CN110456447A - A kind of waterproof fireproofing optical fiber and preparation method thereof and lighting system using the optical fiber - Google Patents
A kind of waterproof fireproofing optical fiber and preparation method thereof and lighting system using the optical fiber Download PDFInfo
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- CN110456447A CN110456447A CN201910761035.XA CN201910761035A CN110456447A CN 110456447 A CN110456447 A CN 110456447A CN 201910761035 A CN201910761035 A CN 201910761035A CN 110456447 A CN110456447 A CN 110456447A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/022—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from molten glass in which the resultant product consists of different sorts of glass or is characterised by shape, e.g. hollow fibres, undulated fibres, fibres presenting a rough surface
- C03B37/023—Fibres composed of different sorts of glass, e.g. glass optical fibres, made by the double crucible technique
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/045—Silica-containing oxide glass compositions
- C03C13/046—Multicomponent glass compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/104—Coating to obtain optical fibres
- C03C25/1065—Multiple coatings
- C03C25/109—Multiple coatings with at least one organic coating and at least one inorganic coating
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/42—Coatings containing inorganic materials
- C03C25/44—Carbon, e.g. graphite
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/48—Coating with two or more coatings having different compositions
- C03C25/54—Combinations of one or more coatings containing organic materials only with one or more coatings containing inorganic materials only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03694—Multiple layers differing in properties other than the refractive index, e.g. attenuation, diffusion, stress properties
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- Optics & Photonics (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of waterproof fireproofing optical fiber and preparation method thereof and using the lighting system of the optical fiber, lanthanum element is adulterated in fiber-optic core material, enhance the expansion character resistant to high temperatures of material entirety, later in the modified graphene layer of optical fiber surface coated by hydrophobic, its waterproof performance is promoted, optical fiber can be used under extreme conditions, widens its application range, and the easy easily manipulation of preparation process, is convenient for extensive sound field；And the present invention also provides the lighting systems for using the optical fiber to prepare, it waits when in use, monochromatic light is emitted by light source, monochromatic light is transmitted, and carries out light needed for being mixed into illumination at terminal later, and monochromatic optical transport greatly reduces the loss in mixing optical transmission process, not only reducing light source power reduces energy consumption, and optical transmission distance is improved, and it achieves remote way and transmits, application value with higher.
Description
Technical field
The present invention relates to experiment and detection device and detection technique field more particularly to a kind of fast verification scavenging materials point
Solve the experimental provision and its application method of performance.
Background technique
With industrialized fast development, the safety in production of every profession and trade also made rapid progress, due to bring in production process
Massive losses caused by hidden danger are that the production safety that people increasingly pay attention to high-risk industry, especially oil depot, mining area etc. are tight
Prohibit kindling material and enter interior dangerous situation, the Electrical Safety in workplace just at especially paying close attention to the problem of, such as lighting system shows
There is the lighting system in technology to be all made of fax and is directed at terminal illumination, it is careless slightly to lead to irremediable massive losses,
Therefore, the research of lighting safety comes into existence as the situation requires.
In view of the above-mentioned problems, occurring optical fibre illumination technology on the market at present, optical fibre illumination is a kind of special light conduction
Light source emitter is set to the place of principle dangerous area by mode, is transmitted to by the effects of light refraction in a fiber
Terminal illumination has accomplished photodetachment completely, and since its luminescence process does not generate heat, can safety be applied to high humility
The security performance of production is improved in the place of high-temperature.
But optical fibre illumination in the prior art mostly uses white light directly to transmit, white light is as colour mixture light in transmission process
Loss it is larger so that the transmission range of optical fibre illumination is shorter, be unable to satisfy more production requirements, and the transmission mode is necessary
The power of increase light source is invisible to increase energy consumption to meet the needs of terminal illumination, is unfavorable for actual production, and existing light
Fibre mostly uses ordinary optic fibre, does not have waterproof fireproofing performance, can not cope with the illumination of extreme environment, therefore, how to provide one kind
With waterproof fireproofing and can remote low energy consumption transmission optical fiber and optical fiber illuminating system, be that those skilled in the art are urgently to be resolved
The problem of.
Summary of the invention
In view of this, a kind of using modified optical fiber the present invention provides a kind of optical fiber of modification and by improving to provide
The lighting system of preparation, not only waterproof fireproofing, can also transmit at a distance.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of waterproof fireproofing optical fiber successively includes: modified fibre core, covering, coat and hydrophobic layer, institute by center to surface
130-160 μm of cladding diameter is stated, the coat is with a thickness of 0.25-0.4mm.
Further, the modified fibre core is Ge, Si composite material fibre core modified through lanthanum, and the covering (2) is quartz
Layer.
Further, the hydrophobic layer (4) is hydrophobically modified grapheme material.
The present invention also provides a kind of preparation methods of above-mentioned waterproof fireproofing optical fiber, comprising the following steps:
Step 1: the modification of graphene
Graphene oxide is dispersed in distilled water and is ultrasonically treated 2-3h, 80wt% hydrazine hydrate is added later and is warming up to
It is condensed back 22-24h after 93-97 DEG C of stirring 10-15min, dilute hydrochloric acid solution, 50-60 after filtration washing to neutrality are added later
DEG C drying, finally desciccate is uniformly mixed with hydrophobing agent be placed in Muffle furnace kept the temperature at 230-240 DEG C 1-1.5h to get
Modified graphene；
Step 2: the preparation of basic optical fiber
2.1) 1:5:1 weighs GeCl4, SiCl4, LaCl3 respectively in molar ratio, is warming up to three in gaseous mixture；
2.2) gaseous mixture in the step 2.1) is prepared to form prefabricated rods using MCVD method；
2.3) the step 2.2) prefabricated rods are placed in fiber drawing tower and carry out wire drawing, coat two on surface rapidly after wire drawing
Layer resin is to get basic optical fiber；
Step 3: basic optical fiber surface is modified
Modified graphene made from the step 1 is dispersed in distilled water and is prepared into modified graphene solution, later handle
Basis optical fiber made from the step 2 is soaked in the modified graphene solution and takes out after dipping 1-3h, is placed in 80-100 DEG C
Under the conditions of dry to get waterproof fireproofing optical fiber.
Preferably, the mass ratio of the hydrazine hydrate in the step 1 and graphene oxide is 1.6:100.
Preferably, the hydrophobing agent in the step 1 is dimethyl silicone polymer.
Preferably, the modified graphene solution concentration in the step 3 is 0.7wt%-1.0wt%.
The present invention also provides a kind of lighting systems of waterproof fireproofing optical fiber preparation using above method preparation, including according to
Secondary connection: light source, coupling device, optical fiber one, beam condensing unit, optical fiber two and terminal；
The light source is monochromatic source；The input terminal of the coupling device has condenser lens one, and the light source connects institute
State the input terminal of coupling device；The output end of the coupling device connects the input terminal of the optical fiber one, and the light source focuses thoroughly
Mirror one and optical fiber one correspond；The output end of the optical fiber one connects the input terminal of the beam condensing unit, the beam condensing unit
It is interior to be disposed with light-collecting prism and condenser lens two, the output end connection of the beam condensing unit by optical propagation direction by input terminal
The output end of the input terminal of the optical fiber two, the optical fiber two connects the terminal.
Further, the light-collecting prism is depolarization light-collecting prism.
Further, the terminal is lighting device.
As can be seen from the above technical solutions, compared with prior art, a kind of waterproof fireproofing optical fiber disclosed by the invention, in light
Lanthanum element is adulterated in fibre core material, enhances the expansion character resistant to high temperatures of material entirety, it is modified in optical fiber surface coated by hydrophobic later
Graphene layer afterwards promotes its waterproof performance, optical fiber can be used under extreme conditions, widens its application range, and prepare
Simple process easily manipulates, and is convenient for extensive sound field；And the present invention also provides the lighting systems for using the optical fiber to prepare, and make
With when, monochromatic light is emitted by light source, monochromatic light is transmitted, light needed for carrying out being mixed into illumination at terminal later, single
Coloured light transmission greatly reduces the loss in mixing optical transmission process, and not only reducing light source power reduces energy consumption, and is promoted
Optical transmission distance achieves remote way and transmits, application value with higher.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is a kind of waterproof fireproofing optical fiber structure figure of the present invention；
Fig. 2 attached drawing is a kind of waterproof fireproofing optical fiber illuminating system structure chart of the present invention；
In figure: 1, modified fibre core, 2, covering, 3, coat, 4, hydrophobic layer, 5, light source, 6, coupling device, 61, focus it is saturating
Mirror one, 7, optical fiber one, 8, beam condensing unit, 81, light-collecting prism, 82, condenser lens two, 9, optical fiber two, 10, terminal.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Fig. 1, a kind of waterproof fireproofing optical fiber successively includes: modified fibre core 1, covering 2, painting by center to surface
Coating 3 and hydrophobic layer 4,130-160 μm of cladding diameter, coat 3 is with a thickness of 0.25-0.4mm.
Wherein, the modified fibre core 1 is Ge, Si composite material fibre core modified through lanthanum, and covering 2 is quartz layer, hydrophobic layer
It (4) is hydrophobically modified grapheme material.
Preparation method includes the following steps:
Step 1: the modification of graphene
100g graphene oxide is dispersed in distilled water and is ultrasonically treated 2-3h, 2mL80wt% hydrazine hydrate is added later
It is condensed back 22-24h after being warming up to 93-97 DEG C of stirring 10-15min, the dilute hydrochloric acid solution of excessive 5mol/L is added later, it is raw
At filtration washing after precipitating to neutral 50-60 DEG C of drying, finally by desciccate and dimethyl silicone polymer with mass ratio 2:1's
Ratio, which is uniformly mixed to be placed in Muffle furnace, keeps the temperature 1-1.5h at 230-240 DEG C to get modified graphene；
Step 2: the preparation of basic optical fiber
2.1) 1:5:1 weighs GeCl respectively in molar ratio4、SiCl4、LaCl3, three is warming up in gaseous mixture；
2.2) gaseous mixture in the step 2.1) is prepared to form prefabricated rods using MCVD method；
2.3) the step 2.2) prefabricated rods are placed in fiber drawing tower and carry out wire drawing, coat two on surface rapidly after wire drawing
Layer resin is to get basic optical fiber；
Step 3: basic optical fiber surface is modified
It is 0.7wt%-1.0wt% that modified graphene made from the step 1, which is dispersed in distilled water, and is prepared into concentration
Modified graphene solution, basis optical fiber made from the step 2 is soaked in the modified graphene solution impregnates later
It takes out after 1-3h, dries under the conditions of being placed in 80-100 DEG C to get waterproof fireproofing optical fiber.
Waterproof and fire protecting performance test are carried out to optical fiber obtained above, test process and result are as follows:
Optical fiber is impregnated first and is taken out for a period of time in water, the water for testing optical fiber surface remains, it is observed that its surface without
Droplet remains and on conduction without influence；
Secondly, carrying out calcination to optical fiber using open fire flame envelope, observe its thermal expansivity, after tested, optical fiber after calcination without
Thermal expansion and melting performance；
Above-mentioned test shows that fiber optic materials of the invention have anti-water erosion and calcination performance resistant to high temperatures, makes it extreme
Under the conditions of can also apply, widen its application range.
Embodiment 2
As shown in Fig. 2, lighting system prepared by a kind of waterproof fireproofing optical fiber using embodiment 1 provided by the invention,
Including sequentially connected: light source 5, coupling device 6, optical fiber 1, beam condensing unit 8, optical fiber 29 and terminal 10；
The light source 5 is monochromatic source；The input terminal of the coupling device 6 has condenser lens 1, and the light source 5 connects
Connect the input terminal of the coupling device 6；The output end of the coupling device 6 connects the input terminal of the optical fiber 1, the light source
5, condenser lens 1 and optical fiber 1 correspond；The output end of the optical fiber 1 connects the input terminal of the beam condensing unit 8,
It is disposed with light-collecting prism 81 and condenser lens 2 82 by optical propagation direction by input terminal in the beam condensing unit 8, it is described poly-
The output end of electro-optical device 8 connects the input terminal of the optical fiber 29, and the output end of the optical fiber 29 connects the terminal 10.
Wherein, the light-collecting prism 81 is depolarization light-collecting prism, and terminal 10 is lighting device.
It waits when in use, emitting monochromatic light by light source 5 makes light by the optically focused of the condenser lens 1 in coupling device 6
Beam is completely and parallel radiation enters optical fiber, is transmitted to through optical fiber using end, then by monochromatic light through the light-collecting prism in beam condensing unit 8
81 are polymerized to mixed light, are then incident to optical fiber 29 in parallel after 2 82 optically focused of mixed light line focus lens, transmit through optical fiber 29
It is illuminated to terminal 10.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of waterproof fireproofing optical fiber, which is characterized in that by center to surface successively include: modified fibre core (1), covering (2), apply
Coating (3) and hydrophobic layer (4), 130-160 μm of the cladding diameter, the coat (3) is with a thickness of 0.25-0.4mm.
2. a kind of waterproof fireproofing optical fiber according to claim 2, which is characterized in that the modified fibre core (1) is to change through lanthanum
Property Ge, Si composite material fibre core, the covering (2) be quartz layer.
3. a kind of waterproof fireproofing optical fiber according to claim 2, which is characterized in that the hydrophobic layer (4) is hydrophobically modified
Grapheme material.
4. a kind of preparation method of the described in any item waterproof fireproofing optical fiber of claim 1-3, which is characterized in that including following step
It is rapid:
Step 1: the modification of graphene
Graphene oxide is dispersed in distilled water and is ultrasonically treated 2-3h, 80wt% hydrazine hydrate is added later and is warming up to 93-97
Be condensed back 22-24h after DEG C stirring 10-15min, be added dilute hydrochloric acid solution later, after filtration washing to neutrality 50-60 DEG C it is dry
It is dry, finally desciccate is uniformly mixed with hydrophobing agent be placed in Muffle furnace at 230-240 DEG C keep the temperature 1-1.5h to get modification
Graphene；
Step 2: the preparation of basic optical fiber
2.1) 1:5:1 weighs GeCl respectively in molar ratio4、SiCl4、LaCl3, three is warming up in gaseous mixture；
2.2) gaseous mixture in the step 2.1) is prepared to form prefabricated rods using MCVD method；
2.3) the step 2.2) prefabricated rods are placed in fiber drawing tower and carry out wire drawing, rapidly in surface applied in two coats tree after wire drawing
Rouge is to get basic optical fiber；
Step 3: basic optical fiber surface is modified
Modified graphene made from the step 1 is dispersed in distilled water and is prepared into modified graphene solution, later described in
Basis optical fiber made from step 2 is soaked in the modified graphene solution and takes out after dipping 1-3h, is placed in 80-100 DEG C of condition
Lower drying is to get waterproof fireproofing optical fiber.
5. a kind of preparation method of waterproof fireproofing optical fiber according to claim 4, which is characterized in that in the step 1
The mass ratio of hydrazine hydrate and graphene oxide is 1.6:100.
6. a kind of preparation method of waterproof fireproofing optical fiber according to claim 4, which is characterized in that in the step 1
Hydrophobing agent is dimethyl silicone polymer.
7. a kind of preparation method of waterproof fireproofing optical fiber according to claim 4, which is characterized in that in the step 3
Modified graphene solution concentration is 0.7wt%-1.0wt%.
8. a kind of described in any item waterproof fireproofing optical fiber illuminating systems of claim 1-7, which is characterized in that including being sequentially connected
: light source (5), coupling device (6), optical fiber one (7), beam condensing unit (8), optical fiber two (9) and terminal (10)；
The light source (5) is monochromatic source；The input terminal of the coupling device (6) has condenser lens one (61), the light source
(5) input terminal of the coupling device (6) is connected；The output end of the coupling device (6) connects the input of the optical fiber one (7)
End, the light source (5), condenser lens one (61) and optical fiber one (7) correspond；The output end of the optical fiber one (7) connects institute
The input terminal of beam condensing unit (8) is stated, the beam condensing unit (8) is interior to be disposed with light-collecting prism by optical propagation direction by input terminal
(81) and condenser lens two (82), the output end of the beam condensing unit (8) connect the input terminal of the optical fiber two (9), the light
The output end of fine two (9) connects the terminal (10).
9. a kind of waterproof fireproofing optical fiber illuminating system according to claim 8, which is characterized in that the light-collecting prism (81)
For depolarization light-collecting prism.
10. a kind of waterproof fireproofing optical fiber illuminating system according to claim 8, which is characterized in that the terminal (10) is
Lighting device.
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| CN201910761035.XA CN110456447B (en) | 2019-08-17 | 2019-08-17 | Waterproof and fireproof optical fiber, preparation method thereof and lighting system adopting optical fiber |
| PCT/CN2019/101550 WO2021031115A1 (en) | 2019-08-17 | 2019-08-20 | Waterproof and fireproof optical fiber and preparation method therefor, and illuminating system using optical fiber |
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| CN201910761035.XA CN110456447B (en) | 2019-08-17 | 2019-08-17 | Waterproof and fireproof optical fiber, preparation method thereof and lighting system adopting optical fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115010383A (en) * | 2022-06-30 | 2022-09-06 | 天津斯坦利新型材料有限公司 | Glass fiber with at least two coating layers, preparation method and application thereof |
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| CN115010383B (en) * | 2022-06-30 | 2023-12-15 | 天津斯坦利新型材料有限公司 | Glass fiber with at least two coating layers, preparation method and application thereof |
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| WO2021031115A1 (en) | 2021-02-25 |
| CN110456447B (en) | 2020-09-15 |
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