CN106409406A - Bending-resistant four-core telephone lead-in wire - Google Patents
Bending-resistant four-core telephone lead-in wire Download PDFInfo
- Publication number
- CN106409406A CN106409406A CN201610542406.1A CN201610542406A CN106409406A CN 106409406 A CN106409406 A CN 106409406A CN 201610542406 A CN201610542406 A CN 201610542406A CN 106409406 A CN106409406 A CN 106409406A
- Authority
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- China
- Prior art keywords
- layer
- twisted wire
- wire pair
- polyvinyl chloride
- twisted
- 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.)
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Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- 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
- H01B11/04—Cables with twisted pairs or quads with pairs or quads mutually positioned to reduce cross-talk
-
- 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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Insulated Conductors (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a bending-resistant four-core telephone lead-in wire, which comprises four round copper conductors; four wires are twisted two by two to form a first twisted wire pair and a second twisted wire pair respectively; the first twisted wire pair and the second twisted wire pair are twisted to form a core wire; a polyvinyl chloride layer coats the outer surface of a polyester tape; a polyethylene sheath layer coats the outer surface of the polyvinyl chloride layer; a middle tensile layer is arranged between the polyvinyl chloride layer and the polyethylene sheath layer; the middle tensile layer is prepared from the following components: polyamide-6 resin, polyhexamethylene sebacamide, an ethylene and norbornene copolymer, maleic anhydride-grafted amorphous polyolefin, N,N'-bis(beta-naphthyl) p-phenylenediamine, polyethylene wax, polyethylene glycol and glycerol acetate. According to the bending-resistant four-core telephone lead-in wire, the interference of signal transmission is reduced and the tensile strength is significantly improved.
Description
Technical field
The present invention relates to a kind of phone lead-in, more particularly, to a kind of resist bending four core phone lead-in.
Background technology
Traditional telephone wire has two cores and four cores, and core line diameter has 0.4 ~ 1.0mm respectively, its structure be usually two or
Four heart yearn outer wrapping polyethylene, common heart yearn material is copper etc..Existing its tensile strength of telephone wire structures shape is limited,
When needing distance to install, need the special wirerope that arranges to be strengthened, otherwise easily break, particularly have inconvenient traffic at some
Area such as mountain area when installing, special setting wirerope significantly increases the difficulty of construction, and is easily damaged, and electric property
Improve limited.
Content of the invention
The present invention provides a kind of resist bending four core phone lead-in, and this resist bending four core phone lead-in makes telephone communication
The total dielectric constant of the total jacket insulation of cable falls below 1.6 about by 2.3, and decay under identical traffic frequency can reduce by more than 12%, with
When decrease the interference to signal transmission so that tensile strength significantly improves.
For reaching above-mentioned purpose, the technical solution used in the present invention is：A kind of resist bending four core phone lead-in, including four
Root circular copper conductors, this four circular copper conductors outer surfaces are coated with polyethylene layer and form four wires, described four wires two
To, the second twisted wire pair, the twisting pitch of stranded conductor is 3 ~ 5cm to two stranded first twisted wires that formed respectively two-by-two；Described first strand
Line forms heart yearn to, the second twisted wire strand, and described first twisted wire is 8 ~ 10cm to, the second twisted wire strand pitch；One polyester
Around being wrapped in described heart yearn outer surface, a polyvinyl chloride layer is coated on described polyester belt outer surface, a pe sheath layer cladding to band
In described polyvinyl chloride layer outer surface, between described polyvinyl chloride layer, pe sheath layer, it is provided with middle tensile layer；
Described middle tensile layer is composed of the following components：100 parts of polyamide 6,32 parts of polyhexamethylene sebacamide, ethene and fall
1 part of bornylene copolymer 1, maleic anhydride 2.8 parts of amorphous polyolefin of grafting, N, 1.2 parts of N'- bis- (betanaphthyl) p-phenylenediamine,
0.5 part of Tissuemat E, 0.8 part of polyethylene glycol, 0.5 part of acetin；
Described polyamide 6 relative viscosity is below 2.5；
Described ethene and norbornene copolymer density are 1.01 ± 0.01g/cm3；
Described maleic anhydride grafting amorphous polyolefin is by unformed polyolefin, maleic anhydride, di-cyclohexylperoxy di-carbonate
And lubricant in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization be obtained, it connects
Branch rate is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
In technique scheme, further improved technology scheme is as follows：
1., in such scheme, the thickness of described polyvinyl chloride layer and middle tensile layer is than for 10：4~6.
2., in such scheme, the thickness of described pe sheath layer and middle tensile layer is than for 10：4~6.
3. in such scheme, a diameter of 0.4 ~ 1mm of described circular copper conductors.
Because technique scheme is used, the present invention compared with prior art has following advantages：
Resist bending four core phone lead-in of the present invention, it is located at and is provided with middle resisting between polyvinyl chloride layer, pe sheath layer
Draw layer, this middle tensile layer adopts polyamide 6, polyhexamethylene sebacamide, ethene and norbornene copolymer, maleic anhydride
Grafting amorphous polyolefin, N, N'- bis- (betanaphthyl) p-phenylenediamine, decrease the interference to signal transmission so that tensile strength
Significantly improve；Secondly, its middle tensile layer adds Tissuemat E, polyethylene glycol, acetin further, has both improve anti-dry
Disturb tensile type phone lead-in mechanical strength, bending property, improve polyvinyl chloride layer, pe sheath layer, middle tension again
Bonding force between layer, it is to avoid in construction lamination occurs；Again, its first twisted wire is to, the second twisted wire pair, stranded two-by-two
The twisting pitch of wire is 3 ~ 5cm；Described first twisted wire to, second twisted wire strand formed heart yearn, described first twisted wire to,
Second twisted wire strand pitch is 8 ~ 10cm, optimizes the electricity function indexs such as the cross-talk of cable.
Brief description
Accompanying drawing 1 is resist bending four core phone lead-in structural representation of the present invention；
Accompanying drawing 2 is the partial structural diagram of accompanying drawing 1.
In the figures above：1st, circular copper conductors；2nd, polyethylene layer；3rd, wire；41st, the first twisted wire pair；42nd, the second twisted wire
Right；5th, heart yearn；6th, polyester belt；7th, polyvinyl chloride layer；8th, pe sheath layer；9th, middle tensile layer.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment：A kind of resist bending four core phone lead-in, including four circular copper conductors 1, this four circular copper conductors 1 appearances
Bread is covered with polyethylene layer 2 and forms four wires 3, and described four wires 3 are stranded two-by-two to form the first twisted wire respectively to 41, second
Twisted wire is to 42；
The twisting pitch of stranded conductor 3 is 3 ~ 5cm two-by-two；Described first twisted wire is to the 41, second twisted wire to 42 stranded formation heart yearns
5, described first twisted wire to the 41, second twisted wire to 42 twisting pitch be 8 ~ 10cm；One polyester belt 6 is around being wrapped in described heart yearn 5 appearance
Face, a polyvinyl chloride layer 7 is coated on described polyester belt 6 outer surface, and a pe sheath layer 7 is coated on described polyvinyl chloride layer 6
Outer surface, is provided with middle tensile layer 9 between described polyvinyl chloride layer 7, pe sheath layer 8；
The thickness of above-mentioned polyvinyl chloride layer 7 and middle tensile layer 9 is than for 10：5 or 10：5.5, above-mentioned pe sheath layer 8 with
The thickness of middle tensile layer 9 is than for 10：4.5 or 6.
Described circular copper conductors 1 a diameter of 0.65 or 0.8mm.
In the middle of above-described embodiment, tensile layer 9 is composed of the following components：100 parts of polyamide 6, polyhexamethylene sebacamide 32
Part, ethene and 11 parts of norbornene copolymer, maleic anhydride 2.8 parts of amorphous polyolefin of grafting, N, N'- bis- (betanaphthyl) is to benzene
1.2 parts of diamines, 0.5 part of Tissuemat E, 0.8 part of polyethylene glycol, 0.5 part of acetin.
Above-mentioned polyamide 6 relative viscosity is below 2.5；
Above-mentioned ethene and norbornene copolymer density are 1.01 ± 0.01g/cm3；
Above-mentioned maleic anhydride grafting amorphous polyolefin is by unformed polyolefin, maleic anhydride, di-cyclohexylperoxy di-carbonate
And lubricant in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization be obtained, it connects
Branch rate is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
In embodiment resist bending four core phone lead-in, the first restrictive coating performance is shown in Table 2：
Table 2
The actual screening factor of this enforcement cable is less than 0.72, can shield the interference in the external world in transmission signal process well,
Improve call and signal quality.
The contrast of embodiment of the present invention electric property is as shown in table 3 below（Taking 0.5mm conductor as a example）：
Table 3
During using above-mentioned resist bending four core phone lead-in, which reduce the interference to signal transmission so that tensile strength is notable
Improve；Secondly, its middle tensile layer adds 0.5 ~ 0.8 part of Tissuemat E, 1.8 ~ 2.2 parts of polyethylene glycol, triacetin further
0.5～0.8 part of ester, had both improve resist bending four core phone lead-in mechanical strength, bending property, had improve polyvinyl chloride again
Bonding force between layer, pe sheath layer, middle tensile layer, it is to avoid in construction, lamination occurs；Again, its first strand
Line is 3 ~ 5cm to, the second twisted wire pair, the two-by-two twisting pitch of stranded conductor；Described first twisted wire is to, the second twisted wire strand
Form heart yearn, described first twisted wire is 8 ~ 10cm to, the second twisted wire strand pitch, optimizes the electric properties such as the cross-talk of cable
Index.
Above-described embodiment only technology design to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not be limited the scope of the invention with this.All according to the present invention
Equivalence changes or modification that Spirit Essence is made, all should be included within the scope of the present invention.
Claims (3)
1. a kind of resist bending four core phone lead-in it is characterised in that：Including four circular copper conductors（1）, this four circular copper
Conductor（1）Outer surface is coated with polyethylene layer（2）Form four wires（3）, described four wires（3）Stranded two-by-two formed respectively
First twisted wire pair（41）, the second twisted wire pair（42）, stranded conductor two-by-two（3）Twisting pitch be 3 ~ 5cm；Described first twisted wire pair
（41）, the second twisted wire pair（42）Stranded formation heart yearn（5）, described first twisted wire pair（41）, the second twisted wire pair（42）Twisting pitch
For 8 ~ 10cm；One polyester belt（6）Around being wrapped in described heart yearn（5）Outer surface, a polyvinyl chloride layer（7）It is coated on described polyester belt
（6）Outer surface, a pe sheath layer（7）It is coated on described polyvinyl chloride layer（6）Outer surface, described polyvinyl chloride layer（7）, poly-
Ethene restrictive coating（8）Between be provided with middle tensile layer（9）；
Described middle tensile layer（9）Composed of the following components：100 parts of polyamide 6,32 parts of polyhexamethylene sebacamide, ethene
It is grafted 2.8 parts of amorphous polyolefin, N, N'- bis- (betanaphthyl) p-phenylenediamine 1.2 with 11 parts of norbornene copolymer, maleic anhydride
Part, 0.5 part of Tissuemat E, 0.8 part of polyethylene glycol, 0.5 part of acetin；
Described polyamide 6 relative viscosity is below 2.5；
Described maleic anhydride grafting amorphous polyolefin is by unformed polyolefin, maleic anhydride, di-cyclohexylperoxy di-carbonate
And lubricant in proportion 100：0.4~3：0.03~1：0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization be obtained, it connects
Branch rate is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
2. resist bending four core phone lead-in according to claim 1 it is characterised in that：Described polyvinyl chloride layer（7）With
Middle tensile layer（9）Thickness than for 10：4~6.
3. resist bending four core phone lead-in according to claim 1 it is characterised in that：Described ethene and ENB are altogether
Polymers density is 1.01 ± 0.01g/cm3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542406.1A CN106409406A (en) | 2015-03-18 | 2015-03-18 | Bending-resistant four-core telephone lead-in wire |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542406.1A CN106409406A (en) | 2015-03-18 | 2015-03-18 | Bending-resistant four-core telephone lead-in wire |
| CN201510119595.7A CN104821198A (en) | 2015-03-18 | 2015-03-18 | High-tensile-strength telephone lead-in wire |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510119595.7A Division CN104821198A (en) | 2015-03-18 | 2015-03-18 | High-tensile-strength telephone lead-in wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106409406A true CN106409406A (en) | 2017-02-15 |
Family
ID=53731465
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542597.1A Pending CN106448872A (en) | 2015-03-18 | 2015-03-18 | Anti-interference tensile telephone lead-in wire |
| CN201610542406.1A Pending CN106409406A (en) | 2015-03-18 | 2015-03-18 | Bending-resistant four-core telephone lead-in wire |
| CN201510119595.7A Pending CN104821198A (en) | 2015-03-18 | 2015-03-18 | High-tensile-strength telephone lead-in wire |
| CN201610542410.8A Pending CN106409407A (en) | 2015-03-18 | 2015-03-18 | Low-attenuation multi-core telephone line |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542597.1A Pending CN106448872A (en) | 2015-03-18 | 2015-03-18 | Anti-interference tensile telephone lead-in wire |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510119595.7A Pending CN104821198A (en) | 2015-03-18 | 2015-03-18 | High-tensile-strength telephone lead-in wire |
| CN201610542410.8A Pending CN106409407A (en) | 2015-03-18 | 2015-03-18 | Low-attenuation multi-core telephone line |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN106448872A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7124723B2 (en) * | 2019-01-16 | 2022-08-24 | 株式会社オートネットワーク技術研究所 | Insulated wire with adhesive layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299511A (en) * | 1998-04-17 | 2001-06-13 | 普雷斯托利特电缆公司 | High performance data cable |
| CN201204095Y (en) * | 2008-10-09 | 2009-03-04 | 北京亨通斯博通讯科技有限公司 | Novel metal-shielding wideband digital cable |
| TW201101339A (en) * | 2009-06-30 | 2011-01-01 | Askey Computer Corp | Transmission wire |
| CN202771815U (en) * | 2012-08-15 | 2013-03-06 | 安徽神州缆业集团有限公司 | Fluorubber and insulating chloroprene rubber double-sheath cable |
| CN204045272U (en) * | 2014-03-24 | 2014-12-24 | 江苏亨通线缆科技有限公司 | For the data-signal transmission cable of detection system |
| CN104318987A (en) * | 2014-10-28 | 2015-01-28 | 江苏亨通线缆科技有限公司 | Weather-resistant flexible data cable for communication |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002367446A (en) * | 2001-06-07 | 2002-12-20 | Yazaki Corp | Utp cable |
| CN201607996U (en) * | 2010-01-25 | 2010-10-13 | 扬州市金阳光电缆有限公司 | Moisture-proof railway signal cable |
| US20120267144A1 (en) * | 2011-04-21 | 2012-10-25 | Bernhart Allen Gebs | Plenum Data Cable |
| CN204045273U (en) * | 2014-03-24 | 2014-12-24 | 江苏亨通线缆科技有限公司 | Distributing system data transfer cable |
-
2015
- 2015-03-18 CN CN201610542597.1A patent/CN106448872A/en active Pending
- 2015-03-18 CN CN201610542406.1A patent/CN106409406A/en active Pending
- 2015-03-18 CN CN201510119595.7A patent/CN104821198A/en active Pending
- 2015-03-18 CN CN201610542410.8A patent/CN106409407A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299511A (en) * | 1998-04-17 | 2001-06-13 | 普雷斯托利特电缆公司 | High performance data cable |
| CN201204095Y (en) * | 2008-10-09 | 2009-03-04 | 北京亨通斯博通讯科技有限公司 | Novel metal-shielding wideband digital cable |
| TW201101339A (en) * | 2009-06-30 | 2011-01-01 | Askey Computer Corp | Transmission wire |
| CN202771815U (en) * | 2012-08-15 | 2013-03-06 | 安徽神州缆业集团有限公司 | Fluorubber and insulating chloroprene rubber double-sheath cable |
| CN204045272U (en) * | 2014-03-24 | 2014-12-24 | 江苏亨通线缆科技有限公司 | For the data-signal transmission cable of detection system |
| CN104318987A (en) * | 2014-10-28 | 2015-01-28 | 江苏亨通线缆科技有限公司 | Weather-resistant flexible data cable for communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104821198A (en) | 2015-08-05 |
| CN106448872A (en) | 2017-02-22 |
| CN106409407A (en) | 2017-02-15 |
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Application publication date: 20170215 |