CN104821198A - High-tensile-strength telephone lead-in wire - Google Patents
High-tensile-strength telephone lead-in wire Download PDFInfo
- Publication number
- CN104821198A CN104821198A CN201510119595.7A CN201510119595A CN104821198A CN 104821198 A CN104821198 A CN 104821198A CN 201510119595 A CN201510119595 A CN 201510119595A CN 104821198 A CN104821198 A CN 104821198A
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- layer
- tensile
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- twisted wire
- polyvinyl chloride
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Classifications
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- 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 high-tensile-strength telephone lead-in wire. The high-tensile-strength telephone lead-in wire comprises four circular copper conductors, and four lead wires are twisted in pairs to respectively form a first twisted wire pair and a second twisted wire pair; the first twisted wire pair and the second twisted wire pair are twisted to form a core wire, a polyvinyl chloride layer wraps the outer surface of a polyester belt, a polyethylene sheath layer wraps the outer surface of the polyvinyl chloride layer, and an intermediate tensile layer is arranged between the polyvinyl chloride layer and the polyethylene sheath layer; and the intermediate tensile layer is composed of the following components: 100 parts of polyamide 6 resin, 28 to 32 parts of polyhexamethylene sebacamide, 10 to 15 parts of an ethylene-norbornene copolymer, 2.8 to 3.5 parts of maleic anhydride grafted amorphous polyolefin, 1 to 1.2 parts of N, N'-bis (beta-naphthyl)-p-phenylenediamine, 0.5 to 0.8 parts of a polyethylene wax, 0.8 to1.2 parts of polyethylene glycol and 0.5 to 0.8 parts of acetate glyceride. According to the invention, the interference on signal transmission is reduced, and the tensile strength is substantially improved.
Description
Technical field
The present invention relates to a kind of phone lead-in, particularly relate to a kind of phone lead-in of high-tensile.
Background technology
Traditional telephone wire has two cores and four-core, and core line diameter has 0.4 ~ 1.0mm respectively, and its structure is generally two or four heart yearn outer wrapping polyethylene, and common heart yearn material is copper etc.Existing its hot strength of telephone wire structures shape is limited, when the long distance of needs is installed, need to arrange wirerope specially to strengthen, otherwise easily break, particularly when some ungetable areas are installed as mountain area, the difficulty that wirerope significantly increases construction is set specially, and easily damages, and electric property improves limited.
Summary of the invention
The invention provides a kind of phone lead-in of high-tensile, the phone lead-in of this high-tensile makes the total dielectric constant of the total jacket insulation of telephone communication cable drop to about 1.6 by 2.3, under identical traffic frequency, decay can reduce by more than 12%, decrease the interference to Signal transmissions simultaneously, tensile strength is significantly improved.
For achieving the above object, the technical solution used in the present invention is: a kind of phone lead-in of high-tensile, comprise four circular copper conductors, these four circular copper conductors outer surfaces are coated with polyethylene layer and form four wires, stranded first twisted wire that formed respectively is to, the second twisted wire pair between two for described four wires, and the twisting pitch of stranded conductor is 3 ~ 5cm between two; Described first twisted wire 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 belt is wrapped in described heart yearn outer surface, and a polyvinyl chloride layer is coated on described polyester belt outer surface, and a pe sheath layer is coated on described polyvinyl chloride layer outer surface, is provided with middle tensile layer between described polyvinyl chloride layer, pe sheath layer;
Described middle tensile layer is composed of the following components:
Polyamide 6 100 parts,
Polyhexamethylene sebacamide 28 ~ 32 parts,
Ethene and norbornene copolymer 10 ~ 15 parts,
Maleic anhydride graft amorphous polyolefin 2.8 ~ 3.5 parts,
N, N'-bis-(betanaphthyl) p-phenylenediamine (PPD) 1 ~ 1.2 part,
Tissuemat E 0.5 ~ 0.8 part,
Polyethylene glycol 0.8 ~ 1.2 part,
Acetin 0.5 ~ 0.8 part;
Described polyamide 6 relative viscosity is below 2.5;
Described ethene and norbornene copolymer density are 1.01 ± 0.01g/cm
3;
Described maleic anhydride graft amorphous polyolefin by unformed polyolefin, maleic anhydride, di-cyclohexylperoxy di-carbonate and lubricant 100:0.4 ~ 3:0.03 in proportion ~ 1:0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization obtain, its percent grafting is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
In technique scheme, further improvement opportunity scheme is as follows:
1., in such scheme, the Thickness Ratio of described polyvinyl chloride layer and middle tensile layer is 10:4 ~ 6.
2., in such scheme, the Thickness Ratio of described pe sheath layer and middle tensile layer is 10:4 ~ 6.
3., in such scheme, described circular copper conductors diameter is 0.4 ~ 1mm.
Because technique scheme is used, the present invention compared with prior art has following advantages:
The phone lead-in of high-tensile of the present invention, it is provided with middle tensile layer between polyvinyl chloride layer, pe sheath layer, this middle tensile layer adopts polyamide 6 100 parts, polyhexamethylene sebacamide 28 ~ 32 parts, ethene and norbornene copolymer 10 ~ 15 parts, maleic anhydride graft amorphous polyolefin 2.8 ~ 3.5 parts, N, N'-bis-(betanaphthyl) p-phenylenediamine (PPD) 1 ~ 1.2 part, decrease the interference to Signal transmissions, tensile strength is significantly improved; Secondly, its middle tensile layer adds Tissuemat E 0.5 ~ 0.8 part, polyethylene glycol 1.8 ~ 2.2 parts, acetin 0.5 ~ 0.8 part further, both phone lead-in mechanical strength, the bending property of high-tensile had been improve, turn improve the bonding force between polyvinyl chloride layer, pe sheath layer, middle tensile layer, avoid in construction and occur lamination; Again, its first twisted wire is to, the second twisted wire pair, and the twisting pitch of stranded conductor is 3 ~ 5cm between two; Described first twisted wire forms heart yearn to, the second twisted wire strand, and described first twisted wire is 8 ~ 10cm to, the second twisted wire strand pitch, optimizes the electricity function indexs such as the cross-talk of cable.
Accompanying drawing explanation
Accompanying drawing 1 is the phone lead-in structural representation of high-tensile of the present invention.
In above accompanying drawing: 1, circular copper conductors; 2, polyethylene layer; 3, wire; 41, the first twisted wire pair; 42, the second twisted wire pair; 5, heart yearn; 6, polyester belt; 7, polyvinyl chloride layer; 8, pe sheath layer; 9, middle tensile layer.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment 1 ~ 5: a kind of phone lead-in of high-tensile, comprise four circular copper conductors 1, these four circular copper conductors 1 outer surfaces are coated with polyethylene layer 2 and form four wires 3, and described four wires 3 are stranded between two forms the first twisted wire to the 41, second twisted wire respectively to 42;
The twisting pitch of stranded conductor 3 is 3 ~ 5cm between two; Described first twisted wire is to the 41, second twisted wire to 42 stranded formation heart yearns 5, and described first twisted wire is 8 ~ 10cm to the 41, second twisted wire to 42 twisting pitch; One polyester belt 6 is wrapped in described heart yearn 5 outer surface, one polyvinyl chloride layer 7 is coated on described polyester belt 6 outer surface, one 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;
Above-mentioned polyvinyl chloride layer 7 is 10:5 or 10:5.5 with the Thickness Ratio of middle tensile layer 9, and above-mentioned pe sheath layer 8 is 10:4.5 or 6 with the Thickness Ratio of middle tensile layer 9.
Described circular copper conductors 1 diameter is 0.65 or 0.8mm.
Above-described embodiment 1 ~ 5 middle tensile layer 9 is composed of the following components, as shown in table 1:
Table 1
Above-mentioned polyamide 6 relative viscosity is below 2.5;
Above-mentioned ethene and norbornene copolymer density are 1.01 ± 0.01g/cm
3;
Above-mentioned maleic anhydride graft amorphous polyolefin by unformed polyolefin, maleic anhydride, di-cyclohexylperoxy di-carbonate and lubricant 100:0.4 ~ 3:0.03 in proportion ~ 1:0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization obtain, its percent grafting is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
In the phone lead-in of embodiment 1 ~ 5 high-tensile, the first restrictive coating performance is in table 2:
Table 2
The actual shielding factor of this enforcement cable is no more than 0.72, well can shield extraneous interference in transmission signal process, improves call and signal quality.
Embodiment of the present invention electric property contrast (for 0.5mm conductor) as shown in table 3 below:
Table 3
When adopting the phone lead-in of above-mentioned high-tensile, which reduce the interference to Signal transmissions, tensile strength is significantly improved; Secondly, its middle tensile layer adds Tissuemat E 0.5 ~ 0.8 part, polyethylene glycol 1.8 ~ 2.2 parts, acetin 0.5 ~ 0.8 part further, both phone lead-in mechanical strength, the bending property of high-tensile had been improve, turn improve the bonding force between polyvinyl chloride layer, pe sheath layer, middle tensile layer, avoid in construction and occur lamination; Again, its first twisted wire is to, the second twisted wire pair, and the twisting pitch of stranded conductor is 3 ~ 5cm between two; Described first twisted wire forms heart yearn to, the second twisted wire strand, and described first twisted wire is 8 ~ 10cm to, the second twisted wire strand pitch, optimizes the electricity function indexs such as the cross-talk of cable.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (4)
1. the phone lead-in of a high-tensile, it is characterized in that: comprise four circular copper conductors (1), these four circular copper conductors (1) outer surfaces are coated with polyethylene layer (2) and form four wires (3), described four wires (3) are stranded between two forms the first twisted wire respectively to (41), the second twisted wire to (42), and the twisting pitch of stranded conductor (3) is 3 ~ 5cm between two; Described first twisted wire is to (41), the second twisted wire to (42) stranded formation heart yearn (5), and described first twisted wire is 8 ~ 10cm to (41), the second twisted wire to (42) twisting pitch; One polyester belt (6) is wrapped in described heart yearn (5) outer surface, one polyvinyl chloride layer (7) is coated on described polyester belt (6) outer surface, one 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);
Described middle tensile layer (9) is composed of the following components:
Polyamide 6 100 parts,
Polyhexamethylene sebacamide 28 ~ 32 parts,
Ethene and norbornene copolymer 10 ~ 15 parts,
Maleic anhydride graft amorphous polyolefin 2.8 ~ 3.5 parts,
N, N'-bis-(betanaphthyl) p-phenylenediamine (PPD) 1 ~ 1.2 part,
Tissuemat E 0.5 ~ 0.8 part,
Polyethylene glycol 0.8 ~ 1.2 part,
Acetin 0.5 ~ 0.8 part;
Described polyamide 6 relative viscosity is below 2.5;
Described ethene and norbornene copolymer density are 1.01 ± 0.01g/cm
3;
Described maleic anhydride graft amorphous polyolefin by unformed polyolefin, maleic anhydride, di-cyclohexylperoxy di-carbonate and lubricant 100:0.4 ~ 3:0.03 in proportion ~ 1:0.1 ~ 0.3 render to double screw extruder carry out glycerol polymerization obtain, its percent grafting is 0.8% ~ 1.5%, and its melt index is 1 ~ 10g/10min.
2. the phone lead-in of high-tensile according to claim 1, is characterized in that: described polyvinyl chloride layer (7) is 10:4 ~ 6 with the Thickness Ratio of middle tensile layer (9).
3. the phone lead-in of high-tensile according to claim 1, is characterized in that: described pe sheath layer (8) is 10:4 ~ 6 with the Thickness Ratio of middle tensile layer (9).
4. the phone lead-in of high-tensile according to claim 1, is characterized in that: described circular copper conductors (1) diameter is 0.4 ~ 1mm.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542597.1A CN106448872A (en) | 2015-03-18 | 2015-03-18 | Anti-interference tensile telephone lead-in wire |
| CN201610542410.8A CN106409407A (en) | 2015-03-18 | 2015-03-18 | Low-attenuation multi-core telephone line |
| CN201510119595.7A CN104821198A (en) | 2015-03-18 | 2015-03-18 | High-tensile-strength telephone lead-in wire |
| CN201610542406.1A CN106409406A (en) | 2015-03-18 | 2015-03-18 | Bending-resistant four-core telephone lead-in wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510119595.7A CN104821198A (en) | 2015-03-18 | 2015-03-18 | High-tensile-strength telephone lead-in wire |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542406.1A Division CN106409406A (en) | 2015-03-18 | 2015-03-18 | Bending-resistant four-core telephone lead-in wire |
| CN201610542410.8A Division CN106409407A (en) | 2015-03-18 | 2015-03-18 | Low-attenuation multi-core telephone line |
| CN201610542597.1A Division CN106448872A (en) | 2015-03-18 | 2015-03-18 | Anti-interference tensile telephone lead-in wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104821198A true CN104821198A (en) | 2015-08-05 |
Family
ID=53731465
Family Applications (4)
| 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 |
| CN201610542406.1A Pending CN106409406A (en) | 2015-03-18 | 2015-03-18 | Bending-resistant four-core telephone lead-in wire |
| CN201610542410.8A Pending CN106409407A (en) | 2015-03-18 | 2015-03-18 | Low-attenuation multi-core telephone line |
| CN201610542597.1A Pending CN106448872A (en) | 2015-03-18 | 2015-03-18 | Anti-interference tensile telephone lead-in wire |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542406.1A Pending CN106409406A (en) | 2015-03-18 | 2015-03-18 | Bending-resistant four-core telephone lead-in wire |
| CN201610542410.8A Pending CN106409407A (en) | 2015-03-18 | 2015-03-18 | Low-attenuation multi-core telephone line |
| CN201610542597.1A Pending CN106448872A (en) | 2015-03-18 | 2015-03-18 | Anti-interference tensile telephone lead-in wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN104821198A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220084721A1 (en) * | 2019-01-16 | 2022-03-17 | Autonetworks Technologies, Ltd. | Insulated wire with bonding layer |
Citations (5)
| 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 |
| 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 |
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002367446A (en) * | 2001-06-07 | 2002-12-20 | Yazaki Corp | Utp 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 |
| 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 |
| CN106448837A (en) * | 2014-10-28 | 2017-02-22 | 江苏亨通线缆科技有限公司 | Flame retardant and wear resistant communication cable |
-
2015
- 2015-03-18 CN CN201510119595.7A patent/CN104821198A/en active Pending
- 2015-03-18 CN CN201610542406.1A patent/CN106409406A/en active Pending
- 2015-03-18 CN CN201610542410.8A patent/CN106409407A/en active Pending
- 2015-03-18 CN CN201610542597.1A patent/CN106448872A/en active Pending
Patent Citations (5)
| 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 |
| 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 |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220084721A1 (en) * | 2019-01-16 | 2022-03-17 | Autonetworks Technologies, Ltd. | Insulated wire with bonding layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106409406A (en) | 2017-02-15 |
| CN106448872A (en) | 2017-02-22 |
| CN106409407A (en) | 2017-02-15 |
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Application publication date: 20150805 |
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