CN106977878A - A kind of dry-type transformer encapsulating material and preparation method thereof - Google Patents
A kind of dry-type transformer encapsulating material and preparation method thereof Download PDFInfo
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- CN106977878A CN106977878A CN201710180979.9A CN201710180979A CN106977878A CN 106977878 A CN106977878 A CN 106977878A CN 201710180979 A CN201710180979 A CN 201710180979A CN 106977878 A CN106977878 A CN 106977878A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/005—Impregnating or encapsulating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of dry-type transformer encapsulating material, it is characterised in that includes the raw material of following parts by weight：150 200 parts of epoxy resin, 10 20 parts of 2 methylimidazole, 5 10 parts of triphenylphosphine, 40 60 parts of acetone, 50 70 parts of crosslinking agent, 10 30 parts of toughener, 0.1 0.3 parts of accelerator, 5 10 parts of glycidol ether, 100 150 parts of 400 mesh silicon powder, 15 parts of mill base, 80 120 parts of fiberglass gridding cloth.The dry-type transformer encapsulating material high temperature resistant of the present invention, cold-resistant thermal shock, ageing-resistant, good toughness, thermal conductivity factor are higher, linear expansion coefficient is relatively low, good insulating, and material cost is relatively low, raw material is easy to get and preparation method simple, has a good application prospect.
Description
Technical field
The present invention relates to insulating materials technical field, and in particular to a kind of dry-type transformer encapsulating material and its preparation side
Method.
Background technology
With the continuous improvement and the progress of transformer technology of power network power reguirements, development of the dry-type transformer in China
Rapidly, power station, factory, hospital etc. it have been widely used in nearly all electrically.At present, China's only resin-insulated dry transformation
Device annual production reaches 10000MVA, as one of maximum country of dry-type transformer volume of production and marketing in the world.
Dry-type power transformer includes encapsulated layer and coil, and conventional encapsulation layer material is the material based on epoxy resin
Material, epoxy resin is a kind of wide variety of industrial chemicals, with fire retardant, fire-retardant and superior electric property ratio air and
The dielectric strength of transformer oil is also high, and the transformer coil after moulding by casting has a high mechanical strength, superior protection against the tide, dust tightness
Can, it is widely used in urban distribution network, the especially place high to fire prevention, safety requirements.
Dry-type transformer is mainly made up of iron core, high-tension coil, low-voltage coil, 4 parts of epoxy encapsulation part, wherein
From the point of view of reliability, most weak part is epoxy encapsulation part.Current dry-type transformer (hereinafter referred to as dry to become), dry type are mutual
The poured with epoxy resin material reaction speed of sensor (hereinafter referred to as mutually dry) is slow, hardening time length, solidification temperature height, therefore efficiency
It is low, waste electric energy.And there is following defect in traditional epoxy resin：Smell is big, and excitant is strong, pollutes environment；Building-up process is difficult
To control molecular weight, cause batch uneven, influence lot stability；Technique amplitude is small, during using coating wire rod, furnace temperature/rotating speed
Influence is very big, high to application requirement, it is difficult to form smooth finish surface；Cohesive force is less than normal, has gap or bubble to produce when using unavoidably,
Insulating properties are difficult to ensure that, poor heat resistance is easily influenceed by thermal-electrical aging, and encapsulating material overall performance constantly declines, finally
Influence the service life of dry-type transformer.
The content of the invention
For the defect of prior art, it is an object of the invention to provide a kind of dry-type transformer encapsulating material, the dry type
Transformer encapsulating material high temperature resistant, cold-resistant thermal shock, ageing-resistant, good toughness, thermal conductivity factor are higher, linear expansion coefficient is relatively low,
Good insulating, material cost is relatively low, raw material is easy to get and preparation method simple, has a good application prospect.
The present invention solves technical problem and adopted the following technical scheme that：
The invention provides a kind of dry-type transformer encapsulating material, include the raw material of following parts by weight：
150-200 parts of epoxy resin, 10-20 parts of 2-methylimidazole, 5-10 parts of triphenylphosphine, 40-60 parts of acetone, crosslinking agent 50-
70 parts, 10-30 parts of toughener, 0.1-0.3 parts of accelerator, 5-10 parts of glycidol ether, 100-150 parts of 400 mesh silicon powder, mill base
1-5 parts, 80-120 parts of fiberglass gridding cloth.
Preferably, the dry-type transformer includes the raw material of following parts by weight with encapsulating material：
180 parts of epoxy resin, 15 parts of 2-methylimidazole, 8 parts of triphenylphosphine, 50 parts of acetone, 60 parts of crosslinking agent, 20 parts of toughener,
0.2 part of accelerator, 8 parts of glycidol ether, 130 parts of 400 mesh silicon powder, 3 parts of mill base, 100 parts of fiberglass gridding cloth.
Preferably, the crosslinking agent is：In amino resins, toluene di-isocyanate(TDI), methyl diphenylene diisocyanate
It is one or more of.
Preferably, the toughener is carboxyl LNBR, carboxyl end of the liquid acrylonitrile-butadiene rubber, polysulfide rubber, liquid
One or more in silicon rubber.
Preferably, the accelerator is the one or more in DMP-30, EP-184, triethanolamine.
Present invention also offers a kind of preparation method of dry-type transformer encapsulating material, comprise the following steps：
Step one, epoxy resin, 2-methylimidazole, triphenylphosphine, acetone are mixed, stirred at 10-30 DEG C, during stirring
Between 1-2 hours, obtain mixture A；
Step 2, mixture A made from step one is added in resin reaction kettle, crosslinking agent, toughener, rush is sequentially added
Enter agent, glycidol ether, 400 mesh silicon powders, mill base, be warming up to 70-90 DEG C, vacuumize, vacuum：0.08-0.1MPa, stirring
Obtain compound B within 1-3 hours；
Step 3, fiberglass gridding cloth is put into the mould to be poured into a mould, mould then is put into vacuum pouring case, in vacuum
Spend under 0.08-0.1MPa, compound B made from step 2 is poured into mould, it is 1.5-2kg/min to control charging rate, until
Charging is completed；
Step 4, will pour the mould being poured in curing oven internal heating curing, solidification temperature is maintained at 90-110 DEG C, continue after 1-2h
Produce dry-type transformer encapsulating material.
Preferably, in the step one whipping temp be 20 DEG C, mixing time be 1.5 hours, warming temperature in step 2
It is 0.09MPa for 80 DEG C, vacuum, mixing time is 2 hours.
Preferably, vacuum is that 0.09MPa, charging rate are solidification in 1.8 kg/min, step 4 in the step 3
Temperature is 100 DEG C, the duration is 1.5h.
Compared with prior art, the present invention has following beneficial effect：
（1）The dry-type transformer of the present invention with the addition of glycidol ether with encapsulating material, effectively reduce the viscous of whole system
Degree, it is ensured that mobility and manufacturability；The addition of toughener can make whole system toughness increase the addition of mill base so that outside product
See more beautiful.
（2）The dry-type transformer of the present invention is mixed epoxy resin, 2-methylimidazole, triphenylphosphine, acetone with encapsulating material
Conjunction enables to obtained encapsulating material heat resistance more preferably, extends the service life of material in the presence of a harsh environment, improves material
The temperature classification of material.
（3）It can be pre-soaked resin that the dry-type transformer of the present invention, which with the addition of fiberglass gridding cloth with encapsulating material,
Can also be non-resin pickup, its addition will form high-strength resin-based composite material, effectively resist solidfied material because of heat expansion
Ftractureed caused by shrinkage so that whole curing system can not ftracture in flash cure process.
（4）The dry-type transformer encapsulating material of the present invention, its cost of raw material is relatively low, technique concise, preparation method letter
Single, suitable large-scale industrial production, is with a wide range of applications.
Embodiment
With reference to specific embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, shown
So, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the reality in the present invention
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all belongs to
In the scope of protection of the invention.
Embodiment 1.
The dry-type transformer encapsulating material of the present embodiment, includes the raw material of following parts by weight：
150 parts of epoxy resin, 10 parts of 2-methylimidazole, 5 parts of triphenylphosphine, 40 parts of acetone, 50 parts of toluene di-isocyanate(TDI), polysulfide
10 parts of rubber, 0.1 part of triethanolamine, 5 parts of glycidol ether, 100 parts of 400 mesh silicon powder, 1 part of mill base, fiberglass gridding cloth
80 parts.
The preparation method of the dry-type transformer encapsulating material of the present embodiment, comprises the following steps：
Step one, epoxy resin, 2-methylimidazole, triphenylphosphine, acetone are mixed, stirred at 10 DEG C, mixing time 1
Hour, obtain mixture A；
Step 2, mixture A made from step one is added in resin reaction kettle, crosslinking agent toluene diisocyanate is sequentially added
Acid esters, polysulfide rubber, triethanolamine, glycidol ether, 400 mesh silicon powders, mill base, are warming up to 70 DEG C, vacuumize, vacuum：
0.08MPa, stirring obtains compound B in 1 hour；
Step 3, fiberglass gridding cloth is put into the mould to be poured into a mould, mould then is put into vacuum pouring case, in vacuum
Spend under 0.08MPa, compound B made from step 2 is poured into mould, it is 1.5kg/min to control charging rate, until having fed
Into；
Step 4, will pour the mould being poured in curing oven internal heating curing, solidification temperature is maintained at 90 DEG C, be produced after lasting 1h dry
Formula transformer encapsulating material.
Embodiment 2.
The dry-type transformer encapsulating material of the present embodiment, includes the raw material of following parts by weight：
200 parts of epoxy resin, 20 parts of 2-methylimidazole, 10 parts of triphenylphosphine, 60 parts of acetone, methyl diphenylene diisocyanate 70
Part, 30 parts of liquid silastic, 0.3 part of EP-184,10 parts of glycidol ether, 150 parts of 400 mesh silicon powder, 5 parts of mill base, glass fibers
Tie up 120 parts of grid cloth.
The preparation method of the dry-type transformer encapsulating material of the present embodiment, comprises the following steps：
Step one, epoxy resin, 2-methylimidazole, triphenylphosphine, acetone are mixed, stirred at 30 DEG C, mixing time 2
Hour, obtain mixture A；
Step 2, mixture A made from step one is added in resin reaction kettle, sequentially adds the isocyanide of diphenyl methane two
Acid esters, liquid silastic, EP-184, glycidol ether, 400 mesh silicon powders, mill base, are warming up to 90 DEG C, vacuumize, vacuum：
0.08-0.1MPa, stirring obtains compound B in 3 hours；
Step 3, fiberglass gridding cloth is put into the mould to be poured into a mould, mould then is put into vacuum pouring case, in vacuum
Spend under 0.1MPa, compound B made from step 2 is poured into mould, it is 2kg/min to control charging rate, until charging is completed；
Step 4, will pour the mould being poured in curing oven internal heating curing, solidification temperature is maintained at 110 DEG C, be produced after continuing 2h
Dry-type transformer encapsulating material.
Embodiment 3.
The dry-type transformer encapsulating material of the present embodiment, includes the raw material of following parts by weight：
180 parts of epoxy resin, 15 parts of 2-methylimidazole, 8 parts of triphenylphosphine, 50 parts of acetone, 60 parts of amino resins, carboxyl liquid fourth
20 parts of nitrile rubber, 0.2 part of DMP-30,8 parts of glycidol ether, 130 parts of 400 mesh silicon powder, 3 parts of mill base, fiberglass gridding cloth
100 parts.
The preparation method of the dry-type transformer encapsulating material of the present embodiment, comprises the following steps：
Step one, epoxy resin, 2-methylimidazole, triphenylphosphine, acetone are mixed, stirred at 20 DEG C, mixing time
1.5 hours, obtain mixture A；
Step 2, mixture A made from step one is added in resin reaction kettle, sequentially adds amino resins, carboxyl liquid
Body nitrile rubber, DMP-30, glycidol ether, 400 mesh silicon powders, mill base, are warming up to 80 DEG C, vacuumize, vacuum：
0.09MPa, stirring obtains compound B in 2 hours；
Step 3, fiberglass gridding cloth is put into the mould to be poured into a mould, mould then is put into vacuum pouring case, in vacuum
Spend under 0.09MPa, compound B made from step 2 is poured into mould, it is 1.8kg/min to control charging rate, until having fed
Into；
Step 4, will pour the mould being poured in curing oven internal heating curing, solidification temperature is maintained at 100 DEG C, continue after 1.5h i.e.
Obtain dry-type transformer encapsulating material.
Embodiment 4.
The dry-type transformer encapsulating material of the present embodiment, includes the raw material of following parts by weight：
180 parts of epoxy resin, 17 parts of 2-methylimidazole, 6 parts of triphenylphosphine, 45 parts of acetone, 55 parts of toluene di-isocyanate(TDI), polysulfide
15 parts of rubber, 0.2 part of triethanolamine, 9 parts of glycidol ether, 140 parts of 400 mesh silicon powder, 4 parts of mill base, fiberglass gridding cloth
90 parts.
The preparation method of the dry-type transformer encapsulating material of the present embodiment, comprises the following steps：
Step one, epoxy resin, 2-methylimidazole, triphenylphosphine, acetone are mixed, stirred at 15 DEG C, mixing time
1.5 hours, obtain mixture A；
Step 2, mixture A made from step one is added in resin reaction kettle, sequentially add toluene di-isocyanate(TDI),
Polysulfide rubber, triethanolamine, glycidol ether, 400 mesh silicon powders, mill base, are warming up to 85 DEG C, vacuumize, vacuum：
0.09MPa, stirring obtains compound B in 1.5 hours；
Step 3, fiberglass gridding cloth is put into the mould to be poured into a mould, mould then is put into vacuum pouring case, in vacuum
Spend under 0.09MPa, compound B made from step 2 is poured into mould, it is 1.9kg/min to control charging rate, until having fed
Into；
Step 4, will pour the mould being poured in curing oven internal heating curing, solidification temperature is maintained at 95 DEG C, be produced after continuing 1.8h
Dry-type transformer encapsulating material.
The dry-type transformer of the present invention with the addition of glycidol ether with encapsulating material, effectively reduce the viscous of whole system
Degree, it is ensured that mobility and manufacturability；The addition of toughener can make whole system toughness increase the addition of mill base so that outside product
See more beautiful；Epoxy resin, 2-methylimidazole, triphenylphosphine, acetone are mixed and enable to obtained encapsulating material heat resistance
More preferably, the service life of material in the presence of a harsh environment is extended, the temperature classification of material is improved；It with the addition of fiberglass gridding
Cloth can be pre-soaked resin or non-resin pickup, and its addition will form high-strength resin-based composite material, effectively
Resist solidfied material and ftractureed caused by expanding with heat and contract with cold in ground so that whole curing system can not ftracture in flash cure process.
The dry-type transformer encapsulating material of the present invention, its cost of raw material is relatively low, technique concise, preparation method is simple, be adapted to big rule
Mould industrial production, is with a wide range of applications.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (8)
1. a kind of dry-type transformer encapsulating material, it is characterised in that include the raw material of following parts by weight：
150-200 parts of epoxy resin, 10-20 parts of 2-methylimidazole, 5-10 parts of triphenylphosphine, 40-60 parts of acetone, crosslinking agent 50-
70 parts, 10-30 parts of toughener, 0.1-0.3 parts of accelerator, 5-10 parts of glycidol ether, 100-150 parts of 400 mesh silicon powder, mill base
1-5 parts, 80-120 parts of fiberglass gridding cloth.
2. dry-type transformer encapsulating material according to claim 1, it is characterised in that the dry-type transformer encapsulation
Material includes the raw material of following parts by weight：
180 parts of epoxy resin, 15 parts of 2-methylimidazole, 8 parts of triphenylphosphine, 50 parts of acetone, 60 parts of crosslinking agent, 20 parts of toughener,
0.2 part of accelerator, 8 parts of glycidol ether, 130 parts of 400 mesh silicon powder, 3 parts of mill base, 100 parts of fiberglass gridding cloth.
3. dry-type transformer encapsulating material according to claim 1 or 2, it is characterised in that the crosslinking agent is：Amino
One or more in resin, toluene di-isocyanate(TDI), methyl diphenylene diisocyanate.
4. dry-type transformer encapsulating material according to claim 1 or 2, it is characterised in that the toughener is carboxyl
One or more in LNBR, carboxyl end of the liquid acrylonitrile-butadiene rubber, polysulfide rubber, liquid silastic.
5. dry-type transformer encapsulating material according to claim 1 or 2, it is characterised in that the accelerator is DMP-
30th, the one or more in EP-184, triethanolamine.
6. the preparation method of dry-type transformer encapsulating material according to claim 1 or 2, it is characterised in that including with
Lower step：
Step one, epoxy resin, 2-methylimidazole, triphenylphosphine, acetone are mixed, stirred at 10-30 DEG C, during stirring
Between 1-2 hours, obtain mixture A；
Step 2, mixture A made from step one is added in resin reaction kettle, crosslinking agent, toughener, rush is sequentially added
Enter agent, glycidol ether, 400 mesh silicon powders, mill base, be warming up to 70-90 DEG C, vacuumize, vacuum：0.08-0.1MPa, stirring
Obtain compound B within 1-3 hours；
Step 3, fiberglass gridding cloth is put into the mould to be poured into a mould, mould then is put into vacuum pouring case, in vacuum
Spend under 0.08-0.1MPa, compound B made from step 2 is poured into mould, it is 1.5-2kg/min to control charging rate, until
Charging is completed；
Step 4, will pour the mould being poured in curing oven internal heating curing, solidification temperature is maintained at 90-110 DEG C, continue after 1-2h
Produce dry-type transformer encapsulating material.
7. the preparation method of dry-type transformer encapsulating material according to claim 6, it is characterised in that the step one
Middle whipping temp is 20 DEG C, mixing time is 1.5 hours, in step 2 warming temperature be 80 DEG C, vacuum be 0.09MPa, stir
The time is mixed for 2 hours.
8. the preparation method of dry-type transformer encapsulating material according to claim 6, it is characterised in that the step 3
Middle vacuum be 0.09MPa, charging rate be in 1.8 kg/min, step 4 solidification temperature be 100 DEG C, the duration be
1.5h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710180979.9A CN106977878A (en) | 2017-03-24 | 2017-03-24 | A kind of dry-type transformer encapsulating material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710180979.9A CN106977878A (en) | 2017-03-24 | 2017-03-24 | A kind of dry-type transformer encapsulating material and preparation method thereof |
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| CN106977878A true CN106977878A (en) | 2017-07-25 |
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ID=59339555
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107513254A (en) * | 2017-09-21 | 2017-12-26 | 上海稳优实业有限公司 | The low electric epoxy resin of adhesive high-temperature resistant cracking resistance |
| CN108047655A (en) * | 2017-12-28 | 2018-05-18 | 西安合容电力设备有限公司 | A kind of formula and preparation method of dry reactor encapsulating insulation system |
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| CN101508825A (en) * | 2009-03-30 | 2009-08-19 | 汕头市骏码凯撒有限公司 | Epoxy resin embedding glue and method for producing the same |
| CN105542667A (en) * | 2015-12-22 | 2016-05-04 | 安徽西高电气设备有限公司 | Quick-drying curing adhesive material composition used for transformer and preparation method for quick-drying curing adhesive |
| CN106280278A (en) * | 2016-09-23 | 2017-01-04 | 上海三足鼎新材料股份有限公司 | Dry-type transformer or dry type mutual inductor speed cured epoxy resin castable and preparation and application thereof |
-
2017
- 2017-03-24 CN CN201710180979.9A patent/CN106977878A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508825A (en) * | 2009-03-30 | 2009-08-19 | 汕头市骏码凯撒有限公司 | Epoxy resin embedding glue and method for producing the same |
| CN105542667A (en) * | 2015-12-22 | 2016-05-04 | 安徽西高电气设备有限公司 | Quick-drying curing adhesive material composition used for transformer and preparation method for quick-drying curing adhesive |
| CN106280278A (en) * | 2016-09-23 | 2017-01-04 | 上海三足鼎新材料股份有限公司 | Dry-type transformer or dry type mutual inductor speed cured epoxy resin castable and preparation and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107513254A (en) * | 2017-09-21 | 2017-12-26 | 上海稳优实业有限公司 | The low electric epoxy resin of adhesive high-temperature resistant cracking resistance |
| CN108047655A (en) * | 2017-12-28 | 2018-05-18 | 西安合容电力设备有限公司 | A kind of formula and preparation method of dry reactor encapsulating insulation system |
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