CN202421535U - High temperature-resistant 260 DEG C tightly-buffered fiber - Google Patents
High temperature-resistant 260 DEG C tightly-buffered fiber Download PDFInfo
- Publication number
- CN202421535U CN202421535U CN 201220004938 CN201220004938U CN202421535U CN 202421535 U CN202421535 U CN 202421535U CN 201220004938 CN201220004938 CN 201220004938 CN 201220004938 U CN201220004938 U CN 201220004938U CN 202421535 U CN202421535 U CN 202421535U
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- high temperature
- hard
- coating layer
- resistance
- pressed bale
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Abstract
The utility model provides a high temperature-resistant 260 DEG C tightly-buffered fiber, which is characterized in that a coating layer is arranged on the periphery of a fiber core; and a tight coating layer is arranged on the periphery of the coating layer. According to a manufacturing process, the fiber core of the fiber is divided into a single-mode fiber core and a multi-mode fiber core. According to the typical specification, a single-mode structure has a specification of 9/125 microns, and a multi-mode structure has a specification of 50/125 microns or 62.5/125 microns. The coating layer is coated with polyimide, wherein the temperature resistance grade of the polyimide is in a range from minus 65 DEG C to 260 DEG C; an external diameter of the coating layer is 155 microns; and the tightly-buffered fiber is normally arranged in a laying manner at a temperature of minus 65 DEG C due to the coating layer. The tight coating layer is made of a polyfluoroalkoxy material PFA (polyfluoroalkoxy) extruded by a thin wall of a high-temperature plastic extruder; and the tight coating layer has high-temperature resistance of 260 DEG C. The high temperature-resistant 260 DEG C tightly-buffered fiber provided by the utility model has the characteristics of high-low temperature resistance of minus 65 DEG C to 260 DEG C, high intensity, bend resistance, impact resistance, aging resistance, long service life, corrosion resistance, flam resistance and the like. And the high temperature-resistant 260 DEG C tightly-buffered fiber is suitable for high-speed signal transmission in an aerospace, electronic and onboard special environment conditions.
Description
Technical field
The utility model is high temperature resistant 260 ℃ of tightly packaged fibers; Product has high-low temperature resistant-65 ℃～+ 260 ℃, high strength, anti-bending, shock resistance, ageing-resistant, long-life, characteristic such as corrosion-resistant, fire-retardant; Can highly reliable service be provided under rugged environment, be applicable to the high speed transmission of signals under Aero-Space, electronics, the airborne special environment condition.
Background technology
At present, common civilian field fiber, the producer of domestic production is a lot, and technical merit is also very ripe.But the application at military domain optical fiber also is in the initial stage developing stage.Main cause is that military optical fiber is had relatively high expectations, and not only requires good environment and mechanical property, like specific (special) requirements such as high-low temperature resistant, high strength, shock resistance, anti-bending, long-lives.So material that military optical fiber, optical cable are selected for use and manufacturing process and conventional civilian goods have very big difference.High temperature resistant 260 ℃ of tightly packaged fibers are considered the application requirements of military products just, take into full account its applicability and security, take into full account high low temperature, high strength, anti-bending, shock resistance, ageing-resistant, long-life, special environment for use requirement such as corrosion-resistant, fire-retardant.
Summary of the invention
What the utility model proposed is a kind of high temperature resistant 260 ℃ of tightly packaged fibers, and the fiber core coat adopts polyimide coated, has improved heat resistance than ordinary optic fibre fibre core, and heatproof reaches 260 ℃; The hard-pressed bale sheath adopts soluble poly tetrafluoroethene PFA; Adopt the individual layer thin-walled to extrude and extrude two kinds of structures with double-layer thin wall; Improved the high and low temperature resistance-65 ℃ of tightly packaged fiber～+ 260 ℃, adopted soluble poly tetrafluoroethene PFA sheath, mechanical property and environmental resistance be raising greatly also.
The technical solution of the utility model: the periphery that it is characterized in that fibre core is the polyimide coated layer that applies with coating equipment; The periphery of polyimide coated layer is to adopt the hard-pressed bale of the solubility polytetrafluoroethylmaterial material PFA that high temperature extruding machine individual layer thin-walled extrudes outer; Fiber core divides single mode and multimode, and typical specification has: single mode structure 9/125 μ m, multi-mode structure 50/125 μ m or 62.5/125 μ m; The polyimide temperature resistant grade is-65 ℃～+ 260 ℃, and the coat external diameter is 155 μ m, outer high temperature resistant 260 ℃ of hard-pressed bale.
The utlity model has following advantage: 1) high temperature resistant: coat adopts polyimide coated, and the hard-pressed bale sheath adopts soluble poly tetrafluoroethene PFA, and long-term maximum operating temperature can reach+and 260 ℃.2) low temperature resistant: coat adopts polyimide coated; The hard-pressed bale sheath adopts soluble poly tetrafluoroethene PFA; Make tightly packaged fiber descend normal laying installations at-65 ℃; Can solve general material because low temperature lays problems such as being prone to cause sclerosis, embrittlement, thereby satisfy the request for utilization of low temperature environment.3) high strength: the hard-pressed bale sheath adopts soluble poly tetrafluoroethene PFA, has improved the mechanical property of tightly packaged fiber, compares stretching resistance with the common tightly packaged fiber of normal temperature and improves greatly.4) high flame retardant, ageing-resistant, long-life, corrosion-resistant: adopt soluble poly tetrafluoroethene PFA hard-pressed bale sheath, this kind material has very high fire resistance, ageing-resistant, long-life and decay resistance.5) stability: adopt soluble poly tetrafluoroethene PFA hard-pressed bale sheath, with fibre core adhesion is preferably arranged, the structure rounding is stable, and optical property is stable.
Description of drawings
Accompanying drawing 1 is the structural representation of ф 600 μ m tightly packaged fibers.
Accompanying drawing 2 is structural representations of ф 900 μ m tightly packaged fibers.
Among the figure 1 is fibre core; The 2nd, the polyimide coated layer; The 3rd, the hard-pressed bale internal layer; The 4th, hard-pressed bale is outer.
Embodiment
Its preparation technology, fiber core divides single mode and multimode, and typical specification has: single mode structure 9/125 μ m, multi-mode structure 50/125 μ m or 62.5/125 μ m; Coat is used the coating equipment coating polyimide, and the polyimide temperature resistant grade is-65 ℃～+ 260 ℃, and the coat external diameter is 155 μ m, and coat makes tightly packaged fiber-65 ℃ of normal laying installations down; The hard-pressed bale skin is the solubility polytetrafluoroethylmaterial material PFA that adopts high temperature extruding machine individual layer thin-walled to extrude, outer high temperature resistant 260 ℃ of hard-pressed bale.
Its preparation technology, fiber core divides single mode and multimode, and typical specification has: single mode structure 9/125 μ m, multi-mode structure 50/125 μ m or 62.5/125 μ m; Coat is used the coating equipment coating polyimide, and the polyimide temperature resistant grade is-65 ℃～+ 200 ℃, and the coat external diameter is 155 μ m, and coat makes tightly packaged fiber-65 ℃ of normal laying installations down; Hard-pressed bale internal layer 3, hard-pressed bale outer 4 is the solubility polytetrafluoroethylmaterial material PFA that adopt high temperature extruding machine double-layer thin wall to extrude, hard-pressed bale internal layer 3, hard-pressed bale outer 4 high temperature resistant 260 ℃.
Claims (2)
1. high temperature resistant 260 ℃ of tightly packaged fibers, the periphery that it is characterized in that fibre core are the polyimide coated layers that applies with coating equipment; The periphery of polyimide coated layer is to adopt the hard-pressed bale of the solubility polytetrafluoroethylmaterial material (PFA) that high temperature extruding machine individual layer thin-walled extrudes outer; Fiber core divides single mode and multimode, and typical specification has: single mode structure 9/125 μ m, multi-mode structure 50/125 μ m or 62.5/125 μ m; The polyimide temperature resistant grade is-65 ℃～+ 260 ℃, and the coat external diameter is 155 μ m, outer high temperature resistant 260 ℃ of hard-pressed bale.
2. high temperature resistant 260 ℃ of tightly packaged fibers according to claim 1; The periphery that it is characterized in that the polyimide coated layer is the hard-pressed bale internal layer that solubility polytetrafluoroethylmaterial material (PFA) adopts high temperature extruding machine double-layer thin wall to extrude, and the periphery of hard-pressed bale internal layer is the hard-pressed bale skin that solubility polytetrafluoroethylmaterial material (PFA) adopts high temperature extruding machine double-layer thin wall to extrude; Outer high temperature resistant 260 ℃ of hard-pressed bale internal layer, hard-pressed bale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220004938 CN202421535U (en) | 2012-01-09 | 2012-01-09 | High temperature-resistant 260 DEG C tightly-buffered fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220004938 CN202421535U (en) | 2012-01-09 | 2012-01-09 | High temperature-resistant 260 DEG C tightly-buffered fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421535U true CN202421535U (en) | 2012-09-05 |
Family
ID=46746284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220004938 Expired - Lifetime CN202421535U (en) | 2012-01-09 | 2012-01-09 | High temperature-resistant 260 DEG C tightly-buffered fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520476A (en) * | 2012-01-09 | 2012-06-27 | 南京全信传输科技股份有限公司 | High-temperature 260 DEG C resistant tightly-packaged fiber and preparation process thereof |
| CN109358393A (en) * | 2018-11-22 | 2019-02-19 | 中山市美速光电技术有限公司 | A kind of high-temperature resistant optical fiber array and its manufacturing method |
-
2012
- 2012-01-09 CN CN 201220004938 patent/CN202421535U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520476A (en) * | 2012-01-09 | 2012-06-27 | 南京全信传输科技股份有限公司 | High-temperature 260 DEG C resistant tightly-packaged fiber and preparation process thereof |
| CN109358393A (en) * | 2018-11-22 | 2019-02-19 | 中山市美速光电技术有限公司 | A kind of high-temperature resistant optical fiber array and its manufacturing method |
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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: 20120905 |