CN104403397B - Carbon nano tube composite primer for vehicle and preparation and use methods thereof - Google Patents
Carbon nano tube composite primer for vehicle and preparation and use methods thereof Download PDFInfo
- Publication number
- CN104403397B CN104403397B CN201410692570.1A CN201410692570A CN104403397B CN 104403397 B CN104403397 B CN 104403397B CN 201410692570 A CN201410692570 A CN 201410692570A CN 104403397 B CN104403397 B CN 104403397B
- Authority
- CN
- China
- Prior art keywords
- cnt
- composite primer
- automobile
- primer
- composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 118
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 title claims description 19
- 239000002041 carbon nanotube Substances 0.000 title abstract 8
- 229910021393 carbon nanotube Inorganic materials 0.000 title abstract 8
- 239000003973 paint Substances 0.000 claims abstract description 72
- 239000011248 coating agent Substances 0.000 claims abstract description 49
- 238000000576 coating method Methods 0.000 claims abstract description 49
- 238000007590 electrostatic spraying Methods 0.000 claims abstract description 21
- 238000005507 spraying Methods 0.000 claims abstract description 21
- 239000002482 conductive additive Substances 0.000 claims abstract description 17
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 9
- 230000037452 priming Effects 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 6
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000002071 nanotube Substances 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 3
- 239000002048 multi walled nanotube Substances 0.000 claims description 3
- 239000002109 single walled nanotube Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000003068 static effect Effects 0.000 abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 21
- 235000010215 titanium dioxide Nutrition 0.000 description 15
- 239000000049 pigment Substances 0.000 description 8
- 239000004408 titanium dioxide Substances 0.000 description 7
- 239000006229 carbon black Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 239000000080 wetting agent Substances 0.000 description 2
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C09D5/24—Electrically-conducting 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
- 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
-
- 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
- B05D7/26—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 synthetic lacquers or varnishes
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The carbon nanotube composite primer for the vehicle comprises an automobile primer and carbon nanotubes uniformly dispersed in the automobile primer, wherein the mass percent concentration of the carbon nanotubes in the composite primer is 0.1-1.5 wt.%, and the surface resistance of a carbon nanotube composite coating formed by spraying the composite primer is 103–109Omega/□. When the carbon nanotube composite primer is used, the carbon nanotube composite primer is firstly sprayed on a non-metal part to obtain a carbon nanotube composite coating, and after the coating is dried, the composite coating is sprayed with finish paint in an electrostatic spraying mode. The design can meet the requirement of static spraying, the conductive additive is easy to disperse in the primer, the addition amount is small, the production cost is low, the interference of the color is weak, the operation is simple and easy, and the application is convenient.
Description
Technical field
The present invention relates to a kind of vehicle priming paint, more particularly to a kind of automobile-used CNT composite primer and its preparation, use
Method, it is particularly applicable to realize on nonmetallic parts on the basis of electrostatic spraying finish paint, mitigate the interference to basecoat color, and
Reduce cost.
Background technology
Automobile finish is the performance directly perceived of automotive quality, the expensive of high-end automobile finish, in order to improve finish paint
Service efficiency, electrostatic spraying is a kind of development trend for improving its service efficiency.Electrostatic spraying is to allow face using high-voltage electrostatic field
Paint is sprayed on specified component surface in the presence of electric field, and the utilization rate of finish paint can be made to be up to 50% -70%, and aerial spraying
Service efficiency just it is relatively low, typically only 20% -30%.Realize that electrostatic spraying needs parts conductive or static conductive, it is general to require
The surface resistance of parts is less than 109Ω/, metal material conduction is excellent, rather than metallic element is mostly insulating materials, face electricity
Resistance generally higher than 1014Ω/, therefore, nonmetallic parts to realize electrostatic spraying must be made into anti-static material or
Non-metal material surface spray resists quiet coating.Have been reported that addition conductive additive is nonmetallic to improve in nonmetallic parts
The electrical conductivity of material realizes electrostatic spraying, also has the coating for spraying one layer of static conductive in nonmetallic component surface to realize quiet
Electrospray, it is clear that the conductive dosage needed for nonmetallic component surface sprays one layer of static conductive coating is few, and cost is low, has more preferably
Market development prospect.
At present, the conductive agent applied to the face coat of nonmetallic parts is mainly conductive titanium white and carbon black, and these are led
Electric agent content in coating typically can be only achieved anlistatig effect in 10-30wt.%, and conductive titanium white density is about 4g/cm3,
And paint density typically about 1g/cm3, the different easily layerings of density, and more than 10wt.% carbon black, color of paint will be caused too
Deep, difficulty meets vehicle priming paint use requirement.
Chinese patent, application publication number is CN102277057A, and data of publication of application is special for the invention on December 14th, 2011
Profit application discloses a kind of conductive priming paint for plastic substrate electrostatic painting and preparation method thereof, and raw material includes thermoset acrylics tree
Fat 20-30, thermoplastic acrylic resin 10-20, conductive titanium dioxide pigment 20-40, carbon black pigment 0.3-2, dispersant 1-3, solvent
5-10, ground wetting agent 0.5-1, thermosetting acrylic resin, dispersant, 40-60wt% solvent, conductive titanium dioxide pigment, carbon
It is added to after mineral black agitation grinding in thermoplastic acrylic resin, ground wetting agent and remaining solvent, it is well mixed to produce
To conductive priming paint for plastic substrate electrostatic painting.Although the design has the advantages that electrostatic spraying can be realized, it still has
Following defect：
First, the conductive additive that the design is used is mainly conductive titanium dioxide pigment, and its density is about 4g/cm3, and paint
Density is typically about 1g/cm3, density is different to be easily layered, and causes conductive titanium dioxide pigment to be difficult to disperse in paint, it is difficult to which mixing is equal
It is even, operation difficulty is not only increased, and improve usage amount, it is necessary to which electrostatic could be realized by adding many conductive titanium dioxide pigments
Spraying, the unit price of conductive titanium dioxide pigment is higher in addition, and its production cost is higher.
Secondly, the design needs to use many conductive titanium dioxide pigments, very big to the Color influences of priming paint, the interference of color
Property is stronger, is unfavorable for the use of finish paint.
The content of the invention
The purpose of the present invention be overcome conductive additive present in prior art to be difficult to disperse in primers, addition compared with
Many, production cost is higher, and the defect that the interference of color is stronger is easily divided in primers with problem there is provided a kind of conductive additive
Dissipate, addition seldom, production cost is relatively low, the weaker automobile-used CNT composite primer of the interference of color and its preparation, makes
Use method.
To realize object above, technical solution of the invention is：A kind of automobile-used CNT composite primer, including vapour
Underbody paint and its conductive additive of internal doping；
The conductive additive is CNT, and the CNT is dispersed in vehicle paint base, and CNT exists
Mass percent concentration in composite primer is 0.1-1.5wt.%；
The surface resistance for the CNT composite coating that the composite primer is formed after spraying is 103–109Ω/□。
Mass percent concentration of the CNT in composite primer is 0.8wt.%；The composite primer is through spraying
The surface resistance of the CNT composite coating formed afterwards is 5 × 106Ω/□。
The CNT is single wall or multi-walled carbon nanotube；The vehicle paint base is epoxylite or acrylic compounds tree
Fat.
A kind of preparation method of above-mentioned automobile-used CNT composite primer, the preparation method comprises the following steps successively：
First CNT is added in vehicle paint base to obtain mixture, then scatter operation is carried out to the mixture so that
CNT is dispersed in vehicle paint base, and dispersed to can obtain described CNT composite primer afterwards, this is combined
The mass percent concentration of CNT is 0.1-1.5wt.% in priming paint, and the carbon nanometer that the composite primer is formed after spraying
The surface resistance of pipe composite coating is 103–109Ω/□。
The scatter operation refers to ultrasonic disperse or ball milling is scattered.
When the scatter operation is ultrasonic disperse, the size of ultrasonic wave is 20-25Hz, and ultrasonic time is 60min.
The state when CNT is added to vehicle paint base is powdered or slurry.
A kind of application method of above-mentioned automobile-used CNT composite primer, the application method comprises the following steps successively：
First described CNT composite primer is sprayed on non-metal workpiece to obtain CNT composite coating, treated
After CNT composite coating is dried, then to the composite coating spray paint by the way of electrostatic spraying, with nonmetallic zero
The electrostatic spraying of finish paint is realized on part.
The drying mode of the CNT composite coating is：1h is dried at 80 DEG C.
Compared with prior art, beneficial effects of the present invention are：
1st, in a kind of automobile-used CNT composite primer of the present invention and its preparation, application method, CNT is used as conduction
Additive is dispersed in CNT composite primer, now, and CNT can form three-dimensional conductive in composite primer
Network, can not only improve the electrical conductivity of composite primer, its surface resistance is met the requirement of electrostatic spraying, while can also improve multiple
The thermal conductivity of priming paint is closed, so as to improve the ageing resistace of composite primer.Therefore, the present invention can not only meet electrostatic spraying
Need, and ageing resistace is stronger.
2nd, in a kind of automobile-used CNT composite primer of the present invention and its preparation, application method, the density of CNT with
The density of vehicle paint base is very close to the density of CNT is about 1.4g/cm3, the general 1g/cm of density of vehicle paint base3, density
Close to can ensure that CNT be difficult in vehicle paint base layering, be easy to CNT dispersed in vehicle paint base,
So as on the basis of composite primer electric conductivity is improved, reduce the unit usage amount of CNT, this can not only reduce cost,
And it is avoided that interference of the excessive CNT to basecoat color.Therefore, not only conductive additive easily divides the present invention in primers
Scattered, addition is seldom, and production cost is relatively low, color interference is weaker.
3rd, in a kind of automobile-used CNT composite primer of the present invention and its preparation, application method, when preparing composite primer,
Only need to CNT being added in vehicle paint base, then carry out dispersed, step is few, operation is simple, can save
Substantial amounts of time and manpower.Therefore, the present invention is not only convenient for operation, and production cost is relatively low.
4th, in a kind of automobile-used CNT composite primer of the present invention and its preparation, application method, when using composite primer,
Composite primer need to be only sprayed on non-metal workpiece, the composite coating can be sprayed by the way of electrostatic spraying after re-dry
Paint, so as to improve the service efficiency of finish paint, not only operate simply, and the color of finish paint will not be interfered, applied
Scope is wider.Therefore, the present invention is not only operated simply, and is easy to application.
Brief description of the drawings
When Fig. 1 is that the mass percent concentration of CNT is 0.1wt.%, composite primer produced by the present invention is through spraying
The outward appearance picture of the CNT composite coating formed afterwards.
Fig. 2 is the scanned picture of CNT composite coating in Fig. 1.
When Fig. 3 is that the mass percent concentration of CNT is 1.5wt.%, composite primer produced by the present invention is through spraying
The scanned picture of the CNT composite coating formed afterwards.
Embodiment
Below in conjunction with brief description of the drawings, the present invention is further detailed explanation with embodiment.
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of automobile-used CNT composite primer, including vehicle paint base and its internal doping
Conductive additive；
The conductive additive is CNT, and the CNT is dispersed in vehicle paint base, and CNT exists
Mass percent concentration in composite primer is 0.1-1.5wt.%；
The surface resistance for the CNT composite coating that the composite primer is formed after spraying is 103–109Ω/□。
Mass percent concentration of the CNT in composite primer is 0.8wt.%；The composite primer is through spraying
The surface resistance of the CNT composite coating formed afterwards is 5 × 106Ω/□。
The CNT is single wall or multi-walled carbon nanotube；The vehicle paint base is epoxylite or acrylic compounds tree
Fat.
A kind of preparation method of above-mentioned automobile-used CNT composite primer, the preparation method comprises the following steps successively：
First CNT is added in vehicle paint base to obtain mixture, then scatter operation is carried out to the mixture so that
CNT is dispersed in vehicle paint base, and dispersed to can obtain described CNT composite primer afterwards, this is combined
The mass percent concentration of CNT is 0.1-1.5wt.% in priming paint, and the carbon nanometer that the composite primer is formed after spraying
The surface resistance of pipe composite coating is 103–109Ω/□。
The scatter operation refers to ultrasonic disperse or ball milling is scattered.
When the scatter operation is ultrasonic disperse, the size of ultrasonic wave is 20-25Hz, and ultrasonic time is 60min.
The state when CNT is added to vehicle paint base is powdered or slurry.
A kind of application method of above-mentioned automobile-used CNT composite primer, the application method comprises the following steps successively：
First described CNT composite primer is sprayed on non-metal workpiece to obtain CNT composite coating, treated
After CNT composite coating is dried, then to the composite coating spray paint by the way of electrostatic spraying, with nonmetallic zero
The electrostatic spraying of finish paint is realized on part.
The drying mode of the CNT composite coating is：1h is dried at 80 DEG C.
The principle of the present invention is described as follows：
At present, the conductive additive applied to the face coat of nonmetallic parts is mainly conductive titanium white and carbon black, this
The a little contents of conductive additive in primers typically can be only achieved anlistatig effect in 10-30wt.%, and usage amount is very big, no
It improve only production cost (especially conductive titanium white, its unit price is higher), more crucially excessive conductive additive can influence
The color of priming paint, so as to limit the color of the finish paint sprayed on priming paint, the color of finish paint has to push down the color ability of priming paint
It can use, greatly reduce its application.In addition, conductive titanium white density is about 4g/cm3, and priming paint density is typically about 1g/
cm3, density is different to be easily layered, and is caused conductive titanium white to be difficult to disperse in primers, it is difficult to well mixed, is not only increased operation difficult
Degree, and usage amount is improved, it is necessary to which electrostatic spraying could be realized by adding many conductive titanium whites, conductive titanium white is more, and its is right
The influence of basecoat color is bigger, and the interference of color is stronger, more can limit the use of finish paint.
To overcome disadvantages described above, the present invention provides a kind of automobile-used CNT composite primer and its preparation, application method, its
Core is that addition CNT is as conductive additive in primers, and after addition, CNT can be formed in composite primer
Three-dimensional conductive network, this kind of three-dimensional conductive network can not only improve the electrical conductivity of composite primer, its surface resistance is met electrostatic
The requirement of spraying, while the thermal conductivity of composite primer can also be improved, so as to improve the ageing resistace of composite primer.In addition, carbon
The density of nanotube is approached with priming paint density, CNT is difficult layering in primers, and this is easy to CNT in primers
Dispersed, more easy to be dispersed, the unit addition of CNT is fewer, and addition is fewer, more can reduce cost,
More it is avoided that the use of finish paint will not be hindered by also getting over to the formation interference of the color of priming paint, its color to finish paint will not after all
Formed and hindered.
Embodiment 1：
A kind of automobile-used CNT composite primer, including vehicle paint base and its conductive additive of internal doping；It is described to lead
Electric additive is CNT, and the CNT is dispersed in vehicle paint base, and matter of the CNT in composite primer
It is 0.1wt.% to measure percent concentration；The surface resistance for the CNT composite coating that the composite primer is formed after spraying is
109Ω/□。
A kind of preparation method of above-mentioned automobile-used CNT composite primer, the preparation method comprises the following steps successively：
First CNT is added in vehicle paint base to obtain mixture, then scatter operation is carried out so that CNT to the mixture
It is dispersed in vehicle paint base, it is dispersed to can obtain carbon in described CNT composite primer, the composite primer afterwards
The mass percent concentration of nanotube is 0.1wt.%.
A kind of application method of above-mentioned automobile-used CNT composite primer, the application method comprises the following steps successively：
First described CNT composite primer is sprayed on non-metal workpiece to obtain CNT composite coating (referring to Fig. 1),
After after the drying of CNT composite coating, the surface resistance that CNT composite coating is measured with sheet resistance instrument is 109Ω/,
Meet electrostatic spraying requirement, CNT composite coating surface is smooth, have no carbon in obvious clustered particles, display composite coating
Nanotube is well dispersed.CNT composite coating is observed with SEM, CNT is uniformly dispersed (Fig. 2), coating surface in coating
CNT is had no, then to the composite coating spray paint by the way of electrostatic spraying, so as to be realized on non-metal workpiece
The electrostatic spraying of finish paint.
Embodiment 2：
Substance be the same as Example 1, difference is：Mass percent of the CNT in composite primer is dense
Degree is 0.8wt.%；The surface resistance for the CNT composite coating that the composite primer is formed after spraying is 5 × 106Ω/□。
Embodiment 3：
Substance be the same as Example 1, difference is：Mass percent of the CNT in composite primer is dense
Degree is 1.5wt.%；The surface resistance for the CNT composite coating that the composite primer is formed after spraying is 103Ω/□.With
SEM observes CNT in CNT composite coating, coating and is uniformly dispersed (Fig. 3), and coating surface has no CNT.
Claims (8)
1. a kind of automobile-used CNT composite primer, including vehicle paint base and its conductive additive of internal doping, its feature exist
In：
The conductive additive is CNT, and the CNT is dispersed in vehicle paint base, and CNT is compound
Mass percent concentration in priming paint is 0.1-1.5 wt.%；
The surface resistance for the CNT composite coating that the composite primer is formed after spraying is 103–109Ω/, CNT
The color of composite coating is shallower than automobile finish；
The CNT is single wall or multi-walled carbon nanotube, and the vehicle paint base is epoxylite or acrylic resin,
The density of the CNT is 1.4 g/cm3, the density of vehicle paint base is 1 g/cm3；
The automobile-used CNT composite primer is prepared according to following step：First CNT is added in vehicle paint base to obtain
To mixture, then to the mixture carry out scatter operation so that CNT in vehicle paint base it is dispersed, it is dispersed after
The mass percent concentration that can obtain CNT in described CNT composite primer, the composite primer is 0.1-1.5
Wt.%, and the surface resistance of CNT composite coating that the composite primer is formed after spraying is 103–109 Ω/□。
2. a kind of automobile-used CNT composite primer according to claim 1, it is characterised in that：The CNT is multiple
The mass percent concentration closed in priming paint is 0.8 wt.%；The CNT composite coating that the composite primer is formed after spraying
Surface resistance be 5 × 106 Ω/□。
3. a kind of preparation method of the automobile-used CNT composite primer described in claim 1, it is characterised in that the preparation side
Method comprises the following steps successively：
First CNT is added in vehicle paint base to obtain mixture, then scatter operation is carried out so that carbon is received to the mixture
Mitron is dispersed in vehicle paint base, dispersed to can obtain described CNT composite primer, the composite primer afterwards
The mass percent concentration of middle CNT is 0.1-1.5 wt.%, and the CNT that the composite primer is formed after spraying is multiple
The surface resistance for closing coating is 103–109 Ω/□。
4. a kind of preparation method of automobile-used CNT composite primer according to claim 3, it is characterised in that：Described point
Scattered operation refers to ultrasonic disperse or ball milling is scattered.
5. a kind of preparation method of automobile-used CNT composite primer according to claim 4, it is characterised in that：Described point
When scattered operation is ultrasonic disperse, the size of ultrasonic wave is 20-25 Hz, and ultrasonic time is 60 min.
6. a kind of preparation method of automobile-used CNT composite primer according to claim 3, it is characterised in that：The carbon
State when nanotube is added to vehicle paint base is powdered or slurry.
7. a kind of application method of the automobile-used CNT composite primer described in claim 1, it is characterised in that the user
Method comprises the following steps successively：
First described CNT composite primer is sprayed on non-metal workpiece to obtain CNT composite coating, treats that carbon is received
After mitron composite coating is dried, then to the composite coating spray paint by the way of electrostatic spraying, with non-metal workpiece
Realize the electrostatic spraying of finish paint.
8. a kind of application method of automobile-used CNT composite primer according to claim 7, it is characterised in that：The carbon
The drying mode of nano-pipe composite coating layer is：1h is dried at 80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410692570.1A CN104403397B (en) | 2014-11-26 | 2014-11-26 | Carbon nano tube composite primer for vehicle and preparation and use methods thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410692570.1A CN104403397B (en) | 2014-11-26 | 2014-11-26 | Carbon nano tube composite primer for vehicle and preparation and use methods thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104403397A CN104403397A (en) | 2015-03-11 |
| CN104403397B true CN104403397B (en) | 2017-07-28 |
Family
ID=52641071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410692570.1A Active CN104403397B (en) | 2014-11-26 | 2014-11-26 | Carbon nano tube composite primer for vehicle and preparation and use methods thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104403397B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2765132C1 (en) * | 2020-11-30 | 2022-01-25 | МСД Текнолоджис С.а р.л. | Priming compound for creating a light conductive priming coating of a part prior to electrostatic colouring, method for preparing the priming compound, and priming coating |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106243941B (en) * | 2016-07-29 | 2018-08-07 | 东风商用车有限公司 | Carbon series conductive coating capable of spot welding and preparation method thereof |
| CN107573779A (en) * | 2017-09-27 | 2018-01-12 | 芜湖春风新材料有限公司 | A kind of CNT electrostatic spraying priming paint, preparation method and applications |
| CN115093741A (en) * | 2022-07-18 | 2022-09-23 | 常州光辉化工有限公司 | Carbon nanotube automobile coating self-repairing coating, coating and self-repairing method |
| TR2022014241A2 (en) * | 2022-09-14 | 2022-10-21 | Kanat Boyacilik Ticaret Ve Sanayi Anonim Sirketi | A SURFACE PRIMER WITH LIGHT COLOR AND ELECTRICAL CONDUCTIVITY FOR APPLICATION TO AUTOMOTIVE PLASTIC SURFACES |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3702288A (en) * | 1971-03-31 | 1972-11-07 | Du Pont | Process for finishing metal substrates by electrodepositing a primer composition and applying an acrylic organosol coating composition |
| CN103108923A (en) * | 2010-07-12 | 2013-05-15 | 韩华石油化学株式会社 | Conductive coating composition and method for manufacturing a conductive layer using same |
| CN103614031A (en) * | 2013-11-25 | 2014-03-05 | 漳州鑫展旺化工有限公司 | High-temperature automotive intermediate paint suitable for electrostatic spraying of automatic robots and preparation method thereof |
| CN104011141A (en) * | 2011-12-20 | 2014-08-27 | 昭和电工株式会社 | Resin molded body for electrostatic coating |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4663271B2 (en) * | 2004-08-05 | 2011-04-06 | 三菱レイヨン株式会社 | Color conductive primer composition, method for forming color conductive primer, and electrostatic coating method |
-
2014
- 2014-11-26 CN CN201410692570.1A patent/CN104403397B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3702288A (en) * | 1971-03-31 | 1972-11-07 | Du Pont | Process for finishing metal substrates by electrodepositing a primer composition and applying an acrylic organosol coating composition |
| CN103108923A (en) * | 2010-07-12 | 2013-05-15 | 韩华石油化学株式会社 | Conductive coating composition and method for manufacturing a conductive layer using same |
| CN104011141A (en) * | 2011-12-20 | 2014-08-27 | 昭和电工株式会社 | Resin molded body for electrostatic coating |
| CN103614031A (en) * | 2013-11-25 | 2014-03-05 | 漳州鑫展旺化工有限公司 | High-temperature automotive intermediate paint suitable for electrostatic spraying of automatic robots and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2765132C1 (en) * | 2020-11-30 | 2022-01-25 | МСД Текнолоджис С.а р.л. | Priming compound for creating a light conductive priming coating of a part prior to electrostatic colouring, method for preparing the priming compound, and priming coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104403397A (en) | 2015-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104403397B (en) | Carbon nano tube composite primer for vehicle and preparation and use methods thereof | |
| CN104262953B (en) | A kind of Graphene coated glass fiber strengthens polymer matrix composites and preparation method | |
| CN104962185B (en) | Graphene-supported nanometer Fe3O4/ aqueous polyurethane composite magnetic conductive wave-absorbing coating material and preparation method thereof | |
| CN103740252B (en) | A kind of antistatic polyurethane water paint and preparation method thereof | |
| CN103937350B (en) | A kind of Graphene-bar-shaped Al-Doped ZnO antistatic coating and preparation method thereof | |
| CN106147439A (en) | A kind of high-performance wheel hub metallic finishe | |
| CN108165076A (en) | A kind of water nano antistatic epoxy floor paint and preparation method thereof | |
| CN109694636A (en) | Graphene conductive powdery paints and preparation method thereof, application method | |
| CN104946030A (en) | Super hydrophobic coating composition | |
| CN104497809A (en) | Conductive powder coating | |
| KR20150078458A (en) | Electromagnetic Interference Shielding Composition, Method of Preparing Electromagnetic Interference Shielding Composite, And Electromagnetic Interference Shielding Composite Prepared Using Same | |
| CN103923552A (en) | High-performance graphene-needle-like titanium dioxide conductive coating and preparation method thereof | |
| CN108806831A (en) | A kind of conductive coating and graphene conductive layer of cable | |
| TW201037734A (en) | Conductive elastomer and method of applying a conductive coating to elastomeric substrate | |
| CN102964934A (en) | High-scrubbing-resistance interior wall latex paint | |
| JP2008093909A (en) | Decorative plate and method for producing decorative plate | |
| CN105149575A (en) | Preparation method of silver coated copper powder | |
| CN1935916A (en) | Graphite base electromagnetic shielding composite coating and its preparing method | |
| CN104119769B (en) | Thin coating powder paint | |
| CN109517482A (en) | A kind of watersoluble plumbago alkene anticorrosive paint and preparation method thereof | |
| CN105885094A (en) | Heat dissipation composition as well as preparation method and application thereof | |
| CN109880459A (en) | A kind of anticorona acrylic acid conductive coating and its preparation method and application | |
| CN111057451A (en) | Metal powder coating with high metal texture and preparation process thereof | |
| CN102993863A (en) | Amino-acrylic conducting paint | |
| CN109423122A (en) | The preparation method of the anti-weathering anti-static function Integrative Coating material of radome |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |