CN103937274A - High-temperature-resistant anticorrosive transformer - Google Patents
High-temperature-resistant anticorrosive transformer Download PDFInfo
- Publication number
- CN103937274A CN103937274A CN201410153428.XA CN201410153428A CN103937274A CN 103937274 A CN103937274 A CN 103937274A CN 201410153428 A CN201410153428 A CN 201410153428A CN 103937274 A CN103937274 A CN 103937274A
- Authority
- CN
- China
- Prior art keywords
- wax
- transformer
- resistant anticorrosive
- fire resistant
- insulation
- 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.)
- Granted
Links
Landscapes
- Organic Insulating Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a high-temperature-resistant anticorrosive transformer which is formed by filling insulation potting wax with favorable liquid flowability into transformer gaps. The insulation potting wax comprises 72-88% of petroleum wax, 1-6% of Fischer-Tropsch wax, 1-20% of tackifier and 1-20% of vaseline. The high-temperature-resistant anticorrosive transformer has the characteristics of excellent high temperature property, excellent corrosion resistance, favorable electric properties, favorable moisture resistance and the like. The insulation potting wax is not only suitable for insulation impregnation potting of electronic transformers and high-frequency transformers, but also suitable for insulation impregnation potting of inductive coils and other special coils for electronic components.
Description
Technical field
The present invention relates to a kind of fire resistant anticorrosive transformer, especially relate to make with insulation encapsulated wax filling transformer gap high temperature resistant, protection against corrosion, moistureproof electronic transformer and high-frequency transformer.
Background technology
In transformer production, often need, with insulation encapsulated wax, transformer is carried out to the insulating property that insulation impregnating embedding improves transformer.Simple commodity in use paraffin or Microcrystalline Wax in prior art although low price exists the defects such as high-temperature behavior and toughness plasticity be poor, easily run off under working temperature, easily break under external force.Use oils to carry out embedding to transformer and be easy to occur seepage.And use resinous material, although the resistance to elevated temperatures that can make transformer have exists that toughness plasticity is poor, production cost is crossed high defect, can not adapt to the requirement of current manufacturer.
Prior art, a kind of composition of the content of wax is for example disclosed in patent of invention CN1410488A, it contains paraffin, polyethylene wax, Microcrystalline Wax, ethylene-vinyl acetate copolymer and polyethylene, this invention has only loosely been mentioned it and can be used as electric insulation wax, does not introduce its concrete performance index.
Patent of invention CN1458216A discloses a kind of electronic component sealing wax, comprise petroleum wax, macromolecule wax, tackifier and softening agent, be mainly used in location and the sealing of electronic tuning unit, telefault and other electron component coil, but the electronic transformer of having relatively high expectations for liquid fluidity, dielectric loss etc. and high-frequency transformer etc. carry out insulation impregnating embedding, cannot make it have best use properties.
Summary of the invention
For the deficiencies in the prior art, the present inventor is by arduous test, research for a long time, finds to adopt a kind of electronic transformer and high-frequency transformer that has the insulation encapsulated wax filling transformer gap of specific composition and make to have gratifying various use properties.
Particularly, fire resistant anticorrosive transformer of the present invention, it adopts insulation encapsulated wax filling transformer gap and makes, and wherein said transformer is electronic transformer or high-frequency transformer, described insulation encapsulated wax comprises following component, in the gross weight of insulation encapsulated wax:
A) 72%～88% petroleum wax, the dropping point of petroleum wax is 70 ℃～85 ℃;
B) 1%～6% Fischer-Tropsch wax;
C) 1%～20% tackifier;
D) 1%～20% Vaseline;
The molecular-weight average of described Fischer-Tropsch wax is 2000～5000; Described tackifier are selected from polybutene and polyisobutene.
Be applicable to petroleum wax dropping point of the present invention and be about 70 ℃～85 ℃, preferred petroleum wax comprises: 85# Microcrystalline Wax (manufacturer comprises Nanyang refinery, Nanchong refinery etc.), 80# Microcrystalline Wax (manufacturer comprises Nanchong refinery, Jingmen refinery etc.), 75# Microcrystalline Wax (manufacturer comprises Nanchong refinery etc.), 70# Microcrystalline Wax (manufacturer comprises circulating water plant of Dushanzi Refinery etc.), and the mixture of above-mentioned two or more petroleum wax.These petroleum waxes all can commercially availablely obtain, and its content in insulation encapsulated wax of the present invention is preferably approximately 75%～86%.
Be applicable to the commercially available acquisition of Fischer-Tropsch wax of the present invention, its molecular-weight average is about 2000～5000, is more preferably 2500～4500, is most preferably 3000-4000.The content of Fischer-Tropsch wax is preferably about 2%～4% (weight).
Be applicable to tackifier of the present invention and be selected from polybutene and polyisobutene, its content is preferably about 2%～15% (weight).
Being applicable to Vaseline of the present invention can be industry or medical ventolin, and its dropping point is about 45 ℃～75 ℃.Vaseline is preferably 3#, 4# industrial vaseline (manufacturer comprises Lanzhou oil-refining chemical head factory etc.), medical ventolin (manufacturer comprises Nanyang refinery, Hebei blue refining flying apsaras petrochemical industry company limited etc.).The content of Vaseline is preferably about 2%～15% (weight).
Insulation encapsulated wax of the present invention is at the temperature of approximately 110 ℃～140 ℃, adds according to the order of sequence raw material mixed melting to become the wax liquid of homogeneous transparent, moulding after filtering.
The performance index of insulation encapsulated wax of the present invention are: melt drop temperature is 88 ℃～96 ℃, and the penetration degree at 25 ℃ is 20～351/10mm, and the kinematic viscosity at 100 ℃ is 15～25mm
2/ s, specific inductivity is 2.3～2.8, volume specific resistance is not less than 7.5 * 10
15Ω cm, dielectric loss is not more than 1.0 * 10
-3.。
Each component in insulation encapsulated wax of the present invention has following features:
A) select there is electrical property, moistureproofness is good and hardness, suitable viscosity thermosetting material---petroleum wax is as body material;
B) select the Fischer-Tropsch wax with good electrical insulator performance, can improve the electrical property of insulation encapsulated wax, and can improve the resistance to elevated temperatures of insulation encapsulated wax;
C) select tackifier, can guarantee that insulation encapsulated wax transfers to after solid phase in liquid phase, has suitable cohesive strength;
D) select Vaseline, can guarantee that insulation encapsulated wax has suitable solid-state hardness and good liquid fluidity.
The present invention is directed to the service requirements of insulation impregnating Embedding Material for transformer, said components and content have been selected, be surprised to find that and adopt Fischer-Tropsch wax to replace polyethylene wax conventional in prior art or polyethylene, between other component in itself and insulation encapsulated wax, produced synergy, the resistance to elevated temperatures, electrical property of the transformer after processing with insulation encapsulated wax, the performance such as corrosion-resistant have been improved unexpectedly comprehensively, greatly improved the work-ing life of transformer, this is that those skilled in the art cannot rational expectation arrive on the basis of existing technology.
Insulation encapsulated wax of the present invention can also select to add other modified component according to requirement to transformer performance, as one or more in antioxidant, polyethylene, polypropylene etc.
The advantages such as fire resistant anticorrosive transformer of the present invention has that high-temperature behavior excellence, electrical property are good, moistureproofness and good corrosion resistance, thereby there is good use properties.There is specifically following advantage:
A) have excellent high-temperature behavior, the wax of embedding in transformer surface has higher melt drop temperature, does not also soften, do not trickle under higher working temperature, can well protect transformer, thereby can extend the work-ing life of transformer;
B) safe preparation process is simple, the wax of embedding in transformer surface has suitable melt viscosity, can extraordinary filling transformer gap under the dipping temperature of 110 ℃～140 ℃, and nontoxic, free from extraneous odour, thereby cause whole preparation process to become simple and easy to do, and safety and environmental protection;
C) there is good electrical insulation properties, humidity resistance and corrosion resistance nature, guaranteed the stable of transformer electrical property.
Embodiment
Below by specific embodiment, to insulation encapsulated wax of the present invention, preparation method, and the electric property of prepared transformer is further described.Yet the present invention is not subject to the restriction of these specific embodiments, within the routine adjustment that those skilled in the art carry out on basis of the present invention or improvement all fall into the application's protection domain.
Embodiment: (all representing by weight percentage below)
Test method
Following test method is in an embodiment the method for general test used in electronic industry wax used.
The embodiment of the present invention 1 to 5 and comparative example 1 to 5 the preparation of insulation encapsulated wax be at the temperature of approximately 110 ℃～140 ℃, add according to the order of sequence raw material mixed melting to become the wax liquid of homogeneous transparent, after filtering cooling forming.
Embodiment 1(E1)
The test-results of embodiment is in Table 1 and table 2.
Table 1 test-results
Table 2 test-results
As can be seen from Table 1 and Table 2, the property indices of the insulation encapsulated wax of embodiment of the present invention 1-5 is contrasted item by item and can be found with comparative example 1-5 respectively, the melt drop temperature of insulation encapsulated wax of the present invention is all higher, illustrates that insulation encapsulated wax of the present invention has good high temperature thermal characteristics; The volume specific resistance of insulation impregnating embedding wax of the present invention is also all higher, and is not less than 7 * 10
15Ω cm; And the dielectric loss of insulation impregnating embedding wax of the present invention is all lower, and be all not more than 0.9 * 10
-3, illustrate that insulation encapsulated wax of the present invention has excellent electrical property; The corrosion resistance nature of insulation impregnating embedding wax of the present invention all shows excellence, is obviously better than comparative example.The viscosity of insulation impregnating embedding wax of the present invention is all comparatively suitable, the liquid fluidity that insulation encapsulated wax of the present invention is described is better, filling transformer and winding space while being convenient to flood, better meet the actual requirement of electronic transformer and high-frequency transformer and telefault and other electron component coil production technique.Because the resistance to elevated temperatures of the transformer making after the embedding of insulation encapsulated wax, corrosion resistance nature etc. for the present invention are all obviously better than the prior art of comparative example representative, thereby its work-ing life also than long many of transformer of the prior art, thereby also greatly reduce client's use cost.
Claims (9)
1. a fire resistant anticorrosive transformer, is characterized in that making with insulation encapsulated wax filling transformer gap, and wherein said transformer is electronic transformer or high-frequency transformer, and described insulation encapsulated wax comprises following component, in the gross weight of insulation encapsulated wax:
A) 72%～88% petroleum wax, the dropping point of petroleum wax is 70 ℃～85 ℃;
B) 1%～6% Fischer-Tropsch wax;
C) 1%～20% tackifier;
D) 1%～20% Vaseline;
The molecular-weight average of described Fischer-Tropsch wax is 2000～5000; Described tackifier are selected from polybutene and polyisobutene.
2. according to fire resistant anticorrosive transformer claimed in claim 1, it is characterized in that described petroleum wax is selected from 85# Microcrystalline Wax, 80# Microcrystalline Wax, 75# Microcrystalline Wax and 70# Microcrystalline Wax.
3. according to fire resistant anticorrosive transformer claimed in claim 1, the content that it is characterized in that described petroleum wax is 75%～86%.
4. according to fire resistant anticorrosive transformer claimed in claim 1, the content that it is characterized in that described Fischer-Tropsch wax is 2%～4%.
5. according to fire resistant anticorrosive transformer claimed in claim 1, the molecular-weight average that it is characterized in that described tackifier is 800～10000.
6. according to fire resistant anticorrosive transformer claimed in claim 1, the content that it is characterized in that described tackifier is 2%～15%.
7. according to fire resistant anticorrosive transformer claimed in claim 1, the dropping point that it is characterized in that described Vaseline is 45 ℃～75 ℃.
8. according to fire resistant anticorrosive transformer claimed in claim 1, the content that it is characterized in that described Vaseline is 2%～15%.
9. according to fire resistant anticorrosive transformer claimed in claim 1, it is characterized in that the performance index of insulation encapsulated wax are: melt drop temperature is 88 ℃～96 ℃, the penetration degree at 25 ℃ is 20～351/10mm, and the kinematic viscosity at 100 ℃ is 15～25mm
2/ s, specific inductivity is 2.3～2.8, volume specific resistance is not less than 7.5 * 10
15Ω cm, dielectric loss is not more than 1.0 * 10
-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153428.XA CN103937274B (en) | 2014-04-16 | 2014-04-16 | A kind of fire resistant anticorrosive transformator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153428.XA CN103937274B (en) | 2014-04-16 | 2014-04-16 | A kind of fire resistant anticorrosive transformator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103937274A true CN103937274A (en) | 2014-07-23 |
| CN103937274B CN103937274B (en) | 2016-08-17 |
Family
ID=51185164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410153428.XA Active CN103937274B (en) | 2014-04-16 | 2014-04-16 | A kind of fire resistant anticorrosive transformator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103937274B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292858A (en) * | 2014-09-26 | 2015-01-21 | 安徽蓝翔电器成套设备有限公司 | Insulating wax composition, preparation method thereof and transformer |
| CN104292857A (en) * | 2014-09-26 | 2015-01-21 | 安徽蓝翔电器成套设备有限公司 | Insulating wax composition, preparation method thereof and transformer |
| CN109628018A (en) * | 2018-11-29 | 2019-04-16 | 山东康威通信技术股份有限公司 | A method of oxidation PE wax is applied to circuit board sealing protection |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4514588A (en) * | 1982-12-28 | 1985-04-30 | Phillips Petroleum Company | Encapsulated electronic components and encapsulation compositions |
| CN1458216A (en) * | 2002-05-15 | 2003-11-26 | 中国石油化工股份有限公司 | Sealing wax for electronic element coil |
| CN1611551A (en) * | 2003-10-31 | 2005-05-04 | 中国石油化工股份有限公司 | Dipping-sealing wax for electronic element coil |
| CN1767080A (en) * | 2004-10-29 | 2006-05-03 | 中国石油化工股份有限公司 | Insulated dipping embedding wax for transformer |
| CN101173158A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Metallized membrane capacitance embedding wax |
| CN101173102A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Soft mlcrocrystalline wax composition |
-
2014
- 2014-04-16 CN CN201410153428.XA patent/CN103937274B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4514588A (en) * | 1982-12-28 | 1985-04-30 | Phillips Petroleum Company | Encapsulated electronic components and encapsulation compositions |
| CN1458216A (en) * | 2002-05-15 | 2003-11-26 | 中国石油化工股份有限公司 | Sealing wax for electronic element coil |
| CN1611551A (en) * | 2003-10-31 | 2005-05-04 | 中国石油化工股份有限公司 | Dipping-sealing wax for electronic element coil |
| CN1767080A (en) * | 2004-10-29 | 2006-05-03 | 中国石油化工股份有限公司 | Insulated dipping embedding wax for transformer |
| CN101173158A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Metallized membrane capacitance embedding wax |
| CN101173102A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Soft mlcrocrystalline wax composition |
Non-Patent Citations (1)
| Title |
|---|
| ABDELWAHEB TRIGUI等: "Development and characterization of composite phase change material:Thermal conductivity and latent heat thermal energy storage", 《COMPOSITES: PART B》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292858A (en) * | 2014-09-26 | 2015-01-21 | 安徽蓝翔电器成套设备有限公司 | Insulating wax composition, preparation method thereof and transformer |
| CN104292857A (en) * | 2014-09-26 | 2015-01-21 | 安徽蓝翔电器成套设备有限公司 | Insulating wax composition, preparation method thereof and transformer |
| CN109628018A (en) * | 2018-11-29 | 2019-04-16 | 山东康威通信技术股份有限公司 | A method of oxidation PE wax is applied to circuit board sealing protection |
| CN109628018B (en) * | 2018-11-29 | 2021-03-30 | 康威通信技术股份有限公司 | Method for applying oxidized PE wax to sealing protection of circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103937274B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101173158A (en) | Metallized membrane capacitance embedding wax | |
| CN103937275A (en) | High-temperature-resistant anticorrosive transformer | |
| CN104004365A (en) | Insulating potting wax composition | |
| CN104004366A (en) | Insulating potting wax composition | |
| CN103937274A (en) | High-temperature-resistant anticorrosive transformer | |
| CN102969157A (en) | Capacitor impregnant containing modified diatomite and preparation method thereof | |
| CN104388763A (en) | Aluminum alloy material and preparation method thereof | |
| CN102382475B (en) | Metalized film capacitor encapsulation wax | |
| CN102408637B (en) | Hot-melting type filling paste for electric cable and preparation method thereof | |
| CN1274763C (en) | Dipping-sealing wax for electronic element coil | |
| CN100346423C (en) | Insulated dipping embedding wax for transformer | |
| CN101494093B (en) | Communication cable plugging compound | |
| CN1458216A (en) | Sealing wax for electronic element coil | |
| KR101411026B1 (en) | Vegetable oil based insulation oil | |
| CN102382474B (en) | Potting wax for metailized film capacitor | |
| CN102382473B (en) | Novel metalized film capacitor encapsulation wax | |
| CN104616888B (en) | A kind of ROHS dipping wax and preparation method thereof | |
| CN110684363A (en) | Preparation method of insulating potting wax | |
| CN102051053A (en) | Sealing and positioning wax for electronic tuner and preparation method thereof | |
| CN109801737B (en) | Inorganic mineral insulating layer of cable | |
| CN103102696B (en) | Impregnating and encapsulating wax for circuit board of water meter and preparation method and application thereof | |
| CN108893182B (en) | Non-cycloalkyl high-overload transformer oil base oil and preparation method thereof | |
| CN105153554A (en) | Electro-insulating rubber for oil resistant electric wire with high insulation resistance | |
| CN111057372A (en) | Cable material for new energy automobile and preparation method thereof | |
| CN104292857B (en) | Insulating wax compositions and preparation method thereof and transformator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 224056, Yancheng City, Jiangsu province salt District long salt Street Longcheng Road (D) Applicant after: Jiangsu Hasen Electric CO., LTD. Address before: 224000, Jiangsu, Yancheng City Province, west side of Salt Road dragon road Applicant before: Yancheng Hua Sheng transformer Manufacturing Co., Ltd |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |