CN108149238A - A kind of heat-insulated protective coating of metal material and preparation method thereof - Google Patents
A kind of heat-insulated protective coating of metal material and preparation method thereof Download PDFInfo
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- CN108149238A CN108149238A CN201711445233.2A CN201711445233A CN108149238A CN 108149238 A CN108149238 A CN 108149238A CN 201711445233 A CN201711445233 A CN 201711445233A CN 108149238 A CN108149238 A CN 108149238A
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- metal material
- thermal insulation
- heat
- spraying
- protective coating
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2503/00—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Coating By Spraying Or Casting (AREA)
- Laminated Bodies (AREA)
Abstract
Heat-insulated protective coating the present invention relates to a kind of metal material and preparation method thereof forms protective coating by way of spraying on metal material surface, and the heat-insulated protective coating by forming as follows：Adhesive layer is sprayed on metal material surface；Thermal insulation layer, it is sprayed in tie layer surface；Thermal insulation layer, it is sprayed on thermal insulation layerOn surface；Corrosion-resistant coating is sprayed on metal material surface.Preparation method includes the following steps：S1 metal material surfaces pre-process；It is prepared by S2 adhesive layers；S3 thermal insulation layersIt prepares；S4 thermal insulation layers
Description
Technical field
The present invention relates to metal protection coating technology fields, and in particular to a kind of heat-insulated protective coating of metal material and its
Preparation method.
Background technology
Heat-barrier material, particularly for subsea use heat-barrier material required feature and/or characteristic include：Higher than 175 DEG C
Thermal stability；Higher than the hydrolytic resistance at 175 DEG C；Elongation at break is more than 5% flexibility at 25 DEG C；With glass microsphere
The compatibility of body；Fast curing times；Lower thermal conductivity；High impact；It is pourable (to have in the case of low Capital expenditure cost
There is high yield)；For carrying out the rigidity of firm pipe processing in the case of no outer protection；It can process in air；It can be with
It is applied in thick section and without multiple stratification；It can be applied on complex geometry；Quick fully curing under production conditions；
It can be processed in the presence of trace amounts of moisture (water).In addition, need to have in the industry it is all these needed for features and/or characteristic every
Hot material, particularly for subsea use heat-barrier material (for example, to the heat-insulated of pipe and pipeline and other underwater equipments and structure,
Such as it is used for the coating of field joint).Thermal stability as used herein means that material maintains its structure when being subjected to high temperature
Integrality.
Since general processing simplification to a certain extent and general good mechanical property, polyurethane have been used to make
Submarine pipeline and insulating equipment.It may be by the shadow of hydrolytic degradation when being exposed in hot-wet environment however, polyurethane is heat-insulated
It rings.At sea in oil field, especially in oil temperature oil field higher at well head, there are polyether polyols reticular structure water
The possibility of degradation is solved, especially there is described, general at a high temperature of water can enter the derivatized polymers
Negatively affect the heat-insulating capability of polyether polyols.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of metal material heat-insulated protective coating and its
It is unstable to solve the problems, such as that material is tied at high temperature for preparation method.
The purpose of the present invention is achieved through the following technical solutions：
A kind of heat-insulated protective coating of metal material forms protection painting by way of spraying on metal material surface
Layer, the heat-insulated protective coating by forming as follows：
Adhesive layer is sprayed on metal material surface；
Thermal insulation layer I, is sprayed in tie layer surface；
Thermal insulation layer II is sprayed on thermal insulation layer I surfaces；
Corrosion-resistant coating is sprayed on metal material surface.
Protective coating is sprayed on the surface of metal material, there is heat-insulated, waterproof, etch-proof performance；Wherein protection applies
Layer is divided into adhesive layer, thermal insulation layer I, thermal insulation layer II and corrosion-resistant coating, and thermal insulation layer is double thermal insulation, and good heat-insulation effect is hardly damaged；
Corrosion-resistant coating also can effective protection thermal insulation layer be not destroyed.
Further, the metal material is aluminum metal, copper metal or aluminum copper alloy material.
Further, the adhesive layer is silica flour.
Further, silica flour purity >=99.99%, powder size are 5-38 μm.
Silica flour is also SILICA FUME, be industrial furnace during high melt industrial silicon and ferrosilicon, with exhaust gas effusion
Flue dust is handled through special capturing device collection.Silica flour is process of the industrial furnace in high melt industrial silicon and ferrosilicon
In, the flue dust escaped with exhaust gas is handled through special capturing device collection.In the flue dust of effusion, SiO2 contents account for about cigarette
The 90% of dirt total amount, granularity is very small, and average particle size is almost Nano grade, therefore referred to as silica flour.The effect of SILICA FUME is main
Effect has following aspects：1. in mortar and concrete：High-rise, sea port dock, reservoir dam, water conservancy culverts and water gates, iron
Road public affairs bridge, subway, tunnel, airfield runway, concrete topping and the reinforcing of coal mine roadway shotcrete etc..2. in material industry：It is high-grade high
Performance low-cement refractory pouring material and prefabricated component, service life are three times of common castable, and refractoriness improves about 100 DEG C, height
Warm intensity and thermal shock resistance are all obviously improved；It has been widely used in：Coke oven, ironmaking, steel-making, steel rolling, non-ferrous metal, glass,
The industries such as ceramics and power generation；Large-scale iron runner and ladle material, smear material for repairing etc. at air brick；Self-flow pattern refractory casting material and dry
Wet spraying construction application；Oxide combined silicon carbide product (furnace kiln furnitures, flame shield etc.)；High temperature modification calcium silicates lightweight every
Hot material；The corundum-mullite push plate of electroceramics kiln.High-temperature and wear-proof and product；Corundum and ceramic；Sai Long combination products；
It generally in addition to use, is also widely applied in electric smelting and slug type refractory material except in casting type refractory material.It is 3. novel
Materials for wall, finishing material：1 wall thermal insulating polymer mortar, thermal insulation mortar, interfacial agents.4. cement-based polymers waterproof material
Material.5. lightweight aggregate heat preservation energy-saving concrete and product.6. inner-outer wall powder of lacquer putty for use on processing for building.7. other purposes：1. silicate brick is former
Material.2. produce waterglass.3. it is used as the supporting material of organic compound.Because its composition is close with the white carbon that vapor phase method produces.
It can be used in the high molecular materials such as rubber, resin, coating, paint, polyurethane and be used as filler reinforcement material.4. chemical fertilizer row
It is used as anticaking agent in industry.
Further, the adhesive layer is metal powder layer.
Further, the thermal insulation layer I is inorganic fibre mat；The thermal insulation layer II is ceramic powder last layer.
Further, the inorganic fibre mat is asbestos fibre or ceramic fibre；The ceramic powders are magnesium zirconium titanium ceramics
Powder.
Adhesive layer is silica flour, and silica flour is close by spraying the tie layer surface being prepared, and binding force is big, adapts to more
Complex environment is not easy by damage.
Thermal insulation layer is double thermal insulation, and heat insulation is more preferable, and wherein inorganic fibre mat first sprays, and asbestos are selected in inorfil
Fiber and ceramic fibre, the two good heat-insulation effect is at low cost, easily processed into type；It is sprayed again as ceramic powders, ceramic powders
The surface of formation is smooth, has aesthetic feeling, is hyaline layer in the corrosion-resistant coating of outer layer so that material is exquisite in appearance.
Further, the corrosion-resistant coating is layer of polyurethane.Corrosion-resistant coating is polyurethane, at low cost, anticorrosion waterproof effect
Fruit is good, and corrosion-resistant coating is hyaline layer, and hyaline layer is combined with ceramic powder last layer so that material is exquisite in appearance.
Polyurethane resin is as a kind of high molecular material with the characteristics such as high intensity, tear-proof, wear-resisting, in daily life
The fields extensive use such as work, industrial and agricultural production, medicine.Polyurethane elastomer is used as roller, conveyer belt, hose, auto parts, footwear
Bottom, synthetic leather, electric wire and medical artificial organ etc.；Flexible foam is used for the liner of vehicle, room, clothes, hard
Foams are used as heat-insulated, sound-absorbing, packaging, insulation and low ratio foamed synthetic wood, and coating is used for advanced vehicle, furniture, wood and gold
Belong to protection, pond dam and building anti-seepage material and fabric coating etc..Adhesive is to metal, glass, ceramics, leather, fibre
Dimension etc. has good adhesion strength.In addition polyurethane may also be fabricated which lotion, magnetic material etc..
A kind of preparation method of the heat-insulated protective coating of metal material, includes the following steps：
S1 metal material surfaces pre-process：Metal material is cleaned into metal material surface with ethyl acetate, by metal material
Surface roughness be machined to 0.002-0.004mm, obtain pretreating surface；
It is prepared by S2 adhesive layers：Using thermal spraying apparatus, spraying makes adhesive layer on pretreating surface in S1 steps；
It is prepared by S3 thermal insulation layers I：Using thermal spraying apparatus, spraying makes thermal insulation layer I on adhesive layer in S1 steps；
It is prepared by S4 thermal insulation layers II：Using thermal spraying apparatus, spraying makes thermal insulation layer II on thermal insulation layer I in S1 steps；
It is prepared by S5 corrosion-resistant coatings：Using spraying equipment, spraying makes corrosion-resistant coating on thermal insulation layer II in S1 steps.
The preparation process of protective coating is simple, and the tables of equipment one used, the requirement to process equipment is low, saves industry chemical conversion
This；It when being pre-processed to metal surface, is first cleaned using ethyl acetate, ethyl acetate is to the solubility of organic matter
Height, polarity is big, and than acetone safety, solvent contamination is small；Carry out surface roughness processing, conducive to subsequent spraying, coating and metal
The conjugation bigger of ontology.
Further, spraying parameter in the S2 steps：Powder sending quantity is 5-6g/min, spray distance 1000-
1200mm, coating thickness are 20-40 μm, are sprayed 5-7 times；
Spraying parameter in the S3 steps：Powder sending quantity is 8-10g/min, spray distance 1000-1200mm, is sprayed
Thickness is 30-50 μm, is sprayed 5-7 times；
Spraying parameter in the S4 steps：Powder sending quantity is 5-6g/min, spray distance 1000-1200mm, is sprayed
Thickness is 30-50 μm, is sprayed 5-7 times；
Spraying parameter in the S5 steps：Powder sending quantity is 5-6g/min, spray distance 1000-1200mm, is sprayed
Thickness is 20-40 μm, is sprayed 5-7 times.
The beneficial effects of the invention are as follows：
1. spraying protective coating on the surface of metal material, there is heat-insulated, waterproof, etch-proof performance；Wherein protect
Coating is divided into adhesive layer, thermal insulation layer I, thermal insulation layer II and corrosion-resistant coating, and thermal insulation layer is double thermal insulation, good heat-insulation effect, not rapid wear
It is bad；Corrosion-resistant coating also can effective protection thermal insulation layer be not destroyed；
2. adhesive layer is silica flour, silica flour is close by spraying the tie layer surface that is prepared, and binding force is big, adapt to compared with
For complex environment, it is not easy by damage；
3. thermal insulation layer is double thermal insulation, heat insulation is more preferable, and wherein inorganic fibre mat first sprays, and stone is selected in inorfil
Cotton fiber and ceramic fibre, the two good heat-insulation effect is at low cost, easily processed into type；It is sprayed again as ceramic powders, ceramic powder
The surface that end is formed is smooth, has aesthetic feeling；
4. corrosion-resistant coating is polyurethane, at low cost, anticorrosion good water-proof effect, corrosion-resistant coating is hyaline layer, hyaline layer with
Ceramic powder last layer combines so that material is exquisite in appearance；
5. the preparation process of protective coating is simple, the tables of equipment one used, the requirement to process equipment is low, saves industrialization
Cost；It when being pre-processed to metal surface, is first cleaned using ethyl acetate, ethyl acetate is to the solubility of organic matter
Height, polarity is big, and than acetone safety, solvent contamination is small；Carry out surface roughness processing, conducive to subsequent spraying, coating and metal
The conjugation bigger of ontology.
Specific embodiment
Technical scheme of the present invention is described in further detail, but protection scope of the present invention is not with reference to specific embodiment
It is confined to as described below.
A kind of heat-insulated protective coating of metal material forms protection painting by way of spraying on metal material surface
Layer, the heat-insulated protective coating by forming as follows：
Adhesive layer is sprayed on metal material surface；
Thermal insulation layer I, is sprayed in tie layer surface；
Thermal insulation layer II is sprayed on thermal insulation layer I surfaces；
Corrosion-resistant coating is sprayed on metal material surface.
Specifically, the metal material is aluminum metal, copper metal or aluminum copper alloy material.
Specifically, the adhesive layer is silica flour.
Specifically, silica flour purity >=99.99%, powder size are 5-38 μm.
Specifically, the thermal insulation layer I is inorganic fibre mat；The thermal insulation layer II is ceramic powder last layer.
Specifically, the inorganic fibre mat is asbestos fibre or ceramic fibre；The ceramic powders are magnesium zirconium titanium ceramic powder
End.
Specifically, the corrosion-resistant coating is layer of polyurethane.
The concrete composition of embodiment 1- embodiments 6 is as shown in table 1, and wherein 4 present invention of embodiment 1- embodiments limits
Technical parameter does not design corrosion-resistant coating in embodiment 5, thermal insulation layer and corrosion-resistant coating, wherein embodiment 5- is not designed in embodiment 6
Embodiment 6 is control experiment.
Table 1
The preparation method of the heat-insulated protective coating of 4 metal material of above-described embodiment 1- embodiments, includes the following steps：
S1 metal material surfaces pre-process：Metal material is cleaned into metal material surface with ethyl acetate, by metal material
Surface roughness be machined to 0.002-0.004mm, obtain pretreating surface；
It is prepared by S2 adhesive layers：Using thermal spraying apparatus, spraying makes adhesive layer on pretreating surface in S1 steps；
It is prepared by S3 thermal insulation layers I：Using thermal spraying apparatus, spraying makes thermal insulation layer I on adhesive layer in S1 steps；
It is prepared by S4 thermal insulation layers II：Using thermal spraying apparatus, spraying makes thermal insulation layer II on thermal insulation layer I in S1 steps；
It is prepared by S5 corrosion-resistant coatings：Using spraying equipment, spraying makes corrosion-resistant coating on thermal insulation layer II in S1 steps.
Specifically, spraying parameter in the S2 steps：Powder sending quantity is 5-6g/min, spray distance 1000-
1200mm, coating thickness are 20-40 μm, are sprayed 5-7 times；
Spraying parameter in the S3 steps：Powder sending quantity is 8-10g/min, spray distance 1000-1200mm, is sprayed
Thickness is 30-50 μm, is sprayed 5-7 times；
Spraying parameter in the S4 steps：Powder sending quantity is 5-6g/min, spray distance 1000-1200mm, is sprayed
Thickness is 30-50 μm, is sprayed 5-7 times；
Spraying parameter in the S5 steps：Powder sending quantity is 5-6g/min, spray distance 1000-1200mm, is sprayed
Thickness is 20-40 μm, is sprayed 5-7 times.
The preparation method of the heat-insulated protective coating of 5 metal material of above-described embodiment, includes the following steps：
S1 metal material surfaces pre-process：Metal material is cleaned into metal material surface with ethyl acetate, by metal material
Surface roughness be machined to 0.002-0.004mm, obtain pretreating surface；
It is prepared by S2 adhesive layers：Using thermal spraying apparatus, spraying makes adhesive layer on pretreating surface in S1 steps；
It is prepared by S3 thermal insulation layers I：Using thermal spraying apparatus, spraying makes thermal insulation layer I on adhesive layer in S1 steps；
It is prepared by S4 thermal insulation layers II：Using thermal spraying apparatus, spraying makes thermal insulation layer II on thermal insulation layer I in S1 steps.
Specifically, spraying parameter in the S2 steps：Powder sending quantity is 5-6g/min, spray distance 1000-
1200mm, coating thickness are 20-40 μm, are sprayed 5-7 times；
Spraying parameter in the S3 steps：Powder sending quantity is 8-10g/min, spray distance 1000-1200mm, is sprayed
Thickness is 30-50 μm, is sprayed 5-7 times；
Spraying parameter in the S4 steps：Powder sending quantity is 5-6g/min, spray distance 1000-1200mm, is sprayed
Thickness is 30-50 μm, is sprayed 5-7 times.
The preparation method of the heat-insulated protective coating of 6 metal material of above-described embodiment, includes the following steps：
S1 metal material surfaces pre-process：Metal material is cleaned into metal material surface with ethyl acetate, by metal material
Surface roughness be machined to 0.002-0.004mm, obtain pretreating surface；
It is prepared by S2 adhesive layers：Using thermal spraying apparatus, spraying makes adhesive layer on pretreating surface in S1 steps.
Specifically, spraying parameter in the S2 steps：Powder sending quantity is 5-6g/min, spray distance 1000-
1200mm, coating thickness are 20-40 μm, are sprayed 5-7 times.
The performance parameter of the metal material protection coating of embodiment 1- embodiments 6 is as shown in table 2, and wherein embodiment 1- is implemented
Example 4 is the technical parameter of the invention limited, does not design corrosion-resistant coating in embodiment 5, thermal insulation layer and anti-corrosion are not designed in embodiment 6
Layer is lost, wherein embodiment 5- embodiments 6 are control experiment.
Table 2
The above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form is not to be taken as the exclusion to other embodiment, and available for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention
It is interior.
Claims (9)
1. a kind of heat-insulated protective coating of metal material, forms protective coating by way of spraying on metal material surface,
It is characterized in that, the heat-insulated protective coating by forming as follows：
Adhesive layer is sprayed on metal material surface；
Thermal insulation layer, it is sprayed in tie layer surface；
Thermal insulation layer, it is sprayed on thermal insulation layerOn surface；
Corrosion-resistant coating is sprayed on metal material surface.
2. the heat-insulated protective coating of a kind of metal material according to claim 1, which is characterized in that the metal material is
Aluminum metal, copper metal or aluminum copper alloy material.
3. the heat-insulated protective coating of a kind of metal material according to claim 1, which is characterized in that the adhesive layer is silicon
Powder.
4. a kind of heat-insulated protective coating of metal material according to claim 3, which is characterized in that the silica flour purity >=
99.99%, powder size is 5-38 μm.
A kind of 5. heat-insulated protective coating of metal material according to claim 1, which is characterized in that the thermal insulation layerFor
Inorganic fibre mat；The thermal insulation layerFor ceramic powder last layer.
A kind of 6. heat-insulated protective coating of metal material according to claim 5, which is characterized in that the inorganic fibre mat
For asbestos fibre or ceramic fibre；The ceramic powders are magnesium zirconium titanium ceramic powders, and powder size is 5-38 μm.
7. the heat-insulated protective coating of a kind of metal material according to claim 1, which is characterized in that the corrosion-resistant coating is
Layer of polyurethane.
8. a kind of preparation method of the heat-insulated protective coating of metal material of claim 1-7 any one of them, which is characterized in that
Include the following steps：
S1 metal material surfaces pre-process：Metal material is cleaned into metal material surface with ethyl acetate, by the table of metal material
Surface roughness is machined to 0.002-0.004 mm, obtains pretreating surface；
It is prepared by S2 adhesive layers：Using thermal spraying apparatus, spraying makes adhesive layer on pretreating surface in S1 steps；
S3 thermal insulation layersIt prepares：Using thermal spraying apparatus, spraying makes thermal insulation layer on adhesive layer in S1 steps；
S4 thermal insulation layersIt prepares：Using thermal spraying apparatus in S1 steps thermal insulation layerUpper spraying makes thermal insulation layer；
It is prepared by S5 corrosion-resistant coatings：Using spraying equipment in S1 steps thermal insulation layerUpper spraying makes corrosion-resistant coating.
9. the preparation method of the heat-insulated protective coating of a kind of metal material according to claim 8, which is characterized in that described
Spraying parameter in S2 steps：Powder sending quantity is 5-6g/min, and spray distance 1000-1200mm, coating thickness is 20-40 μ
M is sprayed 5-7 times；
Spraying parameter in the S3 steps：Powder sending quantity is 8-10g/min, spray distance 1000-1200mm, coating thickness
It is 30-50 μm, sprays 5-7 times；
Spraying parameter in the S4 steps：Powder sending quantity be 5-6g/min, spray distance 1000-1200mm, coating thickness
It is 30-50 μm, sprays 5-7 times；
Spraying parameter in the S5 steps：Powder sending quantity be 5-6g/min, spray distance 1000-1200mm, coating thickness
It is 20-40 μm, sprays 5-7 times.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110452561A (en) * | 2019-07-03 | 2019-11-15 | 潍坊安保来鞋业有限公司 | A kind of high temperature resistant shoes coating and preparation method |
| CN114247893A (en) * | 2022-02-24 | 2022-03-29 | 西南医科大学附属医院 | Method for manufacturing metal powder and application thereof |
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Cited By (4)
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|---|---|---|---|---|
| CN110452561A (en) * | 2019-07-03 | 2019-11-15 | 潍坊安保来鞋业有限公司 | A kind of high temperature resistant shoes coating and preparation method |
| CN110452561B (en) * | 2019-07-03 | 2021-08-03 | 潍坊安保来鞋业有限公司 | High-temperature-resistant coating for shoes and preparation method thereof |
| CN114247893A (en) * | 2022-02-24 | 2022-03-29 | 西南医科大学附属医院 | Method for manufacturing metal powder and application thereof |
| CN114247893B (en) * | 2022-02-24 | 2022-05-17 | 西南医科大学附属医院 | Application of metal powder in field of medical materials |
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Application publication date: 20180612 |