CN112592614A - Production process of organic modified silane heavy-duty anticorrosive paint - Google Patents
Production process of organic modified silane heavy-duty anticorrosive paint Download PDFInfo
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- CN112592614A CN112592614A CN202011473675.XA CN202011473675A CN112592614A CN 112592614 A CN112592614 A CN 112592614A CN 202011473675 A CN202011473675 A CN 202011473675A CN 112592614 A CN112592614 A CN 112592614A
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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
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention provides a production process of an organic modified silane heavy-duty anticorrosive paint, which comprises the following steps: s1, sequentially adding liquid novolac epoxy resin into a dispersion tank, sequentially adding an anti-settling agent, a defoaming agent and a dispersing agent into the dispersion tank under the stirring state, uniformly stirring, then adding a silane coupling agent, dispersing, then continuously adding xylene, pigment, filler and a leveling agent into the dispersion tank, dispersing, then grinding and filtering to obtain a component A; s2, uniformly mixing the curing agent and n-butyl alcohol to obtain a component B; s3, adding nano graphene into n-butyl alcohol, performing ultrasonic dispersion, then adding a proper amount of silane coupling agent, and stirring to obtain a component C; and S4, mixing the component A with the component C, fully and uniformly dispersing, and uniformly mixing the mixed solution with the component B to obtain the heavy-duty anticorrosive paint. The heavy anti-corrosion coating has good adhesive force, weather resistance and corrosion resistance, and the anti-corrosion period is long.
Description
Technical Field
The invention belongs to the technical field of paint production, and particularly relates to a production process of an organic modified silane heavy-duty anticorrosive paint.
Background
The metal material is damaged by the action of surrounding media, which is called metal corrosion, the corrosion of the metal is the most common corrosion state, and the use of the metal material is influenced by the corrosion of the metal material, so that great economic loss is brought. The use of coatings is a practical, economical, and effective method of protecting metals. The heavy anti-corrosion coating is one of coatings, can be applied in a relatively harsh corrosion environment compared with a conventional anti-corrosion coating, and has a longer protection period than the conventional anti-corrosion coating. Therefore, a production process of the organic modified silane heavy-duty anticorrosive coating is urgently needed.
Disclosure of Invention
The invention aims to provide a production process of an organic modified silane heavy-duty anticorrosive paint aiming at the defects of the prior art.
The invention provides the following technical scheme:
a production process of an organic modified silane heavy-duty anticorrosive coating comprises the following steps:
s1, sequentially adding liquid novolac epoxy resin into a dispersion tank, sequentially adding an anti-settling agent, a defoaming agent and a dispersing agent into the dispersion tank in a stirring state, uniformly stirring, then adding a silane coupling agent, dispersing for 20-30min at the rotating speed of 800 plus materials of 1000r/min, then continuously adding dimethylbenzene, pigment, filler and a leveling agent into the dispersion tank, dispersing for 15-20min at the rotating speed of 500 plus materials of 800r/min, and then grinding and filtering to obtain a component A;
s2, uniformly mixing a curing agent and n-butyl alcohol to obtain a component B, wherein the curing agent is a polyurethane curing agent;
s3, adding nano graphene into n-butyl alcohol, performing ultrasonic dispersion for 20-40min to obtain uniformly dispersed graphene dispersion liquid, then adding a proper amount of silane coupling agent into the graphene dispersion liquid, and stirring for 30-60min to obtain a component C;
and S4, mixing the component A with the component C, fully and uniformly dispersing, and uniformly mixing the mixed solution with the component B to obtain the heavy-duty anticorrosive paint.
Preferably, the mass ratio of the A component to the B component to the C component in the S4 step is 100:8-25: 15-30.
Preferably, the component A comprises the following components in parts by weight: 60-80 parts of phenolic epoxy resin, 0.5-5 parts of anti-settling agent, 0.1-2 parts of defoaming agent, 0.1-2 parts of dispersing agent, 2-5 parts of silane coupling agent, 5-10 parts of xylene, 5-15 parts of pigment, 5-10 parts of filler and 0.1-2 parts of flatting agent.
Preferably, the mass ratio of the n-butyl alcohol to the curing agent in the component B is 70-100: 0.1-30.
Preferably, the mass ratio of the n-butyl alcohol, the nano graphene and the silane coupling agent in the component C is 50-70:3-15: 10-30.
Preferably, the pigment is a mixture of iron oxide red and zinc phosphate, and the mass ratio of the iron oxide red to the zinc phosphate is 1: 2-5.
Preferably, the filler is one or a mixture of barium sulfate, talcum powder, mica powder and wollastonite powder.
Preferably, the silane coupling agent of the component A and the component C is gamma-glycidoxypropyltrimethoxysilane.
Preferably, the fineness is controlled to be less than 50 μm during the grinding and filtering in the step S1.
The invention has the beneficial effects that:
the heavy anti-corrosion coating disclosed by the invention contains less solvent, has less pollution to the environment in the production and construction processes, and is relatively environment-friendly; the heavy anti-corrosion coating has good adhesive force, weather resistance and corrosion resistance, has long anti-corrosion period, and can be coated on base materials such as metal, concrete, wood and the like.
Detailed Description
Example 1
A production process of an organic modified silane heavy-duty anticorrosive coating comprises the following steps:
s1, sequentially adding liquid novolac epoxy resin into a dispersion tank, sequentially adding an anti-settling agent, a defoaming agent and a dispersing agent into the dispersion tank in a stirring state, uniformly stirring, then adding a silane coupling agent, dispersing for 25min at the rotating speed of 800 plus materials at 1000r/min, then continuously adding dimethylbenzene, pigment, filler and a leveling agent into the dispersion tank, dispersing for 15min at the rotating speed of 500 plus materials at 800r/min, then grinding and filtering, and controlling the fineness to be less than 50 mu m to obtain a component A, wherein the component A comprises the following components in parts by mass: 60 parts of novolac epoxy resin, 1 part of anti-settling agent, 0.5 part of defoaming agent, 0.5 part of dispersing agent, 2.5 parts of silane coupling agent, 5 parts of xylene, 10 parts of pigment, 5 parts of filler and 0.5 part of flatting agent, wherein the pigment is a mixture of iron oxide red and zinc phosphate, the mass ratio of the iron oxide red to the zinc phosphate is 1:3, the filler is barium sulfate, and the silane coupling agent is gamma-glycidyl ether oxypropyltrimethoxysilane;
s2, uniformly mixing a curing agent and n-butyl alcohol to obtain a component B, wherein the curing agent is a polyurethane curing agent, and the mass ratio of the n-butyl alcohol to the curing agent in the component B is 90: 11;
s3, adding nano graphene into n-butyl alcohol, performing ultrasonic dispersion for 20min to obtain uniformly dispersed graphene dispersion liquid, then adding a proper amount of silane coupling agent into the graphene dispersion liquid, and stirring for 40min to obtain a component C, wherein the mass ratio of the n-butyl alcohol to the nano graphene to the silane coupling agent in the component C is 50:6:10, and the silane coupling agent is gamma-glycidyl ether oxypropyltrimethoxysilane;
and S4, mixing the component A with the component C, fully and uniformly dispersing, and then uniformly mixing the mixed solution with the component B to prepare the heavy anti-corrosion coating, wherein the mass ratio of the component A to the component B to the component C is 100:11: 15.
Example 2
A production process of an organic modified silane heavy-duty anticorrosive coating comprises the following steps:
s1, sequentially adding liquid novolac epoxy resin into a dispersion tank, sequentially adding an anti-settling agent, a defoaming agent and a dispersing agent into the dispersion tank in a stirring state, uniformly stirring, then adding a silane coupling agent, dispersing for 25min at the rotating speed of 800 plus materials at 1000r/min, then continuously adding dimethylbenzene, pigment, filler and a leveling agent into the dispersion tank, dispersing for 15min at the rotating speed of 500 plus materials at 800r/min, then grinding and filtering, and controlling the fineness to be less than 50 mu m to obtain a component A, wherein the component A comprises the following components in parts by mass: 65 parts of novolac epoxy resin, 1 part of anti-settling agent, 0.5 part of defoaming agent, 0.5 part of dispersing agent, 2.5 parts of silane coupling agent, 8 parts of xylene, 12 parts of pigment, 8 parts of filler and 0.5 part of flatting agent, wherein the pigment is a mixture of iron oxide red and zinc phosphate, the mass ratio of the iron oxide red to the zinc phosphate is 1:3, the filler is barium sulfate, and the silane coupling agent is gamma-glycidyl ether oxypropyltrimethoxysilane;
s2, uniformly mixing a curing agent and n-butyl alcohol to obtain a component B, wherein the curing agent is a polyurethane curing agent, and the mass ratio of the n-butyl alcohol to the curing agent in the component B is 90: 11;
s3, adding nano graphene into n-butyl alcohol, performing ultrasonic dispersion for 20min to obtain uniformly dispersed graphene dispersion liquid, then adding a proper amount of silane coupling agent into the graphene dispersion liquid, and stirring for 40min to obtain a component C, wherein the mass ratio of the n-butyl alcohol to the nano graphene to the silane coupling agent in the component C is 60:8:15, and the silane coupling agent is gamma-glycidyl ether oxypropyltrimethoxysilane;
and S4, mixing the component A with the component C, fully and uniformly dispersing, and then uniformly mixing the mixed solution with the component B to prepare the heavy anti-corrosion coating, wherein the mass ratio of the component A to the component B to the component C is 100:11: 18.
Example 3
A production process of an organic modified silane heavy-duty anticorrosive coating comprises the following steps:
s1, sequentially adding liquid novolac epoxy resin into a dispersion tank, sequentially adding an anti-settling agent, a defoaming agent and a dispersing agent into the dispersion tank in a stirring state, uniformly stirring, then adding a silane coupling agent, dispersing for 25min at the rotating speed of 800 plus materials at 1000r/min, then continuously adding dimethylbenzene, pigment, filler and a leveling agent into the dispersion tank, dispersing for 15min at the rotating speed of 500 plus materials at 800r/min, then grinding and filtering, and controlling the fineness to be less than 50 mu m to obtain a component A, wherein the component A comprises the following components in parts by mass: 65 parts of novolac epoxy resin, 1 part of anti-settling agent, 0.5 part of defoaming agent, 0.5 part of dispersing agent, 2.5 parts of silane coupling agent, 5 parts of xylene, 12 parts of pigment, 5 parts of filler and 0.5 part of flatting agent, wherein the pigment is a mixture of iron oxide red and zinc phosphate, the mass ratio of the iron oxide red to the zinc phosphate is 1:4, the filler is barium sulfate, and the silane coupling agent is gamma-glycidyl ether oxypropyltrimethoxysilane;
s2, uniformly mixing a curing agent and n-butyl alcohol to obtain a component B, wherein the curing agent is a polyurethane curing agent, and the mass ratio of the n-butyl alcohol to the curing agent in the component B is 90: 11;
s3, adding nano graphene into n-butyl alcohol, performing ultrasonic dispersion for 20min to obtain uniformly dispersed graphene dispersion liquid, then adding a proper amount of silane coupling agent into the graphene dispersion liquid, and stirring for 40min to obtain a component C, wherein the mass ratio of the n-butyl alcohol to the nano graphene to the silane coupling agent in the component C is 60:8:15, and the silane coupling agent is gamma-glycidyl ether oxypropyltrimethoxysilane;
and S4, mixing the component A with the component C, fully and uniformly dispersing, and then uniformly mixing the mixed solution with the component B to prepare the heavy anti-corrosion coating, wherein the mass ratio of the component A to the component B to the component C is 100:13: 18.
The performance of the heavy anti-corrosive paint of the embodiment 1 to 3 is respectively detected, the adhesion force of the obtained coating reaches one level, and the salt spray resistance is as follows: 3000h, no obvious change (GB/T1771); resistance to 50% hydrochloric acid: no obvious change in 1 month (GB/T1763); resistance to 20% sodium hydroxide: no obvious change in 1 month (GB/T1763); resistance to artificial seawater: no significant change was observed for 1 month (GB/T9274).
The heavy anti-corrosion coating disclosed by the invention contains less solvent, has less pollution to the environment in the production and construction processes, and is relatively environment-friendly; the heavy anti-corrosion coating has good adhesive force, weather resistance and corrosion resistance, has long anti-corrosion period, and can be coated on base materials such as metal, concrete, wood and the like.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The production process of the organic modified silane heavy-duty anticorrosive paint is characterized by comprising the following steps of:
s1, sequentially adding liquid novolac epoxy resin into a dispersion tank, sequentially adding an anti-settling agent, a defoaming agent and a dispersing agent into the dispersion tank in a stirring state, uniformly stirring, then adding a silane coupling agent, dispersing for 20-30min at the rotating speed of 800 plus materials of 1000r/min, then continuously adding dimethylbenzene, pigment, filler and a leveling agent into the dispersion tank, dispersing for 15-20min at the rotating speed of 500 plus materials of 800r/min, and then grinding and filtering to obtain a component A;
s2, uniformly mixing a curing agent and n-butyl alcohol to obtain a component B, wherein the curing agent is a polyurethane curing agent;
s3, adding nano graphene into n-butyl alcohol, performing ultrasonic dispersion for 20-40min to obtain uniformly dispersed graphene dispersion liquid, then adding a proper amount of silane coupling agent into the graphene dispersion liquid, and stirring for 30-60min to obtain a component C;
and S4, mixing the component A with the component C, fully and uniformly dispersing, and uniformly mixing the mixed solution with the component B to obtain the heavy-duty anticorrosive paint.
2. The production process of the organic modified silane heavy-duty anticorrosive paint according to claim 1, characterized in that the mass ratio of the amounts of the component A, the component B and the component C in the step S4 is 100:8-25: 15-30.
3. The production process of the organic modified silane heavy-duty anticorrosive paint as claimed in claim 2, wherein the component A comprises the following components in parts by mass: 60-80 parts of phenolic epoxy resin, 0.5-5 parts of anti-settling agent, 0.1-2 parts of defoaming agent, 0.1-2 parts of dispersing agent, 2-5 parts of silane coupling agent, 5-10 parts of xylene, 5-15 parts of pigment, 5-10 parts of filler and 0.1-2 parts of flatting agent.
4. The production process of the organic modified silane heavy-duty anticorrosive paint according to claim 2, characterized in that the mass ratio of n-butanol to the curing agent in the component B is 70-100: 0.1-30.
5. The production process of the organic modified silane heavy-duty anticorrosive paint as claimed in claim 2, wherein the mass ratio of n-butanol, nano-graphene and silane coupling agent in the component C is 50-70:3-15: 10-30.
6. The production process of the organic modified silane heavy-duty anticorrosive paint according to claim 3, characterized in that the pigment is a mixture of iron oxide red and zinc phosphate, and the mass ratio of the iron oxide red to the zinc phosphate is 1: 2-5.
7. The production process of the organic modified silane heavy-duty anticorrosive paint according to claim 3, characterized in that the filler is one or a mixture of barium sulfate, talcum powder, mica powder and wollastonite powder.
8. The production process of the organic modified silane heavy-duty anticorrosive coating according to claim 1, characterized in that the silane coupling agent of the component A and the component C is gamma-glycidoxypropyltrimethoxysilane.
9. The process for producing an organically modified silane heavy-duty paint as claimed in claim 1, wherein the fineness is controlled to be less than 50 μm during the grinding and filtering process in the step S1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011473675.XA CN112592614A (en) | 2020-12-15 | 2020-12-15 | Production process of organic modified silane heavy-duty anticorrosive paint |
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| CN202011473675.XA CN112592614A (en) | 2020-12-15 | 2020-12-15 | Production process of organic modified silane heavy-duty anticorrosive paint |
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| CN112592614A true CN112592614A (en) | 2021-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114958151A (en) * | 2022-07-04 | 2022-08-30 | 北京理工大学珠海学院 | Composite anticorrosive material containing modified graphene oxide and preparation method thereof |
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2020
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| US20160280931A1 (en) * | 2013-03-06 | 2016-09-29 | The Sixth Element (Changzhou) Materials Technology Co., Ltd. | Zinc-Rich Epoxy Anti-Corrosion Coating and Preparation Method Thereof |
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Cited By (1)
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| CN114958151A (en) * | 2022-07-04 | 2022-08-30 | 北京理工大学珠海学院 | Composite anticorrosive material containing modified graphene oxide and preparation method thereof |
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