CN108410341A - A kind of computer conductive coating and preparation method thereof - Google Patents
A kind of computer conductive coating and preparation method thereof Download PDFInfo
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- CN108410341A CN108410341A CN201810331776.XA CN201810331776A CN108410341A CN 108410341 A CN108410341 A CN 108410341A CN 201810331776 A CN201810331776 A CN 201810331776A CN 108410341 A CN108410341 A CN 108410341A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- 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
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
-
- 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
-
- 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
- C09D7/20—Diluents or solvents
-
- 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
- C08K3/08—Metals
- C08K2003/0806—Silver
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/326—Magnesium phosphate
-
- 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
- C08K2201/001—Conductive additives
-
- 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
Abstract
The invention discloses a kind of computer conductive coatings and preparation method thereof, and the coating is mainly made of polyester resin, polyester resin solidifying agent, conductive filler, nano-silver powder, ethyl cellulose, preservative, diluent, solvent.The computer of the present invention is excellent with the conductive energy of conductive coating coating, and strong adhesive force is not easy to peel off, while having preferable Corrosion Protection, and preparation method is simple, is suitable for large-scale production and application.
Description
Technical field
The present invention relates to technical field of chemical paint, and in particular to a kind of computer conductive coating and preparation method thereof.
Background technology
Computer, i.e. computer are the indispensable life of people, work and converter tools in present society.Computer
Usage amount is being continuously increased.Meanwhile the update speed of computer is very fast, requirement of the computer to each parts is also got over
Come higher.And the electric conductivity of existing computer coating need to be improved, antistatic effect is poor, and Corrosion Protection is poor,
And coating easily peels off, to influence the using effect of conductive coating.
Based on this, it is necessary to a kind of computer conductive coating and preparation method thereof is proposed, to solve to deposit in the prior art
The problem of.
Invention content
In view of the above-mentioned analysis to the prior art, a kind of computer conductive coating of present invention offer and preparation method thereof,
The coatings conductive property is excellent, and strong adhesive force is not easy to peel off, while having preferable Corrosion Protection, and preparation method is simple,
Suitable for mass producing and applying.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of computer conductive coating, in terms of parts by weight, the coating includes mainly following components：
22-42 parts of polyester resin；
3-8 parts of polyester resin solidifying agent；
13-26 parts of conductive filler；
2-8 parts of nano-silver powder；
1.3-6.5 parts of ethyl cellulose；
0.3-1.5 parts of diluent；
0.5-2 parts of preservative；
28-44 parts of solvent.
Preferably, the coating includes mainly following components：
30 parts of polyester resin；
5.5 parts of polyester resin solidifying agent；
19 parts of conductive filler；
5 parts of nano-silver powder；
3.8 parts of ethyl cellulose；
0.9 part of diluent；
1.2 parts of preservative；
36 parts of solvent.
Preferably, the polyester resin is waterborne polyurethane resin or acrylic resin.
Preferably, the polyester resin solidifying agent is amine curing agent.
Preferably, it is 15 that the conductive filler, which is weight ratio,:5:The mixing of 1 carbon nanotube, conductive black and carbon fiber
Object.
Preferably, the one kind of the diluent in benzyl glycidyl ether, butyl acetate and butyl glycidyl ether
Or two kinds.
Preferably, it is 1 that the preservative, which is weight ratio,:The tripolyphosphate magnesium of 2-4 and the mixture of polymerization ferrophosphorus powder.
Preferably, it is 1 that the solvent, which is mass ratio,:0.5-1:4 n-butanol and the mixture of acetone.
The present invention also provides the preparation methods of above computer conductive coating, include the following steps：
（1）Premixing：Solvent, diluent, coupling agent, ethyl cellulose and polyester resin are added in dispersion cylinder, fully stirs
It mixes and is mixed to form gelatinous mixture, the rotating speed of mixing is controlled in 400-600rpm；
（2）Grinding distribution：Conductive filler, nano-silver powder, mashing grinding 20-30 minutes, until fineness is less than are added in dispersion cylinder
45 microns；
（3）Add resin curing agent：Polyester resin solidifying agent is added in dispersion cylinder, is uniformly mixed to get the meter
Calculation machine conductive coating.
Preferably, step（2）The rotating speed of middle grinding is controlled in 2000-3000rpm.
Compared with prior art, the present invention having following advantageous effect：
（1）The computer conductive coating of the present invention, by regarding polyester resin and polyester resin solidifying agent as film forming agent, and leads to
It crosses conductive filler and realizes conducting function, meanwhile, preservative improves the corrosion resistance of coating, and the polymerization ferrophosphorus in preservative
The conductive energy of powder, further increases the electric conductivity of coating.In addition, the cooperation of diluent and solvent can be with adjusting coating
Viscosity improves the construction technology of coating.By optimizing the prescription and ratio of coating, to realize conduction, the anti-corrosion of coating
Corrosion energy prepares conductive corrosion-inhibiting coating using spraying or in the workpiece surface handled well by the way of brushing, not only has resistivity
Low and electric conductivity is stablized, and corrosion resistance is strong, while coating is fine and close, and flexibility is good, and strong adhesive force reaches requirement.
（2）Carbon nanotube and carbon fiber in conductive filler of the present invention have larger draw ratio, interweave in conductive coating
It forms three-dimensional conductive network and not only further enhances the electric conductivity of coating, antiseptic property, while polyester resin can be filled
It can reach preferably electric conductivity in conductive network, therefore using less conductive filler.
（3）While meeting conduction, Corrosion Protection, cost is controlled the present invention, and comprehensive performance is improved,
Solve the problems, such as that conductive antiseptic property and cost, comprehensive performance, which exists in the prior art, to get both.
（4）The preparation process of the computer conductive coating of the present invention is simple, industrialized production easy to implement.
Specific implementation mode
Form by the following examples is described in further detail the above of the present invention again, but should not be by this
The range for being interpreted as the above-mentioned theme of the present invention is only limitted to following embodiment, all based on the technology realized belonging to the above of the present invention
It all belongs to the scope of the present invention.
Embodiment 1
A kind of computer conductive coating, in terms of parts by weight, the coating includes mainly following components：
22 parts of polyester resin；
3 parts of polyester resin solidifying agent；
13 parts of conductive filler；
2 parts of nano-silver powder；
1.3 parts of ethyl cellulose；
0.3 part of diluent；
0.5 part of preservative；
28 parts of solvent.
Wherein, the polyester resin is waterborne polyurethane resin.
Wherein, the polyester resin solidifying agent is amine curing agent.
Wherein, it is 15 that the conductive filler, which is weight ratio,:5:1 carbon nanotube, the mixture of conductive black and carbon fiber.
Wherein, the diluent is selected from the mixture of benzyl glycidyl ether and butyl acetate.
Wherein, it is 1 that the preservative, which is weight ratio,:2 tripolyphosphate magnesium and the mixture of polymerization ferrophosphorus powder.
Wherein, it is 1 that the solvent, which is mass ratio,:0.5 n-butanol and the mixture of acetone.
The present invention also provides the preparation methods of above computer conductive coating, include the following steps：
（1）Premixing：Solvent, diluent, coupling agent, ethyl cellulose and polyester resin are added in dispersion cylinder, fully stirs
It mixes and is mixed to form gelatinous mixture, the rotating speed of mixing is controlled in 400rpm；
（2）Grinding distribution：Conductive filler, nano-silver powder, mashing grinding 20 minutes are added in dispersion cylinder, until fineness is micro- less than 45
Rice；
（3）Add resin curing agent：Polyester resin solidifying agent is added in dispersion cylinder, is uniformly mixed to get the meter
Calculation machine conductive coating.
Wherein, step（2）The rotating speed of middle grinding is controlled in 2000rpm.
Embodiment 2
A kind of computer conductive coating, in terms of parts by weight, the coating includes mainly following components：
42 parts of polyester resin；
8 parts of polyester resin solidifying agent；
26 parts of conductive filler；
8 parts of nano-silver powder；
6.5 parts of ethyl cellulose；
1.5 parts of diluent；
2 parts of preservative；
44 parts of solvent.
Wherein, the polyester resin is acrylic resin.
Wherein, the polyester resin solidifying agent is amine curing agent.
Wherein, it is 15 that the conductive filler, which is weight ratio,:5:1 carbon nanotube, the mixture of conductive black and carbon fiber.
Wherein, the diluent is selected from butyl glycidyl ether.
Wherein, it is 1 that the preservative, which is weight ratio,:3 tripolyphosphate magnesium and the mixture of polymerization ferrophosphorus powder.
Wherein, it is 1 that the solvent, which is mass ratio,:4 n-butanol and the mixture of acetone.
The present invention also provides the preparation methods of above computer conductive coating, include the following steps：
（1）Premixing：Solvent, diluent, coupling agent, ethyl cellulose and polyester resin are added in dispersion cylinder, fully stirs
It mixes and is mixed to form gelatinous mixture, the rotating speed of mixing is controlled in 600rpm；
（2）Grinding distribution：Conductive filler, nano-silver powder, mashing grinding 30 minutes are added in dispersion cylinder, until fineness is micro- less than 45
Rice；
（3）Add resin curing agent：Polyester resin solidifying agent is added in dispersion cylinder, is uniformly mixed to get the meter
Calculation machine conductive coating.
Wherein, step（2）The rotating speed of middle grinding is controlled in 3000rpm.
Embodiment 3
A kind of computer conductive coating, in terms of parts by weight, the coating includes mainly following components：
30 parts of polyester resin；
5.5 parts of polyester resin solidifying agent；
19 parts of conductive filler；
5 parts of nano-silver powder；
3.8 parts of ethyl cellulose；
0.9 part of diluent；
1.2 parts of preservative；
36 parts of solvent.
Wherein, the polyester resin is waterborne polyurethane resin.
Wherein, the polyester resin solidifying agent is amine curing agent.
Wherein, it is 15 that the conductive filler, which is weight ratio,:5:1 carbon nanotube, the mixture of conductive black and carbon fiber.
Wherein, the diluent is selected from the mixture of butyl acetate and butyl glycidyl ether.
Wherein, it is 1 that the preservative, which is weight ratio,:3 tripolyphosphate magnesium and the mixture of polymerization ferrophosphorus powder.
Wherein, it is 1 that the solvent, which is mass ratio,:2 n-butanol and the mixture of acetone.
The present invention also provides the preparation methods of above computer conductive coating, include the following steps：
（1）Premixing：Solvent, diluent, coupling agent, ethyl cellulose and polyester resin are added in dispersion cylinder, fully stirs
It mixes and is mixed to form gelatinous mixture, the rotating speed of mixing is controlled in 500rpm；
（2）Grinding distribution：Conductive filler, nano-silver powder, mashing grinding 25 minutes are added in dispersion cylinder, until fineness is micro- less than 45
Rice；
（3）Add resin curing agent：Polyester resin solidifying agent is added in dispersion cylinder, is uniformly mixed to get the meter
Calculation machine conductive coating.
Wherein, step（2）The rotating speed of middle grinding is controlled in 2500rpm.
Embodiment 4
A kind of computer conductive coating, in terms of parts by weight, the coating includes mainly following components：
25 parts of polyester resin；
7 parts of polyester resin solidifying agent；
15 parts of conductive filler；
4 parts of nano-silver powder；
2 parts of ethyl cellulose；
1.2 parts of diluent；
1 part of preservative；
40 parts of solvent.
Wherein, the polyester resin is acrylic resin.
Wherein, the polyester resin solidifying agent is amine curing agent.
Wherein, it is 15 that the conductive filler, which is weight ratio,:5:1 carbon nanotube, the mixture of conductive black and carbon fiber.
Wherein, the diluent is selected from benzyl glycidyl ether.
Wherein, it is 1 that the preservative, which is weight ratio,:2 tripolyphosphate magnesium and the mixture of polymerization ferrophosphorus powder.
Wherein, it is 1 that the solvent, which is mass ratio,:2 n-butanol and the mixture of acetone.
The present invention also provides the preparation methods of above computer conductive coating, include the following steps：
（1）Premixing：Solvent, diluent, coupling agent, ethyl cellulose and polyester resin are added in dispersion cylinder, fully stirs
It mixes and is mixed to form gelatinous mixture, the rotating speed of mixing is controlled in 450rpm；
（2）Grinding distribution：Conductive filler, nano-silver powder, mashing grinding 28 minutes are added in dispersion cylinder, until fineness is micro- less than 45
Rice；
（3）Add resin curing agent：Polyester resin solidifying agent is added in dispersion cylinder, is uniformly mixed to get the meter
Calculation machine conductive coating.
Wherein, step（2）The rotating speed of middle grinding is controlled in 2200rpm.
Embodiment 5
A kind of computer conductive coating, in terms of parts by weight, the coating includes mainly following components：
38 parts of polyester resin；
4.5 parts of polyester resin solidifying agent；
15 parts of conductive filler；
7 parts of nano-silver powder；
5 parts of ethyl cellulose；
0.7 part of diluent；
1.6 parts of preservative；
32 parts of solvent.
Wherein, the polyester resin is acrylic resin.
Wherein, the polyester resin solidifying agent is amine curing agent.
Wherein, it is 15 that the conductive filler, which is weight ratio,:5:1 carbon nanotube, the mixture of conductive black and carbon fiber.
Wherein, the diluent is selected from the mixture of benzyl glycidyl ether and butyl glycidyl ether.
Wherein, it is 1 that the preservative, which is weight ratio,:3.5 tripolyphosphate magnesium and the mixture of polymerization ferrophosphorus powder.
Wherein, it is 1 that the solvent, which is mass ratio,:3.5 n-butanol and the mixture of acetone.
The present invention also provides the preparation methods of above computer conductive coating, include the following steps：
（1）Premixing：Solvent, diluent, coupling agent, ethyl cellulose and polyester resin are added in dispersion cylinder, fully stirs
It mixes and is mixed to form gelatinous mixture, the rotating speed of mixing is controlled in 550rpm；
（2）Grinding distribution：Conductive filler, nano-silver powder, mashing grinding 28 minutes are added in dispersion cylinder, until fineness is micro- less than 45
Rice；
（3）Add resin curing agent：Polyester resin solidifying agent is added in dispersion cylinder, is uniformly mixed to get the meter
Calculation machine conductive coating.
Wherein, step（2）The rotating speed of middle grinding is controlled in 2800rpm.
Test method
（1）Resistance to salt water is tested
The resistance to salt water of computer conductive coating is measured according to GB1763-79.It is specifically following to carry out：
It is the (following to be also referred to as " breadboard " through blasting treatment steel plate of 150mm × 70mm × 1.6mm (thickness) in size.) on, so that
Dry film thickness reach about 250 μm of condition respectively spray-coating embodiment 1-5 and the obtained computers of comparative example 1-5 with leading
Electrocoating paint will obtain making band anticorrosion by carrying out drying in 7 days under the atmosphere of 23 DEG C, 50%RH with film breadboard
Film breadboard.Using the band anticorrosion film breadboard, according to benchmark below to being impregnated 90 days in 40 DEG C of 3% brine
The appearance of anticorrosion film afterwards carries out visual valuation.
Evaluation criterion：
○：Expand, rupture, becoming rusty, falling off, tone it is unchanged.
△：It was found that expanding, rupturing, becoming rusty, falling off, any one of tone has several defects (variation).
×：Clearly discovery is expanded, is ruptured, becoming rusty, falling off, any one of tone changes.
(2) electric protection corrosion is tested
It will be connect with zinc anode with anticorrosion film breadboard obtained by making identical as resistance to salt water experiment, so that electric current is close
Degree is 5mA/m2 hereinafter, according to benchmark below to the appearance of the anticorrosion film after being impregnated 90 days in 40 DEG C of 3% brine
Carry out visual valuation.
Evaluation criterion：
○：Expand, rupture, becoming rusty, falling off, tone it is unchanged.
△：It was found that expanding, rupturing, becoming rusty, falling off, any one of tone has several defects (variation).
×：Clearly discovery is expanded, is ruptured, becoming rusty, falling off, any one of tone changes.
(3) salt spraytest
According to GB/T 2423.17, band anticorrosion film breadboard is at 35 DEG C obtained by pair making identical as resistance to salt water experiment
Under conditions of continuously spray 90 days brine strengths 5% solution after, the appearance of anticorrosion film is carried out according to benchmark below
Visual valuation.
Evaluation criterion：
○：Expand, rupture, becoming rusty, falling off, tone it is unchanged.
△：It was found that expanding, rupturing, becoming rusty, falling off, any one of tone has several defects (variation).
×：Clearly discovery is expanded, is ruptured, becoming rusty, falling off, any one of tone changes.
(4) adhesion is tested
Adhesion test is implemented according to GB1720-79.It is specifically following to carry out.
So that dry film thickness reach about 160 μm of condition distinguish on the breadboard the following embodiments of spray-coating and
The obtained composition of comparative example makes band film breadboard with this.Make with film breadboard in 23 DEG C, 50%RH
It is 1 day dry under atmosphere, on obtained band dry coating breadboard, painting is sprayed in a manner of so that dry film thickness is reached about 160 μm
Dress composition identical with the composition of the film is formed, film thickness was obtained by dry 7 days under the atmosphere of 23 DEG C, 50%RH
320 μm of band anticorrosion film breadboard.
The cut mark 2 of X shape is marked in the one side of the obtained anticorrosion film with anticorrosion film breadboard.At this point,
It is set as the area in quadrangle that four ends of two cut marks of the cut mark 2 are formed to mark the area 3 of cut mark.
Later, on X shape cut marks paste glassine paper adhesive tape, by by one end of adhesive tape with relative to anticorrosion film
The Bao Li Zhuan Condition (stripping rate) between anticorrosion film are evaluated close to 90 ° of angle stripping in face.Stripping tape is estimated by visual observation
The ratio for the anticorrosion film that the slave breadboard relative to the area 3 that marks cut mark afterwards is removed is evaluated.
Evaluation criterion：
○：Completely without finding stripping.
△：1~15% or less whole is removed.
×：It has removed more than 15% whole part.
Experimental example 1
According to the resistance to salt water of 1-5 of the embodiment of the present invention computer conductive coating prepared, electric protection corrosion, brine spray,
Adhesive force etc. is tested, and concrete outcome is shown in Table 1：
1 performance test results of table
| Sample | Resistance to salt water | Electric protection corrosion | Salt spraytest | Adhesion test |
| Embodiment 1 | ○ | ○ | ○ | ○ |
| Embodiment 2 | ○ | ○ | ○ | ○ |
| Embodiment 3 | ○ | ○ | ○ | ○ |
| Embodiment 4 | ○ | ○ | ○ | ○ |
| Embodiment 5 | ○ | ○ | ○ | ○ |
As can be seen from the above table, computer of the invention has excellent resistance to salt water, electric protection corrosion, brine with conductive coating
The performances such as spraying, adhesive force.
Experimental example 2
It sprays or brushes to the carbon steel zero Jing Guo blasting treatment using spraying or by the coating of the present embodiment 1-5 by the way of brushing
Part surface after normal temperature cure for 24 hours, obtains the conductive corrosion-inhibiting coating of 200 μ m-thicks.According to《HG-59-78 volume resistivities》To reality
The volume resistivity for applying the computer conductive coating obtained by a 1-5 is tested, and concrete outcome is shown in Table 2：
2 performance test results of table
| Sample | Volume resistivity（Ω.cm） |
| The embodiment of the present invention 1 | 93 |
| The embodiment of the present invention 2 | 103 |
| The embodiment of the present invention 3 | 96 |
| The embodiment of the present invention 4 | 98 |
| The embodiment of the present invention 5 | 94 |
As can be seen from the above table, computer conductive coating of the invention has excellent electric conductivity.
It is merely a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to aforementioned implementation described in upper
Invention is explained in detail for example, for those skilled in the art, still can be to foregoing embodiments
Recorded technical solution is modified or equivalent replacement of some of the technical features.All spirit in the present invention
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of computer conductive coating, which is characterized in that in terms of parts by weight, the coating includes mainly following components：
22-42 parts of polyester resin；
3-8 parts of polyester resin solidifying agent；
13-26 parts of conductive filler；
2-8 parts of nano-silver powder；
1.3-6.5 parts of ethyl cellulose；
0.3-1.5 parts of diluent；
0.5-2 parts of preservative；
28-44 parts of solvent.
2. computer conductive coating according to claim 1, which is characterized in that in terms of parts by weight, the coating master
It to include following components：
30 parts of polyester resin；
5.5 parts of polyester resin solidifying agent；
19 parts of conductive filler；
5 parts of nano-silver powder；
3.8 parts of ethyl cellulose；
0.9 part of diluent；
1.2 parts of preservative；
36 parts of solvent.
3. computer conductive coating according to claim 1, which is characterized in that the polyester resin is aqueous polyurethane
Resin or acrylic resin.
4. computer conductive coating according to claim 1, which is characterized in that the polyester resin solidifying agent is amine
Curing agent.
5. computer conductive coating according to claim 1, which is characterized in that the conductive filler is that weight ratio is
15:5:1 carbon nanotube, the mixture of conductive black and carbon fiber.
6. computer conductive coating according to claim 1, which is characterized in that it is sweet that the diluent is selected from benzyl shrink
One or both of oily ether, butyl acetate and butyl glycidyl ether.
7. computer conductive coating according to claim 1, which is characterized in that the preservative is that weight ratio is 1:2-
4 tripolyphosphate magnesium and the mixture of polymerization ferrophosphorus powder.
8. computer conductive coating according to claim 1, which is characterized in that the solvent is that mass ratio is 1:0.5-
1:4 n-butanol and the mixture of acetone.
9. a kind of preparation method according to claim 1-8 any one of them computer conductive coatings, which is characterized in that
Include the following steps：
（1）Premixing：Solvent, diluent, coupling agent, ethyl cellulose and polyester resin are added in dispersion cylinder, fully stirs
It mixes and is mixed to form gelatinous mixture, the rotating speed of mixing is controlled in 400-600rpm；
（2）Grinding distribution：Conductive filler, nano-silver powder, mashing grinding 20-30 minutes, until fineness is less than are added in dispersion cylinder
45 microns；
（3）Add resin curing agent：Polyester resin solidifying agent is added in dispersion cylinder, is uniformly mixed to get the meter
Calculation machine conductive coating.
10. the preparation method of computer conductive coating according to claim 9, which is characterized in that step（2）Middle grinding
Rotating speed control in 2000-3000rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331776.XA CN108410341A (en) | 2018-04-13 | 2018-04-13 | A kind of computer conductive coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331776.XA CN108410341A (en) | 2018-04-13 | 2018-04-13 | A kind of computer conductive coating and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108410341A true CN108410341A (en) | 2018-08-17 |
Family
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| CN201810331776.XA Withdrawn CN108410341A (en) | 2018-04-13 | 2018-04-13 | A kind of computer conductive coating and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662634A (en) * | 2020-06-24 | 2020-09-15 | 广东达尔新型材料有限公司 | Thin-coating type water-based anti-static polyurethane mortar floor coating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101161743A (en) * | 2006-10-12 | 2008-04-16 | 中国化工建设总公司常州涂料化工研究院 | Baking type electrically-conducting paint for metal substrate |
| CN101210124A (en) * | 2006-12-26 | 2008-07-02 | 比亚迪股份有限公司 | Electrically-conducting paint and preparation method thereof |
| CN103992678A (en) * | 2014-04-21 | 2014-08-20 | 东莞市纳利光学材料有限公司 | Conductive coating and preparation method thereof |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101161743A (en) * | 2006-10-12 | 2008-04-16 | 中国化工建设总公司常州涂料化工研究院 | Baking type electrically-conducting paint for metal substrate |
| CN101210124A (en) * | 2006-12-26 | 2008-07-02 | 比亚迪股份有限公司 | Electrically-conducting paint and preparation method thereof |
| CN103992678A (en) * | 2014-04-21 | 2014-08-20 | 东莞市纳利光学材料有限公司 | Conductive coating and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662634A (en) * | 2020-06-24 | 2020-09-15 | 广东达尔新型材料有限公司 | Thin-coating type water-based anti-static polyurethane mortar floor coating and preparation method thereof |
| CN111662634B (en) * | 2020-06-24 | 2021-12-07 | 广东达尔新型材料有限公司 | Thin-coating type water-based anti-static polyurethane mortar floor coating and preparation method thereof |
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