CN202711729U - Polyfluortetraethylene microporous film for communication cable - Google Patents
Polyfluortetraethylene microporous film for communication cable Download PDFInfo
- Publication number
- CN202711729U CN202711729U CN 201220379984 CN201220379984U CN202711729U CN 202711729 U CN202711729 U CN 202711729U CN 201220379984 CN201220379984 CN 201220379984 CN 201220379984 U CN201220379984 U CN 201220379984U CN 202711729 U CN202711729 U CN 202711729U
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- CN
- China
- Prior art keywords
- communication cable
- telecommunication cable
- microporous teflon
- microporous film
- teflon membran
- 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.)
- Expired - Lifetime
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Abstract
A polyfluortetraethylene microporous film for a communication cable is characterized in that the continuous length of the polyfluortetraethylene microporous film for the communication cable is 50-3000 m, the thickness is 50-150 mum, the thickness deviation is +-3 mum, the density is 0.65-1 g/cm<3>, the density deviation is +-0.035 g/cm<3>, the pore diameter is 0.1-5.00 mum, the poriness is 50-80%, the tensile strength in the radial direction is at least 17 MPa, and the tensile strength in the weft direction is at least 2 MPa. The polyfluortetraethylene microporous film for the communication cable of the utility model has a good comprehensive performance, has an excellent electrical insulating property, high-frequency performance, voltage withstanding, high and low temperature resistance and aging resistance, especially has a low dielectric constant and a low dielectric loss tangent value, is not susceptible to the frequency and temperature variation at the same time, effectively reduces attenuation and loss characteristics of signal transmission, and substantially improves the speed of the signal transmission. In addition, the prepared communication cable has good flexibility, good moistureproof performance, and can be used for a long time under the temperature of -65 DEG C to 260 DEG C. The polyfluortetraethylene microporous film for the communication cable of the utility model is applicable to the communication cable.
Description
Technical field
The utility model relates to a kind of telecommunication cable, particularly relates to a kind of telecommunication cable microporous teflon membran.
Background technology
The insulating barrier that traditional telecommunication cable often adopts mostly is greatly tubular body; reason owing to shape and material; in actual use; usually can occur wearing out, not corrosion-resistant, non-uniform temperature; easily produce the crack; make simultaneously telecommunication cable meet with signal attenuation, through-put power descends, and has had a strong impact on the transmission of signal system.Along with the development of telecommunications, the demand of telecommunication cable is constantly soaring, and also more and more higher to the requirement of telecommunication cable, and for this reason, the supporting new product that must continually develop telecommunication cable is with immediately following the market paces, and satisfies the demands.
Summary of the invention
The purpose of this utility model is that a kind of telecommunication cable microporous teflon membran will be provided, and it not only can give full play to the good characteristic that polytetrafluoroethylene has, and in addition also can reduce cable signal transmission attenuation and loss.
The utility model proposes to achieve the above object following design: telecommunication cable of the present utility model is 50-3000m with the continuous length of microporous teflon membran, thickness is 50-150 μ m, the aperture is 0.1-5.00 μ m, and porosity is 50-80%, and density is 0.65-1g/cm
3, tensile strength is 17MPa at least radially, broadwise is 2MPa at least.
Described telecommunication cable is ± 3 μ m with the thickness deviation of microporous teflon membran.
Described telecommunication cable with the density tolerance of microporous teflon membran is ± 0.035g/cm
3
Described telecommunication cable is 50-1000m with the continuous length length of microporous teflon membran.
Described telecommunication cable is 1000-2000m with the continuous length length of microporous teflon membran.
Described telecommunication cable is 2000-3000m with the continuous length length of microporous teflon membran.
Telecommunication cable of the present utility model by being heat-treated to splitting winding through batching, preliminary treatment, preforming, pushing, stretching-inferior heat treatment, secondary typing, makes the telecommunication cable microporous teflon membran with microporous teflon membran at last.
Telecommunication cable of the present utility model is that continuous length is 50-3000m with the continuous length length of microporous teflon membran, and thickness is 50-150 μ m, and thickness deviation is ± 3 μ m, and density is 0.65-1g/cm
3, the density tolerance is ± 0.035g/cm
3, the aperture is 2-3 μ m, and porosity is 50-80%, and tensile strength is 17MPa at least radially, and broadwise is 2MPa at least.
Telecommunication cable of the present utility model is with the combination property of microporous teflon membran and have good electric insulating properties, high frequency performance, proof voltage, high-low temperature resistant and ageing-resistant, particularly also have very low dielectric constant and dielectric loss angle tangent, be not subjected to simultaneously the variable effect of frequency and temperature, decay and the loss characteristic of signal transmission have effectively been reduced, signal strength signal intensity is the strongest can to reach 70G, greatly improved the speed of signal transmission, in addition, the telecommunication cable flexibility that makes is good, humidity resistance is good, uses for a long time-65 ℃ of-260 ℃ of temperature ranges.
In brief, telecommunication cable microporous teflon membran of the present utility model provides highly desirable material for the insulating barrier of telecommunication cable.
Telecommunication cable of the present utility model is suitable for telecommunication cable with microporous teflon membran and uses.
Description of drawings
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is the schematic diagram that telecommunication cable of the present utility model is used microporous teflon membran.
Embodiment
Below with reference to accompanying drawing telecommunication cable of the present utility model is described in further detail with microporous teflon membran.
Referring to Fig. 1, the telecommunication cable of this utility model is 50-3000m with the continuous length of microporous teflon membran 1.
Described telecommunication cable also can be 50-1000m with the continuous length of microporous teflon membran 1.
Described telecommunication cable also can be 1000-2000m with the continuous length of microporous teflon membran 1.
Described telecommunication cable can be 2000-3000m again with the continuous length of microporous teflon membran 1.
Described telecommunication cable is 50-150 μ m with the thickness of microporous teflon membran 1, and thickness deviation is ± 3 μ m.
Described telecommunication cable is 0.65-1g/cm with the density of microporous teflon membran 1
3, the density tolerance is ± 0.035g/cm
3
Described telecommunication cable is 0.1-5.00 μ m with the aperture of microporous teflon membran 1, and porosity is 50-80%, and the described telecommunication cable in the present embodiment is 2-3 μ m with the aperture of microporous teflon membran 1.
Described telecommunication cable is 17MPa at least radially with the tensile strength of microporous teflon membran 1, and broadwise is 2MPa at least.
Claims (6)
1. telecommunication cable microporous teflon membran, it is characterized in that described telecommunication cable is 50-3000m with the continuous length of microporous teflon membran (1), thickness is 50-150 μ m, and the aperture is 0.1-5.00 μ m, porosity is 50-80%, and density is 0.65-1g/cm
3, tensile strength is 17MPa at least radially, broadwise is 2MPa at least.
2. a kind of telecommunication cable microporous teflon membran according to claim 1 is characterized in that described telecommunication cable is ± 3 μ m with the thickness deviation of microporous teflon membran (1).
3. a kind of telecommunication cable microporous teflon membran according to claim 1 is characterized in that described telecommunication cable with the density tolerance of microporous teflon membran (1) is ± 0.035g/cm
3
4. according to claim 1 and 2 or 3 described a kind of telecommunication cable microporous teflon membrans, it is characterized in that described telecommunication cable is 50-1000m with the continuous length of microporous teflon membran (1) is long.
5. according to claim 1 and 2 or 3 described a kind of telecommunication cable microporous teflon membrans, it is characterized in that described telecommunication cable is 1000-2000m with the continuous length of microporous teflon membran (1) is long.
6. according to claim 1 and 2 or 3 described a kind of telecommunication cable microporous teflon membrans, it is characterized in that described telecommunication cable is 2000-3000m with the continuous length of microporous teflon membran (1) is long.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220379984 CN202711729U (en) | 2012-08-02 | 2012-08-02 | Polyfluortetraethylene microporous film for communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220379984 CN202711729U (en) | 2012-08-02 | 2012-08-02 | Polyfluortetraethylene microporous film for communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202711729U true CN202711729U (en) | 2013-01-30 |
Family
ID=47592009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220379984 Expired - Lifetime CN202711729U (en) | 2012-08-02 | 2012-08-02 | Polyfluortetraethylene microporous film for communication cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202711729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219086A (en) * | 2012-08-02 | 2013-07-24 | 上海市凌桥环保设备厂有限公司 | Teflon microporous film used for telecommunication cable |
-
2012
- 2012-08-02 CN CN 201220379984 patent/CN202711729U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219086A (en) * | 2012-08-02 | 2013-07-24 | 上海市凌桥环保设备厂有限公司 | Teflon microporous film used for telecommunication cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |