CN106448813A - Corrosion-resistant cable used for signal transmission - Google Patents

Corrosion-resistant cable used for signal transmission Download PDF

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Publication number
CN106448813A
CN106448813A CN201610536881.8A CN201610536881A CN106448813A CN 106448813 A CN106448813 A CN 106448813A CN 201610536881 A CN201610536881 A CN 201610536881A CN 106448813 A CN106448813 A CN 106448813A
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CN
China
Prior art keywords
parts
polyethylene
layer
corrosion
restrictive coating
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.)
Granted
Application number
CN201610536881.8A
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Chinese (zh)
Other versions
CN106448813B (en
Inventor
王国权
张波
于旭尔
王鹏飞
王鹏
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
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Jiangsu Hengtong Wire and Cable Technology Co Ltd
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Publication date
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Priority to CN201610536881.8A priority Critical patent/CN106448813B/en
Publication of CN106448813A publication Critical patent/CN106448813A/en
Application granted granted Critical
Publication of CN106448813B publication Critical patent/CN106448813B/en
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Classifications

    • 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
    • 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
    • H01B11/02—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

The invention discloses a corrosion-resistant cable used for signal transmission. A first sheath layer is composed of an internal polyvinyl chloride layer and an external thermoplastic polyurethane layer. A first polyethylene rope and a second polyethylene rope are arranged in a bar-shaped connecting part and respectively positioned at the two sides of a V-shaped groove. Multiple air holes are circumferentially distributed in a polyethylene layer. The thermoplastic polyurethane layer comprises the following components: thermoplastic poly acetaminophen elastomers, low-density polyethylene, ethylene ethyl acrylate, ethylene butylene copolymers, silicon dioxide, butyronitrile compounds, chlorinated polyethylene, zinc stannate, magnesium hydroxide and composite molybdenum smoke suppression agents. Multiple convex blocks are circumferentially and evenly distributed on the surface of the polyvinyl chloride layer contacted with the thermoplastic polyurethane layer, and the external sheath layer comprises multiple holes so that high insulation can be realized and corrosion resistance can also be realized under the effect of tension, the sheath layers are not separated or layered and thus the reliability and the service life of the product can be enhanced.

Description

Corrosion-resistant cable for transmission signal
Technical field
The present invention relates to a kind of data cable, more particularly, to a kind of corrosion-resistant cable for transmission signal.
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 provides a kind of corrosion-resistant cable for transmission signal, and the corrosion-resistant cable that this is used for transmission signal improves Against weather and fire resistance, it also avoid simultaneously due to materials variances larger, the lamination that leads to, improve polychlorostyrene Pvdf layer, thermoplastic urethane layers 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 corrosion-resistant cable for transmission signal, bag Include steel wire and 4 heart yearns being coated with polyethylene layer, this heart yearn by the polyethylene strip positioned at center and stranded outside polyethylene strip 6 copper conductor compositions on surface；
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：90 parts of thermoplastic poly ammonia phenol elastomer, melt index are 1 ~ 8g/ 16 parts of the low density polyethylene (LDPE) of 10min, 12 parts of ethylene ethyl acrylate, 8 parts of ethylene-butylene copolymer, 6 parts of silica, butyronitrile 14 parts of compound, 7.5 parts of haloflex, 10 parts of zinc stannate, 9 parts of magnesium hydroxide, compound 5 parts of molybdenum smoke suppressant, 3 parts of montmorillonite, 2 parts of calcium-zinc composite stabilizing agent, double（3,5- three-level butyl -4- hydroxy phenyls）2 parts of thioether, 3 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 present invention is used for the corrosion-resistant cable of transmission signal, described first restrictive coating by the polyvinyl chloride layer positioned at inner side and Thermoplastic urethane layers composition positioned at outside, thermoplastic urethane layers include thermoplastic poly ammonia phenol elastomer, the melting of collocation Index is the low density polyethylene (LDPE) of 1 ~ 8g/10min, ethylene ethyl acrylate, and calcium-zinc composite stabilizing agent is double（3,5- three-level butyl- 4- hydroxy phenyl）Thioether, zinc stearate, ethylene-butylene copolymer, silica, haloflex is so that the first restrictive coating is comprehensive Closed respective advantage, improve against weather and fire resistance, it also avoid simultaneously due to materials variances larger, lead to Lamination, improves polyvinyl chloride layer, thermoplastic urethane layers contact surface compatibility and firmness, improves properties of product Reliability and service life；Secondly, which raises the first restrictive coating thermal stability result, radiotolerant characteristic, improve simultaneously Insulating properties, surface abrasion resistance and case hardness, surface cloudy surface matte effect shrinkage factor that is excellent and reducing material.
2. the present invention is used for the corrosion-resistant cable of transmission signal, is located at polyvinyl chloride layer outer surface in its first restrictive coating Thermoplastic urethane layers contain zinc stannate further, magnesium hydroxide, compound molybdenum smoke suppressant, montmorillonite is simultaneously worked in coordination with other components Effect, butyronitrile compound, improve greatly Flame Retardancy energy, the oxygen index (OI) representing anti-flammability is high, and make material in combustion There is during burning good one-tenth charcoal effect, define stable hollow and be combined carbon structure, prevent second-time burning and the flame of material Propagate.
3. the present invention be used for transmission signal corrosion-resistant cable, its heart yearn by the polyethylene strip positioned at center and stranded in 6 copper conductors of polyethylene strip outer surface form on the basis of ensureing self-supporting cable tensile strength, by using in neck Between both sides respectively increase by one V-type groove, the first polyethylene rope, the second polyethylene rope are located at that bar shaped connecting portion is internal and position respectively In v-depression both sides, when under tension is torn, stress point all can concentrate on V-type groove part to cable, cable be easy for by Separate, 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 outer The thermoplastic urethane layers composition of side, the surface that described polyvinyl chloride layer is contacted with thermoplastic urethane layers is uniformly distributed circumferentially There are several projections, all have in external sheath layer containing several cavities, under a stretching force, both achieved high insulation, and also realized Corrosion-resistant, and restrictive coating do not separate or is layered, and improves reliability and the life-span of product, also improves the transporting of cable Can, 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 used for the corrosion-resistant cable structure schematic diagram of transmission signal for the present invention；
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 corrosion-resistant cable for transmission signal, including steel wire 1 and 4 heart yearns being coated with polyethylene layer 21 2, this heart yearn 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：90 parts of thermoplastic poly ammonia phenol elastomer, melt index are 1 16 parts of the low density polyethylene (LDPE) of ~ 8g/10min, 12 parts of ethylene ethyl acrylate, 8 parts of ethylene-butylene copolymer, 6 parts of silica, 14 parts of butyronitrile compound, 7.5 parts of haloflex, 10 parts of zinc stannate, 9 parts of magnesium hydroxide, compound 5 parts of molybdenum smoke suppressant, montmorillonite 3 Part, 2 parts of calcium-zinc composite stabilizing agent, double（3,5- three-level butyl -4- hydroxy phenyls）2 parts of thioether, 3 parts of zinc stearate.
Embodiment is used for the first restrictive coating performance in the corrosion-resistant cable of transmission signal and 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 corrosion-resistant cable for transmission signal it is characterised in that：Including steel wire（1）It is coated with polyethylene layer with 4 （21）Heart yearn（2）, this heart yearn（2）By the polyethylene strip positioned at center（10）With stranded in polyethylene strip（10）The 6 of outer surface Root copper conductor（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：90 parts of thermoplastic poly ammonia phenol elastomer, melt index be 1 ~ 16 parts of the low density polyethylene (LDPE) of 8g/10min, 12 parts of ethylene ethyl acrylate, 8 parts of ethylene-butylene copolymer, 6 parts of silica, 14 parts of butyronitrile compound, 7.5 parts of haloflex, 10 parts of zinc stannate, 9 parts of magnesium hydroxide, compound 5 parts of molybdenum smoke suppressant, montmorillonite 3 Part, 2 parts of calcium-zinc composite stabilizing agent, double（3,5- three-level butyl -4- hydroxy phenyls）2 parts of thioether, 3 parts of zinc stearate.
2. the corrosion-resistant cable for transmission signal 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 corrosion-resistant cable for transmission signal according to claim 1 and 2 it is characterised in that：Described polyvinyl chloride Layer（31）The projection on surface（7）Quantity is 8.
CN201610536881.8A 2014-10-28 2014-10-28 It is used for transmission the corrosion-resistant cable of signal Active CN106448813B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610536881.8A CN106448813B (en) 2014-10-28 2014-10-28 It is used for transmission the corrosion-resistant cable of signal

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

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

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CN106448813A true CN106448813A (en) 2017-02-22
CN106448813B CN106448813B (en) 2018-04-13

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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
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

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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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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
KR100907581B1 (en) * 2008-03-05 2009-07-14 엘에스전선 주식회사 Self-supporting type optical cable with improved flexibility
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
CN202601248U (en) * 2012-06-07 2012-12-12 嘉兴市新缆电缆有限公司 Sheath reinforcement type 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

Also Published As

Publication number Publication date
CN106448813B (en) 2018-04-13
CN104318987A (en) 2015-01-28
CN106448837A (en) 2017-02-22
CN104318987B (en) 2017-01-18

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