CN112940619A - Multifunctional composite coating for power transmission line of power system - Google Patents
Multifunctional composite coating for power transmission line of power system Download PDFInfo
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- CN112940619A CN112940619A CN202110280910.XA CN202110280910A CN112940619A CN 112940619 A CN112940619 A CN 112940619A CN 202110280910 A CN202110280910 A CN 202110280910A CN 112940619 A CN112940619 A CN 112940619A
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- coating
- composite coating
- power transmission
- silicon dioxide
- multifunctional composite
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- 239000011248 coating agent Substances 0.000 title claims abstract description 42
- 238000000576 coating method Methods 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 14
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 14
- 229920001971 elastomer Polymers 0.000 claims abstract description 13
- 229920001021 polysulfide Polymers 0.000 claims abstract description 13
- 239000005077 polysulfide Substances 0.000 claims abstract description 13
- 150000008117 polysulfides Polymers 0.000 claims abstract description 13
- 239000006229 carbon black Substances 0.000 claims abstract description 12
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 12
- 239000000741 silica gel Substances 0.000 claims abstract description 12
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 12
- 239000004945 silicone rubber Substances 0.000 claims abstract description 12
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 11
- 229920002545 silicone oil Polymers 0.000 claims abstract description 10
- 238000001029 thermal curing Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000001723 curing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- 239000012212 insulator Substances 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 239000003921 oil Substances 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 description 7
- 238000007710 freezing Methods 0.000 description 7
- 239000003973 paint Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
- C09D181/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers
- C09D181/04—Polysulfides
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a multifunctional composite coating for a power system transmission line, which comprises methyl vinyl silicone rubber, polysulfide rubber, RTV (room temperature vulcanized) silica gel, silicon dioxide, white carbon black, silicone oil and aluminum hydroxide, and has the functions of pollution flashover, insulation and adhesion resistance; therefore, the coating is used on insulators of 110KV-1000KV substations and power transmission lines, pollution flashover accidents caused by dirt attached to the surfaces of the insulators are prevented, and due to the fact that the silicon oil and the silicon dioxide which are raw materials of the coating have the characteristics of hydrophobicity and ice attachment resistance, winter rain and ice generated in severe weather in the south are prevented from being attached to the insulators and the power transmission lines to increase weight, and an iron tower supporting the lines cannot bear extreme tension force to collapse, so that important measures for safe operation, driving protection and navigation protection of a power system are improved.
Description
Technical Field
The invention relates to the field of chemical materials, in particular to a multifunctional composite coating for a power transmission line of an electric power system.
Background
Icing or frosting is a very common phenomenon in nature, when vapor in the air contacts the surface of a base material with the temperature lower than the freezing point temperature, the phenomenon of phase change and frosting can occur, the icing is attached to the surfaces of a high-voltage line and an insulator, the weight of a power transmission line is increased, the iron tower cannot bear the tensile force of the line, the iron deforms and collapses under the tensile force of a weight tower, the power transmission line of a power system is attached to the surface of the line due to the icing of freezing rain, and the weight is increased to urge the iron tower to cause accidents of electric shock, property and the like; due to freezing rain, the ice adheres to the surface of the high-voltage post insulator, so that the insulating property is reduced, the creepage distance is shortened, arc-discharge burning, discharging and tripping accidents are promoted, and the loss caused by the uncontrollable continuous accidents of large-area power failure is caused.
The existing insulating paint only has insulativity and no other properties; the anti-pollution flashover coating only has an anti-pollution flashover function and does not have other functions; therefore, those skilled in the art should increase the creepage distance, prevent dirt from flashing, resist icing, resist sticking, increase the insulation, and ensure safe operation of electric power.
Disclosure of Invention
The invention aims to provide a multifunctional composite coating for a power system transmission line, which has the functions of pollution flashover, insulation and adhesion resistance, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a multifunctional composite paint for the power transmission line of electric power system is prepared from methyl vinyl silicone rubber, polysulfide rubber, RTV silica gel, silicon dioxide, white carbon black, silicon oil and aluminium hydroxide,
the method comprises the following specific steps:
step one, taking 15% of methyl vinyl silicone rubber, 15% of polysulfide rubber, 15% of RTV silica gel, 15% of silicon dioxide, 25% of white carbon black, 10% of silicone oil and 5% of aluminum hydroxide according to a formula, and stirring and mixing;
placing the mixed coating into a ball mill to perform ball milling for 50 hours to obtain a coating preparation;
and step three, placing the coating preparation in the step two into a thermocuring device for thermocuring to obtain the composite coating.
Preferably, the curing temperature in said step is 80 ℃, 120 ℃ or 130 ℃.
Preferably, said step is carried out at an ambient temperature of from 10 ℃ to 40 ℃.
Preferably, the step is carried out at an ambient humidity of 40 deg.C％rh-60％rhIs carried out by。
Compared with the prior art, the invention has the beneficial effects that: the multifunctional composite coating for the power transmission line of the power system has pollution flashover, insulation and functions as well as an anti-sticking function, the polysulfide rubber, the methyl vinyl silicone rubber and the RTV silica gel are used together to overcome the defects of low strength and poor aging resistance when used alone, and the polysulfide rubber has good bonding performance after being used together and crosslinked, and a cured product has excellent electrical insulation performance and a damp-proof and shockproof function; no toxicity, no pollution and no corrosion; the high-temperature heat-resistant and anti-aging electric arc welding wire has good electric insulation and electric arc resistance, aging resistance, moisture resistance, good bonding performance, greatly improved heat aging resistance and high-temperature compression deformation resistance, and excellent oil resistance and solvent resistance. The silicon dioxide is used as a lubricant and has good flow promoting effect; the white carbon black is heated to ensure that the coating has a certain refractive index; the silicone oil is helpful for strengthening the effects of other compounds, and improving the functions of water resistance, insulation, pollution prevention, flame retardance and the like; therefore, the coating is used on insulators of 110KV-1000KV substations and power transmission lines to prevent pollution flashover accidents caused by dirt attached to the surfaces of the insulators, and the silicone oil and the silicon dioxide which are raw materials of the coating have the characteristics of hydrophobicity and ice attachment resistance, so that the phenomenon that winter rain and ice generated in severe weather in the south are attached to the insulators and the power transmission lines to increase weight is prevented, and an iron tower supporting the lines cannot bear extreme tension force to collapse accidents, so that important measures for safe operation, driving protection and navigation protection of a power system are improved.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
A multifunctional composite paint for the power transmission line of electric power system is prepared from methyl vinyl silicone rubber, polysulfide rubber, RTV silica gel, silicon dioxide, white carbon black, silicon oil and aluminium hydroxide,
the method comprises the following specific steps:
step one, taking 15% of methyl vinyl silicone rubber, 15% of polysulfide rubber, 15% of RTV silica gel, 15% of silicon dioxide, 25% of white carbon black, 10% of silicone oil and 5% of aluminum hydroxide according to a formula, and stirring and mixing;
placing the mixed coating into a ball mill to perform ball milling for 50 hours to obtain a coating preparation;
and step three, placing the coating preparation in the step two into a thermocuring device for thermocuring, wherein the curing temperature is 120 ℃, and thus obtaining the composite coating.
DSC test is carried out on the coating prepared by the invention:
the coating was applied to the substrate surface and tested: reducing the freezing point to minus 40 ℃, and prolonging the frosting time to 1 hour under the condition that the temperature is minus 20 ℃; the adhesion of ice to the surface after freezing was 0.13N.
The ice coating prevention performance test shows that the actual ice coating reduction is 92%.
Example 2
A multifunctional composite paint for the power transmission line of electric power system is prepared from methyl vinyl silicone rubber, polysulfide rubber, RTV silica gel, silicon dioxide, white carbon black, silicon oil and aluminium hydroxide,
the method comprises the following specific steps:
taking 20% of methyl vinyl silicone rubber, 10% of polysulfide rubber, 10% of RTV silica gel, 10% of silicon dioxide, 20% of white carbon black, 20% of silicone oil and 10% of aluminum hydroxide according to a formula, and placing the mixture in a stirrer to stir and mix for 60 hours;
and step two, placing the mixed coating into a thermocuring device for thermocuring, wherein the curing temperature is 120 ℃ to obtain the composite coating.
DSC test is carried out on the coating prepared by the invention:
the coating was applied to the substrate surface and tested: the freezing point is reduced to minus 40 ℃, the frosting time is prolonged to 1.5 hours under the condition that the temperature is minus 20 ℃, and the adhesion between ice and the surface is 0.1N after freezing.
The ice coating prevention performance test shows that the actual ice coating reduction is 95%.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A multifunctional composite coating for power transmission lines of power systems is characterized by comprising methyl vinyl silicone rubber, polysulfide rubber, RTV silica gel, silicon dioxide, white carbon black, silicone oil and aluminum hydroxide,
the method comprises the following specific steps:
step one, taking 15% of methyl vinyl silicone rubber, 15% of polysulfide rubber, 15% of RTV silica gel, 15% of silicon dioxide, 25% of white carbon black, 10% of silicone oil and 5% of aluminum hydroxide according to a formula, and stirring and mixing;
placing the mixed coating into a ball mill to perform ball milling for 50 hours to obtain a coating preparation;
and step three, placing the coating preparation in the step two into a thermocuring device for thermocuring to obtain the composite coating.
2. The multifunctional composite coating for power transmission lines of electric power systems according to claim 1, wherein the curing temperature in the step is 80 ℃, 120 ℃ or 130 ℃.
3. The multifunctional composite coating for the power transmission line of the power system as claimed in claim 1, wherein the steps are carried out at an ambient temperature of 10 ℃ to 40 ℃.
4. The multifunctional composite coating for power transmission lines of electric power systems as claimed in claim 1, wherein the step of coating is carried out at an ambient humidity of 40%％rh-60％rhIs carried out by。
5. A multifunctional composite coating for a power system transmission line comprises 20% of methyl vinyl silicone rubber, 10% of polysulfide rubber, 10% of RTV silica gel, 10% of silicon dioxide, 20% of white carbon black, 20% of silicone oil and 10% of aluminum hydroxide;
the method comprises the following specific steps:
taking 20% of methyl vinyl silicone rubber, 10% of polysulfide rubber, 10% of RTV silica gel, 10% of silicon dioxide, 20% of white carbon black, 20% of silicone oil and 10% of aluminum hydroxide according to a formula, and placing the mixture in a stirrer to stir and mix for 60 hours;
and step two, placing the mixed coating into a thermocuring device for thermocuring, wherein the curing temperature is 120 ℃ to obtain the composite coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110280910.XA CN112940619A (en) | 2021-03-16 | 2021-03-16 | Multifunctional composite coating for power transmission line of power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110280910.XA CN112940619A (en) | 2021-03-16 | 2021-03-16 | Multifunctional composite coating for power transmission line of power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112940619A true CN112940619A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110280910.XA Pending CN112940619A (en) | 2021-03-16 | 2021-03-16 | Multifunctional composite coating for power transmission line of power system |
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Citations (8)
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|---|---|---|---|---|
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2021
- 2021-03-16 CN CN202110280910.XA patent/CN112940619A/en active Pending
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Application publication date: 20210611 |