CN111768887A - Copper-clad steel wire with composite protective layer and preparation method thereof - Google Patents
Copper-clad steel wire with composite protective layer and preparation method thereof Download PDFInfo
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- CN111768887A CN111768887A CN201910255364.7A CN201910255364A CN111768887A CN 111768887 A CN111768887 A CN 111768887A CN 201910255364 A CN201910255364 A CN 201910255364A CN 111768887 A CN111768887 A CN 111768887A
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- Prior art keywords
- polymer layer
- copper
- steel wire
- clad steel
- layer
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 239000011241 protective layer Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000010410 layer Substances 0.000 claims abstract description 117
- 229920000642 polymer Polymers 0.000 claims abstract description 104
- 238000000576 coating method Methods 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000002245 particle Substances 0.000 claims abstract description 21
- 239000002114 nanocomposite Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000002318 adhesion promoter Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000005253 cladding Methods 0.000 claims description 8
- 239000005543 nano-size silicon particle Substances 0.000 claims description 7
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000004962 Polyamide-imide Substances 0.000 claims description 3
- 229920003055 poly(ester-imide) Polymers 0.000 claims description 3
- 229920002312 polyamide-imide Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/026—Alloys based on copper
-
- 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
- H01B13/06—Insulating conductors or cables
- H01B13/16—Insulating conductors or cables by passing through or dipping in a liquid bath; by spraying
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/02—Single bars, rods, wires, or strips
- H01B5/04—Single bars, rods, wires, or strips wound or coiled
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a copper-clad steel wire with a composite protective layer, which comprises a copper-clad steel wire and the composite protective layer for coating the copper-clad steel wire, wherein the composite protective layer comprises a first polymer layer for coating the copper-clad steel wire, a second polymer layer for coating the first polymer layer and a third polymer layer for coating the second polymer layer, the thickness of the first polymer layer is 0.5-1 mm, the thickness of the second polymer layer is 0.1-0.5 mm, the thickness of the third polymer layer is 0.1-0.5 mm, the first polymer layer and the second polymer layer are polymer coatings modified by nano composite particles, the particle size of the nano composite particles is 20-50 nm, and the third polymer layer is a waterproof layer. The invention also discloses a preparation method of the copper clad steel wire with the composite protective layer. The copper clad steel wire has good insulation and waterproof performance and good current impact resistance.
Description
Technical Field
The invention relates to the technical field of cable wire manufacturing, in particular to a copper clad steel wire with a composite protective layer and a preparation method thereof.
Background
The copper-clad steel wire is a bimetal composite material which combines the excellent conductivity and corrosion resistance of copper and the high strength of steel into a whole. The copper clad steel wire is mainly used in various fields of electrified railways, lightning protection grounding systems, communication, electronic component pins and the like.
When the copper-clad steel wire is applied to some specific technical fields, the copper-clad steel wire is generally required to have a certain impact resistance function. In the prior art, the impact resistance effect of a copper-clad steel wire protective layer is not ideal enough.
Therefore, in order to solve the above problems, it is necessary to provide a copper clad steel wire with a composite protective layer and a manufacturing method thereof, which can solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a copper clad steel wire with a composite protective layer and a preparation method thereof, which aim to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a copper-clad steel wire with a composite protective layer comprises a copper-clad steel wire and the composite protective layer for cladding the copper-clad steel wire, wherein the composite protective layer comprises a first polymer layer cladding the copper-clad steel wire, a second polymer layer cladding the first polymer layer and a third polymer layer cladding the second polymer layer, the thickness of the first polymer layer is 0.5-1 mm, the thickness of the second polymer layer is 0.1-0.5 mm, the thickness of the third polymer layer is 0.1-0.5 mm, the first polymer layer and the second polymer layer are polymer coatings modified by adopting nano composite particles, the particle size of the nano composite particles is 20-50 nm, and the third polymer layer is a waterproof layer.
Preferably, the nano composite particles are a mixture of nano titanium dioxide and nano silicon dioxide, and the weight ratio of the nano titanium dioxide to the nano silicon dioxide is 1: 1-2.
Preferably, the first polymer layer is a modified polyester imide resin layer, and the second polymer layer is a modified polyamide imide coating.
Preferably, the adhesion promoter is arranged between the copper clad steel wire and the first polymer layer, and/or the adhesion promoter is arranged between the first polymer layer and the second polymer layer, and/or the adhesion promoter is arranged between the second polymer layer and the third polymer layer.
Preferably, the thickness of the adhesion promotion layer is 0.01-0.1 mm.
The invention also discloses a preparation method of the copper clad steel wire with the composite protective layer, which comprises the following steps:
(1) coating a first polymer layer on the surface of the copper-clad steel wire, and drying at a certain temperature to form a film;
(2) coating a second polymer layer on the dried first polymer layer, and drying at a certain temperature to form a film;
(3) and coating a third polymer layer on the dried second polymer layer, and drying at a certain temperature to form a film to form the copper-clad steel wire with the composite protective layer.
Preferably, the predetermined temperature is 100 to 200 ℃.
Compared with the prior art, the invention has the advantages that: the copper-clad steel wire has good insulation and waterproof properties, and the polymer layer is modified by adopting the nano composite particles, so that the copper-clad steel wire has good current impact resistance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a copper clad steel wire with a composite protective layer according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
For a further understanding of the present invention, reference will now be made in detail to the following examples.
In the prior art, the current impact resistance of the surface protection layer of the copper clad steel wire is not ideal. In order to solve the problems of the prior art, the invention discloses a copper-clad steel wire with a composite protective layer, which comprises a copper-clad steel wire and the composite protective layer for coating the copper-clad steel wire, wherein the composite protective layer comprises a first polymer layer for coating the copper-clad steel wire, a second polymer layer for coating the first polymer layer and a third polymer layer for coating the second polymer layer, the thickness of the first polymer layer is 0.5-1 mm, the thickness of the second polymer layer is 0.1-0.5 mm, the thickness of the third polymer layer is 0.1-0.5 mm, the first polymer layer and the second polymer layer are polymer coatings modified by adopting nano composite particles, the particle size of the nano composite particles is 20-50 nm, and the third polymer layer is a waterproof layer.
Compared with the prior art, the invention has the advantages that: the copper-clad steel wire has good insulation and waterproof properties, and the polymer layer is modified by adopting the nano composite particles, so that the copper-clad steel wire has good current impact resistance.
Referring to fig. 1, fig. 1 is a schematic cross-sectional view of a copper clad steel wire with a composite protective layer according to the present invention. The invention provides a copper clad steel wire with a composite protective layer, which comprises a copper clad steel wire 1 and the composite protective layer coating the copper clad steel wire 1, wherein the composite protective layer comprises a first polymer layer 2 coating the copper clad steel wire 1, a second polymer layer 3 coating the first polymer layer 2 and a third polymer layer 4 coating the second polymer layer 3. Further, the first polymer layer 2 is a modified polyester imide resin layer, the second polymer layer 3 is a modified polyamide imide coating, and the third polymer layer 4 is a polymer layer having a waterproof function.
The thickness of the first polymer layer 2 is 0.5-1 mm, the thickness of the second polymer layer 3 is 0.1-0.5 mm, the thickness of the third polymer layer 4 is 0.1-0.5 mm, preferably, the thickness of the first polymer layer 2 is 0.8mm, the thickness of the second polymer layer 3 is 0.2mm, and the thickness of the third polymer layer 4 is 0.3 mm.
The first polymer layer 2 and the second polymer layer 3 are both polymer coatings modified with nanocomposite particles. The nano composite particles are a mixture of nano titanium dioxide and nano silicon dioxide, the weight ratio of the nano titanium dioxide to the nano silicon dioxide is 1: 1-2, and preferably, the weight ratio of the nano titanium dioxide to the nano silicon dioxide is 1: 1.5. The particle size of the nano composite particles is 20-50 nm. The first polymer layer 2 and the second polymer layer 3 are modified by adopting the nano composite particles, so that the copper-clad steel wire has better current impact resistance.
Further, the copper clad steel wire with the composite protective layer further comprises an adhesion promoter layer arranged between the copper clad steel wire 1 and the first polymer layer 2, and/or an adhesion promoter layer arranged between the first polymer layer 2 and the second polymer layer 3, and/or an adhesion promoter layer arranged between the second polymer layer 3 and the third polymer layer 4. The thickness of the adhesion promotion layer is 0.01-0.1 mm, and preferably, the thickness of the adhesion promotion layer is 0.05 mm.
The invention also discloses a preparation method of the copper clad steel wire with the composite protective layer, which comprises the following steps:
(1) coating a first polymer layer on the surface of the copper-clad steel wire, and drying at a certain temperature to form a film;
(2) coating a second polymer layer on the dried first polymer layer, and drying at a certain temperature to form a film;
(3) and coating a third polymer layer on the dried second polymer layer, and drying at a certain temperature to form a film to form the copper-clad steel wire with the composite protective layer.
Further, the certain temperature is 100-200 ℃.
The copper-clad steel wire with the composite protective layer has better current impact resistance, and the current impact resistance test of the copper-clad steel wire with the composite protective layer shows that the current impact resistance range of the copper-clad steel wire is 72.23-74.16 kA and exceeds the requirement of qualified impact in the international standard.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (7)
1. A copper-clad steel wire with a composite protective layer comprises a copper-clad steel wire and the composite protective layer for cladding the copper-clad steel wire, and is characterized in that the composite protective layer comprises a first polymer layer for cladding the copper-clad steel wire, a second polymer layer for cladding the first polymer layer and a third polymer layer for cladding the second polymer layer, wherein the thickness of the first polymer layer is 0.5-1 mm, the thickness of the second polymer layer is 0.1-0.5 mm, the thickness of the third polymer layer is 0.1-0.5 mm, the first polymer layer and the second polymer layer are polymer coatings modified by adopting nano composite particles, the particle size of the nano composite particles is 20-50 nm, and the third polymer layer is a waterproof layer.
2. The electromagnetic shielding composition of the copper-clad steel wire as recited in claim 1, wherein the nano composite particles are a mixture of nano titanium dioxide and nano silicon dioxide, and the weight ratio of the nano titanium dioxide to the nano silicon dioxide is 1: 1-2.
3. The electromagnetic shielding composite of the copper-clad steel wire as recited in claim 1, wherein the first polymer layer is a modified polyester imide resin layer, and the second polymer layer is a modified polyamide imide coating.
4. The electromagnetic shielding composite of the copper-clad steel wire as claimed in claim 1, further comprising an adhesion promoter layer disposed between the copper-clad steel wire and the first polymer layer, and/or an adhesion promoter layer disposed between the first polymer layer and the second polymer layer, and/or an adhesion promoter layer disposed between the second polymer layer and the third polymer layer.
5. The anti-electromagnetic compounding of the copper clad steel wire as claimed in claim 4, wherein the thickness of the adhesion promoter layer is 0.01-0.1 mm.
6. A preparation method of a copper clad steel wire with a composite protective layer is characterized by comprising the following steps:
(1) coating a first polymer layer on the surface of the copper-clad steel wire, and drying at a certain temperature to form a film;
(2) coating a second polymer layer on the dried first polymer layer, and drying at a certain temperature to form a film;
(3) and coating a third polymer layer on the dried second polymer layer, and drying at a certain temperature to form a film to form the copper-clad steel wire with the composite protective layer.
7. The method for preparing a copper clad steel wire with a composite protective layer according to claim 6, wherein the certain temperature is 100-200 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255364.7A CN111768887A (en) | 2019-04-01 | 2019-04-01 | Copper-clad steel wire with composite protective layer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910255364.7A CN111768887A (en) | 2019-04-01 | 2019-04-01 | Copper-clad steel wire with composite protective layer and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111768887A true CN111768887A (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910255364.7A Pending CN111768887A (en) | 2019-04-01 | 2019-04-01 | Copper-clad steel wire with composite protective layer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111768887A (en) |
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2019
- 2019-04-01 CN CN201910255364.7A patent/CN111768887A/en active Pending
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Application publication date: 20201013 |