CN106896459A - Selfreparing optical cable enhancing core containing microcapsules and preparation method thereof - Google Patents
Selfreparing optical cable enhancing core containing microcapsules and preparation method thereof Download PDFInfo
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- CN106896459A CN106896459A CN201710167785.5A CN201710167785A CN106896459A CN 106896459 A CN106896459 A CN 106896459A CN 201710167785 A CN201710167785 A CN 201710167785A CN 106896459 A CN106896459 A CN 106896459A
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- selfreparing
- core
- optical cable
- containing microcapsules
- preparation
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Classifications
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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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
-
- 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
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/56—Processes for repairing optical cables
- G02B6/564—Repair sets
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Micro-Capsules (AREA)
Abstract
This application discloses a kind of selfreparing optical cable enhancing core containing microcapsules and preparation method thereof, selfreparing enhancing core is covered in aramid fiber surface after being mixed with unsaturated polyester (UP) by microcapsules, catalyst by pultrude process.Wherein enhancing core material is aramid fiber, and microcapsules and the mass ratio of unsaturated polyester (UP) are 5%~15% in mixture:The shell cyst wall of this microcapsules is Lauxite, and kernel capsule-core is dicyclopentadiene, and capsule-core is 5 with the mass ratio of cyst wall:1.When aramid fiber enhancing wicking surface occurs crackle, microcapsules rupture, dicyclopentadiene can rapidly permeate into crazing, run into Grubbs catalyst actions and produce polymerization crosslinking, to reach the purpose of reparation.So as to enhance the service life of Cable Core, it is adaptable to which new industrialization is produced.
Description
Technical field
The application belongs to field of material technology, more particularly to a kind of selfreparing optical cable enhancing core containing microcapsules and its
Preparation method.
Background technology
Because optical cable is easier to suffer artificial damage that this has influence on to a certain extent in actual shipment and operation
The normal of optical cable is used, or even causes unnecessary energy waste and loss.So technology needs us to use some fillers
Pay and serve as a contrast in optical cable cortex inside, reach the effect of activeness and quietness.Aramid fiber composite material conduct used in the market
Filling is the problem for alleviating this aspect, but after optical cable faces the bigger deformation of dynamics and distortion, to optical cable certainly
The injury that body is caused is permanent, is also unrepairable.So we need a kind of new self-repair type optical cable enhancing core
Solve demand problem of the market to the enhancing core.
Selfreparing optical cable enhancing core is that had with one kind that traditional enhancing core is combined by the material with selfreparing effect
The enhancing core of self-repair function.Selfreparing optical cable enhancing core can realize selfreparing, but at the same time not interfere with original behaviour
Make flow, also do not interfere with material surface effect.Easily operated, reacting balance, process conditions are easily controllable, surface effect is good and
Environmentally friendly the features such as, makes it be widely used in the surface of various types of materials.
Traditional aramid fiber can not carry out self-recovery under the auxiliary without external condition, so when the generation of aramid fiber surface is micro-
During crackle, can be accumulated gradually on aramid fiber surface and ultimately result in outward appearance and deform upon.And coatings surface produces fine crack
When, the nanometer-sized microcapsules of material internal can progressively discharge and being combined with catalyst makes crackle cohere again, can be fundamentally
Heal or prevent crackle from producing, finally realize the recovery of coating performance.While not influenceing material surface attractive in appearance with gloss, prolong
The service life of aramid fiber is grown, later stage unnecessary cost has been reduced and is safeguarded.
Accordingly, need to carry out aramid fiber enhancing core the improved reprocessing treatment of selfreparing at present.
The content of the invention
It is an object of the invention to provide a kind of selfreparing optical cable enhancing core and preparation method thereof containing microcapsules, with gram
Take deficiency of the prior art.
To achieve the above object, the present invention provides following technical scheme:
The embodiment of the present application disclose it is a kind of containing microcapsules selfreparing optical cable enhancing core, including aramid fiber matrix, with
And the reconditioning layer of aramid fiber matrix surface is formed at, the reconditioning layer includes according to weight portion:
5~15 parts of selfreparing capsule;
2~4 parts of catalyst;
81~93 parts of liquid resin matrix,
The selfreparing capsule is nanoscale, and its cyst wall is Lauxite, and capsule-core is dicyclopentadiene.
Preferably, in the above-mentioned enhancing core of the selfreparing optical cable containing microcapsules, the catalyst is catalyzed for Grubbs
Agent.
Preferably, in the above-mentioned selfreparing optical cable enhancing core containing microcapsules, the Lauxite by urea and
37% formalin is with the ratio between amount of material for (0.5~0.6):It is prepared by 1 ratio.
Preferably, in the above-mentioned enhancing core of the selfreparing optical cable containing microcapsules, the particle diameter of the selfreparing capsule is
180nm~300nm.
Accordingly, disclosed herein as well is the preparation method that a kind of selfreparing optical cable containing microcapsules strengthens core, will be from
Repair microcapsules to be soaked with liquid unsaturated polyester (UP) mixing relief aramid fiber, then technique is heated by pultrusion and prepare.
Preferably, in the preparation method of the above-mentioned enhancing core of the selfreparing optical cable containing microcapsules, including step:
S1, selfreparing capsule, catalyst and liquid resin matrix are well mixed, prepare blend;
S2, will prepare blend containing capsule for pultrusion prepare, aramid fiber matrix is passed sequentially through mixture,
160 DEG C~180 DEG C of mould and 275 DEG C~290 DEG C of hot setting.
Preferably, it is described to review one's lessons by oneself re-glue in the preparation method of the above-mentioned enhancing core of the selfreparing optical cable containing microcapsules
The preparation method of capsule includes:In urea to be dissolved in EMA anhydride solution under stirring environment, after urea all dissolves, plus
Enter ammonium chloride and resorcinol, regulation reaction system pH=4~5 add dicyclopentadiene, after stabilization forms emulsion,
Formalin is eventually adding, system is heated to 50~60 DEG C of 3~4h of reaction, is cooled to room temperature, filtering and washing.
Preferably, in the preparation method of the above-mentioned enhancing core of the selfreparing optical cable containing microcapsules, the ethene Malaysia
The mass concentration of anhydride solution is 2.5%.
Preferably, in the preparation method of the above-mentioned enhancing core of the selfreparing optical cable containing microcapsules, the stirring environment
300~600r/min of lower control mixing speed.
Compared with prior art, the advantage of the invention is that:The present invention is combined using self-repair type microcapsules with resin,
It is covered in aramid fiber surface and significantly improves the present situation that selfreparing is unable to after traditional aramid fiber composite material is destroyed, therefore the present invention is provided
The method that the optical cable of more preferable activeness and quietness strengthens core.
Specific embodiment
Strengthen core present embodiment discloses a kind of selfreparing optical cable containing microcapsules, its preparation is by self-repairing microcapsule
Prepared by quiet pultrude process with after unsaturated polyester (UP) blending.Selfreparing enhancing core containing microcapsules, by following weight portion
Composition is constituted:
5~15 parts of selfreparing capsule;
2~4 parts of catalyst;
81~93 parts of liquid resin matrix.
Wherein nanometer-sized microcapsules particle its have preferable repairing effect.The cyst wall of self-repairing microcapsule is:Urea and
37% formalin is with the ratio between amount of material for 0.5~0.6:Lauxite prepared by 1 ratio, capsule-core is two polycyclopentadithio.henes
Alkene.
The present embodiment also discloses a kind of selfreparing optical cable enhancing core containing microcapsules and preparation method thereof, including following
Step:
(1) preparation of self-repairing microcapsule:Urea is dissolved in 2.5% EMA acid anhydride (EMA) in the case where environment is stirred molten
In liquid, after after urea all dissolving, appropriate ammonium chloride and resorcinol are added.Reaction system pH is adjusted with hydrochloric acid and NaOH
=4~5, dicyclopentadiene is added, after stabilization forms emulsion, it is eventually adding 37% formalin, (urea and 37%
Formalin is with the ratio between amount of material for 0.5~0.6:1).System heating is to 55 DEG C of reaction 4h.Room temperature is cooled to, suction filtration is washed
Wash, natural air drying sieve sieve takes standby.
(2) preparation of blend:
5~15 parts of micro-crack selfreparing capsule;
2~4 parts of catalyst;
81~93 parts of liquid resin matrix.
After blends described above is prepared in proportion, it is sufficiently stirred for 30-60 minutes, makes microcapsules and catalyst mixed distribution
Uniformly.
(3) pultrude process:Blend containing microcapsules will be prepared to be prepared for pultrusion, passed through with the speed of 0.01m/s
160 DEG C~180 DEG C of mould and 280 DEG C of hot setting.Self-reparability is prepared after microcapsules and mixed with resin to exhale and nothing, wherein
The mass content of microcapsules is 5wt%~15wt%.
Further, control 300~600r/min of mixing speed in step (1), with obtain particle size range 180nm~
The nanometer-sized microcapsules of 300nm.
Further, in step (1), reaction system carries out reaction preparation under being in air-proof condition.
In the above-mentioned technical solutions, the selfreparing mixture resin is unsaturated polyester resin.Wherein unsaturated polyester (UP)
Huge number washability is also greatly increased.
In the above-mentioned technical solutions, it is micro- when coating occurs crackle during reparation, it is necessary to additionally add catalyst
Capsules break, dicyclopentadiene can be rapidly permeated into, and run into Grubbs catalyst actions and produced polymerization crosslinking, to reach reparation
Purpose.The expansion of the failure mode such as coating damage, stripping caused by after inhibiting coating to crack.
The repair mechanisms of this case are that crackle produces the selfreparing of induction microcapsules to occur, and reduce the cumbersome work of manual detection
Make.Have in coating crack initiation and growth, coating by external force crimp, have micro-crack can promote repair microcapsules cyst wall break
Split, the renovation agent in intelligent corrosion-inhibiting coating can fill crackle from intracapsular outflow.
Under general conditions under environment, this case selfreparing optical cable enhancing core stable storing can be used for various compound
Activeness and quietness material.
The present invention is described further by the following example:According to following embodiments, the present invention may be better understood.
However, as it will be easily appreciated by one skilled in the art that specific material ratio, process conditions and its result described by embodiment are only used
In the explanation present invention, without should also without limitation on the present invention described in detail in claims.
Embodiment 1
In 5g urea to be dissolved in 200ml2.5% EMAs acid anhydride (EMA) solution under stirring environment, urea whole is treated
After dissolving, 0.5g ammonium chlorides and resorcinol are separately added into.Reaction system pH=4~5 are adjusted with hydrochloric acid and NaOH, then is added
Enter 60ml dicyclopentadienes, after stabilization forms emulsion, be eventually adding 13g37% formalins.1 DEG C/min systems are heated to
55 DEG C, react 4h.It is cooled to room temperature, filtering and washing, natural air drying.
82 parts of liquid unsaturated polyester (UP);3 parts of 15 parts of self-repairing microcapsule and catalyst are well mixed 30 minutes.In pultrusion bar
Mould with the speed of 0.01m/s by 180 DEG C and 280 DEG C of heating zone under part.
Embodiment 2
In 5g urea to be dissolved in 200ml2.5% EMAs acid anhydride (EMA) solution under stirring environment, urea whole is treated
After dissolving, 0.5g ammonium chlorides and resorcinol are separately added into.Reaction system pH=4~5 are adjusted with hydrochloric acid and NaOH, then is added
Enter 60ml dicyclopentadienes, after stabilization forms emulsion, be eventually adding 13g37% formalins.1 DEG C/min systems are heated to
55 DEG C, react 4h.It is cooled to room temperature, filtering and washing, natural air drying.
88 parts of liquid unsaturated polyester (UP);2 parts of 10 parts of self-repairing microcapsule and catalyst are well mixed 30 minutes.In pultrusion bar
Mould with the speed of 0.01m/s by 180 DEG C and 280 DEG C of heating zone under part.
Embodiment 3
In 5g urea to be dissolved in 200ml2.5% EMAs acid anhydride (EMA) solution under stirring environment, urea whole is treated
After dissolving, 0.5g ammonium chlorides and resorcinol are separately added into.Reaction system pH=4~5 are adjusted with hydrochloric acid and NaOH, then is added
Enter 60ml dicyclopentadienes, after stabilization forms emulsion, be eventually adding 13g37% formalins.1 DEG C/min systems are heated to
55 DEG C, react 4h.It is cooled to room temperature, filtering and washing, natural air drying.
94 parts of liquid unsaturated polyester (UP);2 parts of 5 parts of self-repairing microcapsule and catalyst are well mixed 30 minutes.In pultrusion bar
Mould with the speed of 0.01m/s by 180 DEG C and 280 DEG C of heating zone under part.
Finally, in addition it is also necessary to explanation, term " including ", "comprising" or its any other variant be intended to it is non-exclusive
Property include so that process, method, article or equipment including a series of key elements not only include those key elements, and
Also include other key elements being not expressly set out, or also include intrinsic for this process, method, article or equipment
Key element.
Claims (9)
1. a kind of selfreparing optical cable enhancing core containing microcapsules, it is characterised in that including aramid fiber matrix and be formed at
The reconditioning layer of aramid fiber matrix surface, the reconditioning layer includes according to weight portion:
5~15 parts of selfreparing capsule;
2~4 parts of catalyst;
81~93 parts of liquid resin matrix,
The selfreparing capsule is nanoscale, and its cyst wall is Lauxite, and capsule-core is dicyclopentadiene.
2. the selfreparing optical cable containing microcapsules according to claim 1 strengthens core, it is characterised in that:The catalyst is
Grubbs catalyst.
3. the selfreparing optical cable containing microcapsules according to claim 1 strengthens core, it is characterised in that:The Lauxite
By urea and 37% formalin with the ratio between amount of material for (0.5~0.6):It is prepared by 1 ratio.
4. the selfreparing optical cable containing microcapsules according to claim 1 strengthens core, it is characterised in that:It is described to review one's lessons by oneself re-glue
The particle diameter of capsule is 180nm~300nm.
5. any described selfreparing optical cable containing microcapsules of Claims 1-4 strengthens the preparation method of core, and its feature exists
In:Self-repairing microcapsule is soaked with liquid unsaturated polyester (UP) mixing relief aramid fiber, then technique is heated by pultrusion and prepared.
6. the selfreparing optical cable containing microcapsules according to claim 5 strengthens the preparation method of core, it is characterised in that:Bag
Include step:
S1, selfreparing capsule, catalyst and liquid resin matrix are well mixed, prepare blend;
S2, will prepare blend containing capsule for pultrusion prepare, aramid fiber matrix is passed sequentially through mixture, 160 DEG C
~180 DEG C of mould and 275 DEG C~290 DEG C of hot setting.
7. the selfreparing optical cable containing microcapsules according to claim 6 strengthens the preparation method of core, it is characterised in that:Institute
The preparation method for stating selfreparing capsule includes:In urea to be dissolved in EMA anhydride solution under stirring environment, treat that urea is complete
After portion's dissolving, ammonium chloride and resorcinol are added, regulation reaction system pH=4~5 add dicyclopentadiene, treat stabilization
After forming emulsion, formalin is eventually adding, system is heated to 50~60 DEG C of 3~4h of reaction, is cooled to room temperature, filtering and washing.
8. the selfreparing optical cable containing microcapsules according to claim 7 strengthens the preparation method of core, it is characterised in that:Institute
The mass concentration for stating EMA anhydride solution is 2.5%.
9. the selfreparing optical cable containing microcapsules according to claim 7 strengthens the preparation method of core, it is characterised in that:Institute
State 300~600r/min of control mixing speed under stirring environment.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109270647A (en) * | 2018-11-29 | 2019-01-25 | 安徽牡东通讯光缆有限公司 | A kind of 8 shaped optical cable of twin-core |
CN109270646A (en) * | 2018-11-29 | 2019-01-25 | 安徽牡东通讯光缆有限公司 | A kind of optical cable selfreparing reinforcing material and preparation method thereof |
CN113281864A (en) * | 2021-06-03 | 2021-08-20 | 富通集团(嘉善)通信技术有限公司 | Self-repairing ribbon optical cable |
CN113671646A (en) * | 2021-08-04 | 2021-11-19 | 富通集团(嘉善)通信技术有限公司 | Submarine optical cable |
CN116626833A (en) * | 2023-07-21 | 2023-08-22 | 江苏中天科技股份有限公司 | Antifreezing fire-resistant rat-proof optical cable |
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CN105585938A (en) * | 2015-11-24 | 2016-05-18 | 海安南京大学高新技术研究院 | Self-repair powder coating applicable to aluminum material |
CN106336664A (en) * | 2016-09-22 | 2017-01-18 | 四川大学 | Self-repairing enhanced polyarylether composite material and preparation method thereof |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109270647A (en) * | 2018-11-29 | 2019-01-25 | 安徽牡东通讯光缆有限公司 | A kind of 8 shaped optical cable of twin-core |
CN109270646A (en) * | 2018-11-29 | 2019-01-25 | 安徽牡东通讯光缆有限公司 | A kind of optical cable selfreparing reinforcing material and preparation method thereof |
CN113281864A (en) * | 2021-06-03 | 2021-08-20 | 富通集团(嘉善)通信技术有限公司 | Self-repairing ribbon optical cable |
CN113281864B (en) * | 2021-06-03 | 2022-09-27 | 富通集团(嘉善)通信技术有限公司 | Self-repairing ribbon optical cable |
CN113671646A (en) * | 2021-08-04 | 2021-11-19 | 富通集团(嘉善)通信技术有限公司 | Submarine optical cable |
CN113671646B (en) * | 2021-08-04 | 2023-10-24 | 富通集团(嘉善)通信技术有限公司 | Submarine optical cable |
CN116626833A (en) * | 2023-07-21 | 2023-08-22 | 江苏中天科技股份有限公司 | Antifreezing fire-resistant rat-proof optical cable |
CN116626833B (en) * | 2023-07-21 | 2023-11-03 | 江苏中天科技股份有限公司 | Antifreezing fire-resistant rat-proof optical cable |
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Application publication date: 20170627 |