CN110283487A - A kind of the fluorescence compact metal corrosion-inhibiting coating and its coating method of ultraviolet light excitation - Google Patents
A kind of the fluorescence compact metal corrosion-inhibiting coating and its coating method of ultraviolet light excitation Download PDFInfo
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- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
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- 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
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- 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
- B05D7/24—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 for applying particular liquids or other fluent materials
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/22—Luminous paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7701—Chalogenides
- C09K11/7703—Chalogenides with alkaline earth metals
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7715—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing cerium
- C09K11/7721—Aluminates
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
- C09K11/7734—Aluminates
Abstract
The invention discloses a kind of fluorescence compact metal corrosion-inhibiting coatings of ultraviolet light excitation, are coated on metal surface, raw material includes following components: 55-58 parts of silicate mineral；10-15 parts of luminous agent matrix precursor；6-8 parts of binder；2-3 parts of luminescent activator；2-3 parts of dispersing agent；2-3 parts of basic catalyst.The invention also discloses the coating methods of the fluorescence compact metal corrosion-inhibiting coating of above-mentioned ultraviolet light excitation, comprising the following steps: 1) mixing；2) low temperature hydrolysis；3) dry；4) it grinds for the first time；5) spike mixes；6) dry；7) it grinds for second；8) it coats；9) it is sintered；10) room temperature cooling to obtain the final product.Coating of the invention has corrosion resistance high, and fluorescent lifetime is long, the stable advantage of fluorescent effect.
Description
Technical field
The invention belongs to anti-corrosion of metal fields, more particularly, to a kind of fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation
And its coating method.
Background technique
Metal with the media contact in ambient enviroment is concurrently biochemical reacts, this is that the most common electrochemical metal corrosion is existing
As.Since metal surface is contacted with the medium (such as humid air, electrolyte solution) of surrounding, metal can occur on contact interface
Anodic dissolution processes, while there is also corresponding cathodic process, constitute spontaneous corrosion cell, make metal anode dissolution continue into
Row, so as to cause corrosion of metal.According to investigations, economic loss caused by annual global metal erosion accounts for about 4% left side of GDP total amount
The summation considerably beyond floods, fire, disaster caused by a windstorm and earthquake loss is lost on the right side year of metal erosion.Corrosion not only causes economic damage
It loses, also often constitutes a threat to safety, many catastrophic corrosion accidents all once occurred both at home and abroad.Especially, it is worthwhile to note that in ocean
Under environment, corrosion of metal is particularly acute.Since the marine facility of the metal structures such as ship, drilling platforms operates in ocean throughout the year
In environment, the erosion of various corrosive mediums will receive, so that different degrees of corrosion occur.
In order to guarantee the safety at night, highway, airfield runway, be frequently necessary to around heavy construction to set up can luminous sign,
Mark on highway commonly uses reflectorized material, this needs to input light source and reflect light；And electrical source luminescent material is often used in heavy construction
The maintenance cost of material, energy consumption and light-emitting component is higher.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of cause that fluorescence can be persistently generated under ultraviolet light excitation
Close anti-corrosive metal coating and its coating method can absorb energy, night by the excitation of ultraviolet light on daytime for public sign
Between continuously send out light, as signal identification；For the lighting engineering of heavy construction, the beautifying and decorating that can play night is made
With, and can be used for a long time, without power supply.
The technical solution adopted by the present invention to solve the technical problems is: a kind of fluorescence compact metal of ultraviolet light excitation is anti-
Rotten coating is coated on metal surface, and raw material includes following components: 55-58 parts of silicate mineral；Luminous agent matrix precursor 10-
15 parts；6-8 parts of binder；2-3 parts of luminescent activator；2-3 parts of dispersing agent；2-3 parts of basic catalyst.
Further, the silicate mineral be one of mica, quartz, albite, sandstone, silica, opal or
It is a variety of.Silicon oxide compound surface tightly adsorbs the silica gel after being catalyzed, and forms three dimensional network after reaction and sintering
Shape structure substantially increases coating consistency and corrosion resistance.
Further, the silicate mineral is superfines, and powder diameter is 1500-2000 mesh, preferably 1800-2000
Mesh.This grain fineness is sufficiently mixed uniformly fully reacting convenient for subsequent.
Further, the luminous agent matrix precursor is selected from aluminium hydroxide, sodium hydroxide, calcium hydroxide, strontium hydroxide
In any one or more.Hydrolysis occurs for luminous agent matrix precursor and luminescent activator, and can be in dispersing agent
Synergistic effect is lower to occur complicated physical change and chemical change, to form the inorganic ceramic coating with fluorescence property.Hair
Photo etching matrix precursor is sufficiently reacted with luminescent activator, and the cation in luminescent activator replaces luminous agent after becoming free state
The position of cation in matrix precursor.Luminous agent matrix after reaction can be swashed with luminescent activator under conditions of illumination
Hair, energy are transmitted to the centre of luminescence from matrix.Simultaneously as the process that matrix returns to ground state after excitation state, transmitting energy is
One duration process enables the coating to continue luminous.
Further, the bonding agent is selected from nickel monoxide, nickel sesquioxide, cobalt black, cobalt sesquioxide, tetraboric acid
Any one or more of sodium.Cobalt element, nickel element can be formed with the oxygen in basal body coating layer and be connected chemically, and promote the cause of coating
Density, while can also be chemically reacted with base metal surface oxidation film, cobalt-oxygen key, nickel-oxygen key are formed, coating and base are made
Body metal forms even closer bonding.
For binder under the action of basic catalyst, hydrolysis generates the hydrogel containing Gui Yang functional group, in coating
Hydrogel is wrapped in silicon oxide compound particle and luminous agent host crystal particle before being sintered, and Gui Yang functional group therein is coating base
The nucleation material of body is closely connect with the silicon oxygen bond in silicon oxide compound during the sintering process, and closed three dimensional network is collectively formed
Shape structure, so as to reduce the sintering temperature of coating, so that sintering temperature is at 550-570 DEG C or so, tridimensional network energy
It enough wraps, what is made it stable is present among coated substrate.Meanwhile the metal ions such as manganese in the luminous agent host crystal
It a small amount of can be diffused among basal body coating layer at 550-570 DEG C, be able to ascend the toughness of matrix ceramics.Due to luminous agent
Host crystal is uniformly present among mixing, when sintering, silica gel, and silicon oxide compound and the various metals wherein penetrated into
Element there are uniform and fine and close so that sintered coating performance uniformity.
Further, the luminescent activator is selected from europiumsesquioxide, lithia, erbium oxide, manganese sesquioxide managnic oxide, three
Aoxidize any one or more in two ceriums.The different cations of different exciting agents can inspire the light of different colours, and such as three
It aoxidizes the positive trivalent europium ion in two europiums and inspires feux rouges, the positive Manganic ion in two manganese of titanium dioxide inspires green light, three oxygen
The europium ion for changing the positive divalent in two europiums inspires blue light.
Further, the dispersing agent is selected from one of barium carbonate, magnesium carbonate, sodium tripolyphosphate, sodium pyrophosphate or more
Kind.The dispersing agent plays the role of surfactant, can allow luminescent activator it is more uniform enter luminous agent base
In matter presoma.
Further, the basic catalyst is selected from one or more of ammonium hydroxide, sodium hydroxide, potassium hydroxide.Alkalinity
Catalyst ammonia water, sodium hydroxide can promote polycondensation reaction, and the silicone-hydrogel to be formed can be made closely to be adsorbed on
The surface of silicon oxide compound promotes the consistency and corrosion resistance of coating.
It is including as follows the invention also discloses a kind of coating method of the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation
Step:
1) mixing: 10-15 parts of luminous agent matrix precursor, 2-3 parts of luminescent activator, 2-3 parts of dispersing agent are filled
Divide and is mixed to get mixture A；
2) low temperature hydrolysis: being added to the water in mixture A, and the weight ratio of mixture A and water is 1:70-110, and stirring is equal
It is even, reaction is hydrolyzed, hydrolysising reacting temperature is 0-10 DEG C, and hydrolysis time is 24-30 hours, obtains mixed material B；
3) dry: mixed material B being completely dried to obtain raw material C at a temperature of 75-85 DEG C；
4) it grinds for the first time: raw material C is ground into the powder of 180-220 mesh；
5) spike: being added 55-58 parts of silicate mineral, 6-8 parts of binders, 2-3 parts of basic catalyst in powder,
It is mixed with water according to the ratio of 1:5-7, obtains mixing D；
6) dry: mixing D being completely dried at a temperature of 75-85 DEG C, obtains raw material E；
7) it grinds for second: raw material E is ground into 180-220 mesh powder coating, it is spare；
8) coat: the method that powdery paints obtained in step 7) is electrostatically sprayed is coated on parent metal；
9) it is sintered: the parent metal for being coated with coating obtained in step 8) is warming up to 6-8 DEG C/min of speed
It 550-570 DEG C, is sintered 15-20 minutes；
10) room temperature cooling to get.
Preferably, using electrostatic coating method in the step 9), wherein electrostatic potential is 35-40 kilovolts, and electric current is
20-23 microamperes, gas output is 6-10 liters/min, and spray distance is 30-50 centimetres, and spray time is 50-70 seconds.
Preferably, described matrix metal is iron plate, steel plate, reinforcing bar, all kinds of fashioned iron, copper sheet, aluminium sheet.
Heretofore described fluorescence property is generated by luminous agent matrix precursor and luminescent activator reaction.It is described
Luminous agent matrix precursor do not have optical activity, but have translucency.The luminescent activator has optical activity.Hair
After photo etching matrix precursor and luminescent activator mixing, the cation of luminescent activator enters in the lattice of luminous agent matrix, and
The position for replacing original cation, the effect as the centre of luminescence.The lattice of luminous agent matrix fastens the centre of luminescence, and can incite somebody to action
The spectroscope properties of absorption are to the centre of luminescence.Luminous process i.e. activator returns to the process of ground state from excitation state.
Present invention adds silicate mineral, luminous agent matrix precursor, binder, luminescent activator, dispersing agents, alkalinity
Catalyst, so that coating of the invention is a kind of inorganic ceramic coating with fluorescence property.Because of luminous agent host crystal
Grain largely is present in coating, so that coating has an ability of the lower generation fluorescence of ultraviolet light excitation, coating of the invention can be
After receiving sunshine, the fluorescence of lasting generation different colours.
Present invention could apply to highway, airfield runway, pipeline, offshore oil production platform, the multiple fields such as salt-soda soil capital construction.
Detailed description of the invention
Fig. 1 is the local electron microscopic picture of the embodiment of the present invention 1 (scale is 200 μm).
Specific embodiment
In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention
Attached drawing carries out clear, complete description to the technical solution in inventive embodiments, it is clear that described embodiment is only this
A part of the embodiment of invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, should fall within the scope of the present invention.
Embodiment one
A kind of fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation, for being coated in metal surface to reach corrosion-resistant mesh
, raw material includes following components: 55 grams of mica, 10 grams of aluminium hydroxide, 2 grams of europiumsesquioxide, 1 gram of lithia, sodium pyrophosphate 3
Gram, 3 grams of nickel monoxide, 3 grams of cobalt black, 2 grams of ammonium hydroxide.
A kind of coating method of the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation, includes the following steps:
1) mixing: 10 grams of raw aluminum hydroxide, 2 grams of europiumsesquioxide, 1 gram of lithia, 3 grams of sodium pyrophosphate are sufficiently mixed
Obtain mixture A；
2) low temperature hydrolysis: 1500 grams of water are added in mixture A, stirs evenly, reaction, hydrolysising reacting temperature is hydrolyzed
It is 5 DEG C, hydrolysis time is 24 hours, obtains mixed material B；
3) dry: mixed material B being completely dried to obtain raw material C at a temperature of 85 DEG C；
4) it grinds for the first time: obtained raw material C grinding is become into 220 powder materials；
5) spike: being added 55 grams of mica, 3 grams of nickel monoxide, 3 grams of cobalt black, 2 grams of ammonium hydroxide in powder, is added 500 grams
Water is uniformly mixed, and obtains mixing D；
6) dry: mixing D being dried at a temperature of 85 DEG C to absolutely not moisture and obtains raw material E；
7) it grinds for second: raw material E is ground into 220 mesh powder coating, it is spare；
8) coat: the method that coating obtained in step 7) is electrostatically sprayed is coated on parent metal, wherein electrostatic
Voltage is 35 kilovolts, and electric current is 22 microamperes, and gas output is 8 Liter Per Minutes, and spray distance is 45 centimetres, and spray time is 60 seconds；
9) it is sintered: thering is the parent metal of coating to be warming up to 7.5 DEG C/min of speed sintering obtained in step 8)
It 550 DEG C, is sintered 15 minutes；
10) room temperature cooling obtains the fluorescence compact metal corrosion-inhibiting coating for capableing of ultraviolet light excitation of low-temperature sintering formation, together
When also obtain be capable of ultraviolet light excitation fluorescence compact metal corrosion-inhibiting coating metal product.
Embodiment two
A kind of fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation, for being coated in metal surface to reach corrosion-resistant mesh
, raw material includes following components: 25 grams of albite, 20 grams of sandstone, and 10 grams of silica, 5 grams of sodium hydroxide, 5 grams of calcium hydroxide, hydrogen-oxygen
5 grams of strontium of change, 1 gram of nickel monoxide, 2 grams of nickel sesquioxide, 2 grams of cobalt black, 1 gram of cobalt sesquioxide, 2 grams of manganese sesquioxide managnic oxide, three
Aoxidize 1 gram of two erbium, 1 gram of barium carbonate, 1 gram of sodium pyrophosphate, 0.5 gram of sodium hydroxide, 1 gram of ammonium hydroxide, 0.5 gram of potassium hydroxide.
A kind of coating method of the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation, includes the following steps:
1) mixing: by 5 grams of raw material sodium hydroxide, 5 grams of calcium hydroxide, 5 grams of strontium hydroxide, 2 grams of manganese sesquioxide managnic oxide, three are aoxidized
Two 1 gram of erbiums, 1 gram of barium carbonate, 1 gram of sodium pyrophosphate is sufficiently mixed to obtain mixture A；
2) low temperature hydrolysis: 1500 grams of water are added in mixture A, stirs evenly, reaction, hydrolysising reacting temperature is hydrolyzed
It is 5 DEG C, hydrolysis time is 26 hours, obtains mixed material B；
3) dry: mixed material B being completely dried to obtain raw material C at a temperature of 80 DEG C；
4) it grinds for the first time: obtained raw material C grinding is become into 200 powder materials；
5) spike: 25 grams of albite are added in powder, 20 grams of sandstone, 10 grams of silica, 1 gram of nickel monoxide, three aoxidize two
2 grams of nickel, 2 grams of cobalt black, 1 gram of cobalt sesquioxide, 0.5 gram of sodium hydroxide, 1 gram of ammonium hydroxide, 0.5 gram of potassium hydroxide are added 500 grams
Water is uniformly mixed, and obtains mixing D；
6) dry: mixing D being dried at a temperature of 80 DEG C to absolutely not moisture and obtains raw material E；
7) it grinds for second: raw material E is ground into 200 mesh powder coating, it is spare；
8) coat: the method that coating obtained in step 7) is electrostatically sprayed is coated on parent metal, wherein electrostatic
Voltage is 36 kilovolts, and electric current is 23 microamperes, and gas output is 9 Liter Per Minutes, and spray distance is 50 centimetres, and spray time is 60 seconds；
9) it is sintered: thering is the parent metal of coating to be warming up to 560 with 7 DEG C/min of speed sintering obtained in step 8)
DEG C, it is sintered 20 minutes；
10) room temperature cooling obtains the fluorescence compact metal corrosion-inhibiting coating for capableing of ultraviolet light excitation of low-temperature sintering formation, together
When also obtain be capable of ultraviolet light excitation fluorescence compact metal corrosion-inhibiting coating metal product.
Embodiment three
A kind of fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation, for being coated in metal surface to reach corrosion-resistant mesh
, raw material includes following components: 20 grams of quartz, and 15 grams of silica, 20 grams of opal, 10 grams of aluminium hydroxide, 5 grams of calcium hydroxide, three
Aoxidize 3 grams of two nickel, 2 grams of cobalt black, 2 grams of sodium tetraborate, 3 grams of cerium sesquioxide, 1 gram of magnesium carbonate, 1 gram of sodium pyrophosphate, hydrogen-oxygen
Change 1 gram of potassium, 1.5 grams of ammonium hydroxide.
A kind of coating method of the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation, includes the following steps:
1) mixing: by 10 grams of raw aluminum hydroxide, 5 grams of calcium hydroxide, 3 grams of cerium sesquioxide, 1 gram of magnesium carbonate, pyrophosphoric acid
1 gram of sodium is sufficiently mixed to obtain mixture A；
2) low temperature hydrolysis: 1500 grams of water are added in mixture A, stirs evenly, reaction, hydrolysising reacting temperature is hydrolyzed
It is 5 DEG C, hydrolysis time is 28 hours, obtains mixed material B；
3) dry: mixed material B being completely dried to obtain raw material C at a temperature of 80 DEG C；
4) it grinds for the first time: obtained raw material C grinding is become into 200 powder materials；
5) quartzy 20 grams, 15 grams of silica, 20 grams of opal, 3 grams of nickel sesquioxide, an oxidation spike: are added in powder
2 grams of cobalt, 2 grams of sodium tetraborate, 1 gram of potassium hydroxide, 1.5 grams of ammonium hydroxide are added 500 grams of water and are uniformly mixed, obtains mixing D；
6) dry: mixing D being dried at a temperature of 80 DEG C to absolutely not moisture and obtains raw material E；
7) it grinds for second: raw material E is ground into 200 mesh powder coating, it is spare；
8) coat: the method that coating obtained in step 7) is electrostatically sprayed is coated on parent metal, wherein electrostatic
Voltage is 35 kilovolts, and electric current is 22 microamperes, and gas output is 8 Liter Per Minutes, and spray distance is 40 centimetres, and spray time is 60 seconds；
9) it is sintered: thering is the parent metal of coating to be warming up to 570 with 8 DEG C/min of speed sintering obtained in step 8)
DEG C, it is sintered 17 minutes；
10) room temperature cooling obtains the fluorescence compact metal corrosion-inhibiting coating for capableing of ultraviolet light excitation of low-temperature sintering formation, together
When also obtain be capable of ultraviolet light excitation fluorescence compact metal corrosion-inhibiting coating metal product.
Comparative example one
Raw material includes following components: 25 grams of mica, 20 grams of sandstone, and 30 grams of sodium hydroxide, 2 grams of cobalt black, three oxidations two
5 grams of europium, 5 grams of manganese sesquioxide managnic oxide, 1 gram of barium carbonate, 0.5 gram of potassium hydroxide.
The coating method of comparative example one, includes the following steps:
1) mixing: 30 grams of raw material sodium hydroxide, 5 grams of europiumsesquioxide, 5 grams of manganese sesquioxide managnic oxide, 1 gram of barium carbonate be sufficiently mixed
Obtain mixture A；
2) low temperature hydrolysis: 1500 grams of water are added in mixture A, stirs evenly, reaction, hydrolysising reacting temperature is hydrolyzed
It is 15 DEG C, hydrolysis time is 28 hours, obtains mixed material B；
3) dry: mixed material B being completely dried to obtain raw material C at a temperature of 80 DEG C；
4) it grinds for the first time: obtained raw material C grinding is become into 200 powder materials；
5) spike: being added 25 grams of mica, 20 grams of sandstone, 2 grams of cobalt black, 0.5 gram of potassium hydroxide in powder, is added
500 grams of water are uniformly mixed, and obtain mixing D；
6) dry: mixing D being dried at a temperature of 80 DEG C to absolutely not moisture and obtains raw material E；
7) it grinds for second: raw material E is ground into 200 mesh powder coating, it is spare；
8) coat: the method that coating obtained in step 7) is electrostatically sprayed is coated on parent metal, wherein electrostatic
Voltage is 30 kilovolts, and electric current is 23 microamperes, and gas output is 5 Liter Per Minutes, and spray distance is 30 centimetres, and spray time is 60 seconds；
9) it is sintered: thering is the parent metal of coating to be warming up to 520 with 8 DEG C/min of speed sintering obtained in step 8)
DEG C, it is sintered 15 minutes；
10) room temperature cooling is to get the coating for arriving comparative example one.
Comparative example two
Raw material includes following components: 20 grams of albite, 20 grams of sandstone, and 10 grams of silica, 10 grams of sodium hydroxide, calcium hydroxide 10
Gram, 1 gram of nickel monoxide, 1 gram of cobalt sesquioxide, 1 gram of manganese sesquioxide managnic oxide, 1 gram of lithia, 2 grams of barium carbonate, 2 grams of sodium tripolyphosphate,
2 grams of sodium pyrophosphate, 0.5 gram of sodium hydroxide, 0.5 gram of potassium hydroxide.
The coating method of comparative example two, includes the following steps:
1) mixing: 10 grams of raw material sodium hydroxide, 10 grams of calcium hydroxide, 1 gram of manganese sesquioxide managnic oxide, 1 gram of lithia, barium carbonate 2
Gram, 2 grams of sodium tripolyphosphate, 2 grams of sodium pyrophosphate be sufficiently mixed to obtain mixture A；
2) low temperature hydrolysis: 1500 grams of water are added in mixture A, stirs evenly, reaction, hydrolysising reacting temperature is hydrolyzed
It is 5 DEG C, hydrolysis time is 30 hours, obtains mixed material B；
3) dry: mixed material B being completely dried to obtain raw material C at a temperature of 80 DEG C；
4) it grinds for the first time: obtained raw material C grinding is become into 200 powder materials；
5) 20 grams of albite, 20 grams of sandstone, 10 grams of silica, 1 gram of nickel monoxide, three oxidations two spike: are added in powder
1 gram of cobalt, 0.5 gram of sodium hydroxide, 0.5 gram of potassium hydroxide are added 500 grams of water and are uniformly mixed, obtains mixing D；
6) dry: mixing D being dried at a temperature of 80 DEG C to absolutely not moisture and obtains raw material E；
7) it grinds for second: raw material E is ground into 200 mesh powder coating, it is spare；
8) coat: the method that coating obtained in step 7) is electrostatically sprayed is coated on parent metal, wherein electrostatic
Voltage is 20 kilovolts, and electric current is 10 microamperes, and gas output is 12 Liter Per Minutes, and spray distance is 10 centimetres, and spray time is 60 seconds；
9) it is sintered: thering is the parent metal of coating to be warming up to 580 with 12 DEG C/min of speed sintering obtained in step 8)
DEG C, it is sintered 5 minutes；
10) room temperature cooling is to get the coating for arriving comparative example two.
Comparative example three
Raw material includes following components: 25 grams of mica, 10 grams of quartz, and 10 grams of albite, 15 grams of sandstone, 2 grams of aluminium hydroxide, hydrogen
2 grams of sodium oxide molybdena, 4 grams of calcium hydroxide, 3 grams of nickel monoxide, 2 grams of nickel sesquioxide, 2 grams of cobalt black, 1 gram of cerium sesquioxide, three
Aoxidize 1 gram of two erbium, 10 grams of magnesium carbonate, 1 gram of potassium hydroxide, 1 gram of ammonium hydroxide.
The coating method of comparative example three, includes the following steps:
1) mixing: by 2 grams of raw aluminum hydroxide, 2 grams of sodium hydroxide, 4 grams of calcium hydroxide, 1 gram of cerium sesquioxide, three are aoxidized
Two 1 gram of erbiums, 10 grams of magnesium carbonate be sufficiently mixed to obtain mixture A；
2) low temperature hydrolysis: 1500 grams of water are added in mixture A, stirs evenly, reaction, hydrolysising reacting temperature is hydrolyzed
It is 5 DEG C, hydrolysis time is 30 hours, obtains mixed material B；
3) dry: mixed material B being completely dried to obtain raw material C at a temperature of 80 DEG C；
4) it grinds for the first time: obtained raw material C grinding is become into 200 powder materials；
5) spike: being added 25 grams of mica, quartzy 10 grams, 10 grams of albite, 15 grams of sandstone, 3 grams of nickel monoxide in powder,
2 grams of nickel sesquioxide, 2 grams of cobalt black, 1 gram of potassium hydroxide, ammonium hydroxide 1g are added 500 grams of water and are uniformly mixed, obtain mixing D；
6) dry: mixing D being dried at a temperature of 80 DEG C to absolutely not moisture and obtains raw material E；
7) it grinds for second: raw material E is ground into 200 mesh powder coating, it is spare；
8) coat: the method that coating obtained in step 7) is electrostatically sprayed is coated on parent metal, wherein electrostatic
Voltage is 35 kilovolts, and electric current is 15 microamperes, and gas output is 6 Liter Per Minutes, and spray distance is 30 centimetres, and spray time is 60 seconds；
9) it is sintered: thering is the parent metal of coating to be warming up to 520 with 7 DEG C/min of speed sintering obtained in step 8)
DEG C, it is sintered 30 minutes；
10) room temperature cooling is to get the coating for arriving comparative example three.
In order to verify the effect of the coating and coating method for Steel material anti-corrosion and fluorescent effect of the invention, carry out
Following test:
1) fluorescence intensity is tested
Four groups of coated steel sheet (plate size 50* of selection example one, two, three and comparative example one, two, three
50mm), take experiment to be placed in culture dish with steel plate, the cated face-up quasi-monochromatic light for using 460nm as excitation light source,
Excited white light LED light is stopped excitation, will generated after different durations with rare-earth yellow emitting phosphor powder (abbreviation bloom) after excitation 6 hours
Fluorescence through collecting, electric signal is converted light signals by the photodetector through V (λ) function correction.Under the same conditions
The photocurrent values of testing standard powder and sample to be tested, with the photocurrent values of standard flour for 100, the relative luminance for sample to be tested of staying alone
Value.
Fluorescence relative luminance after 1 each sample difference duration of table
From the point of view of the result that fluorescence intensity is tested, embodiment one, two, three and comparative example one, two, three by identical
After the ultraviolet excitation of time and equal intensities, after 10 minutes, the fluorescence of the coating sending in embodiment one, two, three
Relative luminance is between 95-100, and the intensity of comparative example one, two, three is 10-20 times small, far below embodiment one, two,
Three, it is seen that the fluorescent effect of embodiment one, two, three is much better than comparative example one, two, three, and strong by fluorescence after 4 hours
Degree decline is smaller.
2) reinforcement corrosion is tested
Six groups of coated reinforcements of selection example one, two, three and comparative example one, two, three are taken respectively, and control group is
Uncoated reinforcing bar, amounting to experiment reinforcing bar number is 21.It places it in 3.5% sodium chloride solution, is accelerated after energization
Corrosion test.
2 reinforcing bar accelerated corrosion of table test
3) the corrosion-resistant experiment of steel plate
Example one, two, three and comparative example one, two, three respectively, control group are uncoated steel plate, every group of steel
Plate number is 3 pieces, and amounting to experiment steel plate number is 21.It places it in 3.5% sodium chloride solution, carries out accelerating after energization rotten
Corrosion test.
3 steel plate accelerated corrosion of table test
4) coatings cross-section electron microscope
Fig. 1 is the electron microscopic picture of embodiment one, similar to embodiment two, three, so using embodiment one as representative.From figure
In as can be seen that coating it is very fine and close, wherein the closed pore of only only a few.Wherein inorganic ceramic coating is with a thickness of 230 μm.
Above-mentioned specific embodiment is used to illustrate the present invention, rather than limits the invention, of the invention
In spirit and scope of protection of the claims, to any modifications and changes that the present invention makes, protection model of the invention is both fallen within
It encloses.
Claims (10)
1. a kind of fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation, is coated on metal surface, which is characterized in that raw material includes
Following components: 55-58 parts of silicate mineral；10-15 parts of luminous agent matrix precursor；6-8 parts of binder；Luminescent activator 2-3
Part；2-3 parts of dispersing agent；2-3 parts of basic catalyst.
2. the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation according to claim 1, it is characterised in that: the silicic acid
Salt mineral are one of mica, quartz, albite, sandstone, silica, opal or a variety of.
3. the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation according to claim 1 or 2, it is characterised in that: described
Silicate mineral is superfines, and powder diameter is 1500-2000 mesh, preferably 1800-2000 mesh.
4. the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation according to claim 1, it is characterised in that: described to shine
Any one or more of agent matrix precursor in aluminium hydroxide, sodium hydroxide, calcium hydroxide, strontium hydroxide.
5. the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation according to claim 1, it is characterised in that: the bonding
Agent is selected from any one or more of nickel monoxide, nickel sesquioxide, cobalt black, cobalt sesquioxide, sodium tetraborate.
6. the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation according to claim 1, it is characterised in that: the fluorescence
Activator in europiumsesquioxide, lithia, erbium oxide, manganese sesquioxide managnic oxide, cerium sesquioxide any one or it is more
Kind.
7. the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation according to claim 1, it is characterised in that: the dispersion
Agent is selected from one of barium carbonate, magnesium carbonate, sodium tripolyphosphate, sodium pyrophosphate or a variety of.
8. the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation according to claim 1, it is characterised in that: the alkalinity
Catalyst is selected from one or more of ammonium hydroxide, sodium hydroxide, potassium hydroxide.
9. a kind of coating method of the fluorescence compact metal corrosion-inhibiting coating of ultraviolet light excitation, it is characterised in that include the following steps:
1) mixing: 10-15 parts of luminous agent matrix precursor, 2-3 parts of luminescent activator, 2-3 parts of dispersing agent is sufficiently mixed
Conjunction obtains mixture A；
2) low temperature hydrolysis: being added to the water in mixture A, and the weight ratio of mixture A and water is 1:70-110, stirs evenly, into
Row hydrolysis, hydrolysising reacting temperature are 0-10 DEG C, and hydrolysis time is 24-30 hours, obtain mixed material B；
3) dry: mixed material B being completely dried to obtain raw material C at a temperature of 75-85 DEG C；
4) it grinds for the first time: raw material C is ground into the powder of 180-220 mesh；
5) spike: being added 55-58 parts of silicate mineral, 6-8 parts of binders, 2-3 parts of basic catalyst in powder, according to
The ratio of 1:5-7 is mixed with water, and obtains mixing D；
6) dry: mixing D being completely dried at a temperature of 75-85 DEG C, obtains raw material E；
7) it grinds for second: raw material E is ground into 180-220 mesh powder coating, it is spare；
8) coat: the method that powdery paints obtained in step 7) is electrostatically sprayed is coated on parent metal；
9) it is sintered: the parent metal for being coated with coating obtained in step 8) is warming up to 550- with 6-8 DEG C/min of speed
It 570 DEG C, is sintered 15-20 minutes；
10) room temperature cooling to get.
10. coating method according to claim 9, it is characterised in that: electrostatic coating method is used in the step 9),
Middle electrostatic potential is 35-40 kilovolts, and electric current is 20-23 microamperes, and gas output is 6-10 liters/min, and spray distance is 30-50 lis
Rice, spray time are 50-70 seconds.
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