CN105331236A - Anti-flashover and puncture-proof insulating paint of high voltage bus and coating method thereof - Google Patents
Anti-flashover and puncture-proof insulating paint of high voltage bus and coating method thereof Download PDFInfo
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- CN105331236A CN105331236A CN201510767176.4A CN201510767176A CN105331236A CN 105331236 A CN105331236 A CN 105331236A CN 201510767176 A CN201510767176 A CN 201510767176A CN 105331236 A CN105331236 A CN 105331236A
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- 238000000576 coating method Methods 0.000 title claims abstract description 33
- 239000003973 paint Substances 0.000 title claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 239000003063 flame retardant Substances 0.000 claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 239000002562 thickening agent Substances 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 11
- 230000037452 priming Effects 0.000 claims abstract description 11
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 11
- 239000000057 synthetic resin Substances 0.000 claims abstract description 11
- 239000000049 pigment Substances 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012046 mixed solvent Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 27
- 238000003756 stirring Methods 0.000 claims description 21
- 239000006185 dispersion Substances 0.000 claims description 20
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 claims description 18
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 12
- 229920002050 silicone resin Polymers 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 9
- 239000003999 initiator Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 6
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical group [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- -1 methyl ester butyl acrylate Chemical class 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 3
- 229910002012 Aerosil® Inorganic materials 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 239000002270 dispersing agent Substances 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 229910021485 fumed silica Inorganic materials 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
- 240000005373 Panax quinquefolius Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
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- 101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
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- 229910052787 antimony Inorganic materials 0.000 description 1
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- 238000010891 electric arc Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Paints Or Removers (AREA)
Abstract
The invention provides anti-flashover and puncture-proof insulating paint of a high voltage bus and a coating method thereof, and relates to the field of paint. The anti-flashover and puncture-proof insulating paint of the high voltage bus is composed of priming paint and finishing paint. The priming paint is composed of synthetic resin, a dispersing agent, filler, inorganic thickener, flexibilizer, a fire retardant, an auxiliary fire retardant and a curing agent. The finishing paint is composed of organic silicon resin, mixed solvent, a dispersing agent, wax powder and wax liquor, fumed silica, pigment, ceramic powder, inorganic thickener, a fire retardant and a curing agent. The coating method comprises the steps of workpiece surface cleaning, heating, spraying, coating curing and cooling. According to the anti-flashover and puncture-proof insulating paint of the high voltage bus and the coating method thereof, the properties such as the anti-flashover and puncture-proof property, the insulation property, the chemical resistance and the weather-proof property of the bus are improved, and the anti-flashover and puncture-proof insulating paint of the high voltage bus and the coating method thereof are suitable for general application.
Description
Technical field
The present invention relates to a kind of insulation compound and coating method thereof of high voltage bus.
Background technology
Under action of high voltage, the disruptive discharge that gas or liquid medium occur along Surface Insulation, voltage during its electric discharge is called flash-over voltage.Occur after flashover, interelectrode voltage quickly falls to zero or close to zero.Spark in flashover passage or electric arc make Surface Insulation local superheating cause charing, and damaging surface insulate.Along the electric discharge of insulator surface flashover, the electric discharge along isolator inside is then called it is puncture.
Nearest decades, the industry of China and coastland, 12 ~ 500kV electric network consecutive there occurs a large amount of electric insulation flashover breakdown accidents.Under bad weather condition, can there is flashover breakdown in the surface of insulating layer along humidity, cause power system accident.Threaten the safe and stable operation of power system, the lighter affects local power, and severe one can impact electrical network, even makes whole electrical network produce cracking.The generation of insulation layer flashover breakdown causes huge loss on the impact of power supply system to national economy.
The flashover breakdown problem of research and solution insulating coating is one of current power system urgent problem.But current domestic high-temperature insulating coating research mainly concentrates on thermal insulation, the corrosion-resistant aspect of resistance to burning, pays close attention to seldom preventing flashover breakdown performance.
Summary of the invention
For above-mentioned technical problem, the invention provides that the anti-flashover of a kind of high voltage bus is resistance to punctures insulation compound and coating method thereof.The resistance to insulation compound that punctures of the anti-flashover of described high voltage bus is made up of priming paint and finish paint.
The resistance to Insulation primer that punctures of the anti-flashover of high voltage bus is made up of the component of following weight part: 35 ~ 45 parts of synthetic resins, 0.8 ~ 2 part of dispersion agent, 45 ~ 65 parts of fillers, 10 ~ 15 parts of inorganic thickening agents, 5 ~ 10 parts of toughner, 10 ~ 15 parts of fire retardants, 10 ~ 15 parts of auxiliary flame retardants and 15 ~ 20 parts of solidifying agent.
Particularly, described synthetic resins is prepared by following methods: under nitrogen protection, add in agitator weight part be 30 ~ 40 parts by trimethylbenzene, the mixed solvent that ethylene glycol and ethyl acetate form also is heated to backflow, by the Hydroxyethyl acrylate that weight part is 30 ~ 40 parts, the methyl ester butyl acrylate of 5 ~ 10 parts, the vinylbenzene of 25 ~ 33 parts, the methacrylic acid of 0.1 ~ 1 part, the methyl methacrylate of 10 ~ 20 parts, the butyl acrylate of 5 ~ 15 parts, the initiator of 1 ~ 3 part evenly drops in reactor after mixing with the dimethylbenzene of 35 ~ 45 parts in 2h, be added dropwise to complete the rear ditertiary butyl peroxide adding 0.1 ~ 1 weight part, 1 ~ 2h is reacted under keeping reflux state.Continuing insulation is at reflux 1500mPas to viscosity, finally add weight part be 30 ~ 40 parts mix by trimethylbenzene, ethylene glycol and ethyl acetate the mixed solvent formed, stirring discharging.
Particularly, described initiator is ditertiary butyl peroxide.
Particularly, described toughner melting index is 20 ~ 60g/10min, tensile strength>=8.9 ~ 9.1kgf/cm
2.
Particularly, described filler is aluminium hydroxide, mica powder, ceramics powder, pigment and quartz sand; Its weight ratio is 5:1:1:2:1.
The anti-flashover of high voltage bus is resistance to be punctured insulation finish paint and is made up of the component of following weight part: 30 ~ 40 parts of silicone resins, 45 ~ 55 parts of mixed solvents be made up of trimethylbenzene, ethylene glycol and ethyl acetate, 0.8 ~ 2 part of dispersion agent, 20 ~ 35 parts of wax powder and wax slurry, 10 ~ 15 parts of aerosils, 12 ~ 18 parts of pigment, 8 ~ 12 parts of ceramics powders, 10 ~ 15 parts of inorganic thickening agents, 10 ~ 15 parts of fire retardants and 15 ~ 20 parts of solidifying agent.
Particularly, the ratio of R and the Si of described silicone resin is 1.2 ~ 1.6.
The resistance to coating method puncturing insulation compound of the anti-flashover of high voltage bus of the present invention, is characterized in that comprising the following steps:
(1). remove the grease on bus surface, moisture, dirt, oxide film and corrosion thing etc., wrapping protection is carried out to bus two ends conduction overlap;
(2). 220 DEG C ~ 250 DEG C are heated to the bus Infrared heaters after removing surface;
(3). to be that the anti-flashover of high voltage bus of 80 ~ 300 μm is resistance to puncture Insulation primer to spray-on coating thickness, priming paint not completely solidification time spray-on coating thickness to be that the anti-flashover of high voltage bus of 100 ~ 500 μm is resistance to puncture insulation finish paint;
(4). during total coating thickness >350 μm, at 180 ~ 230 DEG C, use infrared heating 10 ~ 30 minutes.
Particularly, the resistance to preparation method puncturing Insulation primer of the anti-flashover of described high voltage bus comprises the following steps:
(1). by formula ratio, in a mixing bowl, add described synthetic resins and dispersion agent stirs,
(2). slowly add filler respectively under stirring at low speed state, dispersion 15 ~ 20 minutes after stirring, be ground to median size≤20 μm,
(3). finally transfer on stirrer and continue to add inorganic thickening agent, toughner, fire retardant, auxiliary flame retardant and solidifying agent, stir, discharging.
Particularly, the resistance to preparation method puncturing insulation finish paint of the anti-flashover of described high voltage bus comprises the following steps:
(1). by formula ratio, silicone resin is joined in dispersion cylinder, add solvent, dispersion agent, wax powder and wax slurry, aerosil under stirring at low speed state successively, with the Rate Dispersion 25 ~ 30 minutes of 1000 ~ 1200r/min;
(2). add pigment, ceramics powder, inorganic thickening agent, fire retardant, solidifying agent successively again, stir, discharging.
Theoretical according to surface chemistry, better with the material hydrophobicity performance that the surface tension difference of water is larger, the mean exposure angle of coating is at 95 °.The molecular structure of silicone resin determines the good hydrophobicity performance of this coating.The water absorbing properties of silicone resin is very low, the globule can only tumble on its surface or many be scattered on the coating surface, and continuous print water chain can not be formed or sprawl into moisture film thus can not the moistening generation therefore reducing Leakage Current, thus reach the effect of anti-flashover breakdown.
In order to understand better and implement, the following detailed description of the present invention.
Embodiment
In agents useful for same of the present invention, described Hydroxyethyl acrylate (HEMA), methyl ester butyl acrylate (BMA), vinylbenzene (St), methacrylic acid (MAA) and methyl methacrylate (MMA) manufacturer be Tianjin good fortune chemical reagent factory in morning or Mitsubishi Chemical Co., Ltd..Butyl acrylate is purchased from Ke Miou chemical reagent development centre, Tianjin.Initiator and chemical pure dimethylbenzene are purchased from Lian Nan Chemical Co., Ltd. of Changshu City.Dispersion agent is selected from least one in Dispersant5027, Dispersant5029 of Sheng Nuopuke.The filler of aluminium hydroxide, mica powder, ceramics powder, pigment and quartz sand composition is purchased from Jinan Jin Yingtai Chemical Co., Ltd..Inorganic thickening agent is selected from sub-at least one in the THICKENER625N of THICKENER629N, Sheng Nuopuke of NATROSAL250HBR, Sheng Nuopuke of dragon.Silicone resin is the X943 type resin of the emerging insulating material factory in Xi'an.Trimethylbenzene, ethylene glycol and ethyl acetate are technical grade.Wax powder is selected from the one in Shanghai Yan Run chemical industry wax powder series 1400SF, 1530F, 1588LF; Wax slurry be selected from Shanghai Yan Run chemical industry LiquiMatt6000C, LancoGliddMT wear resistance and extinction, Glidd4415 slipping and resistance to marring any one.Described toughner is PS toughner, purchased from Dongguan Guo Fengzhijia plastic material company.Described solidifying agent is polyamide curing agent, and technical grade, purchased from Xuzhou Chinaresearch Science&Technology Industry Co., Ltd..Described fire retardant is APP101102 halogen-free environment-friendlyflame flame retardant, and described auxiliary flame retardant is antimony peroxide, purchased from De Qian Chemical Co., Ltd..
synthetic resins prepares embodiment
The preparation method of synthetic resins of the present invention comprises the steps:
(1). under whole process nitrogen protection, by formula ratio in table 1, add in agitator with the solvent of parts by weight 50%, be heated to backflow;
(2). when reaching reflux state, mix monomer and initiator evenly being dropped in reactor in 2h, being added dropwise to complete the rear initiator adding 0.1 ~ 1 weight part, at maintenance thermotonus 1 ~ 2h;
(3) continuing insulation is at reflux 1500mPas to viscosity, finally adds remaining 50% solvent, finally stirs discharging and obtains synthetic resins.
< table 1 is with parts by weight >
In embodiment 1 ~ 3, described initiator is ditertiary butyl peroxide (DTBP); Described solvent is the mixture of trimethylbenzene, ethylene glycol and vinyl acetic monomer.
embodiment prepared by priming paint
The preparation method of priming paint of the present invention comprises the following steps:
(1). by table 2 formula ratio, the synthetic resins adding preparation in dispersion agent and embodiment 1 ~ 3 in a mixing bowl stirs,
(2). slowly add filler respectively under stirring at low speed state, dispersion 15 ~ 20 minutes after stirring, be ground to median size≤20 μm,
(3). finally transfer on stirrer and continue to add inorganic thickening agent, toughner, fire retardant, auxiliary flame retardant and solidifying agent, stir, discharging.
< table 2 is with parts by weight >
Filler described in embodiment 4 ~ 6 is aluminium hydroxide, mica powder, ceramics powder, pigment and quartz sand, and weight ratio is 5:1:1:2:1.
embodiment prepared by finish paint
The preparation method of finish paint of the present invention comprises the following steps:
(1). by formula ratio in table 3, silicone resin is joined in dispersion cylinder, add solvent, dispersion agent, wax powder and wax slurry, aerosil under stirring at low speed state successively, with the Rate Dispersion 25 ~ 30 minutes of 1000 ~ 1200r/min;
(2). add pigment, ceramics powder, inorganic thickening agent, fire retardant, solidifying agent successively again, stir, discharging.
< table 3 is with parts by weight >
In embodiment 7 ~ 9, described solvent is the mixture of trimethylbenzene, ethylene glycol and vinyl acetic monomer.
high voltage bus punctures insulation compound coating embodiment with anti-flashover is resistance to
The resistance to coating method puncturing insulation compound of anti-flashover of the present invention comprises the following steps:
(1). remove the grease on bus surface, moisture, dirt, oxide film and corrosion thing etc., wrapping protection is carried out to bus two ends conduction overlap glass wool cloth;
(2). T is heated to the bus Infrared heaters after removing surface
1dEG C;
(3). spray-on coating thickness is M
1μm priming paint, Insulation primer not completely solidification time spray-on coating thickness be M
2μm finish paint;
(4). during total coating thickness >350 μm, T
2infrared heating tmin is used at DEG C.
Wherein processing parameter and finish paint used and priming paint are in table 4
< shows 4>
The anti-flashover of high voltage bus of the present invention is resistance to punctures insulation compound spray paint when priming paint does not solidify completely, and priming paint, together with finish paint middle close binder melting and solidification, strengthens inter-layer bonding force.Be coated in after on high voltage bus and can form on bus surface the transport property insulating coating that one deck possesses hydrophobic nature and hydrophobic, this coating has excellent hydrophobic nature under cleaning condition, after coating top layer is covered by filth, small molecules hydrophobic group in glued membrane can alter pollution layer soon, move to pollution layer surface, make pollution layer surface also have excellent hydrophobic nature, thus control the generation of Leakage Current widely.The present invention is that matrix is equipped with other auxiliary material and obtains the resistance to insulating coating punctured of compound anti-flashover with epoxy modified silicone resin, thus reaches the effect of anti-flashover breakdown.
The present invention is not limited to above-mentioned embodiment, if do not depart from the spirit and scope of the present invention to various change of the present invention or distortion, if these are changed and distortion belongs within claim of the present invention and equivalent technologies scope, then the present invention is also intended to comprise these changes and distortion.
Claims (10)
1. the anti-flashover of high voltage bus is resistance to punctures an Insulation primer, it is characterized in that: be made up of the component of following weight part: 35 ~ 45 parts of synthetic resins, 0.8 ~ 2 part of dispersion agent, 45 ~ 65 parts of fillers, 10 ~ 15 parts of inorganic thickening agents, 5 ~ 10 parts of toughner, 10 ~ 15 parts of fire retardants, 10 ~ 15 parts of auxiliary flame retardants and 15 ~ 20 parts of solidifying agent.
2. the anti-flashover of a kind of high voltage bus according to claim 1 is resistance to punctures Insulation primer, it is characterized in that: described synthetic resins is prepared by following methods: under nitrogen protection, add in agitator weight part be 30 ~ 40 parts by trimethylbenzene, the mixed solvent that ethylene glycol and ethyl acetate form also is heated to backflow, by the Hydroxyethyl acrylate that weight part is 30 ~ 40 parts, the methyl ester butyl acrylate of 5 ~ 10 parts, the vinylbenzene of 25 ~ 33 parts, the methacrylic acid of 0.1 ~ 1 part, the methyl methacrylate of 10 ~ 20 parts, the butyl acrylate of 5 ~ 15 parts, the ditertiary butyl peroxide of 1 ~ 3 part evenly drops in reactor after mixing with the dimethylbenzene of 35 ~ 45 parts in 2h, be added dropwise to complete the rear initiator adding 0.1 ~ 1 weight part, 1 ~ 2h is reacted under keeping reflux state.Continuing insulation is at reflux 1500mPas to viscosity, finally add weight part be 30 ~ 40 parts mix by trimethylbenzene, ethylene glycol and ethyl acetate the mixed solvent formed, stirring discharging.
3. the anti-flashover of a kind of high voltage bus according to claim 1 is resistance to punctures Insulation primer, it is characterized in that: described initiator is ditertiary butyl peroxide.
4. the anti-flashover of a kind of high voltage bus according to claim 1 is resistance to punctures Insulation primer, it is characterized in that: described toughner melting index is 20 ~ 60g/10min, tensile strength>=8.9 ~ 9.1kgf/cm
2.
5. the anti-flashover of a kind of high voltage bus according to claim 1 is resistance to punctures Insulation primer, it is characterized in that: described filler is aluminium hydroxide, mica powder, ceramics powder, pigment and quartz sand; Its weight ratio is followed successively by 5: 1: 1: 2: 1.
6. the anti-flashover of high voltage bus is resistance to punctures insulation finish paint, it is characterized in that: be made up of the component of following weight part: 30 ~ 40 parts of silicone resins, 45 ~ 55 parts of mixed solvents be made up of trimethylbenzene, ethylene glycol and ethyl acetate, 0.8 ~ 2 part of dispersion agent, 20 ~ 35 parts of wax powder and wax slurry, 10 ~ 15 parts of aerosils, 12 ~ 18 parts of pigment, 8 ~ 12 parts of ceramics powders, 10 ~ 15 parts of inorganic thickening agents, 10 ~ 15 parts of fire retardants and 15 ~ 20 parts of solidifying agent.
7. the anti-flashover of a kind of high voltage bus according to claim 6 is resistance to punctures insulation finish paint, it is characterized in that: the ratio of R and the Si of described silicone resin is 1.2 ~ 1.6.
8. the resistance to coating method puncturing insulation compound of the anti-flashover of high voltage bus, is characterized in that comprising the following steps:
(1). remove the grease on bus surface, moisture, dirt, oxide film and corrosion thing etc., wrapping protection is carried out to bus two ends conduction overlap;
(2). 220 DEG C ~ 250 DEG C are heated to the bus Infrared heaters after removing surface;
(3). to be that the anti-flashover of high voltage bus as claimed in claim 1 of 80 ~ 300 μm is resistance to puncture Insulation primer to spray-on coating thickness, priming paint not completely solidification time spray-on coating thickness to be that the anti-flashover of high voltage bus as claimed in claim 6 of 100 ~ 500 μm is resistance to puncture insulation finish paint;
(4). during total coating thickness > 350 μm, at 180 ~ 230 DEG C, use infrared heating 10 ~ 30 minutes.
9. the resistance to coating method puncturing insulation compound of the anti-flashover of a kind of high voltage bus according to claim 8, is characterized in that: the anti-flashover of described high voltage bus is the resistance to preparation method puncturing Insulation primer comprise the following steps:
(1). by formula ratio, in a mixing bowl, add described synthetic resins and dispersion agent stirs;
(2). slowly add filler respectively under stirring at low speed state, dispersion 15 ~ 20 minutes after stirring, be ground to median size≤20 μm;
(3). finally transfer on stirrer and continue to add inorganic thickening agent, toughner, fire retardant, auxiliary flame retardant and solidifying agent, stir, discharging.
10. the resistance to coating method puncturing insulation compound of the anti-flashover of a kind of high voltage bus according to claim 8, is characterized in that: the anti-flashover of described high voltage bus is the resistance to preparation method puncturing insulation finish paint comprise the following steps:
(1). by formula ratio, silicone resin is joined in dispersion cylinder, add solvent, dispersion agent, wax powder and wax slurry, aerosil under stirring at low speed state successively, with the Rate Dispersion 25 ~ 30 minutes of 1000 ~ 1200r/min;
(2). add pigment, filler, inorganic thickening agent, fire retardant, solidifying agent successively again, stir, discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510767176.4A CN105331236A (en) | 2015-11-11 | 2015-11-11 | Anti-flashover and puncture-proof insulating paint of high voltage bus and coating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510767176.4A CN105331236A (en) | 2015-11-11 | 2015-11-11 | Anti-flashover and puncture-proof insulating paint of high voltage bus and coating method thereof |
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| CN105331236A true CN105331236A (en) | 2016-02-17 |
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Cited By (5)
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| CN107502154A (en) * | 2017-09-14 | 2017-12-22 | 无锡市永兴金属软管有限公司 | A kind of coating of resistance to breakdown suitable for metal hose spraying in high-tension switch cabinet |
| CN108485342A (en) * | 2018-04-20 | 2018-09-04 | 山东非金属材料研究所 | A kind of composite anti-corrosion baking vanish |
| CN108864785A (en) * | 2018-06-21 | 2018-11-23 | 镇江市益宝电气科技有限公司 | A kind of high-voltage insulated bus and coating process |
| CN108912885A (en) * | 2018-06-21 | 2018-11-30 | 镇江市益宝电气科技有限公司 | A kind of impact resistance bus and coating process |
| CN112275595A (en) * | 2020-10-22 | 2021-01-29 | 信和新材料股份有限公司 | Construction process of ultraviolet curing electric leakage blocking protective coating |
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| CN108912885A (en) * | 2018-06-21 | 2018-11-30 | 镇江市益宝电气科技有限公司 | A kind of impact resistance bus and coating process |
| CN112275595A (en) * | 2020-10-22 | 2021-01-29 | 信和新材料股份有限公司 | Construction process of ultraviolet curing electric leakage blocking protective coating |
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