CN105913910A - Nano vanadium carbide-modified high-insulation cable and manufacturing method thereof - Google Patents
Nano vanadium carbide-modified high-insulation cable and manufacturing method thereof Download PDFInfo
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- CN105913910A CN105913910A CN201610522330.6A CN201610522330A CN105913910A CN 105913910 A CN105913910 A CN 105913910A CN 201610522330 A CN201610522330 A CN 201610522330A CN 105913910 A CN105913910 A CN 105913910A
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- silver
- aramid fiber
- fiber yarn
- plated aramid
- insulating barrier
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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
- H01B7/02—Disposition of insulation
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- 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
- H01B13/02—Stranding-up
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- 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
- H01B13/06—Insulating conductors or 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
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
-
- 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
- H01B7/0216—Two 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a nano vanadium carbide-modified high-insulation cable and a manufacturing method thereof. The high-insulation cable comprises multiple strands of wire core units which are mutually twisted, wherein a silver-plated aramid yarn braided sleeve sleeves the outside of the multiple strands of wire core units and is filled with asphalt; a first insulating layer, a critical layer and a second insulating layer are sequentially arranged outside the silver-plated aramid yarn braided sleeve along the direction from the inside to the outside; the first insulating layer is an ethylene-ethyl acrylate copolymer layer; the critical layer is filled with nano vanadium carbide; and the second insulating layer is an ethylene-tetrafluoroethylene copolymer layer. The cable manufactured by the method has excellent insulativity and stability.
Description
Technical field
The present invention relates to insulated cable, in particular it relates to the high insulated cable that a kind of nano vanadium carbide is modified
And preparation method thereof.
Background technology
Along with the high speed fast development of current science and technology and China's national defense modernization development build urgent
Needing, war industry develops towards the direction of high-tech, high speed.Aeronautics and Astronautics, weapons work
The technical merit of industry represents and signifies military capability of the country, for adapting to the needs of modernization of national defense high speed development,
Matched product is also constantly updating, the electrification of equipment, automatization, systemization
Improving constantly, the usage amount as the cable of " blood vessel and nerve " is increasing, the quality water to product
Gentle security reliability proposes the higher requirement of renewal.For adapting to the need of modernization of national defense high speed development
, matched product is also constantly updating, and developing new high-tech product is military work
Industry is supporting to strengthening national defense construction, the technical strength important role improving military equipment and meaning.
At present, Aerospace Products is used conditions and environment to be restricted by it, proposes material strict
Requirement.For structural material, wherein it is crucial that light-high-strength and high temperature corrosion-resisting.From this
It can be said that aerospace industries has brought up to its Limiting Level the ability of structural material on point.Aviation
Space product can be described as " Ke Ke haggles over " in terms of pursuing lightweight and loss of weight, aircraft every loss of weight 1kg
Economic benefit exceed ten thousand dollars.Therefore, electronic devices and components are required to miniaturization, light by aerospace field
Type direction is developed.Wherein, the performance of especially space flight cable governs the overall of Aerospace Products
The raising of performance, this is primarily due to the height that space flight cable is difficult to keep stable in the adverse circumstances of space flight
Insulating properties.
Summary of the invention
It is an object of the invention to provide modified high insulated cable of a kind of nano vanadium carbide and preparation method thereof,
The cable prepared by the method has insulating properties and the stability of excellence.
To achieve these goals, the invention provides the high insulated cable that a kind of nano vanadium carbide is modified,
This high insulated cable includes the most stranded multi cord core unit, and the outer cover of multi cord core unit is provided with plating
Silver aramid fiber yarn wired tube, is filled with Colophonium in silver-plated aramid fiber yarn wired tube；Outside silver-plated aramid fiber yarn wired tube
Portion is disposed with the first insulating barrier, critical layer and the second insulating barrier along direction from inside to outside；First
Insulating barrier is ethylene-ethyl acrylate copolymer layer, and critical layer is filled with nano vanadium carbide, the second insulation
Layer is ethylene-tetrafluoroethylene copolymer layer.
Preferably, a diameter of 0.85-0.90mm of silver-plated aramid fiber yarn wired tube, the thickness of the first insulating barrier
For 0.15-0.20mm, the thickness of critical layer is 0.05-0.12mm, and the thickness of the second insulating barrier is
0.20-0.25mm。
Preferably, the thickness of the silver coating on the outer surface of the silver-plated aramid fiber yarn in silver-plated aramid fiber yarn establishment set
For 1-2 μm.
Preferably, on the basis of the area of the cross section of silver-plated aramid fiber yarn wired tube, silver-plated aramid fiber yarn weaves
The area that the cross section medium pitch of set occupies is 35-45%.
Preferably, core unit includes the most stranded multiply silver-gilt copper wire, the outside of multiply silver-gilt copper wire
Being provided with protective layer, protective layer is filled by polystyrene and is formed.
Preferably, a diameter of 0.05-0.08mm of silver-gilt copper wire, a diameter of 0.20-0.30mm of protective layer.
Preferably, the thickness of the silver coating of the outer surface of multiply silver-gilt copper wire is 0.5-0.9 μm.
Present invention also offers the preparation method of the modified high insulated cable of a kind of above-mentioned nano vanadium carbide,
This preparation method includes:
1) by the most stranded for multi cord core unit, then silver-plated aramid fiber yarn wired tube is sheathed on multi cord
The outside of core unit, then fills Colophonium with the inside to silver-plated aramid fiber yarn wired tube；
2) ethylene-ethyl acrylate copolymer is extruded in the outside of silver-plated aramid fiber yarn wired tube to form
One insulating barrier, the surface that nano vanadium carbide is then embedded at the first insulating barrier forms critical layer, then will
Ethylene-tetrafluoroethylene copolymer extrudes and forms the second insulating barrier with prepared nanometer in the outside of the first insulating barrier
The high insulated cable that vanadium carbide is modified.
Preferably, in step 1) before, method also includes: be soaked in acid solution by aramid fiber yarn, then
Take out and plate on the outer surface of aramid fiber yarn silver layer with prepare silver-plated aramid fiber yarn, then by silver-plated aramid fiber yarn
It is woven into silver-plated aramid fiber yarn wired tube.
Preferably, one or more in hydrochloric acid solution, salpeter solution and sulfuric acid solution of acid solution；And
And, the concentration of acid solution is 50-70 weight %.
According to technique scheme, the present invention by set gradually in the outside of multi cord core unit Colophonium,
Silver-plated aramid fiber yarn wired tube, the first insulating barrier, critical layer and the second insulating barrier, working in coordination with by each parts
Effect makes this cable have the insulating properties of excellence, and meanwhile, this cable can be protected in rugged environment
Hold the stability of excellence；Wherein, the nano vanadium carbide in critical layer can be exhausted to the first insulating barrier and second
Edge layer spread and then make the first insulating barrier and the second insulating barrier form one and then improve both lists
Only insulating properties.Meanwhile, this cable has the stability of excellence, it is possible to keep in rugged environment
Stable performance, and then ensure that it can steady operation.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with
Detailed description below is used for explaining the present invention together, but is not intended that limitation of the present invention.?
In accompanying drawing:
Fig. 1 is the structural representation of the high insulated cable of the nano vanadium carbide modification that the present invention provides.
Description of reference numerals
1, core unit 2, silver-gilt copper wire
3, silver coating 4, protective layer
5, Colophonium 6, silver-plated aramid fiber yarn wired tube
7, the first insulating barrier 8, critical layer
9, the second insulating barrier
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that
Detailed description of the invention described herein is merely to illustrate and explains the present invention, is not limited to this
Bright.
In the present invention, in the case of illustrating on the contrary, " inside and outside " etc. is included in term
The noun of locality only represents this term orientation under normal service condition, or is skilled artisan understands that
It is commonly called as, and is not construed as the restriction to this term.
The invention provides the high insulated cable that a kind of nano vanadium carbide is modified, as it is shown in figure 1, this height is exhausted
Edge cable includes the most stranded multi cord core unit 1, and the outer cover of multi cord core unit 1 is provided with silver-plated
Aramid fiber yarn wired tube 6, is filled with Colophonium 5 in silver-plated aramid fiber yarn wired tube 6；Silver-plated aramid fiber yarn wired tube 6
Outside be disposed with the first insulating barrier 7, critical layer 8 and the second insulation along direction from inside to outside
Layer 9；First insulating barrier 7 is ethylene-ethyl acrylate copolymer layer, and critical layer 8 is filled with nano silicon carbide
Vanadium, the second insulating barrier 9 is ethylene-tetrafluoroethylene copolymer layer.
The outside of above-mentioned multi cord core unit 1 set gradually Colophonium 5, silver-plated aramid fiber yarn wired tube 6,
First insulating barrier 7, critical layer 8 and the second insulating barrier 9, make this electricity by the synergism of each parts
Cable has the insulating properties of excellence, and meanwhile, this cable can keep excellent stablizing in rugged environment
Property；Wherein, the nano vanadium carbide in critical layer 8 can be in the first insulating barrier 7 and the second insulating barrier 9
Diffusion and then the first insulating barrier 7 is formed integrally and then to improve both single with the second insulating barrier 9
Insulating properties.Meanwhile, this cable has the stability of excellence, it is possible to keep stable in rugged environment
Performance, and then ensure that it can steady operation.
In the present invention, silver-plated aramid fiber yarn wired tube the 6, first insulating barrier 7, critical layer 8 and second are exhausted
The size of edge layer 9 can select in wide scope, but in order to improve further cable insulating properties and
Stability, it is preferable that a diameter of 0.85-0.90mm of silver-plated aramid fiber yarn wired tube 6, the first insulating barrier
The thickness of 7 is 0.15-0.20mm, and the thickness of critical layer 8 is 0.05-0.12mm, the second insulating barrier 9
Thickness is 0.20-0.25mm.
Meanwhile, the thickness of the silver coating of the silver-plated aramid fiber yarn in silver-plated aramid fiber yarn establishment set can be at wide model
Enclose interior adjustment, but in order to improve capability of electromagnetic shielding and the stability of cable further, it is preferable that
The thickness of the silver coating on the outer surface of the silver-plated aramid fiber yarn in silver-plated aramid fiber yarn establishment set is 1-2 μm.
Additionally, in this cable, the content of Colophonium 5 can change in wide scope, but in order to make
Colophonium 5 can be fully filled between multi cord core unit 1 and core unit 1 and silver-plated aramid fiber
Between silk wired tube 6, it is preferable that on the basis of the area of the cross section of silver-plated aramid fiber yarn wired tube 6,
The area that the cross section medium pitch 5 of silver-plated aramid fiber yarn wired tube 6 occupies is 35-45%.
On the basis of the above, the concrete knot of core unit 1 can select in wide scope, but
It is to improve the stability of the signal during wired signal transmission and the transmission quality of signal, preferably
Ground, core unit 1 includes the most stranded multiply silver-gilt copper wire 2, and the outside of multiply silver-gilt copper wire 2 sets
Being equipped with protective layer 4, protective layer 4 is filled by polystyrene and is formed.So, can be filled by polystyrene
Divide ground to come insulating between each core unit 1, and then ensure that each single core unit 1 can
Transmit and do not result in interference, preferably between different signals, and the signal of each core unit 1 transmission
Ground, a diameter of 0.05-0.08mm of silver-gilt copper wire 2, a diameter of 0.20-0.30mm of protective layer 4.
Additionally, the thickness of the silver coating 3 of multiply silver-gilt copper wire 2 can select in wide scope, but
In order to improve the signal transmission performance of multiply silver-gilt copper wire 2, it is preferable that the appearance of multiply silver-gilt copper wire 2
The thickness of the silver coating 3 in face is 0.5-0.9 μm.
Present invention also offers the preparation method of the modified high insulated cable of a kind of above-mentioned nano vanadium carbide,
This preparation method includes:
1) by the most stranded for multi cord core unit 1, then silver-plated aramid fiber yarn wired tube 6 is sheathed on many
The outside of strand core unit 1, then fills by Colophonium 5 with the inside to silver-plated aramid fiber yarn wired tube 6；
2) ethylene-ethyl acrylate copolymer is extruded in the outside of silver-plated aramid fiber yarn wired tube 6 to be formed
First insulating barrier 7, the surface that nano vanadium carbide is then embedded at the first insulating barrier 7 forms critical layer 8,
Then ethylene-tetrafluoroethylene copolymer is extruded and form the second insulating barrier 9 in the outside of the first insulating barrier 7
With the high insulated cable that prepared nano vanadium carbide is modified.
In the preparation process in accordance with the present invention, silver-plated aramid fiber yarn wired tube 6 can be by this area any one
Plant conventional method to be prepared, but in order to improve the capability of electromagnetic shielding of silver-plated aramid fiber yarn wired tube 6,
Preferably, in step 1) before, the method also includes: is soaked in acid solution by aramid fiber yarn, then takes
Go out and plate on the outer surface of aramid fiber yarn silver layer with prepare silver-plated aramid fiber yarn, then silver-plated aramid fiber yarn is compiled
It is made into silver-plated aramid fiber yarn wired tube 6.
It addition, the kind of acid solution and concentration can also select in wide scope, but in order to carry further
The anti-electromagnetic interference capability of the high silver-plated aramid fiber yarn wired tube 6 prepared, it is preferable that acid solution is molten selected from hydrochloric acid
One or more in liquid, salpeter solution and sulfuric acid solution；Further, the concentration of acid solution is 50-70 weight
%.
The present invention is further illustrated by the following examples.
Preparation example 1
The aramid fiber yarn of a diameter of 0.10mm is soaked in the acid solution (hydrochloric acid solution) of 60 weight %, connects
Taking-up and on the outer surface of aramid fiber yarn, plate silver layer (thickness of silver coating is 1.5 μm) with prepared plating
Silver aramid fiber yarn, is then woven into silver-plated aramid fiber yarn wired tube 6 (a diameter of 0.88mm) by silver-plated aramid fiber yarn.
Embodiment 1
1) by multiply silver-gilt copper wire 2 (a diameter of 0.07mm, the thickness of silver coating 3 is 0.7 μm) phase
The most stranded, then polystyrene is extruded and form protective layer 4 (diameter in the outside of multiply silver-gilt copper wire 2
For 0.25mm) with prepared core unit；
2) by the most stranded for multi cord core unit, then silver-plated aramid fiber yarn wired tube is sheathed on multi cord
The outside of core unit, then fills Colophonium with the inside of extremely silver-plated aramid fiber yarn wired tube (with silver-plated aramid fiber yarn
On the basis of the area of the cross section of wired tube 6, the cross section medium pitch 5 of silver-plated aramid fiber yarn wired tube 6 accounts for
Some areas are 40%)；
3) ethylene-ethyl acrylate copolymer is extruded in the outside of silver-plated aramid fiber yarn wired tube to form
One insulating barrier 7 (thickness is 0.18mm), is then embedded at the surface of the first insulating barrier by nano vanadium carbide
Form critical layer 8 (thickness is 0.08mm), then ethylene-tetrafluoroethylene copolymer is extruded in first
Outside second insulating barrier 9 (thickness is 0.22mm) that formed of insulating barrier is with the modification of prepared nano vanadium carbide
High insulated cable A1.
Embodiment 2
1) by multiply silver-gilt copper wire 2 (a diameter of 0.05mm, the thickness of silver coating 3 is 0.5 μm) phase
The most stranded, then polystyrene is extruded and form protective layer 4 (diameter in the outside of multiply silver-gilt copper wire 2
For 0.20mm) with prepared core unit；
2) by the most stranded for multi cord core unit, then silver-plated aramid fiber yarn wired tube is sheathed on multi cord
The outside of core unit, then fills Colophonium with the inside of extremely silver-plated aramid fiber yarn wired tube (with silver-plated aramid fiber yarn
On the basis of the area of the cross section of wired tube 6, the cross section medium pitch 5 of silver-plated aramid fiber yarn wired tube 6 accounts for
Some areas are 35%)；
3) ethylene-ethyl acrylate copolymer is extruded in the outside of silver-plated aramid fiber yarn wired tube to form
One insulating barrier 7 (thickness is 0.15mm), is then embedded at the surface of the first insulating barrier by nano vanadium carbide
Form critical layer 8 (thickness is 0.05mm), then ethylene-tetrafluoroethylene copolymer is extruded in first
Outside second insulating barrier 9 (thickness is 0.20mm) that formed of insulating barrier is with the modification of prepared nano vanadium carbide
High insulated cable A2.
Embodiment 3
1) by multiply silver-gilt copper wire 2 (a diameter of 0.08mm, the thickness of silver coating 3 is 0.9 μm) phase
The most stranded, then polystyrene is extruded and form protective layer 4 (diameter in the outside of multiply silver-gilt copper wire 2
For 0.30mm) with prepared core unit；
2) by the most stranded for multi cord core unit, then silver-plated aramid fiber yarn wired tube is sheathed on multi cord
The outside of core unit, then fills Colophonium with the inside of extremely silver-plated aramid fiber yarn wired tube (with silver-plated aramid fiber yarn
On the basis of the area of the cross section of wired tube 6, the cross section medium pitch 5 of silver-plated aramid fiber yarn wired tube 6 accounts for
Some areas are 45%)；
3) ethylene-ethyl acrylate copolymer is extruded in the outside of silver-plated aramid fiber yarn wired tube to form
One insulating barrier 7 (thickness is 0.20mm), is then embedded at the surface of the first insulating barrier by nano vanadium carbide
Form critical layer 8 (thickness is 0.12mm), then ethylene-tetrafluoroethylene copolymer is extruded in first
Outside second insulating barrier 9 (thickness is 0.25mm) that formed of insulating barrier is with the modification of prepared nano vanadium carbide
High insulated cable A3.
Comparative example 1
Carry out preparing high insulated cable B1 according to the method for embodiment 1, except that, in step 3)
In do not use nano vanadium carbide.
Detection example 1
1) resistance 1 of above-mentioned cable is detected；
2) breakdown test: after above-mentioned cable is kept 7h at 300 DEG C, by the voltage of exchange 2.5kV
Processing 5min, observe whether cable punctures, detect resistance 2 now simultaneously, concrete outcome is shown in Table 1.
Table 1
| Resistance 1/M Ω km | Breakdown test | Resistance 2/M Ω km | |
| A1 | 11700 | Do not puncture | 11200 |
| A2 | 11500 | Do not puncture | 11000 |
| A3 | 11400 | Do not puncture | 11100 |
| B1 | 9300 | Puncture | 7600 |
By above-described embodiment, comparative example and detection example, the cable that the present invention provides has excellence
Anti-insulating properties and stability.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention does not limit
Detail in above-mentioned embodiment, in the technology concept of the present invention, can be to the present invention
Technical scheme carry out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the high insulated cable that a nano vanadium carbide is modified, it is characterised in that described high insulated cable
Including the most stranded multi cord core unit (1), the outer cover of described multi cord core unit (1) is provided with
Silver-plated aramid fiber yarn wired tube (6), is filled with Colophonium (5) in described silver-plated aramid fiber yarn wired tube (6)；
It is exhausted that the outside of described silver-plated aramid fiber yarn wired tube (6) is disposed with first along direction from inside to outside
Edge layer (7), critical layer (8) and the second insulating barrier (9)；Described first insulating barrier (7) be ethylene-
Ethyl acrylate copolymer layer, described critical layer (8) is filled with nano vanadium carbide, described second insulation
Layer (9) is ethylene-tetrafluoroethylene copolymer layer.
High insulated cable the most according to claim 1, it is characterised in that described silver-plated aramid fiber yarn
A diameter of 0.85-0.90mm of wired tube (6), the thickness of described first insulating barrier (7) is
0.15-0.20mm, the thickness of described critical layer (8) is 0.05-0.12mm, described second insulating barrier (9)
Thickness be 0.20-0.25mm.
High insulated cable the most according to claim 1 and 2, wherein, described silver-plated aramid fiber yarn is compiled
The thickness of the silver coating on the outer surface of the silver-plated aramid fiber yarn in system set is 1-2 μm.
High insulated cable the most according to claim 3, it is characterised in that with described silver-plated aramid fiber
On the basis of the area of the cross section of silk wired tube (6), described silver-plated aramid fiber yarn wired tube (6) transversal
The area that face medium pitch (5) occupies is 35-45%.
High insulated cable the most according to claim 1 and 2, it is characterised in that described core list
Unit (1) includes the most stranded multiply silver-gilt copper wire (2), the outside of described multiply silver-gilt copper wire (2)
Being provided with protective layer (4), described protective layer (4) is filled by polystyrene and is formed.
High insulated cable the most according to claim 5, it is characterised in that described silver-gilt copper wire (2)
A diameter of 0.05-0.08mm, a diameter of 0.20-0.30mm of described protective layer (4).
High insulated cable the most according to claim 6, it is characterised in that described multiply silver-plated copper
The thickness of the silver coating (3) of the outer surface of silk (2) is 0.5-0.9 μm.
8. the high insulated electro that the nano vanadium carbide as described in any one in claim 1-7 is modified
The preparation method of cable, it is characterised in that described preparation method includes:
1) by the most stranded for described multi cord core unit (1), then by described silver-plated aramid fiber yarn wired tube
(6) it is sheathed on the outside of described multi cord core unit (1), then described Colophonium (5) is filled extremely
The inside of described silver-plated aramid fiber yarn wired tube (6)；
2) described ethylene-ethyl acrylate copolymer is extruded in described silver-plated aramid fiber yarn wired tube (6)
Outside to form described first insulating barrier (7), then described nano vanadium carbide is embedded at described first
The surface of insulating barrier (7) forms described critical layer (8), then by described ethylene-tetrafluoroethylene copolymer
Extrude and form the second insulating barrier (9) with prepared nano vanadium carbide in the outside of described first insulating barrier (7)
Modified high insulated cable.
Preparation method the most according to claim 8, it is characterised in that in step 1) before, institute
Method of stating also includes: be soaked in acid solution by aramid fiber yarn, then taking-up the outer surface at described aramid fiber yarn
On plate silver layer with prepare silver-plated aramid fiber yarn, then described silver-plated aramid fiber yarn is woven into described silver-plated aramid fiber
Silk wired tube (6).
The most according to claim 8 or claim 9, preparation method, wherein, described acid solution is molten selected from hydrochloric acid
One or more in liquid, salpeter solution and sulfuric acid solution；Further, the concentration of described acid solution is 50-70
Weight %.
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| CN201610522330.6A CN105913910A (en) | 2016-07-06 | 2016-07-06 | Nano vanadium carbide-modified high-insulation cable and manufacturing method thereof |
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| CN104795135A (en) * | 2014-01-17 | 2015-07-22 | 安徽华能电缆集团有限公司 | Fluoroplastic insulation light cable for aerospace |
| CN204926876U (en) * | 2015-07-23 | 2015-12-30 | 四川航天五源复合材料有限公司 | Special optoelectrical composite cable in underground with basalt combined material protective layer |
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Application publication date: 20160831 |