CN103509353B - High-low temperature resistant insulating sheath material and preparation method thereof for a kind of transformer - Google Patents
High-low temperature resistant insulating sheath material and preparation method thereof for a kind of transformer Download PDFInfo
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- CN103509353B CN103509353B CN201310401117.6A CN201310401117A CN103509353B CN 103509353 B CN103509353 B CN 103509353B CN 201310401117 A CN201310401117 A CN 201310401117A CN 103509353 B CN103509353 B CN 103509353B
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Abstract
The invention discloses a kind of transformer high-low temperature resistant insulating sheath material and preparation method thereof, its raw material by following weight portion is made: fluorosioloxane rubber 70-90, SG-3 type PVC 20-30, di-2-ethylhexyl maleate 10-15, diisobutyl ester of nylon acids 5-10, magnesium hydroxide 15-20, APP 10-15, molybdenum trioxide 4-8, gas-phase silica 30-40, zinc oxide 4-6, stearic acid 2-3, nano-cerium oxide 1-2, Di(dioctylpyrophosphato) ethylene titanate 1-2, OPE 3-6, brucite powder 10-15, nano barite 15-20, nano-silicon lime stone 8-12, compounded mix 4-6 etc. protective cover material resistant of high or low temperature excellence of the present invention, has the performances such as good insulating properties, physical and mechanical properties, Weather-resistant, acid and alkali-resistance, radiation hardness, oil resistant, can in-60 DEG C of-180 DEG C of temperature ranges, use for a long time, indeformable, not embrittlement, does not chap, durable in use.
Description
Technical field
The present invention relates to a kind of transformer high-low temperature resistant insulating sheath material and preparation method thereof, belong to encapsulantTechnical field.
Background technology
Transformer insulated sheath is the shielding insulation protection for transformer bus bridge tube matrix face, can effectively stopExposed transformer bus bridge is because people is that the toys such as false touch, birds and beasts or foreign matter overlap joint causePersonal injury and short circuit accident, prevent the electrical hazard that condensation flashover, pollution flashover, icicle clog snow cause, and prevents saltThe power outage that mist, acid rain and chemical gas corrosion damage transformer line. But existing transformer protectsJacking resistant of high or low temperature is poor, under high temperature, easily decomposes, and is even firing, and under low temperature, easily there is embrittlement and peel off,Thereby cause the accidents such as short circuit, electric leakage, power failure, cause huge economic loss.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide the insulation of a kind of transformer high-low temperature resistant to protectJacking and preparation method thereof.
The technical solution used in the present invention is as follows:
High-low temperature resistant insulating sheath material for a kind of transformer, is made up of the raw material of following weight portion: fluorosioloxane rubber(FE2802) 70-90, SG-3 type PVC20-30, di-2-ethylhexyl maleate 10-15, diisobutyl ester of nylon acids5-10, magnesium hydroxide 15-20, APP 10-15, molybdenum trioxide 4-8, gas-phase silica 30-40,Zinc oxide 4-6, stearic acid 2-3, nano-cerium oxide 1-2, Di(dioctylpyrophosphato) ethylene titanate1-2, OPE 3-6, brucite powder 10-15, nano barite 15-20, nano-silicon lime stone 8-12,Compounded mix 4-6, cumyl peroxide 0.5-1, iso-cyanuric acid triallyl ester 1-3, TM monex TM1-2, age resistor OD1-2, antioxidant MB 0.5-1;
The preparation method of described compounded mix is as follows: a, take bauxite, sea by weight 4-8:3-6:2-4:1Afrodite, illite, kaolin mix, and 510-530 DEG C of calcining 2-4h, puts into concentration after being cooled to normal temperatureFor stirring 2-3h in the sulfuric acid solution of 10-15% under 1000-1500rpm, to filter, washing, to neutral, is dried,Pulverize, cross 300-400 mesh sieve; B, powder after sieving add water to stir and make the suspension that concentration is 40-50%,Add sodium phosphate trimer, 1-2% water-soluble of AEO methacrylate, the 1-2% of 0.5-1%Property nano silicone colloidal sol, the sodium molybdate of 2-3% and the methenamine of 1-2%, 4000-5000rpm high speed shear is disperseed15-20min, is spray dried to powder; C, to the aromatic naphtha, the 2-3% that add 4-8% in the above-mentioned powder makingJade powder, nano aluminum nitride, the atoleine of 3-5% and the glass fibre of 1-2% of 1-2%, 2000-3000rpmSpeed lapping 10-15min.
The preparation method of high-low temperature resistant insulating sheath material for transformer, comprises the following steps:
(1) by fluorosioloxane rubber, di-2-ethylhexyl maleate, diisobutyl ester of nylon acids, magnesium hydroxide, APP,Molybdenum trioxide, gas-phase silica, compounded mix are put into mill, are mixing at 55-65 DEG C in roller temperature3-5min; Then add SG-3 type PVC, zinc oxide, stearic acid, nano-cerium oxide, two (two octyloxy JiaoPhosphate-based) ethylene titanate esters, brucite powder, nano barite, nano-silicon lime stone are 80-90 DEG C in roller temperatureLower mixing 4-8min; Roller temperature drop is during to 40-50 DEG C, then adds all the other raw materials, mixing 2-3min, thin-pass 7-9Inferior, slice;
(2) sheet stock is added in the mould of 160-180 DEG C, be forced into 12-18Mpa, sulphur with vulcanizing pressChange 15-20min, vulcanized rear goods and be finished product after being up to the standards, repairing burr.
Beneficial effect of the present invention:
Resistant of high or low temperature excellence of the present invention, have good insulating properties, physical and mechanical properties, Weather-resistant,The performances such as acid and alkali-resistance, radiation hardness, oil resistant can be used for a long time in-60 DEG C of-180 DEG C of temperature ranges, indeformable,Not embrittlement, does not chap, durable in use, and good flame retardation effect, burning can not produce thick smoke, corrosive gas andOther harmful substance, environmental protection completely.
Detailed description of the invention
High-low temperature resistant insulating sheath material for a kind of transformer, is made up of the raw material of following weight (kg): fluorine silicon rubberGlue (FE2802) 80, SG-3 type PVC20, di-2-ethylhexyl maleate 10, diisobutyl ester of nylon acids 8, hydrogen-oxygenChange magnesium 16, APP 12, molybdenum trioxide 6, gas-phase silica 35, zinc oxide 5, stearic acid 2,Nano-cerium oxide 1, Di(dioctylpyrophosphato) ethylene titanate 1.5, OPE 4, waterMagnesite powder 12, nano barite 18, nano-silicon lime stone 10, compounded mix 5, cumyl peroxide 0.8,Iso-cyanuric acid triallyl ester 2, TM monex TM1.5, age resistor OD1, antioxidant MB 1;
The preparation method of described compounded mix is as follows: a, by weight 5:4:3:1 take bauxite, sepiolite,Illite, kaolin mix, 510 DEG C of calcining 4h, and being cooled to and putting into concentration after normal temperature is that 10% sulfuric acid is moltenIn liquid, under 1500rpm, stir 2h, filter, washing, to neutral, is dried, and pulverizes, and crosses 400 mesh sieves; B, mistakePowder after sieve adds water and stirs that to make concentration be 50% suspension, adds the fat that is equivalent to powder weight 0.6%Alcohol polyethenoxy ether metacrylic acid ester, 1% sodium phosphate trimer, 1% water-soluble nano grade silica sol, 2%Sodium molybdate and 1.5% methenamine, 4000rpm high speed shear disperse 18min, be spray dried to powder; C,In the above-mentioned powder making, add 5% aromatic naphtha, 2% jade powder, 1.5% nano aluminum nitride, 4% liquidParaffin body and 1.5% glass fibre, 3000rpm speed lapping 10min.
The preparation method of high-low temperature resistant insulating sheath material for transformer, comprises the following steps:
(1) by fluorosioloxane rubber, di-2-ethylhexyl maleate, diisobutyl ester of nylon acids, magnesium hydroxide, APP,Molybdenum trioxide, gas-phase silica, compounded mix are put into mill, are mixing 4min at 60 DEG C in roller temperature;Then add SG-3 type PVC, zinc oxide, stearic acid, nano-cerium oxide, two (two octyloxy pyrophosphoric acid ester groups)Ethylene titanate esters, brucite powder, nano barite, nano-silicon lime stone are mixing 6min at 85 DEG C in roller temperature;When roller temperature drop to 45 DEG C, then add all the other raw materials, mixing 3min, thin-pass 8 times, slice;
(2) sheet stock is added in the mould of 175 DEG C, be forced into 16Mpa with vulcanizing press, sulfuration 16min,Vulcanize rear goods and be finished product after being up to the standards, repairing burr.
The performance test results of the protective cover material making is as follows:
Claims (2)
1. a high-low temperature resistant insulating sheath material for transformer, it is characterized in that, raw material by following weight portion is made: fluorosioloxane rubber FE280270-90, SG-3 type PVC20-30, di-2-ethylhexyl maleate 10-15, diisobutyl ester of nylon acids 5-10, magnesium hydroxide 15-20, APP 10-15, molybdenum trioxide 4-8, gas-phase silica 30-40, zinc oxide 4-6, stearic acid 2-3, nano-cerium oxide 1-2, Di(dioctylpyrophosphato) ethylene titanate 1-2, OPE 3-6, brucite powder 10-15, nano barite 15-20, nano-silicon lime stone 8-12, compounded mix 4-6, cumyl peroxide 0.5-1, iso-cyanuric acid triallyl ester 1-3, TM monex TM1-2, age resistor OD1-2, antioxidant MB 0.5-1,
The preparation method of described compounded mix is as follows:
A, take bauxite, sepiolite, illite, kaolin by weight 4-8:3-6:2-4:1 and mix, 510-530 DEG C of calcining 2-4h, being cooled to and putting into concentration after normal temperature is that the sulfuric acid solution of 10-15% stirs 2-3h under 1000-1500rpm, filter, washing is to neutral, dry, pulverize, cross 300-400 mesh sieve; B, powder after sieving add water to stir and make the suspension that concentration is 40-50%, add the AEO methacrylate of 0.5-1%, the sodium phosphate trimer of 1-2%, water-soluble nano grade silica sol, the sodium molybdate of 2-3% and the methenamine of 1-2% of 1-2%, 4000-5000rpm high speed shear is disperseed 15-20min, is spray dried to powder;
C, in the above-mentioned powder making, add the aromatic naphtha of 4-8%, the jade powder of 2-3%, nano aluminum nitride, the atoleine of 3-5% and the glass fibre of 1-2% of 1-2%, 2000-3000rpm speed lapping 10-15min.
2. the preparation method of high-low temperature resistant insulating sheath material for transformer as claimed in claim 1, is characterized in that comprising the following steps:
(1) fluorosioloxane rubber, di-2-ethylhexyl maleate, diisobutyl ester of nylon acids, magnesium hydroxide, APP, molybdenum trioxide, gas-phase silica, compounded mix being put into mill, is mixing 3-5min at 55-65 DEG C in roller temperature; Then adding SG-3 type PVC, zinc oxide, stearic acid, nano-cerium oxide, Di(dioctylpyrophosphato) ethylene titanate, brucite powder, nano barite, nano-silicon lime stone, is mixing 4-8min at 80-90 DEG C in roller temperature; Roller temperature drop is during to 40-50 DEG C, then adds all the other raw materials, mixing 2-3min, thin-pass 7-9 time, slice;
(2) sheet stock is added in the mould of 160-180 DEG C, be forced into 12-18MPa with vulcanizing press, sulfuration 15-20min, has vulcanized rear goods and be finished product after being up to the standards, repairing burr.
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| CN103509353B true CN103509353B (en) | 2016-05-25 |
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| CN103881262A (en) * | 2014-02-14 | 2014-06-25 | 安徽旺达铜业发展有限公司 | Oilproof polyvinyl chloride cable material for electric wires and cables and preparation method thereof |
| CN103992654A (en) * | 2014-04-22 | 2014-08-20 | 天长市富信电子有限公司 | Cold-resistant power line sheath material and preparing method thereof |
| CN104356542A (en) * | 2014-10-30 | 2015-02-18 | 安徽电信器材贸易工业有限责任公司 | Flame-retardant PVC (polyvinyl chloride) sheath material for ultrahigh-voltage cables and preparation method of material |
| CN104559203A (en) * | 2015-01-23 | 2015-04-29 | 淮南文峰航天电缆有限公司 | High-power high-stability cable material and preparation method thereof |
| CN104945911A (en) * | 2015-06-12 | 2015-09-30 | 安徽绿龙光电科技有限公司 | Low-smoke zero-halogen flame-retardant silicone rubber for LED-lamp-used cables |
| CN105244141A (en) * | 2015-11-10 | 2016-01-13 | 李聪 | Inflatable transformer |
| CN105462112A (en) * | 2015-12-15 | 2016-04-06 | 中冠电缆有限公司 | High toughness and abrasion resistant PVC resin cable material and preparation method thereof |
| CN105802247B (en) * | 2016-05-18 | 2019-04-19 | 黑龙江坤润电气科技有限公司 | A kind of weatherability cable insulation material and preparation method thereof |
| CN106084799A (en) * | 2016-06-15 | 2016-11-09 | 安徽弘美电器有限公司 | A kind of automobile engine special wire harness insulating sheath |
| CN106189261A (en) * | 2016-08-08 | 2016-12-07 | 安徽埃克森科技集团有限公司 | A kind of high-tension switch cabinet Flame-Retardant and Oil-Resistant type flexible cable sheath |
| 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 |
| CN108102172A (en) * | 2017-11-29 | 2018-06-01 | 安徽华天电缆有限公司 | A kind of anti-freeze cable sheath |
| CN108641224A (en) * | 2018-04-12 | 2018-10-12 | 苏州耐思特塑胶有限公司 | A kind of preparation method and applications of PVC cable material |
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| CN103044926A (en) * | 2012-11-25 | 2013-04-17 | 安徽六方重联机械股份有限公司 | Oil seal rubber material for automobile engines and preparation method thereof |
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| US7844069B2 (en) * | 2007-04-11 | 2010-11-30 | Billy Steven Banks | Microphone mounting system for acoustic stringed instruments |
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| CN103044927A (en) * | 2012-11-25 | 2013-04-17 | 安徽六方重联机械股份有限公司 | Piston sizing material for slurry pump and preparation method thereof |
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