CN203535974U - Mica tape - Google Patents
Mica tape Download PDFInfo
- Publication number
- CN203535974U CN203535974U CN201320654334.1U CN201320654334U CN203535974U CN 203535974 U CN203535974 U CN 203535974U CN 201320654334 U CN201320654334 U CN 201320654334U CN 203535974 U CN203535974 U CN 203535974U
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- China
- Prior art keywords
- mica tape
- mica
- utility
- model
- teflon
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- Expired - Fee Related
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Abstract
The utility model provides a mica tape which sequentially comprises from top to bottom: a mica paper, an adhesive layer, and an alkali-free glass cloth. The mica tape is characterized by also including a teflon film which is bonded on an upper surface of the mica paper through an organosilicone pressure-sensitive adhesive layer. The mica tape provided by the utility model can improve the strength and corrosion resistance, and improve the chemical stability of the mica tape; in addition, the teflon surface has good lubricity to slip along the wire and cable skin. Finally, the teflon is good in insulation and high-temperature-resistant performance, and after the teflon is integrated with the mica tape, two processes in traditional wire wrapping can be completed at a time; the teflon film does not need wrapping separately; and the working procedures are reduced, and the wire and cable production efficiency is improved.
Description
Technical field
The utility model relates to electric wire field, more particularly, relates to a kind of mica tape.
Background technology
It is main material that mica belt copies by synthetic mica the mica paper of making, then with adhesive, glass cloth is sticked on to one or both sides and make.Glass cloth is sticked on to be called " one-side band " of mica paper one side, all paste on two sides is " double-sided belt ".In manufacture process, after several layer of structure are bonded together, then dry through stove, then rolling, then cut into the belt of different size.
In electric wire, mica tape is often used as insulation and flame retardant coating at present, a kind of wire cable insulating material that protection electric wire can normally be used when high temperature and breaking out of fire.But various mica tapes not resistance to slippage except having insulation, fire resistance that existing market is sold, when electric wire rotates, easily sprains the metal in cable.The material that all can be wound around easy glide at present in electric wire improves the resistance to slip property between electric wire skin and mica tape.But the slippage meeting between electric wire skin and mica tape makes electric wire be difficult for stretching exhibition.
Utility model content
In view of this, the utility model provides a kind of can have fire protecting performance, not only there is resistance to slip property but also can improve corrosion-resistant, the mica tape that intensity is high.
In order to achieve the above object, the utility model provides following technical scheme:
A mica tape, comprises according to order from top to bottom: mica paper, tack coat, alkali-free glass cloth, also comprise polytetrafluoroethylene film, and by organic pressure-sensitive gel layer, be bonded in described mica paper surface.
Preferably, two surfaces of described polytetrafluoroethylene film have a surface at least for the surface through corrosion treatment.
The mica tape that the utility model provides comprises polytetrafluoroethylene film, can either improve intensity and corrosion resistance, has improved again the chemical stability of mica tape, and in addition, ptfe surface has good lubrification, can carry out slippage with electric wire skin.Last polytetrafluoroethylene has good insulation, resistance to elevated temperatures, while forming whole rear envelope curve with mica tape, can once complete traditional two procedures, does not need to wrap separately polytetrafluoroethylene film again.Save operation, improved the production efficiency of electric wire.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The mica tape layer structure schematic diagram that Fig. 1 provides for the utility model embodiment;
Embodiment
The utility model discloses and a kind ofly can there is fire protecting performance, not only there is resistance to slip property but also can improve corrosion-resistant, the mica tape that intensity is high.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out to clear, complete description, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The disclosed mica tape of the utility model comprises according to order from top to bottom: mica paper, tack coat, alkali-free glass cloth, also comprise polytetrafluoroethylene film, and by the first organic pressure-sensitive gel layer, be bonded in described mica paper surface;
Described mica paper is for to adsorb by electrostatic field the mica paper that mica powder obtains.
As shown in Figure 1, the mica tape providing for the utility model, comprise: polytetrafluoroethylene film 1, organic pressure-sensitive gel layer 2, mica paper 3, tack coat 4, alkali-free glass cloth 5. wherein polytetrafluoroethylene film 1 are a kind of a series of good serviceabilities that have: 200～260 ℃ of high temperature resistant-long-term serviceability temperatures, low temperature resistant-still soft when-100 spend; Corrosion-resistant-ability chloroazotic acid and all organic solvents; The aging life-span of the best in weather-plastics; The high coefficient of friction (0.04) with minimum in plastics; Viscosity-have minimum surface tension and do not adhere to any material in solid material not; Nonhazardous-have physiology inertia; Excellent electric property, is desirable C class F insulating material F, and one deck that newspaper is thick just can stop the high pressure of 1500V; Also more smooth than ice.
According to the utility model, use polytetrafluoroethylene as antiskid parts, can play good antiskid effect, in addition, because the lubrification of polytetrafluoroethylene itself is fine, surface can be low, so general binding agent cannot make polytetrafluoroethylene bonding completely, so at organic pressure-sensitive gel bond polytetrafluoroethylene film and described mica paper for needs.And when bonding, preferably one side wherein to be corroded to the structure of deface.The utility model is preferably used sodium-naphthalene-tetrahydrofuran solution or sodium-naphthalene-glycol dimethyl ether corrosion surface, the surface that increases polytetrafluoroethylene film can, on the film being corroded described in organic pressure-sensitive gel can be attached to, thus can polytetrafluoroethylene film and described mica paper bonding is firm.And organic pressure-sensitive gel and polytetrafluoroethylene film be all flexible material, can be curling, be all also exotic material.
The mica paper that the utility model provides is the conventional mica paper in this area, can be synthetic mica paper, by artificial synthetic mica on without latitude cloth by boning or disperseing to obtain, or phlogopite paper or muscovite paper.
The binding agent that the tack coat that the utility model provides is used is epoxy resin, modified polyester resin, organic siliconresin or diphenyl ether, more selects organic pressure-sensitive gel or epoxy resin.
The alkali-free glass cloth that the utility model provides plays humidification, can effectively protect the metal wire in cable.
The mica tape that the utility model provides comprises polytetrafluoroethylene film, can either improve intensity and corrosion resistance, has improved again the chemical stability of mica tape, and in addition, ptfe surface has good lubrification, can carry out slippage with electric wire skin.Last polytetrafluoroethylene has good insulation, resistance to elevated temperatures, while forming whole rear envelope curve with mica tape, can once complete traditional two procedures, does not need to wrap separately polytetrafluoroethylene film again.Save operation, improved the production efficiency of electric wire.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. a mica tape, comprises according to order from top to bottom: mica paper, tack coat, alkali-free glass cloth, it is characterized in that, and also comprise polytetrafluoroethylene film, by organic pressure-sensitive gel layer, be bonded in described mica paper upper surface.
2. mica tape according to claim 1, is characterized in that, two surfaces of described polytetrafluoroethylene film have a surface at least for the surface through corrosion treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654334.1U CN203535974U (en) | 2013-10-23 | 2013-10-23 | Mica tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654334.1U CN203535974U (en) | 2013-10-23 | 2013-10-23 | Mica tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203535974U true CN203535974U (en) | 2014-04-09 |
Family
ID=50422156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320654334.1U Expired - Fee Related CN203535974U (en) | 2013-10-23 | 2013-10-23 | Mica tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203535974U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985446A (en) * | 2014-06-07 | 2014-08-13 | 吴俊� | Lightning protection composite cable |
| CN106782762A (en) * | 2016-12-29 | 2017-05-31 | 盐城工学院 | A kind of one side composite mica tape |
| CN108832746A (en) * | 2018-09-05 | 2018-11-16 | 中国长江动力集团有限公司 | Turn-to-turn insulation single-turn circular coil and rotor windings |
-
2013
- 2013-10-23 CN CN201320654334.1U patent/CN203535974U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985446A (en) * | 2014-06-07 | 2014-08-13 | 吴俊� | Lightning protection composite cable |
| CN103985446B (en) * | 2014-06-07 | 2016-09-07 | 国网山东省电力公司沂水县供电公司 | Anti-lightning strike composite cable |
| CN106782762A (en) * | 2016-12-29 | 2017-05-31 | 盐城工学院 | A kind of one side composite mica tape |
| CN108832746A (en) * | 2018-09-05 | 2018-11-16 | 中国长江动力集团有限公司 | Turn-to-turn insulation single-turn circular coil and rotor windings |
| CN108832746B (en) * | 2018-09-05 | 2024-01-26 | 中国长江动力集团有限公司 | Inter-turn insulating single-turn coil and rotor winding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20151023 |
|
| EXPY | Termination of patent right or utility model |