CN107384158A - A kind of insulating coating for high-tension switch cabinet - Google Patents
A kind of insulating coating for high-tension switch cabinet Download PDFInfo
- Publication number
- CN107384158A CN107384158A CN201710646460.5A CN201710646460A CN107384158A CN 107384158 A CN107384158 A CN 107384158A CN 201710646460 A CN201710646460 A CN 201710646460A CN 107384158 A CN107384158 A CN 107384158A
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- Prior art keywords
- parts
- oil
- modified alkyd
- insulating coating
- alkyd resin
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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
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a kind of insulating coating for high-tension switch cabinet.The insulating coating includes the following component counted in parts by weight：150 220 parts of nitrocotton, 340 570 parts of oil-modified alkyd resin, 120 180 parts of dimethyl terephthalate (DMT), 24 58 parts of zinc oxide, 150 230 parts of amino resins, 18 parts of drier, 20 47 parts of 604 epoxy resin, 10 42 parts of titanium dioxide, 10 24 parts of solid levelling agent, 15 parts of dispersant, 0.1 0.8 parts of organic silicone oil, 1 10 parts of auxiliary agent, 12 32 parts of vulcanizing agent；The oil-modified alkyd resin is made up of castor oil, ethanedioic acid, hydrophilic macromolecular compounds and water.Insulating coating of the present invention has preferable adhesive force, weatherability and arc resistance, is suitable for the coating as high-tension switch cabinet, effectively prevent the safety of electric arc influence cabinet caused by short circuit.
Description
Technical field
The invention belongs to electrical equipment manufacturing technology field, and in particular to a kind of insulating coating for high-tension switch cabinet.
Background technology
High-tension switch cabinet refers to be used for play break-make, control in power system generating, transmission of electricity, distribution, electric energy conversion and consumption
Or the effect such as protection, high-tension switch cabinet are opened by electric equipment products of the voltage class in 3.6-550kV, high voltage isolator is made in ground connection
Pass, high voltage load switch, high pressure automatic reclosing and sectionaliser, high-voltage actuating mechanism, high voltage explosion-proof power distribution device and high-voltage switch gear
Several major classes such as cabinet.
Application number 201010593984.0, entitled electric insulation coating layer, coat system and method.Specifically, a kind of electricity is exhausted
Edge coating, for minimizing the conductance of metal substrate, the electric insulation coating layer includes：Component of polymer, it is by monomer forerunner
Body is formed；And powdered ingredients, its essence are dispersed in the component of polymer.The powder present in the electric insulation coating layer
The amount of composition is：For the electric insulation coating layer of every 100 parts of weight, the weight from about 5 parts to about 80 parts.Arrived about when at about -50 DEG C
500 DEG C when being exposed to about 100V to about 330V, the electric insulation coating layer does not fail substantially.The dielectric strength of the electric insulation coating layer
At least per the voltsalternating of mil about 2000.But powdered ingredients easily come off, cause insulating coating unbalanced.
Application number 201310726543.7, title include metal for a kind of Corona roller and preparation method thereof, the Corona roller
Roller and the coating being coated on metal roller, wherein, the coating is made up of polysiloxane composition, the polysiloxanes group
Compound includes polysiloxanes 40-60%, white carbon 20-40%, diatomite 5-20%, silica flour 2-8%, vulcanizing agent 1-5%, anti-
Electrostatic agent 1-4%.Corona roller provided by the invention has fabulous electrical insulating property, arc resistance, Inverter fed motor and anti-flammability, has
Preferable corona effects, reverse side corona will not be produced, the most satisfied requirement of client can be reached.With silicone materials under long term high temperature
It is poor for coating adhesion, have much room for improvement.
The content of the invention
It is an object of the invention to provide a kind of insulating coating for high-tension switch cabinet, the coating adhesion is strong, dries
It hurry up, are-tight property is good.
A kind of insulating coating for high-tension switch cabinet, including the following component counted in parts by weight：Nitrocotton 150-220
Part, oil-modified alkyd resin 340-570 parts, dimethyl terephthalate (DMT) 120-180 parts, zinc oxide 24-58 parts, amino resins
It is 150-230 parts, drier 1-8 parts, 604 epoxy resin 20-47 parts, titanium dioxide 10-42 parts, solid levelling agent 10-24 parts, scattered
Agent 1-5 parts, organic silicone oil 0.1-0.8 parts, auxiliary agent 1-10 parts, vulcanizing agent 12-32 parts；The oil-modified alkyd resin is by castor-oil plant
Oil, ethanedioic acid, hydrophilic macromolecular compounds and water composition.
It is as improved, the above-mentioned insulating coating for high-tension switch cabinet, including the following component counted in parts by weight：
200 parts of nitrocotton, 420 parts of oil-modified alkyd resin, 158 parts of dimethyl terephthalate (DMT), 45 parts of zinc oxide, amino resins 201
Part, 4 parts of drier, 28 parts of 604 epoxy resin, 28 parts of titanium dioxide, 17 parts of solid levelling agent, 4 parts of dispersant, organic silicone oil 0.5
Part, 4 parts of auxiliary agent, 25 parts of vulcanizing agent.
It is that castor oil accounts for the 12-40% of oil-modified alkyd resin dry weight in the oil-modified alkyd resin as improved,
The ethanedioic acid accounts for the 10-20% of oil-modified alkyd resin dry weight, and the hydrophilic macromolecular compounds account for oil-modified alkyd tree
The 2-10% of fat dry weight.
It is that the hydrophilic macromolecular compounds are the condensation product of acrylic acid and glycerine as improved.
It is that the vulcanizing agent is double-(2,4- dichlorobenzoperoxide) as improved.
Alkyd resin viscosity is high, must could be dissolved with aromatic hydrocarbon solvent.The alkyd resin is made paint and uses spraying or dip-coating,
Do not have to preferably brush.At room temperature can autoxidation dry, it is soft general towards property from dry functional, there is good glossiness, protect
Light colour retention, weatherability, rate of drying are very fast.Oil-modified alkyd resin after modification can be able to height from dryness, be advantageous to
Coating rapid-curing cutback.
It is specifically, existing by nitrocotton, oil-modified alkyd resin, dimethyl terephthalate (DMT), amino resins, 604 asphalt mixtures modified by epoxy resin
In fat, titanium dioxide input reactor, 300-500 DEG C is heated to, reacts 10-20min, then add zinc oxide, drier, efflux of solids
Flat agent, dispersant, organic silicone oil, auxiliary agent and vulcanizing agent, it is ultrasonically treated insulating coating after 10-15min.
Beneficial effect：
Compared with prior art, insulating coating of the present invention has preferable adhesive force, weatherability and arc resistance, is adapted to use
In the coating as high-tension switch cabinet, the safety of electric arc influence cabinet caused by short circuit effectively prevent.
Embodiment
The present invention is further described in detail below by specific embodiment.
Embodiment 1
A kind of insulating coating for high-tension switch cabinet, including the following component counted in parts by weight：150 parts of nitrocotton,
340 parts of oil-modified alkyd resin, 120 parts of dimethyl terephthalate (DMT), 24 parts of zinc oxide, 150 parts of amino resins, 1 part of drier,
604 20 parts of epoxy resin, 10 parts of titanium dioxide, 10 parts of solid levelling agent, 1 part of dispersant, 0.1 part of organic silicone oil, 1 part of auxiliary agent, sulphur
12 parts of agent；The oil-modified alkyd resin is made up of castor oil, ethanedioic acid, hydrophilic macromolecular compounds and water.
Wherein, castor oil accounts for the 12% of oil-modified alkyd resin dry weight in the oil-modified alkyd resin, the ethanedioic acid
The 10% of oil-modified alkyd resin dry weight is accounted for, the hydrophilic macromolecular compounds account for the 2% of oil-modified alkyd resin dry weight.
The hydrophilic macromolecular compounds are the condensation product of acrylic acid and glycerine.
The vulcanizing agent is double-(2,4- dichlorobenzoperoxide).
Embodiment 2
A kind of insulating coating for high-tension switch cabinet, including the following component counted in parts by weight：200 parts of nitrocotton,
420 parts of oil-modified alkyd resin, 158 parts of dimethyl terephthalate (DMT), 45 parts of zinc oxide, 201 parts of amino resins, 4 parts of drier,
604 28 parts of epoxy resin, 28 parts of titanium dioxide, 17 parts of solid levelling agent, 4 parts of dispersant, 0.5 part of organic silicone oil, 4 parts of auxiliary agent, sulphur
25 parts of agent.
Wherein, castor oil accounts for the 24% of oil-modified alkyd resin dry weight in the oil-modified alkyd resin, the ethanedioic acid
The 14% of oil-modified alkyd resin dry weight is accounted for, the hydrophilic macromolecular compounds account for the 8% of oil-modified alkyd resin dry weight.
The hydrophilic macromolecular compounds are the condensation product of acrylic acid and glycerine.
The vulcanizing agent is double-(2,4- dichlorobenzoperoxide).
Embodiment 3
A kind of insulating coating for high-tension switch cabinet, including the following component counted in parts by weight：220 parts of nitrocotton,
570 parts of oil-modified alkyd resin, 180 parts of dimethyl terephthalate (DMT), 58 parts of zinc oxide, 230 parts of amino resins, 8 parts of drier,
604 47 parts of epoxy resin, 42 parts of titanium dioxide, 24 parts of solid levelling agent, 5 parts of dispersant, 0.8 part of organic silicone oil, 10 parts of auxiliary agent, sulphur
32 parts of agent；The oil-modified alkyd resin is made up of castor oil, ethanedioic acid, hydrophilic macromolecular compounds and water.
Wherein, castor oil accounts for the 40% of oil-modified alkyd resin dry weight in the oil-modified alkyd resin, the ethanedioic acid
The 20% of oil-modified alkyd resin dry weight is accounted for, the hydrophilic macromolecular compounds account for the 10% of oil-modified alkyd resin dry weight.
The hydrophilic macromolecular compounds are the condensation product of acrylic acid and glycerine.
The vulcanizing agent is double-(2,4- dichlorobenzoperoxide).
Are-tight property is used for evaluating insulating materials its insulating properties after arcing.
Comparative example
A kind of insulating coating for high-tension switch cabinet, including the following component counted in parts by weight：200 parts of nitrocotton,
420 parts of alkyd resin, 158 parts of dimethyl terephthalate (DMT), 45 parts of zinc oxide, 201 parts of amino resins, 4 parts of drier, 604 rings
28 parts of oxygen tree fat, 28 parts of titanium dioxide, 17 parts of solid levelling agent, 4 parts of dispersant, 0.5 part of organic silicone oil, 4 parts of auxiliary agent, vulcanizing agent 25
Part.
Wherein, ethanedioic acid described in the alkyd resin accounts for the 14% of oil-modified alkyd resin dry weight, and the hydrophily is high
Molecular compound accounts for the 8% of oil-modified alkyd resin dry weight.
The hydrophilic macromolecular compounds are the condensation product of acrylic acid and glycerine,.
The vulcanizing agent is double-(2,4- dichlorobenzoperoxide).
Embodiment 1-3 and comparative example 1 insulating coating are detected, the data obtained is as shown in the table.
In addition, the invention is not restricted to above-mentioned embodiment, as long as in without departing from the scope of the present invention, can take various
Mode implements the present invention.
Claims (5)
1. a kind of insulating coating for high-tension switch cabinet, it is characterised in that including the following component counted in parts by weight：Nitrification
Cotton 150-220 parts, oil-modified alkyd resin 340-570 parts, dimethyl terephthalate (DMT) 120-180 parts, zinc oxide 24-58 parts,
Amino resins 150-230 parts, drier 1-8 parts, 604 epoxy resin 20-47 parts, titanium dioxide 10-42 parts, solid levelling agent 10-
24 parts, dispersant 1-5 parts, organic silicone oil 0.1-0.8 parts, auxiliary agent 1-10 parts, vulcanizing agent 12-32 parts；The oil-modified alkyd tree
Fat is made up of castor oil, ethanedioic acid, hydrophilic macromolecular compounds and water.
2. a kind of insulating coating for high-tension switch cabinet according to claim 1, it is characterised in that including below by weight
Measure the component of number meter：200 parts of nitrocotton, 420 parts of oil-modified alkyd resin, 158 parts of dimethyl terephthalate (DMT), zinc oxide 45
Part, 201 parts of amino resins, 4 parts of drier, 28 parts of 604 epoxy resin, 28 parts of titanium dioxide, 17 parts of solid levelling agent, dispersant 4
Part, 0.5 part of organic silicone oil, 4 parts of auxiliary agent, 25 parts of vulcanizing agent.
A kind of 3. insulating coating for high-tension switch cabinet according to claim 1, it is characterised in that the modified alcohol of oil
Castor oil accounts for the 12-40% of oil-modified alkyd resin dry weight in acid resin, and the ethanedioic acid accounts for oil-modified alkyd resin dry weight
10-20%, the hydrophilic macromolecular compounds account for the 2-10% of oil-modified alkyd resin dry weight.
4. according to a kind of insulating coating for high-tension switch cabinet described in claim 1,2 or 3, it is characterised in that the parent
Aqueous high molecular compound is the condensation product of acrylic acid and glycerine.
A kind of 5. insulating coating for high-tension switch cabinet according to claim 1 or 2, it is characterised in that the vulcanization
Agent is double-(2,4- dichlorobenzoperoxide).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646460.5A CN107384158A (en) | 2017-07-31 | 2017-07-31 | A kind of insulating coating for high-tension switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646460.5A CN107384158A (en) | 2017-07-31 | 2017-07-31 | A kind of insulating coating for high-tension switch cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN107384158A true CN107384158A (en) | 2017-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710646460.5A Pending CN107384158A (en) | 2017-07-31 | 2017-07-31 | A kind of insulating coating for high-tension switch cabinet |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093603A (en) * | 2019-03-27 | 2019-08-06 | 广东求精电气有限公司 | A kind of coating method of high-tension switch cabinet metal base |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030195292A1 (en) * | 2002-04-12 | 2003-10-16 | Thauming Kuo | Waterborne acrylate-functionalized alkyd coating compositions |
| CN105622909A (en) * | 2016-03-01 | 2016-06-01 | 湖南沃特邦恩新材料有限公司 | Preparation method and application of waterborne alkyd resin |
-
2017
- 2017-07-31 CN CN201710646460.5A patent/CN107384158A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030195292A1 (en) * | 2002-04-12 | 2003-10-16 | Thauming Kuo | Waterborne acrylate-functionalized alkyd coating compositions |
| CN105622909A (en) * | 2016-03-01 | 2016-06-01 | 湖南沃特邦恩新材料有限公司 | Preparation method and application of waterborne alkyd resin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093603A (en) * | 2019-03-27 | 2019-08-06 | 广东求精电气有限公司 | A kind of coating method of high-tension switch cabinet metal base |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171124 |
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| RJ01 | Rejection of invention patent application after publication |