CN109957306A - A kind of wear-resistant carbon fiber coating layer and its coating method - Google Patents
A kind of wear-resistant carbon fiber coating layer and its coating method Download PDFInfo
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- CN109957306A CN109957306A CN201910178082.1A CN201910178082A CN109957306A CN 109957306 A CN109957306 A CN 109957306A CN 201910178082 A CN201910178082 A CN 201910178082A CN 109957306 A CN109957306 A CN 109957306A
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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
- B05D3/02—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 by baking
- B05D3/0209—Multistage baking
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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
- B05D3/02—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 by baking
- B05D3/0254—After-treatment
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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
- B05D3/06—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 by exposure to radiation
- B05D3/061—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 by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
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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
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
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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
- B05D7/56—Three layers or more
- B05D7/57—Three layers or more the last layer being a clear coat
- B05D7/576—Three layers or more the last layer being a clear coat each layer being cured, at least partially, separately
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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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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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
- C09D177/00—Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain; Coating compositions based on derivatives of such polymers
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive 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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- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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Abstract
The present invention provides a kind of wear-resistant carbon fiber coating layer and its coating methods, by resin and solvent in carbon fiber coating layer material, clay, adhesive, filler mixed melting, particle is obtained under the action of ball mill uniformly and less than the coating material of 1000 meshes, in conjunction with the peptizaiton of dispersion machine, allow coating material preferably in conjunction with carbon fiber surface, coating material is divided into three-layer coating when coating, first layer and the second layer are under ultraviolet light irradiation, so that during the silica ultrafine particles of photopolymerization reaction functional group are dispersed in, form more firm coating, at the uniform velocity blade coating solidifies third layer coating material with synchronous on frame-type coating device, reinforce the bonding force between coating material, the coating made is less prone to delamination, and effectively delay to corrode the speed that particle enters coating, it is good to show resist chemical performance, it is anti- Abrasive action is significant.
Description
Technical field
The present invention relates to carbon fiber preparation fields, and in particular to a kind of wear-resistant carbon fiber coating layer and its coating method.
Background technique
Coating is that this attached protective layer is prevented for obstructing extraneous corrosion particle contact material surface on the surface of the material
Lead to material corrosion because redox reaction occurs, reduces the service performance of material, however coating is during film forming, because
The volatilization of solvent can leave microchannel in coat inside, and coating is during prolonged use, the corrosion of coating surface aggregation
Particle can pass through the surface that coating reaches protection matrix by the microchannel of coat inside, corrosion material occur, currently, some
Carbon fiber product needs when surface carries out processing applying coating, is generally directly stirred and evenly mixed, is being applied using coating material
Solidification is coated using conventional heat treatment when covering, material surface is made to coat one layer of fine and close film, such film has certain
Anticorrosion antiwear effect, but its coating material particle is larger, will lead to the non-uniform problem of coating, adhesion strength is also poor, wear-resisting
Effect is simultaneously bad, the use needs not being able to satisfy in people's life and work, and it is poor to show as resist chemical performance, to basis
The wear-resistant protection effect of material is undesirable.
Summary of the invention
One of to solve the above-mentioned problems, the present invention provides the following technical solution:
A kind of wear-resistant carbon fiber coating layer includes the ingredient of following parts by weight: 35~45 parts of resins, 10~15 parts of solvents, 2
~10 parts of adhesives, 4~20 parts of clays, 10~18 parts of silica, 2~10 parts of fillers, 6~15 parts of curing agent.
Preferably, the resin is one of epoxy resin, phenolic resin, polyamide or a variety of.
Preferably, the solvent is that acetone and water are formed according to the ratio of 8~12:1~5.
Preferably, the adhesive is polyether sulfone.
Preferably, the clay is the mixing of one or both of bentonite, montmorillonite.
Preferably, the filler is the mixing of one or both of lamellar structure material, spherical structure material.
Preferably, the curing agent is by polyamide and methyl hexahydro phthalic anhydride according to the ratio of 1~5:1~2
Example composition.
Additionally, it is provided a kind of coating method of wear-resistant carbon fiber coating layer, includes the following steps:
(1) dehydrated alcohol is added into carbon fiber and carries out 20~30min of cleaning under ultrasound condition, filters, again
Acetone is added and continues 1~2h of cleaning, filters, distilled water is added and continues 20~30min of cleaning；
(2) carbon fiber cleaned is placed under 75~85 DEG C of vacuum condition, dry 6~10h obtains dry carbon fiber；
(3) preparation of coating material；
(4) coating and curing method of coating: using spray gun, and the coating material being prepared is sprayed on to the drying
On carbon fiber, 20~30min is irradiated after coating under the action of ultraviolet light, the spraying of second layer coating material is carried out, exists again
20~30min is irradiated under the action of ultraviolet light, will be fixed on frame-type coating device by the carbon fiber of coating, is carried out third layer
The coating of coating synchronizes at the uniform velocity blade coating and solidification, coating coating thickness under being 2.0~4.0m/min in solidification transmission speed
It is 5~10 μm.
(5) carbon fiber for completing coating, is put into high temperature furnace, and when temperature reaches 3000~5000 DEG C, the ratio that is passed through is 4
The propane and argon gas mixed gas of~6:1, being passed through the time is 10~12h, and blow-on takes out product, is down to room temperature naturally.
Wherein, the supersonic frequency of ultrasound condition described in step (1) is 60~80kHz, and ultrasonic power is 80~100W；Step
Suddenly solidification described in (4) are as follows: be warming up to 120~150 DEG C according to the speed of 1~1.5 DEG C/min, keep 30~60min, then certainly
So it is cooled to room temperature.
Compared with prior art, the device have the advantages that it is as follows:
Resin and solvent, clay, adhesive, filler mixed melting, coated filler in carbon fiber coating layer material of the invention
It can delay to corrode particle with resin, curing agent synergy and enter the speed of coating；And particle is obtained under the action of ball mill
Uniformly and less than the coating material of 1000 meshes, in conjunction with the peptizaiton of dispersion machine, allow coating material preferably with carbon
Fiber surface combines, and coating material is divided into three-layer coating, first layer and the second layer under ultraviolet light irradiation when coating, so that light is poly-
The silica ultrafine particles of conjunction reactive functional groups form more firm coating, third layer coating material is in frame in being dispersed in
At the uniform velocity blade coating solidifies with synchronous on posture coating device, reinforces the bonding force between coating material, and the coating made is less prone to delamination,
And effectively delay to corrode particle and enter the speed of coating, show that resist chemical performance is good, and wear-resistant effect is significant.
Specific embodiment
Below with reference to specific embodiment, the present invention is further explained.
A kind of wear-resistant carbon fiber coating layer includes the ingredient of following parts by weight: 35~45 parts of resins, 10~15 parts of solvents, 2
~10 parts of adhesives, 4~20 parts of clays, 10~18 parts of silica, 2~10 parts of fillers, 6~15 parts of curing agent.
The resin is one of epoxy resin, phenolic resin, polyamide or a variety of；The solvent is third
Ketone and water are formed according to the ratio of 8~12:1~5；The adhesive is polyether sulfone；The clay is bentonite, montmorillonite
One or both of mixing；The filler is the mixing of one or both of lamellar structure material, spherical structure material；Institute
The curing agent stated is made of polyamide and methyl hexahydro phthalic anhydride according to the ratio of 1~5:1.
Additionally, it is provided a kind of coating method of wear-resistant carbon fiber coating layer, includes the following steps:
(1) dehydrated alcohol is added into carbon fiber and carries out 20~30min of cleaning under ultrasound condition, filters, again
Acetone is added and continues 1~2h of cleaning, filters, distilled water is added and continues 20~30min of cleaning；
(2) carbon fiber cleaned is placed under 75~85 DEG C of vacuum condition, dry 6~10h obtains dry carbon fiber；
(3) preparation of coating material,
Specifically: selection weighs raw material, by epoxy resin part, solvent, adhesive, clay, anticorrosive packing mixed melting, temperature
Degree control at 100~120 DEG C, silica is uniformly put into the raw material of mixed melting state, in the ball mill grind 2~
3h, the revolving speed of ball mill are set as 2000~3000r/min, and curing agent is added, is transferred in high speed disperser, revolving speed is set as
3500~5000r/min, jitter time are 25~40min, promote coating material to be sufficiently formed homogenate, the coating material that will be obtained
It is kept the temperature at 75~90 DEG C spare；
(4) coating and curing method of coating；
Specifically: spray gun is used, the coating material being prepared is sprayed on the drying carbon fiber, first layer applies
The thickness control of layer irradiates 20~30min at 15~30 μm under the action of ultraviolet light after coating, carry out second layer coating material
Spraying, thickness control at 10~20 μm, again under the action of ultraviolet light irradiate 20~30min, will by coating carbon fiber
Dimension be fixed on frame-type coating device, carry out third layer coating coating, solidification transmission speed be 2.0~4.0m/min under into
Row synchronous uniform velocity blade coating and solidification, coating coating thickness are 5~10 μm.
(5) carbon fiber for completing coating, is put into high temperature furnace, and when temperature reaches 3000~5000 DEG C, the ratio that is passed through is 4
The propane and argon gas mixed gas of~6:1, being passed through the time is 10~12h, and blow-on takes out product, is down to room temperature naturally.
Wherein, the supersonic frequency of ultrasound condition described in step (1) is 60~80kHz, and ultrasonic power is 80~100W；Step
Suddenly solidification described in (4) are as follows: be warming up to 120~150 DEG C according to the speed of 1~1.5 DEG C/min, keep 30~60min, then certainly
So it is cooled to room temperature.
Resin and solvent, clay, adhesive, filler mixed melting, coated filler in carbon fiber coating layer material of the invention
It can effectively delay to corrode the speed that particle enters coating, extend the service life of coating；Solves coating by adhesive
Adhesion problem, greatly improve the performance of product, obtained under the action of ball mill particle uniformly and less than 1000 mesh
It sieves coating material and allows coating material preferably in conjunction with carbon fiber surface, coating material in conjunction with the peptizaiton of dispersion machine
It is divided into three-layer coating, first layer and the second layer when material coating under ultraviolet light irradiation, so that the two of photopolymerization reaction functional group
During silica ultra-fine grain is dispersed in, more firm coating is formed, third layer coating material is at the uniform velocity scraped on frame-type coating device
It applies and solidifies with synchronous, reinforce the bonding force between coating material, so that coating is less prone to delamination, and effectively delay to corrode grain
Son enters the speed of coating, and it is good to show resist chemical performance, and wear-resistant effect is significant.
Embodiment 1
A kind of wear-resistant carbon fiber coating layer includes the ingredient of following parts by weight: 35 parts of resins, 15 parts of solvents, 10 parts of bondings
Agent, 4 parts of clays, 18 parts of silica, 10 parts of fillers, 8 parts of curing agent.
The resin is epoxy resin；The solvent is that acetone and water are formed according to the ratio of 8:1；The bonding
Agent is polyether sulfone；The clay is bentonite；The anticorrosive packing is lamellar structure material, i.e. nano-graphene material；
The curing agent is made of polyamide and methyl hexahydro phthalic anhydride according to the ratio of 1:1.
Additionally, it is provided a kind of coating method of wear-resistant carbon fiber coating layer, includes the following steps:
(1) dehydrated alcohol is added into carbon fiber and carries out 20min of cleaning under ultrasound condition, filtering is added again
Acetone continues to clean 1h, and filtering is added distilled water and continues to clean 20min；
(2) carbon fiber cleaned is placed under 75 DEG C of vacuum condition, dry 6h obtains dry carbon fiber；
(3) preparation of coating material: selection weighs raw material, and epoxy resin part, solvent, adhesive, clay, filler are mixed
Melting, temperature control at 100 DEG C, silica are uniformly put into the raw material of mixed melting state, grind 2h in the ball mill,
The revolving speed of ball mill is set as 2000r/min, and curing agent is added, is transferred in high speed disperser, and revolving speed is set as 3500r/min,
Jitter time is 25min, and coating material is promoted to be sufficiently formed homogenate, obtained coating material is kept the temperature at 75 DEG C spare；
(4) spray gun is used, the coating material being prepared is sprayed on the drying carbon fiber, first layer coating
Thickness control irradiates 20min at 15 μm under the action of ultraviolet light after coating, carry out the spraying of second layer coating material, thickness
Control irradiates 20min under the action of ultraviolet light again at 10 μm, will be fixed on frame-type coating device by the carbon fiber of coating
On, the coating of third layer coating is carried out, synchronizes at the uniform velocity blade coating and solidification, coating under being 2.0m/min in solidification transmission speed
Coating thickness is 5 μm.
(5) carbon fiber for completing coating, is put into high temperature furnace, when temperature reaches 3000 DEG C, is passed through third that ratio is 4:1
Alkane and argon gas mixed gas, being passed through the time is 10h, and blow-on takes out product, is down to room temperature naturally.
Wherein, the supersonic frequency of ultrasound condition described in step (1) is 60kHz, ultrasonic power 80W；Step (4) is described
Solidification are as follows: be warming up to 120 DEG C according to the speed of 1 DEG C/min, keep 30min, then microexamination after cooled to room temperature
To the coating is uniform and compact, no microcrack.
Embodiment 2
A kind of wear-resistant carbon fiber coating layer includes the ingredient of following parts by weight: 45 parts of resins, 10 parts of solvents, 10 parts of bondings
Agent, 4 parts of clays, 10 parts of silica, 10 parts of fillers, 11 parts of curing agent.
The resin is phenolic resin；The solvent is that acetone and water are formed according to the ratio of 12:5；Described is viscous
Mixture is polyether sulfone；The clay is montmorillonite；The filler is spherical structure material, as porous konilite；It is described
Curing agent be made of polyamide and methyl hexahydro phthalic anhydride according to the ratio of 5:2.
Additionally, it is provided a kind of coating method of wear-resistant carbon fiber coating layer, includes the following steps:
(1) dehydrated alcohol is added into carbon fiber and carries out 30min of cleaning under ultrasound condition, filtering is added again
Acetone continues to clean 2h, and filtering is added distilled water and continues to clean 30min；
(2) carbon fiber cleaned is placed under 85 DEG C of vacuum condition, dry 10h obtains dry carbon fiber；
(3) preparation of coating material: selection weighs raw material, and epoxy resin part, solvent, adhesive, clay, filler are mixed
Melting, temperature control at 120 DEG C, silica are uniformly put into the raw material of mixed melting state, grind 3h in the ball mill,
The revolving speed of ball mill is set as 3000r/min, and curing agent is added, is transferred in high speed disperser, and revolving speed is set as 5000r/min,
Jitter time is 40min, and coating material is promoted to be sufficiently formed homogenate, obtained coating material is kept the temperature at 90 DEG C spare；
(4) spray gun is used, the coating material being prepared is sprayed on the drying carbon fiber, first layer coating
Thickness control irradiates 30min at 30 μm under the action of ultraviolet light after coating, carry out the spraying of second layer coating material, thickness
Control irradiates 30min under the action of ultraviolet light again at 20 μm, will be fixed on frame-type coating device by the carbon fiber of coating
On, the coating of third layer coating is carried out, synchronizes at the uniform velocity blade coating and solidification, coating under being 4.0m/min in solidification transmission speed
Coating thickness is 10 μm.
(5) carbon fiber for completing coating, is put into high temperature furnace, when temperature reaches 5000 DEG C, is passed through third that ratio is 6:1
Alkane and argon gas mixed gas, being passed through the time is 12h, and blow-on takes out product, is down to room temperature naturally.
Wherein, the supersonic frequency of ultrasound condition described in step (1) is 80kHz, ultrasonic power 100W；Step (4) institute
The solidification stated are as follows: 150 DEG C are warming up to according to the speed of 1.5 DEG C/min, keeps 60min, it is then micro- after cooled to room temperature
Observe that the coating is uniform and compact, no microcrack.
Embodiment 3
A kind of wear-resistant carbon fiber coating layer includes the ingredient of following parts by weight: 40 parts of resins, 12 parts of solvents, 8 parts of adhesives,
10 parts of clays, 12 parts of silica, 8 parts of fillers, 10 parts of curing agent.
The resin is polyamide；The solvent is that acetone and water are formed according to the ratio of 10:3；Described
Adhesive is polyether sulfone；The clay is bentonite, montmorillonite is mixed according to 1:1；The anticorrosive packing is lamellar structure
Nano-graphene material；The curing agent is by polyamide and methyl hexahydro phthalic anhydride according to the ratio group of 3:1
At.
Additionally, it is provided a kind of coating method of wear-resistant carbon fiber coating layer, includes the following steps:
(1) dehydrated alcohol is added into carbon fiber and carries out 25min of cleaning under ultrasound condition, filtering is added again
Acetone continues to clean 1h, and filtering is added distilled water and continues to clean 25min；
(2) carbon fiber cleaned is placed under 80 DEG C of vacuum condition, dry 8h obtains dry carbon fiber；
(3) preparation of coating material: selection weighs raw material, and epoxy resin part, solvent, adhesive, clay, filler are mixed
Melting, temperature control at 110 DEG C, silica are uniformly put into the raw material of mixed melting state, grind 2h in the ball mill,
The revolving speed of ball mill is set as 2500r/min, and curing agent is added, is transferred in high speed disperser, and revolving speed is set as 4000r/min,
Jitter time is 30min, and coating material is promoted to be sufficiently formed homogenate, obtained coating material is kept the temperature at 85 DEG C spare；
(4) spray gun is used, the coating material being prepared is sprayed on the drying carbon fiber, first layer coating
Thickness control irradiates 25min at 20 μm under the action of ultraviolet light after coating, carry out the spraying of second layer coating material, thickness
Control irradiates 25min under the action of ultraviolet light again at 15 μm, will be fixed on frame-type coating device by the carbon fiber of coating
On, the coating of third layer coating is carried out, synchronizes at the uniform velocity blade coating and solidification, coating under being 3.0m/min in solidification transmission speed
Coating thickness is 8 μm.
(5) carbon fiber for completing coating, is put into high temperature furnace, when temperature reaches 4000 DEG C, is passed through third that ratio is 5:1
Alkane and argon gas mixed gas, being passed through the time is 10h, and blow-on takes out product, is down to room temperature naturally.
Wherein, the supersonic frequency of ultrasound condition described in step (1) is 70kHz, ultrasonic power 90W；Step (4) is described
Solidification are as follows: be warming up to 130 DEG C according to the speed of 1.5 DEG C/min, keep 40min, then micro- sight after cooled to room temperature
Observe that the coating is uniform and compact, no microcrack.
Embodiment 4
A kind of wear-resistant carbon fiber coating layer includes the ingredient of following parts by weight: 40 parts of resins, 15 parts of solvents, 10 parts of bondings
Agent, 15 parts of clays, 10 parts of silica, 8 parts of fillers, 10 parts of curing agent.
The resin is polyamide；The solvent is that acetone and water are formed according to the ratio of 10:3；Described
Adhesive is polyether sulfone；The clay is bentonite, montmorillonite is mixed according to 1:1；The filler is receiving for lamellar structure
Rice grapheme material；The curing agent is made of polyamide and methyl hexahydro phthalic anhydride according to the ratio of 3:1.
Additionally, it is provided a kind of coating method of wear-resistant carbon fiber coating layer, includes the following steps:
(1) dehydrated alcohol is added into carbon fiber and carries out 25min of cleaning under ultrasound condition, filtering is added again
Acetone continues to clean 1h, and filtering is added distilled water and continues to clean 25min；
(2) carbon fiber cleaned is placed under 80 DEG C of vacuum condition, dry 8h obtains dry carbon fiber；
(3) preparation of coating material: selection weighs raw material, and epoxy resin part, solvent, adhesive, clay, filler are mixed
Melting, temperature control at 110 DEG C, silica are uniformly put into the raw material of mixed melting state, grind 2h in the ball mill,
The revolving speed of ball mill is set as 2500r/min, and curing agent is added, is transferred in high speed disperser, and revolving speed is set as 4000r/min,
Jitter time is 30min, and coating material is promoted to be sufficiently formed homogenate, obtained coating material is kept the temperature at 85 DEG C spare；
(4) spray gun is used, the coating material being prepared is sprayed on the drying carbon fiber, first layer coating
Thickness control irradiates 25min at 20 μm under the action of ultraviolet light after coating, carry out the spraying of second layer coating material, thickness
Control irradiates 25min under the action of ultraviolet light again at 15 μm, will be fixed on frame-type coating device by the carbon fiber of coating
On, the coating of third layer coating is carried out, synchronizes at the uniform velocity blade coating and solidification, coating under being 3.0m/min in solidification transmission speed
Coating thickness is 8 μm.
(5) carbon fiber for completing coating, is put into high temperature furnace, when temperature reaches 4000 DEG C, is passed through third that ratio is 5:1
Alkane and argon gas mixed gas, being passed through the time is 10h, and blow-on takes out product, is down to room temperature naturally.
Wherein, the supersonic frequency of ultrasound condition described in step (1) is 70kHz, ultrasonic power 90W；Step (4) is described
Solidification are as follows: be warming up to 130 DEG C according to the speed of 1.5 DEG C/min, keep 40min, then micro- sight after cooled to room temperature
Observe that the coating is uniform and compact, no microcrack.
Embodiment 5
A kind of wear-resistant carbon fiber coating layer includes the ingredient of following parts by weight: 40 parts of resins, 12 parts of solvents, 8 parts of adhesives,
10 parts of clays, 12 parts of silica, 8 parts of fillers, 10 parts of curing agent.
The resin is polyamide；The solvent is that acetone and water are formed according to the ratio of 10:3；Described
Adhesive is polyether sulfone；The clay is bentonite, montmorillonite is mixed according to 1:1；The filler is receiving for lamellar structure
Rice grapheme material；The curing agent is made of polyamide and methyl hexahydro phthalic anhydride according to the ratio of 3:1.
Additionally, it is provided a kind of coating method of wear-resistant carbon fiber coating layer, includes the following steps:
(1) dehydrated alcohol is added into carbon fiber and carries out 25min of cleaning under ultrasound condition, filtering is added again
Acetone continues to clean 1h, and filtering is added distilled water and continues to clean 25min；
(2) carbon fiber cleaned is placed under 80 DEG C of vacuum condition, dry 8h obtains dry carbon fiber；
(3) preparation of coating material: selection weighs raw material, and epoxy resin part, solvent, adhesive, clay, filler are mixed
Melting, temperature control at 110 DEG C, silica are uniformly put into the raw material of mixed melting state, mix well coating material,
Obtained coating material is kept the temperature at 85 DEG C spare；
(4) spray gun is used, the coating material being prepared is sprayed on the drying carbon fiber, first layer coating
Thickness control irradiates 25min at 20 μm under the action of ultraviolet light after coating, carry out the spraying of second layer coating material, thickness
Control irradiates 25min under the action of ultraviolet light again at 15 μm, will be fixed on frame-type coating device by the carbon fiber of coating
On, the coating of third layer coating is carried out, synchronizes at the uniform velocity blade coating and solidification, coating under being 3.0m/min in solidification transmission speed
Coating thickness is 8 μm.
(5) carbon fiber for completing coating, is put into high temperature furnace, when temperature reaches 4000 DEG C, is passed through third that ratio is 5:1
Alkane and argon gas mixed gas, being passed through the time is 10h, and blow-on takes out product, is down to room temperature naturally.
Wherein, the supersonic frequency of ultrasound condition described in step (1) is 70kHz, ultrasonic power 90W；Step (4) is described
Solidification are as follows: be warming up to 130 DEG C according to the speed of 1.5 DEG C/min, keep 40min, then micro- sight after cooled to room temperature
Observe that coating is uneven, there are the phenomenon of particle protrusion, no microcrack.
Embodiment 6
A kind of wear-resistant carbon fiber coating layer includes the ingredient of following parts by weight: 40 parts of resins, 12 parts of solvents, 8 parts of adhesives,
10 parts of clays, 12 parts of silica, 8 parts of fillers, 10 parts of curing agent.
The resin is polyamide；The solvent is that acetone and water are formed according to the ratio of 10:3；Described
Adhesive is polyether sulfone；The clay is bentonite, montmorillonite is mixed according to 1:1；The anticorrosive packing is lamellar structure
Nano-graphene material；The curing agent is by polyamide and methyl hexahydro phthalic anhydride according to the ratio group of 3:1
At.
Additionally, it is provided a kind of coating method of wear-resistant carbon fiber coating layer, includes the following steps:
(1) dehydrated alcohol is added into carbon fiber and carries out 25min of cleaning under ultrasound condition, filtering is added again
Acetone continues to clean 1h, and filtering is added distilled water and continues to clean 25min；
(2) carbon fiber cleaned is placed under 80 DEG C of vacuum condition, dry 8h obtains dry carbon fiber；
(3) preparation of coating material: selection weighs raw material, and epoxy resin part, solvent, adhesive, clay, filler are mixed
Melting, temperature control at 110 DEG C, silica are uniformly put into the raw material of mixed melting state, grind 2h in the ball mill,
The revolving speed of ball mill is set as 2500r/min, and curing agent is added, is transferred in high speed disperser, and revolving speed is set as 4000r/min,
Jitter time is 30min, and coating material is promoted to be sufficiently formed homogenate, obtained coating material is kept the temperature at 85 DEG C spare；
(4) spray gun is used, the coating material being prepared is sprayed on the drying carbon fiber, first layer coating
Thickness control, which is directly heated at 20 μm, after coating to 130 DEG C, to be solidified, and identical method repetitive coatings operate 3 times.
(5) carbon fiber for completing coating, is put into high temperature furnace, when temperature reaches 4000 DEG C, is passed through third that ratio is 5:1
Alkane and argon gas mixed gas, being passed through the time is 10h, and blow-on takes out product, is down to room temperature naturally.
Wherein, the supersonic frequency of ultrasound condition described in step (1) is 70kHz, ultrasonic power 90W；Step (4) is described
Solidification are as follows: be warming up to 130 DEG C according to the speed of 1.5 DEG C/min, keep 40min, then micro- sight after cooled to room temperature
It observes that the coating is uniform and compact, but slight microcrack occurs.
(1) according to the coating method of Examples 1 to 6, the carbon fiber of coating coating processing will not be made as a control group,
On the wheeled abrasive tester of MLS-225 type damp sand rubber, room temperature is controlled at 45~60 DEG C, chooses load 300N, revolving speed
250r/min, every 60min are a mill journey, and each test takes and tests three times, takes its average value, calculate abrasion loss, bond strength and
Voidage record such as the following table 1.
Table 1
By the data analysis of table 1 it is found that from Examples 1 to 3, coating prepared by the present invention simultaneously combines coating of the invention
Method so that the bond strength of carbon fiber coating layer and carbon fiber is high, and then when wear test, is shown good wear-resistant
Harm is used, and coating material passes through the effect of ball mill and dispersion machine, and particle is smaller, increases the uniform adhesion of coating material,
Porosity is lower, can effectively delay to corrode particle and enters coating, so that coating is less prone to delamination in synthesis, but embodiment 4
In be not added with filler, 5 floating coat of embodiment is prepared as direct mixed melting, in embodiment 6 coating method be directly apply repeatedly
It covers 3 times, and solidifies simply, find out embodiment 4~6 because of coating material, coating material preparation, the coating of coating material from 1 section of table
The change of method, so that the abrasion loss of obtained carbon fiber coating layer, porosity are higher than Examples 1 to 3, bond strength is than implementing
Example 1~3 it is low, in addition, carbon fiber surface reveals high abrasion loss, gap compared with the control group of uncoated carbon fiber coating layer
Rate is high, and the bond strength of carbon fiber surface is low, therefore, preparation of the present invention from the material, carbon fiber coating layer of carbon fiber coating layer, carbon
It optimizes, has the function that in synthesis significant wear-resistant in terms of the coating method of fiber coat.
(2) by the carbon fiber according to the coating coating processing of Examples 1 to 6 and the carbon fiber without coating coating processing
Be immersed in pH be 2 acidic environment in, it is another test by according to the carbon fiber of the coating coating processing of Examples 1 to 6 and without
The carbon fiber for crossing coating coating processing is immersed in the alkaline environment that pH is 8.5, electric and magnetic oscillation 2h, as a result record such as the following table 2.
Table 2
| Group | Acidic environment | Alkaline environment |
| Embodiment 1 | Coating uniform, no fine fisssure, no delamination | Coating uniform, no fine fisssure, no delamination |
| Embodiment 2 | Coating uniform, no fine fisssure, no delamination | Coating uniform, no fine fisssure, no delamination |
| Embodiment 3 | Coating uniform, no fine fisssure, no delamination | Coating uniform, no fine fisssure, no delamination |
| Embodiment 4 | Coating uniform has fine fisssure, there is delamination | Coating is uneven, there is fine fisssure, there is delamination |
| Embodiment 5 | Coating is uneven, there is fine fisssure, there is delamination | Coating is uneven, there is fine fisssure, there is delamination |
| Embodiment 6 | Coating is uneven, there is fine fisssure, there is delamination | Coating is uneven, there is fine fisssure, there is delamination |
| Control group | It is uncoated, rough surface | It is uncoated, rough surface |
As shown in Table 2, it can analyze out the carbon fiber Jing Guo carbon fiber coating layer coating processing of the invention from Examples 1 to 3
Dimension, after acid or alkali environment is handled, coating uniform, no fine fisssure, no delamination illustrates that the cohesive force of coating is good, has certain anti-
Chemical attack effect, and there is different degrees of fine fisssure in embodiment 4~6, delamination, the carbon fiber of control group is without by coating
Processing, rough surface, extent of corrosion are high.
In synthesis, the bonding force between carbon fiber coating layer material of the invention is strong, and firm painting can be formed on carbon fiber
Layer, the coating made are less prone to delamination, and can effectively delay to corrode the speed that particle enters coating, show resist chemical
Functional, wear-resistant effect is significant.
Above embodiments only illustrate embodiment of the present invention, and there is no have limitation in any form to the present invention；Appoint
What is engaged in professional and technical personnel, all has the ability to make some changes or modification using the technology contents disclosed, becomes equivalent
The equivalent embodiment of variation carries out simple modification, equivalent change and modification to the present invention, belongs to according to the technical essence of the invention
In the range of technical solution of the present invention.
Claims (10)
1. a kind of wear-resistant carbon fiber coating layer, which is characterized in that the composition of coating includes the ingredient of following parts by weight: 35~45 parts
Resin, 10~15 parts of solvents, 2~10 parts of adhesives, 4~20 parts of clays, 10~18 parts of silica, 2~10 parts of fillers, 6~
15 parts of curing agent.
2. wear-resistant carbon fiber coating layer according to claim 1, which is characterized in that the resin is epoxy resin, phenol
One of urea formaldehyde, polyamide are a variety of.
3. wear-resistant carbon fiber coating layer according to claim 1, which is characterized in that the solvent be acetone and water according to
The ratio of 8~12:1~5 forms.
4. wear-resistant carbon fiber coating layer according to claim 1, which is characterized in that the adhesive is polyether sulfone.
5. wear-resistant carbon fiber coating layer according to claim 1, which is characterized in that the clay is bentonite, illiteracy is de-
The mixing of one or both of soil.
6. wear-resistant carbon fiber coating layer according to claim 1, which is characterized in that the filler is lamellar structure material
The mixing of one or both of material, spherical structure material.
7. wear-resistant carbon fiber coating layer according to claim 1, which is characterized in that the curing agent is by polyamide and first
Base hexahydro phthalic anhydride is formed according to the ratio of 1~5:1~2.
8. a kind of coating method of wear-resistant carbon fiber coating layer, which comprises the steps of:
(1) dehydrated alcohol is added into carbon fiber and carries out 20~30min of cleaning under ultrasound condition, filtering is added again
Acetone continues 1~2h of cleaning, filtering, and distilled water is added and continues 20~30min of cleaning；
(2) carbon fiber cleaned is placed under 75~85 DEG C of vacuum condition, dry 6~10h obtains dry carbon fiber；
(3) preparation of coating material；
(4) coating and curing method of coating: using spray gun, and the coating material being prepared is sprayed on to the drying carbon fiber
In dimension, 20~30min is irradiated after coating under the action of ultraviolet light, the spraying of second layer coating material is carried out, again ultraviolet
20~30min is irradiated under the action of line, will be fixed on frame-type coating device by the carbon fiber of coating, is carried out third layer coating
Coating, solidification transmission speed be 2.0~4.0m/min under synchronize at the uniform velocity blade coating and solidification, coating coating thickness be 5
~10 μm.
(5) carbon fiber for completing coating, is put into high temperature furnace, and when temperature reaches 3000~5000 DEG C, being passed through ratio is 4~6:
1 propane and argon gas mixed gas, being passed through the time is 10~12h, and blow-on takes out product, is down to room temperature naturally.
9. coating method according to claim 7, which is characterized in that the supersonic frequency of ultrasound condition described in step (1)
For 60~80kHz, ultrasonic power is 80~100W.
10. coating method according to claim 7, which is characterized in that solidification described in step (4) are as follows: according to 1~1.5
DEG C/speed of min is warming up to 120~150 DEG C, 30~60min is kept, then cooled to room temperature.
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Application publication date: 20190702 |