CN102093809A - Photosensitive dipping resin - Google Patents
Photosensitive dipping resin Download PDFInfo
- Publication number
- CN102093809A CN102093809A CN2010105924506A CN201010592450A CN102093809A CN 102093809 A CN102093809 A CN 102093809A CN 2010105924506 A CN2010105924506 A CN 2010105924506A CN 201010592450 A CN201010592450 A CN 201010592450A CN 102093809 A CN102093809 A CN 102093809A
- Authority
- CN
- China
- Prior art keywords
- resin
- photosensitive
- impregnating resin
- resin according
- phenyl
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Macromonomer-Based Addition Polymer (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention provides a photosensitive dipping resin which is characterized by comprising the following raw materials by weight percent: 40-90% of unsaturated resin, 3-50% of diluent containing vinyl, allyl or composition of vinyl and allyl, 0.1-10% of hexaarylbiimidazole derivative, 0.1-10% of at least one free radical thermal initiator, 0.01-10% of hydrogen donor, 0-5% of photosensitizer and 0.01-15% of auxiliary. The resin is suitable for dipping and insulation of coils in small and medium sized motors, transformers and the like, and is also suitable for winding assemblies with metal foil sheets. Because an efficient photoinitiator system is adopted, photocuring speed is fast, and a paint film can be quickly formed on the surface of a dipping piece, thereby avoiding drain of the resin and preventing the diluent from volatilizing to pollute air, shortening curing time and improving work efficiency, and the photosensitive dipping resin is energy-saving and environment-friendly.
Description
Technical field
The invention belongs to the new insulation material field, relate to a kind of solvent impregnated resin, relate in particular to the photosensitive insulated impregnating resin of a kind of free radical type.
Background technology
Insulated impregnating resin also claims insulating impregnating varnish, is the critical material of making electric installation, obtains widespread use in electrical production, transmission, use field.Insullac belongs to polymeric material field, and broad varietys such as vibrin, Resins, epoxy, silicone resin, polyimide are arranged.According to whether containing solvent in the lacquer, insullac can be divided into non-solvent paint and solvent-free paint; In the non-solvent paint, can also be divided into hot curing varnish, radiation curing lacquer and the mixing cured lacquer of photo-thermal according to curing mode.
Along with economy constantly develops; environmental protection requirement improves constantly, and energy prices continue to raise, and energy-conserving and environment-protective are rooted in the hearts of the people day by day; solvent impregnated lacquer is arranged in curing; discharge a large amount of organic solvents, both formed atmospheric pollution, increase cost again; solvent-free impregnating resin is in solidification process; though there is not solvent evaporates, also there is relatively large small molecules thinner to evaporate in the air, and a large amount of energy of consumption that are heating and curing.Solvent-free solvent impregnated resin is if adopt light initiation system to realize normal temperature or cryogenic solidification process (cold-curing), to significantly reduce the wherein volatilization of reactive thinner, the particularly volatilization of thinner in the impregnating varnish of workpiece surface, the cold-curing process also just reduces the loss of impregnating varnish simultaneously, improve and hang the lacquer amount, effectively improve the insulating fullness ratio, the rapidity of photocuring process, to effectively shorten curing cycle, improve insulation quality.Use difficult evaporable reactive thinner to obtain the photosensitive solvent impregnated resin of low volatilization easily.Insulated impregnating resin adopts the photocuring mode to have the discharging of effective reduction volatile organic matter (VOC) than common thermofixation mode, more energy-conservation and improve operating environment, being the energy-conserving and environment-protective new technology in insulating material field, is to meet the low-carbon economy new technology of advocating energetically at present.
Because the restriction of impregnation technology; photosensitive insulated impregnating resin adopts the mixing cured technology of photo-thermal usually; adopt light trigger and thermal initiator mixed system, its light trigger is ordinary light initiators such as benzophenone, thioxanthone, acylphosphine oxide, and velocity of initiation is slower.Light initiation system usefulness is high more, and curing speed is fast more, and set time is short, helps energy-conserving and environment-protective.
Summary of the invention
The purpose of this invention is to provide a kind of photosensitive insulated impregnating resin, shorten the resin solidification time, avoid the resin flow thinner volatilization polluted air of becoming estranged.
A kind of photosensitive insulated impregnating resin of the present invention, percentage ratio comprises: the 40-90% unsaturated polyester by weight; The 3-50% reactive thinner; At least a free radical thermal initiator of 0.1-10%; 0.1-10% hexa-aryl bi-imidazole derivative; The 0.01-10% hydrogen donor; 0-5% photosensitizers and 0.01-15% auxiliary agent.
The unsaturated polyester that photosensitive insulated impregnating resin is contained, for a kind of Vinylite or be the composition of a kind of Vinylite and one or more unsaturated polyester resins or unsaturated polyester imide resin, preferred 40-90wt%.Unsaturated polyester resin adopts the carboxylate of polyvalent alcohol or polyvalent alcohol and polyprotonic acid or acid anhydrides to synthesize, and wherein polyprotonic acid or acid anhydrides comprise at least a unsaturated polyprotonic acid or unsaturated acid anhydride, as the 6120W of the full chemistry of English.The unsaturated polyester imide resin adopts polyvalent alcohol, polyprotonic acid, acid anhydrides, polyamine to synthesize usually.Polyprotonic acid comprises saturated polybasic acid and unsaturated polyprotonic acid, and acid anhydrides comprises saturated acid anhydrides and unsaturated acid anhydride, as the DC-32-1 of Rota-ropa.Vinylite is other unsaturated polyesters of epoxy vinyl resin or ethenyl blocking, as the EPE-19 of Rota-ropa, and the MOMENTUM 470-300 of FGI etc.
Reactive thinner, preferred 3-50wt%.Reactive thinner is that the thinner that contains unsaturated double-bond is the thinner that contains vinyl, allyl group or its combination.The thinner that contains vinyl, as: vinylbenzene, vinyl toluene, Vinyl toluene, t-butyl styrene, Vinylstyrene, vinyl pyrrolidone, two butanols vinyl ether, fumaric acid diallyl ether, the dihydroxyphenyl propane diallyl, hexylene glycol two (methyl) acrylate, butyleneglycol two (methyl) acrylate, TriMethylolPropane(TMP) (methyl) acrylate, neopentyl glycol two (methyl) acrylate, diallyl isophthalate, phenyl ether dioctyl phthalate diallyl, triallyl cyanurate, Phthalic acid, diallyl ester, the methacrylic ester of ethylene oxide adduct.These monomers can use separately, can also use by intermingling.
The present invention, the thinner that contains vinyl is preferably vinylbenzene and vinyl toluene.(methyl) acrylate that contains the preferred hexylene glycol two of allylic thinner (methyl) acrylate, butyleneglycol two (methyl) acrylate, TriMethylolPropane(TMP) (methyl) acrylate and ethylene oxide adduct.
The free radical thermal initiator is preferably 0.1-10wt%.The free radical thermal initiator is the compound or the peroxide initiator of C-C bond activation.Peroxide initiator is as hydroperoxide kind, dialkyl class and peroxidation two acyl class initiators, preferred dicumyl peroxide, cyclohexanone peroxide and dibenzoyl peroxide.
The photosensitive insulated impregnating resin of the present invention contains at least a hexa-aryl bi-imidazole derivative, is preferably 0.1-10wt%.Hexa-aryl bi-imidazole plays the light trigger effect in the present invention, and its derivative is a lot, as long as good stability, the initiating activity height can use.The present invention preferably contains the hexa-aryl bi-imidazole derivative of halogen, preferred especially 2,2 '-two (2-chloro-phenyl-)-4,4 ', 5,5 '-tetraphenyl diimidazole (BCIM), 2,2 '-two (2-chloro-phenyl-)-4,4 ', 5,5 '-four (3-p-methoxy-phenyl) diimidazole, 2,2 ', 4,4 '-four (2-chloro-phenyl-s)-5,5 '-two (3, the 4-Dimethoxyphenyl) diimidazole (TCTM), 2,2 ', 5-three (2-chloro-phenyl-)-4-(3, the 4-Dimethoxyphenyl)-4 ', 5 '-phenylbenzene diimidazole (TCDM) one or more.
Hydrogen donor is a coinitiator, forms the coinitiator system with hexa-aryl bi-imidazole, preferred 0.01-10wt%.Produce imidazole radical after the hexa-aryl bi-imidazole absorb light, imidazole radical is captured the hydrogen of hydrogen donor, generates the coinitiator free radical, the polymerization of re-initiation unsaturated double-bond.Thio-alcohol, tertiary amine compounds can be used as hydrogen donor, preferred 2-mercaptobenzoxazole.
When adopting the more weak hexa-aryl bi-imidazole of uv-absorbing ability, need to add the 0-5wt% photosensitizers, as: michaelis ketone, coumarin ketone, carbonyl cyanine dye, hydroxyl phthalein dyestuff, acridine dye and aminophenyl ketone etc., preferred tetrem aminobenzophenone.
Auxiliary agent is filler, softening agent, promotor etc., as: carbon fiber, glass fibre, polymeric amide, polyester etc.; Their add-on need be decided on purposes.The preferred 0.01-15wt% of the present invention, preferred especially 0.1-10wt%.
For prevent that solvent impregnated resin from unnecessary polymerization taking place, and can add an amount of stopper to avoid the influence to viscosity in poke and transportation.The stopper kind is a lot, as: p methoxy phenol, quinhydrones, fat and fragrant replacement quinhydrones, quinone, tert-butyl catechol, pyrogallol, copper resinate, naphthylamines, 2-Naphthol, 2,6 ditertiary butyl p cresol, thiodiphenylamine, pyridine, oil of mirbane, dinitrobenzene, 2-methylbenzoquinone, tetrachlorobenzoquinone, thiazine dyes and phenidone.Stopper can be used alone, but also also mix together.
The photosensitive insulated impregnating resin of the present invention is suitable for adopting dipping, vacuum (pressure) dipping and drips and dipping method such as soaks.
Dipping refers to flood part and is immersed in certain hour in the solvent impregnated resin, perhaps allows the dipping part continue to pass through solvent impregnated resin.
Vacuum and vacuum pressure impregnation: will be placed with the evacuating atmosphere in vacuum vessel of dipping part, and from deposit container, be incorporated in the steeper from the solvent impregnated resin storage then, and also can solvent impregnated resin be injected steeper by pressurization.
Drip and to soak finger and solvent impregnated resin is applied on the dipping part by nozzle.
The photosensitive insulated impregnating resin of the present invention adopts photocuring or photocuring and thermofixation combination, and thermofixation can be adopted energising heating, process furnace, infrared radiation mode, and heating can preheating before dipping, also can heat in the steeping process.
Good in order to ensure infiltration, can preheating dipping part.Heat in steeping process, heating up and solidify in the dipping back, carries out uv radiation curing simultaneously.Ultraviolet source can adopt high voltage mercury lamp, xenon lamp, metal halid lamp etc.
The current-carrying part of dipping part can be by thermofixation.
Dipping part surface portion is not easy by thermofixation, needs to adopt uv radiation curing, and radiated time is at 5s-10min, preferred 1-10min.Like this, also not by the solvent impregnated resin of thermofixation by radiation crosslinking.Under some situation, dipping part surface is not subjected to enough heat cross-linkings, can be by the radiation after fixing.
The beneficial effect that technical solution of the present invention realizes:
The invention discloses a kind of photosensitive insulated impregnating resin, be suitable for rotor, stator, transformer etc., also be suitable for having simultaneously the winding spare of tinsel.Because adopt the efficiency light initiator system, laser curing velocity is fast, can form paint film on dipping part surface rapidly, avoid the resin flow thinner volatilization polluted air of becoming estranged, both set time be can shorten and work, energy-conserving and environment-protective again raised the efficiency.
Embodiment
Below describe technical scheme of the present invention in detail.
Embodiment 1
By weight, solvent impregnated resin is composed as follows:
Lumicure 223-6035 (unsaturated polyester, HEXION) 25 parts
MOMENTUM 470-300 (Vinylite, FGI) 50 parts
15 parts of vinylbenzene
2.0 parts of dicumyl peroxides
3.0 parts of BCIM
1.0 parts of 2-mercaptobenzoxazoles
2.0 parts of tetrem aminobenzophenones
0.02 part of Resorcinol
The viscosity of constituent under 23 ℃ is 482mPa.s, and viscosity kept stable after normal temperature down stored 6 months, high voltage mercury lamp ultraviolet lighting 2min, but 160 ℃ of completely solidified in the heating 30 minutes down.Motor coil energising is heated to 90 ℃, drips and soak solvent impregnated resin (1), energising quickly heats up to 160 and keeps 10min, and behind the UV rayed 3min, the insulation resistance under the solvent impregnated resin integrally curing, 155 ℃ of coils reaches more than the 50M Ω.
Embodiment 2
By weight, solvent impregnated resin is composed as follows:
20 parts of Lumicure 223-6035
EPE-19 (Vinylite, Rota-ropa) 55 parts
15 parts of vinyl toluenes
2.0 parts of dicumyl peroxides
3.0 parts of TCTM
1.0 parts of 2-mercaptobenzoxazoles
0.02 part of Resorcinol
The viscosity of constituent under 23 ℃ is 558mPa.s, and viscosity kept stable after normal temperature down stored 6 months, high voltage mercury lamp ultraviolet lighting 2min, but 160 ℃ of completely solidified in the heating 30 minutes down, and its performance index see Table 1.Motor coil energising is heated to 70 ℃, rolls and soak solvent impregnated resin (2), energising quickly heats up to 160 and keeps 10min, and behind the UV rayed 3min, the insulation resistance under the solvent impregnated resin integrally curing, 155 ℃ of coils reaches more than the 50M Ω.
Embodiment 3
By weight, solvent impregnated resin is composed as follows:
DC-32-1 (unsaturated polyester-imide, Rota-ropa) 36 parts
35 parts of EPE-19
10 parts of TriMethylolPropane(TMP) (methyl) acrylate
15 parts of butyleneglycol two (methyl) acrylate
2.0 parts of dicumyl peroxides
3.0 parts of TCDM
1.0 parts of 2-mercaptobenzoxazoles
0.02 part of Resorcinol
The viscosity of constituent under 23 ℃ is 750mPa.s, and viscosity kept stable after normal temperature down stored 6 months, high voltage mercury lamp ultraviolet lighting 2min, but 160 ℃ of completely solidified in the heating 30 minutes down, and its performance index see Table 1.Motor coil energising is heated to 70 ℃, rolls and soak solvent impregnated resin (2), energising quickly heats up to 160 and keeps 10min, and behind the UV rayed 3min, the insulation resistance under the solvent impregnated resin integrally curing, 155 ℃ of coils reaches more than the 50M Ω.
Embodiment 4
By weight, solvent impregnated resin is composed as follows:
72 parts of EPE-19
16 parts of vinyl toluenes
2.0 parts of dicumyl peroxides
3.0 parts of TCDM
1.0 parts of 2-mercaptobenzoxazoles
0.02 part of Resorcinol
The viscosity of constituent under 23 ℃ is 349mPa.s, and viscosity kept stable after normal temperature down stored 6 months, high voltage mercury lamp ultraviolet lighting 2min, but 160 ℃ of completely solidified in the heating 30 minutes down, and its performance index see Table 1.Motor coil energising is heated to 70 ℃, rolls and soak solvent impregnated resin (2), energising quickly heats up to 160 and keeps 10min, and behind the UV rayed 3min, the insulation resistance under the solvent impregnated resin integrally curing, 155 ℃ of coils reaches more than the 50M Ω.
Embodiment 5
By weight, solvent impregnated resin is composed as follows:
DC-32-1 (unsaturated polyester-imide, Rota-ropa) 36 parts
35 parts of EPE-19
10 parts of TriMethylolPropane(TMP) (methyl) acrylate
15 parts of butyleneglycol two (methyl) acrylate
2.0 parts of dicumyl peroxides
3.0 parts of TCDM
1.0 parts of 2-mercaptobenzoxazoles
0.02 part of Resorcinol
The viscosity of constituent under 23 ℃ is 390mPa.s, and viscosity kept stable after normal temperature down stored 6 months, high voltage mercury lamp ultraviolet lighting 2min, but 160 ℃ of completely solidified in the heating 30 minutes down, and its performance index see Table 1.Motor coil energising is heated to 70 ℃, rolls and soak solvent impregnated resin (2), energising quickly heats up to 160 and keeps 10min, and behind the UV rayed 3min, the insulation resistance under the solvent impregnated resin integrally curing, 155 ℃ of coils reaches more than the 50M Ω.
Embodiment 6
By weight, solvent impregnated resin is composed as follows:
DC-32-1 (unsaturated polyester-imide, Rota-ropa) 36 parts
35 parts of EPE-19
16 parts of vinyl toluenes
2.0 parts of dicumyl peroxides
3.0 parts of TCDM
1.0 parts of 2-mercaptobenzoxazoles
0.02 part of Resorcinol
The viscosity of constituent under 23 ℃ is 390mPa.s, stable viscosity after normal temperature stores 6 months down, and high voltage mercury lamp ultraviolet lighting 5min, 160 ℃ are heated just curing in 30 minutes down, and its performance index see Table 1.The UV-light time shortens to 2 minutes then solidifies not exclusively, and Surface Insulation is clamminess.
The basic mechanical design feature index of table 1 constituent
Claims (9)
1. photosensitive insulated impregnating resin, percentage ratio is characterized in that comprising: the 40-90% unsaturated polyester by weight; 3-50% contains reactive thinner; 0.1-10% hexa-aryl bi-imidazole derivative; At least a free radical thermal initiator of 0.1-10%; The 0.01-10% hydrogen donor; 0-5% photosensitizers and 0.01-15% auxiliary agent.
2. photosensitive insulated impregnating resin according to claim 1 is characterized in that described unsaturated polyester is a kind of Vinylite or is the composition of a kind of Vinylite and one or more unsaturated polyester resins or unsaturated polyester imide resin.
3. photosensitive insulated impregnating resin according to claim 1, it is characterized in that described reactive thinner refers to contain the low-viscosity (mobile) liquid organic compound of reactive carbon-to-carbon double bond, is selected from vinylbenzene, vinyl toluene, Vinyl toluene, t-butyl styrene, Vinylstyrene, vinyl pyrrolidone, two butanols vinyl ether, fumaric acid diallyl ether, the dihydroxyphenyl propane diallyl, hexylene glycol two (methyl) acrylate, butyleneglycol two (methyl) acrylate, TriMethylolPropane(TMP) (methyl) acrylate, neopentyl glycol two (methyl) acrylate, diallyl isophthalate, phenyl ether dioctyl phthalate diallyl, triallyl cyanurate, the mixture of one or more of the methacrylic ester of Phthalic acid, diallyl ester and ethylene oxide adduct.
4. photosensitive insulated impregnating resin according to claim 1 is characterized in that described hexa-aryl bi-imidazole derivative is the hexa-aryl bi-imidazole derivative that contains halogen.
5. photosensitive insulated impregnating resin according to claim 1, it is characterized in that described hexa-aryl bi-imidazole derivative is 2,2 '-two (2-chloro-phenyl-)-4,4 ', 5,5 '-tetraphenyl diimidazole, 2,2 '-two (2-chloro-phenyl-)-4,4 ', 5,5 '-four (3-p-methoxy-phenyl) diimidazole, 2,2 ', 4,4 '-four (2-chloro-phenyl-s)-5,5 '-two (3, the 4-Dimethoxyphenyl) diimidazole, 2,2 ', 5-three (2-chloro-phenyl-)-4-(3, the 4-Dimethoxyphenyl)-4 ', one or more of 5 '-phenylbenzene diimidazole.
6. photosensitive insulated impregnating resin according to claim 1 is characterized in that compound or peroxide initiator that described free radical thermal initiator is the C-C bond activation.
7. photosensitive insulated impregnating resin according to claim 5 is characterized in that described peroxide initiator is dicumyl peroxide, ditertiary butyl peroxide, cyclohexanone peroxide, the benzoyl peroxide tert-butyl ester, dibenzoyl peroxide.
8. photosensitive insulated impregnating resin according to claim 1 is characterized in that described hydrogen donor is thio-alcohol and tertiary amine compounds.
9. photosensitive insulated impregnating resin according to claim 1 is characterized in that described photosensitizers is one or more of michaelis ketone, coumarin ketone, carbonyl cyanine dye, hydroxyl phthalein dyestuff, acridine dye and aminophenyl ketone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105924506A CN102093809B (en) | 2010-12-09 | 2010-12-09 | Photosensitive dipping resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105924506A CN102093809B (en) | 2010-12-09 | 2010-12-09 | Photosensitive dipping resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102093809A true CN102093809A (en) | 2011-06-15 |
| CN102093809B CN102093809B (en) | 2013-11-13 |
Family
ID=44127080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105924506A Active CN102093809B (en) | 2010-12-09 | 2010-12-09 | Photosensitive dipping resin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102093809B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875946A (en) * | 2012-09-18 | 2013-01-16 | 合肥工业大学 | Heat resistant and heat conductive impregnating insulating resin and preparation method thereof |
| CN103360713A (en) * | 2012-04-06 | 2013-10-23 | 比亚迪股份有限公司 | Fiber prepreg and preparation method thereof |
| CN103834275A (en) * | 2014-03-04 | 2014-06-04 | 芜湖市艾德森自动化设备有限公司 | Ultraviolet curing coating added with nano bamboo-carbon powder and preparation method of coating |
| CN104766694A (en) * | 2014-01-07 | 2015-07-08 | 三星电机株式会社 | Coil component and board for mounting same |
| CN109370391A (en) * | 2018-09-04 | 2019-02-22 | 上海电动工具研究所（集团）有限公司 | A kind of rotor photo-thermal dual curable trickle resin and its preparation method and application |
| CN109415455A (en) * | 2016-07-08 | 2019-03-01 | 株式会社日本触媒 | N- vinyl lactam system cross-linked polymer, cosmetic preparation, ink absorbent and absorbing complex |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409172A (en) * | 2001-09-21 | 2003-04-09 | 田村化研株式会社 | Photosensitive resin composition and printing circuit board |
| CN101016419A (en) * | 2006-02-07 | 2007-08-15 | 赵敏海 | Method of preparing continuous insulation dip molding material |
| CN101029200A (en) * | 2007-04-09 | 2007-09-05 | 周树东 | Low-viscosity environmental-protecting impregnating varnish with solvent and its production |
| CN101302257A (en) * | 2008-06-03 | 2008-11-12 | 江南大学 | Ultraviolet photosensitive composite initiation system and use thereof |
-
2010
- 2010-12-09 CN CN2010105924506A patent/CN102093809B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409172A (en) * | 2001-09-21 | 2003-04-09 | 田村化研株式会社 | Photosensitive resin composition and printing circuit board |
| CN101016419A (en) * | 2006-02-07 | 2007-08-15 | 赵敏海 | Method of preparing continuous insulation dip molding material |
| CN101029200A (en) * | 2007-04-09 | 2007-09-05 | 周树东 | Low-viscosity environmental-protecting impregnating varnish with solvent and its production |
| CN101302257A (en) * | 2008-06-03 | 2008-11-12 | 江南大学 | Ultraviolet photosensitive composite initiation system and use thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360713A (en) * | 2012-04-06 | 2013-10-23 | 比亚迪股份有限公司 | Fiber prepreg and preparation method thereof |
| CN103360713B (en) * | 2012-04-06 | 2016-03-09 | 比亚迪股份有限公司 | A kind of Fiber prepreg and preparation method thereof |
| CN102875946A (en) * | 2012-09-18 | 2013-01-16 | 合肥工业大学 | Heat resistant and heat conductive impregnating insulating resin and preparation method thereof |
| CN104766694A (en) * | 2014-01-07 | 2015-07-08 | 三星电机株式会社 | Coil component and board for mounting same |
| CN104766694B (en) * | 2014-01-07 | 2018-07-27 | 三星电机株式会社 | Coil block and the plate for being equipped with coil block thereon |
| CN103834275A (en) * | 2014-03-04 | 2014-06-04 | 芜湖市艾德森自动化设备有限公司 | Ultraviolet curing coating added with nano bamboo-carbon powder and preparation method of coating |
| CN109415455A (en) * | 2016-07-08 | 2019-03-01 | 株式会社日本触媒 | N- vinyl lactam system cross-linked polymer, cosmetic preparation, ink absorbent and absorbing complex |
| CN109415455B (en) * | 2016-07-08 | 2020-12-01 | 株式会社日本触媒 | N-vinyllactam crosslinked polymer, cosmetic, ink absorbent, and absorbent composite |
| US11173472B2 (en) | 2016-07-08 | 2021-11-16 | Nippon Shokubai Co., Ltd. | N-vinyl lactam-based crosslinked polymer, cosmetic, absorbent agent for ink, and absorbent composite |
| US11786763B2 (en) | 2016-07-08 | 2023-10-17 | Nippon Shokubai Co., Ltd. | N-vinyl lactam-based crosslinked polymer, cosmetic, absorbent agent for ink, and absorbent composite |
| CN109370391A (en) * | 2018-09-04 | 2019-02-22 | 上海电动工具研究所（集团）有限公司 | A kind of rotor photo-thermal dual curable trickle resin and its preparation method and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102093809B (en) | 2013-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102093809B (en) | Photosensitive dipping resin | |
| CN102964534A (en) | Solvent-free resin composition for vacuum impregnation | |
| EP2222779B1 (en) | Composition for fixing wound items | |
| PL179473B1 (en) | Method of fixing wound products and radical polymerizing compositions therefor | |
| CN103614053A (en) | Dipping insulating paint and preparation method therefor | |
| US3924022A (en) | Method of applying an organic coating onto an inorganic coated steel sheet for a magnetic laminate application | |
| JPS6033142B2 (en) | Liquid unsaturated polyester resin composition for insulation | |
| CN105505147A (en) | Environmental-friendly high-hardness photo-heat curing dual-purpose resin coating and preparation method thereof | |
| CN110892019B (en) | Unsaturated polyester resin composition and electrical device using same | |
| MXPA06014368A (en) | Impregnating resin formulation. | |
| JP4160041B2 (en) | Insulating varnish impregnation method | |
| JPH05501734A (en) | Method and device for fixing coiled material and use of radically polymerizable materials therefor | |
| CN108300391A (en) | A kind of double-component cold curing transparent epoxy glue of color inhibition and preparation method thereof | |
| KR100763777B1 (en) | Varnish composition for insulation and method of coating using the same | |
| JP2014080450A (en) | Resin composition for electric insulation | |
| EP2702083B1 (en) | Resin compositions comprising modified epoxy resins with sorbic acid | |
| US2846410A (en) | Thermo-setting compositions of styrene and cinnamic acid ester of epoxide resin | |
| CN110885543B (en) | Organic silicon modified unsaturated resin insulation impregnating resin and preparation method thereof | |
| CN103725161A (en) | Coolant-resistant water-soluble epoxy insulation impregnating resin, and preparation method and application thereof | |
| TWI544028B (en) | Impregnating resin formulation for electrical windings | |
| CN102086318A (en) | Special impregnating resin for surface dip-coating of silicon steel sheet with low polarity and preparation method thereof | |
| CN108795044B (en) | C-grade VPI impregnating resin for electric locomotive and preparation method thereof | |
| CN114907553A (en) | Low VOC, high permeability unsaturated impregnating insulating resin | |
| CA2282412A1 (en) | Process for coating mouldings with polyester resin compounds or solutions | |
| CN112251116A (en) | Formula of ultraviolet-curing leakage blocking protective coating and preparation method of application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: JIAXING RONGTAI LEIPASI INSULATION MATERIAL CO., L |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 314001 JIAXING, ZHEJIANG PROVINCE TO: 314000 JIAXING, ZHEJIANG PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20111111 Address after: 314000, Feng Fei Road 1, Phoenix Town, Nanhu District, Zhejiang City, Jiaxing Province Applicant after: Zhejiang Rongtai Technology Enterprise Co., Ltd. Co-applicant after: Jiaxing Rongtai Leipasi Insulation Materials Co., Ltd. Address before: 314001, Feng Fei Road 1, Phoenix Town, Nanhu District, Zhejiang City, Jiaxing Province Applicant before: Zhejiang Rongtai Technology Enterprise Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |