CN111154397A - High-temperature-resistant anticorrosive primer for metal structure surface and preparation method thereof - Google Patents
High-temperature-resistant anticorrosive primer for metal structure surface and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a high-temperature-resistant anticorrosive primer for a metal structure surface, which comprises the following components in parts by weight: 62-69 parts of temperature-resistant resin, 20-23 parts of temperature-resistant antirust pigment, 6-8 parts of filler, 3.5-4.5 parts of auxiliary agent and 3-6 parts of solvent; and a preparation method for preparing the high-temperature-resistant anticorrosive primer by using the components as raw materials. The high-temperature-resistant anticorrosive primer obtained by the invention is matched with the organic silicon high-temperature finish paint for coating construction, the formed coating has good physical and chemical properties and corrosion resistance, the service life of the coated object is prolonged under a certain range of high-temperature conditions, and the method is simple and convenient, high in solid content, environment-friendly, low in VOC (volatile organic compound) emission, energy-saving and low in cost.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a high-temperature-resistant anticorrosive primer for a metal structure surface and a preparation method thereof.
Background
With the continuous development of national economy and basic construction, the corrosion resistance requirements of national key projects and various large-scale projects are higher and higher, and especially, the strict requirements on the coating are provided for the high-temperature operation equipment of large-scale steel components, including basic facilities such as transportation pipelines, storage tanks, boilers, workshop equipment components and the like under the high-temperature special environmental conditions, so that the establishment of a long-acting corrosion-resistant project is imperative.
The G06-650 high-temperature resistant anticorrosion primer has good temperature resistance and salt spray resistance, and corrosion-retarding efficacy, and the primer has excellent adhesion and good matching property with organosilicon high-temperature finish paint, and is used for prolonging the service life of a coated object.
The traditional temperature-resistant antirust anticorrosive primer has limitations on forming a long-acting anticorrosive coating on the surface of a high-temperature metal component, the coated object is easy to rust and crack under the high-temperature environment condition, particularly, the maintenance and repair difficulty is high after measures such as adding a heat-insulating sleeve outside a high-temperature pipeline and special facility equipment, and the corrosion degree of the equipment at a hidden position in the operation process of the high-temperature and high-pressure environment is difficult to detect, so that certain potential safety hazards exist in the operation process.
Therefore, the technical personnel in the field need to solve the problem of how to provide a high temperature resistant anticorrosion primer for the surface of a metal structure, which is safe, environment-friendly and has excellent physical and chemical properties.
Disclosure of Invention
In view of the above, the invention provides a high temperature resistant anticorrosion primer for a metal structure surface, which is a self-drying single-component product and has good film forming performance and storage stability at normal temperature.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-temperature-resistant anticorrosive primer for the surface of a metal structure comprises the following components in parts by weight:
preferably, in the above high-temperature-resistant anticorrosive primer for metal structure surfaces, the high-temperature-resistant resin is organic/inorganic hybrid high-temperature-resistant resin, silicone resin and glass powder, further, the organic/inorganic hybrid high-temperature-resistant resin is 2# DSZ-20 organic/inorganic hybrid resin, the silicone resin is any one of 1# WB600 silicone high-temperature resin, 3# W90A silicone high-temperature resin and 4# SH-961 silicone resin, and the glass powder is PE550-1000 mesh glass powder.
The beneficial effects of the above technical scheme are: the PE550-1000 mesh glass powder is a low-melting-point substance, gradually softens and melts when the temperature of the coating is higher than 560 ℃, interweaves with organic/inorganic hybrid high-temperature-resistant resin and organic silicon resin to form a high-temperature coating, can form a firm and complete coating under a high-temperature condition, has a long-acting antirust and anticorrosive effect, and can prolong the service life of a coated object.
Preferably, in the above high-temperature-resistant anticorrosive primer for metal structure surface, the temperature-resistant and antirust pigment is ferromanganese black, graphite powder, aluminum powder slurry, mica iron oxide, and further preferably, the temperature-resistant and antirust pigment is F9900M ferromanganese black, 800 mesh graphite powder, N110 aluminum powder slurry, 500 mesh mica iron oxide.
The beneficial effects of the above technical scheme are: the F9900M ferromanganese black is ferrous metal at the temperature of more than 800 ℃, and has stronger covering power and antirust and temperature-resistant functions; the 800-mesh graphite powder is black at a temperature of more than 3000 ℃, belongs to a temperature-resistant anticorrosive material and has an antistatic function; the N110 aluminum paste is silver metal at a temperature of more than 700 ℃, is a temperature-resistant material and has strong covering power and antirust function; the 500-mesh mica iron oxide is silver gray scaly metal at the temperature of more than 900 ℃, and the heat-resistant anticorrosive material has the characteristics of strong sealing property, good antirust property and the like. The effect is better and more obvious after the temperature-resistant materials are mixed and compounded, and the prepared temperature-resistant anticorrosive primer has a complete coating under the high-temperature condition and has the characteristics of no rusting, no bubbling, no cracking and the like of a coating film.
Preferably, in the above high-temperature-resistant anticorrosive primer for the surface of the metal structure, the filler is barium sulfate and nanoscale talc powder, and further preferably, the barium sulfate is 1250-mesh precipitated barium sulfate.
The beneficial effects of the above technical scheme are: the nanoscale talcum powder can resist the temperature of more than 800 ℃, 1250-mesh precipitated barium sulfate can resist the temperature of more than 1200 ℃, the nanoscale talcum powder and the 1250-mesh precipitated barium sulfate are both white powder, the chemical resistance is good and stable, the filling effect is achieved, the nanoscale talcum powder can easily achieve the wetting and dispersing effect in the paint making process, the product stability is good, the thixotropy and the precipitation prevention effect are achieved, the compatibility with other substances is good, the coating film density is high, the shielding effect is better, and the antirust and anticorrosive functions are more perfect.
Preferably, in the high-temperature-resistant anticorrosive primer for the metal structure surface, the auxiliary agent is an anti-settling thixotropic agent, a dispersing agent, an antifoaming agent, fumed silica and an adhesion promoter, and further preferably, the auxiliary agent is a CIMA240 anti-settling thixotropic agent, 833-606 dispersing agent, HX-2080 antifoaming agent, R972 fumed silica and HS806 adhesion promoter.
The CIMA240 anti-settling thixotropic agent is used for enhancing the storage stability of a product and the anti-sagging property in the construction process, has good thixotropy and is put into use during product processing;
833-606 dispersing agent can prevent pigment particle agglomeration between pigment filler and resin and between pigment and pigment, so as to attain the goal of uniformly dispersing;
the HX-2080 defoaming agent is used for eliminating bubbles generated among gaps of the components;
the R972 fumed silica and the CIMA240 anti-settling thixotropic agent have synergistic effect, so that the water resistance and the temperature resistance of the coating can be enhanced;
HS806 adhesion promoter is used to enhance the adhesion of the primer to the metal surface.
Preferably, in the above high-temperature-resistant anticorrosion primer for the surface of the metal structure, the solvent is xylene or butyl acetate.
The technical scheme has the beneficial effects that the xylene and butyl acetate are mixed for use, so that the resin has better diluting capability and moderate volatilization speed.
The invention also discloses a preparation method of the high-temperature-resistant anticorrosive primer for the surface of the metal structure, which comprises the following steps:
(1) mixing dimethylbenzene, a dispersing agent and defoaming agent fumed silica, adding an anti-settling thixotropic agent, organic silicon resin, organic/inorganic hybrid high-temperature-resistant resin, glass powder, manganese iron black, graphite powder, nano-scale talcum powder, barium sulfate and mica iron oxide in a stirring state, and stirring at a high speed until the mixture is uniform;
(2) sanding and dispersing the uniformly stirred mixture, and then inputting the mixture into a paint mixing tank for later use;
(3) dissolving dimethylbenzene and an adhesion promoter in butyl acetate, and adding aluminum paste under stirring to mix uniformly for later use;
(4) putting the mixture obtained in the step (3) into the paint mixing tank obtained in the step (2) under stirring, uniformly stirring at a low speed, adjusting the viscosity and the color, and stopping the machine for detection;
(5) after the primer is qualified, filtering and packaging the primer by using a 80-100 mesh wire mesh screen to obtain the high-temperature-resistant anticorrosive primer.
The adding sequence of the substances is determined according to the material characteristics, the process safety and the product quality requirements.
Preferably, in the above preparation method of the high temperature resistant anticorrosion primer for the metal structure surface, the stirring speed in the step (1) is 800-850r/min, and the stirring time is 30-40 min.
Preferably, in the above method for preparing a high temperature and corrosion resistant primer for metal structure surfaces, the uniformly stirred mixture is dispersed by sand milling to less than or equal to 50 μm in step (2).
The beneficial effects of the above technical scheme are: the components are further mixed and dissolved by sanding and dispersed, the color of each pigment is effectively developed, and the prepared product has the advantages of uniform distribution of the components and good film fullness.
Preferably, in the above method for preparing a high temperature resistant anticorrosion primer for a metal structure surface, the stirring speed in the step (4) is 60-80 r/min.
The beneficial effects of the above technical scheme are: considering the wetting and dispersing effect among the mixed substances, the solvent, the auxiliary agent, the resin, the pigment and the filler need to be adhered and agglomerated to each other and need to be thoroughly dispersed, the mixed and dissolved substances reach the optimal state under the stirring condition, the stirring temperature naturally rises to 40 ℃ to reach the sanding and dispersing condition, and the sanding and dispersing temperature is automatically controlled at 65 ℃.
Compared with the prior art, the invention discloses a high-temperature-resistant anticorrosive primer for the surface of a metal structure, and the primer has the following advantages:
(1) the invention belongs to a high temperature resistant anticorrosion special coating, which is characterized in that high temperature resistant anticorrosion primer is matched and constructed on the surfaces of facilities such as pipelines, storage tanks and mechanical equipment of a stainless steel structural member, the antirust anticorrosion performance is excellent under the high temperature condition of about 600 ℃, the service life of an object to be coated is prolonged under a special environment, wherein glass powder is melted and converted into a film under the high temperature environment, and the glass powder and resin form a complete coating and are firmly attached to the surface of the object to be coated;
(2) the invention belongs to a self-drying type single-component product, which has the characteristics of high solid content, high coating compactness and strong closure, the surface of a metal component is matched (coated on the bottom surface) at one time, the thickness of a dry film is within the range of 300-350 microns, an interlayer coating is firmly combined with the metal component, a long-acting type high-temperature anticorrosive coating system is established on the metal surface, and the coating is complete, does not fall off and does not crack after a high-temperature to normal-temperature circulating operation test;
(3) the high-temperature-resistant anticorrosive primer coating film has excellent physical and chemical properties, the salt spray resistant project of the high-temperature-resistant anticorrosive primer coating film is 2000 hours, and a foundation is laid for a long-acting anticorrosive coating system;
(4) the finished product solvent prepared by the invention has the characteristics of low VOC content, low discharge capacity, high solid content, thick paste type and the like.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
(1) 20 kg of xylene, 5 kg of 606-833-gravy dispersant, 6 kg of HX-2080 defoamer and 3 kg of R972 fumed silica are sequentially blended into a blending tank, 19 kg of CIMA240 anti-sinking thixotropic agent, 290 kg of 1# WET600 high temperature resistant resin, 30 kg of 2# DSSZ20 resin, 330 kg of PE 550-1000-mesh glass powder, 86 kg of F9900M manganese iron black, 8 kg of 800-mesh graphite powder, 50 kg of nanoscale talc powder, 12 kg of 1250-mesh precipitated barium sulfate, and 55 kg of 500-mesh mica iron oxide are stirred at a high speed (850 revolutions per minute) for 30-40 minutes and then fully stirred and uniformly mixed;
(2) the uniformly stirred mixture was subjected to sand-milling dispersion and when the fineness reached a predetermined level (50 μm or less), the sand-milling dispersion was stopped, and the above mixture (914 kg) was fed into a paint mixing tank.
(3) 12 kg of xylene, 6 kg of HS806 adhesion promoters and 6 kg of butyl acetate are sequentially distributed to a distribution tank, and 62 kg of N110 aluminum paste (86 kg) are uniformly mixed under slow stirring for later use.
(4) Slowly putting a mixture (86 kg) of xylene, an HS806 adhesion promoter, butyl acetate, aluminum powder and the like into a paint mixing tank under stirring at a low speed (60-80 revolutions per minute) to be stirred to adjust items such as viscosity, color and the like, and stopping the machine to be detected;
(5) after passing the inspection, the raw materials are filtered and packaged by using a wire mesh with 80-100 meshes, and 1000 kg of G06-650 high-temperature resistant anticorrosion primer products are obtained.
(6) The product can be sprayed, rolled and brushed, and the coating is equipped with special diluent.
The detection is carried out by adopting the standard of GB/T1771 color device and determination method of neutral salt spray resistance of varnish, and the result is as follows:
st2 surface treatment is carried out on the steel plate, the thickness of a dry film of the G06-650 high-temperature resistant anticorrosion primer is about 120 +/-10 microns, and the salt spray resistance of the paint film reaches 2000 hours. The product has strong matching adaptability and obvious matching anticorrosion effect with the organic silicon high-temperature finish paint.
St 2-grade surface treatment is carried out on the steel plate, the dry film thickness of the G06-650 high-temperature resistant anticorrosion primer is 120 +/-10 microns, and the test result (reaching 40) of the impact strength/cm is more than or equal to 30 (the steel plate is 50 multiplied by 120 multiplied by 2 mm) is passed after the test is carried out in a high-temperature furnace (600 +/-10 ℃ by 2h) according to GB1735 'determination method for heat resistance of paint film'.
Example 2
(1) 20 kilograms of xylene, 5 kilograms of 606-kilogram dispersant, 6 kilograms of HX-2080 defoamer, and 3 kilograms of R972 fumed silica are sequentially proportioned into a batching tank, 19 kilograms of CIMA240 anti-sinking thixotropic agent, 290 kilograms of 3# W90A high temperature resistant resin, 30 kilograms of 2# DSSZ20 resin, 330 kilograms of PE550-1000 mesh glass powder, 86 kilograms of F99 9900M manganese iron black, 8 kilograms of 800-mesh graphite powder, 50 kilograms of nanoscale talc powder, 12 kilograms of 1250-mesh precipitated barium sulfate, and 55 kilograms of 500-mesh mica iron oxide are stirred at a high speed (850 revolutions per minute) for 30-40 minutes and then fully stirred and uniformly mixed;
(2) sanding and dispersing the uniformly stirred mixture until the mixture reaches a specified fineness (less than or equal to 50 micrometers), and inputting the mixture (914 kg) into a paint mixing tank;
(3) sequentially feeding 12 kg of xylene, 6 kg of HS806 adhesion promoter and 6 kg of butyl acetate to a material preparation tank, and feeding 62 kg of N110 aluminum paste (86 kg) under slow stirring to uniformly mix for later use;
(4) slowly putting a mixture (86 kg) of xylene, an HS806 adhesion promoter, butyl acetate, aluminum powder and the like into a paint mixing tank under stirring at a low speed (60-80 revolutions per minute), stirring, adjusting items such as viscosity, color and the like, and stopping the machine to be detected;
(5) after the paint is qualified, filtering and packaging the paint by using a 80-100-mesh wire mesh to obtain 1000 kg of G06-650 high-temperature resistant anticorrosion primer products;
(6) the product can be sprayed, rolled and brushed, and the coating is equipped with special diluent.
The detection is carried out by adopting the standard of GB/T1771 color device and determination method of neutral salt spray resistance of varnish, and the result is as follows:
st 2-grade surface treatment is carried out on the steel plate, the thickness of a dry film of the G06-650 high-temperature resistant anticorrosion primer is about 120 +/-10 microns, the salt spray resistance of the paint film reaches 2000 hours, and the product matching adaptability is strong, and the matching anticorrosion effect with the organosilicon high-temperature finish paint is obvious.
St 2-grade surface treatment is carried out on the steel plate, the dry film thickness of the G06-650 high-temperature resistant anticorrosion primer is 120 +/-10 microns, and the test result of the impact strength/cm which is more than or equal to 30 (50 x 120 x 2 mm) of the steel plate passes after the test is carried out in a high-temperature furnace (600 +/-10 ℃ x 2h) according to GB1735 'determination method for heat resistance of paint film'.
Example 3
(1) 20 kg of xylene, 5 kg of 606-833-gravy dispersant, 6 kg of HX-2080 defoamer and 3 kg of R972 fumed silica are sequentially proportioned into a batching tank, 19 kg of CIMA240 anti-sinking thixotropic agent, 290 kg of 4# SH-961 high-temperature-resistant resin, 30 kg of 2# DSSZ20 resin, 330 kg of PE550-1000 glass powder, 86 kg of F9900M manganese iron black, 8 kg of 800-mesh graphite powder, 50 kg of nanoscale talc powder, 12 kg of 1250-mesh precipitated barium sulfate, 55 kg of 500-mesh mica iron oxide and uniformly stirred at a high speed (850 revolutions per minute) for 30-40 minutes;
(2) sanding and dispersing the uniformly stirred mixture until the mixture reaches a specified fineness (less than or equal to 50 micrometers), and inputting the mixture (914 kg) into a paint mixing tank;
(3) sequentially mixing 12 kg of xylene, 6 kg of HS806 adhesion promoters and 6 kg of butyl acetate, and feeding 62 kg of N110 aluminum paste (86 kg) under slow stirring to uniformly mix for later use;
(4) slowly putting a mixture (86 kg) of xylene, an HS806 adhesion promoter, butyl acetate, aluminum powder and the like into a paint mixing tank under stirring at a low speed (60-80 revolutions per minute), stirring, adjusting items such as viscosity, color and the like, and stopping the machine to be detected;
(5) after the paint is qualified, filtering and packaging the paint by using a 80-100-mesh wire mesh to obtain 1000 kg of G06-650 high-temperature resistant anticorrosion primer products;
(6) the product can be sprayed, rolled and brushed, and the coating is equipped with special diluent.
The detection is carried out by adopting the standard of GB/T1771 color device and determination method of neutral salt spray resistance of varnish, and the result is as follows:
st2 surface treatment is carried out on the steel plate, the thickness of a dry film of the G06-650 high-temperature resistant anticorrosion primer is about 120 +/-10 microns, and the salt spray resistance of the paint film reaches 2000 hours. The product has strong matching adaptability and obvious matching anticorrosion effect with the organic silicon high-temperature finish paint.
St 2-grade surface treatment is carried out on the steel plate, the dry film thickness of the G06-650 high-temperature resistant anticorrosion primer is 120 +/-10 microns, and the test result of the impact strength/cm which is more than or equal to 30 (50 x 120 x 2 mm) of the steel plate passes after the test is carried out in a high-temperature furnace (600 +/-10 ℃ x 2h) according to GB1735 'determination method for heat resistance of paint film'.
Specifically, the invention detects the performance indexes of the related technologies of the high temperature resistant anticorrosive primer obtained in the examples 1 to 3, and the detection results are shown in the following table 1:
TABLE 1 test results
The method is applied to production practice to prepare 3 tons of high-temperature-resistant anticorrosive primer, and the process flow is as follows:
(1) preparing N110 aluminum paste mixed solution in advance: the method comprises the following steps of sequentially mixing 36 kg of xylene, 18 kg of HS806 adhesion promoters and 18 kg of butyl acetate, and feeding 186 kg of N110 aluminum paste (258 kg) under slow stirring to dilute and uniformly mix the raw materials for later use.
(2) Preparing materials: 60 kg of xylene, 15 kg of 606-833-inch dispersant, 18 kg of HX-2080 defoamer, and 9 kg of R972 fumed silica are sequentially proportioned into a batching tank, 57 kg of CIMA240 anti-sinking thixotropic agent, 870 kg of 1# WET600 high temperature resistant resin, 90 kg of 2# DSSZ20 resin, 550 kg of PE550-1000 glass powder, 258 kg of F9900M manganese iron black, 24 kg of 800-mesh graphite powder, 150 kg of nanoscale talc, 36 kg of 1250-mesh precipitated barium sulfate, and 165 kg of 500-mesh mica iron oxide are stirred at a high speed (800 and 850 revolutions per minute) for 30-40 minutes to be uniform (2742 kg of each kg of mica).
(3) Sanding and dispersing: and (3) performing sand milling dispersion on the uniformly stirred mixture of the resin, the pigment, the filler and the cosolvent, and stopping sand milling dispersion and inputting the mixture into a paint mixing tank when the mixture reaches a specified fineness (less than or equal to 50 micrometers).
(4) Paint mixing: and slowly throwing the prepared N110 aluminum paste mixed solution 258 kg into a paint mixing tank under stirring, and adjusting the color viscosity and other items.
(5) Packaging: using a 100 mesh wire screen, 20L drums were wrapped, and 3000 kg/drum (25 × 1 × 120 kg) of high temperature resistant anticorrosion primer product were collected from each drum, and 3000 kg of G06-650 kg of high temperature resistant anticorrosion primer product were collected.
The product can be sprayed, rolled and brushed, and the coating is equipped with special diluent.
Detecting salt spray resistance; the detection is carried out by adopting the standard of GB/T1771 color device and determination method of neutral salt spray resistance of varnish, and the result is as follows: st2 surface treatment is carried out on the steel plate, the thickness of a dry film of the G06-650 high-temperature resistant anticorrosion primer is 120 +/-10 microns, and the salt spray resistance of the paint film reaches 2000 hours. The product has strong matching adaptability and obvious anti-corrosion and temperature-resistant effects when matched with the organic silicon high-temperature finish paint.
Temperature resistance detection; st2 grade surface treatment is carried out on the steel plate, the dry film thickness of the G06-650 high temperature resistant anticorrosion primer is sprayed to be 120 +/-10 microns, the test is carried out in a high temperature furnace (600 +/-10 ℃ for 2h) according to GB 1735' determination method for heat resistance of paint film), and then the impact strength/cm is more than or equal to 30 (the steel plate is 50 multiplied by 120 multiplied by 1 mm)
The product has strong matching adaptability and obvious matching anticorrosion effect with the temperature-resistant finish paint.
The product is tested by the national chemical building material quality supervision and inspection center that all indexes meet the requirements, and the specific detection result is shown in table 2.
TABLE 2
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The high-temperature-resistant anticorrosive primer for the surface of the metal structure is characterized by comprising the following components in parts by weight:
2. the primer of claim 1, wherein the temperature-resistant resin is an organic/inorganic hybrid high-temperature-resistant resin, a silicone resin, or a glass powder.
3. The high-temperature-resistant anticorrosive primer for metal structure surfaces according to claim 1, wherein the high-temperature-resistant anticorrosive pigment is manganese iron black, graphite powder, aluminum powder slurry or mica iron oxide.
4. The primer of claim 1, wherein the filler is barium sulfate or nanoscale talc.
5. The high-temperature-resistant anticorrosive primer for metal structure surfaces according to claim 1, wherein the auxiliary agent is an anti-settling thixotropic agent, a dispersing agent, an antifoaming agent, fumed silica and an adhesion promoter.
6. The primer of claim 1, wherein the solvent is xylene or butyl acetate.
7. A method for preparing the high-temperature resistant anticorrosion primer for the surface of the metal structure as recited in any one of claims 1 to 6, which is characterized by comprising the following steps:
(1) mixing dimethylbenzene, a dispersing agent, a defoaming agent and fumed silica, adding an anti-settling thixotropic agent, organic silicon resin, organic/inorganic hybrid high-temperature-resistant resin, glass powder, F9900M ferromanganese black, graphite powder, nano-scale talcum powder, barium sulfate and mica iron oxide in a stirring state, and stirring at a high speed until the mixture is uniform;
(2) sanding and dispersing the uniformly stirred mixture, and then inputting the mixture into a paint mixing tank for later use;
(3) dissolving dimethylbenzene and an adhesion promoter in butyl acetate, and adding aluminum paste under stirring to mix uniformly for later use;
(4) putting the mixture obtained in the step (3) into the paint mixing tank obtained in the step (2) under stirring, uniformly stirring at a low speed, adjusting the viscosity and the color, and stopping the machine for detection;
(5) after the primer is qualified, filtering and packaging the primer by using a 80-100 mesh wire mesh screen to obtain the high-temperature-resistant anticorrosive primer.
8. The method for preparing the high temperature resistant and corrosion resistant primer for metal structure surface as claimed in claim 7, wherein the stirring speed in step (1) is 800-850r/min, and the stirring time is 30-40 min.
9. The method for preparing the high temperature resistant anticorrosion primer for the metal structure surface as claimed in claim 7, wherein the uniformly stirred mixture is dispersed by sand milling to less than or equal to 50 μm in the step (2).
10. The method for preparing the high temperature and corrosion resistant primer for metal structure surface according to claim 7, wherein the stirring speed in the step (4) is 60-80 r/min.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113583486A (en) * | 2021-07-29 | 2021-11-02 | 广东四方威凯新材料有限公司 | Sterilization temperature-resistant coating and preparation method and use method thereof |
| CN116445077A (en) * | 2023-04-06 | 2023-07-18 | 武汉双虎涂料股份有限公司 | Normal-temperature self-drying water-based aluminum powder high-temperature-resistant coating and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03220269A (en) * | 1989-11-30 | 1991-09-27 | Furukawa Electric Co Ltd:The | Polyphenylene sulfide composition for powder coating and preparation thereof |
| CN1560156A (en) * | 2004-02-19 | 2005-01-05 | 常州市鑫发涂料有限公司 | Paint of organic silicon capable of resisting high temp |
| CN101130663A (en) * | 2007-10-10 | 2008-02-27 | 大庆油田有限责任公司 | Fire resistant anticorrosive paint of organosilicon |
| CN102344726A (en) * | 2010-08-03 | 2012-02-08 | 无锡市全发化工有限公司 | Fire resistant coating for composite steel structure and preparation method thereof |
| CN102719191A (en) * | 2012-06-26 | 2012-10-10 | 华南理工大学 | High-temperature-resistant anticorrosive paint and preparation method thereof |
| CN106700844A (en) * | 2015-07-20 | 2017-05-24 | 海洋化工研究院有限公司 | Preparation of weather-proof temperature-resistant anticorrosive coating |
| CN110551449A (en) * | 2019-09-08 | 2019-12-10 | 陕西航空电气有限责任公司 | high-temperature-resistant insulating impregnating varnish and preparation method and application thereof |
-
2020
- 2020-01-07 CN CN202010014218.8A patent/CN111154397A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03220269A (en) * | 1989-11-30 | 1991-09-27 | Furukawa Electric Co Ltd:The | Polyphenylene sulfide composition for powder coating and preparation thereof |
| CN1560156A (en) * | 2004-02-19 | 2005-01-05 | 常州市鑫发涂料有限公司 | Paint of organic silicon capable of resisting high temp |
| CN101130663A (en) * | 2007-10-10 | 2008-02-27 | 大庆油田有限责任公司 | Fire resistant anticorrosive paint of organosilicon |
| CN102344726A (en) * | 2010-08-03 | 2012-02-08 | 无锡市全发化工有限公司 | Fire resistant coating for composite steel structure and preparation method thereof |
| CN102719191A (en) * | 2012-06-26 | 2012-10-10 | 华南理工大学 | High-temperature-resistant anticorrosive paint and preparation method thereof |
| CN106700844A (en) * | 2015-07-20 | 2017-05-24 | 海洋化工研究院有限公司 | Preparation of weather-proof temperature-resistant anticorrosive coating |
| CN110551449A (en) * | 2019-09-08 | 2019-12-10 | 陕西航空电气有限责任公司 | high-temperature-resistant insulating impregnating varnish and preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113583486A (en) * | 2021-07-29 | 2021-11-02 | 广东四方威凯新材料有限公司 | Sterilization temperature-resistant coating and preparation method and use method thereof |
| CN116445077A (en) * | 2023-04-06 | 2023-07-18 | 武汉双虎涂料股份有限公司 | Normal-temperature self-drying water-based aluminum powder high-temperature-resistant coating and preparation method and application thereof |
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