CN105505129A - Anticorrosive coating preparing method - Google Patents
Anticorrosive coating preparing method Download PDFInfo
- Publication number
- CN105505129A CN105505129A CN201510993025.0A CN201510993025A CN105505129A CN 105505129 A CN105505129 A CN 105505129A CN 201510993025 A CN201510993025 A CN 201510993025A CN 105505129 A CN105505129 A CN 105505129A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- coating
- protective system
- srcro
- mixture
- 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
-
- 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
- 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
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to an anticorrosive coating preparing method. The method comprises the steps of slowly adding the PANI/SrCrO4 compound and epoxy E-51 to N-methyl-pyrrolidone (NMP), conducting stirring in a high-speed stirrer, and then adding a polyamide curing agent and conducting stirring continuously, so that an anticorrosive coating is obtained with the PANI/SrCrO4 compound as anticorrosive filler and epoxy resin as a film forming substance; cutting a stainless steel sheet into a sample wafer, polishing the sample wafer by means of 200 abrasive paper for metallograph till the surface becomes uniform, and then conducting surface decontamination, acetone cleaning and air drying to be used; coating the surface of the processed stainless steel sheet with the prepared coating by means of a wet film preparing device after the coating stands for a while, and conducting standing at room temperature, so that a coating film is obtained. The method is simple, cost is low, and the prepared anticorrosive coating is stable in performance and good in anticorrosive effect.
Description
Technology neck and
The present invention relates to a kind of composite coating preparation method, particularly relate to a kind of preparation method of protective system.
Background technology
Polyaniline (PANI) has multiple conductivity state, and specific conductivity is high, chemical stability and chemical reduction good, and cost is low, attracts wide attention.Conductive polymers can be widely used in various field, comprises electronics, electrochemistry components and parts, photogalvanic cell, rechargeable battery, sensor and anticorrosive coating.Conductive polymers rot-resistant sharpest edges both to have played the effect of physical preservation, can play again the effect of Chemical Preservation, and other anti-corrosion methods only has wherein a kind of preservative activity.The anticorrosion mechanism of polyaniline anti-corrosive paint mainly contains: the electrochemical migration etc. on anodic protection, barrier property, inhibiter and surface.
The preservative effect of polyaniline can get a promotion by adding suitable filler.At present existing a variety of polyaniline/inorganic particle composite is studied, comprises PANI/Ti02, PANI/SiO and flutters the H such as PANI/ graphite and PA-NI/MMT " 1, but these inorganic particulates can not increase substantially the preservative effect of polyaniline.It is reported that strontium yellow not only can improve physical barrier effect, and passivation can be produced to metal, produce passive film, corrosion potential is shuffled, increase antiseptic property l and draw.Although strontium yellow is progressively prohibitted the use as poisonous rust-stabilising pigment, its antiseptic property exceptional.Prepare polyaniline-coated strontium yellow matrix material, the preservative effect of polyaniline can be played on the one hand, also can play the rust-preventing characteristic of strontium yellow simultaneously.Composite material surface is almost polyaniline completely, can greatly reduce strontium yellow inorganic particulate and contact with the direct of environment with human body, reduces its toxicity and the harm to environment.Moreover, the cost of polyaniline/strontium yellow composite anticorrosion coating is also lower than polyaniline paint, but research so far about this kind of complex systems is less.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of method, with low cost, prepared protective system stable performance, the preparation method that anticorrosion ability is good.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of preparation method of protective system, is characterized in that, comprises the steps:
First by PANI/SrCrO
4mixture and epoxy E-51 slowly join in N-Methyl pyrrolidone (NMP), stir under homogenizer;
And then add polyamide curing agent stirring, PANL/SrCrO
4mixture is as anticorrosive packing, and epoxy resin, as filmogen, obtains protective system;
Stainless steel substrates is tailored into print, polishes with 200 abrasive paper for metallograph, to surface uniform, then after surperficial removal of impurities and acetone cleaning, air-dry for subsequent use;
Left standstill by obtained coating, be then coated to the stainless steel substrates surface handled well with wet film preparing device, room temperature leaves standstill, the coating obtained.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described first by PANI/SrCrO
4mixture and epoxy E-51 slowly join in N-Methyl pyrrolidone (NMP), being implemented as follows of whipping step under homogenizer:
First by 1.2gPANI/SrCrO
4mixture and 12g epoxy E-51 slowly join in 10gN-methyl-2-pyrrolidone (NMP), under homogenizer, stir 30-50min.
Further, described and then add polyamide curing agent stir, PANL/SrCrO
4mixture is as anticorrosive packing, and epoxy resin, as filmogen, obtains being implemented as follows of protective system step:
And then add 10g polyamide curing agent, stir 15-20min, PANL/SrCrO
4mixture is as anticorrosive packing, and epoxy resin, as filmogen, obtains protective system.
Further, described stainless steel substrates is tailored into print, polishes with 200 abrasive paper for metallograph, to surface uniform, then after surperficial removal of impurities and acetone cleaning, being implemented as follows of air-dry standby step:
Stainless steel substrates is tailored into the print that size is 120mmx50mmx2mm, polishes with 200 abrasive paper for metallograph, to surface uniform, then after surperficial removal of impurities and acetone cleaning, air-dry for subsequent use.
Further, described obtained coating is left standstill 20min, be then coated to the stainless steel substrates surface handled well with wet film preparing device, room temperature leaves standstill 7d, and the coat-thickness obtained is being implemented as follows of 50 ± 5um step:
Obtained coating is left standstill 20-50min, and be then coated to the stainless steel substrates surface handled well with wet film preparing device, room temperature leaves standstill 7-10d, and the coat-thickness obtained is 50 ± 5um.
The invention has the beneficial effects as follows: method is simple, and with low cost, prepared protective system stable performance, anticorrosion ability is good.
Embodiment
Be described principle of the present invention and feature below in conjunction with example, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A preparation method for protective system, is characterized in that, comprises the steps:
First by PANI/SrCrO
4mixture and epoxy E-51 slowly join in N-Methyl pyrrolidone (NMP), stir under homogenizer;
And then add polyamide curing agent stirring, PANL/SrCrO
4mixture is as anticorrosive packing, and epoxy resin, as filmogen, obtains protective system;
Stainless steel substrates is tailored into print, polishes with 200 abrasive paper for metallograph, to surface uniform, then after surperficial removal of impurities and acetone cleaning, air-dry for subsequent use;
Left standstill by obtained coating, be then coated to the stainless steel substrates surface handled well with wet film preparing device, room temperature leaves standstill, the coating obtained.
Embodiment 1:
First by 1.2gPANI/SrCrO
4mixture and 12g epoxy E-51 slowly join in 10gN-methyl-2-pyrrolidone (NMP), under homogenizer, stir 30min.And then add 10g polyamide curing agent, stir 15min, PANL/SrCrO
4mixture is as anticorrosive packing, and epoxy resin, as filmogen, obtains protective system.Stainless steel substrates is tailored into the print that size is 120mmx50mmx2mm, polishes with 200 abrasive paper for metallograph, to surface uniform, then after surperficial removal of impurities and acetone cleaning, air-dry for subsequent use.Obtained coating is left standstill 20min, and be then coated to the stainless steel substrates surface handled well with wet film preparing device, room temperature leaves standstill 7d, and the coat-thickness obtained is 50um.
Embodiment 2:
First by 1.2gPANI/SrCrO
4mixture and 12g epoxy E-51 slowly join in 10gN-methyl-2-pyrrolidone (NMP), under homogenizer, stir 40min.And then add 10g polyamide curing agent, stir 18min, PANL/SrCrO
4mixture is as anticorrosive packing, and epoxy resin, as filmogen, obtains protective system.Stainless steel substrates is tailored into the print that size is 120mmx50mmx2mm, polishes with 200 abrasive paper for metallograph, to surface uniform, then after surperficial removal of impurities and acetone cleaning, air-dry for subsequent use.Obtained coating is left standstill 30min, and be then coated to the stainless steel substrates surface handled well with wet film preparing device, room temperature leaves standstill 8d, and the coat-thickness obtained is 52um.
Embodiment 3:
First by 1.2gPANI/SrCrO
4mixture and 12g epoxy E-51 slowly join in 10gN-methyl-2-pyrrolidone (NMP), under homogenizer, stir 50min.And then add 10g polyamide curing agent, stir 20min, PANL/SrCrO
4mixture is as anticorrosive packing, and epoxy resin, as filmogen, obtains protective system.Stainless steel substrates is tailored into the print that size is 120mmx50mmx2mm, polishes with 200 abrasive paper for metallograph, to surface uniform, then after surperficial removal of impurities and acetone cleaning, air-dry for subsequent use.Obtained coating is left standstill 50min, and be then coated to the stainless steel substrates surface handled well with wet film preparing device, room temperature leaves standstill 10d, and the coat-thickness obtained is 55um.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a preparation method for protective system, is characterized in that, comprises the steps:
First by PANI/SrCrO
4mixture and epoxy E-51 slowly join in N-Methyl pyrrolidone (NMP), stir under homogenizer;
And then add polyamide curing agent stirring, PANL/SrCrO
4mixture is as anticorrosive packing, and epoxy resin, as filmogen, obtains protective system;
Stainless steel substrates is tailored into print, polishes with 200 abrasive paper for metallograph, to surface uniform, then after surperficial removal of impurities and acetone cleaning, air-dry for subsequent use;
Left standstill by obtained coating, be then coated to the stainless steel substrates surface handled well with wet film preparing device, room temperature leaves standstill, the coating obtained.
2. the preparation method of a kind of protective system according to claim 1, is characterized in that, described first by PANI/SrCrO
4mixture and epoxy E-51 slowly join in N-Methyl pyrrolidone (NMP), being implemented as follows of whipping step under homogenizer:
First by 1.2gPANI/SrCrO
4mixture and 12g epoxy E-51 slowly join in 10gN-methyl-2-pyrrolidone (NMP), under homogenizer, stir 30-50min.
3. the preparation method of a kind of protective system according to claim 1, is characterized in that, described and then add polyamide curing agent and stir, PANL/SrCrO
4mixture is as anticorrosive packing, and epoxy resin, as filmogen, obtains being implemented as follows of protective system step:
And then add 10g polyamide curing agent, stir 15-20min, PANL/SrCrO
4mixture is as anticorrosive packing, and epoxy resin, as filmogen, obtains protective system.
4. the preparation method of a kind of protective system according to claim 1, is characterized in that, described stainless steel substrates is tailored into print, polish with 200 abrasive paper for metallograph, to surface uniform, then after surperficial removal of impurities and acetone cleaning, being implemented as follows of air-dry standby step:
Stainless steel substrates is tailored into the print that size is 120mmx50mmx2mm, polishes with 200 abrasive paper for metallograph, to surface uniform, then after surperficial removal of impurities and acetone cleaning, air-dry for subsequent use.
5. the preparation method of a kind of protective system according to claim 1, it is characterized in that, described obtained coating is left standstill 20min, then the stainless steel substrates surface handled well is coated to wet film preparing device, room temperature leaves standstill 7d, and the coat-thickness obtained is being implemented as follows of 50 ± 5um step:
Obtained coating is left standstill 20-50min, and be then coated to the stainless steel substrates surface handled well with wet film preparing device, room temperature leaves standstill 7-10d, and the coat-thickness obtained is 50 ± 5um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993025.0A CN105505129A (en) | 2015-12-25 | 2015-12-25 | Anticorrosive coating preparing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993025.0A CN105505129A (en) | 2015-12-25 | 2015-12-25 | Anticorrosive coating preparing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105505129A true CN105505129A (en) | 2016-04-20 |
Family
ID=55713446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510993025.0A Pending CN105505129A (en) | 2015-12-25 | 2015-12-25 | Anticorrosive coating preparing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105505129A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107057287A (en) * | 2017-05-18 | 2017-08-18 | 安徽普瑞普勒传热技术有限公司 | A kind of heat exchanger heat exchange material |
-
2015
- 2015-12-25 CN CN201510993025.0A patent/CN105505129A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107057287A (en) * | 2017-05-18 | 2017-08-18 | 安徽普瑞普勒传热技术有限公司 | A kind of heat exchanger heat exchange material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105419565B (en) | A kind of modified environment-friendly anticorrosive paint and preparation method | |
| CN109749569A (en) | Two-component graphene anticorrosive paint and preparation method thereof | |
| CN105400373A (en) | Graphene/deimpurity polyaniline-containing anticorrosive coating and preparation method thereof | |
| CN103173087B (en) | Anticorrosion Antistatic Paint of a kind of water-and acrylate Graft Epoxy Resin and preparation method thereof | |
| CN103351787B (en) | A kind of mechanized equipment low prepared surface high-performance anti-corrosive primer and preparation method | |
| CN103145954A (en) | Anacardol glycidyl ether modified aliphatic amine hardener and preparation method thereof | |
| CN104629510B (en) | The coating peeled off the preparation method of boron nitride anticorrosive paint and its obtain, the application of coating | |
| CN100422275C (en) | Infrared, invisible and anti-corrosion coating and its prepn. method | |
| CN107189638A (en) | Watersoluble plumbago alkene anticorrosive paint | |
| CN106810993A (en) | Self-healing mould assembly epoxy coating and its preparation and application based on the mesoporous container of micron order | |
| CN104017458A (en) | Solvent-free epoxy antirust coating capable of coating with rust and preparation method thereof | |
| CN109181476A (en) | A kind of graphene anticorrosive paint and its application method | |
| CN106497330A (en) | A kind of Graphene modified epoxy resin paint and preparation method thereof | |
| CN103756512A (en) | Anticorrosive paint coated under rusted and moist conditions | |
| CN103589311B (en) | A kind of preparation method of titanate esters modified nano cerium oxide/polyurethane Composite Coating | |
| CN109354967A (en) | A kind of graphene anticorrosive paint and preparation method thereof | |
| CN111822296A (en) | Preparation method of super-hydrophobic composite coating on surface of aluminum alloy | |
| CN105860709A (en) | Graphene oxide anti-corrosive paint and preparation method thereof | |
| CN107858066B (en) | A kind of graphene high-performance anticorrosion coating and preparation method thereof | |
| CN107163826B (en) | A kind of nano ceramics polymer anticorrosive paint and preparation method thereof | |
| CN113698848B (en) | Water-based nanosheet composite coating and preparation method and application thereof | |
| CN113621300B (en) | Nanosheet composite coating and preparation method and application thereof | |
| CN105505129A (en) | Anticorrosive coating preparing method | |
| CN107312460A (en) | A kind of long-acting type aqueous corrosion resisting paint without need of cleaning rust and preparation method thereof | |
| CN102723620B (en) | Composite anticorrosion grounding device and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160420 |