CN104610857A - High-storage-stability impregnating varnish for transformer - Google Patents
High-storage-stability impregnating varnish for transformer Download PDFInfo
- Publication number
- CN104610857A CN104610857A CN201510061838.6A CN201510061838A CN104610857A CN 104610857 A CN104610857 A CN 104610857A CN 201510061838 A CN201510061838 A CN 201510061838A CN 104610857 A CN104610857 A CN 104610857A
- Authority
- CN
- China
- Prior art keywords
- parts
- impregnating varnish
- storage stability
- transformer high
- weight
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Insulating Of Coils (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
The invention provides a high-storage-stability impregnating varnish for a transformer. The high-storage-stability impregnating varnish comprises the following components in parts by weight: 100 parts of unsaturated polyester, 25-30 parts of silicone resin, 1.5 parts of benzoic acid, 0.5-0.8 part of benzoyl peroxide, 5-8 parts of N, N-dimethylaniline, 1-1.5 parts of a flatting agent, 10-12 parts of a curing agent and 9-11 parts of an active diluent, wherein the unsaturated polyester comprises maleic anhydride, propylene glycol, polybasic acid and diallyl phthalate at a parts by weight ratio of 4: 3: 2: 1. According to the high-storage-stability impregnating varnish for the transformer, the raw materials, the flatting agent, the curing agent and the active diluent are specially selected so that the properties of the high-storage-stability impregnating varnish for the transformer are significantly improved.
Description
Technical field
The present invention relates to impregnating varnish technical field, particularly relate to a kind of transformer high-storage stability impregnating varnish.
Background technology
Along with the development of Chinese national economy is also risen increasingly to the demand of electric power rapidly, have also been obtained significant progress as the major equipment transformer in power transmission and transformation system.At home, for adapting to and meeting the need of market, many manufacturing firms constantly improve product structure, enhance product performance, advanced technology & equipment is introduced from external, in the exploration of novel process novel material, do unremitting effort, improve constantly the q&r of product with this, obtain significant progress.Wherein, the factor affecting power transformer product performance is a lot, the material of such as iron core, the performance etc. of the mode that winding is wound around and insulating material.As the impregnating varnish of one of the insulating material of transformer, there is vital impact to transformer performance.Impregnating varnish, for flooding electric apparatus coil and component, fills the gap in insulation system and micropore, forms the paint film of continuous formation on impregnated thing surface, and makes coil be bonded to a solid entirety.Impregnating varnish divides solvent impregnating varnish and the large class of solvent-free immersion paint two, relative solvent impregnating varnish, and solvent-free immersion paint mainly contains following advantage: filling ratio is high, insulation layer air-gap-free, and paint film is smooth solid; Solidification fugitive constituent is low, and environmental pollution is little, and processing condition are good; Be convenient to automatization impregnation technology.Although the kind of solvent-free insulated impregnating varnish is a lot, but still can not meet the requirement of the transformer insulated performance day by day improved, especially in the environmental protection, energy-conservation and package stability of impregnating varnish, require that impregnating varnish is along with the equipment such as transformer, electrical equipment and electrical is towards the future development of environmental protection and energy saving, therefore more and more higher requirement is proposed to over-all properties between the gel of impregnating varnish, set time and stability.
Summary of the invention
Provide hereinafter about brief overview of the present invention, to provide about the basic comprehension in some of the present invention.Should be appreciated that this general introduction is not summarize about exhaustive of the present invention.It is not that intention determines key of the present invention or integral part, and nor is it intended to limit the scope of the present invention.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
The object of the present invention is to provide a kind of transformer high-storage stability impregnating varnish.
The invention provides a kind of transformer high-storage stability impregnating varnish, comprise each component of following parts by weight: unsaturated polyester 100 parts, silicone resin 25-30 part, phenylformic acid 1-1.5 part, benzoyl peroxide 0.5-0.8 part, DMA 5-8 part, flow agent 1-1.5 part, solidifying agent 10-12 part, reactive thinner 9-11 part, it is the MALEIC ANHYDRIDE of 4:3:2:1 that unsaturated polyester comprises parts by weight ratio relation, propylene glycol, polyprotonic acid and Phthalic acid, diallyl ester.
Transformer high-storage stability impregnating varnish provided by the invention, by the special selection on raw material, flow agent, solidifying agent and reactive thinner, makes the performance of transformer high-storage stability impregnating varnish be significantly improved.Particularly, compared with conventional with conventional art transformer polyimide impregnating varnish, tool has the following advantages:
1, shorten the gel time of 60%, solidification rate obtains and effectively improves, and effectively improves baking efficiency, decreases the consumption of the energy;
2, the stability of the storage of impregnating varnish is significantly increased.
Embodiment
Embodiment 1
The transformer high-storage stability impregnating varnish that the embodiment of the present invention provides, comprise each component of following parts by weight: unsaturated polyester 100 parts, silicone resin 20 parts, 1 part, phenylformic acid, benzoyl peroxide 0.5 part, N, accelerine 5 parts, flow agent 1 part, 10 parts, solidifying agent, reactive thinner 8 parts.
Unsaturated polyester comprises MALEIC ANHYDRIDE 40 parts, propylene glycol 30 parts, and polyprotonic acid 20 parts and Phthalic acid, diallyl ester 10 parts, flow agent is PSI, and solidifying agent is Nitrogen-containing Phenolic Resins, and reactive thinner is vinylbenzene.
Preparation technology is as follows:
Step a, get the unsaturated polyester 100 parts of weight part, silicone resin 20 parts, 1 part, phenylformic acid, benzoyl peroxide 0.5 part mixes, and is then heated to 158 degrees Celsius, stirs 1-2 hour, obtains mixture 1;
Step b, the flow agent 1 part putting into weight part in mixture 1 and reactive thinner 8 parts, be then heated to 188 degrees Celsius, stirs 1-2 hour, obtain mixture 2;
Step c, the DMA 5 parts putting into weight part in mixture 2 and 10 parts, solidifying agent, stir 2-3 hour, obtains transformer high-storage stability impregnating varnish after cooling.
The gel time of impregnating varnish is the symbol to impregnating varnish reactive behavior, and generally gel time is shorter, and the reactive behavior of impregnating varnish is larger, can shorten curing cycle further, thus reduces energy consumption, reaches energy-conservation beneficial effect.But when shortening gel time, the reactive behavior of impregnating varnish can become rapidly large, and the package stability of impregnating varnish can be caused to reduce, therefore while shortening impregnating varnish set time, the stability that impregnating varnish is stored also will be guaranteed.
For further illustrating the beneficial effect that transformer high-storage stability impregnating varnish provided by the invention brings, the present inventor selects the conventional polyimide impregnating varnish of transformer in conventional art and transformer high-storage stability impregnating varnish provided by the invention to contrast.Wherein, the package stability of impregnating varnish represents by the number of Δ, and number shows that package stability is stronger more at most.
As shown in Table 1, contriver tests the gel time of transformer high-storage stability impregnating varnish provided by the invention and package stability, the result obtained is 16 hours, compared with polyimide impregnating varnish conventional in conventional art, shorten the gel time of 20%, solidification rate obtains and effectively improves, and effectively improves baking efficiency, decreases the consumption of the energy.Meanwhile, the package stability of impregnating varnish is guaranteed, and meet the requirement of storage, tool has an unexpected effect.
Table 1
| Test event | Conventional polyimide impregnating varnish | Impregnating varnish provided by the invention |
| Gel time (h) | 20h | 16h |
| Package stability | ΔΔΔ | ΔΔΔΔ |
Embodiment 2
The transformer high-storage stability impregnating varnish that the embodiment of the present invention provides, comprise each component of following parts by weight: unsaturated polyester 100 parts, silicone resin 23 parts, 1.1 parts, phenylformic acid, benzoyl peroxide 0.6 part, N, accelerine 6 parts, flow agent 1.1 parts, 11 parts, solidifying agent, reactive thinner 9 parts.
Unsaturated polyester comprises MALEIC ANHYDRIDE 40 parts, propylene glycol 30 parts, and polyprotonic acid 20 parts and Phthalic acid, diallyl ester 10 parts, flow agent is acrylic resin, solidifying agent Nitrogen-containing Phenolic Resins, and reactive thinner is dimethylbenzene.
Preparation technology is as follows:
Step a, get the unsaturated polyester 100 parts of weight part, silicone resin 23 parts, 1.1 parts, phenylformic acid, benzoyl peroxide 0.6 part mixes, and is then heated to 158 degrees Celsius, stirs 1-2 hour, obtains mixture 3;
Step b, the flow agent 1.1 parts putting into weight part in mixture 3 and reactive thinner 9 parts, be then heated to 188 degrees Celsius, stirs 1-2 hour, obtain mixture 4;
Step c, the DMA 6 parts putting into weight part in mixture 4 and 11 parts, solidifying agent, stir 2-3 hour, obtains transformer high-storage stability impregnating varnish after cooling.
As shown in Table 2, the gel time of contriver to transformer high-storage stability impregnating varnish provided by the invention is tested, the result obtained is 10 hours, compared with the polyimide impregnating varnish that transformer in conventional art is conventional, shorten the gel time of 35%, solidification rate obtains and effectively improves, and effectively improves baking efficiency, decreases the consumption of the energy.The package stability of transformer high-storage stability impregnating varnish has had raising simultaneously, and meet the requirement of storage better, tool has an unexpected effect.
Table 2
| Test event | Conventional polyimide impregnating varnish | Impregnating varnish provided by the invention |
| Gel time (h) | 20h | 13h |
| Package stability | ΔΔΔ | ΔΔΔΔΔ |
Embodiment 3
The transformer high-storage stability impregnating varnish that the embodiment of the present invention provides, comprise each component of following parts by weight: unsaturated polyester 100 parts, silicone resin 28 parts, 1.4 parts, phenylformic acid, benzoyl peroxide 0.7 part, N, accelerine 6 parts, flow agent 1.5 parts, 11 parts, solidifying agent, reactive thinner 10.5 parts.
Unsaturated polyester comprises MALEIC ANHYDRIDE 40 parts, propylene glycol 30 parts, polyprotonic acid 20 parts and Phthalic acid, diallyl ester 10 parts, flow agent is that acrylic resin and PSI mix by weight for 1:1, solidifying agent is that Nitrogen-containing Phenolic Resins and aryl oxide ester diaryl-amine mix by weight for 2:1, and reactive thinner is that vinylbenzene and phenyl glycidyl ether mix by weight for 1:3.
Preparation technology is as follows:
Step a, get the unsaturated polyester 100 parts of weight part, silicone resin 28 parts, 1.4 parts, phenylformic acid, benzoyl peroxide 0.7 part mixes, and is then heated to 158 degrees Celsius, stirs 1-2 hour, obtains mixture 5;
Step b, the flow agent 1.5 parts putting into weight part in mixture 5 and reactive thinner 10.5 parts, be then heated to 188 degrees Celsius, stirs 1-2 hour, obtain mixture 6;
Step c, the DMA 6 parts putting into weight part to mixture 6 and 11 parts, solidifying agent, stir 2-3 hour, obtains transformer high-storage stability impregnating varnish after cooling.
As shown in Table 3, the gel time of contriver to transformer high-storage stability impregnating varnish provided by the invention is tested, the result obtained is 10 hours, compared with the polyimide impregnating varnish that transformer in conventional art is conventional, shorten the gel time of 60%, solidification rate obtains and effectively improves, and effectively improves baking efficiency, decreases the consumption of the energy.Simultaneously the package stability of transformer high-storage stability impregnating varnish has had and has improved significantly, and the package stability of transformer high-storage stability impregnating varnish has significant lifting, and tool has an unexpected effect.
Table 3
| Test event | Conventional polyimide impregnating varnish | Impregnating varnish provided by the invention |
| Gel time (h) | 20h | 8h |
| Package stability | ΔΔΔ | ΔΔΔΔΔΔ |
Embodiment 4
The transformer high-storage stability impregnating varnish that the embodiment of the present invention provides, comprise each component of following parts by weight: unsaturated polyester 100 parts, silicone resin 29 parts, 1.8 parts, phenylformic acid, benzoyl peroxide 0.8 part, N, accelerine 8 parts, flow agent 1.3 parts, 13 parts, solidifying agent, reactive thinner 11 parts.
Unsaturated polyester comprises MALEIC ANHYDRIDE 40 parts, propylene glycol 30 parts, polyprotonic acid 20 parts and Phthalic acid, diallyl ester 10 parts, flow agent is that acrylic resin and polydimethylsiloxane mix by weight for 1:2, solidifying agent Nitrogen-containing Phenolic Resins, reactive thinner is phenyl glycidyl ether.
Preparation technology is as follows:
Step a, get the unsaturated polyester 100 parts of weight part, silicone resin 29 parts, 1.8 parts, phenylformic acid, benzoyl peroxide 0.8 part mixes, and is then heated to 158 degrees Celsius, stirs 1-2 hour, obtains mixture 7;
Step b, the flow agent 1.3 parts putting into weight part to mixture 7 and reactive thinner 11 parts, be then heated to 188 degrees Celsius, stirs 1-2 hour, obtain mixture 8;
Step c, put into weight part DMA 68 parts and 13 parts, solidifying agent to mixture 8, stir 2-3 hour, after cooling transformer high-storage stability impregnating varnish.
As shown in Table 4, the gel time of contriver to transformer high-storage stability impregnating varnish provided by the invention is tested, the result obtained is 10 hours, compared with the polyimide impregnating varnish that transformer in conventional art is conventional, shorten the gel time of 50%, solidification rate obtains and effectively improves, and effectively improves baking efficiency, decreases the consumption of the energy.The package stability of transformer high-storage stability impregnating varnish has had raising simultaneously, and meet the requirement of storage better, tool has an unexpected effect.
Table 4
| Test event | Conventional polyimide impregnating varnish | Impregnating varnish provided by the invention |
| Gel time (h) | 20h | 10h |
| Package stability | ΔΔΔ | ΔΔΔΔΔ |
Embodiment 5
The transformer high-storage stability impregnating varnish that the embodiment of the present invention provides, comprise each component of following parts by weight: unsaturated polyester 100 parts, silicone resin 30 parts, 2 parts, phenylformic acid, benzoyl peroxide 1 part, N, accelerine 10 parts, flow agent 1.5 parts, 15 parts, solidifying agent, reactive thinner 12 parts.
Unsaturated polyester comprises MALEIC ANHYDRIDE 40 parts, propylene glycol 30 parts, and polyprotonic acid 20 parts and Phthalic acid, diallyl ester 10 parts, flow agent is polydimethylsiloxane, solidifying agent Nitrogen-containing Phenolic Resins, and reactive thinner is phenyl glycidyl ether.
Preparation technology is as follows:
Step a, get the unsaturated polyester 100 parts of weight part, silicone resin 30 parts, 2 parts, phenylformic acid, benzoyl peroxide 1 part mixes, and is then heated to 158 degrees Celsius, stirs 1-2 hour, obtains mixture 9;
Step b, the flow agent 1.5 parts putting into weight part to mixture 9 and reactive thinner 12 parts, be then heated to 188 degrees Celsius, stirs 1-2 hour, obtain mixture 10;
Step c, the DMA 10 parts putting into weight part to mixture 10 and 15 parts, solidifying agent, stir 2-3 hour, obtains transformer high-storage stability impregnating varnish after cooling.
As shown in Table 5, the gel time of contriver to transformer high-storage stability impregnating varnish provided by the invention is tested, the result obtained is 10 hours, compared with the polyimide impregnating varnish that transformer in conventional art is conventional, shorten the gel time of 30%, solidification rate obtains and effectively improves, and effectively improves baking efficiency, decreases the consumption of the energy.The package stability of transformer high-storage stability impregnating varnish is guaranteed simultaneously, and meet the requirement of storage, tool has an unexpected effect.
Table 5
| Test event | Conventional polyimide impregnating varnish | Impregnating varnish provided by the invention |
| Gel time (h) | 20h | 14h |
| Package stability | ΔΔΔ | ΔΔΔΔ |
According to above-mentioned test value, in embodiment 3, namely adopt each component of following parts by weight: unsaturated polyester 100 parts, silicone resin 28 parts, 1.4 parts, phenylformic acid, benzoyl peroxide 0.7 part, DMA 6 parts, flow agent 1.5 parts, 11 parts, solidifying agent, reactive thinner 10.5 parts.Unsaturated polyester comprises MALEIC ANHYDRIDE 40 parts, propylene glycol 30 parts, polyprotonic acid 20 parts and Phthalic acid, diallyl ester 10 parts, flow agent is that acrylic resin and PSI mix by weight for 1:1, solidifying agent is that Nitrogen-containing Phenolic Resins and aryl oxide ester diaryl-amine mix by weight for 2:1, reactive thinner is that vinylbenzene and phenyl glycidyl ether mix by weight for 1:3, the transformer high-storage stability impregnating varnish be prepared into all reaches best at gel time and package stability, and be better than impregnating varnish prepared by the polyimide impregnating varnish that uses in conventional art and other embodiments, tool has an unexpected effect.Analyze its reason, contriver think this with choose to prepare the components such as the reactive thinner of transformer high-storage stability impregnating varnish relevant with corresponding content.
With the material of epoxy-functional in the molecular structure of reactive thinner, this material participates in curing reaction time prepared by transformer high-storage stability impregnating varnish directly, maintains the performance of cured product, can also reduce the viscosity of impregnating varnish simultaneously.The experiment a large amount of through contriver and research, reactive thinner is that vinylbenzene and phenyl glycidyl ether mix by weight for 1:3, and the reactive thinner of this compound can act synergistically, and curing reaction speed is increased, shortens set time significantly.
Flow agent adopts acrylic resin and PSI to mix by weight for 1:1, solidifying agent is that Nitrogen-containing Phenolic Resins and aryl oxide ester diaryl-amine mix by weight for 2:1, promotor is N, accelerine, these components together with other components with the use of, the performance of the transformer high-storage stability impregnating varnish finally prepared is promoted significantly.
Visible, in the present invention, the selection of component and content is all non-obvious, and the selection of these components and content, acts synergistically mutually just, the final transformer high-storage stability impregnating varnish prepared that just can make has excellent performance, meets the demand of practice; Therefore, technical scheme of the present invention is non-obvious.
Meanwhile, those skilled in the art know, and in the present invention, flow agent is acrylic resin, urea-formaldehyde resin, one or several mixing in polydimethylsiloxane and PSI; But in prior art, remaining flow agent can also be suitable for the solution of the present invention, within protection scope of the present invention.
Meanwhile, those skilled in the art know, and in the present invention, solidifying agent is Nitrogen-containing Phenolic Resins, one or several mixing in aryl oxide ester diaryl-amine; But in prior art, remaining solidifying agent can also be suitable for the solution of the present invention, within protection scope of the present invention.
Meanwhile, those skilled in the art know, and in the present invention, reactive thinner is vinylbenzene, dimethylbenzene, one or several mixing in phenyl glycidyl ether; But in prior art, remaining reactive thinner can also be suitable for the solution of the present invention, within protection scope of the present invention.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a transformer high-storage stability impregnating varnish, is characterized in that, comprises each component of following parts by weight: unsaturated polyester 100 parts, silicone resin 25-30 part, phenylformic acid 1-1.5 part, benzoyl peroxide 0.5-0.8 part, N, accelerine 5-8 part, flow agent 1-1.5 part, solidifying agent 10-12 part, reactive thinner 9-11 part, it is the MALEIC ANHYDRIDE of 4:3:2:1, propylene glycol, polyprotonic acid and Phthalic acid, diallyl ester that described unsaturated polyester comprises parts by weight ratio relation.
2. transformer high-storage stability impregnating varnish as claimed in claim 1, it is characterized in that, described flow agent is acrylic resin, urea-formaldehyde resin, one or several mixing in polydimethylsiloxane and PSI.
3. transformer high-storage stability impregnating varnish as claimed in claim 2, is characterized in that, described flow agent is that acrylic resin and PSI mix by weight for 1:1.
4. transformer high-storage stability impregnating varnish as claimed in claim 1, it is characterized in that, described solidifying agent is Nitrogen-containing Phenolic Resins, one or both mixing in aryl oxide ester diaryl-amine.
5. transformer high-storage stability impregnating varnish as claimed in claim 4, is characterized in that, described solidifying agent is that Nitrogen-containing Phenolic Resins and aryl oxide ester diaryl-amine mix by weight for 2:1.
6. transformer high-storage stability impregnating varnish as claimed in claim 1, it is characterized in that, described reactive thinner is vinylbenzene, dimethylbenzene, one or several mixing in phenyl glycidyl ether.
7. transformer high-storage stability impregnating varnish as claimed in claim 6, is characterized in that, described reactive thinner is that vinylbenzene and phenyl glycidyl ether mix by weight for 1:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510061838.6A CN104610857B (en) | 2015-02-05 | 2015-02-05 | High-storage-stability impregnating varnish for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510061838.6A CN104610857B (en) | 2015-02-05 | 2015-02-05 | High-storage-stability impregnating varnish for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104610857A true CN104610857A (en) | 2015-05-13 |
| CN104610857B CN104610857B (en) | 2017-01-11 |
Family
ID=53145514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510061838.6A Active CN104610857B (en) | 2015-02-05 | 2015-02-05 | High-storage-stability impregnating varnish for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104610857B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118395A (en) * | 2016-07-26 | 2016-11-16 | 苏州巨峰电气绝缘系统股份有限公司 | A kind of motor in electric automobile impregnating resin and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186779A (en) * | 2007-12-10 | 2008-05-28 | 华南理工大学 | Halogen-free anti-flaming transparent unsaturated polyester insulated dope and preparation method thereof |
| CN102225986A (en) * | 2011-04-21 | 2011-10-26 | 苏州巨峰电气绝缘系统股份有限公司 | Environmentally-friendly type solvent-free impregnating resin and preparation method thereof |
| CN102936449A (en) * | 2012-12-11 | 2013-02-20 | 广州贝特新材料有限公司 | Halogen-free flame retardant heat conduction insulation warmish and preparation method thereof |
| CN103159946A (en) * | 2013-03-18 | 2013-06-19 | 肇庆福田化学工业有限公司 | Silicon resin modified unsaturated polyester resin and preparation method thereof |
-
2015
- 2015-02-05 CN CN201510061838.6A patent/CN104610857B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186779A (en) * | 2007-12-10 | 2008-05-28 | 华南理工大学 | Halogen-free anti-flaming transparent unsaturated polyester insulated dope and preparation method thereof |
| CN102225986A (en) * | 2011-04-21 | 2011-10-26 | 苏州巨峰电气绝缘系统股份有限公司 | Environmentally-friendly type solvent-free impregnating resin and preparation method thereof |
| CN102936449A (en) * | 2012-12-11 | 2013-02-20 | 广州贝特新材料有限公司 | Halogen-free flame retardant heat conduction insulation warmish and preparation method thereof |
| CN103159946A (en) * | 2013-03-18 | 2013-06-19 | 肇庆福田化学工业有限公司 | Silicon resin modified unsaturated polyester resin and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118395A (en) * | 2016-07-26 | 2016-11-16 | 苏州巨峰电气绝缘系统股份有限公司 | A kind of motor in electric automobile impregnating resin and preparation method thereof |
| CN106118395B (en) * | 2016-07-26 | 2018-04-10 | 苏州巨峰电气绝缘系统股份有限公司 | A kind of motor in electric automobile impregnating resin and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104610857B (en) | 2017-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5611182B2 (en) | Dry mica tape, and electrically insulated wire ring and rotating electric machine using the same | |
| CN103113526B (en) | Solvent-less impregnating resin for high-voltage motor and curing method | |
| CN101969244B (en) | Dry mica tape | |
| CN105321705B (en) | A kind of pouring technology of dry-type transformer coil | |
| CN102533071B (en) | Insulating paint for motor elements and electronic products | |
| CN102746630B (en) | Resource-saving low-temperature rapid curing insulating impregnated resin and preparation method thereof | |
| CN103130964A (en) | Solvent-free impregnating resin for low voltage motor and medium voltage motor and solidification method | |
| CN103540238A (en) | High-varnish hanging amount solventless impregnating resin and preparation method thereof | |
| CN102321425A (en) | Formula for solvent-free impregnating varnish | |
| CN103811183B (en) | A kind of 630V range high voltage aluminum electrolysis capacitor working electrolytes and its manufacture method | |
| CN103475174B (en) | The manufacture craft of coil of stator of motor is manufactured by vacuum pressure impregnation | |
| JP2010193673A (en) | Dry mica tape, electrical insulation coil using it, stator coil, and rotary electric machine | |
| CN100453578C (en) | Solvent-free impregnating insulating paint | |
| CN104592870A (en) | Preparation process of impregnating varnish with high storage stability for transformer | |
| CN101864058B (en) | Normal temperature dipping-type epoxy anhydride heat-resistant resin as well as preparation method and application thereof | |
| CN104610857A (en) | High-storage-stability impregnating varnish for transformer | |
| CN104629594A (en) | Impregnating varnish for transformer | |
| CN203416067U (en) | Double-fed aerogenerator insulation system | |
| CN104610858A (en) | Dry-type electric transformer | |
| CN102206323A (en) | Epoxy resin modified by multifunctional heat resistant unsaturated polyester resin | |
| CN103401335A (en) | Doubly-fed wind-driven generator insulation system and manufacturing method thereof | |
| CN112480832B (en) | Preparation method of high-voltage-resistance insulating polyester composite film | |
| DE102008037468A1 (en) | impregnating | |
| CN104995822A (en) | Stator coil for rotating electric machine, method for manufacturing said stator coil, and rotating electrical machine | |
| CN202473323U (en) | Water resistant high frequency resistant film sintering copper flat wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |