阅读说明：本技术 一种抗菌抗病毒喷雾剂及其制备方法 (Antibacterial and antiviral spray and preparation method thereof ) 是由 常江 于 2021-02-04 设计创作，主要内容包括：本发明公开了一种抗菌抗病毒喷雾剂,包括水溶性高分子粘合剂5～30重量份,纳米银5～10重量份,纳米锌5～10重量份,有机抗菌剂2～10重量份,助剂1～2重量份,水30～80重量份。该喷雾剂适用于多种基材表面,具有优异的耐化学性能,本发明的抗菌抗病毒喷雾剂使用安全性高,经处理的物体速效抗菌率达到99％以上,并且对甲型流感病毒(H1N1)速效杀灭效果非常好,无毒,对皮肤无刺激性,具有非常好的长效持久效果。(The invention discloses an antibacterial antiviral spray which comprises 5-30 parts by weight of water-soluble polymer adhesive, 5-10 parts by weight of nano-silver, 5-10 parts by weight of nano-zinc, 2-10 parts by weight of organic antibacterial agent, 1-2 parts by weight of auxiliary agent and 30-80 parts by weight of water. The spray is suitable for the surfaces of various base materials, has excellent chemical resistance, is high in use safety, achieves the quick-acting antibacterial rate of a treated object of more than 99 percent, has a very good quick-acting killing effect on influenza A virus (H1N1), is non-toxic, has no irritation to skin, and has a very good long-acting lasting effect.)

1. The antibacterial and antiviral spray is characterized by comprising the following components in parts by weight:

5-30 parts of water-soluble polymer adhesive, 5-10 parts of nano-silver, 5-10 parts of nano-zinc, 2-10 parts of organic antibacterial agent, 1-2 parts of auxiliary agent and 30-80 parts of water.

2. The antibacterial and antiviral spray according to claim 1, wherein the water-soluble polymer binder is a water-soluble acrylic emulsion or a water-soluble polyurethane emulsion.

3. The antibacterial and antiviral spray according to claim 1, wherein the nano silver is a nano silver simple substance sol with an average particle size of 20-30 nm.

4. The antibacterial and antiviral spray according to claim 1, wherein the nano zinc is a nano zinc simple substance sol with the average particle size of 25-40 nm.

5. An antibacterial and antiviral spray according to claim 1 wherein the organic antibacterial agent is selected from one or more of trimethoxysilylpropyldimethyloctadecyl ammonium chloride, 2-octyl-4-isothiazolin-3-one and 4, 5-dichloro-2-n-octyl-3-isothiazolin-one.

6. The antibacterial and antiviral spray according to claim 1, wherein the adjuvant is an antifoaming agent, a wetting agent.

7. The antibacterial and antiviral spray according to claim 1, wherein the water is deionized water.

8. A method for preparing an antibacterial and antiviral spray, which comprises the steps of:

step A: under the condition of stirring, uniformly mixing and dispersing the organic antibacterial agent, water, the defoaming agent and the wetting agent to obtain a solution A;

and B: adding a water-soluble polymer adhesive into the solution A under the stirring condition, wherein the stirring speed is 800-1000 rpm, and the stirring time is 20-30 min to obtain emulsion B;

and C: under the stirring condition, adding nano silver and nano zinc into the emulsion B, wherein the stirring speed is 800-1000 rpm, and the stirring time is 20-30 min, so as to obtain emulsion C;

step D: and filling the emulsion C into a tank filled with compressed gas to form the antibacterial and antiviral spray.

Technical Field

The invention belongs to the technical field of antibiosis and antivirus, and particularly relates to an antibacterial and antivirus spray and a preparation method thereof.

Background

The healthy living environment increasingly becomes the pursuit target of human beings, so the environmental microorganisms and viruses which harm human health attract attention of people, and the antibacterial and antiviral functions are the important tasks of people to guarantee health. The antibacterial spray can quickly form a protective layer on the surface of an object, can keep the propagation of bacteria and viruses on the surface of the object, and can also be used for shoe pad antibiosis, glass antifogging and the like. At present, the effective antibacterial and antiviral coating is generated on the surface of an object by a solution soaking method, but the method has low efficiency. The spraying technology greatly improves the operation efficiency, and the coating characteristics can be conveniently controlled through parameters such as concentration, spraying time and the like. Experiments show that the technology is suitable for various materials and substances such as vegetables, fruits, metals, plastics, glass, paper products, textiles and the like.

Therefore, it is desirable to provide a spray which has a good protective effect and is easy to use.

Disclosure of Invention

In order to overcome the problems in the prior art, the invention provides an antibacterial and antiviral spray and a preparation method thereof. The spray provided by the invention can be directly sprayed on the surfaces of various base materials to prepare antibacterial and antiviral products, and the preparation process is simple, easy to operate and more beneficial to industrial large-scale production.

In order to achieve the above object, the present invention provides an antibacterial and antiviral spray, which comprises the following components in parts by weight:

5-30 parts of water-soluble polymer adhesive, 5-10 parts of nano-silver, 5-10 parts of nano-zinc, 2-10 parts of organic antibacterial agent, 1-2 parts of auxiliary agent and 30-80 parts of water.

Preferably, the water-soluble polymer adhesive is a water-soluble acrylic emulsion or a water-soluble polyurethane emulsion.

Preferably, the nano silver is nano silver simple substance sol with the average particle size of 20-30 nanometers.

Preferably, the nano zinc is nano zinc simple substance sol with the average particle size of 25-40 nm.

Preferably, the organic antibacterial agent is selected from one or more of trimethoxysilylpropyldimethyloctadecyl ammonium chloride, 2-octyl-4-isothiazolin-3-one and 4, 5-dichloro-2-n-octyl-3-isothiazolin-one.

Preferably, the auxiliary agent is a defoaming agent and a wetting agent.

Preferably, the water is deionized water.

In a second aspect, the present invention provides a method for preparing an antibacterial and antiviral spray, wherein the method uses the antibacterial and antiviral spray provided by the present invention, and the method comprises the following steps:

step A: under the condition of stirring, uniformly mixing and dispersing the organic antibacterial agent, water, the defoaming agent and the wetting agent to obtain a solution A;

and B: adding a water-soluble polymer adhesive into the solution A under the stirring condition, wherein the stirring speed is 800-1000 rpm, and the stirring time is 20-30 min to obtain emulsion B;

and C: under the stirring condition, adding nano silver and nano zinc into the emulsion B, wherein the stirring speed is 800-1000 rpm, and the stirring time is 20-30 min, so as to obtain emulsion C;

step D: and filling the emulsion C into a tank filled with compressed gas to form the antibacterial and antiviral spray.

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

(1) the antibacterial and antiviral spray has the advantages of simple processing technology, easy operation, contribution to industrial large-scale production, environmental friendliness and strong market competitiveness;

(2) the antibacterial and antiviral spray is directly sprayed on the surfaces of various base materials to prepare antibacterial and antiviral products;

(3) the quick-acting killing effect on influenza A virus (H1N1) is very good, and the quick-acting killing agent is non-toxic and non-irritant to skin.

Detailed Description

The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The present invention will be described in detail below by way of examples. In the following examples, each material used was commercially available unless otherwise specified, and the method used was a conventional method in the art unless otherwise specified.

The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.

All the starting materials used in the examples are commercially available, except where otherwise indicated.

The test was carried out as follows:

antibacterial property determination method and antibacterial effect of antibacterial coating (paint film): GB/T21866-2008;

the others are carried out in a conventional manner.

Example 1

An antibacterial antiviral spray comprises the following components in parts by weight:

30 parts of water-soluble acrylic emulsion, 10 parts of nano-silver, 10 parts of nano-zinc, 10 parts of an organic antibacterial agent (specifically trimethoxysilylpropyldimethyloctadecyl ammonium chloride), 1 part of a defoaming agent (DF-38), 1 part of a wetting agent (ST-5040) and 38 parts of water.

The coating obtained by the antibacterial and antiviral spray is subjected to an antibacterial test, and the antibacterial and antiviral coating has 99.99% and 99.99% of antibacterial rate on escherichia coli (ATCC 25922) and staphylococcus aureus (ATCC 6538P), and has a killing rate on H1N1 virus of more than 99.0%.

Example 2

An antibacterial antiviral spray comprises the following components in parts by weight: 15 parts of water-soluble polyurethane emulsion, 5 parts of nano-silver, 5 parts of nano-zinc, 5 parts of organic antibacterial agent (specifically 2-octyl-4-isothiazoline-3-ketone), 0.5 part of defoaming agent (DF-38), 0.5 part of wetting agent (ST-5040) and 69 parts of water.

The coating obtained by the antibacterial and antiviral spray is subjected to an antibacterial test, and the antibacterial and antiviral coating has the antibacterial rates of 90% and 90% on escherichia coli (ATCC 25922) and staphylococcus aureus (ATCC 6538P), and the killing rate on H1N1 virus is more than 90.0%.

Example 3

An antibacterial antiviral spray comprises the following components in parts by weight: 5 parts of water-soluble polyurethane emulsion, 10 parts of nano-silver, 10 parts of nano-zinc, 5 parts of organic antibacterial agent (specifically 4, 5-dichloro-2-n-octyl-3-isothiazolinone), 0.5 part of defoaming agent (DF-38), 0.5 part of wetting agent (ST-5040) and 69 parts of water.

The coating obtained by the antibacterial and antiviral spray is subjected to an antibacterial test, and the antibacterial and antiviral coating has 99.99% and 99.99% of antibacterial rate on escherichia coli (ATCC 25922) and staphylococcus aureus (ATCC 6538P), and has a killing rate on H1N1 virus of over 90.0%.

The preparation method of the antibacterial and antiviral spray in each embodiment is prepared by the following steps:

step A: under the condition of stirring, uniformly mixing and dispersing the organic antibacterial agent, water, the defoaming agent and the wetting agent to obtain a solution A;

and B: under the stirring condition, adding a water-soluble polymer adhesive into the solution A, wherein the stirring speed is 800rpm, and the stirring time is 25min to obtain emulsion B;

and C: under the stirring condition, adding nano silver and nano zinc into the emulsion B, wherein the stirring speed is 1000rpm, and the stirring time is 25min, so as to obtain emulsion C;

step D: and filling the emulsion C into a tank filled with compressed gas to form the antibacterial and antiviral spray.

The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.