CN105336395A - High-stability insulation paper for transformer - Google Patents
High-stability insulation paper for transformer Download PDFInfo
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- CN105336395A CN105336395A CN201510739529.XA CN201510739529A CN105336395A CN 105336395 A CN105336395 A CN 105336395A CN 201510739529 A CN201510739529 A CN 201510739529A CN 105336395 A CN105336395 A CN 105336395A
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- CN
- China
- Prior art keywords
- parts
- deionized water
- mica
- silane coupler
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009413 insulation Methods 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000010445 mica Substances 0.000 claims abstract description 19
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 19
- 239000008367 deionised water Substances 0.000 claims abstract description 16
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 16
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims abstract description 14
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 14
- 239000004113 Sepiolite Substances 0.000 claims abstract description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 8
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 8
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 8
- 239000004814 polyurethane Substances 0.000 claims abstract description 8
- 229920002635 polyurethane Polymers 0.000 claims abstract description 8
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 8
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 8
- 239000004471 Glycine Substances 0.000 claims abstract description 7
- 229940037003 alum Drugs 0.000 claims abstract description 7
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 16
- 229910000077 silane Inorganic materials 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000000839 emulsion Substances 0.000 claims description 7
- 229920001131 Pulp (paper) Polymers 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- 238000010009 beating Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- IYDGMDWEHDFVQI-UHFFFAOYSA-N phosphoric acid;trioxotungsten Chemical compound O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O IYDGMDWEHDFVQI-UHFFFAOYSA-N 0.000 claims description 6
- KBIWNQVZKHSHTI-UHFFFAOYSA-N 4-n,4-n-dimethylbenzene-1,4-diamine;oxalic acid Chemical compound OC(=O)C(O)=O.CN(C)C1=CC=C(N)C=C1 KBIWNQVZKHSHTI-UHFFFAOYSA-N 0.000 claims description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Natural products OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000010494 dissociation reaction Methods 0.000 claims description 3
- 230000005593 dissociations Effects 0.000 claims description 3
- 238000004945 emulsification Methods 0.000 claims description 3
- 230000001804 emulsifying effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000008236 heating water Substances 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 abstract 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 3
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- -1 polyoxyethylene nonylphenol Polymers 0.000 description 2
- QDLGKFNCVHBEOQ-UHFFFAOYSA-N 2-chloro-4-(6-methoxy-3,4-dihydro-2H-quinolin-1-yl)pyrido[3,2-d]pyrimidine Chemical compound COc1ccc2N(CCCc2c1)c1nc(Cl)nc2cccnc12 QDLGKFNCVHBEOQ-UHFFFAOYSA-N 0.000 description 1
- NTCVORQAIAUAJB-UHFFFAOYSA-N [Mg].[W] Chemical compound [Mg].[W] NTCVORQAIAUAJB-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Paper (AREA)
Abstract
The invention discloses high-stability insulation paper for a transformer. The insulation paper is prepared by the following raw materials in parts by weight: 0.6-0.7 part of a silane coupling agent kh550, 6-8 parts of mica, 1-1.5 parts of glycine, 0.3-0.4 part of a silane coupling agent kh570, 0.1-0.2 part of an emulsifier OP-10, 0.2-0.3 part of sodium dodecanesulphonate, 2-3 parts of an E44 epoxy resin, 0.5-0.6 part of polyacrylamide, 500-550 parts of a pulpboard, 0.4-0.6 part of alum powder, 1.5-2 parts of aqueous hydroxyl polyurethane, 0.3-0.4 part of lead magnesio tungstate, 0.7-0.9 part of nanometer sepiolite, 1.6-2 parts of magnesium hydroxide and a proper amount of deionized water. The prepared insulation paper is high in stability, good in mechanical property, good in corrosion resistance performance, wide in raw material sources and lower in cost, and at the same time, also has energy conservation and environmental protection efficacy, and prolongs the service life.
Description
Technical field
The present invention relates to transformer technology field, particularly relate to the layer insulating paper that a kind of stability is high.
Background technology
In recent years, along with China's electric power, electrically, the fast development of the industry such as electronics, household electrical appliances and communication, the requirement of people to transformer is more and more higher.Cellulose insulation paper is one of most widely used interior insulating material in oil-immersed power transformer, and because run duration cannot be changed, the quality of its machinery and insulation property directly decides the useful life of transformer.In real transformer, insulating paper is subject to the effect of high electrical-field stressing for a long time, will cause transformer fault once puncture.If promote the electric property of insulating paper, just can save the use amount of insulating paper, extend the working life of insulating paper, reduce the width of transformer oil clearance, and then the volume of limiting transformer and core loss, therefore, the study on the modification carrying out insulating paper is significant.Mica is indispensable insulating material in electric and electronic industry.At present, although there is a lot of new material in the world, wherein also do not have a kind of insulating material can replace mica completely.Utilize mica to carry out modification insulating paper and can obtain the more excellent insulating paper of performance, but the domestic and international research for this respect is little at present.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides the layer insulating paper that a kind of stability is high.
The present invention is achieved by the following technical solutions:
The layer insulating paper that stability is high, is made up of the raw material of following weight portion: silane coupler kh5500.6-0.7, mica 6-8, glycine 1-1.5, silane coupler kh5700.3-0.4, emulsifier op-10 0.1-0.2, dodecyl sodium sulfate 0.2-0.3, E44 epoxy resin 2-3, polyacrylamide 0.5-0.6, pulpboard 500-550, alum powder 0.4-0.6, water-based hydroxyl polyurethane 1.5-2, Phospho-tungstic acid 0.3-0.4, nanometer sepiolite 0.7-0.9, magnesium hydroxide 1.6-2, deionized water are appropriate.
The layer insulating paper that described a kind of stability is high, be made up of following concrete steps:
(1) silane coupler kh550 is joined ethanol with water quality than in the solution for 1:1, heating water bath to 35 ° C, dripping ethanedioic acid regulates pH value to be 4, hydrolysis 1-1.5h, mica sheet is impregnated in the ethanol of 75% to stir and soaks 1-2h, then supersound washing 10-15min, then soak 0.5h with deionized water, finally be placed in baking oven dry 2h under 110 ° of C, grind for subsequent use;
(2) mica of above-mentioned preparation is added in the hydrolyzate of silane coupler kh550, bath temperature controls at 60-65 ° of C, then magnesium hydroxide and nanometer sepiolite ultrasonic agitation 30-45min is added, filter, spend deionized water for several times, in constant temperature blast drying oven, under 90 ° of C, dry 2-3h is for subsequent use afterwards;
(3) glycine is added in flask with after the water-soluble solution of 13 times amount with silane coupler kh570, emulsifier op-10, dodecyl sodium sulfate and E44 epoxy resin, control bath temperature and slowly stir 3h under 80-85 ° of C, add water-based hydroxyl polyurethane and Phospho-tungstic acid continuation stirring 10-15min again, then adding sodium hydroxide solution regulates pH value in neutral, again with high-shearing dispersion emulsifying machine by its emulsification, obtain stable modified aqueous epoxy resin emulsion;
(4) modified aqueous epoxy resin emulsion, alum powder and polyacrylamide mixing prepared by modified micaceous, the step (3) step (2) prepared, add appropriate deionized water again and be diluted to the slurry of mass concentration at 0.5-0.6%, pull an oar after pulpboard is soaked, making beating is stopped when beating degree is 40-45 ° of SR, then slurry is put into fiber dissociation device, adding deionized water makes the concentration of slurry dissociate at 2-2.5%, obtains paper pulp suspension-turbid liquid for subsequent use;
(5) by paper pulp suspension-turbid liquid and the mixing of mica slurry, with electric power stirring rod strong stirring 10min, then continue the 15min that dissociates, carry out afterwards manufacturing paper with pulp, drying and can obtain insulating paper.
Advantage of the present invention is: the present invention adopts silane coupler kh550 to carry out surface modification to mica, strengthen overseas Chinese federation's effect of mica surface, the compatibility of the aqueous epoxy resin emulsion of improvement and modification, improve the adhesive force to mica surface, its adhesion and dispersing uniformity can be greatly improved with cellulose pulp mixing, enhance the hot strength of insulating paper, dielectric strength, the effect such as electric property and heat resistance, the magnesium hydroxide added and nanometer sepiolite can reinforced insulation paper fire-retardant, radioresistance, effect such as anticorrosive grade, the water-based hydroxyl polyurethane added and the acid of tungsten magnesium can the mechanicalnesses of reinforced insulation paper, weather-proof, wear-resisting, effect such as pollution-free grade, insulating paper stability prepared by the present invention is high, good mechanical property, anticorrosive corrosive nature is good, raw material sources are extensive, cost-saving, effect of concrete energy-conserving and environment-protective simultaneously, extend useful life.
Embodiment
The layer insulating paper that stability is high, is made up of the raw material of following weight portion (kilogram): silane coupler kh5500.6, mica 6, glycine 1, silane coupler kh5700.3, polyoxyethylene nonylphenol ether, dodecyl sodium sulfate 0.2, E44 epoxy resin 2, polyacrylamide 0.5, pulpboard 500, alum powder 0.4, water-based hydroxyl polyurethane 1.5, Phospho-tungstic acid 0.3, nanometer sepiolite 0.7, magnesium hydroxide 1.6, deionized water are appropriate.
The layer insulating paper that described a kind of stability is high, be made up of following concrete steps:
(1) silane coupler kh550 is joined ethanol with water quality than in the solution for 1:1, heating water bath to 35 ° C, dripping ethanedioic acid regulates pH value to be 4, hydrolysis 1h, mica sheet is impregnated in the ethanol of 75% to stir and soaks 1h, then supersound washing 10min, then soak 0.5h with deionized water, finally be placed in baking oven dry 2h under 110 ° of C, grind for subsequent use;
(2) mica of above-mentioned preparation is added in the hydrolyzate of silane coupler kh550, bath temperature controls at 60 ° of C, then magnesium hydroxide and nanometer sepiolite ultrasonic agitation 30min is added, filter, spend deionized water for several times, in constant temperature blast drying oven, under 90 ° of C, dry 2h is for subsequent use afterwards;
(3) glycine is added in flask with after the water-soluble solution of 13 times amount with silane coupler kh570, polyoxyethylene nonylphenol ether, dodecyl sodium sulfate and E44 epoxy resin, control bath temperature and slowly stir 3h under 80 ° of C, add water-based hydroxyl polyurethane and Phospho-tungstic acid continuation stirring 10min again, then adding sodium hydroxide solution regulates pH value in neutral, again with high-shearing dispersion emulsifying machine by its emulsification, obtain stable modified aqueous epoxy resin emulsion;
(4) modified aqueous epoxy resin emulsion, alum powder and polyacrylamide mixing prepared by modified micaceous, the step (3) step (2) prepared, add again appropriate deionized water be diluted to mass concentration 0.5% slurry, pull an oar after pulpboard is soaked, making beating is stopped when beating degree is 40 ° of SR, then slurry is put into fiber dissociation device, adding deionized water makes the concentration of slurry dissociate 2%, obtains paper pulp suspension-turbid liquid for subsequent use;
(5) by paper pulp suspension-turbid liquid and the mixing of mica slurry, with electric power stirring rod strong stirring 10min, then continue the 15min that dissociates, carry out afterwards manufacturing paper with pulp, drying and can obtain insulating paper.
Its performance test of the insulating paper prepared according to the present embodiment is as follows: puncture voltage is 4KV, dielectric strength is 38KV/mm, the fire-retardant rank of insulating paper is V0 level, paper whiteness>=80%, dry tensile strength is 4.2KN/m, wet tensile (strength) is 0.47KN/m, suction head 52mm, air permeability is 20 ± 4s, and specific insulation is 1.2 × 10
6, sheet resistance is 4.2 × 10
4, dielectric constant is 5.2, and dielectric dissipation factor is 0.043.
Claims (2)
1. the layer insulating paper that a stability is high, it is characterized in that, be made up of the raw material of following weight portion: silane coupler kh5500.6-0.7, mica 6-8, glycine 1-1.5, silane coupler kh5700.3-0.4, emulsifier op-10 0.1-0.2, dodecyl sodium sulfate 0.2-0.3, E44 epoxy resin 2-3, polyacrylamide 0.5-0.6, pulpboard 500-550, alum powder 0.4-0.6, water-based hydroxyl polyurethane 1.5-2, Phospho-tungstic acid 0.3-0.4, nanometer sepiolite 0.7-0.9, magnesium hydroxide 1.6-2, deionized water are appropriate.
2. the layer insulating paper that a kind of stability is high according to claim 1, is characterized in that, is made up of following concrete steps:
(1) silane coupler kh550 is joined ethanol with water quality than in the solution for 1:1, heating water bath to 35 ° C, dripping ethanedioic acid regulates pH value to be 4, hydrolysis 1-1.5h, mica sheet is impregnated in the ethanol of 75% to stir and soaks 1-2h, then supersound washing 10-15min, then soak 0.5h with deionized water, finally be placed in baking oven dry 2h under 110 ° of C, grind for subsequent use;
(2) mica of above-mentioned preparation is added in the hydrolyzate of silane coupler kh550, bath temperature controls at 60-65 ° of C, then magnesium hydroxide and nanometer sepiolite ultrasonic agitation 30-45min is added, filter, spend deionized water for several times, in constant temperature blast drying oven, under 90 ° of C, dry 2-3h is for subsequent use afterwards;
(3) glycine is added in flask with after the water-soluble solution of 13 times amount with silane coupler kh570, emulsifier op-10, dodecyl sodium sulfate and E44 epoxy resin, control bath temperature and slowly stir 3h under 80-85 ° of C, add water-based hydroxyl polyurethane and Phospho-tungstic acid continuation stirring 10-15min again, then adding sodium hydroxide solution regulates pH value in neutral, again with high-shearing dispersion emulsifying machine by its emulsification, obtain stable modified aqueous epoxy resin emulsion;
(4) modified aqueous epoxy resin emulsion, alum powder and polyacrylamide mixing prepared by modified micaceous, the step (3) step (2) prepared, add appropriate deionized water again and be diluted to the slurry of mass concentration at 0.5-0.6%, pull an oar after pulpboard is soaked, making beating is stopped when beating degree is 40-45 ° of SR, then slurry is put into fiber dissociation device, adding deionized water makes the concentration of slurry dissociate at 2-2.5%, obtains paper pulp suspension-turbid liquid for subsequent use;
(5) by paper pulp suspension-turbid liquid and the mixing of mica slurry, with electric power stirring rod strong stirring 10min, then continue the 15min that dissociates, carry out afterwards manufacturing paper with pulp, drying and can obtain insulating paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510739529.XA CN105336395A (en) | 2015-11-04 | 2015-11-04 | High-stability insulation paper for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510739529.XA CN105336395A (en) | 2015-11-04 | 2015-11-04 | High-stability insulation paper for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105336395A true CN105336395A (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510739529.XA Pending CN105336395A (en) | 2015-11-04 | 2015-11-04 | High-stability insulation paper for transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN105336395A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629336A (en) * | 2018-10-29 | 2019-04-16 | 万玉梅 | A kind of preparation method of the flexible insulating paper of tension |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260869A (en) * | 2010-12-17 | 2013-08-21 | 3M创新有限公司 | Electrical insulation material |
| CN103843070A (en) * | 2011-08-03 | 2014-06-04 | 纳幕尔杜邦公司 | Laminates useful for electrical insulation |
| CN104334797A (en) * | 2012-04-27 | 2015-02-04 | 帕孔有限两合公司 | Electrical insulating paper |
-
2015
- 2015-11-04 CN CN201510739529.XA patent/CN105336395A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103260869A (en) * | 2010-12-17 | 2013-08-21 | 3M创新有限公司 | Electrical insulation material |
| CN103843070A (en) * | 2011-08-03 | 2014-06-04 | 纳幕尔杜邦公司 | Laminates useful for electrical insulation |
| CN104334797A (en) * | 2012-04-27 | 2015-02-04 | 帕孔有限两合公司 | Electrical insulating paper |
Non-Patent Citations (1)
| Title |
|---|
| 李忠良: ""变质片麻岩云母纸及芳纶纤维云母纸"", 《中国优秀硕士学位论文全文数据库工程Ⅰ辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629336A (en) * | 2018-10-29 | 2019-04-16 | 万玉梅 | A kind of preparation method of the flexible insulating paper of tension |
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Application publication date: 20160217 |