CN103122190B - Class-H insulation dry-type air-core reactor wire epoxy polyester low-solvent bonding paint and production method thereof - Google Patents
Class-H insulation dry-type air-core reactor wire epoxy polyester low-solvent bonding paint and production method thereof Download PDFInfo
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- CN103122190B CN103122190B CN201310041585.7A CN201310041585A CN103122190B CN 103122190 B CN103122190 B CN 103122190B CN 201310041585 A CN201310041585 A CN 201310041585A CN 103122190 B CN103122190 B CN 103122190B
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Abstract
The invention discloses a Class-H insulation dry-type air-core reactor wire epoxy polyester low-solvent bonding paint and a production method thereof. The Class-H insulation dry-type air-core reactor wire epoxy polyester low-solvent bonding paint is prepared from the following raw materials in percentage by weight: 60-65% of heat-resistant polyester, 10-12% of modified epoxy resin, 15-17% of composite acid anhydride, 10-12% of toluene, 0.5-1% of dicumyl peroxide, 0.02% of hydroquinone and 0.3-0.5% of latent accelerator. The sum of the weight percents of the raw materials is 100%. The Class-H insulation dry-type air-core reactor wire epoxy polyester low-solvent bonding paint can achieve Class-H insulation, can work at 180 DEG C for a long time, can satisfy the demands for the air-core reactor wire bonding technique, and can reduce the volatilization of toxic organic solvents due to low solvent content; and since the curing temperature is only 150 DEG C and the temperature classification is Class H, the Class-H insulation dry-type air-core reactor wire epoxy polyester low-solvent bonding pain can save energy, is beneficial to reducing the volume and weight of the reactor and saving the material, and has the advantages of heat resistance, energy saving and environmental protection.
Description
Technical field
The present invention relates to a kind of bonding paint and preparation, be specifically related to the few solvent bonding paint of a kind of H grade insulation dry air-core reactor wire and production method thereof.
Background technology
The contriver of applicant once accessed the famous factory and Canadian TE(Trench Electric that produce dry-type air-core reactor) company and Austrian SE(Speziele Ectra) company, TE company dry-type air-core reactor wire adhesion paint adopts bisphenol A epoxide resin to add solidifying agent and filler formation, SE company then uses cycloaliphatic epoxy resin and bisphenol A epoxide resin and solidifying agent, reactive thinner, promotor to form, temperature classification is B, F, H level, and its formula is different but all secret.After returning Country, the contriver of applicant answers the requirement of domestic dry-type air-core reactor factory, and developed bisphenol A epoxide resin and added compound acid anhydrides, promotor, temperature classification is the wire adhesion paint of the dry-type air-core reactor of B level and widely uses in similar factory.
Due to dry-type air-core reactor have lightweight, good linearity, physical strength are high, noise is low, floor space is little, be placed in outdoor environment and without the need to advantages such as maintenance throughout the year, thus reduce power station and fabricating yard, minimizing initial cost, be the necessary equipment of power transmission and distribution.In order to improve the quality of products, weight reduction, reduced volume, must bring up to H level by the insulation level of bonding paint, make operation working temperature bring up to 180 DEG C of H level by 130 DEG C of B level.
Summary of the invention
The object of the invention is to, the few solvent bonding paint of a kind of H grade insulation dry air-core reactor wire epoxy polyester and production method thereof are provided.
For realizing above-mentioned task, the present invention takes following technical solution:
The few solvent bonding paint of a kind of H grade insulation dry air-core reactor wire epoxy polyester, it is characterized in that the few solvent bonding paint of this H grade insulation dry air-core reactor wire epoxy polyester obtained is made up of following raw materials by weight: heat-resistant polyester: 60% ~ 65%, modified epoxy: 10% ~ 12%, compound acid anhydrides: 15% ~ 17%, toluene: 10% ~ 12%, dicumyl peroxide: 0.5% ~ 1%; Resorcinol: 0.02%; Subsidence feed: 0.3 ~ 0.5%, the per-cent sum of above-mentioned raw materials is 100%;
Described heat-resistant polyester is dicyclopentadiene vibrin, and it is synthesized by following raw materials by weight: dicyclopentadiene: 10 ~ 11%; MALEIC ANHYDRIDE: 31 ~ 32%; Propylene glycol: 27 ~ 28%; Vinylbenzene 29 ~ 30%, the per-cent sum of raw material is 100%;
Described compound acid anhydrides is that 8:2 or 7.5:2.5 is formulated by tung oil acid anhydride and methyl tetrahydro phthalic anhydride by weight.
Described modified epoxy is that 92:8 is formulated by bisphenol A epoxide resin E-44 and bismaleimides weight ratio.
The production method of the few solvent bonding paint of above-mentioned H grade insulation dry air-core reactor wire, is characterized in that comprising the following steps:
1. the producing of heat-resistant polyester:
By formulation weight, MALEIC ANHYDRIDE, propylene glycol, dicyclopentadiene are added reactor intensification and be stirred to 150 DEG C, insulation 2h, then 200 DEG C are warming up to, remain to acid number < 25mgKOH/g at this temperature, then be cooled to less than 100 DEG C, add the vinylbenzene of formulation weight, stir, obtain dicyclic pentylene modified polyester, stand-by;
2. the producing of compound acid anhydrides:
By tung oil acid anhydride and methyl tetrahydro phthalic anhydride by weight be 8:2 or 7.5:2.5, add in reactor, at 30-40 DEG C of stirring 1-2h, discharging is stand-by;
3. the producing of modified epoxy:
Bisphenol A epoxide resin E-44 is added reactor and is warming up to 90-100 DEG C, then under agitation add bismaleimides in proportion, at this temperature and keep 3-4h transparent to material, cool and obtain modified epoxy;
4. the preparation of the few solvent bonding paint of H grade insulation dry air-core reactor wire epoxy polyester:
Get above-mentioned heat-resistant polyester resin, modified epoxy, compound acid anhydrides, toluene, dicumyl peroxide, Resorcinol, subsidence feed by weight percentage, the per-cent sum of raw material is 100%, add respectively in reactor, at room temperature mix 1-2h, guarantee mixing of materials is even, filter, pack, obtain the few solvent bonding paint of H grade insulation dry air-core reactor wire epoxy polyester.
The few solvent bonding paint of H grade insulation dry air-core reactor wire epoxy polyester prepared by the present invention, owing to refer to dicyclopentadiene vibrin, there is good heat resistance, arrange in pairs or groups with bi-maleimide modified epoxy resin and obtain, meeting the technical indicator of dry-type air-core reactor factory, H class B insulation can be reached, long term operation is in 180 DEG C, the needs of air-core reactor wire adhesion technique can be met, owing to being few solvent paint, the volatilization of toxic organic solvents can be reduced; Its solidification value is only 150 DEG C, and temperature classification is H level, can be energy-conservation, is conducive to reactor reduced volume, and material is saved in weight reduction, has effect that is heat-resisting, energy-saving and environmental protection.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
According to technical scheme of the present invention, the present embodiment provides the few solvent bonding paint of a kind of H grade insulation dry air-core reactor wire epoxy polyester, it is made up of following raw materials by weight: heat-resistant polyester: 60% ~ 65%, modified epoxy: 10% ~ 12%, compound acid anhydrides: 15% ~ 17%, toluene: 10% ~ 12%, dicumyl peroxide: 0.5% ~ 1%; Resorcinol: 0.02%; Subsidence feed: 0.3 ~ 0.5%, the per-cent sum of above-mentioned raw materials is 100%;
Above-mentioned heat-resistant polyester is dicyclic pentylene modified polyester, and it is synthesized by following raw materials by weight: dicyclopentadiene: 10 ~ 11%; MALEIC ANHYDRIDE: 31 ~ 32%; Propylene glycol: 27 ~ 28%; Vinylbenzene 29 ~ 30%, the per-cent sum of raw material is 100%;
Above-mentioned compound acid anhydrides is that 8:2 or 7.5:2.5 is formulated by tung oil acid anhydride and methyl tetrahydro phthalic anhydride by weight;
Above-mentioned modified epoxy is formulated by weight 92:8 by bisphenol a liquid epoxy resin E-44 and bismaleimides.
Its production method, specifically comprises the following steps:
1, the preparation of heat-resistant polyester:
Fill a prescription by weight percentage, get dicyclopentadiene, MALEIC ANHYDRIDE, propylene glycol add reactor, be warming up to 150 DEG C and keep 2h, then with 10 DEG C/min ramp to 200 DEG C, remain to acid number < 25mgKOH/g at this temperature, be then cooled to less than 100 DEG C, the vinylbenzene adding formula ratio stirs, obtain dicyclic pentylene modified polyester, stand-by.
2, the preparation of compound acid anhydrides:
Get tung oil acid anhydride and methyl tetrahydro phthalic anhydride by weight preparing for 8:2 or 7.5:2.5, mix and blend 1 ~ 2 hour in the reactor of 30 DEG C ~ 40 DEG C, discharging is stand-by.
3, the preparation of modified epoxy:
Get bisphenol A epoxide resin E-44 to add reactor and be warming up to 90 ~ 100 DEG C, under agitation add the bismaleimides of formula ratio, be incubated 3 ~ 4h at this temperature, until material is transparent, cools and obtain modified epoxy, stand-by.
4, the preparation of the few solvent bonding paint of H grade insulation dry air-core reactor wire epoxy polyester:
Get above-mentioned heat-resistant polyester, modified epoxy, compound acid anhydrides, toluene %, dicumyl peroxide, Resorcinol, subsidence feed by weight percentage, add reactor and at room temperature stir 1-2h and mix, filter, pack and get final product.
Preparation embodiment 1:
1, the preparation of heat-resistant polyester resin:
Get dicyclopentadiene 105kg, propylene glycol 280kg and MALEIC ANHYDRIDE 315kg and drop into reactor heat temperature raising, stirring is started after solid materials melts, rise to 150 DEG C ~ 155 DEG C insulation backflow 2h, and then with ramp to 200 ± 5 DEG C of 10 DEG C/min, insulation, until material sampling detecting acid number < 25mgKOH/g, be cooled to less than 100 DEG C, add vinylbenzene 300kg to stir discharging, obtain dicyclopentadiene vibrin, stand-by.
2, the preparation of compound acid anhydrides:
Get tung oil acid anhydride 400kg and drop into reactor, be heated to 30 ~ 40 DEG C, under agitation add 100kg methyl tetrahydro phthalic anhydride, after stirring 1 ~ 2h mixes, discharging, stand-by.
3, the preparation of modified epoxy:
The bisphenol A epoxide resin 460kg getting preliminary drying drops into reactor, is warming up to 90 ~ 100 DEG C, under agitation adds bismaleimides 40kg, keep 3 ~ 4h transparent to material at this temperature, discharging, stand-by.
4, the preparation of the few solvent bonding paint of H grade insulation dry air-core reactor wire epoxy polyester:
Get above-mentioned dicyclopentadiene vibrin 600kg, modified epoxy 110kg, compound acid anhydrides 170kg, toluene 105kg, at room temperature add reactor and stir;
Get a container again dicumyl peroxide 5kg, Resorcinol 0.2kg, subsidence feed (model SH-A100) 5kg 4.8kg toluene are dissolved, then join in reactor, stir 1.5h, filter, pack, to obtain final product.
Preparation embodiment 2:
The present embodiment 2 with implement 1 unlike, in step 2, during preparation compound acid anhydrides, tung oil acid anhydride and methyl tetrahydro phthalic anhydride weight ratio are 7.5:2.5, and all the other are all with embodiment 1.
Preparation embodiment 3:
The present embodiment 3 and embodiment 1 difference be, in step 4, dicyclopentadiene vibrin is 620kg, compound acid anhydrides is 150kg, all the other are all with embodiment 1.
The product performance of the few solvent bonding paint of H grade insulation dry air-core reactor wire epoxy polyester prepared by above-described embodiment and technical indicator see the following form:
Claims (2)
1. the few solvent bonding paint of H grade insulation dry air-core reactor wire epoxy polyester, it is characterized in that, the few solvent bonding paint of this obtained H grade insulation dry air-core reactor wire epoxy polyester is made up of following raw materials by weight: heat-resistant polyester: 60% ~ 65%, modified epoxy: 10% ~ 12%, compound acid anhydrides: 15% ~ 17%, toluene: 10% ~ 12%, dicumyl peroxide: 0.5% ~ 1%; Resorcinol: 0.02%; Subsidence feed: 0.3 ~ 0.5%, the per-cent sum of above-mentioned raw materials is 100%;
Described heat-resistant polyester is dicyclic pentylene modified polyester, and it is synthesized by following raw materials by weight: dicyclopentadiene: 10 ~ 11%; MALEIC ANHYDRIDE: 31 ~ 32%; Propylene glycol: 27 ~ 28%; Vinylbenzene 29 ~ 30%, the per-cent sum of raw material is 100%;
Described compound acid anhydrides is that 8:2 or 7.5:2.5 is formulated by tung oil acid anhydride and methyl tetrahydro phthalic anhydride by weight;
Described modified epoxy is formulated by weight 92:8 by bisphenol a liquid epoxy resin E-44 and bismaleimides.
2. the production method of the few solvent bonding paint of H grade insulation dry air-core reactor wire epoxy polyester according to claim 1, is characterized in that, comprise the following steps:
1. the producing of heat-resistant polyester:
By formulation weight, MALEIC ANHYDRIDE, propylene glycol, dicyclopentadiene are added reactor intensification and be stirred to 150 DEG C, insulation 2h, then 200 DEG C are warming up to, remain to acid number < 25mgKOH/g at this temperature, then be cooled to less than 100 DEG C, add the vinylbenzene of formulation weight, stir, obtain dicyclic pentylene modified polyester, stand-by;
2. the producing of compound acid anhydrides:
By tung oil acid anhydride and methyl tetrahydro phthalic anhydride by weight be that 8:2 or 7.5:2.5 prepares, add in reactor, at 30-40 DEG C of stirring 1-2h, discharging is stand-by;
3. the producing of modified epoxy:
Bisphenol a liquid epoxy resin E-44 is added reactor and is warming up to 90-100 DEG C, then under agitation add bismaleimides in proportion, be incubated 3-4h at this temperature transparent to material, cool and obtain modified epoxy;
4. the preparation of the few solvent bonding paint of H grade insulation dry air-core reactor wire epoxy polyester:
Get above-mentioned heat-resistant polyester resin, modified epoxy, compound acid anhydrides, toluene, dicumyl peroxide, Resorcinol, subsidence feed by weight percentage, the per-cent sum of raw material is 100%, add respectively in reactor, at room temperature mix 1-2h, guarantee mixing of materials is even, filter, pack, obtain the few solvent bonding paint of H grade insulation dry air-core reactor wire epoxy polyester.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310041585.7A CN103122190B (en) | 2013-02-01 | 2013-02-01 | Class-H insulation dry-type air-core reactor wire epoxy polyester low-solvent bonding paint and production method thereof |
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| CN201310041585.7A CN103122190B (en) | 2013-02-01 | 2013-02-01 | Class-H insulation dry-type air-core reactor wire epoxy polyester low-solvent bonding paint and production method thereof |
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| CN103122190B true CN103122190B (en) | 2015-01-07 |
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| CN101892006B (en) * | 2010-03-22 | 2012-12-19 | 中国船舶重工集团公司第七一二研究所 | Insulating paint for variable frequency motor and preparation method thereof |
| CN101805533B (en) * | 2010-05-11 | 2012-05-02 | 陕西宏业机电化工有限公司 | Heat-resistance energy-saving environment-protection epoxy solvent-free paint and production method thereof |
| CN102115534B (en) * | 2011-01-07 | 2013-06-05 | 中国林业科学研究院林产化学工业研究所 | Dicyclopentadiene type unsaturated polyester modified by tung oil, and preparation method and application thereof |
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