CN102360096A - High temperature resistant fiber and processing technology thereof - Google Patents
High temperature resistant fiber and processing technology thereof Download PDFInfo
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- CN102360096A CN102360096A CN2011103045072A CN201110304507A CN102360096A CN 102360096 A CN102360096 A CN 102360096A CN 2011103045072 A CN2011103045072 A CN 2011103045072A CN 201110304507 A CN201110304507 A CN 201110304507A CN 102360096 A CN102360096 A CN 102360096A
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- temperature resistant
- optical fiber
- coating
- resistant optical
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- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses a high temperature resistant fiber and a processing technology thereof. The high temperature resistant fiber comprises a fiber core, a cladding layer and coating layers. And the high temperature resistant fiber employs double-layer coating layers and an ultraviolet solidification process is utilized. Besides, according to the processing technology of the high temperature resistant fiber, the following steps of a wire drawing process, annealing processing, a cooling process, a dual-coating process, and a solidification process are carried out for processing. Moreover, according to the invention, a dual-coating process and an ultraviolet solidification process are employed; therefore, attenuation of a fiber can be reduced; the high temperature resistant fiber can be used in the severe environment; and a mechanical performance and a high-temperature resistant performance of the fiber are enhanced.
Description
Technical field
The present invention relates to a kind of optical fiber, be specifically related to a kind of high-temperature resistant optical fiber, relate to the processing technology of high-temperature resistant optical fiber simultaneously.
Background technology
Along with development of fiber technology, the range of application of optical fiber is more and more wider, comprises various rugged environments; This just improves the machinery of optical fiber, the requirement of resistance to elevated temperatures gradually; Existing high-temperature resistant optical fiber all adopts polyimide as outer layer coating, uses the heat curing mode, exists than big-difference with the ultraviolet light polymerization of present ordinary optic fibre; And curing rate is slow, and the mechanical property of optical fiber and resistance to elevated temperatures can not satisfy application demand gradually.
Summary of the invention
Goal of the invention: the objective of the invention is provides a kind of high-temperature resistant optical fiber in order to solve the deficiency of prior art, another object of the present invention is to provide a kind of processing technology of high-temperature resistant optical fiber.
Technical scheme: for achieving the above object, the invention provides a kind of high-temperature resistant optical fiber, comprise fibre core, covering and coat, said high-temperature resistant optical fiber adopts the double-coated coating, and said high-temperature resistant optical fiber adopts ultraviolet light polymerization.
As optimization, the ground floor coat of said double-coated coating is the ordinary optic fibre dope layer, and second layer coat is the modified polyimide dope layer.
The processing technology of above-mentioned high-temperature resistant optical fiber may further comprise the steps:
(1) adopt high-temperature smelting pot to carry out wire drawing, temperature is controlled at 1800 ~ 2000 ℃;
(2) carry out annealing in process after wire drawing is come out of the stove,, get into and force cooling again through the natural cooling space of 3 ~ 5m;
(3) adopt ordinary optic fibre coating that optical fiber is carried out precoating, adopt ultraviolet light to carry out precuring again;
(4) secondary adopts modified polyimide coating to apply, and passes through ultraviolet light polymerization again;
(5) adopt take-up that optical fiber is produced around accomplishing to fiber reel at last.
Beneficial effect: high-temperature resistant optical fiber of the present invention, adopt double-deck the coating and ultraviolet light polymerization, can reduce the decay of optical fiber; Improve the resistance to elevated temperatures of optical fiber; The processing technology of high-temperature resistant optical fiber, produce can anti-300 ℃ of high temperature optical fiber, satisfy under rugged surroundings and use; Decay (1310nm ≦ 0.5db/km), improve the mechanical property and the resistance to elevated temperatures of optical fiber.
Embodiment
A kind of high-temperature resistant optical fiber of the present invention comprises fibre core, covering and coat, and said high-temperature resistant optical fiber adopts
The double-coated coating, said high-temperature resistant optical fiber adopts ultraviolet light polymerization.The ground floor coat of said double-coated coating is the ordinary optic fibre dope layer, and second layer coat is the modified polyimide dope layer.
The processing technology of high-temperature resistant optical fiber of the present invention may further comprise the steps:
(1) adopt high-temperature smelting pot to carry out wire drawing, temperature is controlled at 1800 ~ 2000 ℃;
(2) carry out annealing in process after wire drawing is come out of the stove, reduce the 1310nm decay of optical fiber,, get into and force cooling, so that make optical fiber reach the temperature requirement of coating again through the natural cooling space of 3 ~ 5m;
(3) adopt ordinary optic fibre coating that optical fiber is carried out precoating, adopt ultraviolet light to carry out precuring again;
(4) secondary adopts modified polyimide coating to apply, and passes through ultraviolet light polymerization again;
(5) adopt take-up that optical fiber is produced around accomplishing to fiber reel at last.
Through high-temperature circulation test, the resistance to elevated temperatures of measuring fiber, through 300 ℃ of condition held, (1310nm ≦ 0.5db/km) is with similar high-temperature resistant optical fiber decay (1310nm ≦ 1.5db/km) for fatigue of measuring fiber (ND=22) and decay.
Claims (3)
1. a high-temperature resistant optical fiber comprises fibre core, covering and coat, it is characterized in that: said high-temperature resistant optical fiber adopts the double-coated coating, and said high-temperature resistant optical fiber adopts ultraviolet light polymerization.
2. high-temperature resistant optical fiber according to claim 1 is characterized in that: the ground floor coat of said double-coated coating is the ordinary optic fibre dope layer, and second layer coat is the modified polyimide dope layer.
3. the processing technology of a high-temperature resistant optical fiber as claimed in claim 1 is characterized in that: may further comprise the steps:
(1) adopt high-temperature smelting pot to carry out wire drawing, temperature is controlled at 1800 ~ 2000 ℃;
(2) carry out annealing in process after wire drawing is come out of the stove,, get into and force cooling again through the natural cooling space of 3 ~ 5m;
(3) adopt ordinary optic fibre coating that optical fiber is carried out precoating, adopt ultraviolet light to carry out precuring again;
(4) secondary adopts modified polyimide coating to apply, and passes through ultraviolet light polymerization again;
(5) adopt take-up that optical fiber is produced around accomplishing to fiber reel at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103045072A CN102360096A (en) | 2011-10-10 | 2011-10-10 | High temperature resistant fiber and processing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103045072A CN102360096A (en) | 2011-10-10 | 2011-10-10 | High temperature resistant fiber and processing technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102360096A true CN102360096A (en) | 2012-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103045072A Pending CN102360096A (en) | 2011-10-10 | 2011-10-10 | High temperature resistant fiber and processing technology thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102360096A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103699159A (en) * | 2013-12-17 | 2014-04-02 | 中天科技光纤有限公司 | Automatic control device and control method for ultraviolet light intensity of optical fiber |
| CN104950380A (en) * | 2015-06-11 | 2015-09-30 | 中国化学纤维工业协会 | Optical fiber |
| CN109180023A (en) * | 2018-08-31 | 2019-01-11 | 江苏亨通光纤科技有限公司 | A kind of high-temperature resistant optical fiber and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6711335B1 (en) * | 1999-06-11 | 2004-03-23 | Sumitomo Electric Industries, Ltd. | Heat resistant optical fiber core |
| US20050135763A1 (en) * | 2003-12-17 | 2005-06-23 | Gary Drenzek | Optical fiber with a mechanically strippable coating and methods of making the same |
| CN101726792A (en) * | 2009-12-15 | 2010-06-09 | 长飞光纤光缆有限公司 | High-temperature resistant optical fiber and method for manufacturing same |
| WO2011106231A1 (en) * | 2010-02-24 | 2011-09-01 | Corning Incorporated | Dual coated optical fibers and methods for forming the same |
-
2011
- 2011-10-10 CN CN2011103045072A patent/CN102360096A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6711335B1 (en) * | 1999-06-11 | 2004-03-23 | Sumitomo Electric Industries, Ltd. | Heat resistant optical fiber core |
| US20050135763A1 (en) * | 2003-12-17 | 2005-06-23 | Gary Drenzek | Optical fiber with a mechanically strippable coating and methods of making the same |
| CN101726792A (en) * | 2009-12-15 | 2010-06-09 | 长飞光纤光缆有限公司 | High-temperature resistant optical fiber and method for manufacturing same |
| WO2011106231A1 (en) * | 2010-02-24 | 2011-09-01 | Corning Incorporated | Dual coated optical fibers and methods for forming the same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103699159A (en) * | 2013-12-17 | 2014-04-02 | 中天科技光纤有限公司 | Automatic control device and control method for ultraviolet light intensity of optical fiber |
| CN103699159B (en) * | 2013-12-17 | 2017-01-04 | 中天科技光纤有限公司 | A kind of ultraviolet light intensity of optical fiber automaton and control method thereof |
| CN104950380A (en) * | 2015-06-11 | 2015-09-30 | 中国化学纤维工业协会 | Optical fiber |
| CN104950380B (en) * | 2015-06-11 | 2019-04-23 | 中国化学纤维工业协会 | A kind of optical fiber |
| CN109180023A (en) * | 2018-08-31 | 2019-01-11 | 江苏亨通光纤科技有限公司 | A kind of high-temperature resistant optical fiber and preparation method thereof |
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Application publication date: 20120222 |