CN104880785A - Environment-friendly sheath optical cable of high polymer and high flame retardant property - Google Patents
Environment-friendly sheath optical cable of high polymer and high flame retardant property Download PDFInfo
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- CN104880785A CN104880785A CN201510182048.3A CN201510182048A CN104880785A CN 104880785 A CN104880785 A CN 104880785A CN 201510182048 A CN201510182048 A CN 201510182048A CN 104880785 A CN104880785 A CN 104880785A
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- sleeve pipe
- aluminium hydroxide
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- sheath
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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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The present invention relates to the communication optical cable technology field, in particular to an environment-friendly sheath optical cable of high polymer and high flame retardant property. The optical cable comprises sleeves, a plurality of optical fibers are arranged in the sleeves, and fiber paste is arranged between the optical fibers and between the optical fibers and the sleeves. The optical cable also comprises a reinforcing member, the sleeves are in circular arrangement around the reinforcing member, and the yarn bundling layers are wound on the exteriors of all sleeves. Water-blocking layers are arranged between the sleeves, between the sleeves and the reinforcing member and between sleeves and the yarn bundling layers, and an inner sheath and an outer sheath are arranged on the outsides of the yarn bundling layers orderly. A high polymer modified water-emulsion pitch-based thick waterproof coating of the present invention can effectively withstand the disadvantages, such as low temperature cracking, high temperature flow, etc., after film formation, at the same time, has the advantages of higher elastic recovery rate, good stability, long storage time, etc.
Description
Technical field
The present invention relates to communication cable technical field, be specifically related to a kind of environment-friendly type jacketed cable of novel high polymer high flame resistance.
Background technology
Along with the growth of information and the universal of network, as the effective means of Large Copacity, long range propagation, optical cable obtains a large amount of application.Cable configuration in the communications field is roughly divided into three kinds: layer-stranding cable, central-beam tube type fiber optic cable and slotted core cable.
Simultaneously layer-stranding cable painted optical fiber and fine cream is joined in sleeve pipe, and optical fiber is removable in sleeve pipe, and different sleeve pipes makes cable core along reinforcement is stranded, arranges sheath, obtain layer-stranding cable outside cable core.The principal feature of layer-stranding cable is: reinforcement is positioned at the middle position of cable core, and sleeve pipe can carry out layer strand around reinforcement, makes optical cable have good tensile property and temperature characterisitic.
Authorization Notice No. is that the Chinese patent " layer-stranding cable " of CN 101950060 B comprises cable core, is coated on the protective seam outside cable core and squeezes and apply the restrictive coating outside protective seam; described cable core comprises steel wire that the diameter being coated with grease by outer wall is 1.0-3.2mm and squeezes and applies central reinforce member that the plastic layer outside steel wire forms and plural stranded and accommodate the Loose tube of multifiber separately with central reinforce member; be characterised in that: the outer wall of described steel wire is configured with groove, described plastic layer is embedded in described groove.The technical program, owing to being configured with groove outside the steel wire of central reinforce member, therefore ensures plastic layer and steel wire good combination under the prerequisite without the need to removing the grease be applied in outside steel wire, avoids cable core to occur longitudinally infiltration.
Authorization Notice No. is that the Chinese patent of CN 101706601 B " has the layer-stranding cable of reinforcement " and relates to optical cable technology field in sheath, have the layer-stranding cable of reinforcement in sheath, it at least by be positioned at center cable core (1), be coated on the protective seam (4) outside cable core and the sheath (5) be positioned at outside protective seam is formed; Protective seam outer profile is circular or oval; Cable core at least comprises an inside and comprises the Loose tube (12) of light transmitting fiber (11), central reinforce member (13) and wrapper material (15); Loose tube around central reinforce member stranded and centrally reinforcement axially extend, wrapper material makes Loose tube position relatively fixing; It is characterized in that: on arbitrary xsect, the outer profile of sheath be by the mutual discontinuous concentric of multistage and with curvature circular arc be connected described adjacent circular arc and outwardly convex body is formed; Reinforcement is comprised in each convex body; Sheath and convex body are integral type structure.Cost of the present invention is low, external diameter is little, optical cable is light, flexibility is good, and easy construction, anti-extrusion, temperature performance is good.
Although above-mentioned patent can improve the performance of layer-stranding cable, but in use for some time, fine cream in sleeve pipe can because the change of environment be fewer and feweri, fine cream minimizing can make its inside occur some spaces, these spaces can become the path of water and moisture when optical cable is damaged, cause certain harm to optical cable; There is no good high flame resistance protection sheath coating.
Summary of the invention
The object of the invention is to solve the problem, a kind of Novel optical cable is provided, can improve and when fine cream reduces to a certain amount of, it be supplemented automatically, waterproof, wear-resisting, fire-retardant its life-span of prolongation.
The present invention's adopted technical scheme that solves the problem is:
An environment-friendly type jacketed cable for superpolymer high flame resistance, comprises sleeve pipe, sheath; Some optical fiber is set in sleeve pipe, between optical fiber and optical fiber, between optical fiber and sleeve pipe, fine cream is set, also comprise reinforcement, sleeve pipe is around the rounded arrangement of reinforcement, bundle layer is wound around outward at all sleeve pipes, between sleeve pipe and sleeve pipe, between sleeve pipe and reinforcement, between sleeve pipe and bundle layer, water blocking layer is set, it is characterized in that: described sheath carries out proportioning by following percentage by weight:
Chlorinated polyvinyl chloride resin 25-35 part;
Fire retardant 10-15 part;
Modifier 5-8 part;
Rubber latex 15-25 part;
Epoxy resin 2-4 part;
Inorganic filler 2-6 part;
Crosslinking and curing agent 0.2-0.8 part;
Anionic emulsifier 0.5-1.0 part;
Stabilizing agent 0.5-0.8 part;
Cellulose 0.1-0.5 part;
PH correctives 0.2-0.6 part;
Water 15-20 part.
Described fire retardant is aluminium hydroxide micro powder; The preparation technology of described aluminium hydroxide micro powder is:
1) aluminium hydroxide is dissolved completely aluminium hydroxide and liquid caustic soda heating, filter, centrifugal, obtain sodium aluminate solution;
2) aluminium hydroxide and water are placed in horizontal ball mill produce active aluminium hydroxide crystal seed;
3) in the sodium aluminate solution prepared, add active aluminium hydroxide crystal seed while stirring, seed rate is 5%, and temperature of reaction controls at 70 DEG C, plant a point stopping stirring after 4 hours under agitation, natural subsidence, filtration, and washing repeatedly enters pressure filter, obtained aluminium hydroxide semi-manufacture;
4) add after surface modifier makes aluminium hydroxide pulpous state in above-mentioned aluminium hydroxide semi-manufacture, add the 3-glycidylpropyl trimethoxy silane being dissolved in 0.2% in propyl alcohol, after stirring half an hour, filtering drying, can obtain aluminium hydroxide micro powder.
The preparation method of described sheath, step is as follows:
(1) preparation of component A:
By chlorinated polyvinyl chloride resin, fire retardant, heat up and be heated to 165 ~ 185 DEG C, drop into modifier, rapid stirring, adds epoxy resin, grinds after stirring with colloid mill, then stir and froth breaking the macromolecule modified material prepared, both secured satisfactory grades sub-modification component A;
(2) preparation of B component:
Water, anionic emulsifier, crosslinking and curing agent and stabilizing agent Hybrid Heating to 70 DEG C, and with adjustment pH value, be adjusted to 10-12, make soap lye, both obtain soap lye modified emulsifying asphalt emulsion B component;
(3) by above-mentioned gained A, B component, add rubber latex, inorganic filler, cellulose successively, stir and static froth breaking.
Fine cream quantity inductor is set inside described sleeve pipe, fine cream storage room is set in sleeve pipe, tearing tape is set in fine cream storage outdoor, tearing tape arranges receiver, fine cream quantity inductor connects receiver, and when fine cream quantity inductor reaches certain quantity, tearing tape can be split automatically.
Described tearing tape is made up of modified polypropene, and tearing tape and sleeve pipe are integral type structure.
The thickness of described bundle layer is 0.16-0.25 millimeter, and described water blocking layer is cable cream, and described reinforcement is fiber reinforced plastics pole or phosphatization steel.
Described cushion is made up of high temperature superconducting materia, and described inner sheath and oversheath are made by low-smoke non-halogen flame-retardant tygon.
The invention has the beneficial effects as follows:
1, the present invention arranges fine cream quantity inductor inside described sleeve pipe, arranges fine cream storage room in sleeve pipe, arranges tearing tape in fine cream storage outdoor, tearing tape arranges receiver, fine cream quantity inductor connects receiver, and when fine cream quantity inductor reaches certain quantity, tearing tape can be split automatically.Described optical fiber arrangement shape is " △ " type, and the quantity of optical fiber is the multiple of 3.Optical cable obtained like this can be very light, convenient in carrying, simultaneously, when fine cream quantity reduces, this information can be passed to receiver by fine cream quantity inductor, and receiver can drive tearing tape automatically to split, and can supplement the quantity of fine cream in time, water and moisture can not be entered in sleeve pipe, extend the serviceable life of optical cable.
2, tearing tape of the present invention is made up of modified polypropene, and tearing tape and sleeve pipe are integral type structure.Like this, tearing tape will be easy to split, and realizes its robotization.
3, the present invention sets gradually cushion and flame retardant coating between described inner sheath and oversheath, and described flame retardant coating is made up of fiber reinforcedceramics.Optical cable can be made to withstand the boisterous baptism such as burning sun, thunderbolt, extend the serviceable life of optical cable.
4, the thickness of bundle layer of the present invention is 0.16-0.25 millimeter, and described water blocking layer is cable cream, and described reinforcement is fiber reinforced plastics pole or phosphatization steel.Described cushion is made up of high temperature superconducting materia, and described inner sheath and oversheath are made by low-smoke non-halogen flame-retardant tygon.The thickness of described oversheath is 1.5-1.8 millimeter, and described oversheath is made up of halogen-free fire-retardant polyethylene material.The serviceable life of optical cable can be extended.
5, by improve the cryogenic property of coating after interpolation rubber latex, the performance of high temperature resistance trickling, low temperature not embrittlement after film forming; After with the addition of epoxy resin, improve high temperature resistant, water tolerance, anti-corrosive properties and the adhesion of coating; After with the addition of stabilizing agent, improve the storage stability of coating; After adding inorganic filler and cellulose, improve viscosity and plasticity, it is flexible that the thick film that coating is formed has excellent high/low temperature, improves the weatherability of coating simultaneously and extend serviceable life.
6, the present invention effectively can resist low-temperature embrittleness after film forming, and the shortcomings such as high temperature trickling, have elastic recovery rate higher simultaneously, the advantages such as good stability and storage time length, fire resistant flame retardant
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1:
An environment-friendly type jacketed cable for superpolymer high flame resistance, comprises sleeve pipe, sheath; Some optical fiber is set in sleeve pipe, between optical fiber and optical fiber, between optical fiber and sleeve pipe, fine cream is set, also comprise reinforcement, sleeve pipe is around the rounded arrangement of reinforcement, bundle layer is wound around outward at all sleeve pipes, between sleeve pipe and sleeve pipe, between sleeve pipe and reinforcement, between sleeve pipe and bundle layer, water blocking layer is set, it is characterized in that: described sheath carries out proportioning by following percentage by weight:
Chlorinated polyvinyl chloride resin 25 parts;
Fire retardant 10 parts;
Modifier 5 parts;
Rubber latex 15 parts;
Epoxy resin 2 parts;
Inorganic filler 2 parts;
Crosslinking and curing agent 0.2 part;
Anionic emulsifier 0.5 part;
Stabilizing agent 0.5 part;
Cellulose 0.1 part;
PH correctives 0.2 part;
15 parts, water.
Described fire retardant is aluminium hydroxide micro powder; The preparation technology of described aluminium hydroxide micro powder is:
1) aluminium hydroxide is dissolved completely aluminium hydroxide and liquid caustic soda heating, filter, centrifugal, obtain sodium aluminate solution;
2) aluminium hydroxide and water are placed in horizontal ball mill produce active aluminium hydroxide crystal seed;
3) in the sodium aluminate solution prepared, add active aluminium hydroxide crystal seed while stirring, seed rate is 5%, and temperature of reaction controls at 70 DEG C, plant a point stopping stirring after 4 hours under agitation, natural subsidence, filtration, and washing repeatedly enters pressure filter, obtained aluminium hydroxide semi-manufacture;
4) add after surface modifier makes aluminium hydroxide pulpous state in above-mentioned aluminium hydroxide semi-manufacture, add the 3-glycidylpropyl trimethoxy silane being dissolved in 0.2% in propyl alcohol, after stirring half an hour, filtering drying, can obtain aluminium hydroxide micro powder.
The preparation method of described sheath, step is as follows:
(1) preparation of component A:
By chlorinated polyvinyl chloride resin, fire retardant, heat up and be heated to 165 DEG C, drop into modifier, rapid stirring, adds epoxy resin, and with colloid mill grinding after stirring, then stir and froth breaking the macromolecule modified material prepared, both secured satisfactory grades sub-modification component A;
(2) preparation of B component:
Water, anionic emulsifier, crosslinking and curing agent and stabilizing agent Hybrid Heating to 70 DEG C, and with adjustment pH value, be adjusted to 10, make soap lye, both obtained soap lye modified emulsifying asphalt emulsion B component;
(3) by above-mentioned gained A, B component, add rubber latex, inorganic filler, cellulose successively, stir and static froth breaking.
Fine cream quantity inductor is set inside described sleeve pipe, fine cream storage room is set in sleeve pipe, tearing tape is set in fine cream storage outdoor, tearing tape arranges receiver, fine cream quantity inductor connects receiver, and when fine cream quantity inductor reaches certain quantity, tearing tape can be split automatically.
Described tearing tape is made up of modified polypropene, and tearing tape and sleeve pipe are integral type structure.
The thickness of described bundle layer is 0.16 millimeter, and described water blocking layer is cable cream, and described reinforcement is fiber reinforced plastics pole or phosphatization steel.
Described cushion is made up of high temperature superconducting materia, and described inner sheath and oversheath are made by low-smoke non-halogen flame-retardant tygon.
Embodiment 2
An environment-friendly type jacketed cable for superpolymer high flame resistance, comprises sleeve pipe, sheath; Some optical fiber is set in sleeve pipe, between optical fiber and optical fiber, between optical fiber and sleeve pipe, fine cream is set, also comprise reinforcement, sleeve pipe is around the rounded arrangement of reinforcement, bundle layer is wound around outward at all sleeve pipes, between sleeve pipe and sleeve pipe, between sleeve pipe and reinforcement, between sleeve pipe and bundle layer, water blocking layer is set, it is characterized in that: described sheath carries out proportioning by following percentage by weight:
Chlorinated polyvinyl chloride resin 35 parts;
Fire retardant 15 parts;
Modifier 8 parts;
Rubber latex 25 parts;
Epoxy resin 4 parts;
Inorganic filler 6 parts;
Crosslinking and curing agent 0.8 part;
Anionic emulsifier 1.0 parts;
Stabilizing agent 0.8 part;
Cellulose 0.5 part;
PH correctives 0.6 part;
20 parts, water.
Described fire retardant is aluminium hydroxide micro powder; The preparation technology of described aluminium hydroxide micro powder is:
1) aluminium hydroxide is dissolved completely aluminium hydroxide and liquid caustic soda heating, filter, centrifugal, obtain sodium aluminate solution;
2) aluminium hydroxide and water are placed in horizontal ball mill produce active aluminium hydroxide crystal seed;
3) in the sodium aluminate solution prepared, add active aluminium hydroxide crystal seed while stirring, seed rate is 5%, and temperature of reaction controls at 70 DEG C, plant a point stopping stirring after 4 hours under agitation, natural subsidence, filtration, and washing repeatedly enters pressure filter, obtained aluminium hydroxide semi-manufacture;
4) add after surface modifier makes aluminium hydroxide pulpous state in above-mentioned aluminium hydroxide semi-manufacture, add the 3-glycidylpropyl trimethoxy silane being dissolved in 0.2% in propyl alcohol, after stirring half an hour, filtering drying, can obtain aluminium hydroxide micro powder.
The preparation method of described sheath, step is as follows:
(1) preparation of component A:
By chlorinated polyvinyl chloride resin, fire retardant, heat up and be heated to 185 DEG C, drop into modifier, rapid stirring, adds epoxy resin, and with colloid mill grinding after stirring, then stir and froth breaking the macromolecule modified material prepared, both secured satisfactory grades sub-modification component A;
(2) preparation of B component:
Water, anionic emulsifier, crosslinking and curing agent and stabilizing agent Hybrid Heating to 70 DEG C, and with adjustment pH value, be adjusted to 12, make soap lye, both obtained soap lye modified emulsifying asphalt emulsion B component;
(3) by above-mentioned gained A, B component, add rubber latex, inorganic filler, cellulose successively, stir and static froth breaking.
Fine cream quantity inductor is set inside described sleeve pipe, fine cream storage room is set in sleeve pipe, tearing tape is set in fine cream storage outdoor, tearing tape arranges receiver, fine cream quantity inductor connects receiver, and when fine cream quantity inductor reaches certain quantity, tearing tape can be split automatically.
Described tearing tape is made up of modified polypropene, and tearing tape and sleeve pipe are integral type structure.
The thickness of described bundle layer is 0.25 millimeter, and described water blocking layer is cable cream, and described reinforcement is fiber reinforced plastics pole or phosphatization steel.
Described cushion is made up of high temperature superconducting materia, and described inner sheath and oversheath are made by low-smoke non-halogen flame-retardant tygon.
The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. an environment-friendly type jacketed cable for superpolymer high flame resistance, comprises sleeve pipe, sheath; Some optical fiber is set in sleeve pipe, between optical fiber and optical fiber, between optical fiber and sleeve pipe, fine cream is set, also comprise reinforcement, sleeve pipe is around the rounded arrangement of reinforcement, bundle layer is wound around outward at all sleeve pipes, between sleeve pipe and sleeve pipe, between sleeve pipe and reinforcement, between sleeve pipe and bundle layer, water blocking layer is set, it is characterized in that: described sheath carries out proportioning by following percentage by weight:
Chlorinated polyvinyl chloride resin 25-35 part;
Fire retardant 10-15 part;
Modifier 5-8 part;
Rubber latex 15-25 part;
Epoxy resin 2-4 part;
Inorganic filler 2-6 part;
Crosslinking and curing agent 0.2-0.8 part;
Anionic emulsifier 0.5-1.0 part;
Stabilizing agent 0.5-0.8 part;
Cellulose 0.1-0.5 part;
PH correctives 0.2-0.6 part;
Water 15-20 part;
Described fire retardant is aluminium hydroxide micro powder; The preparation technology of described aluminium hydroxide micro powder is:
1) aluminium hydroxide is dissolved completely aluminium hydroxide and liquid caustic soda heating, filter, centrifugal, obtain sodium aluminate solution;
2) aluminium hydroxide and water are placed in horizontal ball mill produce active aluminium hydroxide crystal seed;
3) in the sodium aluminate solution prepared, add active aluminium hydroxide crystal seed while stirring, seed rate is 5%, and temperature of reaction controls at 70 DEG C, plant a point stopping stirring after 4 hours under agitation, natural subsidence, filtration, and washing repeatedly enters pressure filter, obtained aluminium hydroxide semi-manufacture;
4) add after surface modifier makes aluminium hydroxide pulpous state in above-mentioned aluminium hydroxide semi-manufacture, add the 3-glycidylpropyl trimethoxy silane being dissolved in 0.2% in propyl alcohol, after stirring half an hour, filtering drying, can obtain aluminium hydroxide micro powder.
2. the environment-friendly type jacketed cable of a kind of superpolymer high flame resistance according to claim 1, it is characterized in that: the preparation method of described sheath, step is as follows:
(1) preparation of component A:
By chlorinated polyvinyl chloride resin, fire retardant, heat up and be heated to 165 ~ 185 DEG C, drop into modifier, rapid stirring, adds epoxy resin, grinds after stirring with colloid mill, then stir and froth breaking the macromolecule modified material prepared, both secured satisfactory grades sub-modification component A;
(2) preparation of B component:
Water, anionic emulsifier, crosslinking and curing agent and stabilizing agent Hybrid Heating to 70 DEG C, and with adjustment pH value, be adjusted to 10-12, make soap lye, both obtain soap lye modified emulsifying asphalt emulsion B component;
(3) by above-mentioned gained A, B component, add rubber latex, inorganic filler, cellulose successively, stir and static froth breaking;
Fine cream quantity inductor is set inside described sleeve pipe, fine cream storage room is set in sleeve pipe, tearing tape is set in fine cream storage outdoor, tearing tape arranges receiver, fine cream quantity inductor connects receiver, and when fine cream quantity inductor reaches certain quantity, tearing tape can be split automatically.
3. the environment-friendly type jacketed cable of a kind of superpolymer high flame resistance according to claim 2, is characterized in that: described tearing tape is made up of modified polypropene, and tearing tape and sleeve pipe are integral type structure.
4. the environment-friendly type jacketed cable of a kind of superpolymer high flame resistance according to claim 1 or 4, it is characterized in that: the thickness of described bundle layer is 0.16-0.25 millimeter, described water blocking layer is cable cream, and described reinforcement is fiber reinforced plastics pole or phosphatization steel.
5. the environment-friendly type jacketed cable of a kind of superpolymer high flame resistance according to claim 5, is characterized in that: described cushion is made up of high temperature superconducting materia, and described inner sheath and oversheath are made by low-smoke non-halogen flame-retardant tygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182048.3A CN104880785B (en) | 2015-04-17 | 2015-04-17 | A kind of environment-friendly type jacketed cable of high polymer high flame resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182048.3A CN104880785B (en) | 2015-04-17 | 2015-04-17 | A kind of environment-friendly type jacketed cable of high polymer high flame resistance |
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| CN104880785A true CN104880785A (en) | 2015-09-02 |
| CN104880785B CN104880785B (en) | 2018-01-23 |
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| CN201510182048.3A Active CN104880785B (en) | 2015-04-17 | 2015-04-17 | A kind of environment-friendly type jacketed cable of high polymer high flame resistance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483614A (en) * | 2016-10-19 | 2017-03-08 | 宁波三博电子科技有限公司 | A kind of high heat resistant type flexible optical cable and preparation method thereof |
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| CN201974557U (en) * | 2011-02-24 | 2011-09-14 | 江苏南方通信科技有限公司 | High fiber count layer stranded type optical cable |
| CN102532763A (en) * | 2011-12-27 | 2012-07-04 | 江苏德威新材料股份有限公司 | Chlorinated polrvinyl chloride modified material as well as preparation method and application thereof |
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2015
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| US5886072A (en) * | 1993-05-24 | 1999-03-23 | Teknor Apex Company | Flame retardant composition |
| KR100586113B1 (en) * | 2003-10-21 | 2006-06-07 | 엘에스전선 주식회사 | High flame retardant and low smoke sheath material composition with excellent thermal stability and cable with sheath formed therefrom |
| CN201974557U (en) * | 2011-02-24 | 2011-09-14 | 江苏南方通信科技有限公司 | High fiber count layer stranded type optical cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106483614A (en) * | 2016-10-19 | 2017-03-08 | 宁波三博电子科技有限公司 | A kind of high heat resistant type flexible optical cable and preparation method thereof |
| CN106483614B (en) * | 2016-10-19 | 2019-03-05 | 江苏华脉光电科技有限公司 | A kind of high heat resistance type flexible optical cable and preparation method thereof |
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| CN104880785B (en) | 2018-01-23 |
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Effective date of registration: 20180711 Address after: 213200 No. 1798-1 South East Road, Jintan District, Changzhou, Jiangsu Patentee after: Jiangsu Yingke Communications Technology Co., Ltd. Address before: 213104 Zhencencun Road, Luoyang Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: Jiangsu Nanfang Communications Technology Co., Ltd. |
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