CN111378303B - Bactericidal coating and preparation method thereof - Google Patents
Bactericidal coating and preparation method thereof Download PDFInfo
- Publication number
- CN111378303B CN111378303B CN202010277397.4A CN202010277397A CN111378303B CN 111378303 B CN111378303 B CN 111378303B CN 202010277397 A CN202010277397 A CN 202010277397A CN 111378303 B CN111378303 B CN 111378303B
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- coating
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- salt
- phosphopeptide
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Classifications
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- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- 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
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- 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
- C09D5/32—Radiation-absorbing 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
- 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
Abstract
The invention provides a bactericidal coating and a preparation method thereof, comprising the following steps: inorganic coatings and organic coatings; the inorganic coating is coated on the surface of the base material, and the organic coating is coated on the surface of the inorganic coating; the raw materials of the inorganic coating comprise: silver activated carbon, phosphopeptide salt and zirconium phosphate with the mass ratio of 1:0.1: 0.8-1.2; the organic coating comprises the following raw materials: the silicone resin comprises a pyrithione, o-phenylphenol and 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole in a mass ratio of 100:0.2-0.4:0.1-0.3: 0.2-0.4.
Description
Technical Field
The invention belongs to the field of antibacterial materials, and particularly relates to a bactericidal coating and a preparation method thereof.
Background
In severe viral conditions, many viruses will remain on the surface of the vector for a certain period of time and continue to infect the contacter. Therefore, there is a need for an antibacterial and virucidal material which can greatly reduce the harm of viruses to the society, can rapidly kill bacteria on the surface, and needs certain weather resistance, heat resistance, antibacterial breadth and rapid sterilization effect.
Disclosure of Invention
The invention provides a bactericidal coating and a preparation method thereof, which are applied to the environment needing sterilization and various conditions capable of contacting with sunlight, and have stronger effects on escherichia coli and staphylococcus aureus; the heat resistance is better; has high safety to human and animals.
In order to achieve the purpose of the invention, the technical scheme adopted by the invention is as follows:
a biocidal coating comprising: inorganic coatings and organic coatings; the inorganic coating is coated on the surface of the base material, and the organic coating is coated on the surface of the inorganic coating; the raw materials of the inorganic coating comprise: silver activated carbon, phosphopeptide salt and zirconium phosphate with the mass ratio of 1:0.1: 0.8-1.2; the organic coating comprises the following raw materials: the silicone resin comprises a pyrithione, o-phenylphenol and 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole in a mass ratio of 100:0.2-0.4:0.1-0.3: 0.2-0.4.
Further, the inorganic coating is prepared by electrostatic spraying.
Further, the zirconium phosphate salt is sodium zirconium hydroxy phosphate, and the phosphopeptide salt is casein phosphopeptide zinc.
Further, the particle size of the silver activated carbon, the phosphopeptide salt and the zirconium phosphate salt is less than 0.1 mm.
Further, the silver loading of the silver activated carbon is 10%.
Further, the thickness of the inorganic coating is 0.4mm, and the thickness of the organic coating is 1 mm.
A preparation method of a bactericidal coating comprises the following steps:
(1) uniformly mixing silver activated carbon, phosphopeptide salt and zirconium phosphate, electrostatically spraying the mixture on the surface of a base material, and drying to form an inorganic coating;
(2) uniformly mixing organic silicon resin, pyrithione, o-phenylphenol, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole, coating the mixture on the surface of an inorganic coating, and drying and aging the inorganic coating in a ventilated place.
The invention has the beneficial effects that:
products of the invention
1. Inorganic antibacterial materials such as silver activated carbon, phosphopeptide salt and zirconium phosphate are added to common materials to enhance the heat resistance of the materials and the special biological activity of the phosphopeptide salt, so that the antibacterial breadth can be effectively improved, the antibacterial effect is promoted, and the drug resistance is reduced; the sterilization speed of organic materials such as phenols and pyridines and the like is enhanced, the processing difficulty is reduced, and the stability is improved.
2. Through the surface coating one deck organic material at inorganic coating, can effectual improvement inorganic coating's durability, be difficult to peel off, it can effectively absorb the ultraviolet wave to add 2- (2 ' -hydroxy-5 ' -methylphenyl) benzotriazole in organic coating simultaneously, and it just has certain bacterinertness itself, can improve the excitation of inorganic antibacterial agent simultaneously, promotes antibacterial effect.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Any modifications that can be easily made by a person skilled in the art to the present invention without departing from the technical solutions of the present invention will fall within the scope of the claims of the present invention.
The particles of the silver activated carbon, the phosphopeptide salt and the zirconium phosphate salt are 10-20 um. The silver loading of the silver activated carbon was 10%. The products are all customized products.
Example 1
A biocidal coating comprising: inorganic coatings and organic coatings; the inorganic coating is coated on the surface of the base material, and the organic coating is coated on the surface of the inorganic coating; the raw materials of the inorganic coating comprise: silver activated carbon, phosphopeptide salt and zirconium phosphate in a mass ratio of 1:0.1: 1; the organic coating comprises the following raw materials: the silicone resin comprises a silicone resin, pyrithione, o-phenylphenol, and 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole in a mass ratio of 100:0.3:0.2: 0.3.
The zirconium phosphate salt is sodium zirconium hydroxy phosphate, and the phosphopeptide salt is casein phosphopeptide zinc. The thickness of the inorganic coating is 0.4mm, and the thickness of the organic coating is 1 mm.
A preparation method of a bactericidal coating comprises the following steps:
(1) uniformly mixing silver activated carbon, phosphopeptide salt and zirconium phosphate, electrostatically spraying the mixture on the surface of a base material, and drying to form an inorganic coating;
(2) uniformly mixing organic silicon resin, pyrithione, o-phenylphenol, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole, coating the mixture on the surface of an inorganic coating, and drying and aging the inorganic coating in a ventilated place.
Example 2
Same as example 1 except that silver activated carbon, phosphopeptide salt, zirconium phosphate salt were used in a mass ratio of 1:0.1: 0.8; the silicone resin comprises a silicone resin, pyrithione, o-phenylphenol, and 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole in a mass ratio of 100:0.4:0.1: 0.4.
Example 3
Same as example 1 except that silver activated carbon, phosphopeptide salt, zirconium phosphate salt were used in a mass ratio of 1:0.1: 1.2; the silicone resin comprises a silicone resin, pyrithione, o-phenylphenol, and 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole in a mass ratio of 100:0.2:0.3: 0.2.
Comparative example 1
Same as example 1 except that no casein phosphopeptide zinc was added.
Comparative example 2
Same as example 1 except that no zirconium phosphate salt was added.
Comparative example 3
Same as example 1 except that 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole is not added.
Comparative example 4
Same as example 1 except that no o-phenylphenol was added.
Comparative example 5
Same as example 1 except that pyrithione was not added.
An antibacterial coating was prepared according to examples and comparative examples on the same substrate, and antibacterial test was performed according to JIS-Z-2801 to calculate the R value, and the test species was Staphylococcus aureus. The prepared material with the bactericidal coating was left outdoor for 3 months and then tested again for R value.
TABLE 1
| R | R after 3 months | |
| Example 1 | 2.8 | 2.6 |
| Example 2 | 2.5 | 2.4 |
| Example 3 | 2.5 | 2.3 |
| Comparative example 1 | 2.4 | 1.6 |
| Comparative example 2 | 1.9 | 1.7 |
| Comparative example 3 | 2.1 | 1.2 |
| Comparative example 4 | 2.1 | 1.7 |
| Comparative example 5 | 1.9 | 1.6 |
As can be seen from the numerical values in the table, the phosphopeptide salt and the zirconium phosphate salt of the present invention have a synergistic antibacterial effect, the phosphopeptide salt has an effective long-term antibacterial effect, and the 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole has an effective antibacterial activity promoting effect, and can effectively improve a long-term antibacterial effect. The cooperation of the o-phenylphenol and the pyrithione can effectively improve the antibacterial effect.
Claims (7)
1. A biocidal coating characterized by: the method comprises the following steps: inorganic coatings and organic coatings; the inorganic coating is coated on the surface of the base material, and the organic coating is coated on the surface of the inorganic coating; the raw materials of the inorganic coating comprise: silver activated carbon, phosphopeptide salt and zirconium phosphate with the mass ratio of 1:0.1: 0.8-1.2; the organic coating comprises the following raw materials: the silicone resin comprises a pyrithione, o-phenylphenol and 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole in a mass ratio of 100:0.2-0.4:0.1-0.3: 0.2-0.4.
2. The biocidal coating of claim 1, wherein: the inorganic coating is prepared by electrostatic spraying.
3. The biocidal coating of claim 1, wherein said zirconium phosphate salt is sodium zirconium hydroxy phosphate and said phosphopeptide salt is zinc casein phosphopeptide.
4. The biocidal coating of claim 1, wherein: the particle sizes of the silver activated carbon, the phosphopeptide salt and the zirconium phosphate salt are less than 0.1 mm.
5. The biocidal coating of claim 1, wherein: the silver loading of the silver activated carbon is 10%.
6. The biocidal coating of claim 1, wherein: the thickness of the inorganic coating is 0.4mm, and the thickness of the organic coating is 1 mm.
7. A method for preparing a bactericidal coating according to any one of claims 1 to 6, wherein: the method comprises the following steps:
(1) uniformly mixing silver activated carbon, phosphopeptide salt and zirconium phosphate, electrostatically spraying the mixture on the surface of a base material, and drying to form an inorganic coating;
(2) uniformly mixing organic silicon resin, pyrithione, o-phenylphenol, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole, coating the mixture on the surface of an inorganic coating, and drying and aging the inorganic coating in a ventilated place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010277397.4A CN111378303B (en) | 2020-04-10 | 2020-04-10 | Bactericidal coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010277397.4A CN111378303B (en) | 2020-04-10 | 2020-04-10 | Bactericidal coating and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111378303A CN111378303A (en) | 2020-07-07 |
| CN111378303B true CN111378303B (en) | 2021-07-27 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168653A (en) * | 1994-12-05 | 1997-12-24 | 奥林公司 | Synergistic antimicrobial composition containing pyrithione and alcohol |
| CN101010004A (en) * | 2004-07-30 | 2007-08-01 | 艾克里麦德公司 | Antimicrobial devices and compositions |
| CN101909732A (en) * | 2007-12-28 | 2010-12-08 | 金伯利-克拉克环球有限公司 | Be used to prepare the ultrasonic treatment chamber of anti-microbial agents |
| CN107529745A (en) * | 2015-05-15 | 2018-01-02 | 富士胶片株式会社 | Antimicrobial fluid, antibacterial film and wet mop towel |
| WO2018026648A1 (en) * | 2016-08-05 | 2018-02-08 | Seabourne Solutions | Polymeric coatings for metal surfaces |
-
2020
- 2020-04-10 CN CN202010277397.4A patent/CN111378303B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168653A (en) * | 1994-12-05 | 1997-12-24 | 奥林公司 | Synergistic antimicrobial composition containing pyrithione and alcohol |
| CN101010004A (en) * | 2004-07-30 | 2007-08-01 | 艾克里麦德公司 | Antimicrobial devices and compositions |
| CN101909732A (en) * | 2007-12-28 | 2010-12-08 | 金伯利-克拉克环球有限公司 | Be used to prepare the ultrasonic treatment chamber of anti-microbial agents |
| CN107529745A (en) * | 2015-05-15 | 2018-01-02 | 富士胶片株式会社 | Antimicrobial fluid, antibacterial film and wet mop towel |
| WO2018026648A1 (en) * | 2016-08-05 | 2018-02-08 | Seabourne Solutions | Polymeric coatings for metal surfaces |
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| CN111378303A (en) | 2020-07-07 |
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