CN106111499A - A kind of electrical heating ice-phobic coating and preparation method thereof - Google Patents
A kind of electrical heating ice-phobic coating and preparation method thereof Download PDFInfo
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- CN106111499A CN106111499A CN201610489651.0A CN201610489651A CN106111499A CN 106111499 A CN106111499 A CN 106111499A CN 201610489651 A CN201610489651 A CN 201610489651A CN 106111499 A CN106111499 A CN 106111499A
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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
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
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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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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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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- 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
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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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
- C09D153/00—Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D153/02—Vinyl aromatic monomers and conjugated dienes
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
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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
- B05D2202/00—Metallic substrate
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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
- B05D2203/00—Other substrates
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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
- B05D2451/00—Type of carrier, type of coating (Multilayers)
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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
- B05D2503/00—Polyurethanes
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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
- B05D2504/00—Epoxy polymers
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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
- B05D2507/00—Polyolefins
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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
- B05D2518/00—Other type of polymers
- B05D2518/10—Silicon-containing polymers
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- B05D2601/00—Inorganic fillers
- B05D2601/20—Inorganic fillers used for non-pigmentation effect
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- B05D2602/00—Organic fillers
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- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Y02P20/10—Process efficiency
Abstract
A kind of electrical heating ice-phobic coating, its structure composition is: first spray insulation coating on substrate, plays and substrate insulation and adiabatic effect；Second, insulating coating makes electrode, heating can be made more uniform；3rd, electrode sprays electrical heating coating；Last in outermost layer sprayed protection coating；The preparation method step of this coating is as follows: one, coupling agent is placed on shaking table hydrolysis, obtains hydrolyzed solution；The hydrolyzed solution that heating coated filler is joined soaks modification dry, obtain modified heating paint filler；Two, heating coated substrate material is put in beaker, dilutes and add dispersants such as connecting this triphenol with dimethylbenzene, obtains heating coating matrix diluent；Three, heating paint filler is joined in heating coating matrix diluent, and stir and put into ultrasonic disperse 15 minutes in supersonic cleaning machine, available required electrical heating coating；This coating energy consumption is relatively low, homogeneous heating, and good manufacturability can reach the purpose of anti-deicing.
Description
Technical field:
The present invention provides a kind of electrical heating ice-phobic coating and preparation method thereof.Traditional heating anti-deicing mode is at substrate
Disposed inboard Resistant heating is to reach the purpose of anti-deicing, and the present invention uses Novel electric heating ice-phobic coating and preparation side thereof
Method, by spraying electric heating coating outside substrate, makes heating more uniform, reaches anti-icing effect, belong in chemical
Functional paint technical field.
Background technology:
The anti-deicing of electric heating coating is a kind of novel anti-deicing mode, refers to rely on the table such as wing, electromotor lip
Face builds and adds hot coating, utilizes the electrically heated mode of coating to prevent aircraft substrate surface accumulated ice to reach anti-deicing purpose.Tradition
Electric heating be that the heat that resistance wire produces is delivered to appearance by organism material by substrate disposed inboard resistance wire
Face, capacity usage ratio is low, causes material internal-external temperature difference bigger simultaneously, on the premise of anti-icing surface needs to maintain uniform temperature
Cause internal temperature too high, material itself is proposed higher heatproof requirement.It addition, portion (such as wing skeleton) cannot cloth
Resistive heater, thus cannot directly heat anti-icing.
Comparing tradition Electric heating, electric heating coating is owing to being distributed in body outer surface, closer to accumulated ice layer；And every
Under hot coating effect, major part heat outwards transmits for heating deicing, substantially increases the efficiency of heating surface and reduces material originally
The heatproof requirement of body, meets the composite heatproof requirement of unmanned plane etc..Traditional Resistant heating is wire type heating, at resistance
Near silk, temperature is higher, and resistance wire interval region temperature is relatively low, causes heating irregular, adds hot coating modified line formula and be heated to be facial adding
Heat, heat distribution is more uniform, can heat any part anti-icing, extends the range of application that aircraft heating is anti-icing.
Novel electric heating ice-phobic coating, it is not necessary to aircraft does large-scale change, only need to be on existing protective coating basis
The upper painting one that increases adds hot coating, aircraft weightening finish will not be allowed too many, compare traditional approach, and heating is more uniform, and can height
Imitate is energy-conservation.The present invention provides the preparation method of a kind of Novel electric heating ice-phobic coating, is that one is prevented and kill off the most easily
Ice mode.
Summary of the invention:
1. purpose: the main object of the present invention is to provide a kind of novel electrical heating ice-phobic coating and preparation method thereof, for
Solution traditional resistor silk heats that heating heat transfer efficiency uneven, internal is low, and the problem that energy consumption is big, modified line formula is heated to be facial adding
Heat, improves coating heating uniformity and the efficiency of heating surface, is a kind of energy-efficient anti-deicing mode.
2. technical scheme:
To achieve the above object, the present invention takes the novel hot coating that adds to prevent and kill off the mode of ice.Traditional electrical heating
Mode is that the heat that resistance wire produces is delivered to outer surface, energy profit by organism material by substrate disposed inboard resistance wire
Low by rate, cause material internal-external temperature difference bigger simultaneously, on the premise of anti-icing surface needs to maintain uniform temperature, cause inside
Temperature is too high, and material itself is proposed higher heatproof requirement.
One electrical heating ice-phobic coating of the present invention, its structure composition is as follows: first spray one layer of insulating coating on substrate,
Play and substrate insulation and adiabatic effect；Second, insulating coating makes novel electrode, heating can be made more uniform；
3rd, electrode sprays electrical heating coating；Last in outermost layer sprayed protection coating, play the effect of protection.
Then general's heating coating spraying is at outer surface of matrix, closer to accumulated ice layer for the present invention.And under heat insulating coat effect, greatly
Partial heat outwards transmits for heating deicing, substantially increases the efficiency of heating surface and reduces the heatproof requirement of material itself, full
The composite heatproof requirement of foot unmanned plane etc..Meanwhile, the present invention uses novel electrode arrangement mode, makes to add hot coating heating
More uniform.
The mode that traditional tinsel heating is anti-icing, tinsel is distributed in the inner side of substrate, and capacity utilization ratio is low, and this
It is bright that to add hot coating sprayable outside substrate.This mode substantially increases the efficiency of heating surface.
Wherein, described " spraying one layer of insulating coating on substrate ", this insulating coating uses existing nanometer on market
Insulating coating, plays the heat insulation and effect of insulation；Wherein, described " making novel electrode on insulating coating ", this is novel
Electrode be that oneself makes, have multiple manufacture method, conductive silver glue or thin copper wire can be used to make, concrete production method is as follows
Described；Wherein, described " spraying electrical heating coating on electrode ", this electrical heating coating is to use nanometer heating filler and organic
Matrix be mixed with, heating coating tool manufacture method as described below.
The preparation method of the present invention a kind of electrical heating ice-phobic coating, applies method as follows in fact:
1. the making of electrical heating coating
Step one: in the NaOH ethanol solution that pH value is 13 add mass fraction be about 20% KH550 or other
Coupling agent, and it is placed on shaking table hydrolysis, obtain hydrolyzed solution；Appropriate heating coated filler (conductive nano white carbon black, carbon nanometer
Pipe, Graphene etc.) in the hydrolyzed solution that joins, soak 2-4 hour modified, be positioned in 50 degrees Celsius of vacuum drying ovens, dry
2-4 hour；The heating coated filler of drying is distributed in toluene, carries out repeatedly vacuum filtration, finally by the heating after sucking filtration
Coated filler is put in vacuum drying oven, and 120 degrees Celsius process two hours, so that it may obtain modified heating paint filler；Described
" coupling agent " refer to silane coupler, be existing products in markets.
Step 2: the matrix of heating coating can be selected for multiple material, such as epoxy resin, silicone rubber, SBS resin, polyurethane
Deng；The heating coated substrate material of mass fraction about 20%-30% is put in beaker, dilutes (epoxy resin with dimethylbenzene
Available acetone dilution), and add the dispersant such as this triphenol of company or salicylic acid that mass fraction is about 2%-5%, stir with Glass rod
Mix uniformly and put into ultrasonic disperse ten minutes in supersonic cleaning machine, obtaining heating coating matrix diluent.
Step 3: according to the requirement of required heating coatings conductive property, can be by the modified heating in appropriate step one
Paint filler joins in the heating coating matrix diluent in step 2, and ratio can be made according to required heating conductive coating performance
Adjusting, and stir with Glass rod and put into ultrasonic disperse 15 minutes in supersonic cleaning machine, available required electrical heating is coated with
Material.
2. add several ways and detailed description that thermode improves
Owing to electric heating coating coating thickness is relatively thin, traditional copper foil electrode is thicker, it is impossible to coating do the most flat
Whole；And the resistance ratio of large-area electric heating coating is relatively big, easily occurs heating uneven problem；So that to heating
Electrode does some and improves, and allows the resistance of Bulk coat become less, it is simple to electric heating coating heating is more uniform；
Add the mode one that thermode improves: produce comb or other shapes (such as half first with modes such as machinings
Circular, special-shaped etc.) template；It is attached to template will spray on the substrate of electric heating coating；Utilize magnetron sputter, chemistry
Plate, electroplate or directly smear the mode of elargol, substrate plating surface last layer silver or other metals of template will be posted；Finally will
Template is taken off, just can get the novel electrode thin layer of comb teeth shape or other shapes；Add the mode two that thermode improves: can use pre-
Bury mode wiry and make electrode, substrate is coated very thin one layer glue, the tinsel such as thin copper wire or filamentary silver is cut into length
Spend equal segment, and paralleling binding is on substrate, select a fine wire every one and they are fixed up；
Add the mode three that thermode improves: direct Copper Foil or aluminium foil etc. are processed into comb teeth shape or other shapes, and handle
They are pasted onto on substrate；
3. add the production method of hot coating
Step 1: spray insulation/heat insulating coat on substrate；
Step 2: select the either type added in thermode improved procedure to produce electrode on the substrate of above-mentioned steps 1；
Step 3: make, in being made by above-mentioned electrical heating coating, the electrical heating spray painting obtained and making the substrate of electrode
On, coating can thickness can be thin so that coating resistance is different, it is adaptable to different heating conditions；
Step 4: can on heating coating sprayed protection coating, strengthen the mechanical performance of electric heating coating and weatherability；
This electric heating coating by changing the thickness of coating spraying and can select different heating coated filler proportionings
Obtain the coating of different resistance values, and then obtain the heating power that coating is different；
By the above practice, electrical heating antiicing coating can be prepared, novel electrode can be prepared, finally can produce
Novel electric heating ice-phobic coating, this coating energy consumption is relatively low, and it is more uniform to heat ratio, can reach the purpose of the anti-deicing of unmanned plane.
One electrical heating ice-phobic coating preparation method of the present invention, the spy of the Novel electric heating ice-phobic coating that it is made
Point:
1. the mode that the heating of traditional resistor silk is anti-icing, resistance wire is arranged in inside substrate, and capacity usage ratio is low, and heating is not
It is the most uniform.The electric heating coating of the present invention is then to be sprayed on outside substrate, and capacity usage ratio is high, is greatly saved aircraft deicing
The energy consumed；Meanwhile, the electrode of compound corresponding construction, coating heating can be made more uniform, be the anti-of a kind of new high-efficiency
Deicing mode.
2. the heating coated filler (conductive nano white carbon black, CNT, Graphene etc.) of modification is at even this triphenol, salicylic acid
Deng being distributed to sufficiently uniformly under the dispersion of dispersant in acetone or dimethylbenzene equal solvent, add some Binder Phases and add
Adding agent, can be self-assembly of the electrical heating ice-phobic coating of even uniform by the way of spraying, technique is simple, is suitable for multiple
The large-scale application of substrate surface.
3. the nano-carbon material dispersion liquid configured can with various kinds of resin elastomeric material with the use of, such as epoxy resin, silicon
Rubber, SBS resin, polyurethane etc., it is possible to obtain disperseing relatively good, heating than more uniform, pliability is relatively good, caking property compares
Strong electric heating coating.
4. electric heating coating has certain heat stability, will not aoxidize, resistance stabilization in heating process.Coating can be used
Organic solvent diluting, can change the electricity of coating by the thickness of the mass ratio of control heating coated filler and spray-on coating
Resistance, obtains the coating of different heating effect.The electric heating coating efficiency of heating surface is higher.
5. the novel electrode layout designed by, uses and smears the modes such as conductive silver glue, plating, chemical plating or magnetron sputtering
Traditional both positive and negative polarity is made various shape, such as comb teeth shape, semicircle etc., it is also possible to by pre-buried fine wire, such as copper wire, silver
Silk does electrode.This mode shortens the distance between power positive cathode, simultaneously because electrode arrangements is than comparatively dense, is conducive to adding
The heating uniformity of strong coating.
6. this electric heating coating preparation method, once can prepare substantial amounts of heating coating, and preparation method is relatively easy, system
Make the cycle short, it is adaptable to produce on a large scale；Use spraying mode, sprayable in the surface of various complicated shapes, as arc,
Wing etc.；Spraying rear surface opposed flattened, coating layer thickness ratio is relatively thin, and heats is more uniform, and the efficiency of heating surface is higher；Compound
After adding thermode, can substantially reduce the resistance adding hot coating, be applicable to various Power Supplies Condition.It it is a kind of efficient anti-deicing side
Formula.
Accompanying drawing illustrates:
Fig. 1: Novel electric heating ice-phobic coating schematic diagram.
Fig. 2: electric heating coating generalized section.
Fig. 3: the method for the invention flow chart.
Fig. 4: electrode fabrication schematic diagram.
Fig. 5: wire electrode coating schematic diagram.
Fig. 6: electrical heating spray painting schematic diagram.
Detailed description of the invention:
(1) one electrical heating ice-phobic coating of the present invention, as shown in Figure 2, its structure composition is as follows: first spray on substrate
It is coated with one layer of insulating coating, plays and substrate insulation and adiabatic effect；Second, insulating coating makes novel electrode, energy
Make heating more uniform；3rd, electrode sprays electrical heating coating；Last in outermost layer sprayed protection coating, play protection
Effect.
Then general's heating coating spraying is at outer surface of matrix, closer to accumulated ice layer for the present invention.And under heat insulating coat effect, greatly
Partial heat outwards transmits for heating deicing, substantially increases the efficiency of heating surface and reduces the heatproof requirement of material itself, full
The composite heatproof requirement of foot unmanned plane etc..Meanwhile, the present invention uses novel electrode arrangement mode, makes to add hot coating heating
More uniform.
The mode that traditional tinsel heating is anti-icing, tinsel is distributed in the inner side of substrate, and capacity utilization ratio is low, and this
It is bright that to add hot coating sprayable outside substrate.This mode substantially increases the efficiency of heating surface.
(2) preparation method of a kind of electrical heating of present invention ice-phobic coating, applies method as follows in fact:
The mode that traditional tinsel heating is anti-icing, tinsel is distributed in the inner side of substrate, and capacity utilization ratio is low, and this
Bright to add hot coating sprayable outside substrate, sees Fig. 1.This mode substantially increases the efficiency of heating surface.This electric heating coating is anti-icing
Final sectional view is shown in Fig. 2.Preparation process is shown in Fig. 3.
1. electrical heating coating makes
Step one: in the NaOH ethanol solution that pH value is 13 add mass fraction be about 20% KH550 or other
Coupling agent, and it is placed on shaking table hydrolysis, obtain hydrolyzed solution；Appropriate heating coated filler (conductive nano white carbon black, carbon nanometer
Pipe, Graphene etc.) in the hydrolyzed solution that joins, soak 2-4 hour modified, be positioned in 50 degrees Celsius of vacuum drying ovens, dry
2-4 hour；The heating coated filler of drying is distributed in toluene, carries out repeatedly vacuum filtration, finally by the heating after sucking filtration
Coated filler is put in vacuum drying oven, and 120 degrees Celsius process two hours, so that it may obtain modified heating paint filler.Described
" coupling agent " refer to silane coupler, be existing products in markets.
Step 2: the matrix of heating coating can be selected for multiple material, such as epoxy resin, silicone rubber, SBS resin, polyurethane
Deng.The heating coated substrate material of mass fraction about 20%-30% is put in beaker, dilutes (epoxy resin with dimethylbenzene
Available acetone dilution), and add the dispersant such as this triphenol of company or salicylic acid that mass fraction is about 2%-5%, stir with Glass rod
Mix uniformly and put into ultrasonic disperse ten minutes in supersonic cleaning machine, obtaining heating coating matrix diluent.
Step 3: according to the requirement of required heating coatings conductive property, can be by the modified heating in appropriate step one
Paint filler joins in the heating coating matrix diluent in step 2, and ratio can be made according to required heating conductive coating performance
Adjust, and stir with Glass rod and put into ultrasonic disperse 15 minutes in supersonic cleaning machine.Available required heating coating.
2. add several ways and detailed description that thermode improves
Owing to electric heating coating coating thickness is relatively thin, traditional copper foil electrode is thicker, it is impossible to coating do the most flat
Whole.And the resistance ratio of large-area electric heating coating is relatively big, easily occurs heating uneven problem.So that to electrode
Do some to improve, allow the resistance of Bulk coat become less, it is simple to add hot coating heating more uniform.
Add the mode one that thermode improves: produce comb or other shapes (such as half first with modes such as machinings
Circular, special-shaped etc.) template；It is attached to template will spray on the substrate of electric heating coating；Utilize magnetron sputter, chemistry
Plate, electroplate or directly smear the mode of elargol, substrate plating surface last layer silver or other metals of template will be posted, see Fig. 4；
Finally template is taken off, just can get the novel electrode thin layer of comb teeth shape or other shapes.
Add the mode two that thermode improves: the mode of built-in metal silk can be used to make electrode, substrate is coated very thin
One layer of glue, the tinsel such as thin copper wire or filamentary silver is cut into the segment that length is equal, and paralleling binding is on substrate, every a choosing
Selecting a fine wire and they are fixed up, Fig. 5 is shown in by electrode schematic diagram.
Add the mode three that thermode improves: direct Copper Foil or aluminium foil etc. are processed into comb teeth shape or other shapes, and handle
They are pasted onto on substrate.
3. add the production method of hot coating
Step 1: spray insulation/heat insulating coat on substrate.
Step 2: select the either type added in thermode improved procedure to produce electrode on the substrate of above-mentioned steps 1.
Step 3: make, in being made by above-mentioned electrical heating coating, the electric heating coating pulp spraying obtained and be coated in and make electrode
On substrate, see Fig. 6, coating can thickness can be thin so that coating resistance is different, it is adaptable to different heating conditions.
Step 4: can on heating coating sprayed protection coating, strengthen the mechanical performance of electric heating coating and weatherability.
This electric heating coating by changing the thickness of coating spraying and can select different heating coated filler proportionings to obtain not
With the coating of resistance value, and then obtain the heating power that coating is different.
Claims (8)
1. an electrical heating ice-phobic coating, it is characterised in that: its structure composition is as follows: first spray one layer of insulation on substrate
Coating, plays and substrate insulation and adiabatic effect；Second, insulating coating makes novel electrode, heating can be made more
Uniformly；3rd, electrode sprays electrical heating coating；Last in outermost layer sprayed protection coating, play the effect of protection；
By heating coating spraying at outer surface of matrix, closer to accumulated ice layer；And under heat insulating coat effect, major part heat is outside
Transmission is used for heating deicing, substantially increases the efficiency of heating surface and reduces the heatproof requirement of material itself, meanwhile, using novel
Electrode arrangement mode, makes to add hot coating heating more uniform；The heating coating spraying of the present invention is outside substrate；Substantially increase
The efficiency of heating surface.
A kind of electrical heating ice-phobic coating the most according to claim 1, it is characterised in that: described " sprays one on substrate
Layer insulating coating ", this insulating coating uses nanometer insulating coating, plays the heat insulation and effect of insulation.
A kind of electrical heating ice-phobic coating the most according to claim 1, it is characterised in that: described " makes on insulating coating
Make novel electrode ", this novel electrode uses conductive silver glue to make.
A kind of electrical heating ice-phobic coating the most according to claim 1, it is characterised in that: described " makes on insulating coating
Make novel electrode ", this novel electrode uses a kind of making in electricity elargol and thin copper wire.
A kind of electrical heating ice-phobic coating the most according to claim 1, it is characterised in that: described " sprays electricity on electrode
Heating coating ", this electrical heating coating is to use nanometer heating filler and organic matrix to be mixed with.
6. the preparation method of an electrical heating ice-phobic coating, it is characterised in that: in fact apply method as follows:
(1) making of electrical heating coating
Step one: add KH550 and other the coupling that mass fraction is about 20% in the NaOH ethanol solution that pH value is 13
Agent, and it is placed on shaking table hydrolysis, obtain hydrolyzed solution；In the hydrolyzed solution that the heating coated filler of scheduled volume is joined, soak 2-4
Hour modified, it is positioned in 50 degrees Celsius of vacuum drying ovens, dries 2-4 hour；The heating coated filler of drying is distributed to first
In benzene, carry out repeatedly vacuum filtration, finally the heating coated filler after sucking filtration is put in vacuum drying oven, at 120 degrees Celsius
Manage two hours, just obtain modified heating paint filler；
Step 2: the matrix of heating coating selects multiple material；Mass fraction is about the heating coated substrate material of 20%-30%
Material is put in beaker, dilutes with dimethylbenzene, and adds this triphenol of company and salicylic acid dispersant that mass fraction is 2%-5%, uses
Glass rod stirs and puts into ultrasonic disperse ten minutes in supersonic cleaning machine, obtains heating coating matrix diluent；
Step 3: according to the requirement of required heating coatings conductive property, by the modified heating coating in the step one of scheduled volume
Filler joins in the heating coating matrix diluent in step 2, and ratio adjusts according to required heating conductive coating performance,
And stir with Glass rod and to put into ultrasonic disperse 15 minutes in supersonic cleaning machine, obtain required electrical heating coating；
(2) several ways and detailed description that thermode improves are added
Add the mode one that thermode improves: produce comb first with machining mode and other shapes are the most semicircle, different
The template of shape；It is attached to template will spray on the substrate of electric heating coating；Utilize magnetron sputter, chemical plating, plating and straight
Connect the mode smearing elargol, substrate plating surface last layer silver and other metals of template will be posted；Finally template is taken off, just
Novel electrode thin layer to comb teeth shape and other shapes；
Add the mode two that thermode improves: use the mode of built-in metal silk to make electrode, substrate is coated very thin one layer
Glue, is cut into, by thin copper wire and filamentary silver tinsel, the segment that length is equal, and paralleling binding is on substrate, selects one carefully every one
Tinsel is also fixed up them；
Add the mode three that thermode improves: direct Copper Foil and aluminium foil are processed into comb teeth shape and other shapes, and they are pasted
On substrate；
(3) production method of hot coating is added
Step 1: spray insulation/heat insulating coat on substrate；
Step 2: select the either type added in thermode improved procedure to produce electrode on the substrate of above-mentioned steps 1；
Step 3: make the electrical heating spray painting obtained on the substrate making electrode in being made by above-mentioned electrical heating coating, is coated with
Thickness is the most capable, so that coating resistance is different, it is adaptable to different heating conditions；
Step 4: sprayed protection coating on heating coating, strengthens mechanical performance and the weatherability of electric heating coating；
This electric heating coating is by changing the thickness of coating spraying and selecting different heating coated filler proportionings to obtain not
With the coating of resistance value, and then obtain the heating power that coating is different；
By the above practice, electrical heating antiicing coating can be prepared, novel electrode can be prepared, finally can produce Novel electric and add
Hot ice-phobic coating, this coating energy consumption is low, and homogeneous heating, can reach the purpose of anti-deicing.
7. the preparation method of a kind of electrical heating of present invention ice-phobic coating, it is characterised in that: " adding hot coating described in step one
Filler ", refer to the one in conductive nano white carbon black, CNT and Graphene.
8. the preparation method of a kind of electrical heating of present invention ice-phobic coating, it is characterised in that: " the heating coating described in step 2
Matrix select multiple material ", this matrix select multiple material refer in epoxy resin, silicone rubber, SBS resin and polyurethane
One.
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| CN107084100A (en) * | 2017-06-19 | 2017-08-22 | 东方电气风电有限公司 | A kind of preparation method of wind electricity blade heating ice melting system based on graphene heating film and the blade |
| CN107120243A (en) * | 2017-06-19 | 2017-09-01 | 东方电气风电有限公司 | A kind of wind electricity blade preparation method that ice-melt is heated based on graphene |
| CN110423523A (en) * | 2019-09-05 | 2019-11-08 | 中国航空制造技术研究院 | A kind of super-hydrophobic deicing composite coating and preparation method thereof |
| CN111716776A (en) * | 2020-07-01 | 2020-09-29 | 重庆大学 | Photoelectric-thermal super-hydrophobic film, preparation method and anti-icing and deicing application |
| CN112009694A (en) * | 2020-09-03 | 2020-12-01 | 北京航空航天大学 | Preparation method of electric heating anti-icing coating for three-dimensional complex curved surface |
| CN114563440A (en) * | 2022-04-08 | 2022-05-31 | 北京华科仪科技股份有限公司 | Pour point measuring method |
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| CN112009694A (en) * | 2020-09-03 | 2020-12-01 | 北京航空航天大学 | Preparation method of electric heating anti-icing coating for three-dimensional complex curved surface |
| CN114563440A (en) * | 2022-04-08 | 2022-05-31 | 北京华科仪科技股份有限公司 | Pour point measuring method |
| CN114563440B (en) * | 2022-04-08 | 2023-09-12 | 北京华科仪科技股份有限公司 | Pour point measuring method |
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