CN107805369A - Transformer enclosure material with excellent weather resistance and preparation method thereof - Google Patents
Transformer enclosure material with excellent weather resistance and preparation method thereof Download PDFInfo
- Publication number
- CN107805369A CN107805369A CN201711068046.7A CN201711068046A CN107805369A CN 107805369 A CN107805369 A CN 107805369A CN 201711068046 A CN201711068046 A CN 201711068046A CN 107805369 A CN107805369 A CN 107805369A
- Authority
- CN
- China
- Prior art keywords
- preparation
- weather resistance
- excellent weather
- ethanol
- transformer enclosure
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
- C08K2003/3081—Aluminum sulfate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of transformer enclosure material with excellent weather resistance and preparation method thereof, the preparation method includes：1) molecular sieve, sodium sulfate of polyethenoxy ether of fatty alcohol, glycerine, trehalose and ethanol are subjected to haptoreaction, filter to take filter cake so that modified molecular screen is made；2) modified molecular screen, chitosan, ethanol are then subjected to coating reaction, filter to take filter cake so that modifying agent is made；3) epoxy resin, castor oil, precipitated calcium carbonate, aluminium hydroxide, aluminum sulfate, triethanolamine, rosin and modifying agent is mixed so that the transformer enclosure material with excellent weather resistance is made.The encapsulating material has an excellent cold performance, while the preparation method has process simple and the advantages of raw material is easy to get.
Description
Technical field
The present invention relates to transformer enclosure material, in particular it relates to a kind of transformer enclosure material with excellent weather resistance
Material and preparation method thereof.
Background technology
Dry-type transformer is mainly made up of iron core, high-tension coil, low-voltage coil, the part of encapsulated layer 4, wherein, iron core, high pressure
Encapsulating material is required between coil and low-voltage coil this three to be packaged to have the function that to insulate and fixed.At present, most
Conventional encapsulation layer material is epoxy resin.Epoxy resin is a kind of wide variety of industrial chemicals, have it is fire retardant, it is fire-retardant, and
Superior electric property, also higher than the dielectric strength of air and transformer oil, the transformer coil after moulding by casting has machinery
Intensity is high, superior protection against the tide, anti-dust performance, is widely used in urban distribution network, place especially high to fire prevention, safety requirements.
Although epoxy resin has above-mentioned various superior performances, in the area of cold, epoxy resin easily produces
Crackle, even crack, and then cause the security of transformer to be difficult to be guaranteed.
The content of the invention
It is an object of the invention to provide a kind of transformer enclosure material with excellent weather resistance and preparation method thereof, the envelope
Package material has an excellent cold performance, while the preparation method has process simple and the advantages of raw material is easy to get.
To achieve these goals, the invention provides a kind of preparation of the transformer enclosure material with excellent weather resistance
Method, the preparation method include：
1) molecular sieve, sodium sulfate of polyethenoxy ether of fatty alcohol, glycerine, trehalose and ethanol are subjected to haptoreaction, mistake
Leaching filter cake is with obtained modified molecular screen；
2) modified molecular screen, chitosan, ethanol are then subjected to coating reaction, filter to take filter cake so that modifying agent is made；
3) by epoxy resin, castor oil, precipitated calcium carbonate, aluminium hydroxide, aluminum sulfate, triethanolamine, rosin and modifying agent
Mixing has the transformer enclosure material of excellent weather resistance to be made.
, should the change with excellent weather resistance present invention also offers a kind of transformer enclosure material with excellent weather resistance
Depressor encapsulating material is prepared by above-mentioned preparation method.
In the above-mentioned technical solutions, the obtained encapsulating material of collective effect that the present invention passes through each raw material and each step
With excellent cold performance, while the preparation method has process simple and the advantages of raw material is easy to get.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
The invention provides a kind of preparation method of the transformer enclosure material with excellent weather resistance, the preparation method bag
Include：
1) molecular sieve, sodium sulfate of polyethenoxy ether of fatty alcohol, glycerine, trehalose and ethanol are subjected to haptoreaction, mistake
Leaching filter cake is with obtained modified molecular screen；
2) modified molecular screen, chitosan, ethanol are then subjected to coating reaction, filter to take filter cake so that modifying agent is made；
3) by epoxy resin, castor oil, precipitated calcium carbonate, aluminium hydroxide, aluminum sulfate, triethanolamine, rosin and modifying agent
Mixing has the transformer enclosure material of excellent weather resistance to be made.
In the step 1) of the present invention, the dosage of each material can select in wide scope, but in order that obtained
Encapsulating material has excellent cold performance, it is preferable that in step 1), molecular sieve, sodium sulfate of polyethenoxy ether of fatty alcohol, third
The weight ratio of triol, trehalose and ethanol is 10：0.2-0.5：2-5：6-8：10-15.
In the step 1) of the present invention, catalytic condition can select in wide scope, but in order that be made
Encapsulating material there is excellent cold performance, it is preferable that in step 1), haptoreaction meets following condition：First by system
Heated up from 40-50 DEG C with 0.4-0.6 DEG C/min and 110-125 DEG C and be incubated 2-4h, 60-70 is then cooled to 1-1.5 DEG C/min
DEG C and be incubated 5-7h.
In the step 2) of the present invention, the dosage of each material can select in wide scope, but in order that obtained
Encapsulating material has excellent cold performance, it is preferable that in step 2), modified molecular screen, chitosan, the weight ratio of ethanol are
10：3-7：15-20.
In the step 2) of the present invention, the condition of coating reaction can select in wide scope, but in order that be made
Encapsulating material there is excellent cold performance, it is preferable that in step 2), coating reaction meets following condition：Reaction temperature
For 55-70 DEG C, reaction time 8-10h.
In the step 3) of the present invention, the dosage of each material can select in wide scope, but in order that obtained
Encapsulating material has excellent cold performance, it is preferable that in step 3), epoxy resin, castor oil, precipitated calcium carbonate, hydrogen-oxygen
The weight ratio for changing aluminium, aluminum sulfate, triethanolamine, rosin and modifying agent is 100：33-45：17-26：10-19：3-8：12-22：
30-40：8-12.
In the step 3) of the present invention, the condition of mixing can select in wide scope, but in order that obtained envelope
Package material has excellent cold performance, it is preferable that in step 3), mixing meets following condition：Mixing temperature is 15-35
DEG C, incorporation time 40-60min.
, should the change with excellent weather resistance present invention also offers a kind of transformer enclosure material with excellent weather resistance
Depressor encapsulating material is prepared by above-mentioned preparation method.
The present invention will be described in detail by way of examples below.
Embodiment 1
1) by molecular sieve, sodium sulfate of polyethenoxy ether of fatty alcohol, glycerine, trehalose and ethanol according to 10：0.3：3：7：
System (is first warming up to 115 DEG C with 0.5 DEG C/min from 45 DEG C and is incubated 3h, then with 1.3 by 13 weight than carrying out haptoreaction
DEG C/min is cooled to 65 DEG C and is incubated 6h), filter to take filter cake so that modified molecular screen is made；
2) then by modified molecular screen, chitosan, ethanol according to 10：5：18 weight is than carrying out coating reaction (reaction temperature
Spend for 60 DEG C, reaction time 9h), filter to take filter cake so that modifying agent is made；
3) by epoxy resin, castor oil, precipitated calcium carbonate, aluminium hydroxide, aluminum sulfate, triethanolamine, rosin and modifying agent
According to 100：38：20：15：5：19：35：10 weight ratio mixed (mixing temperature be 25 DEG C, incorporation time 50min) with
The transformer enclosure materials A 1 with excellent weather resistance is made.
Embodiment 2
1) by molecular sieve, sodium sulfate of polyethenoxy ether of fatty alcohol, glycerine, trehalose and ethanol according to 10：0.2：2：6：
System (is first warming up to 110 DEG C with 0.4 DEG C/min from 40 DEG C and is incubated 2h, then with 1 by 10 weight than carrying out haptoreaction
DEG C/min is cooled to 60 DEG C and is incubated 5h), filter to take filter cake so that modified molecular screen is made；
2) then by modified molecular screen, chitosan, ethanol according to 10：3：15 weight is than carrying out coating reaction (reaction temperature
Spend for 55 DEG C, reaction time 8h), filter to take filter cake so that modifying agent is made；
3) by epoxy resin, castor oil, precipitated calcium carbonate, aluminium hydroxide, aluminum sulfate, triethanolamine, rosin and modifying agent
According to 100：33：17：10：3：12：30：8 weight ratio mixed (mixing temperature be 15 DEG C, incorporation time 40min) with
The transformer enclosure materials A 2 with excellent weather resistance is made.
Embodiment 3
1) by molecular sieve, sodium sulfate of polyethenoxy ether of fatty alcohol, glycerine, trehalose and ethanol according to 10：0.5：5：8：
System (is first warming up to 125 DEG C with 0.6 DEG C/min from 50 DEG C and is incubated 4h, then with 1.5 by 15 weight than carrying out haptoreaction
DEG C/min is cooled to 70 DEG C and is incubated 7h), filter to take filter cake so that modified molecular screen is made；
2) then by modified molecular screen, chitosan, ethanol according to 10：7：20 weight is than carrying out coating reaction (reaction temperature
Spend for 70 DEG C, reaction time 10h), filter to take filter cake so that modifying agent is made；
3) by epoxy resin, castor oil, precipitated calcium carbonate, aluminium hydroxide, aluminum sulfate, triethanolamine, rosin and modifying agent
According to 100：45：26：19：8：22：40：12 weight ratio mixed (mixing temperature be 35 DEG C, incorporation time 60min) with
The transformer enclosure materials A 3 with excellent weather resistance is made.
Comparative example 1
Method according to embodiment 1 carries out that transformer enclosure material B1 is made, unlike, step 1) is not used the third three
Alcohol.
Comparative example 2
Method according to embodiment 1 carries out that transformer enclosure material B2 is made, unlike, marine alga is not used in step 1)
Sugar.
Comparative example 3
Method according to embodiment 1 carries out that transformer enclosure material B3 is made, unlike, step 2) is not used shell and gathered
Sugar.
Application examples 1
Above-mentioned transformer enclosure material is kneaded (melting temperature is 145 DEG C, mixing time 50min), then will be kneaded
Thing is poured in voltage device core so that transformer is made.
Detect example 1
Above-mentioned transformer is placed at -40 DEG C 7 days, the crack density on the surface of encapsulated layer is then detected, is specifically shown in Table 1.
Table 1
| Transformer enclosure material | A1 | A2 | A3 | B1 | B2 | B3 |
| Crack density (bar/m2) | 0 | 0 | 0 | 7 | 5 | 11 |
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (8)
- A kind of 1. preparation method of the transformer enclosure material with excellent weather resistance, it is characterised in that the preparation method bag Include：1) molecular sieve, sodium sulfate of polyethenoxy ether of fatty alcohol, glycerine, trehalose and ethanol are subjected to haptoreaction, filtered to take Filter cake is with obtained modified molecular screen；2) modified molecular screen, chitosan, ethanol are then subjected to coating reaction, filter to take filter cake so that modifying agent is made；3) by epoxy resin, castor oil, precipitated calcium carbonate, aluminium hydroxide, aluminum sulfate, triethanolamine, rosin and the modifying agent Mixing is with the obtained transformer enclosure material with excellent weather resistance.
- 2. preparation method according to claim 1, wherein, in step 1), the molecular sieve, AEO Sodium sulphate, glycerine, the weight ratio of trehalose and ethanol are 10：0.2-0.5：2-5：6-8：10-15.
- 3. preparation method according to claim 1, wherein, in step 1), the haptoreaction meets following condition：First System is heated up from 40-50 DEG C with 0.4-0.6 DEG C/min and 110-125 DEG C and is incubated 2-4h, is then cooled to 1-1.5 DEG C/min 60-70 DEG C and it is incubated 5-7h.
- 4. according to the preparation method described in any one in claim 1-3, wherein, in step 2), the modified molecular screen, Chitosan, the weight ratio of ethanol are 10：3-7：15-20.
- 5. preparation method according to claim 4, wherein, in step 2), the coating reaction meets following condition：Instead It is 55-70 DEG C to answer temperature, reaction time 8-10h.
- 6. according to the preparation method described in any one in claim 1-3,5, wherein, in step 3), the epoxy resin, Castor oil, precipitated calcium carbonate, aluminium hydroxide, aluminum sulfate, triethanolamine, the weight ratio of rosin and modifying agent are 100：33-45： 17-26：10-19：3-8：12-22：30-40：8-12.
- 7. preparation method according to claim 6, wherein, in step 3), the mixing meets following condition：Mixing temperature Spend for 15-35 DEG C, incorporation time 40-60min.
- A kind of 8. transformer enclosure material with excellent weather resistance, it is characterised in that the transformation with excellent weather resistance Device encapsulating material is prepared by the preparation method described in any one in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068046.7A CN107805369A (en) | 2017-11-03 | 2017-11-03 | Transformer enclosure material with excellent weather resistance and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711068046.7A CN107805369A (en) | 2017-11-03 | 2017-11-03 | Transformer enclosure material with excellent weather resistance and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107805369A true CN107805369A (en) | 2018-03-16 |
Family
ID=61591107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711068046.7A Pending CN107805369A (en) | 2017-11-03 | 2017-11-03 | Transformer enclosure material with excellent weather resistance and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107805369A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638505A (en) * | 2008-07-28 | 2010-02-03 | 东丽纤维研究所（中国）有限公司 | Low dielectric-epoxy resin/mesoporous molecular sieve hybrid material and preparation method thereof |
| CN104119644A (en) * | 2014-06-09 | 2014-10-29 | 青岛申达高新技术开发有限公司 | Encapsulating material for transformer |
| CN105400138A (en) * | 2015-11-26 | 2016-03-16 | 芜湖金牛电气股份有限公司 | Epoxy resin packaging material for dry-type transformer and preparation method thereof |
-
2017
- 2017-11-03 CN CN201711068046.7A patent/CN107805369A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638505A (en) * | 2008-07-28 | 2010-02-03 | 东丽纤维研究所（中国）有限公司 | Low dielectric-epoxy resin/mesoporous molecular sieve hybrid material and preparation method thereof |
| CN104119644A (en) * | 2014-06-09 | 2014-10-29 | 青岛申达高新技术开发有限公司 | Encapsulating material for transformer |
| CN105400138A (en) * | 2015-11-26 | 2016-03-16 | 芜湖金牛电气股份有限公司 | Epoxy resin packaging material for dry-type transformer and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 龚云表等: "《合成树脂与塑料手册》", 31 August 1993, 上海科学技术出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203882775U (en) | Dry double-split amorphous alloy transformer | |
| CN107805369A (en) | Transformer enclosure material with excellent weather resistance and preparation method thereof | |
| CN107815069A (en) | Cold-resistant transformer and preparation method thereof | |
| CN107903583A (en) | Dry type high life low energy consumption transformer and preparation method thereof | |
| CN107663359A (en) | High-Isolation Transformer encapsulating material and preparation method thereof | |
| CN107722565A (en) | Electric power high security transformer and preparation method thereof | |
| CN109285681B (en) | Self-circulation three-winding autotransformer and manufacturing method thereof | |
| CN107141527A (en) | Aviation PVC/ carbon fiber composite cable sealing sheaths and preparation method thereof | |
| CN107805370A (en) | Anti-aging transformer enclosure material and preparation method thereof | |
| CN105374537B (en) | Transformer case and preparation method thereof | |
| CN206628348U (en) | A kind of foil cast winding of unilateral four terminals of axial split | |
| CN208970225U (en) | A kind of environment-friendly fireproof cable | |
| CN104779043B (en) | A kind of 220kV ice-melt rectifier transformer | |
| CN2914273Y (en) | Moistureproof enveloped dry-type transformer | |
| CN203982993U (en) | Cast-type split reactor | |
| CN204834310U (en) | Metallic glass resin insulating transformer | |
| CN103177853A (en) | Epoxy resin pouring dry type transformer for electric locomotive | |
| CN104868385A (en) | Anti-corrosion high voltage power distribution cabinet body and processing method thereof | |
| CN107141962A (en) | A kind of switch cubicle surface coating material and preparation method thereof | |
| CN206711725U (en) | A kind of combined transformer | |
| CN206282670U (en) | Rural power grids 10kV lightning protection needle type composite insulators | |
| CN201149788Y (en) | Hollow conductor and transformer or reactor equipped with the same | |
| CN105419245A (en) | Attapulgite modified anti-aging cable insulation material and preparation method thereof | |
| CN207021116U (en) | A kind of Cast Resin Dry-Type Transformer | |
| CN105355271B (en) | High-performance mixed weaving set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180316 |