CN112427278A - Diamond antibacterial coating technology - Google Patents
Diamond antibacterial coating technology Download PDFInfo
- Publication number
- CN112427278A CN112427278A CN202011258388.7A CN202011258388A CN112427278A CN 112427278 A CN112427278 A CN 112427278A CN 202011258388 A CN202011258388 A CN 202011258388A CN 112427278 A CN112427278 A CN 112427278A
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- CN
- China
- Prior art keywords
- diamond
- diamond powder
- target substrate
- coating technology
- antibacterial coating
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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
- 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
- B05D7/24—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 for applying particular liquids or other fluent materials
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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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
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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
- 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
- B05D7/02—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 to macromolecular substances, e.g. rubber
-
- 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
- B05D7/06—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 to wood
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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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- 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
Abstract
The invention relates to the technical field of antibacterial coatings, and discloses a diamond antibacterial coating technology, aiming at solving the problems of difficult application of diamond powder and the like in the prior art, a physical rolling method is adopted, and comprises the following steps: s1, providing diamond powder, a rolling device and a target substrate; s2, carrying out oxygen modification on the diamond powder to graft an oxidation functional group on the surface of the diamond; s3, flatly paving the oxygen modified diamond powder on the surface of the target substrate, and rolling the flatly paved surface by using the rolling device to uniformly embed the diamond powder on the surface of the target substrate. The diamond antibacterial coating prepared by the physical rolling method has the advantages of simple operation process, stable coating quality and good antibacterial performance, and is suitable for industrial production.
Description
Technical Field
The invention relates to the technical field of antibacterial coatings, in particular to a diamond antibacterial coating technology.
Background
Diamond powder, as one of the representatives of carbon nanomaterials, has a competitive potential in the biomedical field by virtue of its excellent biocompatibility. Particularly in the antibacterial field, diamond powder has been proven to have high bactericidal efficacy against gram-negative and gram-positive bacteria.
In the mechanism of diamond antibiosis, oxygen-containing functional groups on the surface of diamond play a great role in the diamond antibiosis process. In the interaction with bacteria, the surface with oxygen-containing functional groups can generate active oxygen free radicals, and the active oxygen free radicals generate oxidation reaction on the cell walls of the bacteria to cause the disturbance of the internal environment of the bacteria, thereby achieving the bacteriostatic effect.
However, the diamond powder is difficult to be put into practical use in life. The diamond powder is prepared into a coating, and has a positive effect on promoting the application of the diamond powder.
Disclosure of Invention
The invention aims to solve the defects of difficult application of diamond powder and the like in the prior art, and provides a diamond antibacterial coating technology.
A diamond antibacterial coating technology adopts a physical rolling method and comprises the following steps:
s1, providing diamond powder, a rolling device and a target substrate;
s2, carrying out oxygen modification on the diamond powder to graft an oxidation functional group on the surface of the diamond;
s3, flatly paving the oxygen modified diamond powder on the surface of the target substrate, and rolling the flatly paved surface by using the rolling device to uniformly embed the diamond powder on the surface of the target substrate.
Preferably, the rolling device has a pressure induction function, and the diamond powder on the surface of the substrate is rolled according to the set pressure, so that the diamond powder is fully embedded into the surface of the substrate.
Preferably, the pressure set by the rolling device is determined by the hardness of the diamond powder and the hardness of the target substrate, and the pressure is inversely proportional to the difference between the hardness of the diamond powder and the hardness of the target substrate.
Preferably, the target substrate is made of a flexible material of wood or plastic.
Preferably, the rolling device comprises a pressure setting switch, a pressure gauge, a rotating shaft and a roller, wherein the pressure setting switch is connected with the rotating shaft through the pressure gauge, and the roller is rotatably arranged on the rotating shaft.
Preferably, in S2, the specific oxygen modification process of the diamond powder is as follows: firstly, heating diamond powder in hydrogen peroxide, and then putting the diamond powder in air for annealing treatment.
Preferably, the diamond powder is heated in hydrogen peroxide at 80-100 ℃ for 10-20 h.
Preferably, the annealing temperature of the diamond powder in the air is 400-700 ℃, and the annealing time is 10-20 h.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts a physical rolling method to prepare the diamond coating, and solves the problem that the diamond powder is difficult to apply.
2. The invention adopts a physical rolling method to prepare the diamond coating, has simple operation process, stable coating quality and good antibacterial property, and is suitable for industrial production.
Drawings
Fig. 1 is a schematic flow structure diagram of a diamond antibacterial coating technology provided by the invention.
Fig. 2 shows a rolling device according to the present invention.
In the figure: 1 pressure setting switch, 2 pressure gauges, 3 pivots, 4 gyro wheels.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Referring to fig. 1-2, the diamond antibacterial coating technology provided by the invention adopts a physical rolling method and comprises the following steps:
s1, providing diamond powder, a rolling device and a target substrate, wherein the target substrate is made of wood boards or plastics or other flexible materials, the rolling device comprises a pressure setting switch 1, a pressure meter 2, a rotating shaft 3 and a roller 4, the pressure setting switch 1 is connected with the rotating shaft 3 through the pressure meter 2, the roller 4 is rotatably installed on the rotating shaft 3, the rolling device has a pressure sensing function, and the diamond powder on the surface of the substrate is rolled according to the set pressure so that the diamond powder is fully embedded into the surface of the substrate, and the rolling device is worthy of illustration: the pressure intensity set by the rolling device is determined according to the hardness of the diamond powder and the hardness of the target substrate, and the pressure intensity is inversely proportional to the hardness difference value of the diamond powder and the target substrate;
s2, carrying out oxygen modification on the diamond powder, firstly heating the diamond powder in hydrogen peroxide at 80-100 ℃ for 10-20h, then placing the diamond powder in air for annealing treatment at 400-700 ℃ for 10-20h, and grafting an oxidation functional group on the surface of the diamond;
s3, flatly paving the oxygen modified diamond powder on the surface of the target substrate, and rolling the flatly paved surface by using the rolling device to uniformly embed the diamond powder on the surface of the target substrate.
Example (b):
5g of diamond powder, a rolling device and a 5cm x 5cm pine wood substrate were provided.
5g of diamond powder was put into 500mL of hydrogen peroxide, and heat-treated at 90 ℃ for 10 hours. And then transferring the diamond powder into a muffle furnace, and annealing for 10 hours at the temperature of 600 ℃ in the air to obtain the final oxygen modified diamond powder.
And flatly paving the oxygen modified diamond powder on the wood board, setting the pressure of 5.8MPa on a rolling device to repeatedly roll the diamond powder on the wood board until the diamond powder is completely embedded into the surface of the wood board. Therefore, the diamond antibacterial coating is obtained on the surface of the wood board, the coating has stable quality and good antibacterial performance, and the problem that the diamond powder is difficult to apply is solved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The diamond antibacterial coating technology is characterized in that a physical rolling method is adopted, and the method comprises the following steps:
s1, providing diamond powder, a rolling device and a target substrate;
s2, carrying out oxygen modification on the diamond powder to graft an oxidation functional group on the surface of the diamond;
s3, flatly paving the oxygen modified diamond powder on the surface of the target substrate, and rolling the flatly paved surface by using the rolling device to uniformly embed the diamond powder on the surface of the target substrate.
2. A diamond antibacterial coating technology according to claim 1, wherein the rolling device has a pressure induction function, and the diamond powder on the surface of the substrate is rolled according to a set pressure, so that the diamond powder is fully embedded into the surface of the substrate.
3. A diamond antibacterial coating technology according to claim 2, wherein the pressure set by the rolling device is determined by the hardness of the diamond powder and the hardness of the target substrate, and the pressure is inversely proportional to the difference between the hardness of the diamond powder and the hardness of the target substrate.
4. A diamond antimicrobial coating technique as claimed in claim 3 wherein said target substrate is made of a flexible material such as wood or plastic.
5. A diamond antibacterial coating technology according to claim 1, characterized in that the rolling device comprises a pressure setting switch (1), a pressure gauge (2), a rotating shaft (3) and a roller (4), the pressure setting switch (1) is connected with the rotating shaft (3) through the pressure gauge (2), and the roller (4) is rotatably mounted on the rotating shaft (3).
6. The diamond antibacterial coating technology according to claim 1, wherein in the step S2, the specific oxygen modification process of the diamond powder is as follows: firstly, heating diamond powder in hydrogen peroxide, and then putting the diamond powder in air for annealing treatment.
7. A diamond antibacterial coating technology as claimed in claim 6, wherein the diamond powder is heated in hydrogen peroxide at 80-100 deg.C for 10-20 h.
8. The diamond antibacterial coating technology as claimed in claim 6, wherein the annealing temperature of the diamond powder in the air is 400-700 ℃, and the annealing time is 10-20 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258388.7A CN112427278A (en) | 2020-11-12 | 2020-11-12 | Diamond antibacterial coating technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011258388.7A CN112427278A (en) | 2020-11-12 | 2020-11-12 | Diamond antibacterial coating technology |
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| Publication Number | Publication Date |
|---|---|
| CN112427278A true CN112427278A (en) | 2021-03-02 |
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| CN202011258388.7A Pending CN112427278A (en) | 2020-11-12 | 2020-11-12 | Diamond antibacterial coating technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183268A (en) * | 2021-03-25 | 2021-07-30 | 刘超 | Diamond antibacterial coating divides box suppression device |
| WO2021219132A1 (en) * | 2020-04-30 | 2021-11-04 | Master Dynamic Limited | Anti contaminant coating |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832705A (en) * | 1987-06-05 | 1989-05-23 | Idwal Davies | Method of producing abrasive particle-containing bodies |
| CN1954043A (en) * | 2004-09-23 | 2007-04-25 | 六号元素(控股)公司 | Coated abrasive materials and method of manufacture |
-
2020
- 2020-11-12 CN CN202011258388.7A patent/CN112427278A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4832705A (en) * | 1987-06-05 | 1989-05-23 | Idwal Davies | Method of producing abrasive particle-containing bodies |
| CN1954043A (en) * | 2004-09-23 | 2007-04-25 | 六号元素(控股)公司 | Coated abrasive materials and method of manufacture |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021219132A1 (en) * | 2020-04-30 | 2021-11-04 | Master Dynamic Limited | Anti contaminant coating |
| CN113183268A (en) * | 2021-03-25 | 2021-07-30 | 刘超 | Diamond antibacterial coating divides box suppression device |
| CN113183268B (en) * | 2021-03-25 | 2022-08-16 | 山东聊城君锐超硬材料有限公司 | Diamond antibacterial coating divides box suppression device |
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