CN108047841A - A kind of automotive hub spraying priming paint and preparation method thereof - Google Patents
A kind of automotive hub spraying priming paint and preparation method thereof Download PDFInfo
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- CN108047841A CN108047841A CN201711229360.9A CN201711229360A CN108047841A CN 108047841 A CN108047841 A CN 108047841A CN 201711229360 A CN201711229360 A CN 201711229360A CN 108047841 A CN108047841 A CN 108047841A
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
-
- 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
- B05D3/0263—After-treatment with IR heaters
-
- 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
- B05D7/546—No clear coat specified each layer being cured, at least partially, separately
-
- 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
- C09D5/002—Priming paints
-
- 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
- B05D2502/00—Acrylic polymers
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
A kind of automotive hub spraying priming paint is related to automotive hub processing technical field, as mass fraction：Including 0.3 1 parts of graphene, 33 46 parts of thermoplastic acrylic resin, 10 20 parts of titanium dioxide, 0.1 0.5 parts of graphene dispersion agent, 0.5 3 parts of divided titanium dioxide powder, 0.1 0.5 parts of auxiliary agent, 29 56 parts of solvent, priming paint prepared by the present invention, the adhesive force of priming paint and finishing coat and wheel hub can be enhanced, the combination of finishing coat and wheel hub is helped to improve, so as to play the role of enhancing finishing coat adhesive force.
Description
Technical field：
The present invention relates to automotive hub process technical field, and in particular to a kind of automotive hub spraying priming paint and its
Preparation method.
Background technology：
With the development of automotive industry, the yield of motor vehicle increases and ownership increases, and is driving economic development and is giving
People's trip is brought convenience.
Wheel hub is essential component on automobile, and performance quality is directly related to the degree of operating steadily and safety of vehicle
Performance, but at present some wheels wheel hub there are impact resistant capability it is not strong the problem of.
Aluminium alloy wheel hub is by machining etc. after the completion of critical processes, it is contemplated that aluminium alloy wheel hub item in actual use
Part is poor, in order to reduce the loss that aluminium alloy aoxidizes in air and wheel hub is worn, so to the coating performance after application
There is higher requirement, at present the technology modes for taking spray paint in wheel hub industry more.
Application is last procedure of automotive hub production, and the purpose is to improve the corrosion resistance of automotive hub and U.S.
Sense.At present, in the application to automotive hub, coating process is often complex, complex steps, expends larger manpower object
Power.
The coating process of existing aluminium alloy automobile hub, production procedure substantially are：Material grinds → pre-treatment
→ the body that dusts → powder grinding → secondary pre-treatment → color spray paint → spray colored varnish → finished product completes packaging, traditional coating process
Step is complicated, and painting effect is poor, and application end properties are general, it is impossible to meet use demand.
The content of the invention：
The present invention provides a kind of adhesive force that can enhance priming paint and finishing coat and wheel hub, helps to overcome drawbacks described above
In the combination for improving finishing coat and wheel hub, so as to play the role of enhancing a kind of automotive hub spraying priming paint of finishing coat adhesive force.
A kind of automotive hub spraying priming paint, as mass fraction：Including 0.3-1 parts of graphene, thermoplastic acrylic tree
33-46 parts of fat, 10-20 parts of titanium dioxide, 0.1-0.5 parts of graphene dispersion agent, 0.5-3 parts of divided titanium dioxide powder, auxiliary agent 0.1-0.5
Part, 29-56 parts of solvent.
Preferably, as mass fraction, including 0.6 part of graphene, 40 parts of thermoplastic acrylic resin, 18 parts of titanium dioxide,
0.6 part of graphene dispersion agent, 0.9 part of divided titanium dioxide powder, 0.2 part of auxiliary agent, 39.6 parts of solvent.
The graphene dispersion agent be BYK9076, BYK161, WinSperse3204, Lubrizol 13240,
One or both of Lubrizol V360, S4010B are above with the compound dispersant of arbitrary proportion, preferably BYK9076.
The divided titanium dioxide powder be BYK-163, BYK-P104, WinSperse3110, Lubrizol 26000,
One or both of Lubrizol 36600 or two or more is with the compound dispersant of arbitrary proportion, preferably BYK-163.It is above-mentioned
Each model graphene dispersion agent and divided titanium dioxide powder, it is on sale in market.
The auxiliary agent includes antifoaming agent and/or levelling agent.
Preferably, the auxiliary agent is antifoaming agent and levelling agent with the mixing of arbitrary proportion, it is further preferred that antifoaming agent with
The mass ratio of levelling agent is 2：1.
The antifoaming agent is one or both of Silok4084, BYK1788, BYK052 or two or more arbitrarily to compare
The compound antifoaming agent of example, preferably BYK052；
The levelling agent is one or both of Silok8358, BYK354, BYK361 or two or more with arbitrary proportion
Compound levelling agent, preferably BYK354.The antifoaming agent and levelling agent of above-mentioned each model, it is on sale in market.
The solvent includes dimethylbenzene, toluene, butyl acetate and its mixture, preferably dimethylbenzene.
The number of plies of the graphene is 1-4 layers, and the specific surface area that measures of nitrogen adsorption be more than or equal to 400 square metres/
Gram.
The graphene is the form of powder, dispersion liquid or slurry.
The piece footpath of the graphene is greater than or equal to 10 microns, preferably at 10-20 microns.
The graphene is 1500~2500mL/100g by the oil factor that DBP hairs measure.
The present invention also provides a kind of preparation method of automotive hub spraying priming paint, including：
Thermoplastic acrylic resin is diluted using solvent；
Graphene dispersion agent and graphene are added in, is disperseed；
Divided titanium dioxide powder and titanium dioxide are added in, continues to disperse；
Auxiliary agent is added in, the priming paint is made.
Further, process for dispersing used in preparation process includes but not limited to high-speed stirred and disperses, grinding distribution, three are sanded
One kind or combination that roller machine disperses；It is preferred that grinding distribution is sanded.
Further, specifically dispersing technology is twice：
Graphene dispersion agent and graphene are added in, to grind 0.5-4h under 2000-5000RPM, titanium dioxide is added and disperses
Agent and titanium dioxide, with 2000-5000RPM grinding 0.5-1 it is small when；It is further preferred that graphene dispersion agent and graphene are added in,
To grind 3h under 3000RPM, add divided titanium dioxide powder and titanium dioxide, with 3000RPM grindings 1 it is small when.
Further, the step of addition auxiliary agent includes：When mixed liquor Hegman fineness grind is less than or equal to 15 μm, add
Enter auxiliary agent.
Further, further include：Continue to disperse about 10 minutes after auxiliary agent is added in, prepare the priming paint.
Preferably, further include：Continue to be uniformly dispersed after auxiliary agent is added in, prepare the priming paint；Preferably, the addition
After auxiliary agent 5-10min is ground under the rotating speed of 1000-3000RPM.
The priming paint prepared using the above method, can enhance the adhesive force of priming paint and finishing coat and wheel hub, help to improve face
The combination of paint and wheel hub, so as to play the role of enhancing finishing coat adhesive force.
It is furthermore with the method that above-mentioned priming paint sprays wheel hub：
A kind of automotive hub coating process, specific steps include：
(1) pre- degreasing：The metal fillings and dust of hub surface are cleaned with hot water in rinsing bowl；
(2) degreasing：The grease and oxide-film of hub surface are removed by degreased cleaning agent, then is repeatedly washed with clear water
After dry up；
(3) electrophoresis：Electrophoretic paint is allocated, electrophoretic paint is uniformly mixed, wheel hub is loaded on electrophoresis hanging tool, spoke is immersed
It is maintained under electrophoretic paint liquid level, and by bolt hole and centre bore outside electrophoretic paint；
(4) clean：Ultrafiltration washing is carried out to the wheel hub after electrophoresis, washes out the electrophoretic paint of hub surface adherency；
(5) first drying：Hub surface is dried using 85 DEG C of hot winds, dries 3-5min；
(6) primer spray：Using small-bore spray gun spray-applied primer at twice, interval time is 10-20min twice, control the
One time spray pressure is 0.20-0.30MPa, and it is 0.25-0.35MPa, spray distance 5- to control second of spray pressure
10cm, angle makes choice according to the shape of product, after having sprayed, stands 15-18min；
(7) secondary drying：70 DEG C of infra-red drying 11-15min are used to wheel hub；
(8) paint：Using electrostatic powder coating, powdery paints is equably sprayed on the surface of wheel hub；
(9) dry three times：The wheel hub sprayed is subjected to curing drying, drying temperature is 200-220 DEG C, then will be cured
Wheel hub after drying natural cooling at normal temperatures；
(10) polishing treatment：High speed polishing is carried out than painting low hairbrush using hardness, coating process terminates after the completion of polishing；
Hot water temperature in wherein above-mentioned pre- skimming processes is controlled between 60-85 DEG C；
The concentration of degreasing cleaning fluid in skimming processes is 30-40%；
Further, above-mentioned degreasing cleaning fluid is prepared from the following components：200-400 parts of clear water, sodium gluconate
10-30 parts, 10-15 parts of methacrylic acid, 5-8 parts of stabilizer, 1-5 parts of dehydroactic acid sodium, 6-10 parts of pearling agent, three sodium polysilicates
10-14 parts, 10-20 parts of vitamin C, 10-15 parts of vitamin E, 8-10 parts light green, 5-10 parts of triethanolamine, amino acid 8-12
Part, 3-5 parts of haw juice, active 1-3 parts of powdered carbon；
Wherein active powdered carbon is before use by microwave treatment, and microwave frequency is 10-15GHz, processing time 10- during processing
15S；
The preparation method of above-mentioned degreasing cleaning fluid is：
(1) clear water is warming up to 50-55 DEG C in a kettle, adds in vitamin C, vitamin E, light green, haw juice stirring
Uniformly after maintain temperature at 50-55 DEG C, be sealed 1-1.5 it is small when；
(2) after sodium gluconate, methacrylic acid, stabilizer, dehydroactic acid sodium, pearling agent, three sodium polysilicates being mixed
It adds in reaction kettle and stirs evenly, temperature of reaction kettle is then risen to 60-70 DEG C, at the uniform velocity stir 10-15 minutes, mixing speed
It is set as 300 revs/min；
(3) triethanolamine with amino acid is mixed and pours nitrogen, nitrogen charging is taken out after 3-5 minutes, and is added to reaction kettle
In, it stirs evenly rear constant temperature and stands 10-30 minutes；
(4) active powdered carbon is added in reaction kettle and stirred, keep during stirring temperature in reaction kettle 30-50 DEG C it
Between, stand 30 minutes after stirring evenly；
Vitamin C, vitamin E in above-mentioned steps 1, it is light green, with haw juice by filtered through gauze, gauze is with double during filtering
Oxygen water saturates；
Stabilizer in above-mentioned steps 2 using magnesium stearate, stearic acid file, aluminum stearate, one kind in potassium stearate or
At least two composition；
When pouring nitrogen in above-mentioned steps 3, the end of nitrogen input channel is placed on triethanolamine and is mixed with amino acid
The bottommost of liquid；
Above-mentioned degreasing cleaning fluid is by using the additive of the conventional cleaning agent of vitamin collocation and part functionalities to wheel
Hub is cleaned and handled so that the grease and dirt of hub surface sufficiently, can be decomposed quickly, so as to ensure that wheel hub
The degree of purity on surface adds the removal efficiency of grease.
Dusty material in above-mentioned steps (8), as mass fraction, is prepared from the following components：Ketimide 10-20
Part, 5-8 parts of sucrose fatty ester, 8-13 parts of Anhydrous Disodium Phosphate, 5-15 parts of potassium carbonate, 1-2 parts of pH adjusting agent, emulsifier
0.5-1.5 parts, 40-50 parts of deionized water, 15-25 parts of water-based emulsion, 3-6 parts of furane resins, 1-5 parts of ethyl acetate, silica gel 2-3
Part, 5-8 parts of ethyl alcohol, 1-3 parts of curing agent, 2-6 parts of boron nitride, 1-3 parts of calcium carbonate, 3-5 parts of tributyl citrate, isopropanol 1-2
Part, 0.1-1 parts of drier, 10-14 parts of diesel oil, 6-9 parts of rosin, 1-3 parts of sodium carboxymethylcellulose；
Wherein pH adjusting agent is acetic acid or lactic acid；
Emulsifier is one or both of alkyl imidazoline, OP-10 or phenethyl phenol polyethenoxy ether；
Water-based emulsion is the mixture of sulfolane, Arabic gum and deionized water, and wherein the mixed proportion of each component is 1：
2：5；
The preparation method of above-mentioned dusty material is：Include the following steps：
(1) by ketimide, sucrose fatty ester, Anhydrous Disodium Phosphate, potassium carbonate, 1/2 amount part pH conditioning agents, emulsification
Agent is added sequentially to, in feed basin, start stirring, stir half an hour under 900 revs/min, be uniformly dispersed, it is standby that premix object is made
With；
(2) deionized water and furane resins, ethyl acetate, silica gel, ethyl alcohol, curing agent, boron nitride, calcium carbonate are added to
In reaction kettle, start stirring, (1) premix be slowly added under 600 revs/min, continue after adding stirring 1 it is small when；
(3) then add in diesel oil, rosin, sodium carboxymethylcellulose continue to stir 0.5-0.8 it is small when；
(4) reaction kettle is added to after tributyl citrate, isopropanol and drier being warming up to 55 DEG C again after the completion of stirring
In continue stirring 1 it is small when；
(5) water-based emulsion is added in reaction kettle, is stirred evenly under 200 revs/min；
(6) pH value is adjusted with remaining 1/2 amount part pH adjusting agent, control ph 5.0-5.2 is stirred after pH value qualification equal
It is even both to obtain.
Dusty material prepared by the above method can increase lacquer painting shaping and drying speed, promote the protection of enamelled coating and maintenance effect
Fruit；And it can cure at low ambient temperatures, the application applied to automotive hub；With good paint stability, gained
Paint film flat smooth.
All have on overall performance by the wheel hub of above-mentioned whole set process application and promoted well；In order to more intuitively
Influence of the coating process to wheel hub is shown, following detection is carried out to the wheel hub Jing Guo this law application, and is carried out with market wheel hub
Then experimental result is counted as follows by comparison：
Wheel hub is divided into three groups during detection, 10 wheel hubs of every group of selection are respectively adopted the above method and carry out application, after application
It is detected, every group is averaged and is counted
By the statistics of upper table experimental data as can be seen that method provided by the invention is conducive to the application effect of wheel hub
The wear-resisting property of hub surface is promoted, enhances the adhesive force between finishing coat and wheel hub, and the flatness of finishing coat, smoothness are all
Have and significantly promoted, be conducive to the enhancing of overall wear resistance energy, improve the quality and service life of wheel hub.
The beneficial effects of the invention are as follows：The dusty material prepared using this method can increase lacquer painting shaping and drying speed,
Promote protection and the maintenance effect of enamelled coating；And it can cure at low ambient temperatures, the application applied to automotive hub；With good
Good paint stability, the paint film flat smooth of gained.
Specific embodiment：
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific example is closed, the present invention is further explained.
Embodiment 1：A kind of automotive hub spraying priming paint, as mass fraction：Including 0.3 part of graphene, thermoplasticity third
33 parts of olefin(e) acid resin, 10 parts of titanium dioxide, BYK-1630.5 parts of divided titanium dioxide powder, disappear at BYK90760.1 parts of graphene dispersion agent
0.1 part of infusion, 29 parts of dimethylbenzene.
A kind of preparation method of automotive hub spraying priming paint, including：
Thermoplastic acrylic resin is diluted using dimethylbenzene；
Graphene dispersion agent and graphene are added in, is disperseed；
Divided titanium dioxide powder and titanium dioxide are added in, continues to disperse；
Antifoaming agent is added in, the priming paint is made.
Embodiment 2：A kind of automotive hub spraying priming paint, as mass fraction：Including 1 part of graphene, thermoplastic propene
46 parts of acid resin, 20 parts of titanium dioxide, BYK1610.5 parts of graphene dispersion agent, BYK-P1043 parts of divided titanium dioxide powder, levelling agent
0.5 part, 56 parts of dimethylbenzene.
A kind of preparation method of automotive hub spraying priming paint, including：
Thermoplastic acrylic resin is diluted using dimethylbenzene；
Graphene dispersion agent and graphene are added in, is disperseed；
Divided titanium dioxide powder and titanium dioxide are added in, continues to disperse；
Levelling agent is added in, the priming paint is made.
Embodiment 3：A kind of automotive hub spraying priming paint, as mass fraction：Including 0.5 part of graphene, thermoplasticity third
40 parts of olefin(e) acid resin, 15 parts of titanium dioxide, WinSperse32040.3 parts of graphene dispersion agent, divided titanium dioxide powder Lubrizol
366002 parts, 0.3 part of levelling agent, 40 parts of dimethylbenzene.
A kind of preparation method of automotive hub spraying priming paint, including：
Thermoplastic acrylic resin is diluted using dimethylbenzene；
Graphene dispersion agent and graphene are added in, is disperseed；
Divided titanium dioxide powder and titanium dioxide are added in, continues to disperse；
Levelling agent is added in, the priming paint is made.
Comparative example 1：
A kind of automotive hub spraying priming paint, as mass fraction：Including 2 parts of graphene, thermoplastic acrylic resin 60
Part, 8 parts of titanium dioxide, 0.3 part of antifoaming agent, 20 parts of dimethylbenzene.
A kind of preparation method of automotive hub spraying priming paint, including：
Thermoplastic acrylic resin is diluted using dimethylbenzene；
Graphene is added in, is disperseed；
Titanium dioxide is added in, continues to disperse；
Antifoaming agent is added in, the priming paint is made.
Comparative example 2：
A kind of automotive hub spraying priming paint, as mass fraction：Including 1 part of graphene, 0.6 part of graphene dispersion agent,
0.3 part of antifoaming agent, 50 parts of dimethylbenzene.
A kind of preparation method of automotive hub spraying priming paint, including：
Thermoplastic acrylic resin is diluted using dimethylbenzene；
Graphene dispersion agent and graphene are added in, is disperseed；
Antifoaming agent is added in, the priming paint is made.
In order to more intuitively show influence of the coating process to wheel hub, embodiment 1-3 and comparative example 1-2 is provided
Powdery paints carry out the wheel hub of application and carry out following detection, experimental result is then counted as follows：
By the statistics of upper table experimental data as can be seen that method provided by the invention is conducive to the application effect of wheel hub
The wear-resisting property of hub surface is promoted, enhances the adhesive force between finishing coat and wheel hub, and the flatness of finishing coat, smoothness are all
Have and significantly promoted, be conducive to the enhancing of overall wear resistance energy, improve the quality and service life of wheel hub.
The basic principles, main features and the advantages of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of automotive hub spraying priming paint, it is characterised in that：As mass fraction：Including 0.3-1 parts of graphene, thermoplasticity
33-46 parts of acrylic resin, 10-20 parts of titanium dioxide, 0.5-3 parts of divided titanium dioxide powder, help 0.1-0.5 parts of graphene dispersion agent
0.1-0.5 parts of agent, 29-56 parts of solvent.
2. a kind of automotive hub spraying priming paint according to claim 1, it is characterised in that：As mass fraction：Each group
Point preferred embodiment be：0.6 part of graphene, 40 parts of thermoplastic acrylic resin, 18 parts of titanium dioxide, 0.6 part of graphene dispersion agent,
0.9 part of divided titanium dioxide powder, 0.2 part of auxiliary agent, 39.6 parts of solvent.
3. a kind of automotive hub spraying priming paint according to claim 1, it is characterised in that：The number of plies of the graphene is
1-4 layers.
4. a kind of preparation method of automotive hub spraying priming paint, it is characterised in that：Thermoplastic acrylic tree is diluted using solvent
Fat；Graphene dispersion agent and graphene are added in, is disperseed；Divided titanium dioxide powder and titanium dioxide are added in, continues to disperse；Addition helps
The priming paint is made in agent.
5. a kind of preparation method of automotive hub spraying priming paint according to claim 4, it is characterised in that：Preparation process
Process for dispersing used includes but not limited to high-speed stirred and disperses, grinding distribution, one kind that three-roller disperses or combination is sanded.
6. a kind of preparation method of automotive hub spraying priming paint according to claim 4, it is characterised in that：Body divides twice
Day labor skill is：Graphene dispersion agent and graphene are added in, to grind 0.5-4h under 2000-5000RPM, titanium dioxide is added and disperses
Agent and titanium dioxide, with 2000-5000RPM grinding 0.5-1 it is small when；It is further preferred that graphene dispersion agent and graphene are added in,
To grind 3h under 3000RPM, add divided titanium dioxide powder and titanium dioxide, with 3000RPM grindings 1 it is small when.
7. a kind of preparation method of automotive hub spraying priming paint according to claim 4, it is characterised in that：The addition
The step of auxiliary agent, includes：When mixed liquor Hegman fineness grind is less than or equal to 15 μm, auxiliary agent is added in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711229360.9A CN108047841A (en) | 2017-11-29 | 2017-11-29 | A kind of automotive hub spraying priming paint and preparation method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107141918A (en) * | 2017-06-12 | 2017-09-08 | 常州第六元素材料科技股份有限公司 | The application of priming paint and preparation method thereof and the priming paint in as static conductive priming paint |
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2017
- 2017-11-29 CN CN201711229360.9A patent/CN108047841A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107141918A (en) * | 2017-06-12 | 2017-09-08 | 常州第六元素材料科技股份有限公司 | The application of priming paint and preparation method thereof and the priming paint in as static conductive priming paint |
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Application publication date: 20180518 |