CN106280963A - Insulation aging resistance switch cubicle and preparation method thereof - Google Patents
Insulation aging resistance switch cubicle and preparation method thereof Download PDFInfo
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- CN106280963A CN106280963A CN201610632785.3A CN201610632785A CN106280963A CN 106280963 A CN106280963 A CN 106280963A CN 201610632785 A CN201610632785 A CN 201610632785A CN 106280963 A CN106280963 A CN 106280963A
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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
- C09D175/08—Polyurethanes from polyethers
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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
- 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
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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
- 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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
- 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
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- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a kind of insulation aging resistance switch cubicle and preparation method thereof, the method includes: polyether Glycols, diisocyanate, bentonite, Firebrake ZB, BTA, Ludox, ethyl acetate and tungsten disulfide 1) carry out under conditions of evacuation haptoreaction with prepared component one；2) ethylene vinyl acetate second dilute emulsion, polyether-tribasic alcohol, inorganic carbon sources, lead naphthenate, hydroquinone, kieselguhr, aluminium silicate fiber peacekeeping alkyl sulfonic acid alcohol ether are carried out haptoreaction in the presence of uv light with prepared component two；3) component one is mixed with component two, be subsequently added into gelatin, carbamide, Colophonium and silicon dioxide and carry out ultrasonic vibration with prepared insulation aging resistance coating；4) insulation aging resistance coating is coated on the surface of switch cabinet body and is dried to prepare described insulation aging resistance switch cubicle.The insulation aging resistance switch cubicle prepared by the method has insulating properties and the ageing resistance of excellence.
Description
Technical field
The present invention relates to switch cubicle, in particular it relates to a kind of insulation aging resistance switch cubicle and preparation method thereof.
Background technology
Electrical equipment (Electrical Equipment) be in power system to electromotor, transformator, power circuit,
The general designation of the equipment such as chopper.Wherein, switch cubicle (switch cabinet) is a kind of typical electrical equipment, switch cubicle outside line
Being introduced into master switch in cabinet, switch subsequently into sub-control, each branch is needed to arrange, such as instrument, automatic control, motor magnetic force by it
Switch, various A.C. contactors etc., have also sets altitude chamber and low-pressure chamber switch cubicle, is provided with high voltage bus, such as power plant etc., has
Be additionally provided with for protect capital equipment low-frequency load reduction.
In order to protect the shell of switch cubicle, typically can be at the surface spraying material of the cabinet of switch cubicle to be formed in prior art
Dope layer and then play the corrosion of the shell preventing switch cubicle, simultaneously works as the effect of anti-insulation.Electrically set although most
For being installed on outdoor, simultaneously containing substantial amounts of Organic substance in dope layer, and then dope layer there will be aging under field conditions (factors)
Situation, then the effect that dope layer is to be played will be put line and be declined, and then causes the shell of electrical equipment to there will be corrosion
Situation, also makes the safety of electrical equipment be difficult to be protected simultaneously.
Summary of the invention
It is an object of the invention to provide a kind of insulation aging resistance switch cubicle and preparation method thereof, by opening that the method prepares
Closing cabinet and have insulating properties and the ageing resistance of excellence, this preparation method operation is simple simultaneously, and raw material is easy to get, it is simple to volume production.
To achieve these goals, the invention provides the preparation method of a kind of aging resistance switch cubicle that insulate, the method bag
Include:
1) by polyether Glycols, diisocyanate, bentonite, Firebrake ZB, BTA, Ludox, ethyl acetate and
Tungsten disulfide carries out haptoreaction with prepared component one under conditions of evacuation；
2) by ethyl vinyl acetate second dilute emulsion, polyether-tribasic alcohol, inorganic carbon sources, lead naphthenate, hydroquinone, kieselguhr,
Aluminium silicate fiber peacekeeping alkyl sulfonic acid alcohol ether carries out haptoreaction in the presence of uv light with prepared component two；
3) component one is mixed with component two, be subsequently added into gelatin, carbamide, Colophonium and silicon dioxide carry out ultrasonic vibration with
Prepare insulation aging resistance coating；
4) described insulation aging resistance coating is coated on the surface of switch cabinet body and is dried to prepare described insulation anti-ageing
Switching cabinet.
Invention further provides a kind of insulation aging resistance switch cubicle, this insulation aging resistance switch cubicle is by above-mentioned side
Method is prepared.
By technique scheme, the present invention is by above-mentioned each component and the synergism of each step so that prepared
Insulation aging resistance switch cubicle has insulating properties and the ageing resistance of excellence, and this preparation method operation is simple simultaneously, and raw material is easy to get, just
In volume production.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that described herein specifically
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides the preparation method of a kind of aging resistance switch cubicle that insulate, the method includes:
1) by polyether Glycols, diisocyanate, bentonite, Firebrake ZB, BTA, Ludox, ethyl acetate and
Tungsten disulfide carries out haptoreaction with prepared component one under conditions of evacuation；
2) by ethyl vinyl acetate second dilute emulsion, polyether-tribasic alcohol, inorganic carbon sources, lead naphthenate, hydroquinone, kieselguhr,
Aluminium silicate fiber peacekeeping alkyl sulfonic acid alcohol ether carries out haptoreaction in the presence of uv light with prepared component two；
3) component one is mixed with component two, be subsequently added into gelatin, carbamide, Colophonium and silicon dioxide carry out ultrasonic vibration with
Prepare insulation aging resistance coating；
4) described insulation aging resistance coating is coated on the surface of switch cabinet body and is dried to prepare described insulation anti-ageing
Switching cabinet.
Step 1 in the present invention) in, catalytic actual conditions can select in wide scope, but in order to make
Insulation aging resistance switch cubicle must be prepared there is more excellent insulating properties and ageing resistance, it is preferable that in step 1) in, haptoreaction
At least meeting following condition: reaction temperature is 250-280 DEG C, the response time is 80-120min, and vacuum is 0.2-0.5MPa.
Step 1 in the present invention) in, the concrete kind of polyether Glycols can select in wide scope, but in order to
Make to prepare insulation aging resistance switch cubicle and there is more excellent insulating properties and ageing resistance, it is preferable that in step 1) in, polyethers two
The weight average molecular weight of unit's alcohol is 1000-4000.
Step 1 in the present invention) in, the consumption of each material can select in wide scope, but so for preparing
Insulation aging resistance switch cubicle has more excellent insulating properties and ageing resistance, it is preferable that in step 1) in, relative to 100 weight
The polyether Glycols of part, the consumption of diisocyanate is 8-17 weight portion, and bentonitic consumption is 4-9 weight portion, Firebrake ZB
Consumption is 1-4 weight portion, and the consumption of BTA is 25-36 weight portion, and the consumption of Ludox is 19-30 weight portion, acetic acid
The consumption of ethyl ester is 40-54 weight portion, and the consumption of tungsten disulfide is 0.5-1.8 weight portion.
Step 2 in the present invention) in, catalytic actual conditions can select in wide scope, but in order to make
Insulation aging resistance switch cubicle must be prepared there is more excellent insulating properties and ageing resistance, it is preferable that in step 2) in, haptoreaction
At least meeting following condition: reaction temperature is 70-110 DEG C, the response time is 4-6h, and the wavelength of ultraviolet is 200-250nm.
Step 2 in the present invention) in, the concrete kind of polyether-tribasic alcohol can select in wide scope, but in order to
Make to prepare insulation aging resistance switch cubicle and there is more excellent insulating properties and ageing resistance, it is preferable that in step 2) in, polyethers three
The weight average molecular weight of unit's alcohol is 3000-7000.
Step 2 in the present invention) in, the size of inorganic carbon sources can select in wide scope, but so that
Prepare insulation aging resistance switch cubicle and there is more excellent insulating properties and ageing resistance, it is preferable that in step 2) in, inorganic carbon sources
Size be: a length of 30-200um, draw ratio is 10-200.
Step 2 in the present invention) in, the size of alumina silicate fibre can select in wide scope, but so that
Prepare insulation aging resistance switch cubicle and there is more excellent insulating properties and ageing resistance, it is preferable that in step 2) in, alumina silicate fibre
Size meet: a length of 0.1-0.7mm, a diameter of 3-5 μm.
Step 2 in the present invention) in, the concrete kind of inorganic carbon sources can select in wide scope, but in order to
Make to prepare insulation aging resistance switch cubicle and there is more excellent insulating properties and ageing resistance, it is preferable that in step 2) in, inorganic salt
One or more in calcium sulfate crystal whiskers, alkali magnesium sulfate crystal whisker, potassium titanate crystal whisker and magnesium borate crystal whisker of whisker.
Step 2 in the present invention) in, the consumption of each material can select in wide scope, but so for preparing
Insulation aging resistance switch cubicle has more excellent insulating properties and ageing resistance, it is preferable that in step 2) in, relative to 100 weight
The ethyl vinyl acetate second dilute emulsion of part, the consumption of polyether-tribasic alcohol is 80-92 weight portion, and the consumption of inorganic carbon sources is 0.4-1.3
Weight portion, the consumption of lead naphthenate is 0.7-1.5 weight portion, and the consumption of hydroquinone is 20-29 weight portion, diatomaceous consumption
For 4-10 weight portion, the consumption of alumina silicate fibre is 8-17 weight portion, and the consumption of alkyl sulfonic acid alcohol ether is 55-68 weight portion.
Step 3 in the present invention) in, the consumption of each material can select in wide scope, but so for preparing
Insulation aging resistance switch cubicle has more excellent insulating properties and ageing resistance, it is preferable that relative to the component one of 100 weight portions,
The consumption of component two is 68-85 weight portion, and the consumption of gelatin is 11-16 weight portion, and the consumption of carbamide is 8-19 weight portion, Colophonium
Consumption be 5-11 weight portion, the consumption of silicon dioxide is 22-37 weight portion.
Step 3 in the present invention) in, the actual conditions of ultrasonic vibration can select in wide scope, but in order to make
Must prepare insulation aging resistance switch cubicle there is more excellent insulating properties and ageing resistance, it is preferable that ultrasonic vibration at least meet with
Lower condition: concussion temperature is 15-40 DEG C, and the concussion time is 30-50min, and the frequency of ultrasound wave is 50-70MHZ.
Invention further provides a kind of insulation aging resistance switch cubicle, this insulation aging resistance switch cubicle is by above-mentioned side
Method is prepared.
Hereinafter will be described the present invention by embodiment.
Embodiment 1
1) by polyether Glycols (weight average molecular weight is 3000), diisocyanate, bentonite, Firebrake ZB, BTA,
Ludox, ethyl acetate and tungsten disulfide mix according to the weight ratio of 100:15:7:3:29:22:47:0.9, and in temperature are
270 DEG C and vacuum are to carry out haptoreaction 100min with prepared component one under conditions of 0.4MPa；
2) by (a length of to ethyl vinyl acetate second dilute emulsion, polyether-tribasic alcohol (weight average molecular weight is 5000), inorganic carbon sources
100um, draw ratio is 100, calcium sulfate crystal whiskers), lead naphthenate, hydroquinone, kieselguhr, alumina silicate fibre (a length of
0.5mm, a diameter of 4 μm) and alkyl sulfonic acid alcohol ether mix according to the weight ratio of 100:87:0.7:0.9:25:8:12:59, and
Wavelength be 230nm ultraviolet and temperature be 90 DEG C under conditions of carry out haptoreaction 5h with prepared component two；
3) component one is mixed with component two, be subsequently added into gelatin, carbamide, Colophonium and silicon dioxide, and be 30 in temperature
DEG C and frequency be 60MHZ ultrasound condition under shake 40min with prepared insulation aging resistance coating, wherein, component one, component two,
The weight ratio of gelatin, carbamide, Colophonium and silicon dioxide is 100:75:14:12:8:28；
4) above-mentioned insulation aging resistance coating is coated on the surface of switch cabinet body, and dries in the shade with prepared insulation at 15 DEG C
Aging resistance switch cubicle A1, wherein, the thickness of the dope layer on the surface of switch cubicle is 50.
Embodiment 2
1) by polyether Glycols (weight average molecular weight is 1000), diisocyanate, bentonite, Firebrake ZB, BTA,
Ludox, ethyl acetate and tungsten disulfide according to 100:8:4:1:25:19:40:0.5 weight ratio mix, and in temperature be 250
DEG C and vacuum be to carry out haptoreaction 80min with prepared component one under conditions of 0.2MPa；
2) by (a length of to ethyl vinyl acetate second dilute emulsion, polyether-tribasic alcohol (weight average molecular weight is 3000), inorganic carbon sources
30um, draw ratio is 10, alkali magnesium sulfate crystal whisker), lead naphthenate, hydroquinone, kieselguhr, alumina silicate fibre (a length of
0.1mm, a diameter of 3 μm) and alkyl sulfonic acid alcohol ether mix according to the weight ratio of 100:80:0.4:0.7:20:4:8:55, and at ripple
A length of 200nm ultraviolet and temperature carry out haptoreaction 4h with prepared component two under conditions of being 70 DEG C；
3) component one is mixed with component two, be subsequently added into gelatin, carbamide, Colophonium and silicon dioxide, and be 15 in temperature
DEG C and frequency be 50MHZ ultrasound condition under shake 30min with prepared insulation aging resistance coating, wherein, component one, component two,
The weight ratio of gelatin, carbamide, Colophonium and silicon dioxide is 100:68:11:8:5:22；
4) above-mentioned insulation aging resistance coating is coated on the surface of switch cabinet body, and dries in the shade with prepared insulation at 15 DEG C
Aging resistance switch cubicle A2, wherein, the thickness of the dope layer on the surface of switch cubicle is 50.
Embodiment 3
1) by polyether Glycols (weight average molecular weight is 4000), diisocyanate, bentonite, Firebrake ZB, BTA,
Ludox, ethyl acetate and tungsten disulfide mix according to the weight ratio of 100:17:9:4:36:30:54:1.8, and in temperature are
280 DEG C and vacuum are to carry out haptoreaction 120min with prepared component one under conditions of 0.5MPa；
2) by (a length of to ethyl vinyl acetate second dilute emulsion, polyether-tribasic alcohol (weight average molecular weight is 7000), inorganic carbon sources
200um, draw ratio is 200, magnesium borate crystal whisker), lead naphthenate, hydroquinone, kieselguhr, alumina silicate fibre (a length of
0.7mm, a diameter of 5 μm) and alkyl sulfonic acid alcohol ether mix according to the weight ratio of 100:92:1.3:1.5:29:10:17:68, and
Wavelength be 250nm ultraviolet and temperature be 110 DEG C under conditions of carry out haptoreaction 6h with prepared component two；
3) component one is mixed with component two, be subsequently added into gelatin, carbamide, Colophonium and silicon dioxide, and be 40 in temperature
DEG C and frequency be 70MHZ ultrasound condition under shake 50min with prepared insulation aging resistance coating, wherein, component one, component two,
The weight ratio of gelatin, carbamide, Colophonium and silicon dioxide is 100:85:16:19:11:37；
4) above-mentioned insulation aging resistance coating is coated on the surface of switch cabinet body, and dries in the shade with prepared insulation at 15 DEG C
Aging resistance switch cubicle A3, wherein, the thickness of the dope layer on the surface of switch cubicle is 50.
Comparative example 1
Carry out preparing switch cubicle B1, except for the difference that, step 1 according to the method for embodiment 1) in do not use diisocyanate.
Comparative example 2
Carry out preparing switch cubicle B2, except for the difference that, step 1 according to the method for embodiment 1) in do not use bentonite.
Comparative example 3
Carry out preparing switch cubicle B3, except for the difference that, step 1 according to the method for embodiment 1) in do not use BTA.
Comparative example 4
Carry out preparing switch cubicle B4, except for the difference that, step 1 according to the method for embodiment 1) in do not use tungsten disulfide.
Comparative example 5
Carry out preparing switch cubicle B5, except for the difference that, step 2 according to the method for embodiment 1) in do not use inorganic carbon sources.
Comparative example 6
Carry out preparing switch cubicle B6, except for the difference that, step 2 according to the method for embodiment 1) in do not use alumina silicate fibre.
Comparative example 7
Carry out preparing switch cubicle B7, except for the difference that, step 2 according to the method for embodiment 1) in do not use gelatin.
Comparative example 8
Carry out preparing switch cubicle B8, except for the difference that, step 2 according to the method for embodiment 1) in do not use carbamide.
Comparative example 9
Carry out preparing switch cubicle B9, except for the difference that, step 2 according to the method for embodiment 1) in do not use Colophonium.
Detection example 1
1) the specific insulation ρ 1 (10 of above-mentioned coating layer is detected5Ω m), concrete outcome is shown in Table 1；
2) continuing within 3 days, to spray pH to above-mentioned dope layer is the acid solution of 3, then detects the specific insulation 2 (10 of dope layer5
Ω m), concrete outcome is shown in Table 1；
3) the above-mentioned switch cubicle with dope layer is placed under the ultraviolet that wavelength is 200nm irradiation 30h, then detects painting
The specific insulation 3 (10 of the bed of material5Ω m), concrete outcome is shown in Table 1.
Table 1
| ρ1(105Ω m) | ρ2(105Ω m) | ρ3(105Ω m) | |
| A1 | 7.5 | 7.3 | 7.4 |
| A2 | 7.6 | 7.5 | 7.2 |
| A3 | 7.4 | 7.1 | 7.1 |
| B1 | 1.2 | 0.5 | 0.6 |
| B2 | 1.4 | 0.6 | 0.9 |
| B3 | 2.1 | 1.0 | 0.8 |
| B4 | 1.0 | 0.3 | 0.2 |
| B5 | 1.9 | 1.1 | 0.9 |
| B6 | 0.8 | 0.4 | 0.2 |
| B7 | 0.9 | 0.3 | 0.4 |
| B8 | 1.5 | 1.0 | 0.7 |
| B9 | 1.4 | 0.1 | 0.5 |
By above-described embodiment, comparative example and detection example, the insulation aging resistance switch cubicle that the present invention provides not only has
There are excellent anti-insulating properties, the most also there is the corrosion-resistant of excellence and aging-resistant performance.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the technology concept of the present invention, technical scheme can be carried out multiple simple variant, this
A little simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the preparation method of the aging resistance switch cubicle that insulate, it is characterised in that including:
1) by polyether Glycols, diisocyanate, bentonite, Firebrake ZB, BTA, Ludox, ethyl acetate and two sulfur
Change tungsten and under conditions of evacuation, carry out haptoreaction with prepared component one；
2) by ethyl vinyl acetate second dilute emulsion, polyether-tribasic alcohol, inorganic carbon sources, lead naphthenate, hydroquinone, kieselguhr, silicic acid
Aluminum fiber and alkyl sulfonic acid alcohol ether carry out haptoreaction in the presence of uv light with prepared component two；
3) described component one is mixed with component two, be subsequently added into gelatin, carbamide, Colophonium and silicon dioxide carry out ultrasonic vibration with
Prepare insulation aging resistance coating；
4) described insulation aging resistance coating is coated on the surface of switch cabinet body and is dried to prepare that described insulation is anti-ageing melts
Close cabinet.
Preparation method the most according to claim 1, wherein, in step 1) in, described haptoreaction at least meets following bar
Part: reaction temperature is 250-280 DEG C, the response time is 80-120min, and vacuum is 0.2-0.5MPa；
Preferably, in step 1) in, the weight average molecular weight of described polyether Glycols is 1000-4000.
Preparation method the most according to claim 1 and 2, wherein, in step 1) in, described relative to 100 weight portions gathers
Ether dihydroxylic alcohols, the consumption of described diisocyanate is 8-17 weight portion, and described bentonitic consumption is 4-9 weight portion, described boron
The consumption of acid zinc is 1-4 weight portion, and the consumption of described BTA is 25-36 weight portion, and the consumption of described Ludox is 19-
30 weight portions, the consumption of described ethyl acetate is 40-54 weight portion, and the consumption of described tungsten disulfide is 0.5-1.8 weight portion.
Preparation method the most according to claim 3, wherein, in step 2) in, described haptoreaction at least meets following bar
Part: reaction temperature is 70-110 DEG C, the response time is 4-6h, and the wavelength of ultraviolet is 200-250nm；
Preferably, in step 2) in, the weight average molecular weight of described polyether-tribasic alcohol is 3000-7000.
Preparation method the most according to claim 3, wherein, in step 2) in, the size of described inorganic carbon sources is: length
For 30-200um, draw ratio is 10-200；
Preferably, in step 2) in, the size of described alumina silicate fibre meets: a length of 0.1-0.7mm, a diameter of 3-5 μm.
Preparation method the most according to claim 3, wherein, in step 2) in, described inorganic carbon sources is brilliant selected from calcium sulfate
One or more in palpus, alkali magnesium sulfate crystal whisker, potassium titanate crystal whisker and magnesium borate crystal whisker.
7. according to the preparation method described in any one in claim 4-6, wherein, in step 2) in, relative to 100 weight portions
Described ethyl vinyl acetate second dilute emulsion, the consumption of described polyether-tribasic alcohol is 80-92 weight portion, the use of described inorganic carbon sources
Amount is 0.4-1.3 weight portion, and the consumption of described lead naphthenate is 0.7-1.5 weight portion, and the consumption of described hydroquinone is 20-29
Weight portion, described diatomaceous consumption is 4-10 weight portion, and the consumption of described alumina silicate fibre is 8-17 weight portion, described alkyl
The consumption of sulfonic acid alcohol ether is 55-68 weight portion.
Preparation method the most according to claim 7, wherein, relative to the described component one of 100 weight portions, described component two
Consumption be 68-85 weight portion, the consumption of described gelatin is 11-16 weight portion, and the consumption of described carbamide is 8-19 weight portion, institute
The consumption stating Colophonium is 5-11 weight portion, and the consumption of described silicon dioxide is 22-37 weight portion.
Preparation method the most according to claim 8, wherein, described ultrasonic vibration at least meets following condition: shake temperature
For 15-40 DEG C, the concussion time is 30-50min, and the frequency of ultrasound wave is 50-70MHZ.
10. an insulation aging resistance switch cubicle, it is characterised in that described insulation aging resistance switch cubicle is by claim 1-9
Method described in any one is prepared.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550663A (en) * | 2018-11-20 | 2019-04-02 | 浙江新跃电气有限公司 | A kind of preparation method of high insulated type switchgear |
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| US20050137303A1 (en) * | 2003-12-19 | 2005-06-23 | Shelby Marcus D. | Blends of aliphatic-aromatic copolyesters with ethylene-vinyl acetate copolymers |
| CN101760135A (en) * | 2008-12-24 | 2010-06-30 | 孙锡宁 | Moisture-curing polyurethane epoxy coal-tar bitumastic |
| CN103694880A (en) * | 2013-12-30 | 2014-04-02 | 浙江荣泰科技企业有限公司 | Preparation method of waterborne one-component polyurethane paint with low viscosity |
| CN105238004A (en) * | 2015-09-24 | 2016-01-13 | 安徽卓越电力设备有限公司 | Nonmetal corrosion-resistant prefabricated transformer substation box composite base plate |
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| CN109550663A (en) * | 2018-11-20 | 2019-04-02 | 浙江新跃电气有限公司 | A kind of preparation method of high insulated type switchgear |
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