CN106298086A - A kind of preparation technology of cable sheath - Google Patents
A kind of preparation technology of cable sheath Download PDFInfo
- Publication number
- CN106298086A CN106298086A CN201610687064.2A CN201610687064A CN106298086A CN 106298086 A CN106298086 A CN 106298086A CN 201610687064 A CN201610687064 A CN 201610687064A CN 106298086 A CN106298086 A CN 106298086A
- Authority
- CN
- China
- Prior art keywords
- preparation technology
- silver
- copper powder
- plated copper
- cable sheath
- 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
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/016—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables
- H01B13/0165—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing co-axial cables of the layers outside the outer conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/225—Screening coaxial cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Manufacturing Of Electric Cables (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses the preparation technology of a kind of cable sheath, comprise the steps: a) pretreatment silver-plated copper powder, b) batch mixing, c) extrusion cladding, d) be wound around rolling.Present invention is disclosed the preparation technology of a kind of coaxial cable crust, this technique process arranges rationally, preparation technology is easy, science, moderate cost, the crust prepared has prominent comprehensive mechanics and chemical property, the fillers such as the silver-plated copper powder of outer Intradermal can form continuous, stable, an efficient stereoscopic electric magnetic shield net, it is ensured that the radio frequency coaxial-cable high-quality when signal transmits, and improves the serviceability of radio frequency coaxial-cable.
Description
Technical field
The present invention relates to field of cable technology, be specifically related to the preparation technology of a kind of cable sheath.
Background technology
Coaxial cable is one of modal transmission medium in LAN, and its inner wire is metal solid wire, and nexine insulate
Material can be selected for the material such as polyethylene, polypropylene, is another layer of ring shaped conductor i.e. outer conductor in the outside of nexine insulant, outward
Conductor uses metal copper wire, aluminium wire or B alloy wire mostly, is wrapped on nexine insulant by braiding or non-woven form,
The outside of outer conductor generally uses pvc material to be coated with, and forms crust.Why use said structure to design, be for
Prevent the transmission of external electromagnetic wave interference normal signal, improve the transmission quality of signal.
The crust of coaxial cable is the protective layer that the cable opposing external world corrodes, and in use, crust is often subject to heat
The effect of load, mechanical load or chemical attack.In practice process, the most only combined type or by multiple skin material
Combination can meet above-mentioned performance requirement.Silicone rubber as elastomeric material, have good pliability, corrosion resistance and height,
Low temperature intensity, can use as coaxial cable skin material.But, silicone rubber does not has electromagnetic shielding capability, to a certain degree
On limit signal transmission quality.In current art, people improve by filling electromagnetic shielding material in silicone rubber
The performance of silicone rubber, but current technology flow process is complicated, relatively costly, it is not the preferred plan improving crust performance.
Summary of the invention
The technical problem to be solved in the present invention is to provide the preparation technology of a kind of cable sheath, and procedure arrangement is reasonable, implements
Simplicity, moderate cost, prepared crust serviceability is excellent, in it silver-plated copper powder of mixing can outside endo-endothelial layer to form one efficient
Stereoscopic electric magnetic shield net, to guarantee the coaxial cable high-quality when signal transmits.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
The preparation technology of a kind of cable sheath, comprises the following steps:
A) pretreatment silver-plated copper powder；
B) batch mixing；
C) extrusion molding unit extrusion is used；
D) it is wound around rolling.
Further, in described step a), processing procedure is as follows: first, and compound concentration is the silane of 0.8%-1.2%
Coupling agent solution, silane coupler selection vinyl three t-butylperoxy silane, solvent is selected 95% ethanol, is added in process for preparation
Add 36% appropriate acetic acid；Then, silver-plated copper powder is put into solid blender, add the silane coupler solution of preparation and stir
Mixing, blender rotating speed controls at 450-550r/mi n, and mixing time is 20-25 minute；Finally, silver-plated copper powder is removed go forward side by side
Row drying and processing, temperature controls at 110 DEG C-120 DEG C, and the time is about 2 hours.
Further, in described step b), batch mixing process is as follows: first, by quantitative liquid silastic, graphite powder with
And the silver-plated copper powder that obtains of step a) adds to agitator, uniform stirring 20-30 minute, agitator temperature control 120 DEG C-
130℃；Then, maintain agitator temperature-resistant, add quantitative crosslinking reinforcing agent and heat-resisting stabilizing agent, continue stirring 40-50
Minute；Finally, agitator temperature is down to 80 DEG C-90 DEG C, adds quantitative vulcanizing agent, be warming up to 95 DEG C-100 DEG C, continue to stir
Mix 15-20 minute, be then cooled to 60 DEG C-70 DEG C.
Preferably, during heat-resisting stabilizing agent is organic tin stabilizer, tribasic lead sulfate, zinc stearate, epoxidised soybean oil
One.
Further, in described step c), compound is imported extruder, cross-head after uniformly extruding directly
It is coated on conductor；Cross-head temperature controls at 90 DEG C-95 DEG C, and the extrusion capacity of compound controls at 4-6g/s, conductor institute
The pull strength being subject to is about 10-12N, and translational speed is about 0.6-0.7m/mi n.
Beneficial effects of the present invention:
Procedure arrangement of the present invention is reasonable, and preparation technology is easy, science, moderate cost, and heat stabilizer makes raw material stable, prepares
Crust there is prominent comprehensive mechanics and chemical property, it is continuous, stable, high that the filler such as silver-plated copper powder of outer Intradermal can form one
The stereoscopic electric magnetic shield net of effect, it is ensured that the coaxial cable high-quality when signal transmits, improves making of radio frequency coaxial-cable
Use performance.
Detailed description of the invention
Describe the present invention below by way of specific embodiment.
The present invention comprises the following steps:
A) pretreatment silver-plated copper powder；
B) batch mixing；
C) extrusion molding unit extrusion is used；
D) it is wound around rolling.
Embodiment 1
The preparation technology of the cable sheath that the present invention proposes, process is as follows:
A) pretreatment silver-plated copper powder, processing procedure is as follows: first, and compound concentration is the silane coupler solution of 0.8%, silicon
Vinyl three t-butylperoxy silane selected by alkane coupling agent, and solvent is selected 95% ethanol, added appropriate 36% in process for preparation
Acetic acid；Then, silver-plated copper powder is put into solid blender, add the silane coupler solution of preparation and stir, blender rotating speed
Controlling at 450r/mi n, mixing time is 20 minutes；Finally, being removed by silver-plated copper powder and carry out drying and processing, temperature controls
110 DEG C, the time is about 2 hours；
B) batch mixing, batch mixing process is as follows: first, the plating quantitative liquid silastic, graphite powder and step a) obtained
Silver-bearing copper powder adds to agitator, uniform stirring 20 minutes, and agitator temperature controls at 120 DEG C；Then, agitator temperature is maintained not
Become, add quantitative crosslinking reinforcing agent and tribasic lead sulfate, continue stirring 40 minutes；Finally, agitator temperature is down to 80
DEG C, add quantitative vulcanizing agent, be warming up to 95 DEG C, continue stirring 15 minutes, be then cooled to 60 DEG C；
C) using extrusion molding unit extrusion, extrusion is as follows: compound is imported extruder, cross-head uniformly squeeze
Directly it is coated on conductor after going out；Cross-head temperature controls at 90 DEG C, and the extrusion capacity of compound controls at 4g/s, conductor institute
The pull strength being subject to is about 10N, and translational speed is about 0.6m/mi n；
D) it is wound around rolling.
Embodiment 2
The preparation technology of the cable sheath that the present invention proposes, process is as follows:
A) pretreatment silver-plated copper powder, processing procedure is as follows: first, and compound concentration is the silane coupler solution of 0.9%, silicon
Vinyl three t-butylperoxy silane selected by alkane coupling agent, and solvent is selected 95% ethanol, added appropriate 36% in process for preparation
Acetic acid；Then, silver-plated copper powder is put into solid blender, add the silane coupler solution of preparation and stir, blender rotating speed
Controlling at 500r/mi n, mixing time is 22 minutes；Finally, being removed by silver-plated copper powder and carry out drying and processing, temperature controls
112 DEG C, the time is 2 hours；
B) batch mixing, batch mixing process is as follows: first, the plating quantitative liquid silastic, graphite powder and step a) obtained
Silver-bearing copper powder adds to agitator, uniform stirring 25 minutes, and agitator temperature controls at 122 DEG C；Then, agitator temperature is maintained not
Become, add quantitative crosslinking reinforcing agent and zinc stearate, continue stirring 44 minutes；Finally, agitator temperature is down to 84 DEG C, adds
Add quantitative vulcanizing agent, be warming up to 96 DEG C, continue stirring 17 minutes, be then cooled to 66 DEG C；
C) using extrusion molding unit extrusion, extrusion is as follows: compound is imported extruder, cross-head uniformly squeeze
Directly it is coated on conductor after going out；Cross-head temperature controls at 92 DEG C, and the extrusion capacity of compound controls at 5g/s, conductor institute
The pull strength being subject to is about 11N, and translational speed is about 0.6m/mi n；
D) it is wound around rolling.
Embodiment 3
The preparation technology of the cable sheath that the present invention proposes, process is as follows:
A) pretreatment silver-plated copper powder, processing procedure is as follows: first, and compound concentration is the silane coupler solution of 1%, silane
Vinyl three t-butylperoxy silane selected by coupling agent, and solvent is selected 95% ethanol, added 36% appropriate vinegar in process for preparation
Acid；Then, silver-plated copper powder is put into solid blender, add the silane coupler solution of preparation and stir, blender rotating speed control
System is at 550r/mi n, and mixing time is 25 minutes；Finally, being removed by silver-plated copper powder and carry out drying and processing, temperature controls
115 DEG C, the time is 2 hours；
B) batch mixing, batch mixing process is as follows: first, the plating quantitative liquid silastic, graphite powder and step a) obtained
Silver-bearing copper powder adds to agitator, uniform stirring 28 minutes, and agitator temperature controls at 125 DEG C；Then, agitator temperature is maintained not
Become, add quantitative crosslinking reinforcing agent and zinc stearate, continue stirring 46 minutes；Finally, agitator temperature is down to 85 DEG C, adds
Add quantitative vulcanizing agent, be warming up to 98 DEG C, continue stirring 20 minutes, be then cooled to 68 DEG C；
C) using extrusion molding unit extrusion, extrusion is as follows: compound is imported extruder, cross-head uniformly squeeze
Directly it is coated on conductor after going out；Cross-head temperature controls at 95 DEG C, and the extrusion capacity of compound controls at 6g/s, conductor institute
The pull strength being subject to is about 12N, and translational speed is about 0.7m/mi n；
D) it is wound around rolling.
Embodiment 4
The preparation technology of the cable sheath that the present invention proposes, process is as follows:
A) pretreatment silver-plated copper powder, processing procedure is as follows: first, and compound concentration is the silane coupler solution of 1.1%, silicon
Vinyl three t-butylperoxy silane selected by alkane coupling agent, and solvent is selected 95% ethanol, added appropriate 36% in process for preparation
Acetic acid；Then, silver-plated copper powder is put into solid blender, add the silane coupler solution of preparation and stir, blender rotating speed
Controlling at 550r/mi n, mixing time is 25 minutes；Finally, being removed by silver-plated copper powder and carry out drying and processing, temperature controls
118 DEG C, the time is 2 hours；
B) batch mixing, batch mixing process is as follows: first, the plating quantitative liquid silastic, graphite powder and step a) obtained
Silver-bearing copper powder adds to agitator, uniform stirring 29 minutes, and agitator temperature controls at 128 DEG C；Then, agitator temperature is maintained not
Become, add quantitative crosslinking reinforcing agent and zinc stearate, continue stirring 48 minutes；Finally, agitator temperature is down to 88 DEG C, adds
Add quantitative vulcanizing agent, be warming up to 98 DEG C, continue stirring 20 minutes, be then cooled to 68 DEG C；
C) using extrusion molding unit extrusion, extrusion is as follows: compound is imported extruder, cross-head uniformly squeeze
Directly it is coated on conductor after going out；Cross-head temperature controls at 95 DEG C, and the extrusion capacity of compound controls at 4g/s, conductor institute
The pull strength being subject to is about 12N, and translational speed is about 0.7m/mi n；
D) it is wound around rolling.
Embodiment 5
The preparation technology of the cable sheath that the present invention proposes, process is as follows:
A) pretreatment silver-plated copper powder, processing procedure is as follows: first, and compound concentration is the silane coupler solution of 1.2%, silicon
Vinyl three t-butylperoxy silane selected by alkane coupling agent, and solvent is selected 95% ethanol, added appropriate 36% in process for preparation
Acetic acid；Then, silver-plated copper powder is put into solid blender, add the silane coupler solution of preparation and stir, blender rotating speed
Controlling at 550r/mi n, mixing time is 25 minutes；Finally, being removed by silver-plated copper powder and carry out drying and processing, temperature controls
120 DEG C, the time is 2 hours；
B) batch mixing, batch mixing process is as follows: first, the plating quantitative liquid silastic, graphite powder and step a) obtained
Silver-bearing copper powder adds to agitator, uniform stirring 30 minutes, and agitator temperature controls at 130 DEG C；Then, agitator temperature is maintained not
Become, add quantitative crosslinking reinforcing agent and zinc stearate, continue stirring 50 minutes；Finally, agitator temperature is down to 90 DEG C, adds
Add quantitative vulcanizing agent, be warming up to 100 DEG C, continue stirring 20 minutes, be then cooled to 70 DEG C；
C) using extrusion molding unit extrusion, extrusion is as follows: compound is imported extruder, cross-head uniformly squeeze
Directly it is coated on conductor after going out；Cross-head temperature controls at 95 DEG C, and the extrusion capacity of compound controls at 5g/s, conductor institute
The pull strength being subject to is about 12N, and translational speed is about 0.6m/mi n；
D) it is wound around rolling.
Invention described above embodiment, is not intended that limiting the scope of the present invention.Any in the present invention
Spirit and principle within amendment, equivalent and the improvement etc. made, should be included in the claim protection model of the present invention
Within enclosing.
Claims (5)
1. the preparation technology of a cable sheath, it is characterised in that comprise the following steps:
A) pretreatment silver-plated copper powder；
B) batch mixing；
C) extrusion molding unit extrusion is used；
D) it is wound around rolling.
The preparation technology of a kind of cable sheath the most according to claim 1, it is characterised in that in described step a), place
Reason process is as follows: first, and compound concentration is the silane coupler solution of 0.8%-1.2%, and silane coupler selects vinyl three
T-butylperoxy silane, solvent is selected 95% ethanol, is added 36% appropriate acetic acid in process for preparation；Then, by silver-plated copper powder
Putting into solid blender, add the silane coupler solution of preparation and stir, blender rotating speed controls, at 450-550r/min, to stir
The time of mixing is 20-25 minute；Finally, being removed by silver-plated copper powder and carry out drying and processing, temperature controls at 110 DEG C-120 DEG C, time
Between be about 2 hours.
The preparation technology of a kind of cable sheath the most according to claim 1, it is characterised in that in described step b), mixed
Material process is as follows: first, and the silver-plated copper powder quantitative liquid silastic, graphite powder and step a) obtained adds to stirring
Bucket, uniform stirring 20-30 minute, agitator temperature controls at 120 DEG C-130 DEG C；Then, maintain agitator temperature-resistant, add
Quantitative crosslinking reinforcing agent and heat-resisting stabilizing agent, continue stirring 40-50 minute；Finally, agitator temperature is down to 80 DEG C-90
DEG C, add quantitative vulcanizing agent, be warming up to 95 DEG C-100 DEG C, continue stirring 15-20 minute, be then cooled to 60 DEG C-70 DEG C.
The preparation technology of a kind of cable sheath the most according to claim 1, it is characterised in that heat-resisting stabilizing agent is organotin
One in stabilizer, tribasic lead sulfate, zinc stearate, epoxidised soybean oil.
The preparation technology of a kind of cable sheath the most according to claim 1, it is characterised in that in described step c), will
Compound imports extruder, cross-head be directly coated on conductor after uniformly extruding；Cross-head temperature controls
90 DEG C-95 DEG C, the extrusion capacity of compound controls at 4-6g/s, and the pull strength suffered by conductor is about 10-12N, and translational speed is about
0.6-0.7m/min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687064.2A CN106298086A (en) | 2016-08-17 | 2016-08-17 | A kind of preparation technology of cable sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687064.2A CN106298086A (en) | 2016-08-17 | 2016-08-17 | A kind of preparation technology of cable sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106298086A true CN106298086A (en) | 2017-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610687064.2A Pending CN106298086A (en) | 2016-08-17 | 2016-08-17 | A kind of preparation technology of cable sheath |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1448423A (en) * | 2003-04-29 | 2003-10-15 | 佛山塑料集团股份有限公司 | Soft PVCcalendered film and and its manufacture |
| CN101093739A (en) * | 2006-06-21 | 2007-12-26 | 深圳市金信诺电缆技术有限公司 | Method for fabricating insulating layer of Teflon for coaxial cable |
| CN101475803A (en) * | 2009-01-19 | 2009-07-08 | 上海富顺单向透视材料有限公司 | Self-luminescent material and preparation thereof |
| CN103872421A (en) * | 2014-03-13 | 2014-06-18 | 苏州科茂电子材料科技有限公司 | Method for manufacturing jacket of radiofrequency coaxial cable |
| CN104292699A (en) * | 2014-10-21 | 2015-01-21 | 陕西煤业化工技术研究院有限责任公司 | Antistatic flame-retardant composite material for coal mines and preparation method of antistatic flame-retardant composite material |
| CN105551693A (en) * | 2016-01-29 | 2016-05-04 | 中国电子科技集团公司第二十三研究所 | Fabrication method of extruded mineral insulated radio-frequency cable and radio-frequency cable |
-
2016
- 2016-08-17 CN CN201610687064.2A patent/CN106298086A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1448423A (en) * | 2003-04-29 | 2003-10-15 | 佛山塑料集团股份有限公司 | Soft PVCcalendered film and and its manufacture |
| CN101093739A (en) * | 2006-06-21 | 2007-12-26 | 深圳市金信诺电缆技术有限公司 | Method for fabricating insulating layer of Teflon for coaxial cable |
| CN101475803A (en) * | 2009-01-19 | 2009-07-08 | 上海富顺单向透视材料有限公司 | Self-luminescent material and preparation thereof |
| CN103872421A (en) * | 2014-03-13 | 2014-06-18 | 苏州科茂电子材料科技有限公司 | Method for manufacturing jacket of radiofrequency coaxial cable |
| CN104292699A (en) * | 2014-10-21 | 2015-01-21 | 陕西煤业化工技术研究院有限责任公司 | Antistatic flame-retardant composite material for coal mines and preparation method of antistatic flame-retardant composite material |
| CN105551693A (en) * | 2016-01-29 | 2016-05-04 | 中国电子科技集团公司第二十三研究所 | Fabrication method of extruded mineral insulated radio-frequency cable and radio-frequency cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20170104 |