CN108997800A - A kind of preparation method of hydrophobic composite coating - Google Patents
A kind of preparation method of hydrophobic composite coating Download PDFInfo
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- CN108997800A CN108997800A CN201810971173.6A CN201810971173A CN108997800A CN 108997800 A CN108997800 A CN 108997800A CN 201810971173 A CN201810971173 A CN 201810971173A CN 108997800 A CN108997800 A CN 108997800A
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Abstract
The invention discloses a kind of preparation methods of hydrophobic composite coating, the hydrophobic composite for preparing the hydrophobic composite coating can be coated on various metals material, and obtained metal material is suitable for the fields such as petrochemical industry, automobile, ship, engineering machinery, power industry.The water droplet contact angle of the hydrophobic composite coating of hydrophobic composite preparation is larger, has preferable hydrophobicity and anti-corrosion capability.And the preparation method simple process, production cost is low, is suitable for industrialized production.
Description
Technical field
The present invention relates to iron and steel technical fields, and in particular, to a kind of preparation method of hydrophobic composite coating.
Background technique
CN201510552308.1 discloses a kind of hydrophobic anti-corrosion Dyclo paint and preparation method thereof, belongs to anti-corrosion of metal
Technical field.It is by the modified flake zinc in surface and aluminium powder, organic solvent, coalescing agent, dewatering nano colloidal sol and hydrophobic to receive
Rice powder constituent；It is in 100% in total weight, zinc powder accounts for 18~23%, and aluminium powder accounts for 2~4.5%, and dewatering nano colloidal sol accounts for 34~
42%, dewatering nano powder accounts for 0.8~3.5%, and coalescing agent accounts for 0.4~0.9%, and solvent accounts for 33~40%.The present invention passes through
Dewatering nano colloidal sol and nano-powder make Dacromet/steel surface that hydrophobicity be presented, improve anti-corruption performance.Its technical solution be by
Aluminum zinc powder after organic-silicon-modified is distributed in organic solvent, and dewatering nano colloidal sol and coalescing agent is added and prevents to get to hydrophobic
Rotten chromium-free Dyclo paint.But hydrophobicity is also undesirable.
Summary of the invention
In view of the above technical defects, the object of the present invention is to provide a kind of hydrophobic composite, the hydrophobic composite systems
The water droplet contact angle of standby hydrophobic composite coating is larger, has preferable hydrophobicity and anti-corrosion capability.Another object of the present invention
It is to provide a kind of preparation method of hydrophobic composite, the preparation method simple process, production cost is low, is suitable for industrial metaplasia
It produces.Present invention simultaneously provides a kind of application of strong adhesive force coating material on the metal material, which can be coated on more
On kind metal material, obtained metal material is suitable for the neck such as petrochemical industry, automobile, ship, engineering machinery, power industry
Domain.
To achieve the goals above, it the present invention provides a kind of hydrophobic composite, is calculated in mass percent, it is described hydrophobic
Composite material contains: aluminium powder 12%~18%, rare earth modified alloy powder one 5%~9%, rare earth modified alloy powder two
0.6%~1.2%, chromate 2%~6%, molybdate 2%~6%, cyclohexanol 18%~22%, calcium dodecyl benzene sulfonate
2%~5%, phenethyl polyoxyethylene ether 2%~4%, rare earth modified inorganic material powder 4%~8%, surplus are water；Wherein,
Rare earth modified alloy powder one be zinc powder, neodymium powder, yttrium powder and copper powder mixture；Rare earth modified alloy powder two is silicon powder, erbium
The mixture of powder, yttrium powder and aluminium powder.
The present invention also provides a kind of preparation method of hydrophobic composite coating, the preparation method includes: by the gold after cleaning
Belong to material and immerse in hydrophobic composite and takes out after 10~20min, static 1~2 hour, keep the temperature 20 in 70~120 DEG C~
35min, then in 250~350 DEG C of 40~55min of heat preservation of high temperature, the step of obtaining hydrophobic composite coating；Wherein, described hydrophobic
Composite material contains: aluminium powder 12%~18%, rare earth modified alloy powder one 5%~9%, rare earth modified alloy powder two
0.6%~1.2%, chromate 2%~6%, molybdate 2%~6%, cyclohexanol 18%~22%, calcium dodecyl benzene sulfonate
2%~5%, phenethyl polyoxyethylene ether 2%~4%, rare earth modified inorganic material powder 4%~8%, surplus are water；Wherein,
Rare earth modified alloy powder one be zinc powder, neodymium powder, yttrium powder and copper powder mixture；Rare earth modified alloy powder two is silicon powder, erbium
The mixture of powder, yttrium powder and aluminium powder.
Moreover, the present invention also provides a kind of preparation method of previously described hydrophobic composite, the preparation sides
Method includes: to weigh following raw material according to the ratio to be uniformly mixed: being calculated in mass percent, aluminium powder 12%~18%, rare earth modified alloy
Powder one 5%~9%, rare earth modified alloy powder 2 0.6%~1.2%, chromate 2%~6%, molybdate 2%~6%,
Cyclohexanol 18%~22%, calcium dodecyl benzene sulfonate 2%~5%, phenethyl polyoxyethylene ether 2%~4%, rare earth modified nothing
Machine material powder 4%~8%, surplus are water；Wherein, rare earth modified alloy powder one is the mixed of zinc powder, neodymium powder, yttrium powder and copper powder
Close object；Rare earth modified alloy powder two be silicon powder, erbium powder, yttrium powder and aluminium powder mixture.
Through the above technical solutions, the water droplet contact angle of hydrophobic composite coating prepared by hydrophobic composite of the invention compared with
Greatly, there is preferable hydrophobicity and anti-corrosion capability.And the preparation method simple process, production cost is low, is suitable for industrialized production.
Present invention simultaneously provides a kind of application of strong adhesive force coating material on the metal material, which can be coated on a variety of gold
Belong on material, obtained metal material is suitable for the fields such as petrochemical industry, automobile, ship, engineering machinery, power industry.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the organization chart for the composite coating that hydrophobic composite obtains in embodiment 1.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention provides a kind of hydrophobic composites, are calculated in mass percent, and the hydrophobic composite contains: aluminium powder
12%~18%, rare earth modified alloy powder one 5%~9%, rare earth modified alloy powder 2 0.6%~1.2%, chromate
2%~6%, molybdate 2%~6%, cyclohexanol 18%~22%, calcium dodecyl benzene sulfonate 2%~5%, phenethyl polyoxy
Vinethene 2%~4%, rare earth modified inorganic material powder 4%~8%, surplus are water；Wherein, rare earth modified alloy powder one
For zinc powder, neodymium powder, yttrium powder and copper powder mixture；Rare earth modified alloy powder two is the mixing of silicon powder, erbium powder, yttrium powder and aluminium powder
Object.
Through the above technical solutions, the water droplet contact angle of hydrophobic composite coating prepared by hydrophobic composite of the invention compared with
Greatly, there is preferable hydrophobicity and anti-corrosion capability.And the preparation method simple process, production cost is low, is suitable for industrialized production.
Present invention simultaneously provides a kind of application of strong adhesive force coating material on the metal material, which can be coated on a variety of gold
Belong on material, obtained metal material is suitable for the fields such as petrochemical industry, automobile, ship, engineering machinery, power industry.
In the above-mentioned technical solutions, the content of each component can be adjusted in a wider range in rare earth modified alloy powder one
Whole, water droplet contact angle is larger in order to obtain, the hydrophobic composite with preferable hydrophobicity and anti-corrosion capability, in the present invention one
In kind preferred embodiment, the weight percentage of each component in rare earth modified alloy powder one are as follows: zinc powder 36%~39%,
Neodymium powder 0.04%~0.0 8%, yttrium powder 0.03%~0.06%, surplus are copper powder.
In the above-mentioned technical solutions, the content of each component can be adjusted in a wider range in rare earth modified alloy powder two
Whole, water droplet contact angle is larger in order to obtain, the hydrophobic composite with preferable hydrophobicity and anti-corrosion capability, in the present invention one
In kind preferred embodiment, the weight percentage of each ingredient in rare earth modified alloy powder two are as follows: silicon powder 10%~13%,
Erbium powder 0.05%~0.09%, yttrium powder 0.03%~0.06%, surplus are aluminium powder.
In the above-mentioned technical solutions, rare earth modified inorganic material powder can more than be ceramic powder, can also be modified ceramics
Powder, water droplet contact angle is larger in order to obtain, the hydrophobic composite with preferable hydrophobicity and anti-corrosion capability, in the present invention one
In kind preferred embodiment, the weight percentage of each component in rare earth modified inorganic material powder are as follows: rare earth modified inorganic
The weight percentage of each component in material powder are as follows: Al2O323%~28%, CaO 0.3%~0.8%, ZnO 0.3%~
0.5%, BaO 3%~5%, MnO 5%~9%, Yb2O33%~6%, Fe2O30.5%~0.9%, TiO21%~
3%, Er2O30.03%~0.08%, K2O 0.4%~0.9%, B2O30.3~0.5%, surplus SiO2。
In the above-mentioned technical solutions, the partial size of zinc powder can be adjusted in a wider range, in order to obtain water droplet contact angle
It is larger, the hydrophobic composite with preferable hydrophobicity and anti-corrosion capability, in a kind of preferred embodiment of the present invention, aluminium
The average grain diameter of powder is 6~10 microns.
In the above-mentioned technical solutions, the partial size of rare earth modified alloy powder one can be adjusted in a wider range, in order to
Obtain that water droplet contact angle is larger, the hydrophobic composite with preferable hydrophobicity and anti-corrosion capability, it is of the invention it is a kind of preferably
Embodiment in, the average particle size of rare earth modified alloy powder one is 6~10 microns.
In the above-mentioned technical solutions, the partial size of rare earth modified alloy powder two can be adjusted in a wider range, in order to
Obtain that water droplet contact angle is larger, the hydrophobic composite with preferable hydrophobicity and anti-corrosion capability, it is of the invention it is a kind of preferably
Embodiment in, the average particle size of rare earth modified alloy powder two is 10~16 microns.
In the above-mentioned technical solutions, the average particle size of rare earth modified inorganic material powder can be adjusted in a wider range
Whole, water droplet contact angle is larger in order to obtain, the hydrophobic composite with preferable hydrophobicity and anti-corrosion capability, in the present invention one
In kind preferred embodiment, the average particle size of rare earth modified inorganic material powder is 10~16 microns.
The present invention also provides a kind of preparation method of hydrophobic composite coating, the preparation method includes: by the gold after cleaning
Belong to material and immerse in hydrophobic composite and takes out after 10~20min, static 1~2 hour, keep the temperature 20 in 70~120 DEG C~
35min, then in 250~350 DEG C of 40~55min of heat preservation of high temperature, the step of obtaining hydrophobic composite coating；Wherein, described hydrophobic
Composite material contains: aluminium powder 12%~18%, rare earth modified alloy powder one 5%~9%, rare earth modified alloy powder two
0.6%~1.2%, chromate 2%~6%, molybdate 2%~6%, cyclohexanol 18%~22%, calcium dodecyl benzene sulfonate
2%~5%, phenethyl polyoxyethylene ether 2%~4%, rare earth modified inorganic material powder 4%~8%, surplus are water；Wherein,
Rare earth modified alloy powder one be zinc powder, neodymium powder, yttrium powder and copper powder mixture；Rare earth modified alloy powder two is silicon powder, erbium
The mixture of powder, yttrium powder and aluminium powder.
Through the above technical solutions, the water droplet contact angle of hydrophobic composite coating prepared by hydrophobic composite of the invention compared with
Greatly, there is preferable hydrophobicity and anti-corrosion capability.And the preparation method simple process, production cost is low, is suitable for industrialized production.
Present invention simultaneously provides a kind of application of strong adhesive force coating material on the metal material, which can be coated on a variety of gold
Belong on material, obtained metal material is suitable for the fields such as petrochemical industry, automobile, ship, engineering machinery, power industry.
Wherein, it for the clean method of metal material, can select in a wider range, as long as the clean nothing in metal surface can be made
Pollution.In a kind of preferred embodiment of the present invention, in order to provide the cleaning efficiency of metal material, water drop contact is obtained
Angle is larger, the composite coating with preferable hydrophobicity and anti-corrosion capability, in a kind of preferred embodiment of the present invention, metal
The clean method of material includes:
Metal material after taking polishing to derust, is polished, then cleaned with acetone with sand paper, is dried up；Then metal material is set
It is air-cooled after 130~150 DEG C of conditions keep the temperature 20~40min.
In the above-mentioned technical solutions, in more preferred embodiment of the invention a kind of, composite coating with a thickness of 8~
11μm。
Moreover, the present invention also provides a kind of preparation method of previously described hydrophobic composite, the preparation sides
Method includes: to weigh following raw material according to the ratio to be uniformly mixed: being calculated in mass percent, aluminium powder 12%~18%, rare earth modified alloy
Powder one 5%~9%, rare earth modified alloy powder 2 0.6%~1.2%, chromate 2%~6%, molybdate 2%~6%,
Cyclohexanol 18%~22%, calcium dodecyl benzene sulfonate 2%~5%, phenethyl polyoxyethylene ether 2%~4%, rare earth modified nothing
Machine material powder 4%~8%, surplus are water；Wherein, rare earth modified alloy powder one is the mixed of zinc powder, neodymium powder, yttrium powder and copper powder
Close object；Rare earth modified alloy powder two be silicon powder, erbium powder, yttrium powder and aluminium powder mixture.
Through the above technical solutions, the water droplet contact angle of hydrophobic composite coating prepared by hydrophobic composite of the invention compared with
Greatly, there is preferable hydrophobicity and anti-corrosion capability.And the preparation method simple process, production cost is low, is suitable for industrialized production.
Present invention simultaneously provides a kind of application of strong adhesive force coating material on the metal material, which can be coated on a variety of gold
Belong on material, obtained metal material is suitable for the fields such as petrochemical industry, automobile, ship, engineering machinery, power industry.
In the above-mentioned technical solutions, the content of each component can be adjusted in a wider range in rare earth modified alloy powder one
Whole, water droplet contact angle is larger in order to obtain, the hydrophobic composite with preferable hydrophobicity and anti-corrosion capability, in the present invention one
In kind preferred embodiment, the weight percentage of each component in rare earth modified alloy powder one are as follows: zinc powder 36%~39%,
Neodymium powder 0.04%~0.0 8%, yttrium powder 0.03%~0.06%, surplus are copper powder.
In the above-mentioned technical solutions, the content of each component can be adjusted in a wider range in rare earth modified alloy powder two
Whole, water droplet contact angle is larger in order to obtain, the hydrophobic composite with preferable hydrophobicity and anti-corrosion capability, in the present invention one
In kind preferred embodiment, the weight percentage of each ingredient in rare earth modified alloy powder two are as follows: silicon powder 10%~13%,
Erbium powder 0.05%~0.09%, yttrium powder 0.03%~0.06%, surplus are aluminium powder.
In the above-mentioned technical solutions, rare earth modified inorganic material powder can more than be ceramic powder, can also be modified ceramics
Powder, water droplet contact angle is larger in order to obtain, the hydrophobic composite with preferable hydrophobicity and anti-corrosion capability, in the present invention one
In kind preferred embodiment, the weight percentage of each component in rare earth modified inorganic material powder are as follows: Al2O323%~
28%, CaO 0.3%~0.8%, ZnO 0.3%~0.5%, BaO 3%~5%, MnO 5%~9%, Yb2O33%~
6%, Fe2O30.5%~0.9%, TiO21%~3%, Er2O30.03%~0.08%, K2O 0.4%~0.9%, B2O3
0.3~0.5%, surplus SiO2。
In the above-mentioned technical solutions, rare earth modified alloy powder one can obtain through a variety of ways, in order to obtain granularity model
Ideal rare earth modified alloy powder one is enclosed, in a kind of preferred embodiment of the present invention, rare earth modified alloy powder one is logical
It crosses following methods to be prepared: weighing zinc powder, neodymium powder, yttrium powder and copper powder according to quality proportioning, melted in 1230~1270 DEG C
Refining, obtains alloy liquid；Alloy liquid injection is located in the tundish on atomizer, aluminium alloy is leaked by tundish bottom
Eye outflow, meets with high-speed flow when passing through nozzle and is atomized as fine drop, atomized drop in closed atomizing cup quickly
It is frozen into alloy powder.
Wherein, in the more preferred embodiment of one kind of the invention, in order to improve preparation efficiency, it is preferable that atomization gas
Body pressure is 5~8MPa；Alloy flow quantity is 2~4kg/min；It is 1200~1230 DEG C that alloy liquid, which injects temperature,；Atomizing angle
It is 31~33 degree.
In the above-mentioned technical solutions, if according to regulation raw material proportioning, join in conjunction with above-mentioned preparation process and technique
Satisfactory rare earth modified alloy powder one can be obtained in number range.Specific atomization pressure, alloy flow quantity, alloy
Liquid injects the change of the parameters such as temperature, atomizing angle, smelting temperature, only influences preparation efficiency or average grain diameter, nonetheless,
The average particle size of obtained rare earth modified alloy powder one is also in previously described particle size range.
In the above-mentioned technical solutions, rare earth modified alloy powder two can obtain through a variety of ways, in order to obtain granularity model
Ideal rare earth modified alloy powder two is enclosed, in a kind of preferred embodiment of the present invention, rare earth modified alloy powder two-way
It crosses following methods to be prepared: weighing silicon powder, erbium powder, yttrium powder and aluminium powder according to quality proportioning, in 730~780 DEG C of progress meltings,
Obtain alloy liquid；Alloy liquid injection is located in the tundish on atomizer, aluminium alloy leaks eye by tundish bottom
Outflow is met with high-speed flow when passing through nozzle and is atomized as fine drop, atomized drop fast rapid hardening in closed atomizing cup
Gu at alloy powder.
In the more preferred embodiment of one kind of the invention, atomization pressure is 3~5MPa；Alloy flow quantity is 2
~5kg/min；It is 730~780 DEG C that alloy liquid, which injects temperature,；Atomizing angle is 29~31 degree.
In the above-mentioned technical solutions, if according to regulation raw material proportioning, join in conjunction with above-mentioned preparation process and technique
Satisfactory rare earth modified alloy powder one can be obtained in number range.Specific atomization pressure, alloy flow quantity, alloy
Liquid injects the change of the parameters such as temperature, atomizing angle, smelting temperature, only influences preparation efficiency or average grain diameter, nonetheless,
The average particle size of obtained rare earth modified alloy powder one is also in previously described particle size range.
In the above-mentioned technical solutions, rare earth modified inorganic material powder can obtain through a variety of ways, in order to obtain granularity
Preferably rare earth modified inorganic material powder weighs in a kind of preferred embodiment of the present invention according to quality proportioning range
Al2O3、CaO、ZnO、BaO、MnO、Yb2O3、Fe2O3、TiO2、Er2O3、K2O、B2O3And SiO2, by each raw material in sand mill into
Row mixing and breaking up, obtains powder；Then powder is dried at 120~130 DEG C, re-sieving after drying, sieve be 190~
210 mesh are then placed in sintering furnace and are sintered, and are finally crushed into powder sintered product in grinder.
In the more preferred embodiment of one kind of the invention, sintering temperature is 1180~1220 DEG C.
The present invention will be described in detail by way of examples below.
Embodiment 1
A kind of hydrophobic composite, the weight percent of each ingredient in the material are as follows: aluminium powder 12%, rare earth modified alloyed powder
Body one 5%, rare earth modified alloy powder 2 0.6%, chromate 2%, molybdate 2%, cyclohexanol 18%, dodecyl benzene sulfonic acid
Calcium 2%, phenethyl polyoxyethylene ether 2%, rare earth modified inorganic material powder 4%, remaining be water.Rare earth modified alloy powder
One, the weight percentage of ingredient are as follows: Zn 36%, Nd 0.04%, Yb 0.03%, copper surplus.Rare earth modified alloy powder
Two, the weight percentage of ingredient are as follows: Si 10%, E r0.05%, Yb 0.03%, aluminium surplus.Rare earth modified inorganic material
Powder: Al2O323%, CaO 0.3%, ZnO 0.3%, BaO 3%, MnO 5%, Yb2O33%, Fe2O30.5%, TiO2
1%, Er2O30.03%, K2O 0.4%, B2O30.3%, remaining SiO2.
Embodiment 2
A kind of hydrophobic composite, the weight percent of each ingredient in the material are as follows: aluminium powder 14%, rare earth modified alloyed powder
Body one 7%, rare earth modified alloy powder 2 0.9%, chromate 4%, molybdate 4%, cyclohexanol 20%, dodecyl benzene sulfonic acid
Calcium 4%, phenethyl polyoxyethylene ether 3%, rare earth modified inorganic material powder 6%, remaining be water.Rare earth modified alloy powder
One, the weight percentage of ingredient are as follows: Zn 38%, Nd 0.06%, Yb 0.05%, copper surplus.Rare earth modified alloy powder
Two, the weight percentage of ingredient are as follows: Si 11%, Er 0.07%, Yb 0.05%, aluminium surplus.Rare earth modified inorganic material
Powder: Al2O325%, CaO 0.5%, ZnO 0.4%, BaO 4%, MnO 7%, Yb2O35%, Fe2O30.7%, TiO2
2%, Er2O30.06%, K2O 0.7%, B2O30.4%, surplus SiO2.
Embodiment 3
A kind of hydrophobic composite, the weight percent of each ingredient in the material are as follows: aluminium powder 18%, rare earth modified alloyed powder
Body one 9%, rare earth modified alloy powder 2 1.2%, chromate 6%, molybdate 6%, cyclohexanol 22%, dodecyl benzene sulfonic acid
Calcium 5%, phenethyl polyoxyethylene ether 4%, rare earth modified inorganic material powder 8%, remaining be water.Rare earth modified alloy powder
One, the weight percentage of ingredient are as follows: Zn 39%, Nd 0.08%, Yb 0.06%, copper surplus.Rare earth modified alloy powder
Two, the weight percentage of ingredient are as follows: Si 13%, Er 0.09%, Yb 0.06%, aluminium surplus.Rare earth modified inorganic material
Powder: Al2O328%, CaO 0.8%, ZnO 0.5%, BaO 5%, MnO 9%, Yb2O36%, Fe2O30.9%, TiO2
3%, Er2O30.08%, K2O 0.9%, B2O30.5%, remaining SiO2。
Embodiment 4
A kind of hydrophobic composite, the weight percent of each ingredient in the material are as follows: aluminium powder 11%, rare earth modified alloyed powder
Body one 4%, rare earth modified alloy powder 2 0.4%, chromate 16%, molybdate 1%, cyclohexanol 16%, detergent alkylate sulphur
Sour calcium 1%, phenethyl polyoxyethylene ether 1%, rare earth modified inorganic material powder 3%, remaining be water.Rare earth modified alloy powder
One, the weight percentage of ingredient are as follows: Zn 34%, Nd 0.03%, Yb 0.02%, copper surplus.Rare earth modified alloy powder
Two, the weight percentage of ingredient are as follows: Si 7%, Er 0.04%, Yb 0.02%, aluminium surplus.Rare earth modified inorganic material
Powder: Al2O321%, CaO 0.2%, ZnO 0.2%, BaO 2%, MnO 4%, Yb2O32%, Fe2O30.4%, TiO2
0.8%, Er2O30.02%, K2O 0.3%, B2O30.2%, remaining SiO2。
Embodiment 5
A kind of hydrophobic composite, the weight percent of each ingredient in the material are as follows: aluminium powder 20%, rare earth modified alloyed powder
Body one 10%, rare earth modified alloy powder 2 1.3%, chromate 8%, molybdate 7%, cyclohexanol 23%, detergent alkylate sulphur
Sour calcium 6%, phenethyl polyoxyethylene ether 6%, rare earth modified inorganic material powder 9%, remaining be water.Rare earth modified alloy powder
One, the weight percentage of ingredient are as follows: Zn 42%, Nd 0.09%, Yb 0.07%, copper surplus.Rare earth modified alloy powder
Two, the weight percentage of ingredient are as follows: Si 15%, Er 0.11%, Yb 0.07%, aluminium surplus.Rare earth modified inorganic material
Powder: Al2O330%, CaO 0.9%, ZnO 0.7%, BaO 7%, MnO 11%, Yb2O37%, Fe2O31%, TiO2
4%, Er2O30.09%, K2O 1%, B2O30.7%, remaining SiO2。
Comparative example 1
Hydrophobic composite is prepared according to the technical solution recorded in Chinese patent application file CN201510552308.1.
Application examples
Steel plate after taking polishing to derust, is polished, then cleaned with acetone with sand paper, is dried up；Then metal material is placed in 145
It is air-cooled after DEG C condition heat preservation 30min；
Metal material after cleaning is immersed into 15min in the hydrophobic composite in Examples 1 to 5 and comparative example 1 respectively
After take out, static 1~2 hour, in 100 DEG C of heat preservation 28min, then in 300 DEG C of heat preservation 45min of high temperature, obtain with dried film thickness
For 8~11 μm of composite coating.
Water droplet contact angle detection is carried out to composite coating obtained in application Examples 1 to 5 and comparative example 1.
Salt-fog resistant test is carried out to composite coating obtained in application Examples 1 to 5 and comparative example 1: with Chlorine in Solution
The content of sodium is (5 ± 0.1) %, and pH value is 6.5~7.2, temperature (35 ± 2) DEG C.The steel plate for being coated with composite coating is put into
In salt spray test chamber, to generate test period of the red rust as standard.
It the results are shown in Table 1.
Table 1
| Project | Water droplet contact angle be greater than ° | Salt-fog resistant time/h |
| Embodiment 1 | 145 | 1050 |
| Embodiment 2 | 149 | 1150 |
| Embodiment 3 | 147 | 1100 |
| Embodiment 4 | 142 | 950 |
| Embodiment 5 | 143 | 1000 |
| Comparative example 1 | 142.6 | 900 |
Fig. 1 is the tissue for the composite coating that hydrophobic composite obtains in Application Example 1.It can be seen that even tissue causes
It is close.
A kind of coating composite material performance of the present invention is shown in Table 1.Hydrophobic composite of the present invention has good anti-corrosion energy
Power, while with good stability and practicability, can be widely applied to steel field etc..Preparation method of the present invention is simpler,
Production cost is low, is suitable for industrialized production.
There are aluminium powder, rare earth modified alloyed powder, especially rare earth modified alloy powder one, rare earth modified alloy powder in material
Two and rare earth modified inorganic material by rare earth modified, not only make coating that there are more metal protection abilities, protective capability is reinforced, together
When also improve the hydrophobicity of coating.Rare earth modified inorganic material also improves the hydrophobicity of material by rare earth modified.Rare earth
Modified inorganic material has good wearability, therefore ensure that the hardness of coating.Meanwhile rare earth modified inorganic material itself is again
With good corrosion resistance.Inorganic material reduces the brittleness of material by rare earth modified.Detergent alkylate sulphur is added in material
Sour calcium, phenethyl polyoxyethylene ether etc., improve the bond strength of material, therefore also improve the corrosion resistance of coating.It is aluminium powder, dilute
Land reform alloyed powder and rare earth modified inorganic material are uniformly distributed in the solution, improve the density of coating, also extend painting
The salt-fog resistant time of layer.Aluminium powder in coating, rare earth modified brass alloys powder, rare earth modified Al alloy powder and rare earth modified inorganic
Material is overlapped mutually composition coating, makes to corrode route then tortuous extension, improves material corrosion resistance.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of preparation method of hydrophobic composite coating, which is characterized in that the preparation method includes:
Metal material after cleaning is immersed in hydrophobic composite and is taken out after 10~20min, static 1~2 hour, in 70~
120 DEG C of 20~35min of heat preservation, then in 250~350 DEG C of 40~55min of heat preservation of high temperature, the step of obtaining hydrophobic composite coating；
Wherein, the hydrophobic composite contains: aluminium powder 12%~18%, rare earth modified alloy powder one 5%~9%, rare earth
Modified alloy powder 2 0.6%~1.2%, chromate 2%~6%, molybdate 2%~6%, cyclohexanol 18%~22%, ten
Dialkyl benzene sulfonic acids calcium 2%~5%, phenethyl polyoxyethylene ether 2%~4%, rare earth modified inorganic material powder 4%~8%,
Surplus is water；
Wherein, rare earth modified alloy powder one be zinc powder, neodymium powder, yttrium powder and copper powder mixture；Rare earth modified alloy powder two
For silicon powder, erbium powder, yttrium powder and aluminium powder mixture.
2. preparation method according to claim 1, wherein the weight percent of each component contains in rare earth modified alloy powder one
Amount are as follows: zinc powder 36%~39%, neodymium powder 0.04%~0.0 8%, yttrium powder 0.03%~0.06%, surplus are copper powder.
3. preparation method according to claim 1, wherein the weight percent of each ingredient contains in rare earth modified alloy powder two
Amount are as follows: silicon powder 10%~13%, erbium powder 0.05%~0.09%, yttrium powder 0.03%~0.06%, surplus are aluminium powder.
4. preparation method according to claim 1, wherein the weight percent of each component in rare earth modified inorganic material powder
Content are as follows: Al2O323%~28%, CaO 0.3%~0.8%, ZnO 0.3%~0.5%, BaO 3%~5%, MnO 5%
~9%, Yb2O33%~6%, Fe2O30.5%~0.9%, TiO21%~3%, Er2O30.03%~0.08%, K2O
0.4%~0.9%, B2O30.3~0.5%, surplus SiO2。
5. thin preparation method according to any one of claims 1 to 4, wherein the average grain diameter of aluminium powder is 6~10 microns.
6. preparation method according to any one of claims 1 to 4, wherein the average particle size of rare earth modified alloy powder one
It is 6~10 microns.
7. preparation method according to any one of claims 1 to 4, wherein the average particle size of rare earth modified alloy powder two
It is 10~16 microns.
8. preparation method according to any one of claims 1 to 4, wherein the average grain of rare earth modified inorganic material powder
Degree is 10~16 microns.
9. preparation method according to claim 1, wherein the clean method of metal material includes:
Metal material after taking polishing to derust, is polished, then cleaned with acetone with sand paper, is dried up；Then metal material is placed in 130
It is air-cooled after~150 DEG C of 20~40min of conditions heat preservation.
10. preparation method according to claim 1, wherein composite coating with a thickness of 8~11 μm.
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| CN1428379A (en) * | 2002-12-19 | 2003-07-09 | 殷跃军 | Production method of coating material |
| WO2007118692A1 (en) * | 2006-04-13 | 2007-10-25 | Humboldt-Universität Zu Berlin | Method for producing metal fluoride sols and gels |
| JP2009099491A (en) * | 2007-10-19 | 2009-05-07 | Sharp Corp | Fuel cell system and electronic equipment |
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