CN108441860B - A kind of anticorrosion coating material and its application method of room temperature self-curing - Google Patents
A kind of anticorrosion coating material and its application method of room temperature self-curing Download PDFInfo
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- CN108441860B CN108441860B CN201810693651.1A CN201810693651A CN108441860B CN 108441860 B CN108441860 B CN 108441860B CN 201810693651 A CN201810693651 A CN 201810693651A CN 108441860 B CN108441860 B CN 108441860B
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- 239000011248 coating agent Substances 0.000 title claims abstract description 59
- 238000000576 coating method Methods 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 18
- 229910052751 metal Inorganic materials 0.000 claims abstract description 154
- 239000002184 metal Substances 0.000 claims abstract description 150
- 239000000843 powder Substances 0.000 claims abstract description 66
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 54
- 239000000956 alloy Substances 0.000 claims abstract description 54
- 239000000203 mixture Substances 0.000 claims abstract description 43
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 150000002739 metals Chemical class 0.000 claims abstract description 20
- 239000000376 reactant Substances 0.000 claims abstract description 20
- 238000005260 corrosion Methods 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 235000011837 pasties Nutrition 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 39
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 abstract description 19
- 229910052733 gallium Inorganic materials 0.000 abstract description 19
- 239000007788 liquid Substances 0.000 abstract description 14
- 229910052759 nickel Inorganic materials 0.000 abstract description 9
- 238000002161 passivation Methods 0.000 abstract description 9
- 229910052738 indium Inorganic materials 0.000 abstract description 7
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 abstract description 7
- 230000007935 neutral effect Effects 0.000 abstract description 5
- 238000002955 isolation Methods 0.000 abstract description 3
- 239000006210 lotion Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000000498 ball milling Methods 0.000 description 13
- 238000004898 kneading Methods 0.000 description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 229910000846 In alloy Inorganic materials 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- 239000010931 gold Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 229910006139 NiGa4 Inorganic materials 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000003870 refractory metal Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229910001128 Sn alloy Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- YZZNJYQZJKSEER-UHFFFAOYSA-N gallium tin Chemical compound [Ga].[Sn] YZZNJYQZJKSEER-UHFFFAOYSA-N 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910020994 Sn-Zn Inorganic materials 0.000 description 1
- 229910009069 Sn—Zn Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- -1 gallium-indium alloy Chemical compound 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/106—Coating with metal alloys or metal elements only
-
- B22F1/0003—
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Powder Metallurgy (AREA)
Abstract
A kind of anticorrosion coating material is metal mixture, is at room temperature in thick；It is formed include: fusing point 30 degrees Celsius of low-melting-point metals below, fusing point 1000 degrees Celsius or more metal powder, fusing point is in 30 degrees Celsius or more of the low-melting-point metal and the alloy reactant of the metal powder；Wherein, mass fraction 35%-45% of the metallic element in the metal powder in the metal mixture.Anticorrosion coating material in the present invention is all made of metal, can be in liquid condition or lotion state under room temperature state, have good wellability to metal surface, can be coated on metal surface and self-curing occurs at room temperature.Its anti-corrosion cardinal principle is coating passivation, alloy reaction isolation corrosive deposit and environment neutral buffered.Coating contains a large amount of Nickel Powders, and surface passivation can occur and overlapping arrangement forms passivation shell, while coat inside nickel occurs alloy with gallium indium and reacts to form stable compound, completely cuts off corrosive deposit.
Description
Technical field
The invention belongs to coat the anticorrosion coating material of raw material technical field more particularly to a kind of room temperature self-curing and its make
Use method.
Background technique
Corrosion-inhibiting coating refers to that coating is allowed to be isolated with surrounding medium on the metal surface, with a kind of covering of control corrosion rate
Layer.Anticorrosive paint anticorrosion mechanism is to form one layer of curtain coating in metal surface, prevent water and oxygen or other corrosive deposits with
Metal surface contact.But have a large number of studies show that, coating always has certain a gas permeability and seepage of water, coating is permeable and oxygen or other
The speed of corrosive deposit is often higher than the speed of bare metallic surface corrosion consumption water and oxygen or other corrosive deposits, and coating can not
Complete shielding action can be reached.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of anticorrosion coating material of room temperature self-curing, it is existing to solve
The problem of breathing freely and seep water with the presence of technology floating coat.
In some illustrative embodiments, the anticorrosion coating material is metal mixture, is at room temperature in thick；
It includes: fusing point in 30 degrees Celsius of low-melting-point metals below, metal powder, fusing point of the fusing point at 1000 degrees Celsius or more that it, which is formed,
In the alloy reactant of 30 degrees Celsius or more of the low-melting-point metals and the metal powder；Wherein, in the metal powder
Mass fraction 35%-45% of the metallic element in the metal mixture.
In some optionally embodiments, the fusing point 30 degrees Celsius of low-melting-point metals below include following one or
Any combination: gallium simple substance and gallium-base alloy；The fusing point selects Nickel Powder in 1000 degrees Celsius or more of metal powder.
In some optionally embodiments, the alloy reactant is using the fusing point in 30 degrees Celsius of low melting points below
Metal and the fusing point generate in milling atmosphere or vertical kneading environment in 1000 degrees Celsius or more of metal powder.
Include following ball milling parameter in the milling atmosphere in some optionally embodiments: rotational speed of ball-mill is 500-600
Rev/min；Ball-milling Time is 120-180 minutes.
It include following vertical kneading parameter: vertical kneading in some optionally embodiments, in the vertical kneading environment
Revolving speed is 48-72 revs/min；Vertical kneading environment temperature is 150-300 degrees Celsius；Vertical kneading time is 120-300 minutes.
In some optionally embodiments, the powder size of the metal powder is 1 μm -50 μm.
In some optionally embodiments, the fusing point of selection is gallium-indium alloy in 30 degrees Celsius of low-melting-point metals below；
Wherein, the gallium for 75%-85%, the indium of 15%-25% are matched；The fusing point of selection is in 1000 degrees Celsius or more of metal powder
Nickel powder；Wherein, mass fraction of the nickel powder in its mixture with gallium-indium alloy is 40%-45%；The alloy generated is anti-
Answering object includes following one or any combination: Ni2Ga3、NiGa5、Ni3Ga7And InNi3。
It is another object of the present invention to a kind of application methods for the anticorrosion coating material for proposing room temperature self-curing.
In some illustrative embodiments, the application method of the anticorrosion coating material of the room temperature self-curing, comprising: determine
Anti-corrosion coating area；The anticorrosion coating material of room temperature self-curing as described in any one of the above embodiments is applied to the anti-corrosion coating area；
Solidify to completion in 6-12 hours at room temperature.
In some optionally embodiments, by way of ultrasound, heating or logical DC current, accelerate self-curing.
In some optionally embodiments, the anticorrosion coating material by room temperature self-curing as described in any one of the above embodiments
It is applied to before the anti-corrosion coating area, further includes: restore to room temperature to glue from refrigeration solid state by the anticorrosion coating material
Thick state.
Compared with prior art, the present invention has the advantage that
Anticorrosion coating material in the present invention is all made of metal, can be in liquid condition or lotion under room temperature state
State has good wellability to metal surface, can be coated on metal surface and self-curing occurs at room temperature.Its anti-corrosion master
Wanting principle is coating passivation, alloy reaction isolation corrosive deposit and environment neutral buffered.Coating contains a large amount of Nickel Powders, can send out
Raw surface passivation and overlapping arrangement form passivation shell, while coat inside nickel occurs alloy with gallium indium and reacts to form stable chemical combination
Object completely cuts off corrosive deposit；In addition, being amphoteric metal, in acidic environment due to containing more gallium in anticorrosion coating material
PH value with can adjust environment in alkaline environment by chemical reaction, is allowed to return neutral.Such anticorrosion coating material is applied
Work convenience, simple process, have for a wide range of applications, the advantage good, not easily to fall off to metal wellability.
Detailed description of the invention
Fig. 1 is the process for using figure of the anticorrosion coating material in the embodiment of the present invention.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, these embodiments of the invention can individually or generally be indicated that this is only with term " invention "
For convenience, and if in fact disclosing the invention more than one, the range for being not meant to automatically limit the application is to appoint
What single invention or inventive concept.
Various embodiments of the present invention can be understood faster for the ease of those skilled in the art, at this to of the invention main
Thought is briefly described:
As what is illustrated in background technique, lacking one kind in the prior art can be converted by liquid at room temperature
Solid metal material.Based on this, present invention discover that using be in a liquid state at room temperature low-melting-point metal (also known as liquid metal or
Fusible metal) carry out incomplete local alloy with refractory metal powder and react, generate fusing point be higher than room temperature alloy it is anti-
Object is answered, the metal mixture of low-melting-point metal, refractory metal and alloy reactant is formed it into while having, due to closing
Not exclusively, the low-melting-point metal in metal mixture obtained is still presented liquid condition for gold reaction, and then the metal of liquid and solid
Thick metal mixture can be obtained in the metal powder mixing of state, while also having the alloy reaction of the two in the metal mixed
Object, the alloy reactant will be used as nucleation point, and lure that the low-melting-point metal not reacted and refractory metal are not applying it into
Alloy reaction is voluntarily carried out under its external condition, until reaching complete reaction.Low-melting-point metal in metal mixture at this time
Content lowers, and the content of alloy reactant increases, and external imagery is converted to solid gold by viscous liquid for metal mixture
Belong to.
In conclusion the invention discloses a kind of preparation method of the metal mixture of room temperature self-curing, the preparation method
For by fusing point 30 degrees Celsius of low-melting-point metals and fusing point below 500 degrees Celsius or more metal powder under certain condition
Uniformly mixing a period of time.Wherein, the certain condition meets the low-melting-point metal for making the part in mixing and partial
Alloy reaction occurs for the metal powder, generates alloy reactant of the fusing point at 30 degrees Celsius or more；After to be mixed, obtain
Simultaneously have the low-melting-point metal, metal powder and the two alloy reactant, in thick metal mixture.
In some embodiments, the certain condition includes: the mixing to the low-melting-point metal and the metal powder
Object provides the high energy for making it that alloy reaction locally occur；High energy in the embodiment of the present invention, which refers to, promotes selected low melting point gold
Belong to the energy for reaching the condition that the two alloy reacts with refractory metal powder, which can be thermal energy (i.e. high temperature), can also
With the combination of thermal energy and mechanical energy (as squeezed, collision, deforming, energy caused by movement).
Specifically, the present invention provides following several mixture offers to the low-melting-point metal and the metal powder and makes
The mode of its high energy that alloy reaction locally occurs:
1. traditional heating；
Such as temperature is heated to the fusing point of metal powder, make its fusing, low-melting-point metal is in metal powder at this time
Liquid, mutual metal infiltration phenomenon is obvious between the two, and the two is easier to that alloy reaction, but environment temperature pole at this time occurs at this time
Height, alloy reaction speed is fast, need to control high-temperature time in the two complete reaction time hereinafter, to guarantee that part only occurs for the two
Alloy reaction, to avoid leading to metal mixture premature cure due to reacting completely.The more difficult manipulation of this method reaction time.
2. high-voltage electric shock；
By the metal mixture (low-melting-point metal and metal powder) to two kinds of metals after evenly mixing, continue electricity
It hits, the temperature at electric shock sharply increases, and reaches the alloy reaction temperature condition of the two, and then generate alloy reactant, but the party
Method equipment requirement is high, needs additional safety guarantee equipment, preparation cost is larger.
3. ball-milling treatment；
Ball-milling treatment is carried out to the metal mixture of the low-melting-point metal and the metal powder, in the ball of certain revolving speed
Can produce high energy, including thermal energy and mechanical energy in mill processing, transient temperature maximum can reach 1600 degrees Celsius or more,
The alloy reaction condition of various metals can be met, and its Energy distribution is uneven in ball-milling treatment, is more suitable for occurring incomplete
Alloy reaction, prepares the metal mixture of the room temperature self-curing in the embodiment of the present invention.
Preferably, the metal mixture of the room temperature self-curing in the embodiment of the present invention is prepared using ball-milling treatment, at ball milling
Reason can the ball milling method such as planetary ball mill, stirring ball-milling, wherein during the ball-milling treatment: rotational speed of ball-mill is 600-
2000 revs/min；Ball-milling Time is 10-300 minutes.
Fusing point in the embodiment of the present invention can claim normal temperature liquid metal in 30 degrees Celsius of low-melting-point metals below, packet
Include: gallium simple substance meets fusing point in the mixture of 30 degrees Celsius of gallium-base alloy and gallium simple substance and gallium-base alloy below.Wherein,
Gallium-base alloy refers to that main component in the alloy is the metal alloy of gallium, such as gallium-indium alloy, gallium tin alloy, again or gallium indium base
Alloy, gallium kamash alloy etc., mainly using gallium indium/gallium tin as main component in the alloy.More specifically, gallium indium tin also can be selected
Alloy.
Fusing point in the embodiment of the present invention may include zinc powder, copper powder, iron powder, nickel in 500 degrees Celsius or more of metal powder
The combination of one or more of powder.Preferably, in order to form higher melting-point alloy reactant, after improving metal mixture solidification
Temperature tolerance, it may include copper powder, iron powder, nickel that fusing point can be selected in the embodiment of the present invention in 1000 degrees Celsius or more of metal powder
The combination of one or more of powder.In some other embodiments, fusing point in the embodiment of the present invention 1000 degrees Celsius with
On metal powder can also select fusing point at 1000 degrees Celsius or more include one of copper powder, copper powder, iron powder, nickel powder or
Several metal alloys or metal mixture.Preferably, metal of the fusing point in the embodiment of the present invention at 1000 degrees Celsius or more
Powder selects pure (avoiding impurity as far as possible) copper powder, iron powder, nickel powder.
In some embodiments, the powder of the metal powder is having a size of 0.1 μm -75 μm.Preferably, the choosing of powder size
Selecting can be selected according to the practical application scene of metal mixture, powder size it is smaller then made of metal mixture it is sticky
Degree is lower, and the viscosity of the more big then manufactured metal mixture of powder size is higher.Some for having three-dimensional plasticity requirements
Application in, can be selected powder size at 30 μm -75 μm, so that metal mixture is had preferable plasticity.Some for more
In the application that high fluid behaviour requires, it can be selected 0.1 μm -30 μm, metal mixture made to have preferable coating and flowing
Property.
In some embodiments, before generating the alloy reaction, the metal powder is in itself and the low-melting-point metal
Mixture in mass fraction be 8%-50%.Preferably, the ratio between metal powder and low-melting-point metal can be according to tool
Body selection pairing, such as gallium simple substance and iron powder carry out hybrid reaction, generate FeGa3, therefore the ratio of gallium simple substance and iron powder can be such as
3:1.In some embodiments, the ratio of metal powder and low-melting-point metal can also be not in strict accordance with the ratio in reactant chemical formula
Example mixing, also can reach effect of the invention.
For how selecting to match between low-melting-point metal and metal powder, several assembled schemes are provided herein:
1. fusing point selects gallium simple substance, metal of the fusing point at 500 degrees Celsius or more in 30 degrees Celsius of low-melting-point metals below
Powder selects iron powder, and alloy reactant is FeGa3。
2. fusing point selects gallium-indium alloy, gold of the fusing point at 500 degrees Celsius or more in 30 degrees Celsius of low-melting-point metals below
Belong to powder and select nickel powder, alloy reactant is Ni2Ga3、NiGa4、NiGa5、Ni3Ga7And InNi3One of or it is a variety of.
3. fusing point selects gallium-indium alloy, gold of the fusing point at 500 degrees Celsius or more in 30 degrees Celsius of low-melting-point metals below
Belong to powder and select nickel powder and iron powder, alloy reactant is FeGa3、Ni2Ga3、NiGa4、NiGa5、Ni3Ga7And InNi3In one
Kind is a variety of.
4. fusing point selects gallium-indium-tin alloy in 30 degrees Celsius of low-melting-point metals below, fusing point is at 500 degrees Celsius or more
Metal powder selects nickel powder, iron powder and zinc powder, and alloy reactant is FeGa3、Ni2Ga3、NiGa4、NiGa5、Ni3Ga7、InNi3、
One of Sn-Zn or a variety of.
5. fusing point selects gallium-indium alloy, gold of the fusing point at 500 degrees Celsius or more in 30 degrees Celsius of low-melting-point metals below
Belong to powder and select iron powder and copper powder, alloy reactant is FeGa3With one of Cu-In or a variety of.
Here, art technology should manage the present invention provides the assembled scheme of a variety of low-melting-point metals and metal powder
Solution in addition to the assembled scheme that the example above illustrates, other assembled schemes also can be used, details are not described herein.
It is another object of the present invention to the metal mixtures for proposing a kind of room temperature self-curing, to propose one kind at room temperature
The metal material of solid can be voluntarily changed into from liquid, which can be made using above-mentioned preparation method, also can be used existing
There are other preparation methods in technology to realize its preparation.
A kind of metal mixture of room temperature self-curing, its entirety is in thick at room temperature；Its composition includes: fusing point 30
Degree Celsius below low-melting-point metal, fusing point 500 degrees Celsius or more metal powder, fusing point is described in 30 degrees Celsius or more
The alloy reactant of low-melting-point metal and the metal powder.2-24 hours are converted into admittedly by thick at room temperature for it
Body.
Metal mixture prepared by the present invention voluntarily can be converted into solid from liquid at room temperature, and solid state is steady
It is fixed to exist, this characteristic make metal mixture with demand for, be applied to various conductive, thermally conductive and other metallic character need
The field asked, operatively for, the use state of fluid can be applied to coating, perfusion, filling, printing, printing etc. neck
Domain, operational suitability are strong.In addition, metal mixture prepared by the present invention can voluntarily solidify at room temperature, set without additional
Standby, equipment requirement is low, and operation requires low, highly-safe.
The metal mixture of room temperature self-curing in the embodiment of the present invention can be applied due to its characteristic of fluid, metallic character
In conductive field, shielding field, thermally conductive field, and fire-retardant neck can be applied to according to the selection of mixed metallic particles (such as nickel)
Domain and corrosion-resistant field, and according to the viscosity of metal mixture, it is applied to plastotype field, coating coating field, printing printing
Field.Specifically, it can be kept more suitable according to low-melting-point metal therein and the selection of metal powder and the mode of content is adjusted
In each application direction.
Based on above-mentioned preparation method and metal mixture, it is mixed for metal that the present invention has herein proposed a kind of anticorrosion coating material
Object is closed, is at room temperature in thick；It includes: fusing point in 30 degrees Celsius of low-melting-point metals below, fusing point 1000 that it, which is formed,
Degree Celsius or more metal powder, fusing point 30 degrees Celsius or more the low-melting-point metal and the metal powder alloy it is anti-
Answer object；Wherein, mass fraction 35%-45% of the metallic element in the metal powder in the metal mixture.
Anticorrosion coating material in the present invention is all made of metal, can be in liquid condition or lotion under room temperature state
State has good wellability to metal surface, can be coated on metal surface and self-curing occurs at room temperature.Its anti-corrosion master
Wanting principle is coating passivation, alloy reaction isolation corrosive deposit and environment neutral buffered.Coating contains a large amount of Nickel Powders, can send out
Raw surface passivation and overlapping arrangement form passivation shell, while coat inside nickel occurs alloy with gallium indium and reacts to form stable chemical combination
Object completely cuts off corrosive deposit；In addition, being amphoteric metal, in acidic environment due to containing more gallium in anticorrosion coating material
PH value with can adjust environment in alkaline environment by chemical reaction, is allowed to return neutral.Such anticorrosion coating material is applied
Work convenience, simple process, have for a wide range of applications, the advantage good, not easily to fall off to metal wellability.
In some embodiments, the fusing point includes following one or any group in 30 degrees Celsius of low-melting-point metals below
It closes: gallium simple substance and gallium-base alloy；The fusing point selects Nickel Powder in 1000 degrees Celsius or more of metal powder.
In some embodiments, the alloy reactant using the fusing point in 30 degrees Celsius of low-melting-point metals below and
The fusing point generates in milling atmosphere or vertical kneading environment in 1000 degrees Celsius or more of metal powder.Wherein, the ball
Include following ball milling parameter in bull ring border: rotational speed of ball-mill is 500-600 revs/min；Ball-milling Time is 120-180 minutes.Wherein,
Include following vertical kneading parameter in the vertical kneading environment: vertical kneading revolving speed is 48-72 revs/min；Vertical kneading ring
Border temperature is 150-300 degrees Celsius；Vertical kneading time is 120-300 minutes.
In some optionally embodiments, the powder size of the metal powder is 1 μm -50 μm.Preferably, metal powder
For 1 μm of -3 μ m-thick, the flake powder of 20 μm of -50 μm of average diameters.
In some optionally embodiments, the fusing point of selection is gallium-indium alloy in 30 degrees Celsius of low-melting-point metals below；
Wherein, the gallium for 75%-85%, the indium of 15%-25% are matched；The fusing point of selection is in 1000 degrees Celsius or more of metal powder
Nickel powder；Wherein, mass fraction of the nickel powder in its mixture with gallium-indium alloy is 40%-45%；The alloy generated is anti-
Answering object includes following one or any combination: Ni2Ga3、NiGa4、NiGa5、Ni3Ga7And InNi3。
It is another object of the present invention to a kind of application method for the anticorrosion coating material for proposing room temperature self-curing, packets
It includes:
Step S11, anti-corrosion coating area is determined；
Step S12, the anticorrosion coating material of room temperature self-curing as described in any one of the above embodiments the anti-corrosion is applied to apply
Cover area；
Step S13, solidify to completion in 6-12 hours at room temperature.
Wherein, self-curing can be accelerated by way of ultrasound, heating or logical DC current.
In some optionally embodiments, the anticorrosion coating material by room temperature self-curing as described in any one of the above embodiments
It is applied to before the anti-corrosion coating area, further includes: restore to room temperature to glue from refrigeration solid state by the anticorrosion coating material
Thick state.
In some embodiments, being stored in for the anticorrosion coating material of the room temperature self-curing in the embodiment of the present invention -20 is taken the photograph
In the low temperature environment of -0 degree Celsius of family name's degree, phenomenon is cured during non-use to avoid anticorrosion coating material.Therefore, make
When with the anticorrosion coating material taken out from low temperature environment, it is necessary first to which the anticorrosion coating material is extensive from refrigeration solid state
Again to room temperature viscous pasty state.
Its whole phenomenon shows as being converted into liquid by solid, is then converted to solid.Wherein, first time phase transition phenomena be by
Restore in temperature to room temperature, the low-melting-point metal in metal mixture is gradually converted into liquid, and it is in viscous for making metal mixture integrally
Thick liquid, second of phase transition phenomena are the solidification phenomenons by being illustrated in the embodiment of the present invention.
It should also be appreciated by one skilled in the art that various illustrative logical boxs, mould in conjunction with the embodiments herein description
Electronic hardware, computer software or combinations thereof may be implemented into block, circuit and algorithm steps.In order to clearly demonstrate hardware and
Interchangeability between software surrounds its function to various illustrative components, frame, module, circuit and step above and carries out
It is generally described.Hardware is implemented as this function and is also implemented as software, depends on specific application and to entire
The design constraint that system is applied.Those skilled in the art can be directed to each specific application, be realized in a manner of flexible
Described function, still, this realization decision should not be construed as a departure from the scope of protection of this disclosure.
Claims (4)
1. a kind of anticorrosion coating material of room temperature self-curing, which is characterized in that the anticorrosion coating material is metal mixture,
At room temperature in thick；
Its by fusing point 30 degrees Celsius of low-melting-point metals below, fusing point 1000 degrees Celsius or more metal powder, fusing point exists
30 degrees Celsius or more of the low-melting-point metal and the alloy reactant composition of the metal powder；At room temperature, the anti-corrosion
The alloy reactant in coating material lures that the low-melting-point metal and the metal powder voluntarily carry out alloy reaction into, makes
The anticorrosion coating material is converted to solid-state by thick, realizes solidification；
Wherein, mass fraction 35%-45% of the metallic element in the metal powder in the metal mixture；
The metal powder is copper powder.
2. a kind of application method of the anticorrosion coating material of room temperature self-curing characterized by comprising
Determine anti-corrosion coating area；
The anticorrosion coating material of room temperature self-curing as described in claim 1 is applied to the anti-corrosion coating area；
Solidify to completion in 6-12 hours at room temperature.
3. application method according to claim 2, which is characterized in that by way of ultrasound, heating or logical DC current,
Accelerate self-curing.
4. application method according to claim 3, which is characterized in that described that room temperature as described in claim 1 is certainly solid
The anticorrosion coating material of change is applied to before the anti-corrosion coating area, further includes:
The anticorrosion coating material is restored from refrigeration solid state to room temperature viscous pasty state.
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| CN1598056A (en) * | 2003-09-19 | 2005-03-23 | 迪尔公司 | Method for applying wear and corrosion resistant coating to cast iron |
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