CN115999863A - Preparation method of antibacterial electrostatic powder spraying aluminum alloy - Google Patents
Preparation method of antibacterial electrostatic powder spraying aluminum alloy Download PDFInfo
- Publication number
- CN115999863A CN115999863A CN202211571380.5A CN202211571380A CN115999863A CN 115999863 A CN115999863 A CN 115999863A CN 202211571380 A CN202211571380 A CN 202211571380A CN 115999863 A CN115999863 A CN 115999863A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- antibacterial
- spraying
- weight percent
- electrostatic
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention belongs to the technical field of aluminum alloy surface treatment, in particular to a preparation method of an antibacterial electrostatic powder spraying aluminum alloy, which comprises the following steps: carrying out alkali washing oil removal and acid washing neutralization pretreatment on the aluminum alloy, and cleaning the aluminum alloy by pure water; placing the aluminum alloy into a phosphating solution, cleaning with pure water, wherein the temperature of the bath solution is 15-35 ℃ and the treatment time is 1-15 min; carrying out electrostatic powder spraying on the aluminum alloy, wherein the spraying voltage of an electrostatic spray gun is 125-150 KV, the electrostatic spraying current is 50-75 mu A, the spraying air pressure is 0.25-0.30 Mpa, the spraying temperature of the spray gun is 20-30 ℃, and the electrostatic spraying distance is maintained between 20 cm and 30 cm; the thickness of the electrostatic powder sprayed coating was monitored by an infrared detector and controlled to be between 60 and 80 μm. In the invention, functional assistants such as specific nano powder antibacterial agent, adhesion promoter and the like are added in the powder spraying, and the effective antibacterial component is loaded while the wear-resistant coating with good adhesion is prepared on the surface of the aluminum alloy, so that the coating has an antibacterial function.
Description
Technical Field
The invention relates to the technical field of aluminum alloy surface treatment, in particular to a preparation method of an antibacterial electrostatic powder spraying aluminum alloy.
Background
The aluminum alloy is an alloy based on aluminum and added with a certain amount of other alloying elements, and is one of light metal materials. The composite antibacterial phase precipitated in the granular nanometer level is uniformly dispersed in the composite antibacterial aluminum alloy matrix by adding a proper amount of composite antibacterial alloy elements such as copper, silver, rare earth and the like into the aluminum alloy and performing special antibacterial treatment, so that the aluminum alloy has good composite antibacterial performance.
Aiming at the problems of poor antibacterial property of aluminum alloy and poor binding force between a coating and a base material in the prior art; not wear-resistant, and poor in durability; the technology has the problems of pollution and the like, and the patent provides an aluminum alloy surface antibacterial coating and a preparation method thereof.
Disclosure of Invention
Based on the fact that the antibacterial property of the aluminum alloy in the prior art is poor, the binding force between the coating and the base material is poor; not wear-resistant, and poor in durability; the invention provides a preparation method of an antibacterial electrostatic powder spraying aluminum alloy, which has the problems of pollution and the like in the process.
The invention provides a preparation method of an antibacterial electrostatic powder spraying aluminum alloy, which comprises the following steps:
s1: carrying out alkali washing oil removal and acid washing neutralization pretreatment on the aluminum alloy, and cleaning the aluminum alloy by pure water;
s2: placing the aluminum alloy into a phosphating solution, cleaning with pure water, wherein the temperature of the bath solution is 15-35 ℃ and the treatment time is 1-15 min;
s3: carrying out electrostatic powder spraying on the aluminum alloy, wherein the spraying voltage of an electrostatic spray gun is 125-150 KV, the electrostatic spraying current is 50-75 mu A, the spraying air pressure is 0.25-0.30 Mpa, the spraying temperature of the spray gun is 20-30 ℃, and the electrostatic spraying distance is maintained between 20 cm and 30 cm; monitoring the thickness of the electrostatic powder spraying coating by adopting an infrared detector and controlling the thickness to be 60-80 mu m;
s4: placing the aluminum alloy in an oven for high-temperature curing treatment at 180-230 ℃ for 0.5-1.5h;
s5: and (5) checking and packaging.
Further, the nano antibacterial powder comprises the following raw materials: 1 to 5 weight percent of composite antibacterial agent, 0.5 to 1.5 weight percent of adhesion promoter, 30 to 40 weight percent of epoxy resin, 25 to 30 weight percent of polyester resin, 15 to 20 weight percent of nano polyurethane filler, 3 to 6 weight percent of nano silicon dioxide, 2 to 5 weight percent of coupling agent, 2 to 6 weight percent of curing agent, 1 to 3 weight percent of flatting agent and 4 to 8 weight percent of inorganic pigment.
Further, the composite antibacterial agent is formed by compositing an inorganic antibacterial agent and an organic antibacterial agent; the inorganic antibacterial agent and the organic antibacterial agent in the composite antibacterial agent are 1: (0.5-1).
Further, the inorganic antibacterial agent can be any one or a combination of at least two of silver-zinc inorganic antibacterial agent, metal ion loaded zeolite antibacterial agent, nano zinc oxide antibacterial agent, silica gel antibacterial agent, phosphate double salt antibacterial agent, bentonite antibacterial agent, soluble glass antibacterial agent, titanium dioxide and bismuth tungstate.
Further, the organic antibacterial agent is any one or a combination of at least two of quaternary ammonium salt, quaternary phosphonium salt, organic tin, halogenated amine, guanidine salt, desethylphthalein chitin or chitosan and derivatives thereof.
Compared with the prior art, the invention provides a preparation method of an antibacterial electrostatic powder spraying aluminum alloy, which has the following beneficial effects:
the antibacterial coating on the surface of the aluminum alloy prepared by the method has high uniform and compact coverage rate and excellent binding force with a substrate; the coating has high hardness and good wear resistance; the coating has high content of effective antibacterial components and excellent long-acting antibacterial effect; the process is efficient and environment-friendly, the powder can be recycled, and zero emission can be realized.
Drawings
Fig. 1 is a schematic flow chart of a preparation method of an antibacterial electrostatic powder spraying aluminum alloy.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1, a method for preparing an antibacterial electrostatic powder sprayed aluminum alloy includes the following steps:
s1: carrying out alkali washing oil removal and acid washing neutralization pretreatment on the aluminum alloy, and cleaning the aluminum alloy by pure water;
s2: placing the aluminum alloy into a phosphating solution, cleaning with pure water, wherein the temperature of the bath solution is 15-35 ℃ and the treatment time is 1-15 min;
s3: carrying out electrostatic powder spraying on the aluminum alloy, wherein the spraying voltage of an electrostatic spray gun is 125-150 KV, the electrostatic spraying current is 50-75 mu A, the spraying air pressure is 0.25-0.30 Mpa, the spraying temperature of the spray gun is 20-30 ℃, and the electrostatic spraying distance is maintained between 20 cm and 30 cm; monitoring the thickness of the electrostatic powder spraying coating by adopting an infrared detector and controlling the thickness to be 60-80 mu m;
s4: placing the aluminum alloy in an oven for high-temperature curing treatment at 180-230 ℃ for 0.5-1.5h;
s5: and (5) checking and packaging.
In the invention, the nano antibacterial powder comprises the following raw materials: 1 to 5 weight percent of composite antibacterial agent, 0.5 to 1.5 weight percent of adhesion promoter, 30 to 40 weight percent of epoxy resin, 25 to 30 weight percent of polyester resin, 15 to 20 weight percent of nano polyurethane filler, 3 to 6 weight percent of nano silicon dioxide, 2 to 5 weight percent of coupling agent, 2 to 6 weight percent of curing agent, 1 to 3 weight percent of flatting agent and 4 to 8 weight percent of inorganic pigment.
In the invention, the composite antibacterial agent is formed by compositing an inorganic antibacterial agent and an organic antibacterial agent; the inorganic antibacterial agent and the organic antibacterial agent in the composite antibacterial agent are 1: (0.5-1).
In the invention, the inorganic antibacterial agent can be any one or the combination of at least two of silver-zinc inorganic antibacterial agent, metal ion loaded zeolite antibacterial agent, nano zinc oxide antibacterial agent, silica gel antibacterial agent, phosphoric acid double salt antibacterial agent, bentonite antibacterial agent, soluble glass antibacterial agent, titanium dioxide and bismuth tungstate.
In the invention, the organic antibacterial agent is any one or a combination of at least two of quaternary ammonium salt, quaternary phosphonium salt, organic tin, halogenated amine, guanidine salt, desethylphthalein chitin or chitosan and derivatives thereof.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The preparation method of the antibacterial electrostatic powder spraying aluminum alloy is characterized by comprising the following steps of:
s1: carrying out alkali washing oil removal and acid washing neutralization pretreatment on the aluminum alloy, and cleaning the aluminum alloy by pure water;
s2: placing the aluminum alloy into a phosphating solution, cleaning with pure water, wherein the temperature of the bath solution is 15-35 ℃ and the treatment time is 1-15 min;
s3: carrying out electrostatic powder spraying on the aluminum alloy, wherein the spraying voltage of an electrostatic spray gun is 125-150 KV, the electrostatic spraying current is 50-75 mu A, the spraying air pressure is 0.25-0.30 Mpa, the spraying temperature of the spray gun is 20-30 ℃, and the electrostatic spraying distance is maintained between 20 cm and 30 cm; monitoring the thickness of the electrostatic powder spraying coating by adopting an infrared detector and controlling the thickness to be 60-80 mu m;
s4: placing the aluminum alloy in an oven for high-temperature curing treatment at 180-230 ℃ for 0.5-1.5h;
s5: and (5) checking and packaging.
2. The method for preparing the antibacterial electrostatic powder spraying aluminum alloy according to claim 1, wherein the nano antibacterial powder comprises the following raw materials: 1 to 5 weight percent of composite antibacterial agent, 0.5 to 1.5 weight percent of adhesion promoter, 30 to 40 weight percent of epoxy resin, 25 to 30 weight percent of polyester resin, 15 to 20 weight percent of nano polyurethane filler, 3 to 6 weight percent of nano silicon dioxide, 2 to 5 weight percent of coupling agent, 2 to 6 weight percent of curing agent, 1 to 3 weight percent of flatting agent and 4 to 8 weight percent of inorganic pigment.
3. The method for preparing the antibacterial electrostatic powder spraying aluminum alloy according to claim 2, wherein the composite antibacterial agent is a composite of an inorganic antibacterial agent and an organic antibacterial agent; the inorganic antibacterial agent and the organic antibacterial agent in the composite antibacterial agent are 1: (0.5-1).
4. The method for preparing an antibacterial electrostatic powder sprayed aluminum alloy according to claim 3, wherein the inorganic antibacterial agent is selected from any one or a combination of at least two of silver-zinc inorganic antibacterial agents, metal ion-loaded zeolite antibacterial agents, nano zinc oxide antibacterial agents, silica gel antibacterial agents, phosphoric acid double salt antibacterial agents, bentonite antibacterial agents, soluble glass antibacterial agents, titanium dioxide and bismuth tungstate.
5. The method for preparing an antibacterial electrostatic powder sprayed aluminum alloy according to claim 4, wherein the organic antibacterial agent is any one or a combination of at least two antibacterial agents selected from quaternary ammonium salts, quaternary phosphonium salts, organotin, haloamines, guanidine salts, desethylphthalein or chitosan and derivatives thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211571380.5A CN115999863A (en) | 2022-12-08 | 2022-12-08 | Preparation method of antibacterial electrostatic powder spraying aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211571380.5A CN115999863A (en) | 2022-12-08 | 2022-12-08 | Preparation method of antibacterial electrostatic powder spraying aluminum alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115999863A true CN115999863A (en) | 2023-04-25 |
Family
ID=86036487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211571380.5A Pending CN115999863A (en) | 2022-12-08 | 2022-12-08 | Preparation method of antibacterial electrostatic powder spraying aluminum alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115999863A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1528834A (en) * | 1975-03-06 | 1978-10-18 | Yoshida Kogyo Kk | Process for coating aluminum and aluminum alloys |
| JP2000282251A (en) * | 1999-01-25 | 2000-10-10 | Topy Ind Ltd | Coating method for aluminum base material and aluminum alloy base material, and coated article |
| CN110216055A (en) * | 2019-06-22 | 2019-09-10 | 王佳明 | A kind of aluminium alloy surface treatment method |
| CN110280466A (en) * | 2019-07-24 | 2019-09-27 | 河源市益豪塑胶五金电子制品有限公司 | A kind of electrostatic painting process of aluminium alloy extrusions |
| CN111036518A (en) * | 2020-01-02 | 2020-04-21 | 山东洋林建材有限公司 | Copper-imitated wire drawing plate and manufacturing process thereof |
| CN111408531A (en) * | 2020-03-24 | 2020-07-14 | 同曦集团有限公司 | Antibacterial and antiviral aluminum alloy electrostatic powder spraying process |
-
2022
- 2022-12-08 CN CN202211571380.5A patent/CN115999863A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1528834A (en) * | 1975-03-06 | 1978-10-18 | Yoshida Kogyo Kk | Process for coating aluminum and aluminum alloys |
| JP2000282251A (en) * | 1999-01-25 | 2000-10-10 | Topy Ind Ltd | Coating method for aluminum base material and aluminum alloy base material, and coated article |
| CN110216055A (en) * | 2019-06-22 | 2019-09-10 | 王佳明 | A kind of aluminium alloy surface treatment method |
| CN110280466A (en) * | 2019-07-24 | 2019-09-27 | 河源市益豪塑胶五金电子制品有限公司 | A kind of electrostatic painting process of aluminium alloy extrusions |
| CN111036518A (en) * | 2020-01-02 | 2020-04-21 | 山东洋林建材有限公司 | Copper-imitated wire drawing plate and manufacturing process thereof |
| CN111408531A (en) * | 2020-03-24 | 2020-07-14 | 同曦集团有限公司 | Antibacterial and antiviral aluminum alloy electrostatic powder spraying process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111408531A (en) | Antibacterial and antiviral aluminum alloy electrostatic powder spraying process | |
| EP1712659A1 (en) | Corrosion resistant article and method of production thereof | |
| EP1669475B1 (en) | Pretreatment method and powder coating step for coating surface of metal for vehicle chassis | |
| CA2842937C (en) | Aluminum alloy coated pigments and corrosion-resistant coatings | |
| CA2492936A1 (en) | Superprimer | |
| CN105255324A (en) | Hydrophobic and oleophobic coating with super-long durable corrosion resistance and low surface energy and preparation process of hydrophobic and oleophobic coating | |
| CN102676971A (en) | Preparation method for composite coating of outer surface of nodular cast iron pipe | |
| CN105499107A (en) | Elastic strip anti-corrosion material and elastic strip anti-corrosion treatment method | |
| CN103333579B (en) | A kind of hot spray coating surface-sealing agent and application thereof | |
| CN103695834A (en) | Method for spraying titanium coating on substrate | |
| CN115999863A (en) | Preparation method of antibacterial electrostatic powder spraying aluminum alloy | |
| KR100707884B1 (en) | Method for anticorrosive coating and treatment of metal parts | |
| CN1737205A (en) | Surface treatment method for magnesium alloy | |
| JP2003083376A (en) | Plate spring and manufacturing method thereof | |
| CN105951024A (en) | Preparation method for composite coating on surface of protective guard | |
| CN103030307A (en) | Single-coated epoxy paint copper-free silver mirror and production process thereof | |
| CN110588240A (en) | Automobile hub coating film | |
| JP6155006B2 (en) | Aqueous chromium-free treatment solution | |
| CN104919085B (en) | For carrying out the water-based reagent and coating method of corrosion-resistance treatment to metal substrate | |
| CA2066590A1 (en) | Coatings | |
| CN116213221A (en) | Antibacterial and antiviral stainless steel electrostatic powder spraying process | |
| CN102314979A (en) | Rare-earth permanent magnet material with zinc-aluminum compound coating and coating agent and method for preparing rare-earth permanent magnet material | |
| JPH0565600B2 (en) | ||
| CN114933840B (en) | Corrosion-resistant salt-spray-oxidation-resistant coating for nuclear engineering cable bridge and preparation method and application thereof | |
| CN100460562C (en) | Anti-corrosion technology for type-II Zn-Cr composite coating |
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 |