阅读说明：本技术 一种具有抗污抗病毒的氟碳涂料及其制备方法 (Anti-fouling and anti-virus fluorocarbon coating and preparation method thereof ) 是由 黄业乔 蔡川旭 刘倩 童飞 于 2021-03-23 设计创作，主要内容包括：本发明公开了一种具有抗污抗病毒氟碳涂料及其制备方法,依照重量百分比计,氟碳涂料原料为：水性氟碳树脂、含氢硅树脂、丙烯酸改性有机硅树脂、催化剂、甲基环己烷、乙二醇丁醚、丙二醇甲醚醋酸酯、颜料、消泡剂、增稠剂、纳米硅氧烷、TiO-2-ZnO复合奈米粒子、磷酸锆银分散液和含硅表面添加剂。该具有抗污抗病毒氟碳涂料及其制备方法,通过复配特定比例的树脂来达到优异的抗污的特性,同时表面具有优异的抗细菌、病毒的附着,使细菌、病毒难以附着上去,减少脏污附着于物体表面,减少细菌的孳生可能性,利用磷酸锆银分散液具有抗菌性能优异、耐黄变的优点、耐酸碱、耐洗涤,耐老化、不易产生细菌之抗药性,同时对所有菌种均有极强的杀灭能力。(The invention discloses an anti-fouling and anti-virus fluorocarbon coating and a preparation method thereof, wherein the fluorocarbon coating comprises the following raw materials in percentage by weight: aqueous fluorocarbon resin, hydrogen-containing silicone resin, acrylic acid modified silicone resin, catalyst, methylcyclohexane, ethylene glycol butyl ether, propylene glycol methyl ether acetate, pigment, defoaming agent, thickening agent, nano siloxane, TiO 2 -ZnO composite nanoparticles, zirconium silver phosphate dispersion and a silicon containing surface additive. The fluorocarbon coating with the functions of resisting the pollution and the viruses and the preparation method thereof achieve the excellent characteristic of resisting the pollution by compounding the resin with a specific proportion, and simultaneously have excellent adhesion of resisting bacteria and viruses on the surface, so that the bacteria and the viruses are difficult to adhere to the surface, and the reduction of the adhesion of the bacteria and the viruses is realizedThe zirconium silver phosphate dispersion has the advantages of excellent antibacterial performance and yellowing resistance, is acid and alkali resistant, washing resistant, aging resistant, difficult to generate the drug resistance of bacteria, and has extremely strong killing capability on all strains.)

1. The anti-fouling and antiviral fluorocarbon coating comprises the following raw materials in percentage by weight: aqueous fluorocarbon resin20 to 30 percent; 10-15% of hydrogen-containing silicone resin; 5-10% of acrylic acid modified organic silicon resin; 0.1 to 0.3 percent of catalyst; 20-30% of methylcyclohexane; 4-8% of ethylene glycol butyl ether; 4-8% of propylene glycol methyl ether acetate; 15-25% of pigment; 0.2 to 0.5 percent of defoaming agent; 0.5 to 1 percent of thickening agent; 8-10% of nano siloxane; TiO2₂-3-5% of ZnO composite nanoparticles; 3-5% of zirconium silver phosphate dispersion liquid; 3-5% of silicon-containing surface additive.

2. The fluorocarbon coating with antifouling and antiviral effects as claimed in claim 1, wherein: the hydrogen-containing silicone resin is any one of phenyl hydrogen-containing silicone resin, methyl hydrogen-containing MQ103 type silicone resin and HMQ30 methyl hydrogen-containing silicone resin.

3. The fluorocarbon coating with antifouling and antiviral effects as claimed in claim 1, wherein: the silicon-containing surface additive is of BYK3720 type.

4. The fluorocarbon coating with antifouling and antiviral effects as claimed in claim 1, wherein: the zirconium-silver phosphate dispersion liquid is Shanghai AGP-F20-W.

5. The fluorocarbon coating with antifouling and antiviral effects as claimed in claim 1, wherein: the acrylic acid modified organic silicon resin is used for the new four-sea chemical production.

6. The fluorocarbon coating with antifouling and antiviral effects as claimed in claim 1, wherein: the alkali swelling thickener is one or more of associative polyurethane and nonionic polyurethane.

7. The fluorocarbon coating with antifouling and antiviral effects as claimed in claim 1, wherein: the defoaming agent is one or more of polyethylene glycol and polysiloxane.

8. The fluorocarbon coating with antifouling and antiviral effects as claimed in claim 1, wherein:the TiO is₂-the ZnO composite nano-particles are blue defensive agents of Shanghai Babyloning organisms.

9. A stain and virus resistant fluorocarbon coating as claimed in any one of claims 1 to 8 including the steps of:

(1) modification of the hydrogen-containing silicone resin: uniformly mixing the hydrogen-containing silicone resin, the silicon-containing surface additive, the TiO2-ZnO composite nano particles, the catalyst and the zirconium-silver phosphate dispersion liquid in parts by weight at 1000-1200rpm, reacting for 2 hours at 70-80 ℃, and sieving with a 80-100-mesh sieve to obtain the modified hydrogen-containing silicone resin;

(2) mixing modified hydrogen-containing silicone resin, aqueous fluorocarbon resin, acrylic acid modified silicone resin, ethylene glycol butyl ether, nano siloxane, propylene glycol monomethyl ether acetate and methylcyclohexane, putting the mixture into a high-pressure kettle at the rotation speed of 1000-1200rpm, mixing and stirring the mixture for 1 hour at the temperature of 80-110 ℃ and the pressure of 3Mpa, and cooling the mixture to room temperature to obtain fluorocarbon coating mixed solution;

(3) and (3) uniformly mixing the fluorocarbon coating mixed solution, the pigment and the defoaming agent at the speed of 600-800rpm, stirring for 30 minutes, adding the thickening agent, and stirring for 30 minutes at a constant speed to obtain a fluorocarbon coating finished product.

Technical Field

The invention relates to the technical field of nano coatings, in particular to a fluorocarbon coating with functions of resisting pollution and viruses and a preparation method thereof.

Background

In 2020, the virus is the most serious year, countries all over the world pay a lot of cost and lives for the hardship, and because the virus easily sticks to the surface of an object and moves along with the object, people and the object are easily directly infected when contacting the surface of the object to which the virus adheres, or the spread range of the virus is enlarged, so that the wide-range virus infection is caused.

Because the coating used by the general object has no characteristics of antivirus and bacteria, the virus and the bacteria can survive for a long time on the surface of the coating, and the problem can be solved only by the special coating when the effective antibacterial and virus-resistant functions are achieved, so the market urgently needs a coating which can specifically resist the virus, the bacteria and the virus and the bacteria.

Disclosure of Invention

The invention aims to provide a fluorocarbon coating with anti-pollution and anti-virus functions and a preparation method thereof, so as to solve the problems that the coating used by the common object in the background art does not have the characteristics of anti-virus and bacteria, and the viruses and the bacteria can survive on the surface of the coating for a long time.

In order to achieve the purpose, the invention provides the following technical scheme: the fluorocarbon coating with the functions of resisting pollution and viruses and the preparation method thereof are characterized in that the fluorocarbon coating comprises the following raw materials in percentage by weight: 20-30% of aqueous fluorocarbon resin; 10-15% of hydrogen-containing silicone resin; 5-10% of acrylic acid modified organic silicon resin; 0.1 to 0.3 percent of catalyst; 20-30% of methylcyclohexane; 4-8% of ethylene glycol butyl ether; 4-8% of propylene glycol methyl ether acetate; 15-25% of pigment; 0.2 to 0.5 percent of defoaming agent; 0.5 to 1 percent of thickening agent; 8-10% of nano siloxane; TiO2₂-3-5% of ZnO composite nanoparticles; 3-5% of zirconium silver phosphate dispersion liquid; 3-5% of silicon-containing surface additive.

Preferably, the hydrogen-containing silicone resin is any one of phenyl hydrogen-containing silicone resin, methyl hydrogen-containing MQ103 type silicone resin and HMQ30 methyl hydrogen-containing silicone resin.

Preferably, the silicon-containing surface additive is of the BYK3720 type.

Preferably, the zirconium silver phosphate dispersion is Shanghai AGP-F20-W.

Preferably, the acrylic acid modified organic silicon resin is produced by the new four-sea chemical industry.

Preferably, the alkali swelling thickener is one or more of associative polyurethane and nonionic polyurethane.

Preferably, the defoaming agent is one or more of polyethylene glycol and polysiloxane.

Preferably, the TiO is₂-the ZnO composite nano-particles are blue defensive agents of Shanghai Babyloning organisms.

The invention provides another technical scheme which is a preparation method of the anti-fouling and antiviral fluorocarbon coating, and the preparation method of the anti-fouling and antiviral fluorocarbon coating comprises the following steps:

(1) and modifying the hydrogen-containing silicone resin: uniformly mixing the hydrogen-containing silicone resin, the silicon-containing surface additive, the TiO2-ZnO composite nano particles, the catalyst and the zirconium-silver phosphate dispersion liquid in parts by weight at 1000-1200rpm, reacting for 2 hours at 70-80 ℃, and sieving with a 80-100-mesh sieve to obtain the modified hydrogen-containing silicone resin;

(2) mixing and putting the modified hydrogen-containing silicon resin, the aqueous fluorocarbon resin, the acrylic acid modified organic silicon resin, the ethylene glycol butyl ether, the nano siloxane, the propylene glycol monomethyl ether acetate and the methylcyclohexane into a high-pressure kettle at the rotation speed of 1000-1200rpm, mixing and stirring for 1 hour at the temperature of 80-110 ℃ and under the pressure of 3Mpa, and cooling to room temperature to obtain a fluorocarbon coating mixed solution;

(3) and uniformly mixing the fluorocarbon coating mixed solution, the pigment and the defoaming agent at the speed of 600-800rpm, stirring for 30 minutes, adding the thickening agent, and stirring at a constant speed for 30 minutes to obtain a fluorocarbon coating finished product.

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

the invention can improve the antivirus property of the original fluorocarbon coating, has excellent anti-fouling and antivirus and bacteria-adhesion performances, and can be applied to various fields needing antivirus, such as aviation, ships, hospitals, traffic, epidemic prevention cabins, isolation cabins and the like;

(1) the coating has the advantages that the resin with a specific proportion is compounded to achieve excellent anti-fouling property, the surface has excellent adhesion of resisting bacteria and viruses, the coating surface has smooth property, the contact angle reaches 130 degrees, so that the bacteria and the viruses are difficult to adhere, the adhesion of the dirt to the surface of an object is reduced, and the breeding possibility of the bacteria is reduced;

(2) the zirconium phosphate silver dispersion used in the invention has the advantages of excellent antibacterial performance and yellowing resistance, acid and alkali resistance, washing resistance, aging resistance and difficult generation of drug resistance of bacteria, has extremely strong killing capability on all strains such as fungi, algae, yeast, mould, bacteria and the like, and is matched with TiO₂The nano-sized ZnO composite particles are hollow spheres, and have a plurality of holes on the surface, so that space traps can be generated, the nano-sized ZnO composite particles have a powerful virus and bacteria killing function, and the composite nano-sized ZnO composite particles have complementary effects and can improve the functions of resisting bacteria and viruses.

By combining the two characteristics, the coating has excellent antibacterial and antiviral properties and antibacterial and antiviral adhesion properties, effectively solves the problems encountered at present and meets the requirements.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that:

example 1:

1. modification of the hydrogen-containing silicone resin: 150KG of hydrogen-containing silicone resin, 50KG of silicon-containing surface additive and 50KG of TiO₂Uniformly mixing ZnO composite nano particles, 3KG catalyst and 50KG zirconium silver phosphate dispersion liquid at 1000-1200rpm, reacting for 2 hours at 70-80 ℃, and using a 80-100-mesh sieve to obtain modified hydrogen-containing silicone resin;

2. mixing 300KG modified hydrogen-containing silicone resin, 300KG aqueous fluorocarbon resin, 100KG acrylic acid modified silicone resin, 80KG ethylene glycol butyl ether, 100KG nano siloxane, 80KG propylene glycol methyl ether acetate and 300KG methylcyclohexane, putting into an autoclave at the rotation speed of 1000-1200rpm, mixing and stirring at 80-110 ℃ and 3Mpa for 1 hour, and cooling to room temperature to obtain fluorocarbon coating mixed solution;

3. mixing 1200KG fluorocarbon coating mixed solution, 250KG pigment and 5KG defoaming agent evenly under 600-800rpm, stirring for 30 minutes, adding 10KG thickening agent, and stirring for 30 minutes at a constant speed to obtain a fluorocarbon coating finished product.

Example 2:

1. this example only changes the formulation ratio relative to example 1, the examples are as follows:

80KG of hydrogen-containing silicone resin, 30KG of silicon-containing surface additive and 30KGTiO₂Uniformly mixing ZnO composite nano particles, 2KG catalyst and 30KG zirconium silver phosphate dispersion liquid at 1000-1200rpm, reacting for 2 hours at 70-80 ℃, and using a 80-100-mesh sieve to obtain modified hydrogen-containing silicone resin;

2. mixing 300KG modified hydrogen-containing silicone resin, 150KG aqueous fluorocarbon resin, 50KG acrylic modified silicone resin, 40KG ethylene glycol butyl ether, 50KG nano siloxane, 50KG propylene glycol methyl ether acetate and 150KG methyl cyclohexane, putting into an autoclave at the rotation speed of 1000-1200rpm, mixing and stirring for 1 hour at 80-110 ℃ and 3Mpa, and cooling to room temperature to obtain fluorocarbon coating mixed solution;

3. mixing 1200KG fluorocarbon coating mixed solution, 1500KG pigment and 3KG defoaming agent evenly under 600-800rpm, stirring for 30 minutes, adding 10KG thickening agent, stirring for 30 minutes at uniform speed, and obtaining the fluorocarbon coating finished product.

Example 3:

1. modification of the hydrogen-containing silicone resin: 150KG of hydrogen-containing silicone resin, 50KG of silicon-containing surface additive and 50KG of TiO₂Uniformly mixing ZnO composite nano particles, 3KG catalyst and 50KG zirconium silver phosphate dispersion at 1300-1400rpm, reacting at 85-90 ℃ for 1.5 hours, and sieving with a 80-100-mesh sieve to obtain modified hydrogen-containing silicone resin;

2. mixing 300KG modified hydrogen-containing silicone resin, 300KG aqueous fluorocarbon resin, 100KG acrylic acid modified silicone resin, 80KG ethylene glycol butyl ether, 100KG nano siloxane, 80KG propylene glycol methyl ether acetate and 300KG methylcyclohexane, putting into an autoclave at the rotation speed of 1300-1400rpm, mixing and stirring for 0.5 hour at the temperature of 115-120 ℃ and 4.0Mpa, and cooling to room temperature to obtain fluorocarbon coating mixed solution;

3. mixing 1200KG fluorocarbon coating mixed solution, 250KG pigment and 5KG defoaming agent evenly under 800-900rpm, stirring for 20 minutes, adding 10KG thickening agent, and stirring for 25 minutes under the uniform speed to obtain the fluorocarbon coating finished product.

Example 4:

1. modification of the hydrogen-containing silicone resin: 150KG of hydrogen-containing silicone resin, 50KG of silicon-containing surface additive and 50KG of TiO₂Uniformly mixing ZnO composite nano particles, 3KG catalyst and 50KG zirconium silver phosphate dispersion liquid at 1500rpm, reacting for 2 hours at 90 ℃, and sieving with a 80-100-mesh sieve to obtain modified hydrogen-containing silicone resin;

2. mixing 300KG modified hydrogen-containing silicone resin, 300KG aqueous fluorocarbon resin, 100KG acrylic acid modified silicone resin, 80KG ethylene glycol butyl ether, 100KG nano siloxane, 80KG propylene glycol methyl ether acetate and 300KG methylcyclohexane, putting into an autoclave, mixing and stirring at the rotation speed of 1500rpm and the temperature of 130 ℃ and the pressure of 3.5Mpa for 0.75 hour, and cooling to room temperature to obtain fluorocarbon coating mixed liquid;

3. and uniformly mixing the 1200KG fluorocarbon coating mixed solution, the 250KG pigment and the 5KG defoaming agent at 1000rpm, stirring for 25 minutes, adding the 10KG thickening agent, and stirring at a constant speed for 30 minutes to obtain a fluorocarbon coating finished product.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.