example 6 in that the modified silver-loaded titanium dioxide is from preparation 2, and the rest of the steps are the same as in example 6.
Example 11
Example 11 is different from example 10 in that the nano bamboo charcoal fiber is further subjected to a modification step, the modified nano bamboo charcoal fiber is obtained from preparation example 3, and the rest steps are the same as in example 10.
Example 12
Example 12 is different from example 10 in that the nano bamboo charcoal fiber is further subjected to a modification step, the modified nano bamboo charcoal fiber is obtained from preparation example 4, and the rest steps are the same as in example 10.
Example 13
Example 13 was different from example 12 in that the silane coupling agent was KH550 silane coupling agent, and the rest of the procedure was the same as in example 12.
Example 14
Example 14 was different from example 12 in that the silane coupling agent was KH560 silane coupling agent, and the rest of the procedure was the same as in example 12.
Example 15
Example 15 is different from example 12 in that the silane coupling agent is KH560 silane coupling agent, silane coupling agent KH550 and silane coupling agent KH570, the mass ratio between them is 1:1:1, and the rest steps are the same as example 12.
Comparative example
Comparative example 1
Comparative example 1 was different from example 1 in that no nano bamboo charcoal fiber was added, and the rest of the steps were the same as in example 1.
Comparative example 2
Comparative example 2 is different from example 1 in that the nano bamboo charcoal fiber is replaced with the nano activated carbon fiber, and the rest steps are the same as example 1.
Performance test
Detection method
Paint stability test: according to the procedure described in GB/T6753.3-1986 method for testing storage stability of coatings, storage is carried out for 60d at 50.+ -. 2 ℃ under acceleration: checking the sedimentation degree of each coating at 30d and 60d respectively, and grading according to the sedimentation degree;
antibacterial property test, antibacterial rate test was performed on the prepared antibacterial paint with reference to ISO21702-2019, and antibacterial rates of 7d and 30d of paint film drying were respectively tested. The selected viruses are H1N1 influenza virus, hcov-229e virus and Enterovirus (EV) 71 virus respectively. The sedimentation rating and the antibacterial rate of the coatings prepared in examples 1 to 15 and comparative examples 1 to 2 are shown in the following table:
TABLE 1 sedimentation rating and antibacterial Rate of the coatings prepared in examples 1-15 and comparative examples 1-2
As can be seen by combining the data of examples 1-15 and comparative examples 1-2 and table 1, the antiviral paint prepared by the application can effectively improve the agglomeration performance of the paint and improve the antibacterial performance of the paint by adding nano bamboo carbon fiber, modified silver-loaded titanium dioxide and modified nano bamboo carbon fiber;
as can be seen by combining the data of examples 1-3 and Table 1, the paint prepared in example 3 has better anti-H1N 1 influenza virus and anti-Enterovirus (EV) 71 virus properties of Hcov-229e virus;
as can be seen by combining the data of examples 3-8 and table 1, the paint prepared in examples 4-6 has better anti-H1N 1 influenza virus and anti-HcoV-229 e virus Enterovirus (EV) 71 virus performance, namely, the mass ratio of silver ion antibacterial agent, silver-loaded titanium dioxide and nano bamboo charcoal fiber is 1: (1-2): in the range of (3-4), the antibacterial property of the paint is better;
as can be seen from the data of examples 6, examples 9-10 and table 1, after the silver-loaded titanium dioxide is modified by polyethylene glycol, the steric hindrance is increased, the dispersion stability of the silver-loaded titanium dioxide is further increased, the silver-loaded titanium dioxide is distributed more uniformly in the paint, and the antibacterial property of the paint is further improved;
as can be seen by combining the data of examples 10-12 and table 1, the three-dimensional network formed by the nano bamboo charcoal fiber is more huge and stable after the nano bamboo charcoal fiber is modified, so that the agglomeration of the titanium dioxide silver-loaded antibacterial agent and the silver ion antibacterial agent is further prevented, and the antibacterial performance of the paint is further improved;
as can be seen from the data of examples 12 to 15 and table 1, the silane coupling agent is silane coupling agent KH570, KH550 or KH560, which has little effect on the antimicrobial properties of the paint;
as can be seen from the data of example 1, comparative examples 1-2 and table 1, the nano bamboo charcoal fiber can effectively improve the dispersibility of the titanium dioxide silver-loaded antibacterial agent and silver ion antibacterial agent in the paint, and also improve the antibacterial property and long-acting antibacterial property of the paint.
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.
Claims (8)
1. An antiviral paint comprises the following raw materials in parts by weight: 10-20 parts of acrylic resin, 10-20 parts of epoxy resin, 2-6 parts of crosslinking auxiliary agent, 1-3 parts of adhesive force auxiliary agent, 1-3 parts of defoaming agent, 1-3 parts of leveling agent, 2-4 parts of silane coupling agent and 0.5-1 part of nano silicon dioxide, and is characterized by further comprising 1-2 parts of silver ion antibacterial agent, 1-4 parts of silver-loaded titanium dioxide and 2-5 parts of nano bamboo charcoal fiber.
2. An antiviral paint according to claim 1, wherein: the silver-loaded titanium dioxide also undergoes the following modification steps:
s1, adding silver-loaded titanium dioxide into water, uniformly stirring, and regulating the pH value to 5-6 to obtain a mixed solution A;
s2: adding polyethylene glycol solution into the mixed solution A, and oscillating for 20-40h at constant temperature to obtain mixed solution B;
s3: and (5) separating silver-carrying titanium dioxide from the mixed solution B, and drying.
3. An antiviral paint according to claim 1, wherein: the nanometer bamboo charcoal fiber is further subjected to the following modification steps:
s1, dissolving maleic anhydride in a DMF solvent, and adding dimethylbenzene into the DMF solvent, wherein the mass ratio of the maleic anhydride to the dimethylbenzene is 1: (6-8), uniformly stirring to obtain a modified liquid;
s2, adding the nano bamboo charcoal fibers into the modified liquid, uniformly stirring, separating the bamboo charcoal fibers after 1-4 hours, and drying.
4. An antiviral paint according to claim 1, wherein: the mass ratio of the silver ion antibacterial agent to the silver-loaded titanium dioxide to the nanometer bamboo charcoal fiber is 1: (1-2): (3-4).
5. An antiviral paint according to claim 1, wherein: the silane coupling agent is one or more of silane coupling agents KH570, KH550 or KH 560.
6. An antiviral paint according to claim 1, wherein: the defoaming agent is polyether defoaming agent.
7. An antiviral paint according to claim 1, wherein: the leveling agent is polyether modified polymethyl alkyl organosilicon leveling agent.
8. A method of preparing an antiviral paint according to any one of claims 1 to 7, wherein: and uniformly mixing acrylic resin, epoxy resin, a crosslinking auxiliary agent, an adhesive force auxiliary agent, a defoaming agent, a leveling agent, a silane coupling agent, nano silicon dioxide, a silver ion antibacterial agent, silver-loaded titanium dioxide and nano bamboo charcoal fiber to obtain the antiviral paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211476153.4A CN116082902A (en) | 2022-11-23 | 2022-11-23 | Antiviral paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211476153.4A CN116082902A (en) | 2022-11-23 | 2022-11-23 | Antiviral paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116082902A true CN116082902A (en) | 2023-05-09 |
Family
ID=86187647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211476153.4A Pending CN116082902A (en) | 2022-11-23 | 2022-11-23 | Antiviral paint and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116082902A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974285A (en) * | 2010-09-30 | 2011-02-16 | 江苏大象东亚制漆有限公司 | Long-acting antibacterial polyurethane water-based wood paint composition |
| CN107201120A (en) * | 2017-06-30 | 2017-09-26 | 成都纳硕科技有限公司 | A kind of environment protection oil paint |
| CN109627921A (en) * | 2018-12-29 | 2019-04-16 | 六安科瑞达新型材料有限公司 | A kind of Ag-carried nanometer titanium dioxide antibacterial powder paint |
| CN109825182A (en) * | 2019-01-14 | 2019-05-31 | 浙江九洲红家具股份有限公司 | A kind of paint vehicle and preparation method thereof being suitable for mahogany furniture antibacterial |
| CN112409836A (en) * | 2020-12-22 | 2021-02-26 | 常州山由帝杉防护材料制造有限公司 | Photocatalytic antibacterial coating and preparation device thereof |
| CN112552731A (en) * | 2020-12-24 | 2021-03-26 | 温州明远新型建材有限公司 | Alkali-proof putty for external wall |
| CN114250004A (en) * | 2021-12-28 | 2022-03-29 | 沈阳康亿环保科技有限公司 | Environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating and preparation method thereof |
-
2022
- 2022-11-23 CN CN202211476153.4A patent/CN116082902A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101974285A (en) * | 2010-09-30 | 2011-02-16 | 江苏大象东亚制漆有限公司 | Long-acting antibacterial polyurethane water-based wood paint composition |
| CN107201120A (en) * | 2017-06-30 | 2017-09-26 | 成都纳硕科技有限公司 | A kind of environment protection oil paint |
| CN109627921A (en) * | 2018-12-29 | 2019-04-16 | 六安科瑞达新型材料有限公司 | A kind of Ag-carried nanometer titanium dioxide antibacterial powder paint |
| CN109825182A (en) * | 2019-01-14 | 2019-05-31 | 浙江九洲红家具股份有限公司 | A kind of paint vehicle and preparation method thereof being suitable for mahogany furniture antibacterial |
| CN112409836A (en) * | 2020-12-22 | 2021-02-26 | 常州山由帝杉防护材料制造有限公司 | Photocatalytic antibacterial coating and preparation device thereof |
| CN112552731A (en) * | 2020-12-24 | 2021-03-26 | 温州明远新型建材有限公司 | Alkali-proof putty for external wall |
| CN114250004A (en) * | 2021-12-28 | 2022-03-29 | 沈阳康亿环保科技有限公司 | Environment-friendly antibacterial antiviral mildew-proof integrated interior wall coating and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 拉伊莫·艾伦: "《森林资源的生物质精炼 第5卷》", 中国轻工业出版社, pages: 88 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109735154B (en) | Long-acting antibacterial agent, long-acting antibacterial agent with immediate effect and preparation method thereof | |
| AU2017317351A1 (en) | Gas separation membrane containing heteromorphous shaped silica nanoparticles | |
| CN104962148A (en) | Antibacterial flame-retardant paint and preparation method thereof | |
| CN110371988B (en) | Preparation method of silicon dioxide antibacterial microspheres | |
| CN106833204A (en) | A kind of indoor formaldehyde-removing antibiotic environmental protection sealing wax and preparation method thereof | |
| CN116082902A (en) | Antiviral paint and preparation method thereof | |
| CN115433497A (en) | Antifouling and antibacterial water-based wood paint and preparation method thereof | |
| CN113430719B (en) | Preparation method of air filtration nanofiber membrane with dendritic multi-level structure | |
| CN111574871B (en) | Modified fluorosilane composite sol, preparation method thereof, coating containing modified fluorosilane composite sol, and preparation method and application of coating | |
| CN113185882A (en) | Antiviral anti-formaldehyde coating and preparation method thereof | |
| CN111171611B (en) | Green and environment-friendly UV coating and preparation method thereof | |
| CN110922661B (en) | Inorganic nano antibacterial plastic, preparation method thereof and application thereof in water supply pipe | |
| CN108707416A (en) | A kind of fishing gear aqueous colorful coating and preparation method thereof | |
| TW202233064A (en) | Antiviral composition comprising modified zeolites | |
| CN111187549A (en) | Antiviral flame-retardant weather-resistant coating | |
| CN111560198A (en) | High-efficiency physical negative ion coating and preparation method thereof | |
| KR20140029029A (en) | Method for preparing an anti-fingerprint layer and an anti-fingerprint layer prepared by using the same | |
| CN106800846A (en) | A kind of nano-powder and photochromic coating therefrom for photochromic coating | |
| CN115386288B (en) | Water-based antiviral varnish and preparation method thereof | |
| CN115717019B (en) | Composite powder coating and preparation method and application thereof | |
| CN112063302A (en) | Environment-friendly woodware paint and preparation method thereof | |
| CN111393653A (en) | Modified epoxy resin composition, adhesive film and preparation method thereof | |
| CN116355199B (en) | Polyether substituted amine modified siloxane composition and application thereof in rare earth antibacterial and antiviral metal plate | |
| CN114479520B (en) | Modified inorganic particles, preparation method thereof and application thereof in super-hydrophobic material | |
| KR20060110608A (en) | Anti-bacterial liquid composition for coating and anti-bacterial paint composition including the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |