CN103145924A - Insulating impregnating resin for drawing groove wedge and its curing method - Google Patents
Insulating impregnating resin for drawing groove wedge and its curing method Download PDFInfo
- Publication number
- CN103145924A CN103145924A CN2013100469607A CN201310046960A CN103145924A CN 103145924 A CN103145924 A CN 103145924A CN 2013100469607 A CN2013100469607 A CN 2013100469607A CN 201310046960 A CN201310046960 A CN 201310046960A CN 103145924 A CN103145924 A CN 103145924A
- Authority
- CN
- China
- Prior art keywords
- drawing groove
- impregnating resin
- groove wedge
- resin
- wedge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention discloses an insulating impregnating resin for a drawing groove wedge. The insulating impregnating resin comprises the following components by weight: 100 parts of benzoxazine-imide resin, 30-45 parts of epoxy resin, 5-15 parts of an active diluent, 0.5-1 part of an initiator, 0.8-45 parts of a curing agent, and 0.1-1 part of a curing accelerator. The insulating impregnating resin for a drawing groove wedge provided in the invention has a high heat-resistant grade, good insulation property. And all mechanical strength is high, especially the thermal mechanical strength. The resin also has certain flame retardant effect and excellent comprehensive properties, thus being expected to be widely applied in drawing groove wedge products and other fields. And the insulating impregnating resin for a drawing groove wedge involved in the invention can be used through simple blending. The preparation method is simple, and the use cost is low.
Description
Technical field
The present invention relates to the insullac field, specifically relate to a kind of drawing groove wedge with insulated impregnating resin and curing.
Background technology
slot wedge is indispensable parts in engine, for example, application number is that the patent documentation of CN200720117687.2 discloses a kind of slot wedge structure of making of magneticsubstance, by slot wedge, bottom land wedge two portions form, slot wedge is placed in groove, and covering groove total length, the slot wedge top is placed in notch, the slot wedge top width is less than width of rebate, make between slot wedge top and notch and form the gap, slot wedge top cambered surface is fit to iron core tooth top cambered surface, the slot wedge lower end is stuck in groove and connects cell wall, the slot wedge bottom is convex, the slot wedge bottom is middle higher than both sides, slot wedge bottom coil pressing, the bottom land wedge is placed in bottom land and runs through flute length, the bottom of bottom land wedge is near bottom land, flat shape or convex are adopted in bottom land wedge top, be pressed on the loose coil in bottom.
Tradition drawing groove wedge product is generally take epoxy resin or unsaturated polyester as solvent impregnated resin, produce take alkali free glass fibre as supporting material, the insulating material temperature classification of preparation mostly is the F level like this, be up to the H level, but the bad mechanical strength such as its stretching, bending, compression, particularly more obvious under hot conditions, be difficult to reach more than 50% of normality.Along with the temperature classification of the equipment such as motor, electrical equipment, transformer is constantly upgraded, slot wedge goods physical strength is at high temperature also had higher requirement, as H level large and middle size motor and dry type transformer, the hot mechanical property of this class formation material is had higher requirement.
Present existing slot wedge goods can not satisfy the demand of electrical equipment far away.Therefore, in order to satisfy the demand of practical application, cost is low, temperature classification is high, the slot wedge goods processing technology continual exploitation of every mechanical property excellence.
Summary of the invention
The invention provides a kind of drawing groove wedge insulated impregnating resin, this solvent impregnated resin temperature classification is 200 grades, every physical strength is high, especially heat-state mechanical strength, can remain on more than 60% of normality, but also have certain flame retardant effect, and its excellent combination property, be expected to be used widely in fields such as drawing groove wedge goods.
A kind of drawing groove wedge insulated impregnating resin, its weight part consists of:
Described benzoxazine imide resin is the benzo 6-membered heterocyclic compound synthetic take phenolic compound, aminated compounds and formaldehyde as raw material-benzoxazine resin (formula I), the benzoxazine imide resin (III) that benzoxazine resin and bismaleimides (formula II) reaction makes.
() benzoxazine colophony I
(II) bismaleimides
() benzoxazine imide resin III
R wherein
1, R
2Be independently H, alkyl, aryl amine or aryl separately, for example alkyl can be selected CH
3CH
2-wait, aryl can select C
6H
5-, C
6H
4CH
3-etc.R is
Deng.
Described reactive thinner is preferably one or more mixtures in vinylbenzene, vinyl toluene, diallyphthalate acid esters, PDDA, pentaerythritol triacrylate.
Described initiator is one or both in benzoyl peroxide, dicumyl peroxide.
Described solidifying agent is one or more of acid anhydride type curing agent, boron amide class solidifying agent, imidazole curing agent.Solidifying agent methyl tetrahydro phthalic anhydride, methyl hexahydrophthalic anhydride, phenylimidazole or 594 solidifying agent of for example commonly using (2-three dislikes assorted eight rings of boron for β, β '-dimethylamino oxyethyl group-1,3,6).
Described curing catalyst is metal salt of organic carboxylic acid, acetyl acetone salt, (formula IV) is Ji the mixture of one or more of Qi phosphonium salt (formula V) for triphenylphosphine.For example, preferred fixed line promotor be in aluminium acetylacetonate, acetylacetone cobalt one or more etc. mixture.
Above-mentioned drawing groove wedge with the preparation method of insulated impregnating resin is: by formula, each component is mixed and namely obtain described drawing groove wedge insulated impregnating resin.
The present invention also provides the curing of a kind of above-mentioned drawing groove wedge with insulated impregnating resin, when using this drawing groove wedge insulated impregnating resin, can select the technique of impregnated glass according to concrete needs, and impregnation technology is general knowledge known in this field.It is to be noted, preferred condition of cure is: adopt in curing schedule mold heated to 155～180 ℃, by controlling pulling speed, controlling glass yarn and the time of resin in mould is 30～50 seconds, through the curing schedule under high temperature, insulating resin generates polyester material, the resin that is solidified togather with glass yarn, have fixing shape, size, and have simultaneously excellent physical strength etc.
Compared with prior art, beneficial effect of the present invention is embodied in:
Drawing groove wedge insulated impregnating resin of the present invention, temperature classification is high, good insulation preformance, and every physical strength is all higher, heat-state mechanical strength especially, but also have certain flame retardant effect, excellent combination property is expected to be used widely in fields such as drawing groove wedge goods; And drawing groove wedge of the present invention can use by simple mixing with insulated impregnating resin, and the preparation method is simple, and use cost is low.
Embodiment
The present invention will be described in detail below in conjunction with specific embodiment.
Below in each embodiment, novolac epoxy has all been selected the F51 on market, F44 novolac epoxy; The preparation method of benzoxazine imide resin is (" part " of relating in the preparation method is weight part):
(1) will use salt acid for adjusting pH value to 2 after 37 parts of phenol and 35 parts of mixing of formaldehyde, temperature rising reflux 2h, regulate pH to 8-9 with sodium hydroxide again, add again 11 parts, 50 parts of toluene and formaldehyde, drop into 4 in batches, 17 parts of insulation back flow reaction of 4-diaminodiphenylmethane are (the terminal point determining condition is: molding time is 4-5min/170 ℃, the little skill in using a kitchen knife in cookery) to terminal, and vacuum makes benzoxazine colophony after taking out desolventizing.
(2) adding 25 parts of dimethyl formamides in reactor in addition, be warmed up to 100-110 ℃ and add 4,15 parts of 10 parts of 4-diaminodiphenylmethane and bismaleimidess, stirring and dissolving, and (the terminal point determining condition is: molding time is 2.5-3.5min/180 ℃ to terminal at 100-110 ℃ of insulation reaction 1-2h, the little skill in using a kitchen knife in cookery), add 50 parts of benzoxazine colophonies, continuation reacts to terminal under 100-110 ℃ that (the terminal point determining condition is: molding time is 1.5-2.0min/180 ℃, the little skill in using a kitchen knife in cookery) add 20 parts of thinner toluene, namely make the benzoxazine imide resin.
Wherein:
The structure of bismaleimides used in the present invention is as follows:
Embodiment 1
According to the drawing groove wedge of the present embodiment with the formula of insulated impregnating resin be:
Benzoxazine imide resin 100g, F51 novolac epoxy 45g, initiator benzoyl peroxide (BPO) 0.8g, reactive thinner are that vinylbenzene 10g, solidifying agent are that 594 epoxy hardener 0.8g, promotor are aluminium acetylacetonate 0.5g.
After above-mentioned each component is mixed by formula, namely make high temperature resistant drawing groove wedge insulating resin.When this insulating resin uses, adopt mold heated to 180 ℃ at curing schedule, controlling the time of resin in mould is 30 seconds, and the curing schedule through under high temperature namely forms insulating material.
Embodiment 2
According to the drawing groove wedge of the present embodiment with the formula of insulated impregnating resin be:
Benzoxazine imide resin 100g, F44 novolac epoxy 45g, initiator benzoyl peroxide (BPO) 1.0g, reactive thinner are that PDDA 10g, solidifying agent are that methyl tetrahydro phthalic anhydride 45g, promotor are aluminium acetylacetonate 0.5g.
After above-mentioned each component is mixed by formula, namely make high temperature resistant drawing groove wedge insulating resin.When this insulating resin uses, adopt mold heated to 170 ℃ at curing schedule, controlling the time of resin in mould is 30 seconds, and the curing schedule through under high temperature namely forms insulating material.
Embodiment 3
According to the drawing groove wedge of the present embodiment with the formula of insulated impregnating resin be:
Benzoxazine imide resin 100g, F44 novolac epoxy 30g, initiator benzoyl peroxide (BPO) 0.6g, reactive thinner are that pentaerythritol triacrylate (APE) 15g, solidifying agent are that phenylimidazole 8g, promotor are acetylacetone cobalt 0.2g.
After above-mentioned each component is mixed by formula, namely make high temperature resistant drawing groove wedge insulating resin.When this insulating resin uses, adopt mold heated to 180 ℃ at curing schedule, controlling the time of resin in mould is 45 seconds, and the curing schedule through under high temperature namely forms insulating material.
Embodiment 4
According to the drawing groove wedge of the present embodiment with the formula of insulated impregnating resin be:
Benzoxazine imide resin 100g, F51 novolac epoxy 35g, initiator benzoyl peroxide (BPO) 0.8g, reactive thinner are that PDDA 10g, solidifying agent are that methyl hexahydrophthalic anhydride 8g, promotor are acetylacetone cobalt 0.2g.
After above-mentioned each component is mixed by formula, namely make high temperature resistant drawing groove wedge insulating resin.When this insulating resin uses, adopt mold heated to 180 ℃ at curing schedule, controlling the time of resin in mould is 60 seconds, and the curing schedule through under high temperature namely forms insulating material.
Embodiment 5
According to the drawing groove wedge of the present embodiment with the formula of insulated impregnating resin be:
Benzoxazine imide resin 100g, F51 novolac epoxy 35g, initiator benzoyl peroxide (BPO) 0.8g, reactive thinner are that PDDA 10g, solidifying agent are that methyl hexahydrophthalic anhydride 35g, promotor are acetylacetone cobalt 0.2g and Bian base triphenyl phosphonium oxide compound
After above-mentioned each component is mixed by formula, namely make high temperature resistant drawing groove wedge insulating resin.When this insulating resin uses, adopt mold heated to 180 ℃ at curing schedule, controlling the time of resin in mould is 50 seconds, and the curing schedule through under high temperature namely forms insulating material.
In sum, after each component is mixed by formula, namely get drawing groove wedge insulated impregnating resin of the present invention, this drawing groove wedge is simple, with low cost with the insulated impregnating resin manufacturing process, and this drawing groove wedge insulated impregnating resin good stability, stability in storage is good.
In addition,, with the beneficial effect of insulated impregnating resin the drawing groove wedge of embodiment 1～5 preparation is tested according to corresponding national standard with the performance of insulated impregnating resin product after actual pulling in order to prove drawing groove wedge of the present invention, be the results are shown in Table 1.
As shown in Table 1, drawing groove wedge of the present invention insulated impregnating resin good stability, drawing groove wedge of the present invention is high with the heat-drawn wire that insulated impregnating resin is used for the rear insulating material that forms of drawing groove wedge dipping, shock strength, flexural strength excellence.
Claims (8)
1. a drawing groove wedge insulated impregnating resin, is characterized in that, its weight part consists of:
2. drawing groove wedge insulated impregnating resin according to claim 1, it is characterized in that, described reactive thinner is one or more in vinylbenzene, vinyl toluene, diallyphthalate acid esters, PDDA, pentaerythritol triacrylate.
3. drawing groove wedge insulated impregnating resin according to claim 1, is characterized in that, described initiator is one or both in benzoyl peroxide, dicumyl peroxide.
4. drawing groove wedge insulated impregnating resin according to claim 1, is characterized in that, described solidifying agent is one or more of anhydride curing agent, boron amide solidifying agent, imidazole curing agent.
5. drawing groove wedge insulated impregnating resin according to claim 5, is characterized in that, described solidifying agent is methyl tetrahydro phthalic anhydride, methyl hexahydrophthalic anhydride, phenylimidazole, β, β '-dimethylamino oxyethyl group-1,3,6,2-three dislikes in assorted eight rings of boron one or more.
6. drawing groove wedge insulated impregnating resin according to claim 1, is characterized in that, described curing catalyst is that metal salt of organic carboxylic acid, acetyl acetone salt, triphenylphosphine are Ji one or more of Qi phosphonium salt
7. drawing groove wedge insulated impregnating resin according to claim 1, is characterized in that, described curing catalyst is one or more in aluminium acetylacetonate, acetylacetone cobalt and Bian base triphenyl phosphonium oxide compound.
8. the curing of the described drawing groove wedge use of the arbitrary claim of claim 1～7 insulated impregnating resin, is characterized in that, solidification value is 155～180 ℃, and be 30～50 seconds set time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310046960.7A CN103145924B (en) | 2013-02-01 | 2013-02-01 | Insulating impregnating resin for drawing groove wedge and its curing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310046960.7A CN103145924B (en) | 2013-02-01 | 2013-02-01 | Insulating impregnating resin for drawing groove wedge and its curing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103145924A true CN103145924A (en) | 2013-06-12 |
| CN103145924B CN103145924B (en) | 2015-05-20 |
Family
ID=48544277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310046960.7A Active CN103145924B (en) | 2013-02-01 | 2013-02-01 | Insulating impregnating resin for drawing groove wedge and its curing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103145924B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106497396A (en) * | 2016-10-28 | 2017-03-15 | 苏州太湖电工新材料股份有限公司 | A kind of environment-friendly type thermostable halogen-free flame retardant insulation paint and its application |
| CN107617537A (en) * | 2016-07-15 | 2018-01-23 | 株洲时代新材料科技股份有限公司 | A kind of resin impregnates solidification equipment |
| CN111607348A (en) * | 2020-05-19 | 2020-09-01 | 浙江博菲电气股份有限公司 | Adhesive for drawing slot wedge and preparation method of slot wedge using adhesive |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101684191A (en) * | 2009-08-27 | 2010-03-31 | 广东生益科技股份有限公司 | Halogen-less high frequency resin composition, and prepreg and laminate manufacturing by using same |
| CN101826765A (en) * | 2010-04-13 | 2010-09-08 | 嘉兴市新大陆机电有限公司 | Extraction slot wedge for high intensity glass fiber cloth |
| CN102290901A (en) * | 2011-08-22 | 2011-12-21 | 海宁永大电气新材料有限公司 | Composite slot wedge used for motor rotor and manufacturing method thereof |
| CN102643013A (en) * | 2012-04-28 | 2012-08-22 | 浙江德和绝热科技有限公司 | Method of using waste glass fiber reinforced phenolic resin molding compound to produce foam glass |
-
2013
- 2013-02-01 CN CN201310046960.7A patent/CN103145924B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101684191A (en) * | 2009-08-27 | 2010-03-31 | 广东生益科技股份有限公司 | Halogen-less high frequency resin composition, and prepreg and laminate manufacturing by using same |
| CN101826765A (en) * | 2010-04-13 | 2010-09-08 | 嘉兴市新大陆机电有限公司 | Extraction slot wedge for high intensity glass fiber cloth |
| CN102290901A (en) * | 2011-08-22 | 2011-12-21 | 海宁永大电气新材料有限公司 | Composite slot wedge used for motor rotor and manufacturing method thereof |
| CN102643013A (en) * | 2012-04-28 | 2012-08-22 | 浙江德和绝热科技有限公司 | Method of using waste glass fiber reinforced phenolic resin molding compound to produce foam glass |
Non-Patent Citations (2)
| Title |
|---|
| HATSUO ISHIDA，等: "Synthesis and Characterization of Maleimide and Norbornene Functionalized benzoxazines", 《POLYMER》 * |
| 黄进: "苯并噁嗪无溶剂浸渍漆的研制", 《中国优秀硕士学位论文全文数据库（工程科技Ⅰ辑）》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617537A (en) * | 2016-07-15 | 2018-01-23 | 株洲时代新材料科技股份有限公司 | A kind of resin impregnates solidification equipment |
| CN106497396A (en) * | 2016-10-28 | 2017-03-15 | 苏州太湖电工新材料股份有限公司 | A kind of environment-friendly type thermostable halogen-free flame retardant insulation paint and its application |
| CN106497396B (en) * | 2016-10-28 | 2019-07-26 | 苏州太湖电工新材料股份有限公司 | A kind of environment-friendly type thermostable halogen-free flame retardant insulation paint and its application |
| CN111607348A (en) * | 2020-05-19 | 2020-09-01 | 浙江博菲电气股份有限公司 | Adhesive for drawing slot wedge and preparation method of slot wedge using adhesive |
| CN111607348B (en) * | 2020-05-19 | 2021-12-14 | 浙江博菲电气股份有限公司 | Adhesive for drawing slot wedge and preparation method of slot wedge using adhesive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103145924B (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103113526B (en) | Solvent-less impregnating resin for high-voltage motor and curing method | |
| CN103130964B (en) | Low, Medium-voltage motor solvent-free impregnating resin and curing | |
| CN101490066A (en) | Phosphorus-containing benzoxazine compound, process for production thereof, curable resin composition, cured article, and laminate plate | |
| CN101892005B (en) | Halogen-free flame retardant high-temperature resistant insulating paint for motor | |
| CN104356932B (en) | Solvent-free benzoxazine impregnating varnish and preparation method thereof | |
| CN103145924B (en) | Insulating impregnating resin for drawing groove wedge and its curing method | |
| CN104371237B (en) | A kind of unsaturated polyester resin compositions and its tubular molding compound of the thickening of non-alkali metal system | |
| CN102604328A (en) | Matrix resin composition of resin-based fabric reinforced composite mandrel for overhead wire and application method of the resin composition | |
| CN108410167A (en) | Low dielectric nylon material of a kind of fiberglass reinforced and preparation method thereof | |
| CN106750062A (en) | A kind of phenolic resin of modified by cardanol and the preparation method of phenolaldehyde moulding compound | |
| CN103723945B (en) | A kind of fast hydrolysis sustained-release polycarboxylic water reducer and preparation method thereof | |
| CN102766317B (en) | Organosilicone modified phenolic aldehyde injection molding material and preparation method thereof | |
| CN110734735A (en) | high-branched polymer wood adhesive and preparation method and application thereof | |
| CN103396133A (en) | Phenolic resin composition for stemming, preparation method of composition and stemming | |
| CN103360558B (en) | A kind of preparation method of modified phenolic resins | |
| CN102081989B (en) | A kind of epoxy glass mica paper tape and production method thereof | |
| CN105062390A (en) | Preparation method of adhesive for metal material packaging | |
| CN105199533A (en) | Phenolic insulating varnish | |
| CN105131283B (en) | Phosphonitrile type benzoxazine colophony of ring three and preparation method thereof and the phosphonitrile type benzoxazine colophony composition of ring three | |
| CN104761892A (en) | Nylon composite material with strong acid and alkali corrosion resistance and preparation method thereof | |
| CN101177497A (en) | Method for producing pnenolic aldehyde foam | |
| CN103275491A (en) | Silicone rubber heat-resistant additive, high-temperature-resistant transparent silicone rubber and preparation method of additive and rubber | |
| CN104231985A (en) | High-strength adhesive for bonding metal sheets and preparation method of high-strength adhesive | |
| CN103725148A (en) | Multi-resin composite wire enamel and preparation method thereof | |
| CN105542382A (en) | Plastic shell of electricity meter and application of plastic shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170307 Address after: 314423 Haining Economic Development Zone, Jiaxing, Zhejiang, hang Ping Road, No. 16, No. Patentee after: Jiaxing Xindalu Machinery & Electronic Co., Ltd. Address before: 314400 Haining City, Zhejiang Province Economic Development Zone, Ping Road, No. 16, No. Patentee before: Haining Yongcheng Insulation Materials Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314423 No. 16 hang Ping Road, Haining Economic Development Zone, Haining, Jiaxing, Zhejiang Patentee after: Zhejiang Bo Fei electric Limited by Share Ltd Address before: 314423 No. 16 hang Ping Road, Haining Economic Development Zone, Haining, Jiaxing, Zhejiang Patentee before: Jiaxing Xindalu Machinery & Electronic Co., Ltd. |