CN109354883A - A kind of large-capacity power capacitor insulating materials preparation method - Google Patents
A kind of large-capacity power capacitor insulating materials preparation method Download PDFInfo
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- CN109354883A CN109354883A CN201811215713.4A CN201811215713A CN109354883A CN 109354883 A CN109354883 A CN 109354883A CN 201811215713 A CN201811215713 A CN 201811215713A CN 109354883 A CN109354883 A CN 109354883A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of 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; Compositions of derivatives of such polymers
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- C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
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- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention discloses a kind of large-capacity power capacitor insulating materials preparation methods; include the following steps: for calcium-base bentonite, magnesium stearate, Carvedilol oleamide, vinyl bis-stearamides to be stirred at room temperature; heating continues to stir; it is cooling; polyoxyethylene grinding is added, acrylic acid is added and continues to grind, potassium peroxydisulfate is added under nitrogen protection, sodium sulfite stirs evenly; N is added, N- methylene-bisacrylamide stirs to get prefabricated material；Fluorine silicone rubber, neoprene, polyurethane rubber, alkyd resin, prefabricated material, sepiolite powder, glass fibre, epoxidized soybean oil, disproportionated rosin, lauric acid, tall oil, antioxidant TNP are kneaded and uniformly obtain rubber compound；Peroxidized t-butyl perbenzoate, potassium bichromate mixing are added into rubber compound uniformly, vulcanization, extrusion molding obtains large-capacity power capacitor insulating materials.Large-capacity power capacitor proposed by the present invention insulating materials preparation method, gained insulating materials high-low temperature resistant, long service life.
Description
Technical field
The present invention relates to power capacitor technical field more particularly to a kind of large-capacity power capacitor insulating materials systems
Preparation Method.
Background technique
At present in high-low pressure power supply system, using a large amount of power supply unit, again using many in its power supply unit
Component is set up, wherein just there is large-capacity power capacitor, presently used power capacitor is the special product for disappearing sell in the market,
Its structure is that outside is a capsul, and shell is provided with capacitor core, and capacitor core is that multi-layer dielectric and insulating materials are folded
At its insulating materials used there is technical issues that not at present.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of large-capacity power capacitor insulating materials
Preparation method, gained insulating materials high-low temperature resistant, long service life.
A kind of large-capacity power capacitor insulating materials preparation method proposed by the present invention, includes the following steps:
S1, calcium-base bentonite, magnesium stearate, Carvedilol oleamide, vinyl bis-stearamides are stirred at room temperature, heating continues
Stirring, it is cooling, polyoxyethylene grinding is added, acrylic acid is added and continues to grind, potassium peroxydisulfate, sodium sulfite are added under nitrogen protection
It stirs evenly, N is added, N- methylene-bisacrylamide stirs to get prefabricated material；
S2, by fluorine silicone rubber, neoprene, polyurethane rubber, alkyd resin, prefabricated material, sepiolite powder, glass fibre,
Epoxidized soybean oil, disproportionated rosin, lauric acid, tall oil, antioxidant TNP, which are kneaded, uniformly obtains rubber compound；
S3, peroxidized t-butyl perbenzoate, potassium bichromate mixing are added into rubber compound uniformly, vulcanization, extrusion molding obtains
To large-capacity power capacitor insulating materials.
Preferably, in S1, calcium-base bentonite, magnesium stearate, Carvedilol oleamide, vinyl bis-stearamides, polyoxyethylene,
Acrylic acid, potassium peroxydisulfate, sodium sulfite, N,N methylene bis acrylamide weight ratio be 35-45:2-6:4-12:30-50:
2-10:4-12:0.02-0.1:0.12-0.18:0.2-0.8.
Preferably, in S1, calcium-base bentonite, magnesium stearate, Carvedilol oleamide, vinyl bis-stearamides are stirred at room temperature
2-4min is warming up to 180-190 DEG C and continues to stir 4-8min, be cooled to 30-38 DEG C, polyoxyethylene is added and grinds 4-10min, grinds
Mill pressure is 0.14-0.3kPa, and acrylic acid is added and continues to grind 10-14min, potassium peroxydisulfate, sulfurous acid is added under nitrogen protection
Sodium stirs evenly, and N is added, and N- methylene-bisacrylamide stirs 4-12min, and whipping temp is 90-110 DEG C, obtains prefabricated material.
Preferably, in S2, fluorine silicone rubber, neoprene, polyurethane rubber, alkyd resin, prefabricated material, sepiolite powder, glass
Glass fiber, epoxidized soybean oil, disproportionated rosin, lauric acid, tall oil, antioxidant TNP weight ratio be 100-120:34-54:20-
30:2-10:4-12:20-40:4-12:0.4-1:1-2:0.4-1.2:1-2:1-2.
Preferably, in S3, curing temperature is 120-140 DEG C, vulcanization time 3-6min.
Preferably, in S3, rubber compound, peroxidized t-butyl perbenzoate, potassium bichromate weight ratio be 80-100:0.8-
1.2:0.12-0.25.
In S1 of the present invention, calcium-base bentonite is dispersed in vinyl bis-stearamides, in magnesium stearate and Carvedilol oleamide
Cooperation under, can promote lubrication after rate of powder it is good, be added polyoxyethylene grinding intercalation after promote calcium-base bentonite lamella
Separation is further crosslinked and is formed inierpeneirating network structure using acrylic acid, and thermal stability is fabulous, excellent in mechanical performance；In S2, in advance
System material is compounded with sepiolite powder, glass fibre, and sepiolite powder, glass fibre can be promoted to disperse in fluorine silicone rubber, is guaranteeing this
On the basis of invention gained insulating materials thermal stability and mechanical property, sepiolite powder, the additive amount of glass fibre are high, can reduce
The additional amount of fluorine silicone rubber reduces cost input indirectly, and prefabricated material is compounded with epoxidized soybean oil, disproportionated rosin, tough in promotion
Property reach balanced with hardness under the premise of, the present invention gained insulating materials resistant of high or low temperature it is good, thermostabilization is good, can effectively promote fluorine
Silicon rubber disperses in system with neoprene, polyurethane rubber, alkyd resin, by peroxidized t-butyl perbenzoate, weight chromium
Sour potassium synergistic effect is used as vulcanizing system, and cure is good, present invention gained insulating materials excellent in mechanical performance, long service life,
Temperature resistant range of the present invention reaches -70 DEG C~250 DEG C, and service life reaches 10000h or more.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of large-capacity power capacitor insulating materials preparation method, includes the following steps:
S1, by 35kg calcium-base bentonite, 6kg magnesium stearate, 4kg Carvedilol oleamide, 50kg vinyl bis-stearamides room
Temperature stirring 2min is warming up to 190 DEG C and continues to stir 4min, is cooled to 38 DEG C, and 2kg polyoxyethylene is added and grinds 10min, grinding pressure
Power is 0.14kPa, and 12kg acrylic acid is added and continues to grind 10min, it is sub- that 0.1kg potassium peroxydisulfate, 0.12kg is added under nitrogen protection
Sodium sulphate stirs evenly, and 0.8kgN is added, and N- methylene-bisacrylamide stirs 4min, and whipping temp is 110 DEG C, obtains prefabricated
Material；
It is S2,100kg fluorine silicone rubber, 54kg neoprene, 20kg polyurethane rubber, 10kg alkyd resin, 4kg is prefabricated
Material, 40kg sepiolite powder, 4kg glass fibre, 1kg epoxidized soybean oil, 1kg disproportionated rosin, 1.2kg lauric acid, 1kg tall oil,
2kg antioxidant TNP, which is kneaded, uniformly obtains rubber compound；
S3,1.2kg peroxidized t-butyl perbenzoate, the mixing of 0.12kg potassium bichromate are added into 80kg rubber compound uniformly,
140 DEG C of vulcanization 3min, extrusion molding obtain large-capacity power capacitor insulating materials.
Embodiment 2
A kind of large-capacity power capacitor insulating materials preparation method, includes the following steps:
S1, by 45kg calcium-base bentonite, 2kg magnesium stearate, 12kg Carvedilol oleamide, 30kg vinyl bis-stearamides room
Temperature stirring 4min is warming up to 180 DEG C and continues to stir 8min, is cooled to 30 DEG C, and 10kg polyoxyethylene is added and grinds 4min, grinding pressure
Power is 0.3kPa, and 4kg acrylic acid is added and continues to grind 14min, 0.02kg potassium peroxydisulfate, 0.18kg sulfurous is added under nitrogen protection
Sour sodium stirs evenly, and 0.2kgN is added, and N- methylene-bisacrylamide stirs 12min, and whipping temp is 90 DEG C, obtains prefabricated
Material；
It is S2,120kg fluorine silicone rubber, 34kg neoprene, 30kg polyurethane rubber, 2kg alkyd resin, 12kg is prefabricated
Material, 20kg sepiolite powder, 12kg glass fibre, 0.4kg epoxidized soybean oil, 2kg disproportionated rosin, 0.4kg lauric acid, 2kg Carvedilol
Oil, 1kg antioxidant TNP, which are kneaded, uniformly obtains rubber compound；
S3,0.8kg peroxidized t-butyl perbenzoate, the mixing of 0.25kg potassium bichromate are added into 100kg rubber compound uniformly,
120 DEG C of vulcanization 6min, extrusion molding obtain large-capacity power capacitor insulating materials.
Embodiment 3
A kind of large-capacity power capacitor insulating materials preparation method, includes the following steps:
S1, by 38kg calcium-base bentonite, 5kg magnesium stearate, 6kg Carvedilol oleamide, 45kg vinyl bis-stearamides room
Temperature stirring 2.5min is warming up to 188 DEG C and continues to stir 5min, is cooled to 36 DEG C, and 6kg polyoxyethylene is added and grinds 8min, grinding
Pressure is 0.18kPa, and 10kg acrylic acid is added and continues to grind 11min, 0.08kg potassium peroxydisulfate, 0.14kg is added under nitrogen protection
Sodium sulfite stirs evenly, and 0.6kgN is added, and N- methylene-bisacrylamide stirs 6min, and whipping temp is 105 DEG C, obtains pre-
System material；
S2, by 105kg fluorine silicone rubber, 50kg neoprene, 22kg polyurethane rubber, 8kg alkyd resin, the prefabricated material of 6kg,
35kg sepiolite powder, 6kg glass fibre, 0.8kg epoxidized soybean oil, 1.3kg disproportionated rosin, 1kg lauric acid, 1.3kg tall oil,
1.6kg antioxidant TNP, which is kneaded, uniformly obtains rubber compound；
S3,1.1kg peroxidized t-butyl perbenzoate, the mixing of 0.16kg potassium bichromate are added into 85kg rubber compound uniformly,
135 DEG C of vulcanization 4min, extrusion molding obtain large-capacity power capacitor insulating materials.
Embodiment 4
A kind of large-capacity power capacitor insulating materials preparation method, includes the following steps:
S1, by 42kg calcium-base bentonite, 3kg magnesium stearate, 10kg Carvedilol oleamide, 35kg vinyl bis-stearamides room
Temperature stirring 3.5min is warming up to 182 DEG C and continues to stir 7min, is cooled to 32 DEG C, and 8kg polyoxyethylene is added and grinds 6min, grinding
Pressure is 0.22kPa, and 6kg acrylic acid is added and continues to grind 13min, 0.04kg potassium peroxydisulfate, 0.16kg is added under nitrogen protection
Sodium sulfite stirs evenly, and 0.4kgN is added, and N- methylene-bisacrylamide stirs 10min, and whipping temp is 95 DEG C, obtains pre-
System material；
It is S2,115kg fluorine silicone rubber, 40kg neoprene, 28kg polyurethane rubber, 4kg alkyd resin, 10kg is prefabricated
Material, 25kg sepiolite powder, 10kg glass fibre, 0.6kg epoxidized soybean oil, 1.7kg disproportionated rosin, 0.6kg lauric acid, 1.7kg
Tall oil, 1.4kg antioxidant TNP, which are kneaded, uniformly obtains rubber compound；
S3,0.9kg peroxidized t-butyl perbenzoate, the mixing of 0.2kg potassium bichromate are added into 95kg rubber compound uniformly,
125 DEG C of vulcanization 5min, extrusion molding obtain large-capacity power capacitor insulating materials.
Embodiment 5
A kind of large-capacity power capacitor insulating materials preparation method, includes the following steps:
S1, by 40kg calcium-base bentonite, 4kg magnesium stearate, 8kg Carvedilol oleamide, 40kg vinyl bis-stearamides room
Temperature stirring 3min is warming up to 185 DEG C and continues to stir 6min, is cooled to 34 DEG C, and 7kg polyoxyethylene is added and grinds 7min, grinding pressure
Power is 0.2kPa, and 8kg acrylic acid is added and continues to grind 12min, 0.06kg potassium peroxydisulfate, 0.15kg sulfurous is added under nitrogen protection
Sour sodium stirs evenly, and 0.5kgN is added, and N- methylene-bisacrylamide stirs 8min, and whipping temp is 100 DEG C, obtains prefabricated
Material；
S2, by 110kg fluorine silicone rubber, 45kg neoprene, 25kg polyurethane rubber, 6kg alkyd resin, the prefabricated material of 8kg,
30kg sepiolite powder, 8kg glass fibre, 0.7kg epoxidized soybean oil, 1.5kg disproportionated rosin, 0.8kg lauric acid, 1.5kg Carvedilol
Oil, 1.5kg antioxidant TNP, which are kneaded, uniformly obtains rubber compound；
S3,1kg peroxidized t-butyl perbenzoate, the mixing of 0.18kg potassium bichromate are added into 90kg rubber compound uniformly, 130
DEG C vulcanization 4.5min, extrusion molding obtains large-capacity power capacitor insulating materials.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of large-capacity power capacitor insulating materials preparation method, which comprises the steps of:
S1, calcium-base bentonite, magnesium stearate, Carvedilol oleamide, vinyl bis-stearamides are stirred at room temperature, heating continues to stir
It mixes, it is cooling, polyoxyethylene grinding is added, acrylic acid is added and continues to grind, potassium peroxydisulfate is added under nitrogen protection, sodium sulfite stirs
It mixes uniformly, N is added, N- methylene-bisacrylamide stirs to get prefabricated material；
S2, by fluorine silicone rubber, neoprene, polyurethane rubber, alkyd resin, prefabricated material, sepiolite powder, glass fibre, epoxy
Soybean oil, disproportionated rosin, lauric acid, tall oil, antioxidant TNP, which are kneaded, uniformly obtains rubber compound；
S3, peroxidized t-butyl perbenzoate, potassium bichromate mixing are added into rubber compound uniformly, vulcanization, extrusion molding obtains greatly
Capacity electricity capacitor insulating materials.
2. large-capacity power capacitor insulating materials preparation method according to claim 1, which is characterized in that in S1, calcium
Base bentonite, magnesium stearate, Carvedilol oleamide, vinyl bis-stearamides, polyoxyethylene, acrylic acid, potassium peroxydisulfate, sulfurous acid
Sodium, N,N methylene bis acrylamide weight ratio be 35-45:2-6:4-12:30-50:2-10:4-12:0.02-0.1:
0.12-0.18:0.2-0.8.
3. large-capacity power capacitor according to claim 1 or claim 2 insulating materials preparation method, which is characterized in that in S1,
2-4min is stirred at room temperature in calcium-base bentonite, magnesium stearate, Carvedilol oleamide, vinyl bis-stearamides, is warming up to 180-190
DEG C continue to stir 4-8min, be cooled to 30-38 DEG C, polyoxyethylene is added and grinds 4-10min, grinding pressure 0.14-0.3kPa,
Acrylic acid is added to continue to grind 10-14min, potassium peroxydisulfate is added under nitrogen protection, sodium sulfite stirs evenly, the Asia addition N, N-
Bisacrylamide stirs 4-12min, and whipping temp is 90-110 DEG C, obtains prefabricated material.
4. any one of -3 large-capacity power capacitor insulating materials preparation method according to claim 1, which is characterized in that
In S2, fluorine silicone rubber, neoprene, polyurethane rubber, alkyd resin, prefabricated material, sepiolite powder, glass fibre, epoxy soybean
Oil, disproportionated rosin, lauric acid, tall oil, antioxidant TNP weight ratio be 100-120:34-54:20-30:2-10:4-12:
20-40:4-12:0.4-1:1-2:0.4-1.2:1-2:1-2.
5. any one of -4 large-capacity power capacitor insulating materials preparation method according to claim 1, which is characterized in that
In S3, curing temperature is 120-140 DEG C, vulcanization time 3-6min.
6. any one of -5 large-capacity power capacitor insulating materials preparation method according to claim 1, which is characterized in that
In S3, rubber compound, peroxidized t-butyl perbenzoate, potassium bichromate weight ratio be 80-100:0.8-1.2:0.12-0.25.
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108117760A (en) * | 2016-11-29 | 2018-06-05 | 江苏河阳电气有限公司 | A kind of charging system for electric automobile Acidproof cable material and preparation method thereof |
| CN107652691A (en) * | 2017-10-31 | 2018-02-02 | 定远县保尔工贸有限公司 | A kind of heat-resisting high tenacity charger baby rubber sheath preparation method |
| CN107987338A (en) * | 2017-12-11 | 2018-05-04 | 安徽五狼神橡胶制品有限公司 | A kind of Oil-resistant cold-resistant electro-insulating rubber |
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Application publication date: 20190219 |