CN1614719A - Multi-layer dielectric wire - Google Patents
Multi-layer dielectric wire Download PDFInfo
- Publication number
- CN1614719A CN1614719A CNA2004100383058A CN200410038305A CN1614719A CN 1614719 A CN1614719 A CN 1614719A CN A2004100383058 A CNA2004100383058 A CN A2004100383058A CN 200410038305 A CN200410038305 A CN 200410038305A CN 1614719 A CN1614719 A CN 1614719A
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- China
- Prior art keywords
- protective layer
- insulated electrical
- resin
- electrical wire
- insulating protective
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/12—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
Provided is a multilayer insulated wire, which has excellent heat resistance and insulation property due to reduced heat generation per unit area, and is formed to have a relatively small thickness to be useful for internal circuits of compact electronic products.
Description
Technical field
Thereby thereby the present invention relates to the multi-layer insulated electrical wire that the little heating that is applicable to the internal wiring unit are of heat-resisting, small size electronic product of a kind of thickness reduces, this electric wire has the alloy resin (alloy resin) of good heat-resisting, wear-resisting and electrical insulation characteristics by extruding-coating on a conductor (extrusion-coating) one and makes.
Background technology
In recent years, the volume of microelectronic product and high frequency electrical/electronic equipment is more and more littler, weight is more and more lighter, the domestic electronic device that uses in the daily life such as the volume of computer, mobile phone, display, printer and video camera are more and more littler, and function is more and more.
Along with the development of small size electronic product in recent years, require to use few in the insulated electric conductor thickness heating little, unit are of electronic product internal wiring.Promptly require these insulated electric conductors to have good heat-resisting and insulation characterisitic.
Summary of the invention
Therefore, made the present invention in view of the above problems, one object of the present invention is to provide the multi-layer insulated electrical wire of the desired good heat-resisting and insulation characterisitic of a kind of internal wiring with small size electronic product.The thickness of this multi-layer insulated electrical wire is little, the heating of unit are is few.
For realizing above-mentioned purpose of the present invention; a kind of multi-layer insulated electrical wire is provided; comprise a conductor; cover first insulating protective layer of this conductor; cover second insulating protective layer of first insulating protective layer; with the outermost protective layer that covers second insulating protective layer; wherein; this conductor is made by copper and alloy; first and second insulating protective layers are made by polyethylene terephthalate/polybutylene terephthalate (polyethyleneterephthalate/polybutyleneterephthalate) alloy resin, and the outermost protective layer is by being selected from polyamide; ethylene-tetrafluoroethylene polymer (polyethylenetetrafluoroethylenes); make with a kind of resin in the polyamide-imides.
Description of drawings
From finding out above and other objects of the present invention, feature and other advantage, in the accompanying drawing below in conjunction with knowing the detailed description of accompanying drawing:
Fig. 1 one illustrates the integrally-built stereogram of the present invention's one multi-layer insulated electrical wire; And
Fig. 2 is the cross-sectional view of multi-layer insulated electrical wire shown in Figure 1.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 and 2 illustrates the overall structure of the present invention's one multi-layer insulated electrical wire.Label 50 expressions multi-layer insulated electrical wire of the present invention.
Multi-layer insulated electrical wire 50 is made of conductor 10, first insulating protective layer 20, second insulating protective layer 30 and outermost protective layer 40.
First and second insulating protective layers 20 and 30 form with polyethylene terephthalate/polybutylene terephthalate alloy resin extruding-coated conductor 10 in succession.
This alloy resin is that polybutylene terephthalate and the polyethylene terephthalate of 1%-40% mixes by percentage by weight.
This alloy resin can be that the polybutylene terephthalate of 1%-40% and polyethylene terephthalate are prepared into alloy and form by percentage by weight also.
For improving thermal endurance and machinability, this alloy resin can comprise further that percentage by weight is the heat-proof modifier of 0.01%-20% and the extrusion modification agent that percentage by weight is 0.01%-5%.
Outermost protective layer 40 is by forming with a kind of resin extruded-coating second protective layer 30 that is selected from polyamide, ethylene-tetrafluoroethylene polymer (polyethylenetetrafluoroethylenes) and the polyamide-imides.
This polyamide can comprise that for being selected from a kind of resin in nylon 6, nylon 6,6 and the nylon 6,10 percentage by weight is the heat-proof modifier of 0.01%-20% and the extrusion modification agent that percentage by weight is 0.01%-5%.
Can be the mixture of organic filler and inorganic filler as this heat-proof modifier.The example of organic filler comprises
Or
The example of inorganic filler comprises silicon dioxide, titanium oxide, aluminium oxide and molybdenum oxide.As inorganic filler, preferably use form than (aspect ratio) spheric granules as 1.0-1.2.
Add the extrusion modification agent in order that give Resin Flow and lubrification, it is the compound (compounds) of base that the extrusion modification agent is selected from usually with alkene (olefin-), aramide and ester (ester).
Describe multi-layer insulated electrical wire of the present invention in detail below in conjunction with following example.
The performance of the multi-layer insulated electrical wire of in following example, making of breakdown voltage, braze ability and heat conduction and anti-flammability test evaluation.
Table 1
| Parts | Example | Reference examples | |||||||
| Layer | Insulating compound | ????1 | ????2 | ????3 | ????4 | ????5 | ????1 | ????2 | |
| First insulating protective layer | Polymer resin | Polyethylene terephthalate/polybutylene terephthalate alloy | ????○ | ????○ | ????○ | ????○ | ????- | ????- | ????- |
| Polyethylene terephthalate | ????- | ????- | ????- | ????- | ????○ | ????○ | ????○ | ||
| The thickness of first insulating protective layer (μ m) | ????33 | ????33 | ????33 | ????33 | ????33 | ????33 | ????33 | ||
| Second insulating protective layer | Polymer resin | Polyethylene terephthalate/polybutylene terephthalate alloy | ????○ | ????○ | ????○ | ????- | ????○ | ????- | ????- |
| Polyethylene terephthalate | ????- | ????- | ????- | ????○ | ????- | ????○ | ????○ | ||
| The thickness of second insulating protective layer (μ m) | ????33 | ????33 | ????33 | ????33 | ????33 | ????33 | ????33 | ||
| The outermost protective layer | Polymer resin | Nylon 6,6 | ????○ | ????- | ????- | ????○ | ????○ | ????○ | |
| Polyamide-imides (Polyamideimide) | ????○ | ????- | ????○ | ||||||
| Ethylene-tetrafluoroethylene polymer (Ethylenetetra fluoroethylene) | ????- | ????- | ????○ | ????- | ????- | ????- | ????- | ||
| The thickness of outermost protective layer (μ m) | ????33 | ????33 | ????33 | ????33 | ????33 | ????33 | ????33 | ||
| Anti-flammability | ????V-2 | ????V-2 | ????V-2 | ????V-2 | ????V-2 | ????V-2 | ????V-2 | ||
| Braze ability | ????○ | ????○ | ????× | ????○ | ????○ | ????○ | ????× | ||
| Breakdown voltage (KV) | ????15.2 | ????15.7 | ????14.5 | ????14.7 | ????13.5 | ????14.9 | ????14.7 | ||
| Thermal endurance (B level, 130 ℃ of rated temperatures) | Qualified | Qualified | Qualified | Qualified | Qualified | Defective | Defective | ||
| Thermal endurance (F level, 155 ℃ of rated temperatures) | Qualified | Qualified | Qualified | Qualified | Qualified | Defective | Defective | ||
During each parts of each multi-layer insulated electrical wire of listing in extruding-coating table 1, the adjustment of used cylinder is to 200-300 ℃, and the rotational speed regulation of used screw mandrel is to 20-30rpm, and linear velocity is adjusted to 100-300rpm, thereby does not produce any off-centre.
With twisting to the thermometrically breakdown voltage.Exactly, when measuring breakdown voltage, three test blocks of the about 50cm of twofold from same bobbin acquisition, suitably on about 12cm each point, twisting through folding test block with suitable distortion number under the tensile strength, remove this tensile strength, cut each folded part, apply non-direct voltage (indirect voltage) then near the 60HZ sine wave.When breakdown voltage is lower than the ceiling voltage 14kV that is used for transformer, can conclude to can't pass this test.
Use the flame retardant test device to measure anti-flammability with UL 94HB method of testing.Anti-flammability is divided staged V-0, V-1, V-2 etc.When a test block is level V2 or when higher, can conclude this test failure of this test block.
Estimate braze ability according to KS C 3006 (16) standard methods.Exactly, when estimating braze ability, obtain 34 test blocks of about 15cm from same bobbin, this end at about 40mm of the following test block of predetermined temperature is immersed in the scheduled time among the 50Sn that stipulates in KSD 6704 standard methods, take out test block, with leftover of bolt of cloth wiping test block, whether the soldering of observing the submergence part outside the about 10mm of this end then is even.
Example 1-5 and reference examples 1 and 2
Make each multi-layer insulated electrical wire according to following order.
First insulating protective layer 20 is by forming with the conductor 10 that polyethylene terephthalate/extruding-coating of polybutylene terephthalate alloy resin is made by copper or alloy.Second insulating protective layer 30 forms by using with the first insulating protective layer identical materials extruding-coating, first insulating protective layer.
Then, form outermost protective layer 40 on second insulating protective layer 30 with being selected from a kind of resin extruded in polyamide, polyamide-imides and the ethylene-tetrafluoroethylene polymer (polyethylenetetrafluoroethylenes)-be coated in.
As a result, the multi-layer insulated electrical wire of so making satisfies B level heat-resistant standard.In contrast, the multi-layer insulated electrical wire of the 1st and the 2nd reference examples that forms with polyethylene terephthalate resin extruding-coating first and second insulating protective layers of light does not reach B level heat-resistant standard.
Can obviously find out from the above description; the invention provides a kind of multi-layer insulated electrical wire; when making this electric wire; on this conductor, form first and second insulating protective layers with polybutylene terephthalate/polyethylene terephthalate (polybutyleneterephthalate/polyethyleneterephthalate) alloy resin extruding-coating one conductor, form the outermost protective layer with a kind of resin extruded-coating second insulating protective layer that is selected from polyamide, polyamide-imides and the ethylene-tetrafluoroethylene polymer then., therefore can be used for small-size equipment such as transformer, household electrical appliance, aircraft, radio telephone, computer or the like because thereby the thickness of multi-layer insulated electrical wire of the present invention can be applicable to internal wiring heat-resisting and the small size electronic product very for a short time.
Although the present invention is illustrated with reference to accompanying drawing and preferred embodiment, obviously, for a person skilled in the art, under the prerequisite that does not deviate from the spirit and scope of the present invention, can make various changes and variation to the present invention.Therefore, various change of the present invention, the content that changes by appending claims and equivalent thereof contain.
Claims (6)
1. multi-layer insulated electrical wire comprises:
Conductor (10);
Cover first insulating protective layer (20) of described conductor (10);
Cover second insulating protective layer (30) of described first insulating protective layer (20); And
Cover the outermost protective layer (40) of described second insulating protective layer (30),
Wherein, described conductor (10) is made by copper and alloy; described first and second insulating protective layers (20) and (30) are made by polyethylene terephthalate/polybutylene terephthalate alloy resin, and described outermost protective layer is made by a kind of resin that is selected from polyamide, polyamide-imides and the ethylene-tetrafluoroethylene polymer.
2. multi-layer insulated electrical wire according to claim 1, wherein, described polyethylene terephthalate/polybutylene terephthalate alloy resin is that polybutylene terephthalate and the polyethylene terephthalate of 1%-40% mixes by percentage by weight.
3. multi-layer insulated electrical wire according to claim 1, wherein, described polyethylene terephthalate/polybutylene terephthalate alloy resin is that the polybutylene terephthalate of 1%-40% and polyethylene terephthalate are prepared into alloy and form by percentage by weight.
4. multi-layer insulated electrical wire according to claim 1, wherein, described polyethylene terephthalate/polybutylene terephthalate alloy resin comprises that further percentage by weight is the heat-proof modifier of 0.01%-20% and the extrusion modification agent that percentage by weight is 0.01%-5%.
5. multi-layer insulated electrical wire according to claim 1, wherein, described polyamide is nylon 6, nylon 6,6 and nylon 6, a kind of resin in 10, and comprise that percentage by weight is the heat-proof modifier of 0.01%-20% and the extrusion modification agent that percentage by weight is 0.01%-5%.
6. according to claim 4 or 5 described multi-layer insulated electrical wires, wherein, described heat-proof modifier is made up of the mixture of organic filler and inorganic filler, and described inorganic filler is a kind of resin of being made up of than the spheric granules that is 1.0-1.2 form.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030078567A KR100439695B1 (en) | 2003-11-07 | 2003-11-07 | The several layer insulated wire |
| KR10-2003-0078567 | 2003-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1614719A true CN1614719A (en) | 2005-05-11 |
Family
ID=34793081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004100383058A Pending CN1614719A (en) | 2003-11-07 | 2004-05-14 | Multi-layer dielectric wire |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100439695B1 (en) |
| CN (1) | CN1614719A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682909A (en) * | 2012-05-08 | 2012-09-19 | 江苏珠影特种电缆有限公司 | Power cable capable of resisting high/low temperature |
| CN105161170A (en) * | 2015-09-28 | 2015-12-16 | 侯马经济开发区鑫鑫线缆有限公司 | High temperature resistance diving motor winding wire and preparation technology |
| CN106133271A (en) * | 2014-04-04 | 2016-11-16 | 国际壳牌研究有限公司 | Use the final insulated electric conductor reducing step formation after the heat treatment |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100617706B1 (en) * | 2004-10-21 | 2006-08-28 | 주식회사 삼양사 | Polybutylene Terephthalate Resin Composition and Multi-layer Insulating Electric Wire Comprising the Same |
| KR100648841B1 (en) * | 2005-11-02 | 2006-11-24 | 영창실리콘 주식회사 | Multi insulation litzwire and the manufacture method |
| KR101004614B1 (en) * | 2007-01-23 | 2010-12-28 | (주)엘지하우시스 | PETG based decorative sheet having forming ability similar with PVC |
| CN109880316B (en) * | 2019-02-28 | 2021-11-30 | 苏州金弘峰电子有限公司 | Production process of thin-wall insulated wire |
-
2003
- 2003-11-07 KR KR1020030078567A patent/KR100439695B1/en active IP Right Grant
-
2004
- 2004-05-14 CN CNA2004100383058A patent/CN1614719A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102682909A (en) * | 2012-05-08 | 2012-09-19 | 江苏珠影特种电缆有限公司 | Power cable capable of resisting high/low temperature |
| CN106133271A (en) * | 2014-04-04 | 2016-11-16 | 国际壳牌研究有限公司 | Use the final insulated electric conductor reducing step formation after the heat treatment |
| CN105161170A (en) * | 2015-09-28 | 2015-12-16 | 侯马经济开发区鑫鑫线缆有限公司 | High temperature resistance diving motor winding wire and preparation technology |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100439695B1 (en) | 2004-07-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |