CN111282790A - Antibacterial and antiviral aluminum alloy fluorocarbon roller coating process - Google Patents
Antibacterial and antiviral aluminum alloy fluorocarbon roller coating process Download PDFInfo
- Publication number
- CN111282790A CN111282790A CN202010211738.8A CN202010211738A CN111282790A CN 111282790 A CN111282790 A CN 111282790A CN 202010211738 A CN202010211738 A CN 202010211738A CN 111282790 A CN111282790 A CN 111282790A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- antibacterial
- coating
- antiviral
- temperature
- 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
Classifications
-
- 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
- B05D7/14—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 metal, e.g. car bodies
-
- 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
- B05D3/02—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 by baking
- B05D3/0254—After-treatment
- B05D3/0272—After-treatment with ovens
-
- 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
- B05D3/10—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 by other chemical means
- B05D3/102—Pretreatment of metallic substrates
-
- 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
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
-
- 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
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses an antibacterial and antiviral aluminum alloy fluorocarbon roller coating process, which comprises the following steps: s1, adopting a chemical cleaning agent for degreasing treatment and a chemical conversion solution to pretreat the surface of the aluminum alloy, and forming a layer of chemical conversion film on the surface of the aluminum alloy; s2, coating by adopting a three-roller reverse coating process, sequentially coating a primer and a finish, and adding antibacterial and antiviral components into the finish; s3, transferring the coated aluminum alloy to a high-temperature baking furnace for baking and curing, volatilizing a solvent and melting and curing resin to form a film by the coating, and forming an antibacterial and antiviral fluorocarbon coating with the thickness of 20-40 mu m on the surface of the aluminum alloy through three stages of heating, heat preservation and cooling. The prepared aluminum alloy has the advantages of uniform surface coating, no bubbles, no stripes, strong adhesive force, excellent weather resistance and excellent antibacterial and antiviral capabilities, and the test shows that the antibacterial rate of the prepared aluminum alloy to escherichia coli and staphylococcus aureus is up to more than 99%, the antiviral activity rate of the prepared aluminum alloy to H1N1 and H3N2 influenza viruses is up to more than 99%, and the mildew-proof grade is 0.
Description
Technical Field
The invention relates to an antibacterial and antiviral aluminum alloy fluorocarbon roller coating process, and belongs to the technical field of aluminum alloy surface treatment.
Background
In the coating process of aluminum alloy, a roll coating process has a long history, wherein in the roll coating process, a coating roll is used as a carrier of a coating, the coating forms a wet film with a certain thickness on the surface of the coating roll, and the coating is coated on the surface of an object to be coated by means of the contact of the coating roll and the object to be coated in the rotating process. The roller coating is suitable for coating of a planar metal plate, and is particularly suitable for high-speed coating of a metal coil. The roller coating has the characteristics of high coating speed, high production efficiency, simultaneous coating of the front surface and the back surface, near 100 percent of coating utilization rate and the like.
Although fluorocarbon roller coating process can give aluminum alloy better appearance and practicality, improper coating process parameters can cause various defects in the coating process: a) in the pretreatment process, the degreasing and coating solution PH, the dipping time and the solution temperature are improper, so that the coating has poor adhesion after coating, and the phenomena of bulging and the like are easily caused; b) the roller speed ratio is not proper, so that the coating thickness is not uniform, and the coating has the phenomena of stripes and missing coating; c) the curing temperature and the curing time are not proper, so that the coating has orange peel, cracking and peeling phenomena.
In addition, the traditional aluminum alloy coating can effectively protect an aluminum alloy substrate from further oxidation corrosion, but cannot resist the attachment and propagation of bacteria, and the bacteria attached to the surface of the aluminum alloy can pollute the aluminum alloy and cause adverse effects on various service performances of the aluminum alloy, so that the realization of the antibacterial function of the aluminum alloy is of great significance.
In summary, a set of suitable fluorocarbon roller coating process parameters needs to be explored, and the prepared aluminum alloy section bar with good appearance, excellent weather resistance, good coating performance and antibacterial and antiviral properties is needed.
Disclosure of Invention
In order to solve the technical problems, the invention provides an antibacterial and antiviral aluminum alloy fluorocarbon roller coating process, the prepared aluminum alloy surface coating is uniform, bubble-free, stripe-free, strong in adhesive force and excellent in weather resistance, in addition, antibacterial and antiviral components added in the finish paint endow the aluminum alloy with excellent antibacterial and antiviral capabilities, the antibacterial rate of the test on escherichia coli and staphylococcus aureus reaches more than 99%, the antiviral activity rate on H1N1 and H3N2 influenza viruses reaches more than 99%, the mildew-proof grade is 0 grade, the antibacterial durability is excellent, and the coating has the advantages of no toxicity, no irritation on skin and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, an antibacterial and antiviral aluminum alloy fluorocarbon roller coating process is provided, which comprises the following steps:
pretreatment before coating of S1 aluminum alloy: degreasing the surface of the aluminum alloy by using a chemical cleaning agent and pretreating the surface of the aluminum alloy by using a chemical conversion solution to form a layer of chemical conversion film on the surface of the aluminum alloy;
s2, coating the surface of the aluminum alloy pretreated by the S1 by a three-roll reverse coating process, and sequentially coating a primer and a finish, wherein the finish is added with antibacterial and antiviral components;
s3, solidifying and cooling the coating: transferring the aluminum alloy coated by the S2 into a high-temperature baking furnace for baking and curing, volatilizing a solvent and melting and curing resin to form a film by the coating, and forming an antibacterial and antiviral fluorocarbon coating with the thickness of 20-40 mu m on the surface of the aluminum alloy through three stages of heating, heat preservation and cooling.
In some embodiments, in step S1, the degreasing treatment with the chemical cleaning agent and the pretreatment of the surface of the aluminum alloy with the chemical conversion solution include:
s1.1 degreasing: putting the aluminum alloy into an acid cleaning agent with the pH value of 1-6, degreasing for 1-15 min at the cleaning agent temperature of 20-50 ℃, then cleaning for 1-4 times by using hot water with the temperature of 40-110 ℃, washing for 1-5 times by using normal-temperature water, finally cleaning for 1-4 times by using pure water, and removing oil stains and impurities on the surface of the aluminum alloy;
s1.2 chemical conversion: soaking the aluminum alloy subjected to degreasing treatment by S1.1 in a film forming solution containing potassium fluotitanate and tannic acid, wherein the film forming time is 5-25min, the pH is 2-6, the temperature of a conversion solution is 20-50 ℃, the aluminum alloy is washed for 1-6 times at normal temperature after soaking, and the aluminum alloy is washed for 1-4 times by pure water;
s1.3, drying: and (3) feeding the aluminum alloy treated by the S1.2 into an oven for drying at the drying temperature of 50-100 ℃ for 20-60 min.
In some embodiments, in step S2, the three-roll reverse coating process includes:
s2.1 surface of aluminum alloy pretreated by S1Performing primer roller coating on the pretreated aluminum alloy, wherein the production line speed is taken as a reference, and the coating roller is (0.2-0.8) VProduction ofThe material carrying roller is (1.0-2.5) VProduction ofThe thickness of the primer is 5-15 mu m;
s2.2, sending the aluminum alloy treated by the S2.1 into an oven for drying, wherein the heating rate of the oven is 1-10 ℃/min, the drying temperature is 40-90 ℃, the drying time is 20-50min, and cooling to the room temperature after drying is finished;
s2.3, carrying out finish coating on the aluminum alloy treated by the S2.2, wherein the production line speed is taken as a reference, and a coating roller is (0.2-1.2) VProduction ofThe material carrying roller is (0.5-2.5) VProduction ofThe thickness of the finish paint is 15-30 mu m;
s2.4, carrying out high-temperature baking solidification on the aluminum alloy treated by the S2.3, wherein the solidification temperature is generally 180-250 ℃, the heating rate of an oven is 2-15 ℃/min, the solidification time is 15-25min, and then cooling to room temperature.
In some embodiments, the antibacterial and antiviral component is one or more of silver-doped nano titanium dioxide, nano zinc oxide, bismuth tungstate and bismuth molybdate.
In some embodiments, in S1.2, the acidic cleaning agent is prepared by mixing 40 to 60wt% of nitric acid, 20 to 30wt% of citric acid and 10 to 30wt% of aluminate.
In some examples, in S1.2, the deposition solution contains potassium fluotitanate in a concentration of 2 to 10% by mass and tannic acid in a concentration of 10 to 30% by mass.
In a second aspect, an antibacterial and antiviral aluminum alloy section or workpiece is provided, and is characterized by being prepared by the antibacterial and antiviral aluminum alloy fluorocarbon roller coating process.
Compared with the prior art, the invention has at least the following beneficial effects:
(1) the antibacterial and antiviral powder coating prepared by the invention has the advantages of uniform coating, no bubbles, no stripes, strong adhesive force and excellent weather resistance;
(2) compared with the traditional chromate coating, the chromium-free chemical conversion coating is adopted for the aluminum alloy, the preparation process is simple, the cost is low, and the environment is protected;
(3) the antibacterial and antiviral components added in the finish paint endow the aluminum alloy with excellent antibacterial and antiviral capabilities, and tests show that the antibacterial rate to escherichia coli and staphylococcus aureus is up to more than 99%, the antiviral activity rate to H1N1 and H3N2 influenza viruses is up to more than 99%, the mildew-proof grade is 0, the antibacterial durability is excellent, and the finish paint has the advantages of no toxicity, no irritation to skin and the like;
(4) the added antibacterial and antiviral component has excellent photocatalytic function, and the added inorganic antibacterial and antiviral agent can adsorb O on the surface under the action of illumination2Reduction to negative oxygen ion (O)2-) O produced2-Can further react with water to generate peroxy hydroxyl radical (. OOH), hydroxyl radical (. OH) and h with strong oxidizability+So as to gradually oxidize and degrade gases such as formaldehyde and the like into CO2、H2O and H2CO3And the function of purifying air is achieved.
Detailed Description
In order to better illustrate the present invention and facilitate the understanding of the technical solutions of the present invention, the present invention is further described in detail below. The following examples are merely illustrative of the present invention and do not represent or limit the scope of the claims, which are defined by the claims.
Typical but non-limiting examples of the invention are as follows:
example 1
The embodiment provides an antibacterial and antiviral aluminum alloy fluorocarbon roller coating process, which comprises the following steps of;
1. pretreatment before aluminum alloy coating:
a, degreasing: putting the aluminum alloy into an acid cleaning agent with the pH of 4 and compounded by 50 wt% of nitric acid, 20 wt% of citric acid and 30wt% of aluminic acid, wherein the degreasing time is 3min, the temperature of the cleaning agent is 35 ℃, then cleaning the aluminum alloy with hot water at 70 ℃ for 2 times, washing the aluminum alloy with normal-temperature water for 3 times, and finally cleaning the aluminum alloy with pure water for 1 time to remove oil stains and impurities on the surface of the aluminum alloy;
b, chemical conversion: soaking the degreased aluminum alloy in the film forming solution for 10min, wherein the pH value is 3.5, the temperature of the conversion solution is 35 ℃, and after soaking, washing with water at normal temperature for 3 times and washing with pure water for 2 times; the film-forming solution is prepared by adding potassium fluotitanate and tannic acid into the existing film-forming solution, wherein the mass concentration of potassium fluotitanate is 5%, and the mass concentration of tannic acid is 20%.
C, drying: sending the passivated aluminum alloy section into an oven for drying, wherein the drying temperature is 60 ℃, and the drying time is 40 min;
2. coating and curing of aluminum alloy
(1) Carrying out primer roller coating on the pretreated aluminum alloy section, wherein the production line speed is taken as a reference, and the coating roller is 0.5VProduction ofThe belt roller is 1.3VProduction ofThe thickness of the primer is 8 mu m;
(2) sending the aluminum alloy prepared in the step (1) into an oven for drying, wherein the heating rate of the oven is 3 ℃/min, the drying temperature is 50 ℃, the drying time is 30min, and cooling to the room temperature after drying;
(3) carrying out finish coating on the aluminum alloy cooled in the step (2), wherein the production line speed is taken as a reference, and the coating roll is 0.7VProduction ofThe belt roller is 1.0VProduction ofThe thickness of the finish paint is 25 mu m;
(4) and (4) baking and curing the aluminum alloy coated in the step (3) at a high temperature, wherein the curing temperature is generally 220 ℃, the heating rate of an oven is 5 ℃/min, the curing time is 20min, and then cooling to room temperature.
The antibacterial and antiviral component added in this embodiment is a mixture of silver-doped nano titanium dioxide and nano zinc oxide. The aluminum alloy can be an aluminum alloy coil, profile or workpiece.
The prepared antibacterial and antiviral fluorocarbon roller coating aluminum alloy has the antibacterial rate of over 99 percent on escherichia coli and staphylococcus aureus, the antiviral activity rate of over 99 percent on H1N1 and H3N2 influenza viruses, the mildew-proof grade is 0, and the antibacterial durability is excellent.
Antibacterial test results
Mould proof detection
According to the determination of the GB/T24128-2009 plastic mildew resistance test method, the mildew resistance test result is as follows:
results of antiviral activity rate assays for H1N1 and H3N 2:
antimicrobial durability test
Example 2
This example is the same as example 1, except that in this example, the degreasing solution temperature for the aluminum alloy pretreatment is 25 ℃, the degreasing time is 5min, the deposition solution is the existing deposition solution added with potassium fluotitanate and tannic acid, wherein the mass concentration of potassium fluotitanate is 7%, the mass concentration of tannic acid is 30%, the immersion time of the chemical conversion coating is 15min, the coating solution temperature is 40 ℃, the curing temperature of the roller coating antibacterial and antiviral finish paint is 250 ℃, and the antibacterial and antiviral component added in this example is a mixture of bismuth tungstate and bismuth molybdate.
Example 3
The embodiment is the same as embodiment 1, except that the aluminum alloy pretreatment PH is 5, the acidic cleaning agent is prepared by compounding 40 wt% of nitric acid, 30wt% of citric acid and 30wt% of aluminum acid, the soaking time is 2min, the film forming solution is the existing film forming solution added with potassium fluotitanate and tannic acid, wherein the mass concentration of potassium fluotitanate is 2%, the mass concentration of tannic acid is 10%, the chemical film coating time is 2min, the curing temperature of the antibacterial and antiviral finish paint is 180 ℃, and the curing time is 25min, and the antibacterial and antiviral component added in the embodiment is a mixture of silver-doped nano titanium dioxide and bismuth tungstate.
In conclusion, the antibacterial and antiviral fluorocarbon roller coating aluminum alloy prepared by the invention has the antibacterial rate of over 99 percent on escherichia coli and staphylococcus aureus, the antiviral activity rate of over 99 percent on H1N1 and H3N2 influenza viruses, the mildew resistance level of 0 and excellent antibacterial durability.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
Claims (7)
1. An antibacterial and antiviral aluminum alloy fluorocarbon roller coating process is characterized by comprising the following steps:
pretreatment before coating of S1 aluminum alloy: degreasing the surface of the aluminum alloy by using a chemical cleaning agent and pretreating the surface of the aluminum alloy by using a chemical conversion solution to form a layer of chemical conversion film on the surface of the aluminum alloy;
s2, coating the surface of the aluminum alloy pretreated by the S1 by a three-roll reverse coating process, and sequentially coating a primer and a finish, wherein the finish is added with antibacterial and antiviral components;
s3, solidifying and cooling the coating: transferring the aluminum alloy coated by the S2 into a high-temperature baking furnace for baking and curing, volatilizing a solvent and melting and curing resin to form a film by the coating, and forming an antibacterial and antiviral fluorocarbon coating with the thickness of 20-40 mu m on the surface of the aluminum alloy through three stages of heating, heat preservation and cooling.
2. The antibacterial and antiviral aluminum alloy fluorocarbon roller coating process as claimed in claim 1, wherein in step S1, degreasing treatment with chemical cleaning agent and pretreatment of the aluminum alloy surface with chemical conversion solution comprise:
s1.1 degreasing: putting the aluminum alloy into an acid cleaning agent with the pH value of 1-6, degreasing for 1-15 min at the cleaning agent temperature of 20-50 ℃, then cleaning for 1-4 times by using hot water with the temperature of 40-110 ℃, washing for 1-5 times by using normal-temperature water, finally cleaning for 1-4 times by using pure water, and removing oil stains and impurities on the surface of the aluminum alloy;
s1.2 chemical conversion: soaking the aluminum alloy subjected to degreasing treatment by S1.1 in a film forming solution containing potassium fluotitanate and tannic acid, wherein the film forming time is 5-25min, the pH is 2-6, the temperature of a conversion solution is 20-50 ℃, the aluminum alloy is washed for 1-6 times at normal temperature after soaking, and the aluminum alloy is washed for 1-4 times by pure water;
s1.3, drying: and (3) feeding the aluminum alloy treated by the S1.2 into an oven for drying at the drying temperature of 50-100 ℃ for 20-60 min.
3. The antibacterial and antiviral aluminum alloy fluorocarbon roller coating process as claimed in claim 1, wherein in step S2, the three-roller reverse coating process comprises:
s2.1, performing primer roll coating on the aluminum alloy subjected to surface pretreatment of the aluminum alloy pretreated by the S1, wherein the production line speed is taken as a reference, and the coating roll is (0.2-0.8) VProduction ofThe material carrying roller is (1.0-2.5) VProduction ofThe thickness of the primer is 5-15 mu m;
s2.2, sending the aluminum alloy treated by the S2.1 into an oven for drying, wherein the heating rate of the oven is 1-10 ℃/min, the drying temperature is 40-90 ℃, the drying time is 20-50min, and cooling to the room temperature after drying is finished;
s2.3, performing finish coating on the aluminum alloy treated by the S2.2, taking the production line speed as a reference,
the coating roller is (0.2-1.2) VProduction ofThe material carrying roller is (0.5-2.5) VProduction ofThe thickness of the finish paint is 15-30 mu m;
s2.4, carrying out high-temperature baking solidification on the aluminum alloy treated by the S2.3, wherein the solidification temperature is generally 180-250 ℃, the heating rate of an oven is 2-15 ℃/min, the solidification time is 15-25min, and then cooling to room temperature.
4. The antibacterial and antiviral aluminum alloy fluorocarbon roller coating process as claimed in claim 1, wherein the antibacterial and antiviral component is one or a combination of silver-doped nano titanium dioxide, nano zinc oxide, bismuth tungstate and bismuth molybdate.
5. The antibacterial and antiviral aluminum alloy fluorocarbon roller coating process as claimed in claim 2, wherein in S1.2, the acidic cleaning agent is prepared by compounding 40-60wt% of nitric acid, 20-30wt% of citric acid and 10-30 wt% of aluminic acid.
6. The antibacterial and antiviral aluminum alloy fluorocarbon roller coating process as claimed in claim 2, wherein in S1.2, in the film forming solution, the mass concentration of potassium fluotitanate is 2-10%, and the mass concentration of tannic acid is 10-30%.
7. An antibacterial and antiviral aluminum alloy section or workpiece, which is prepared by the antibacterial and antiviral aluminum alloy fluorocarbon roller coating process as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211738.8A CN111282790A (en) | 2020-03-24 | 2020-03-24 | Antibacterial and antiviral aluminum alloy fluorocarbon roller coating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211738.8A CN111282790A (en) | 2020-03-24 | 2020-03-24 | Antibacterial and antiviral aluminum alloy fluorocarbon roller coating process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111282790A true CN111282790A (en) | 2020-06-16 |
Family
ID=71019472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010211738.8A Pending CN111282790A (en) | 2020-03-24 | 2020-03-24 | Antibacterial and antiviral aluminum alloy fluorocarbon roller coating process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111282790A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694810A (en) * | 2020-12-01 | 2021-04-23 | 同曦集团有限公司 | Antibacterial and antiviral wood grain transfer printing base material and wood grain transfer printing method |
| CN114045478A (en) * | 2021-10-13 | 2022-02-15 | 东莞理工学院 | Preparation method of aluminum alloy conductive conversion film |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01123673A (en) * | 1987-11-06 | 1989-05-16 | Nippon Parkerizing Co Ltd | Moldproof bacterial hydrophilic surface treatment of aluminum |
| JPH1034815A (en) * | 1996-07-24 | 1998-02-10 | Nisshin Steel Co Ltd | Coated metal sheet with excellent anti-fungal property and mildew resistance |
| CN102093794A (en) * | 2010-12-31 | 2011-06-15 | 东莞市明天纳米科技有限公司 | Method for preparing nano-titanium dioxide photocatalytic bactericidal coating |
| CN104152927A (en) * | 2014-08-01 | 2014-11-19 | 北京新立机械有限责任公司 | Novel pickling solution for pretreating surfaces of aluminum and aluminum alloy |
| CN106086846A (en) * | 2016-06-24 | 2016-11-09 | 中车青岛四方机车车辆股份有限公司 | Aluminium alloy non-chromium deactivating process for the treatment of and aluminium alloy non-chromium passivation treatment fluid thereof |
| CN107511312A (en) * | 2017-07-21 | 2017-12-26 | 云南三元德隆铝业有限公司 | A kind of fluorocarbon-sprayed method of aluminium alloy extrusions |
| CN109161333A (en) * | 2018-07-13 | 2019-01-08 | 安徽康瑞高科新材料技术工程有限公司 | A kind of antifouling car paint of high stability and preparation method thereof |
| CN109722697A (en) * | 2017-10-27 | 2019-05-07 | 王晶晶 | Aluminum material surface anticorrosion and hardening technique |
| CN110328120A (en) * | 2019-07-06 | 2019-10-15 | 苏州市金桥包装容器有限公司 | A kind of metal drum production coating roller coating technology |
| CN110552214A (en) * | 2019-09-19 | 2019-12-10 | 同曦集团有限公司 | Preparation method of long-acting antibacterial fabric, product and application thereof |
-
2020
- 2020-03-24 CN CN202010211738.8A patent/CN111282790A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01123673A (en) * | 1987-11-06 | 1989-05-16 | Nippon Parkerizing Co Ltd | Moldproof bacterial hydrophilic surface treatment of aluminum |
| JPH1034815A (en) * | 1996-07-24 | 1998-02-10 | Nisshin Steel Co Ltd | Coated metal sheet with excellent anti-fungal property and mildew resistance |
| CN102093794A (en) * | 2010-12-31 | 2011-06-15 | 东莞市明天纳米科技有限公司 | Method for preparing nano-titanium dioxide photocatalytic bactericidal coating |
| CN104152927A (en) * | 2014-08-01 | 2014-11-19 | 北京新立机械有限责任公司 | Novel pickling solution for pretreating surfaces of aluminum and aluminum alloy |
| CN106086846A (en) * | 2016-06-24 | 2016-11-09 | 中车青岛四方机车车辆股份有限公司 | Aluminium alloy non-chromium deactivating process for the treatment of and aluminium alloy non-chromium passivation treatment fluid thereof |
| CN107511312A (en) * | 2017-07-21 | 2017-12-26 | 云南三元德隆铝业有限公司 | A kind of fluorocarbon-sprayed method of aluminium alloy extrusions |
| CN109722697A (en) * | 2017-10-27 | 2019-05-07 | 王晶晶 | Aluminum material surface anticorrosion and hardening technique |
| CN109161333A (en) * | 2018-07-13 | 2019-01-08 | 安徽康瑞高科新材料技术工程有限公司 | A kind of antifouling car paint of high stability and preparation method thereof |
| CN110328120A (en) * | 2019-07-06 | 2019-10-15 | 苏州市金桥包装容器有限公司 | A kind of metal drum production coating roller coating technology |
| CN110552214A (en) * | 2019-09-19 | 2019-12-10 | 同曦集团有限公司 | Preparation method of long-acting antibacterial fabric, product and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 丁浩等: "《纳米抗菌技术》", 31 January 2008, 化学工业出版社 * |
| 张彦华: "《工程材料与成型技术》", 31 May 2015, 北京航空航天大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112694810A (en) * | 2020-12-01 | 2021-04-23 | 同曦集团有限公司 | Antibacterial and antiviral wood grain transfer printing base material and wood grain transfer printing method |
| CN114045478A (en) * | 2021-10-13 | 2022-02-15 | 东莞理工学院 | Preparation method of aluminum alloy conductive conversion film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5547404B2 (en) | Acid / chromium-free aqueous solution for metal surface treatment | |
| JP5252925B2 (en) | Surface chemical conversion liquid and method for producing chemical conversion metal plate | |
| JPS6352114B2 (en) | ||
| BRPI0708467A2 (en) | metal surface treatment composition, metal surface treatment method, and metal material | |
| JP2003171778A (en) | Method for forming protective film of metal, and protective film of metal | |
| MX2007009800A (en) | Process for sealing phosphoric acid anodized aluminums. | |
| JP3620893B2 (en) | Surface treatment composition for aluminum-containing metal and surface treatment method | |
| US6755918B2 (en) | Method for treating magnesium alloy by chemical conversion | |
| CN106756945A (en) | A kind of plated steel sheet chromium-free passivation liquid | |
| CN111282790A (en) | Antibacterial and antiviral aluminum alloy fluorocarbon roller coating process | |
| JP3139795B2 (en) | Metal surface treatment agent for composite film formation | |
| WO2021143551A1 (en) | Method of forming micro/nanoporous organic acid pre-treatment layer on metal surface, and application | |
| CN112522692B (en) | Water-soluble metal surface sealing protection liquid, preparation method and application | |
| US3720547A (en) | Permanganate final rinse for metal coatings | |
| US4018628A (en) | Process for coloring aluminium | |
| JP2023514577A (en) | Bismuth compositions for metal pretreatment applications | |
| JPH11335864A (en) | Production of surface treated steel plate having excellent corrosion resistance | |
| US9039821B2 (en) | Methods and compositions for coating aluminum substrates | |
| JP6155006B2 (en) | Aqueous chromium-free treatment solution | |
| CN109943837A (en) | A kind of surface treating agent for galvanized steel plain sheet | |
| CN105695971A (en) | Washing-free chromizing passivator for aluminum and aluminum alloy and use method | |
| CN109023331B (en) | Chromium-free passivator and use method thereof | |
| CN104919085A (en) | Aqueous agent and coating method for the anticorrosive treatment of metallic substrates | |
| CN107841741B (en) | A kind of aluminum substrate surface biological processing oxidation technology | |
| JP3842333B2 (en) | Surface treatment method for weathering steel |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200616 |
|
| RJ01 | Rejection of invention patent application after publication |