CN109491031A - A kind of production method of tight tube fiber and tight tube fiber - Google Patents
A kind of production method of tight tube fiber and tight tube fiber Download PDFInfo
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- CN109491031A CN109491031A CN201811567554.4A CN201811567554A CN109491031A CN 109491031 A CN109491031 A CN 109491031A CN 201811567554 A CN201811567554 A CN 201811567554A CN 109491031 A CN109491031 A CN 109491031A
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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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses the production method of a kind of tight tube fiber and tight tube fiber, which includes optical fiber ontology, separating layer and tight sleeve layer；The separating layer is coated in the surface of the optical fiber ontology, and the periphery of the separating layer is arranged in the tight sleeve layer；Wherein, the separating layer is mutually adhered for being spaced the optical fiber ontology and the tight sleeve layer to avoid between the tight sleeve layer and the optical fiber ontology.Separating layer is arranged between optical fiber ontology and tight sleeve layer the present invention, and, separating layer is made using special material, the separating layer serves as release agent and lubricant between optical fiber ontology and tight sleeve layer, so that tight sleeve layer is easily separated relative to optical fiber ontology and slides, the size for reducing peel force avoids damage optical fiber ontology, enhances product performance.
Description
Technical field
The invention belongs to technical field of optical fiber, more particularly, to the production side of a kind of tight tube fiber and tight tube fiber
Method.
Background technique
Currently, the fast development of fiber to the home technology, has expedited the emergence of inside cable industry size and has expanded rapidly.Inside cable produces
Product are other than incumbent operator, the development of the non-carrier market such as communication support facility quotient, military and sensing product class
Also rapidly.
Demand of this kind of user to product is mainly the cable manufactures based on tight tube fiber.Tight tube fiber product is using
In the process, it is necessary to remove fixed coating.To guarantee the quality of tight tube fiber, while being easy to use again, fixed light
Fine fixed coating strip force must control in a certain range.Currently, fixed coating generally uses TPEE (thermoplasticity
Polyester elastomer) or the materials such as PA12 (nylon 12) be made, due to the self character of the materials such as TPEE and PA12, to light
The adhesion strength on fine surface is stronger, and biggish dynamics is needed to strip fixed coating, causes certain difficulty to reprocessing, moreover,
In strip, it is easily damaged optical fiber ontology, influences properties of product.
There is also some manufacturers at present, increase by an interlayer interlayer between fixed coating and optical fiber ontology, can reduce
Peel force, for example, diameter is the optical fiber of 0.25mm, diameter reaches 0.4mm after interval between coating layer, is coated with fixed coating and reaches
To 0.9mm.But, such scheme be to sacrifice the thickness of fixed coating and exchange lesser peel force for, although, in subsequent stripping
In removing, peel force is reduced, and is easy to strip fixed coating, still, since the thickness of fixed coating is smaller, tight tube fiber
Wear resistance and tensile property declined, reduce the reliability of tight tube fiber, reduce making for tight tube fiber
Use the service life.
In consideration of it, overcoming defect present in the prior art is the art urgent problem to be solved.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of tight tube fiber and tight tube fibers
Production method, its object is to by separating layer be arranged between optical fiber ontology and tight sleeve layer, separating layer use special material system
It forms, which serves as release agent and lubricant between optical fiber ontology and tight sleeve layer, so that tight sleeve layer is relative to optical fiber
Ontology is easily separated and slides, and reduces the size of peel force, avoids damage optical fiber ontology, enhances product performance, thus solve mesh
Preceding fixed coating is stronger to the adhesion strength of optical fiber surface, needs biggish dynamics to strip fixed coating, causes to reprocessing
Certain difficulty, moreover, in strip, the technical issues of being easily damaged optical fiber ontology, influence properties of product.
To achieve the above object, according to one aspect of the present invention, a kind of tight tube fiber, the tight tube fiber packet are provided
It includes: optical fiber ontology 1, separating layer 2 and tight sleeve layer 3；
The separating layer 2 is coated in the surface of the optical fiber ontology 1, and the outer of the separating layer 2 is arranged in the tight sleeve layer 3
It encloses；
Wherein, the separating layer 2 is for being spaced the optical fiber ontology 1 and the tight sleeve layer 3, to avoid the tight sleeve layer 3
It is mutually adhered between the optical fiber ontology 1.
Preferably, the constituent of the separating layer 2 includes polybutadiene acrylic acid copolymer.
Preferably, the separating layer 2 with a thickness of 0.002mm~0.004mm.
Preferably, the optical fiber ontology 1 includes fibre core 11, covering 12 and coat 13；
The periphery of the fibre core 11 is arranged in the covering 12, and the periphery of the covering 12 is arranged in the coat 13,
The separating layer 2 is coated in the surface of the coat 13.
Preferably, the constituent of the tight sleeve layer 3 includes thermoplastic polyester elastomer and/or nylon.
Preferably, the diameter of the tight tube fiber is 0.85mm~0.95mm.
Preferably, the peeling force range for removing the tight tube fiber of 15mm ± 2mm is 3.8N~4.2N.
It is another aspect of this invention to provide that a kind of production method of tight tube fiber is provided, the production of the tight tube fiber
Method includes:
Separating layer is coated on the surface of the optical fiber ontology using coating unit, wherein be equipped in the coating unit
Preset release agent；
In the periphery production tight sleeve layer of the separating layer, wherein pass through optical fiber ontology described in the separating layer interval and institute
Tight sleeve layer is stated, is mutually adhered to avoid between the tight sleeve layer and the optical fiber ontology.
Preferably, described that separating layer is coated on the surface of the optical fiber ontology using coating unit, wherein the coating dress
Preset release agent is equipped in setting includes:
The coating unit work is controlled under preset pressure range, so that preset release agent is uniformly coated on institute
State the surface of optical fiber ontology；
Control curing oven work under preset temperature range, cured coated the optical fiber body surface release agent,
Form separating layer, wherein the constituent of the separating layer includes polybutadiene acrylic acid copolymer.
Preferably, the preset pressure range is 0.04MPa~0.05MPa, and the preset temperature range is 200 DEG C
~400 DEG C.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, have following beneficial to effect
Fruit: tight tube fiber of the invention includes separating layer, which is arranged between optical fiber ontology and tight sleeve layer, and separating layer is using special
Different material is made, which serves as release agent and lubricant between optical fiber ontology and tight sleeve layer, so that tight sleeve layer phase
And sliding easily separated for optical fiber ontology, reduces the size of peel force, avoids damage optical fiber ontology, enhances product performance, energy
Enough tight sleeve layers that effectively solves are difficult to the technical issues of removing.
Further, the thickness of separating layer of the invention is smaller, will not influence the thickness of tight sleeve layer, it is ensured that fixed light
Fine wear resistance and tensile property, improves the reliability of tight tube fiber, extends the service life of tight tube fiber.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described.It should be evident that drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of tight tube fiber (being partially stripped) provided in an embodiment of the present invention；
Fig. 2 is that the embodiment of the present invention provides the schematic front view of tight tube fiber in Fig. 1；
Fig. 3 is the test result schematic diagram of the peel force provided in an embodiment of the present invention about tight tube fiber；
Fig. 4 is the flow diagram of the production method of the tight tube fiber of the embodiment of the present invention；
Fig. 5 is the technique production process schematic diagram of tight tube fiber provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the description of the present invention, term "inner", "outside", " longitudinal direction ", " transverse direction ", "upper", "lower", "top", "bottom" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention rather than
It is required that the present invention must be constructed and operated in a specific orientation, therefore it is not construed as limitation of the present invention.
In addition, as long as technical characteristic involved in the various embodiments of the present invention described below is each other not
Constituting conflict can be combined with each other.
Embodiment 1:
Currently, tight sleeve layer generally use the materials such as TPEE (thermoplastic polyester elastomer) or PA12 (nylon 12) make and
At, it is stronger to the adhesion strength of optical fiber surface due to the self character of the materials such as TPEE and PA12, need biggish dynamics to strip tightly
Jacket layer causes certain difficulty to reprocessing, moreover, being easily damaged optical fiber ontology in strip, influencing properties of product.
To solve foregoing problems, the present embodiment provides a kind of tight tube fibers to illustrate this reality below with reference to Fig. 1 and Fig. 2
Apply one of the achievable mode of the tight tube fiber of example.Wherein, the positional relationship between different layers is shown in Fig. 1, it is right
Tight tube fiber is partially stripped.
The tight tube fiber of the present embodiment includes: optical fiber ontology 1, separating layer 2 and tight sleeve layer 3, wherein the separating layer 2
The periphery of the separating layer 2 is arranged in surface coated in the optical fiber ontology 1, the tight sleeve layer 3.Wherein, the tight sleeve layer 3
Constituent include thermoplastic polyester elastomer and/or nylon or other materials, be not specifically limited herein.In reality
Under application scenarios, the separating layer 2 for being spaced the optical fiber ontology 1 and the tight sleeve layer 3, to avoid the tight sleeve layer 3 with
It is mutually adhered between the optical fiber ontology 1.
Specifically, the optical fiber ontology 1 includes fibre core 11, covering 12 and coat 13, and the covering 12 is arranged in institute
The periphery of fibre core 11 is stated, the periphery of the covering 12 is arranged in the coat 13, and the separating layer 2 is coated in the coat
13 surface.
In practical stripping process, since tight tube fiber includes separating layer 2, which is made of special material,
Separating layer 2 serves as release agent and lubricant between optical fiber ontology 1 and tight sleeve layer 3, so that tight sleeve layer 3 is relative to optical fiber ontology 1
Easily separated and sliding, reduces peel force, can effectively solve the problem that tight sleeve layer 3 is difficult to the technical issues of removing.
There is also some manufacturers at present, increase by an interlayer interlayer between tight sleeve layer 3 and optical fiber ontology 1, can reduce stripping
From dynamics, for example, diameter is the optical fiber of 0.25mm, diameter reaches 0.4mm after interval between coating layer, and re-coating tight sleeve layer 3 reaches
0.9mm (thickness of tight sleeve layer 3 is only 0.25mm or so).But, such scheme be with sacrifice the thickness of tight sleeve layer 3 exchange for it is smaller
Peel force be easy to strip tight sleeve layer 3 although in subsequent strip, peel force is reduced, due to tight sleeve layer 3
Thickness it is smaller, the wear resistance and tensile property of tight tube fiber are declined, reduce the reliability of tight tube fiber,
Reduce the service life of tight tube fiber.
By largely studying and testing, inventor's discovery is when using polybutadiene acrylic acid copolymer production separating layer
When 2, relatively thin separating layer 2 only need to be made, is equally reached the effect for reducing peel force.Therefore, certain in product diameter
In the case where, although increasing separating layer 2, the thickness of subsequent tight sleeve layer 3 will not be influenced, not only can reduce peel force,
And can guarantee the wear resistance and tensile property of tight tube fiber, the reliability of tight tube fiber is improved, is extended tight
The service life of unjacketed optical fiber.
Under practical application scene, the constituent of the separating layer 2 includes polybutadiene acrylic acid copolymer, such as Fig. 2,
The thickness d 1 of the separating layer 2 is 0.002mm~0.004mm, thickness very little.The optical fiber ontology for being 0.25mm for diameter (2r)
1, after coating separating layer 2, fibre diameter is 0.254mm~0.258mm.Under practical application scene, the thickness of tight tube fiber
Generally 0.85mm~0.95mm, then as can be seen that even if increasing separating layer 2, the thickness d 2 of tight sleeve layer 3 can equally reach compared with
Thick thickness, for example, the thickness d 2 of tight sleeve layer 3 is 0.321mm~0.323mm, phase when tight tube fiber is with a thickness of 0.9mm
For (0.25mm) tight sleeve layer 3 of thickness above-mentioned, thickness increases 28.4%~29.2%, and tight tube fiber can be effectively ensured
Wear resistance and tensile property, improve the reliability of tight tube fiber, extend the service life of tight tube fiber.
Illustrate below based on test data, the peel force size of the tight tube fiber of the present embodiment.
As shown in figure 3, being shelled using tight tube fiber of the identical test condition to the present embodiment with common tight tube fiber
Test process and test result from strength:
Firstly, it is (0.80~0.90) mm ± 0.05mm tight tube fiber that test sample, which selects outer diameter, test sample is divided into
Two groups, first group is common tight tube fiber, and second group is tight tube fiber of the present invention, and every group of 10 test samples, strip length is
15mm ± 2mm, detachment rate 10mm/min.Then, peeling force test, 10 surveys are carried out referring to the requirement in GB/T15972.32
In test agent, respectively through 5 peel tests.
Test result are as follows: the peeling force size of second group of tight tube fiber is 3.8N~4.2N, the stripping of first group of tight tube fiber
From power size between 20N~25N.
It can be seen that the peeling force of the tight tube fiber of the present embodiment is much smaller than the peeling force of common tight tube fiber, not only may be used
To reduce the difficulty of the removing of tight sleeve layer 3, the efficiency that tight sleeve layer 3 is removed is improved；Meanwhile in strip, peel force is smaller,
It is possible to prevente effectively from damage optical fiber ontology 1, enhances product performance.
Be different from the prior art, tight tube fiber of the invention includes separating layer 2, the separating layer 2 setting optical fiber ontology 1 with
Between tight sleeve layer 3, separating layer 2 is made using special material, which serves as between optical fiber ontology 1 and tight sleeve layer 3
Release agent and lubricant can effectively solve the problem that tight sleeve layer 3 is difficult to so that tight sleeve layer 3 is easily separated relative to optical fiber ontology 1 and slides
The technical issues of removing.
Further, the thickness of separating layer 2 of the invention is smaller, will not influence the thickness of tight sleeve layer 3, it is ensured that fixed
The wear resistance and tensile property of optical fiber, improve the reliability of tight tube fiber, extend the service life of tight tube fiber.
Embodiment 2:
The present invention also provides a kind of production method of tight tube fiber, the production method of the tight tube fiber is suitable for above-mentioned implementation
The tight tube fiber of example 1.
Below with reference to Fig. 4 and Fig. 5, illustrate the production method of the tight tube fiber of the present embodiment achievable mode it
One.The production method of the tight tube fiber includes the following steps:
Step 401: separating layer being coated on the surface of the optical fiber ontology using coating unit, wherein the coating unit
In be equipped with preset release agent.
Wherein, the optical fiber ontology includes fibre core, covering and coat, and the outer of the fibre core is arranged in the covering
It encloses, the periphery of the covering is arranged in the coat, and the separating layer is coated in the surface of the coat.The optical fiber sheet
Body can be that pre-production is good, be also possible to pre- first pass through other channels buyings.
In the present embodiment, optical fiber ontology is passed through by coating unit 41 by paying off system 40, wherein paying off system 40
Unwrapping wire pressure is 1N or so, to coat separating layer on the surface of the optical fiber ontology by the coating unit 41, wherein institute
It states and is equipped with preset release agent in coating unit 41.Wherein, preset release agent includes polybutadiene acrylic acid copolymer.
Under specific application scenarios, the two sides of coating unit 41 offer through-hole, line and coating between two through hole
The corresponding support platform of device 41 is parallel, to guarantee that optical fiber ontology can preferably pass through the through-hole of 41 two sides of coating unit.Separately
Outside, in order to avoid preset release agent is overflowed from through-hole, the aperture of through-hole and the aperture of optical fiber ontology match, for example, through-hole
Aperture be only slightly larger than the aperture of optical fiber ontology.
Step 402: in the periphery production tight sleeve layer of the separating layer, wherein pass through optical fiber described in the separating layer interval
Ontology and the tight sleeve layer, are mutually adhered to avoid between the tight sleeve layer and the optical fiber ontology.
In the present embodiment, after the separating layer that completes, in the periphery production tight sleeve layer of separating layer, wherein described tight
The constituent of jacket layer includes thermoplastic polyester elastomer and/or nylon or other materials, is not specifically limited herein.
It include separating layer using the tight tube fiber that production method of the invention is made, which is arranged in optical fiber sheet
Between body and tight sleeve layer, separating layer is made using special material, which serves as between optical fiber ontology and tight sleeve layer
Release agent and lubricant can reduce peel force so that tight sleeve layer is easily separated relative to optical fiber ontology and slides, can be effective
It solves tight sleeve layer and is difficult to the technical issues of removing.
Further, in order to guarantee separating layer coating uniformity, step 401 specifically further include controlling the coating unit
41 work are under preset pressure range, so that preset release agent is uniformly coated on the surface of the optical fiber ontology.Wherein,
Preset pressure range is 0.04MPa~0.05MPa, for example, pressure can be controlled in 0.04MPa.
Specifically, the pressure size in coating unit 41 can be controlled by the pressure-control valve on coating unit 41, from
And control the coating effect of optical fiber body surface.Depending on pressure size generally foundation actual conditions, for example, according to the dense of release agent
Depending on the factors such as degree and the thickness of separating layer.In addition, under practical application scene, it can be according to the rate of production, adaptability
The pressure size in coating unit 41 is adjusted, guarantees that separating layer can be uniformly coated on optical fiber body surface.
Also remain steam on optical fiber ontology after coating release agent, in the present embodiment, is also heated by curing oven 42
Solidify release agent, to form separating layer.Specifically, under preset temperature range, cured coated exists the work of control curing oven 42
The release agent of the optical fiber body surface forms separating layer, wherein after being coated with the heated solidification of optical fiber ontology of separating layer
Cooling procedure is cooling using pure air.Wherein, preset temperature range is 200 DEG C~400 DEG C, and specific solidification temperature is according to real
Depending on the situation of border, for example, solidification temperature is 200 DEG C, 220 DEG C, 230 DEG C or 300 DEG C, without limitation, foundation is real for specific temperature
The setting of border situation.Under practical application scene, the solidification temperature of curing oven 42 can be adaptively adjusted according to the rate of production,
Guarantee that release agent can be solidified well.
After making separating layer, by taking out negative pressure device 43, the pressure for taking out negative pressure device 43 can control optical fiber
0.04MPa.Then, the tight sleeve layer of tight tube fiber is made, specifically, optical fiber passes through fixed material extruder 44, wherein fixed material
The fixed material such as thermoplastic polyester elastomer and/or nylon is equipped in material extruder 44.It is squeezed by fixed material extruder 44
Fixed material out, to make tight sleeve layer in separating layer periphery, wherein can be 200 depending on extrusion temperature foundation actual conditions
DEG C, 220 DEG C or 230 DEG C, guarantee preferably make tight sleeve layer.
By the optical fiber ontology for being coated with fixed material by cooling trough 45, tight sleeve layer is cooled down, fixed light is formed
It is fine.Under concrete application scene, detection device can be set in cooling trough 45, it is straight to detect tight tube fiber by detection device
The appearance of diameter and tight tube fiber filters out the satisfactory tight tube fiber of diameter and appearance.Then, pass through traction mechanism
46 guidance tight tube fibers enter winding system 47, complete the production of tight tube fiber.
Herein, it should be noted that in entire production process, tight tube fiber paths traversed should be noted that the one of height
Cause property, prevents the optical fiber coating coating not cooled down completely to be scratched, to guarantee coat surface quality.
Specifically reference scene under, speed of production 60m/min, coat separating layer after fibre diameter control exist
Between 0.254mm~0.258mm, tight tube fiber outer diameter is controlled between 0.85mm~0.95mm, specific to guarantee that take-up quality is good
It is good.
In the present embodiment, separating layer with a thickness of 0.002mm~0.004mm, thickness very little will not influence tight sleeve layer
Thickness, it is ensured that the wear resistance and tensile property of tight tube fiber improve the reliability of tight tube fiber, extend tight
The service life of unjacketed optical fiber.
It is different from the prior art, includes separating layer using the tight tube fiber that production method of the invention makes, the separating layer
Be arranged between optical fiber ontology and tight sleeve layer, separating layer is made using special material, the separating layer serve as optical fiber ontology with
Release agent and lubricant between tight sleeve layer reduce peel force so that tight sleeve layer is easily separated relative to optical fiber ontology and slides
Size, avoid damage optical fiber ontology, enhance product performance, can effectively solve the problem that tight sleeve layer is difficult to the technical issues of removing.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of tight tube fiber, which is characterized in that the tight tube fiber includes: optical fiber ontology (1), separating layer (2) and fixed
Layer (3)；
The separating layer (2) is coated in the surface of the optical fiber ontology (1), and the tight sleeve layer (3) is arranged in the separating layer (2)
Periphery；
Wherein, the separating layer (2) is for being spaced the optical fiber ontology (1) and the tight sleeve layer (3), to avoid the tight sleeve layer
(3) it is mutually adhered between the optical fiber ontology (1).
2. tight tube fiber according to claim 1, which is characterized in that the constituent of the separating layer (2) includes poly- fourth
Diene acrylic copolymer.
3. tight tube fiber according to claim 2, which is characterized in that the separating layer (2) with a thickness of 0.002mm~
0.004mm。
4. described in any item tight tube fibers according to claim 1~3, which is characterized in that the optical fiber ontology (1) includes fibre core
(11), covering (12) and coat (13)；
Covering (12) setting is in the periphery of the fibre core (11), and coat (13) setting is in the outer of the covering (12)
It encloses, the separating layer (2) is coated in the surface of the coat (13).
5. described in any item tight tube fibers according to claim 1~3, which is characterized in that the constituent of the tight sleeve layer (3)
Including thermoplastic polyester elastomer and/or nylon.
6. described in any item tight tube fibers according to claim 1~3, which is characterized in that the diameter of the tight tube fiber
For 0.85mm~0.95mm.
7. described in any item tight tube fibers according to claim 1~3, which is characterized in that the tight tube fiber of removing 15mm ± 2mm
Peeling force range be 3.8N~4.2N.
8. a kind of production method of tight tube fiber, which is characterized in that the production method of the tight tube fiber includes:
Separating layer is coated on the surface of optical fiber ontology using coating unit, wherein preset point is equipped in the coating unit
From agent；
In the periphery production tight sleeve layer of the separating layer, wherein by optical fiber ontology described in the separating layer interval and described tight
Jacket layer is mutually adhered to avoid between the tight sleeve layer and the optical fiber ontology.
9. the production method of tight tube fiber according to claim 8, which is characterized in that described to use coating unit in optical fiber
The surface of ontology coats separating layer, wherein preset release agent is equipped in the coating unit includes:
The coating unit work is controlled under preset pressure range, so that preset release agent is uniformly coated on the light
The surface of fine ontology；
Curing oven work is controlled under preset temperature range, cured coated is formed in the release agent of the optical fiber body surface
Separating layer, wherein the constituent of the separating layer includes polybutadiene acrylic acid copolymer.
10. the production method of tight tube fiber according to claim 8, which is characterized in that the preset pressure range is
0.04MPa~0.05MPa, the preset temperature range are 200 DEG C~400 DEG C.
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| CN201811567554.4A CN109491031B (en) | 2018-12-20 | 2018-12-20 | Tight-buffered optical fiber and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109233269A (en) * | 2018-09-10 | 2019-01-18 | 郑州讯轨通信科技有限公司 | A kind of fixed material of inside cable and preparation method thereof |
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