CN106448837A - Flame retardant and wear resistant communication cable - Google Patents

Flame retardant and wear resistant communication cable Download PDF

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Publication number
CN106448837A
CN106448837A CN201610536857.4A CN201610536857A CN106448837A CN 106448837 A CN106448837 A CN 106448837A CN 201610536857 A CN201610536857 A CN 201610536857A CN 106448837 A CN106448837 A CN 106448837A
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CN
China
Prior art keywords
parts
polyethylene
flame retardant
layer
communication cable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610536857.4A
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Chinese (zh)
Inventor
王国权
吴士杰
谭言秦
冯强
冯成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengtong Wire and Cable Technology Co Ltd
Original Assignee
Jiangsu Hengtong Wire and Cable Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Hengtong Wire and Cable Technology Co Ltd filed Critical Jiangsu Hengtong Wire and Cable Technology Co Ltd
Priority to CN201610536857.4A priority Critical patent/CN106448837A/en
Publication of CN106448837A publication Critical patent/CN106448837A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/005—Quad constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H01B7/0208—Cables with several layers of insulating material
    • H01B7/0225—Three or more layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/184—Sheaths comprising grooves, ribs or other projections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/1875—Multi-layer sheaths
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation

Abstract

A flame retardant and wear resistant communication cable disclosed by the present invention comprises a steel wire and four core wires wrapped with polyethylene layers, each core wire is composed of a polyethylene strip located in the center and six copper conductors twisted on the outer surface of the polyethylene strip. A first sheath layer wraps the outer surfaces of two copper conductors, a second sheath layer wraps the outer surface of the steel wire, a bar-shaped connection part is located between the first sheath layer and the second sheath layer, and V-shaped grooves are both arranged at the left and right sides of the bar-shaped connection part. The first sheath layer is composed of a polyvinyl chloride layer located at the inner side and a thermoplastic polyurethane layer located at the outer side, a first polyethylene rope and a second polyethylene rope are located in the bar-shaped connection part and are located at the two sides of the V-shaped groove respectively, and a plurality of pores are distributed in the polyethylene layer and along a circumferential direction. The flame retardant and wear resistant communication cable of the present invention enables the weatherability and the flame retardant property to be improved, at the same time, enables the insulating property, the surface wear resistance and the surface hardness to be improved.

Description

The wear-resisting communication cable of flame retardant type
Technical field
The present invention relates to a kind of data cable, the wear-resisting communication cable of more particularly, to a kind of flame retardant type.
Background technology
Existing communication data cable jacket insulation poor performance, easily aging, mechanical performance environmental resistance is poor.Mainly deposit In following technical problem：（1）When requiring to improve the many indexes such as insulating properties, against weather and fire resistance simultaneously it is difficult to Take into account simultaneously, often lead to wherein part index number and decline or difficult raising；（2）, when under tension is torn, stress point is all for cable Can concentrate, cable is easy for being separated, the cable core of destructible cable；（3）Heat endurance and radiotolerant characteristic are poor, insulation Performance, surface abrasion resistance and case hardness, also to be improved.How to solve above-mentioned technical problem and become those skilled in the art to exert The direction of power.
Content of the invention
The present invention provide a kind of wear-resisting communication cable of flame retardant type, the wear-resisting communication cable of this flame retardant type improve against weather and Fire resistance, it also avoid simultaneously due to materials variances larger, the lamination that leads to, improve polyvinyl chloride layer, thermoplastic Property layer of polyurethane contact surface compatibility and firmness, improve reliability and the service life of properties of product.
For reaching above-mentioned purpose, the technical solution used in the present invention is：A kind of wear-resisting communication cable of flame retardant type, including steel wire The heart yearn being coated with polyethylene layer with 4, this heart yearn by the polyethylene strip positioned at center and stranded in the 6 of polyethylene strip outer surface Root copper conductor forms；
First restrictive coating is coated on 2 described outer surface of copper conductors, and the second restrictive coating is coated on steel wire outer surface；One bar shaped connects Portion is located between the first restrictive coating and the second restrictive coating, and this bar shaped connecting portion arranged on left and right sides is equipped with v-depression；Described first Restrictive coating by the polyvinyl chloride layer positioned at inner side and is located at the thermoplastic urethane layers in outside and forms, the first polyethylene rope, second Polyethylene rope is located at bar shaped connecting portion inside and is located at v-depression both sides respectively；If circumferentially distributed in described polyethylene layer have Dry pore；
Described thermoplastic urethane layers are composed of the following components：88 parts of thermoplastic poly ammonia phenol elastomer, melt index are 1 ~ 8g/ 17 parts of the low density polyethylene (LDPE) of 10min, 10 parts of ethylene ethyl acrylate, 8.7 parts of ethylene-butylene copolymer, 5 parts of silica, fourth 12 parts of nitrile compound, 8.5 parts of haloflex, 12 parts of zinc stannate, 7.5 parts of magnesium hydroxide, compound 6.5 parts of molybdenum smoke suppressant, illiteracy are de- 2 parts of soil, 2.6 parts of calcium-zinc composite stabilizing agent, double（3,5- three-level butyl -4- hydroxy phenyls）1.6 parts of thioether, 2.8 parts of zinc stearate.
In technique scheme, further improved technology scheme is as follows：
1. in such scheme, if the surface that described polyvinyl chloride layer is contacted with thermoplastic urethane layers has been uniformly distributed circumferentially Dry projection.
2., in such scheme, the surface that described polyvinyl chloride layer is contacted with thermoplastic urethane layers is uniformly distributed circumferentially There are several projections.
Because technique scheme is used, the present invention compared with prior art has following advantages：
1. the wear-resisting communication cable of flame retardant type of the present invention, described first restrictive coating by the polyvinyl chloride layer positioned at inner side and is located at outer The thermoplastic urethane layers composition of side, thermoplastic urethane layers include thermoplastic poly ammonia phenol elastomer, and the melt index of collocation is 1 The low density polyethylene (LDPE) of ~ 8g/10min, ethylene ethyl acrylate, calcium-zinc composite stabilizing agent, double（3,5- three-level butyl -4- hydroxyls Phenyl）Thioether, zinc stearate, ethylene-butylene copolymer, silica, haloflex is so that the first restrictive coating combines respectively From advantage, improve against weather and fire resistance, it also avoid simultaneously due to materials variances larger, the layering that leads to is existing As improving polyvinyl chloride layer, thermoplastic urethane layers contact surface compatibility and firmness, improve the reliability of properties of product Property and service life；Secondly, which raises the first restrictive coating thermal stability result, radiotolerant characteristic, improve insulation simultaneously Performance, surface abrasion resistance and case hardness, surface cloudy surface matte effect shrinkage factor that is excellent and reducing material.
2. the wear-resisting communication cable of flame retardant type of the present invention, is located at the thermoplastic of polyvinyl chloride layer outer surface in its first restrictive coating Property layer of polyurethane contain zinc stannate further, magnesium hydroxide, compound molybdenum smoke suppressant, montmorillonite simultaneously with other components synergy, Butyronitrile compound, improves greatly Flame Retardancy energy, and the oxygen index (OI) representing anti-flammability is high, and makes material tool in burning There is good one-tenth charcoal effect, define stable hollow and be combined carbon structure, prevent second-time burning and the flame propagation of material.
3. the wear-resisting communication cable of flame retardant type of the present invention, its heart yearn by the polyethylene strip positioned at center and stranded in polyethylene 6 copper conductors of bar outer surface form on the basis of ensureing self-supporting cable tensile strength, by using two in the middle of neck Side respectively increases by one V-type groove, and the first polyethylene rope, the second polyethylene rope are located at bar shaped connecting portion inside and are located at V-arrangement respectively Groove both sides, when under tension is torn, stress point all can concentrate on V-type groove part to cable, and cable is easy for being separated, And the cable core of cable will not be destroyed；Secondly, described first restrictive coating by the polyvinyl chloride layer positioned at inner side and is located at outside Thermoplastic urethane layers form, if the surface that described polyvinyl chloride layer is contacted with thermoplastic urethane layers has been uniformly distributed circumferentially Dry projection, all has in external sheath layer containing several cavities, under a stretching force, had both achieved high insulation, and also achieved resistance to Corrode, and restrictive coating do not separate or is layered, and improves reliability and the life-span of product, also improves the transmission performance of cable, Improve pliability again, prevent from being frequently bended and cause polyvinyl chloride layer, thermoplastic urethane layers cracking or be layered.
Brief description
Accompanying drawing 1 is flame retardant type of the present invention wear-resisting communication cable structural representation；
Accompanying drawing 2 is partial structural diagram in weatherability data flexible cable of the present invention；
Accompanying drawing 3 is the partial structural diagram of accompanying drawing 1.
In the figures above：1st, steel wire；2nd, heart yearn；21st, polyethylene layer；3rd, the first restrictive coating；31st, polyvinyl chloride layer；32nd, heat Plastic polyurethane layer；4th, the second restrictive coating；5th, bar shaped connecting portion；6th, v-depression；7th, projection；81st, the first polyethylene rope；82nd, Dimerized vinyl rope；9th, pore；10th, polyethylene strip；11st, copper conductor.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment：A kind of wear-resisting communication cable of flame retardant type, is coated with the heart yearn 2 of polyethylene layer 21, this core including steel wire 1 and 4 Line 2 is made up of the polyethylene strip 10 positioned at center and stranded 6 copper conductors 11 in polyethylene strip 10 outer surface；
First restrictive coating 3 is coated on 2 described copper conductor 2 outer surfaces, and the second restrictive coating 4 is coated on steel wire 1 outer surface；One bar shaped Connecting portion 5 is located between the first restrictive coating 3 and the second restrictive coating 4, and this bar shaped connecting portion 5 arranged on left and right sides is equipped with v-depression 6； Described first restrictive coating 3 forms by the polyvinyl chloride layer 31 positioned at inner side with positioned at the thermoplastic urethane layers 32 in outside, and first Polyethylene rope 81, the second polyethylene rope 82 are located at bar shaped connecting portion 5 inside and are located at v-depression 6 both sides respectively；Described polyethylene Circumferentially distributed in layer 21 have several pores 9.
It is convex that the surface that above-mentioned polyvinyl chloride layer 31 is contacted with thermoplastic urethane layers 32 has been uniformly distributed circumferentially several Block 7；Projection 7 quantity on above-mentioned polyvinyl chloride layer 31 surface is 8
Above-mentioned thermoplastic urethane layers 32 are composed of the following components：88 parts of thermoplastic poly ammonia phenol elastomer, melt index are 1 ~ 8g/ 17 parts of the low density polyethylene (LDPE) of 10min, 10 parts of ethylene ethyl acrylate, 8.7 parts of ethylene-butylene copolymer, 5 parts of silica, fourth 12 parts of nitrile compound, 8.5 parts of haloflex, 12 parts of zinc stannate, 7.5 parts of magnesium hydroxide, compound 6.5 parts of molybdenum smoke suppressant, illiteracy are de- 2 parts of soil, 2.6 parts of calcium-zinc composite stabilizing agent, double（3,5- three-level butyl -4- hydroxy phenyls）1.6 parts of thioether, 2.8 parts of zinc stearate.
In the wear-resisting communication cable of embodiment 1 ~ 5 flame retardant type, the first restrictive coating performance is shown in Table 2：
Table 2
Above-described embodiment only technology design to illustrate the invention and feature, its object is to allow person skilled in the art's energy Solution present disclosure much of that is simultaneously implemented according to this, can not be limited the scope of the invention with this.All spiritual according to the present invention Equivalence changes or modification that essence is made, all should be included within the scope of the present invention.

Claims (3)

1. a kind of wear-resisting communication cable of flame retardant type it is characterised in that：Including steel wire（1）It is coated with polyethylene layer with 4（21）'s Heart yearn（2）, this heart yearn（2）By the polyethylene strip positioned at center（10）With stranded in polyethylene strip（10）6 copper of outer surface are led Body（11）Composition；
First restrictive coating（3）It is coated on 2 described copper conductors（2）Outer surface, the second restrictive coating（4）It is coated on steel wire（1）Appearance Face；One bar shaped connecting portion（5）Positioned at the first restrictive coating（3）With the second restrictive coating（4）Between, this bar shaped connecting portion（5）Left and right two Side is equipped with v-depression（6）；Described first restrictive coating（3）By the polyvinyl chloride layer positioned at inner side（31）With the heat positioned at outside Plastic polyurethane layer（32）Composition, the first polyethylene rope（81）, the second polyethylene rope（82）Positioned at bar shaped connecting portion（5）Internal and It is located at v-depression respectively（6）Both sides；Described polyethylene layer（21）Interior circumferentially distributed have several pores（9）；
Described thermoplastic urethane layers（32）Composed of the following components：88 parts of thermoplastic poly ammonia phenol elastomer, melt index be 1 ~ 17 parts of the low density polyethylene (LDPE) of 8g/10min, 10 parts of ethylene ethyl acrylate, 8.7 parts of ethylene-butylene copolymer, silica 5 Part, 12 parts of butyronitrile compound, 8.5 parts of haloflex, 12 parts of zinc stannate, 7.5 parts of magnesium hydroxide, compound 6.5 parts of molybdenum smoke suppressant, 2 parts of montmorillonite, 2.6 parts of calcium-zinc composite stabilizing agent, double（3,5- three-level butyl -4- hydroxy phenyls）1.6 parts of thioether, zinc stearate 2.8 part.
2. the wear-resisting communication cable of flame retardant type according to claim 1 and 2 it is characterised in that：Described polyvinyl chloride layer（31） With thermoplastic urethane layers（32）The surface of contact has been uniformly distributed circumferentially several projections（7）.
3. the wear-resisting communication cable of flame retardant type according to claim 1 and 2 it is characterised in that：Described polyvinyl chloride layer（31） The projection on surface（7）Quantity is 8.
CN201610536857.4A 2014-10-28 2014-10-28 Flame retardant and wear resistant communication cable Pending CN106448837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610536857.4A CN106448837A (en) 2014-10-28 2014-10-28 Flame retardant and wear resistant communication cable

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410586392.4A CN104318987B (en) 2014-10-28 2014-10-28 Weather-resistant flexible data cable for communication
CN201610536857.4A CN106448837A (en) 2014-10-28 2014-10-28 Flame retardant and wear resistant communication cable

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201410586392.4A Division CN104318987B (en) 2014-10-28 2014-10-28 Weather-resistant flexible data cable for communication

Publications (1)

Publication Number Publication Date
CN106448837A true CN106448837A (en) 2017-02-22

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Application Number Title Priority Date Filing Date
CN201610536857.4A Pending CN106448837A (en) 2014-10-28 2014-10-28 Flame retardant and wear resistant communication cable
CN201410586392.4A Active CN104318987B (en) 2014-10-28 2014-10-28 Weather-resistant flexible data cable for communication
CN201610536881.8A Active CN106448813B (en) 2014-10-28 2014-10-28 It is used for transmission the corrosion-resistant cable of signal

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Application Number Title Priority Date Filing Date
CN201410586392.4A Active CN104318987B (en) 2014-10-28 2014-10-28 Weather-resistant flexible data cable for communication
CN201610536881.8A Active CN106448813B (en) 2014-10-28 2014-10-28 It is used for transmission the corrosion-resistant cable of signal

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Publication number Priority date Publication date Assignee Title
CN104835591A (en) * 2015-03-18 2015-08-12 江苏亨通线缆科技有限公司 Anti-mouse telephone lead-in line
CN104766672A (en) * 2015-03-18 2015-07-08 江苏亨通线缆科技有限公司 Telephone incoming line easy to install and lay
CN104821198A (en) * 2015-03-18 2015-08-05 江苏亨通线缆科技有限公司 High-tensile-strength telephone lead-in wire
CN104810095A (en) * 2015-03-18 2015-07-29 江苏亨通线缆科技有限公司 Termite-resistant type telephone lead-in line
CN112002478A (en) * 2020-07-07 2020-11-27 临沂启阳电缆有限公司 Polymer environmental protection flame retarded cable

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CN2606430Y (en) * 2003-02-20 2004-03-10 北京市南郊瀛海电信器材厂 Self-bearing digital copper core lead-in wire for user
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CN201936668U (en) * 2010-11-09 2011-08-17 江苏省电力公司徐州供电公司 Different-core cable
CN203826037U (en) * 2014-05-15 2014-09-10 乐清市威尔龙高温线缆有限公司 Outdoor cable
CN203839123U (en) * 2014-03-24 2014-09-17 江苏亨通线缆科技有限公司 Non-strain data transmission cable used for local area network

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Publication number Priority date Publication date Assignee Title
JPH10302550A (en) * 1997-04-30 1998-11-13 Sumitomo Electric Ind Ltd Self supporting type cable
CN2606430Y (en) * 2003-02-20 2004-03-10 北京市南郊瀛海电信器材厂 Self-bearing digital copper core lead-in wire for user
CN201298376Y (en) * 2008-11-14 2009-08-26 佛山市南海讯联信息有限公司 A self-bearing easily tearing broadband telephone line
CN101613504A (en) * 2009-07-24 2009-12-30 青岛中阳消防科技有限公司 A kind of material and preparation method with temperature sensing cable material of CRT characteristic
CN201936668U (en) * 2010-11-09 2011-08-17 江苏省电力公司徐州供电公司 Different-core cable
CN203839123U (en) * 2014-03-24 2014-09-17 江苏亨通线缆科技有限公司 Non-strain data transmission cable used for local area network
CN203826037U (en) * 2014-05-15 2014-09-10 乐清市威尔龙高温线缆有限公司 Outdoor cable

Also Published As

Publication number Publication date
CN106448813A (en) 2017-02-22
CN106448813B (en) 2018-04-13
CN104318987A (en) 2015-01-28
CN104318987B (en) 2017-01-18

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