CN104409187A - Mica tape manufacturing method suitable for energy conservation, emission reduction and reduction of environmental pollution - Google Patents
Mica tape manufacturing method suitable for energy conservation, emission reduction and reduction of environmental pollution Download PDFInfo
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- CN104409187A CN104409187A CN201410688054.1A CN201410688054A CN104409187A CN 104409187 A CN104409187 A CN 104409187A CN 201410688054 A CN201410688054 A CN 201410688054A CN 104409187 A CN104409187 A CN 104409187A
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Abstract
The invention relates to a mica tape manufacturing method suitable for energy conservation, emission reduction and reduction of environmental pollution. The mica tape manufacturing method includes adding nanometer materials subjected to surface activation into mica powder; uniformly stirring and dispersing the nanometer materials and the mica powder at high speed for standby application; coating first adhesive on a reinforced material through a drum, and adsorbing mica raw materials onto the reinforced material by means of an electrostatic field; spraying second adhesive onto the mica raw materials on the reinforced material, compositing the second layer of a reinforced material to obtain a semi-finished double-side reinforced mica tape; drying the semi-finished double-side reinforced mica tape to remove organic solvent through a drying oven, cooling and rolling the semi-finished double-side reinforced mica tape to obtain a mica roll, namely a finished double-side reinforced mica tape. The mica tape manufacturing method is a new production process utilizing natural characteristics of charge. Only by little solvent, production cost of the mica tape is reduced, and the environmental pollution of the organic solvent is greatly reduced.
Description
The application is divisional application, the invention and created name of original application: a kind of manufacture method of mica tape, application number: 201110411241.1, the applying date: 2011-12-12.
Technical field
The present invention relates to the technical field that electrical insulating material manufactures, relate to many glue of high-voltage generator and high-tension motor and a kind of coming of new technique of low resin mica tape, specifically a kind of manufacture method of mica tape.
Background technology
Mica tape is motor particularly irreplaceable the most key insulating material in large-scale, high-voltage motor, wind-driven generator, large-size variable-frequency adjustable-speed motor, and mica tape with adhesive, supporting material and mica paper is bonded together the strip-shaped insulating material formed through cutting.The a large amount of organic solvent dissolution of adhesive must be become solution in mica tape manufacture process, during current mica tape manufacturing enterprise manufacture mica tape, the solids content of few adhesive tape adhesive only has about 10 usually, and 90 percent is organic solvents.The solids content of many adhesive tapes adhesive also only has about 40 %, cure rear a large amount of organic solvent in mica tape production process to vapor away, in mica tape, the content of organic solvent is less than 1%, the volatilization of these organic solvents not only causes waste, strengthen the production cost of mica tape, more seriously pollute environment.
How to solve in low resin mica tape production process and need to consume a large amount of organic solvents, causing mica tape production cost high, the problem of serious environment pollution, is the technical barrier of this area.
Summary of the invention
The technical problem to be solved in the present invention is to provide the manufacture method that a kind of production cost is lower, be suitable for the mica tape of energy-saving and emission-reduction and minimizing environmental pollution.
In order to solve the problems of the technologies described above, the manufacture method of single-side reinforced mica tape provided by the invention, comprising: in mica powder, add the nano material of surface through activation processing, the amount of nano material is the 10-25% of mica powder quality; Nano material and mica powder are uniformly dispersed through high-speed stirred, obtain mica raw material 3 for subsequent use; First adhesive 1 is coated onto on supporting material 2 by cylinder, utilizes electrostatic field that mica raw material 3 is adsorbed onto on supporting material 2; For fixing mica raw material 3 further, the second adhesive 4 being sprayed onto on the mica raw material 3 on described supporting material 2, namely obtaining the semi-products 5 of single-side reinforced mica tape; The semi-products 5 of this single-side reinforced mica tape by baking oven, dry and remove organic solvent, make the mica roll coil of strip 8 through cylinder roll extrusion rolling after cooling, namely arrive single-side reinforced mica tape finished product.
The manufacture method of two-sided reinforcement mica tape provided by the invention, comprising: in mica powder, add the nano material of surface through activation processing, the amount of nano material is the 10-25% of mica powder quality; Nano material and mica powder are uniformly dispersed through high-speed stirred, obtain mica raw material 3 for subsequent use; First adhesive 1 is coated onto on supporting material 2 by cylinder, utilizes electrostatic field that mica raw material 3 is adsorbed onto on supporting material 2; For fixing mica raw material 3 further, the second adhesive 4 being 5-10wt% amount of solid is sprayed onto on the mica raw material on described supporting material 2, and then second layer supporting material 6 in compound, namely obtains the semi-products 7 of two-sided reinforcement mica tape; The semi-products 7 of this two-sided reinforcement mica tape by baking oven, dry and remove organic solvent, make the mica roll coil of strip 8 through cylinder roll extrusion rolling after cooling, namely obtain two-sided reinforcement mica tape finished product.
Particularly, described nano material is the mixture of alundum (Al2O3) and aluminium nitride, and the ratio of alundum (Al2O3) and aluminium nitride is 20 ~ 42wt% ︰, 80 ~ 58wt%.
Further, by the semi-products 7 of the semi-products 5 of described single-side reinforced mica tape or two-sided reinforcement mica tape first through first baking oven, oven temperature is 120 ± 2 DEG C; Then, through second baking oven, oven temperature 130 ± 2 DEG C; Then three baking ovens of 150 DEG C, 160 DEG C, 165 DEG C are respectively by follow-up temperature; The transporting velocity of whole process is 8m/min, and the length of each baking oven is 3-4m.The process of organic solvent is gone in this baking, and temperature, by low and high, respectively by 5 road baking ovens, while guaranteeing that organic solvent volatilizees fast, can prevent from volatilizing too fast fast because of organic solvent and causing the generation of bubble, avoid the impact of bubble on product quality.
Particularly, described adhesive is when preparing, and the solid weight percentage of adhesive is 75% ~ 80%.
Particularly, described supporting material 2 or second layer supporting material 6 are polyimide film, polyester film, the U.S. paper of promise, one of alkali-free glass cloth or polyester non-woven fabric.
Particularly, described adhesive is one of epoxy resin, modified polyester resin, organic siliconresin, diphenyl ether.
Amount of solid in described second adhesive 4 is 5-10wt%, to reduce the glue content of mica tape.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) manufacture method of mica tape of the present invention, in the mica powder of certain order number, add the mixture that the surperficial nano material through activation processing is alundum (Al2O3), aluminium nitride, and the mass percent of alundum (Al2O3) and aluminium nitride is (20 ~ 42%) ︰ (80 ~ 58%).Nano material and mica powder are uniformly dispersed through high-speed stirred.The addition of nano material should be while the insulation property not reducing mica tape, can form again effective high passage of heat.Its principle utilizes the electric charge two like magnetic poles repel each other physical characteristic that there is a natural attraction between the sexes, make negative electrical charge on mica powder band, under supporting material (polyimide film, one of polyester film or alkali-free glass cloth, polyester non-woven fabric etc.) is placed on zero potential or grounding requirement, mica powder is subject to the attraction of different current potential, in the surface of vaporific quick adsorption to supporting material, because supporting material scribbles adhesive, mica powder is just adhered on supporting material.The present invention is a kind of production new technique utilizing the natural characteristic of electric charge to produce.Only need little solvent.Produce the organic solvent that 1 ton of low resin mica tape approximately can save 600Kg, produce one ton of resin-rich mica tape and can save organic solvent 300Kg.The minimizing of organic solvent consumption, reduces the production cost of mica tape, and greatly reduces the pollution of organic solvent to environment; In addition, also can faster production reduce stoving temperature, reduce the consumption about 1/3 of electric energy, the low resin mica tape property indices produced all reaches and more than the relevant requirements of GB/T5019-2009 " taking mica as the insulating material of base ".
(2) indicated weight that manufacture method of the present invention can control mica is regulated by within the scope of 0.04 ~ 0.08mm on demand by the thickness of 60 ~ 180g/m2, mica layer.In addition, adopt in process of the present invention and utilize electrostatic field that mica powder is adsorbed onto on supporting material, the mica tape mica layer made will be loosened a little compared with the mica layer of conventional method; When being applied to the vacuum pressure impregnation of high-voltage motor, Large Copacity wind-driven generator, large-size variable-frequency adjustable-speed motor etc., insulating varnish can fully soak into quickly, realizes air-gap-free insulation, is conducive to reliability and the useful life of improving high-voltage motor.
(3) nano material is in the present invention the mixture of alundum (Al2O3), aluminium nitride, wherein, the mixed proportion of alundum (Al2O3) and aluminium nitride is suitable for the thermal conductivity significantly improving mica tape, conductive coefficient exceedes more than 2 times that traditional handicraft makes mica tape, is particularly conducive to the temperature rise reducing high-voltage motor, wind-driven generator, variable-frequency motor; The useful life of improving motor is had great significance.
(4) process of the present invention is applicable to electrician's alkali-free glass cloth, low resin mica tape that polyimide film, polyester film, promise U.S. paper, polyester non-woven fabric etc. are supporting material, that be adhesive with epoxy resin, modified polyester resin, organic siliconresin, diphenyl ether etc., is suitable for the glue content of lower mica tape.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of manufacture single-side reinforced mica tape production line of the present invention;
Fig. 2 is the structural representation of manufacture of the present invention two-sided reinforcement mica tape production line.
Embodiment
Embodiment 1: single-side reinforced mica tape
In mica powder, add the nano material of surface through activation processing, the amount of nano material is 15% of mica powder quality; Nano material and mica powder are uniformly dispersed through high-speed stirred, obtain mica raw material 3.
Described nano material is the mixture of the alundum (Al2O3) of 32wt% and the aluminium nitride of 68wt%.
For reducing the consumption of organic solvent in mica tape production, when preparing the first adhesive 1, the solids content of adhesive is controlled at 77wt%, add in glue groove, be coated onto on the lower surface of supporting material 2 with roller kiss-coating, the glue amount on supporting material is coated onto according to the requirement adjustment cylinder of mica tape glue content, open the power supply of electrostatic generator 9, make mica raw material 3 and supporting material bring the charges of different polarity respectively, make mica raw material 3 be adsorbed onto on supporting material 2 to utilize electrostatic field; Mica raw material on supporting material 2 sprays the second adhesive 4 that one deck amount of solid is 8wt%.Then enter baking oven, first through first baking oven, oven temperature is 120 ± 2 DEG C; Then, through second baking oven, oven temperature 130 ± 2 DEG C; Then three baking ovens of 150 DEG C, 160 DEG C, 165 DEG C are respectively by follow-up temperature; The transporting velocity of whole process is 8m/min, and the length of each baking oven is 3.5m.Through cylinder roll extrusion rolling after mica tape cooling, then cut into mica tape according to the width of customer requirement.
Described supporting material 2 or second layer supporting material 6 are one of polyimide film, polyester film, the U.S. paper of promise, alkali-free glass cloth, polyester non-woven fabric.
Described adhesive is one of epoxy resin, modified polyester resin, organic siliconresin, diphenyl ether.
Embodiment 2: two-sided reinforcement mica tape
In mica powder, add the nano material of surface through activation processing, the amount of nano material is 15% of mica powder quality; Nano material and mica powder are uniformly dispersed through high-speed stirred, obtain mica raw material 3.
Described nano material is the mixture of the alundum (Al2O3) of 40wt% and the aluminium nitride of 60wt%.
For reducing the consumption of organic solvent in mica tape production, during preparation adhesive, the solids content of adhesive is controlled 78%, add in glue groove, be coated onto on the lower surface of supporting material 2 with roller kiss-coating, the glue amount on supporting material is coated onto according to mica tape glue content requirement adjustment cylinder, open the power supply of electrostatic generator 9, mica raw material 3 is adsorbed and pastes on supporting material 2; Mica raw material 3 on described supporting material sprays the second adhesive 4 that one deck amount of solid is 7%.Second layer supporting material 6 on the surface being sprayed with the second adhesive 4 again compound.Then enter baking oven: first through first baking oven, oven temperature is 120 ± 2 DEG C; Then, through second baking oven, oven temperature 130 ± 2 DEG C; Then three baking ovens of 150 DEG C, 160 DEG C, 165 DEG C are respectively by follow-up temperature; The transporting velocity of whole process is 8m/min, and the length of each baking oven is 3.5m.Through cylinder roll extrusion rolling after mica tape cooling, then cut into mica tape according to the width of customer requirement.
Described supporting material 2 or second layer supporting material 6 are one of polyimide film, polyester film, the U.S. paper of promise, alkali-free glass cloth, polyester non-woven fabric.
Described adhesive is one of epoxy resin, modified polyester resin, organic siliconresin, diphenyl ether.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (6)
1. a manufacture method for mica tape, is characterized in that comprising:
In mica powder, add the nano material of surface through activation processing, the amount of nano material is the 10-25% of mica powder quality; Nano material and mica powder are uniformly dispersed through high-speed stirred, obtain mica raw material (3) for subsequent use;
First adhesive (1) is coated onto on supporting material (2) by cylinder, utilizes electrostatic field that mica raw material (3) is adsorbed onto on supporting material (2);
The second adhesive (4) being 5-10wt% amount of solid is sprayed onto on the described mica raw material on supporting material (2), and then second layer supporting material (6) in compound, namely obtains the semi-products (7) of two-sided reinforcement mica tape;
The semi-products (7) of this two-sided reinforcement mica tape by baking oven, dry and remove organic solvent, make the mica roll coil of strip (8) through cylinder roll extrusion rolling after cooling, namely obtain two-sided reinforcement mica tape finished product.
2. the manufacture method of mica tape according to claim 1, is characterized in that: described nano material is the mixture of alundum (Al2O3) and aluminium nitride, and the ratio of alundum (Al2O3) and aluminium nitride is (20 ~ 42wt%) ︰ (80 ~ 58wt%).
3. the manufacture method of the mica tape according to claims 2, is characterized in that: by the semi-products (5) of described single-side reinforced mica tape or the semi-products (7) of two-sided reinforcement mica tape first through first baking oven, oven temperature is 120 ± 2 DEG C; Then, through second baking oven, oven temperature 130 ± 2 DEG C; Then three baking ovens of 150 DEG C, 160 DEG C, 165 DEG C are respectively by follow-up temperature; The transporting velocity of whole process is 8m/min, and the length of each baking oven is 3-4m.
4. according to the manufacture method of the mica tape one of claim 1-3 Suo Shu, it is characterized in that: the first described adhesive is when preparing, and the solids content of adhesive is 75 ~ 80wt%.
5. according to the manufacture method of the mica tape one of claim 1-3 Suo Shu, it is characterized in that: described supporting material (2) or second layer supporting material (6) are polyimide film, one of polyester film, the U.S. paper of promise, alkali-free glass cloth, polyester non-woven fabric.
6. according to the manufacture method of the mica tape one of claim 1-3 Suo Shu, it is characterized in that: described adhesive is one of epoxy resin, modified polyester resin, organic siliconresin, diphenyl ether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410688054.1A CN104409187A (en) | 2011-12-12 | 2011-12-12 | Mica tape manufacturing method suitable for energy conservation, emission reduction and reduction of environmental pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410688054.1A CN104409187A (en) | 2011-12-12 | 2011-12-12 | Mica tape manufacturing method suitable for energy conservation, emission reduction and reduction of environmental pollution |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110411241.1A Division CN102514345B (en) | 2011-12-12 | 2011-12-12 | Manufacturing method of mica tape |
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| CN104409187A true CN104409187A (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410688054.1A Pending CN104409187A (en) | 2011-12-12 | 2011-12-12 | Mica tape manufacturing method suitable for energy conservation, emission reduction and reduction of environmental pollution |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761855A (en) * | 2016-01-29 | 2016-07-13 | 郝福 | High-thermal conductivity ultrathin mica tape and preparation method thereof |
| CN113844067A (en) * | 2021-09-06 | 2021-12-28 | 湖北平安电工科技股份公司 | Mica composite material and manufacturing method thereof |
| CN115651561A (en) * | 2022-10-08 | 2023-01-31 | 东莞澳中新材料科技股份有限公司 | Preparation method of composite mica tape and mica tape prepared by using same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1096453A (en) * | 1964-06-15 | 1967-12-29 | Vickers Ltd | Improvements relating to surface coatings |
| EP0041824A1 (en) * | 1980-06-11 | 1981-12-16 | Associated Electrical Industries Limited | A method of manufacturing electrical insulation |
| CN101460305A (en) * | 2006-04-03 | 2009-06-17 | 西门子发电公司 | Method for making a composite insulation tape with loaded HTC materials |
| CN101917080A (en) * | 2010-04-29 | 2010-12-15 | 上海同立电工材料有限公司 | Epoxy corona-resistant polyimide film glass powder mica tape and preparation method for manufacturing rotor bar of wind driven generator from same |
-
2011
- 2011-12-12 CN CN201410688054.1A patent/CN104409187A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1096453A (en) * | 1964-06-15 | 1967-12-29 | Vickers Ltd | Improvements relating to surface coatings |
| EP0041824A1 (en) * | 1980-06-11 | 1981-12-16 | Associated Electrical Industries Limited | A method of manufacturing electrical insulation |
| CN101460305A (en) * | 2006-04-03 | 2009-06-17 | 西门子发电公司 | Method for making a composite insulation tape with loaded HTC materials |
| CN101917080A (en) * | 2010-04-29 | 2010-12-15 | 上海同立电工材料有限公司 | Epoxy corona-resistant polyimide film glass powder mica tape and preparation method for manufacturing rotor bar of wind driven generator from same |
Non-Patent Citations (1)
| Title |
|---|
| 徐鸿本: "《实用五金大全》", 31 March 2001, article "实用五金大全" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761855A (en) * | 2016-01-29 | 2016-07-13 | 郝福 | High-thermal conductivity ultrathin mica tape and preparation method thereof |
| CN113844067A (en) * | 2021-09-06 | 2021-12-28 | 湖北平安电工科技股份公司 | Mica composite material and manufacturing method thereof |
| CN115651561A (en) * | 2022-10-08 | 2023-01-31 | 东莞澳中新材料科技股份有限公司 | Preparation method of composite mica tape and mica tape prepared by using same |
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Application publication date: 20150311 |