CN105694552A - High-temperature-resistant anti-corrosion paint and preparation method thereof - Google Patents
High-temperature-resistant anti-corrosion paint and preparation method thereof Download PDFInfo
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- CN105694552A CN105694552A CN201610263496.0A CN201610263496A CN105694552A CN 105694552 A CN105694552 A CN 105694552A CN 201610263496 A CN201610263496 A CN 201610263496A CN 105694552 A CN105694552 A CN 105694552A
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Classifications
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
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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
- C09D5/18—Fireproof paints including high temperature resistant 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
Abstract
The invention provides a high-temperature-resistant anti-corrosion paint. The high-temperature-resistant anti-corrosion paint is prepared from, by weight, 8-12 parts of alumina sol, 15-20 parts of aluminum dihydrogen phosphate, 8-14 parts of glass powder, 5-10 parts of talcum powder, 20-25 parts of mica powder, 1-5 parts of dicyclopentadienyl oxyethyl acrylate and 20-30 parts of water. The invention further provides a preparation method of the high-temperature-resistant anti-corrosion paint. All components in the high-temperature-resistant anti-corrosion paint cooperate with one another and have complementary advantages, so that the paint has excellent anti-corrosion performance, high temperature resistance, anti-checking performance, storage stability and the like on the premise of maintaining large adhesive force.
Description
Technical field
The invention belongs to technical field of coatings, particularly relate to a kind of fire-resistant anticorrosion paint and preparation method thereof。
Background technology
Fast development along with modern industry and national defense construction (such as space flight, aviation, weapons etc.) industry, the requirement of equipment high-temperaure coating is more and more higher, it is desirable at high temperature paint film invariant color, not fall off, remain to keep good physical and mechanical properties and antiseptic property。
High-temperature resistant coating, also known as heat-resisting paint, generally refers to more than 200 DEG C, paint film invariant color, does not fall off, and remains to keep the coating of suitable physical and mechanical properties, can make the special functional coating that protected object can normally play a role in hot environment。Therefore, high-temperature resistant coating is widely used in iron and steel chimney, high-temperature pipe, high temperature furnace shell, petroleum cracking device and the high temperature such as tank, cannon place, delays the heat hydrogenation corrosion at high temperature of the hardwares such as iron and steel, it is ensured that equipment energy life-time service。
At present that the report of heat-resisting paint is a lot, and the heat resistance of existing high-temperature resistant coating is substantially attained by instructions for use, but all there are disadvantages that。As long in paint film surface drying time, cause in use because of cause influence paint film appearances such as dusts；The shortcoming such as corrosion-resistant under high temperature。
Summary of the invention
In view of this, a kind of fire-resistant anticorrosion paint of necessary offer and preparation method thereof, to overcome the problems referred to above。
The present invention provides a kind of fire-resistant anticorrosion paint, and it includes the raw material of following weight portion: Alumina gel 8～12 parts, aluminium dihydrogen phosphate 15～20 parts, 8～14 parts of glass dust, Pulvis Talci 5～10 parts, mica powder 20～25 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 1～5 part and 20～30 parts of water。
Wherein, described Alumina gel is a kind of pH value is 5～7, particle size analysis is at 60 ran, thick gel that the transparency is good, translucent to transparent, micelle microstructure in this Alumina gel is featheriness, positively charged, nontoxic, odorless, non-volatile, non-combustible, generate activated alumina or high purity aluminium oxide after high temperature dehydration。
Based on above-mentioned, it includes the raw material of following weight portion: Alumina gel 9～11 parts, aluminium dihydrogen phosphate 16～18 parts, 10～12 parts of glass dust, Pulvis Talci 7～9 parts, mica powder 22～24 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2～3 parts and 23～27 parts of water。
Based on above-mentioned, it includes the raw material of following weight portion: Alumina gel 10 parts, aluminium dihydrogen phosphate 17 parts, 11 parts of glass dust, Pulvis Talci 8 parts, mica powder 23 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2 parts and 25 parts of water。
The preparation method that the present invention also provides for a kind of above-mentioned fire-resistant anticorrosion paint, it comprises the following steps:
When 40～80 DEG C, by Alumina gel, aluminium dihydrogen phosphate and water Homogeneous phase mixing, form the first mixed solution；
Glass dust, Pulvis Talci and mica powder are joined in described first mixed solution, and ultrasonic disperse 30～40 minutes, obtain the second mixed solution；
Acrylic acid double cyclopentenyl oxygen ethyl ester is joined in described second mixed solution, and stirs 4～6 hours with the rotating speed of 900～1200r/min when 40～80 DEG C, prepare described fire-resistant anticorrosion paint。
At above-mentioned fire-resistant anticorrosion paint, Alumina gel can largely improve biphosphate al binder heat resistance, and participate in film forming, for the adhesion strength under high temperature, thermal shock resistance is respectively provided with the effect of greatly facilitating, so, coordinate at aluminium dihydrogen phosphate and Alumina gel and can reach, as binding agent, the effect that performance advantage is complementary。Acrylic acid double cyclopentenyl oxygen ethyl ester can automatically carry out being polymerized under the environment of film forming as coalescents and cross-link, and becomes a composition part for paint film, it is possible to make up the problem that in film forming procedure, volume contraction is relatively big, paint film is easy to crack。
Glass dust, Pulvis Talci and mica powder are mainly used as the implant of above-mentioned fire-resistant anticorrosion paint。Glass dust is white powder, has the advantages such as transparency good, hardness is high, even particle size distribution, good dispersion, and paint film is good without blue light, recoatability, improves the anti scuffing performance of paint film, has photoextinction, can improve the weatherability of paint film。Pulvis Talci linear expansion coefficient is very big, the coefficient of expansion brushing base material close to described fire-resistant anticorrosion paint, but its volumetric expansion dilution is only small, therefore talcous interpolation can change the linear expansion coefficient of coating, anti-be full of cracks performance under the alternating hot and cold performance of raising coating and high temperature, sedimentation when coating stores can be slowed down simultaneously, and coating flowing hanging can be prevented, improve the resistance to water of film, wearability。Mica powder can significantly improve paint film strength and resistance to chalking。
Therefore, cooperate between each component in fire-resistant anticorrosion paint provided by the invention, have complementary advantages, this coating is made to keep under the premise of good adhesion, there is the characteristic such as the anticorrosion of excellence, tolerance high temperature, anti-be full of cracks, cold-hot alternation, storage stability, have a extensive future at special dimensions such as petroleum and petrochemical industry, metallurgy, electric power, national defence。The preparation method of above-mentioned fire-resistant anticorrosion paint provided by the invention is easy and simple to handle, it is easy to realize。
Detailed description of the invention
Below by detailed description of the invention, technical scheme is described in further detail。
Embodiment 1
The embodiment of the present invention 1 provides a kind of fire-resistant anticorrosion paint, it includes the raw material of following weight portion: Alumina gel 8 parts, aluminium dihydrogen phosphate 15 parts, 8 parts of glass dust, Pulvis Talci 5 parts, mica powder 20 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 1 part and 20 parts of water, wherein, each raw material in this embodiment is technical grade。
Preparation method: when 40 DEG C, by Alumina gel, aluminium dihydrogen phosphate and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, Pulvis Talci and mica powder are joined in described first mixed solution, and ultrasonic disperse 30 minutes, obtain the second mixed solution；Acrylic acid double cyclopentenyl oxygen ethyl ester is joined in described second mixed solution, and stirs 6 hours with the rotating speed of 1200r/min when 40 DEG C, prepare the fire-resistant anticorrosion paint described in the present embodiment。
Embodiment 2
The embodiment of the present invention 2 provides a kind of fire-resistant anticorrosion paint, it includes the raw material of following weight portion: Alumina gel 9 parts, aluminium dihydrogen phosphate 16 parts, 10 parts of glass dust, Pulvis Talci 7 parts, mica powder 22 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2 parts and 23 parts of water, wherein, each raw material in this embodiment is technical grade。
Preparation method: when 50 DEG C, by Alumina gel, aluminium dihydrogen phosphate and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, Pulvis Talci and mica powder are joined in described first mixed solution, and ultrasonic disperse 30 minutes, obtain the second mixed solution；Acrylic acid double cyclopentenyl oxygen ethyl ester is joined in described second mixed solution, and stirs 6 hours with the rotating speed of 1100r/min when 50 DEG C, prepare the fire-resistant anticorrosion paint described in the present embodiment。
Embodiment 3
The embodiment of the present invention 3 provides a kind of fire-resistant anticorrosion paint, it includes the raw material of following weight portion: Alumina gel 10 parts, aluminium dihydrogen phosphate 17 parts, 11 parts of glass dust, Pulvis Talci 8 parts, mica powder 23 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2 parts and 25 parts of water, wherein, each raw material in this embodiment is technical grade。
Preparation method: when 60 DEG C, by Alumina gel, aluminium dihydrogen phosphate and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, mica powder and Pulvis Talci are joined in described first mixed solution, and ultrasonic disperse 35 minutes, obtain the second mixed solution；Acrylic acid double cyclopentenyl oxygen ethyl ester is joined in described second mixed solution, and stirs 5 hours with the rotating speed of 1000r/min when 60 DEG C, prepare the fire-resistant anticorrosion paint described in the present embodiment。
Embodiment 4
The embodiment of the present invention 4 provides a kind of fire-resistant anticorrosion paint, it includes the raw material of following weight portion: Alumina gel 11 parts, aluminium dihydrogen phosphate 18 parts, 12 parts of glass dust, Pulvis Talci 9 parts, mica powder 24 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 3 parts and 27 parts of water, wherein, each raw material in this embodiment is technical grade。
Preparation method: when 70 DEG C, by Alumina gel, aluminium dihydrogen phosphate and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, mica powder and Pulvis Talci are joined in described first mixed solution, and ultrasonic disperse 40 minutes, obtain the second mixed solution；Acrylic acid double cyclopentenyl oxygen ethyl ester is joined in described second mixed solution, and stirs 5 hours with the rotating speed of 1000r/min when 70 DEG C, prepare the fire-resistant anticorrosion paint described in the present embodiment。
Embodiment 5
The embodiment of the present invention 5 provides a kind of fire-resistant anticorrosion paint, it includes the raw material of following weight portion: Alumina gel 12 parts, aluminium dihydrogen phosphate 20 parts, 14 parts of glass dust, Pulvis Talci 10 parts, mica powder 25 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 5 parts and 30 parts of water, wherein, each raw material in this embodiment is technical grade。
Preparation method: when 80 DEG C, by Alumina gel, aluminium dihydrogen phosphate and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, mica powder and Pulvis Talci are joined in described first mixed solution, and ultrasonic disperse 35 minutes, obtain the second mixed solution；Acrylic acid double cyclopentenyl oxygen ethyl ester is joined in described second mixed solution, and stirs 4 hours with the rotating speed of 900r/min when 80 DEG C, prepare the fire-resistant anticorrosion paint described in the present embodiment。
The fire-resistant anticorrosion paint that embodiment 1 to embodiment 5 provides is coated on surface cleaning, dry sheet metal, then at room temperature places 24 hours the test carrying out correlated performance after solidifying。Wherein, the sheet metal used in this test be smooth, without the mechanical defect such as impression and pit, be of a size of 50 × 120 × 1mm(by GB GB1735-79), and through oil removing, processing of rust removing, it is ensured that this surface of thin steel sheet cleans, dries。
Storage stability, adhesive force (by GB GB1720-89), impact strength (by GB GB/T1732-1993), drying time (by GB GB1728-1979) etc. all test according to concerned countries standard。
Heat-resisting quantity is tested: is put in Muffle furnace by model, is warmed up to 800 degree, takes out after placing 10 hours, is cooled to room temperature, observes specimen surface situation, as without pull-away, be full of cracks situation, paint film heat resistance good (by GB GB1735-89) being described。
Cold-hot alternation performance test: be put in Muffle furnace by model, is warmed up to 800 degree, is incubated 10 hours, takes out, and puts in cold water and soaks 1 hour, is 1 cycle。In 5 cycles repeatedly, observe paint film change。As without pull-away, be full of cracks situation, illustrated that paint film cold-hot alternation is functional。
Corrosion resistance is tested: model is put into salt fog machine, does spray testing with the sodium chloride solution of 5%, and observation model whether bubbling, get rusty (by GB GB/T1771-91)。
By tests above method, embodiment 1 to embodiment 5 result of the test is as shown in the table:
Test result table
Therefore, fire-resistant anticorrosion paint corrosion resistance under normal temperature cure, paint film base material adhesive force, anti-be full of cracks, cold-hot alternation, high temperature that the embodiment of the present invention provides, storage etc. is all had outstanding performance, and is a kind of well fire-resistant anticorrosion paint, produce relatively easy, save the energy。This fire-resistant anticorrosion paint has a extensive future at special dimensions such as petroleum and petrochemical industry, metallurgy, electric power, national defence。
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit；Although the present invention being described in detail with reference to preferred embodiment, those of ordinary skill in the field are it is understood that still can modify to the specific embodiment of the present invention or portion of techniques feature carries out equivalent replacement；Without deviating from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention is claimed。
Claims (4)
1. a fire-resistant anticorrosion paint, it is characterized in that, it includes the raw material of following weight portion: Alumina gel 8～12 parts, aluminium dihydrogen phosphate 15～20 parts, 8～14 parts of glass dust, Pulvis Talci 5～10 parts, mica powder 20～25 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 1～5 part and 20～30 parts of water。
2. fire-resistant anticorrosion paint according to claim 1, it is characterized in that, it includes the raw material of following weight portion: Alumina gel 9～11 parts, aluminium dihydrogen phosphate 16～18 parts, 10～12 parts of glass dust, Pulvis Talci 7～9 parts, mica powder 22～24 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2～3 parts and 23～27 parts of water。
3. described fire-resistant anticorrosion paint according to claim 2, it is characterized in that, it includes the raw material of following weight portion: Alumina gel 10 parts, aluminium dihydrogen phosphate 17 parts, 11 parts of glass dust, Pulvis Talci 8 parts, mica powder 23 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2 parts and 25 parts of water。
4. a preparation method for the fire-resistant anticorrosion paint described in any one of claims 1 to 3, it comprises the following steps:
When 40～80 DEG C, by Alumina gel, aluminium dihydrogen phosphate and water Homogeneous phase mixing, form the first mixed solution；
Glass dust, Pulvis Talci, mica powder are joined in described first mixed solution, and ultrasonic disperse 30～40 minutes, obtain the second mixed solution；
Acrylic acid double cyclopentenyl oxygen ethyl ester is joined in described second mixed solution, and stirs 4～6 hours with the rotating speed of 900～1200r/min when 40～80 DEG C, prepare described fire-resistant anticorrosion paint。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610263496.0A CN105694552A (en) | 2016-04-26 | 2016-04-26 | High-temperature-resistant anti-corrosion paint and preparation method thereof |
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| CN201610263496.0A CN105694552A (en) | 2016-04-26 | 2016-04-26 | High-temperature-resistant anti-corrosion paint and preparation method thereof |
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| CN105694552A true CN105694552A (en) | 2016-06-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107286712A (en) * | 2017-08-01 | 2017-10-24 | 合肥安力电力工程有限公司 | A kind of transformer fire-resistant anticorrosion paint and preparation method thereof |
| CN110653134A (en) * | 2019-08-30 | 2020-01-07 | 华电青岛发电有限公司 | Anti-coking wear-resistant high-temperature sulfur corrosion-resistant nano ceramic coating and spraying method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107286712A (en) * | 2017-08-01 | 2017-10-24 | 合肥安力电力工程有限公司 | A kind of transformer fire-resistant anticorrosion paint and preparation method thereof |
| CN110653134A (en) * | 2019-08-30 | 2020-01-07 | 华电青岛发电有限公司 | Anti-coking wear-resistant high-temperature sulfur corrosion-resistant nano ceramic coating and spraying method |
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