CN108467649B - Preparation process of wear-resistant corrosion-resistant high-strength galvanized plate - Google Patents
Preparation process of wear-resistant corrosion-resistant high-strength galvanized plate Download PDFInfo
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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
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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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
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
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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
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides a preparation process of a wear-resistant corrosion-resistant high-strength galvanized plate, which comprises the following steps: 1) the pretreatment of the rigid substrate comprises continuous annealing treatment of the rigid substrate and surface cleaning of the rigid substrate; 2) modifying the surface of the rigid substrate, and atomizing and spraying silane coupling agent modified liquid in a closed heating chamber to modify the surface of the rigid substrate; 3) the zinc-chromium coating treatment uses zinc-chromium solution to carry out coating treatment on the rigid substrate modified in the step 2), improves the performance of the rigid substrate coating through the characteristics of the silane coupling agent and the reaction with unsaturated acid ester, and has the advantages of good surface compactness, wear resistance, corrosion resistance, good water resistance and improved adhesive force.
Description
Technical Field
The invention relates to a preparation process of a wear-resistant corrosion-resistant high-strength galvanized plate.
Background
The zinc-chromium coating is an inorganic anti-corrosion coating which is formed by dipping, brushing or spraying a water-based zinc-chromium coating on the surfaces of steel parts and components and takes scaly zinc and zinc chromate as main components after baking; the zinc-chromium coating corrosion prevention technology is widely applied to the corrosion prevention field of steel parts and the like; the zinc-chromium coating technology has the defects that 1, the surface density of the coating is not high, and the coating has a microporous structure, so that the corrosion resistance of the coating is influenced; 2, the bonding force between the surface of the coating and the substrate is not strong, and the adhesive force is low; 3, the acid and alkali resistance and corrosion resistance are required to be improved; 4, water resistance is poor; the above disadvantages limit its development and application.
Disclosure of Invention
In view of the above, the invention aims to provide a preparation process of a wear-resistant corrosion-resistant high-strength galvanized plate, which has the advantages of good surface compactness, wear resistance, corrosion resistance, good water resistance and improved adhesion.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the preparation process of the wear-resistant corrosion-resistant high-strength galvanized plate comprises the following steps:
1) pretreatment of rigid substrates
Comprises continuous annealing treatment of the rigid substrate and surface cleaning of the rigid substrate;
2) surface modification of rigid substrates
Atomizing and spraying silane coupling agent modified liquid in a closed heating chamber to modify the surface of the rigid substrate, wherein the modified liquid comprises silane coupling agent, solvent, water and catalyst, and accounts for 0.5-0.7% of the weight of the rigid substrate;
3) zinc chromium coating treatment
Coating the rigid substrate modified in the step 2) by using a zinc-chromium solution, wherein the zinc-chromium solution comprises a silane coupling agent, unsaturated organic acid ester and aluminum powder, and an initiator is sprayed during coating.
Preferably, the modifying liquid comprises vinyl triisopropoxysilane, absolute ethyl alcohol, water and acetic acid, and the contents are respectively as follows: the content ratio of the vinyl triisopropoxysilane is 1:1.5:0.5:0.2, and the modifying liquid contains a trace amount of polymerization inhibitor.
Preferably, the zinc-chromium solution comprises zinc powder, aluminum powder, vinyl triisopropoxysilane, chromic anhydride, xanthan gum, ethyl methacrylate, octyl phenol polyoxyethylene ether, polyethylene glycol, ethylene glycol and a proper amount of water, the initiator comprises potassium persulfate, and the zinc-chromium solution contains a trace amount of polymerization inhibitor.
Preferably, the zinc powder and the aluminum powder are simple substances in the form of flaky metal powder, and the zinc-chromium solution comprises the following components in percentage by weight: 15-17 wt% of zinc powder, 8-12 wt% of aluminum powder, 6-7 wt% of vinyl triisopropoxysilane, 3-6 wt% of chromic anhydride, 1-3 wt% of xanthan gum, 2-3 wt% of ethyl methacrylate, 1-3 wt% of octyl phenol polyoxyethylene ether, 1-2 wt% of polyethylene glycol and 1-2 wt% of ethylene glycol.
Preferably, in the step 2), the closed heating chamber is firstly vacuumized and simultaneously heated to the room temperature of 50-53 ℃, and the modifying liquid is atomized and sprayed by using a pipeline and a nozzle for 1-1.5 hours.
Preferably, the step 2) comprises cleaning, after the atomization spraying is finished, washing with water for multiple times, and drying, wherein the temperature is not more than 120 ℃.
Preferably, the zinc-chromium coating treatment in the step 3) comprises zinc-chromium solution pretreatment, heating the zinc-chromium solution to 60-65 ℃ in a closed container, maintaining for 1-1.5h, then spraying the rigid substrate, atomizing a spraying initiator by using a nozzle during the period, heating to 75-80 ℃ in a closed heating chamber for 2-3 h, and finally sintering.
The invention has the beneficial effects that:
1. the surface of a steel substrate is modified by a silane coupling agent, a covalent bond and a hydrogen bond are formed by utilizing the mutual action of the silane coupling agent and the crystalline ferric oxide welded on the surface of the steel substrate through hydrolysis and condensation, the adhesion is improved, then zinc-chromium solution is coated, and the unsaturated bond of the silane coupling agent and the ethyl methacrylate is utilized for copolymerization reaction, so that the adhesion of the coating and the surface of the steel substrate is further improved.
2. The silane coupling agent in the zinc-chromium solution interacts with the aluminum oxide on the surface of the aluminum powder in the zinc-chromium solution in the coating treatment process to form covalent bonds and the like, so that the connection force is improved, and the adhesion between the coating and the surface of the steel substrate is improved and the compactness is improved through the copolymerization reaction between the silane coupling agent and the ethyl methacrylate.
3. Through coupling and copolymerization reaction, the rigid substrate has the characteristics of coupling, wear resistance, corrosion resistance, water resistance and improved adhesion besides the characteristics of a zinc-chromium coating.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the examples to make the technical solutions of the present invention easier to understand and master.
The preparation process of the wear-resistant corrosion-resistant high-strength galvanized plate comprises the following steps:
1) pretreatment of rigid substrates
The method comprises the steps of continuous annealing treatment of a rigid substrate and surface cleaning of the rigid substrate, wherein the surface cleaning of the rigid substrate comprises washing, pickling and washing, soaking washing is firstly carried out, residual grease, degreasing agents and the like on the surface are cleaned, pickling is carried out through hydrochloric acid solution, much surface rust and the like are removed, washing is carried out, iron salt and acid liquor on the surface are cleaned through flowing clear water, drying is carried out, and the annealing treatment is controlled to be 620-650 ℃;
2) surface modification of rigid substrates
Atomizing and spraying silane coupling agent modified liquid in a closed heating chamber to modify the surface of the rigid substrate, wherein the modified liquid comprises silane coupling agent, solvent, water and catalyst, the modified liquid accounts for 0.5-0.7% of the weight of the rigid substrate, the silane coupling agent is water-soluble unsaturated organic acid silane type and comprises vinyl, propenyl and the like, the surface of the rigid substrate is modified by utilizing the characteristics of the silane coupling agent, one end of the coupling agent interacts with crystal water ferric oxide on the rigid substrate, and the unsaturated bond end at the other end performs copolymerization reaction with zinc-chromium liquid, so that the adhesive force between the zinc-chromium coating and the rigid substrate is improved;
3) zinc chromium coating treatment
And (2) performing coating treatment on the rigid substrate modified in the step 2) by using a zinc-chromium solution, wherein the zinc-chromium solution comprises a silane coupling agent, unsaturated organic acid ester and aluminum powder, an initiator is sprayed during coating, the silane coupling agent is water-soluble unsaturated organic acid silane, the adhesion is improved by using the copolymerization reaction of the silane coupling agent and the unsaturated organic acid ester, and meanwhile, the silane coupling agent interacts with crystalline water alumina on the surface of the aluminum powder, so that the adhesion between the coating and the surface of the rigid substrate is further improved, and finally, sintering is performed, so that the characteristics of the zinc-chromium coating are retained, meanwhile, the adhesion is greatly improved, and in addition, due to high-molecular copolymerization chain, the compactness of the coating is improved, the toughness of the coating is improved, the water.
As a further improvement, the modifying liquid comprises vinyl triisopropoxysilane, absolute ethyl alcohol, water and acetic acid, and the contents are respectively as follows: the content ratio of the vinyl triisopropoxysilane is 1:1.5:0.5:0.2, the modification liquid contains a trace amount of polymerization inhibitor, the alkoxy group in the vinyl triisopropoxysilane is larger, the gel rate is low, the steric hindrance effect is improved along with the increase of the alkoxy group, the self-polymerization reaction of the silane is delayed, the vinyl triisopropoxysilane has good stability and easy control due to the unique structure, the vinyl triisopropoxysilane generates interaction along with the spraying of the modification liquid on the surface of a rigid substrate, and acetic acid is used as a catalyst.
As a further improvement, the zinc-chromium solution comprises zinc powder, aluminum powder, vinyl triisopropoxysilane, chromic anhydride, xanthan gum, ethyl methacrylate, octyl phenol polyoxyethylene ether, polyethylene glycol, ethylene glycol and a proper amount of water, the initiator comprises potassium persulfate, the zinc-chromium solution contains a trace amount of polymerization inhibitor, the surface of the aluminum powder can interact with the vinyl triisopropoxysilane, and the aluminum powder is mutually connected by copolymerization reaction of unsaturated bonds to improve the adhesive force.
Preferably, the zinc powder and the aluminum powder are simple substances in the form of flaky metal powder, and the zinc-chromium solution comprises the following components in percentage by weight: 15-17 wt% of zinc powder, 8-12 wt% of aluminum powder, 6-7 wt% of vinyl triisopropoxysilane, 3-6 wt% of chromic anhydride, 1-3 wt% of xanthan gum, 2-3 wt% of ethyl methacrylate, 1-3 wt% of octyl phenol polyoxyethylene ether, 1-2 wt% of polyethylene glycol and 1-2 wt% of ethylene glycol.
Specifically, in the step 2), when the sealed heating chamber is vacuumized and heated to the room temperature of 50-53 ℃, the modifying solution is sprayed and atomized by using a pipeline and a nozzle for 1-1.5h, the modifying solution is fully mixed and sprayed by atomization, the temperature is increased to promote the interaction between the silane coupling agent and the surface of the rigid substrate, and after the spraying is finished, the temperature is maintained for 0.5-1 h to fully combine the silane coupling agent and the rigid substrate.
Specifically, the step 2) comprises cleaning, after atomization spraying is finished, washing with water for multiple times, drying at the temperature not exceeding 120 ℃, and washing off redundant coupling agents and other components, so that the next step of treatment is facilitated.
Specifically, the zinc-chromium coating treatment in the step 3) comprises zinc-chromium liquid pretreatment, heating the zinc-chromium liquid to 60-65 ℃ in a closed container, maintaining for 1-1.5 hours to ensure that the coupling agent and the aluminum powder are fully interacted and combined, improving the efficiency, then spraying the rigid substrate, atomizing and spraying the rigid substrate by using a nozzle, wherein the spraying initiator is atomized and sprayed by using the nozzle, the heating temperature in the closed heating chamber is up to 75-80 ℃, the open bond is subjected to copolymerization reaction for 2-3 hours, and finally sintering is carried out to form the anti-corrosion coating.
Example 1
The preparation process of the wear-resistant corrosion-resistant high-strength galvanized plate comprises the following steps:
1) pretreatment of rigid substrates
Comprises continuous annealing treatment of the rigid substrate, the temperature is controlled at 630-640 ℃, and the surface cleaning of the rigid substrate comprises water washing, hydrochloric acid washing and water washing;
2) surface modification of rigid substrates
Atomizing and spraying a silane coupling agent modified solution in a closed heating chamber to modify the surface of a rigid substrate, wherein the modified solution comprises vinyl triisopropoxysilane, absolute ethyl alcohol, water and acetic acid, the content ratio is 1:1.5:0.5:0.2, the modified solution contains a trace amount of polymerization inhibitor, the modified solution accounts for 0.6 percent of the weight of the rigid substrate, when spraying, the closed heating chamber is firstly vacuumized and simultaneously heated to the room temperature of 50 ℃, the modified solution is atomized and sprayed by using a pipeline and a nozzle for 1h, after the atomization spraying is finished, the modified solution is washed by water for a plurality of times and dried, and the temperature is not more than 120 ℃;
3) zinc chromium coating treatment
Coating the rigid substrate modified in the step 2) by using a zinc-chromium solution, wherein the zinc-chromium solution comprises the following components in percentage by weight: 15 wt% of zinc powder, 8 wt% of aluminum powder, 6 wt% of vinyl triisopropoxysilane, 3 wt% of chromic anhydride, 1 wt% of xanthan gum, 2 wt% of ethyl methacrylate, 1 wt% of octylphenol polyoxyethylene ether, 1 wt% of polyethylene glycol and 1 wt% of ethylene glycol, wherein the zinc powder and the aluminum powder are simple substances in a scale-shaped metal powder form, the thickness of zinc sheet and aluminum sheet crystal grains is 0.5 micron, the length is 0.7 micron, after the zinc-chromium solution is prepared according to the proportion, the zinc-chromium solution is firstly heated to 60 ℃ in a closed container, the temperature is maintained for 1h, so that the coupling agent fully reacts with the aluminum powder, then the rigid substrate is atomized and sprayed, during the spraying, the initiator is atomized and sprayed in the closed heating chamber, the heating temperature is 75 ℃ for 2h, and finally the sintering temperature is 400 ℃.
Example 2
The preparation process of the wear-resistant corrosion-resistant high-strength galvanized plate comprises the following steps:
1) pretreatment of rigid substrates
Comprises continuous annealing treatment of the rigid substrate, the temperature is controlled to be 640-645 ℃, and the surface cleaning of the rigid substrate comprises water washing, hydrochloric acid washing and water washing;
2) surface modification of rigid substrates
Atomizing and spraying a silane coupling agent modified solution in a closed heating chamber to modify the surface of a rigid substrate, wherein the modified solution comprises vinyl triisopropoxysilane, absolute ethyl alcohol, water and acetic acid, the content ratio is 1:1.5:0.5:0.2, the modified solution contains a trace amount of polymerization inhibitor, the modified solution accounts for 0.7 percent of the weight of the rigid substrate, when spraying, firstly vacuumizing the closed heating chamber and heating to the room temperature of 53 ℃, atomizing and spraying the modified solution by using a pipeline and a nozzle for 1.5h, after the atomization spraying is finished, washing with water for a plurality of times, and drying, and the temperature is not more than 120 ℃;
3) zinc chromium coating treatment
Coating the rigid substrate modified in the step 2) by using a zinc-chromium solution, wherein the zinc-chromium solution comprises the following components in percentage by weight: 17 wt% of zinc powder, 12 wt% of aluminum powder, 7 wt% of vinyl triisopropoxysilane, 6 wt% of chromic anhydride, 3 wt% of xanthan gum, 3 wt% of ethyl methacrylate, 3 wt% of octylphenol polyoxyethylene ether, 2 wt% of polyethylene glycol and 2 wt% of ethylene glycol, wherein the zinc powder and the aluminum powder are simple substances in a scale-shaped metal powder form, the thickness of zinc sheet and aluminum sheet crystal grains is 0.5 micron, the length of the zinc sheet and the aluminum sheet crystal grains is 0.7 micron, after the zinc-chromium solution is prepared according to the proportion, the zinc-chromium solution is firstly heated to 65 ℃ in a closed container and is maintained for 1.5h, so that the coupling agent fully reacts with the aluminum powder, then the rigid substrate is atomized and sprayed, during the spraying, the initiator is atomized by a nozzle, the heating temperature in the closed heating chamber is up to 80 ℃ and the time is 3.
Example 3
The preparation process of the wear-resistant corrosion-resistant high-strength galvanized plate comprises the following steps:
1) pretreatment of rigid substrates
Comprises continuous annealing treatment of the rigid substrate, the temperature is controlled at 620-625 ℃, and the surface cleaning of the rigid substrate comprises water washing, hydrochloric acid washing and water washing;
2) surface modification of rigid substrates
Atomizing and spraying a silane coupling agent modified solution in a closed heating chamber to modify the surface of a rigid substrate, wherein the modified solution comprises vinyl triisopropoxysilane, absolute ethyl alcohol, water and acetic acid, the content ratio is 1:1.5:0.5:0.2, the modified solution contains a trace amount of polymerization inhibitor, the modified solution accounts for 0.6 percent of the weight of the rigid substrate, when spraying, firstly vacuumizing the closed heating chamber and heating to the room temperature of 51 ℃, atomizing and spraying the modified solution by using a pipeline and a nozzle for 1.3h, after the atomization spraying is finished, washing with water for many times, and drying, and the temperature does not exceed 120 ℃;
3) zinc chromium coating treatment
Coating the rigid substrate modified in the step 2) by using a zinc-chromium solution, wherein the zinc-chromium solution comprises the following components in percentage by weight: 16 wt% of zinc powder, 10 wt% of aluminum powder, 6.5 wt% of vinyl triisopropoxysilane, 4 wt% of chromic anhydride, 2 wt% of xanthan gum, 2.5 wt% of ethyl methacrylate, 2 wt% of octylphenol polyoxyethylene ether, 1.5 wt% of polyethylene glycol and 1.5 wt% of ethylene glycol, wherein the zinc powder and the aluminum powder are simple substances in the form of flaky metal powder, the thickness of zinc sheet and aluminum sheet crystal grains is 0.5 micron, the length is 0.7 micron, after the zinc-chromium solution is prepared according to the proportion, the zinc-chromium solution is firstly heated to 62 ℃ in a closed container, the temperature is maintained for 1.5h, the coupling agent is fully reacted with the aluminum powder, then the rigid substrate is atomized and sprayed, during the spraying, the initiator is atomized and sprayed by using a nozzle, the heating temperature in the closed heating chamber is up to 77 ℃ for 3h, and finally, the sintering temperature is 450.
The galvanized sheet prepared in the above examples has the following properties compared with the common galvanized sheet:
the performance comparison of the galvanized sheet prepared in the embodiment and the common galvanized sheet comprehensively proves that the galvanized sheet prepared by the technology has the advantages of improved adhesive force, wear resistance, corrosion resistance, water resistance and the like.
The above is, of course, only a specific application example of the present invention, and the scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (2)
1. The preparation process of the wear-resistant corrosion-resistant high-strength galvanized plate is characterized by comprising the following steps of:
1) pretreatment of rigid substrates
Comprises continuous annealing treatment of the rigid substrate and surface cleaning of the rigid substrate;
2) surface modification of rigid substrates
Atomizing and spraying silane coupling agent modified liquid in a closed heating chamber to modify the surface of the rigid substrate, wherein the modified liquid comprises vinyl triisopropoxysilane, absolute ethyl alcohol, water and acetic acid, the content ratio is 1:1.5:0.5:0.2, the modified liquid contains a trace amount of polymerization inhibitor, the modified liquid accounts for 0.5-0.7% of the weight of the rigid substrate, vacuumizing the closed heating chamber and heating to the room temperature of 50-53 ℃, and atomizing and spraying the modified liquid by using a pipeline and a nozzle for 1-1.5 hours;
3) zinc chromium coating treatment
Coating the rigid substrate modified in the step 2) by using a zinc-chromium solution, wherein the zinc-chromium solution comprises the following components in percentage by weight: 15-17 wt% of zinc powder, 8-12 wt% of aluminum powder, 6-7 wt% of vinyl triisopropoxysilane, 3-6 wt% of chromic anhydride, 1-3 wt% of xanthan gum, 2-3 wt% of ethyl methacrylate, 1-3 wt% of octylphenol polyoxyethylene ether, 1-2 wt% of polyethylene glycol, 1-2 wt% of ethylene glycol and a proper amount of water, wherein the initiator comprises potassium persulfate, the zinc-chromium solution contains trace polymerization inhibitor, the zinc powder and the aluminum powder are simple substances in the form of flaky metal powder, the initiator is sprayed during coating, the zinc-chromium coating treatment comprises zinc-chromium solution pretreatment, the zinc-chromium solution is heated to 60-65 ℃ in a closed container and is maintained for 1-1.5h, then the rigid substrate is sprayed, the initiator is sprayed by atomizing by a nozzle during the spraying, the heating temperature in the closed heating chamber is 75-80 ℃, the time is 2h-3h, and finally sintering.
2. The process for preparing the wear-resistant corrosion-resistant high-strength galvanized plate according to claim 1, wherein the step 2) comprises cleaning, after the atomization spraying is finished, washing with water for multiple times, and drying at a temperature not exceeding 120 ℃.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1054047B1 (en) * | 1999-05-21 | 2003-03-26 | JSR Corporation | A coating composition, and a coated film and glass each having a coating layer comprised thereof |
| CN102534596A (en) * | 2011-12-28 | 2012-07-04 | 蚌埠市钰诚五金工贸有限公司 | Process for independently protecting surface of metal piece by adopting silane agent |
| DE102013201966A1 (en) * | 2012-02-07 | 2013-08-08 | Chemetall Gmbh | Process for coating metallic surfaces of substrates and objects coated by this process |
| CN107652391A (en) * | 2017-10-10 | 2018-02-02 | 临汾铁环漆业有限公司 | A kind of water-based stainless steel acrylic resin and preparation method thereof |
-
2018
- 2018-05-28 CN CN201810523724.2A patent/CN108467649B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1054047B1 (en) * | 1999-05-21 | 2003-03-26 | JSR Corporation | A coating composition, and a coated film and glass each having a coating layer comprised thereof |
| CN102534596A (en) * | 2011-12-28 | 2012-07-04 | 蚌埠市钰诚五金工贸有限公司 | Process for independently protecting surface of metal piece by adopting silane agent |
| DE102013201966A1 (en) * | 2012-02-07 | 2013-08-08 | Chemetall Gmbh | Process for coating metallic surfaces of substrates and objects coated by this process |
| CN107652391A (en) * | 2017-10-10 | 2018-02-02 | 临汾铁环漆业有限公司 | A kind of water-based stainless steel acrylic resin and preparation method thereof |
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