CN103426568A - Method for manufacturing temperature-resistance and wear-resisting three-layer insulated wire - Google Patents
Method for manufacturing temperature-resistance and wear-resisting three-layer insulated wire Download PDFInfo
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- CN103426568A CN103426568A CN2012101597877A CN201210159787A CN103426568A CN 103426568 A CN103426568 A CN 103426568A CN 2012101597877 A CN2012101597877 A CN 2012101597877A CN 201210159787 A CN201210159787 A CN 201210159787A CN 103426568 A CN103426568 A CN 103426568A
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Abstract
The invention relates to a method for manufacturing a temperature-resistance and wear-resisting three-layer insulated wire. The method comprises the steps that a copper conductor is combined to form an inner core of the insulated wire, a single-screw plastic extruding machine is utilized for enabling two modified polyester insulating layers to sequentially wrap the outer face of the copper conductor in an extruding mode, and finally the single-screw plastic extruding machine is utilized for enabling polyamide resin layers to wrap the outer faces of the two modified polyester insulating layers in an extruding mode. Compared with the prior art, the method has the advantages that temperature resistance, wear resistance and machinability of polyester resin are modified, the heat-resistance temperature of the obtained modified polyester insulation winding wire product can reach 140 DEG C, the wear-resisting performance is improved, the static friction coefficient is 0.126, the temperature-resistance and wear-resisting three-layer insulated wire can replace an existing B-level (the heat-resistance level is 130 DEG C) three-layer insulated wire to be applied to a transformer and a high-frequency winding coil, the heat-resistance performance and the wear-resisting performance of the insulated wire are excellent, the safety of the transformer is improved, and the service life of the transformer is prolonged.
Description
Technical field
The present invention relates to a kind of manufacture method of insulated wire, especially relate to a kind of manufacture method of heat-resistant, wear-resistant three layer insulation wire.
Background technology
At present, be used in the three layer insulation wire on transformer, by copper conductor, two layers polyester insulating barrier and outer polyamide insulating barrier, formed, this class three layer insulation wire thermal endurance class is E level (120 ℃) and B level (130 ℃), development trend along with electronics, telecommunication, power-supply device, the heat resisting temperature of E level (120 ℃), B level (130 ℃) can not meet the requirement of safety, reliable, stability, and market is also higher in the urgent need to heat resisting temperature, wear-resistant better three layer insulation wire.
Good physics, the chemical characteristics such as talcum powder has that lubrification, fire resistance, acid-resisting, insulating properties, high, the chemical property of fusing point torpescence, covering power are good, softness, good luster, absorption affinity are strong.The method selects the talcum powder of appropriate particle size to add in the modified poly ester plastics as heat-resistant filler, can not only significantly improve the heat-resisting of modified poly ester plastics, anti-wear performance, and the while also can be improved the flexible resistance of extruding processability and thin-gage goods of modified poly ester.
Summary of the invention
Purpose of the present invention is exactly to provide a kind of heat resisting temperature higher in order to overcome the defect that above-mentioned prior art exists, wear-resistant better and be applicable to the manufacture method of heat-resistant, wear-resistant three layer insulation wire of the transformer of environment-friendly type, prepared three layer insulation wire meets the ROHS of European Union and halogen-free environmental requirement.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of manufacture method of heat-resistant, wear-resistant three layer insulation wire, comprise the following steps: the inner core that copper conductor is combined into to insulated wire, then utilize single multiple screw extruder two-layer modified poly ester insulating barrier to be extruded in successively to the outside of copper conductor, finally utilize single multiple screw extruder that the polyamide layer is extruded in the outside of two-layer modified poly ester insulating barrier and gets final product.
Described modified poly ester insulating barrier consists of the mylar that is added with superfine talcum powder or nanometer soil and surface modifier.
1～10wt% that the addition of described superfine talcum powder or nanometer soil is mylar.
1～3wt% that the addition of described surface modifier is mylar.
Described surface modifier comprises the terpolymer of glycidyl methacrylate or its ethylene-acrylate, and one or more in Polyolefin Grafted Maleic Anhydride share simultaneously.
Described polyester comprises polyethylene terephthalate, polybutylene terephthalate, PEN, one or more blends in polyarylate.
Compared with prior art, the present invention has not only solved the heat-resistant, wear-resistant of thin-walled modified poly ester insulating barrier, and can take into account dielectric strength and with the opposed pliability of heat-resistant, wear-resistant and impact resistance, the winding wire product heat resisting temperature obtained can arrive more than 140 ℃, can replace existing B level (130 ℃ of thermal endurance classs) three layer insulation wire to be applied to transformer and high frequency winding coil, make its heat resisting temperature arrive 140 ℃, and anti-wear performance is better, confficient of static friction reaches 0.126, can meet the ROHS of European Union and Halogen-free requirement simultaneously, security performance and useful life all are improved.
The accompanying drawing explanation
The structural representation that Fig. 1 is the heat-resistant, wear-resistant three layer insulation wire.
In figure, 1 is that inner core, 2 is that modified poly ester insulating barrier, 3 is the polyamide layer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of heat-resistant, wear-resistant three layer insulation wire, its structure as shown in Figure 1, comprises the inner core 1 that copper conductor forms, two-layer modified poly ester insulating barrier 2, one deck polyamide layer 3.
The manufacture method of heat-resistant, wear-resistant three layer insulation wire comprises the following steps: the inner core 1 that copper conductor is combined into to insulated wire, then utilize single multiple screw extruder two-layer modified poly ester insulating barrier 2 to be extruded in successively to the outside of copper conductor, finally utilize single multiple screw extruder that polyamide layer 3 is extruded in the outside of two-layer modified poly ester insulating barrier 2 and gets final product.
Wherein, the modified poly ester insulating barrier consists of the mylar that is added with superfine talcum powder and surface modifier, the 1wt% that the addition of superfine talcum powder is mylar, and the surface modifier of use is that addition is mylar.
Good physics, the chemical characteristics such as the method adopts the inorganic filler superfine talcum powder or nanometer soil adds simultaneously or add separately (addition accounts for resin gross mass 1～10%) and be added into suitable surface modifier heat resisting temperature and the anti-wear performance that the modified poly ester plastics improve whole material, and talcum powder has that lubrification, fire resistance, acid-resisting, insulating properties, high, the chemical property of fusing point torpescence, covering power are good, softness, good luster, absorption affinity are strong.Nanometer soil has fire resistance, insulating properties, chemistry torpescence, strong covering power, the advantage such as compatibility is good.Select suitable particle diameter and consumption, with different addition manners, can not only significantly improve heat resistance and the processability of modified poly ester plastics, also can guarantee the dielectric strength of three layer insulation wire, pliability and impact resistance, can also meet the ROHS of European Union and Halogen-free requirement simultaneously.Extrude two-layer modified poly ester insulating barrier 2 and polyamide insulating barrier 3 is extruded in copper conductor 1 outside by three plastic extruding machines of 30 type.
The performance of the winding wire for transformer that the inventive method obtains is as follows:
1. production specification scope: Φ 0.20～1.00mm;
2. 140 ℃ of heat resisting temperatures (being greater than 130 ℃ of B levels);
3. voltage-resistent characteristic is good, and puncture voltage is greater than 15kV, obtains the evaluation of basis insulation (test voltage 1500Vrms, 1min);
4. need not just can directly weld by peeling outer layer 420 ℃≤4S of solderability;
5. good resistance to wear and surface smoothness, confficient of static friction≤0.133;
6. chemically-resistant solvent and impregnating varnish performance are good.
7. by ROHS, test, the Halothane content of iodine does not all detect.
Heat-resistant, wear-resistant three-layer insulated winding wires and common GPX-B three layer insulation wire Performance Ratio for transformer are more as shown in table 1.
Table 1
A kind of manufacture method of heat-resistant, wear-resistant three layer insulation wire, comprise the following steps: the inner core that copper conductor is combined into to insulated wire, then utilize single multiple screw extruder two-layer modified poly ester insulating barrier to be extruded in successively to the outside of copper conductor, the outside that finally utilizes single multiple screw extruder that the polyamide layer is extruded to sub two-layer modified poly ester insulating barrier gets final product.
Wherein, the modified poly ester insulating barrier consists of the mylar that is added with superfine talcum powder or nanometer soil and surface modifier, the 1wt% that the addition of superfine talcum powder or nanometer soil is mylar, the 1wt% that the addition of surface modifier is mylar.The surface modifier used is glycidyl methacrylate, and polyester is polyethylene terephthalate.
A kind of manufacture method of heat-resistant, wear-resistant three layer insulation wire, comprise the following steps: the inner core that copper conductor is combined into to insulated wire, then utilize single multiple screw extruder two-layer modified poly ester insulating barrier to be extruded in successively to the outside of copper conductor, finally utilize single multiple screw extruder that the polyamide layer is extruded in the outside of two-layer modified poly ester insulating barrier and gets final product.
Wherein, the modified poly ester insulating barrier consists of the mylar that is added with superfine talcum powder or nanometer soil and surface modifier.The 5wt% that the addition of superfine talcum powder or nanometer soil is mylar, the 2wt% that the addition of surface modifier is mylar, the terpolymer that the surface modifier used is glycidyl methacrylate and glycidyl methacrylate and ethylene-acrylate, the blend that the polyester bag is polybutylene terephthalate and PEN.
Embodiment 4
A kind of manufacture method of heat-resistant, wear-resistant three layer insulation wire, comprise the following steps: the inner core that copper conductor is combined into to insulated wire, then utilize single multiple screw extruder two-layer modified poly ester insulating barrier to be extruded in successively to the outside of copper conductor, finally utilize single multiple screw extruder that the polyamide layer is extruded in the outside of two-layer modified poly ester insulating barrier and gets final product.
The modified poly ester insulating barrier consists of the mylar that is added with superfine talcum powder or nanometer soil and surface modifier.The 10wt% that the addition of superfine talcum powder or nanometer soil is mylar, the 3wt% that the addition of surface modifier is mylar.The surface modifier used is Polyolefin Grafted Maleic Anhydride, and described polyester is the PEN resin.
Claims (6)
1. the manufacture method of a heat-resistant, wear-resistant three layer insulation wire, it is characterized in that, the method comprises the following steps: the inner core that copper conductor is combined into to insulated wire, then utilize single multiple screw extruder two-layer modified poly ester insulating barrier to be extruded in successively to the outside of copper conductor, finally utilize single multiple screw extruder that the polyamide layer is extruded in the outside of two-layer modified poly ester insulating barrier and gets final product.
2. the manufacture method of a kind of heat-resistant, wear-resistant three layer insulation wire according to claim 1, is characterized in that, described modified poly ester insulating barrier consists of the mylar that is added with superfine talcum powder or nanometer soil and surface modifier.
3. the manufacture method of a kind of heat-resistant, wear-resistant three layer insulation wire according to claim 2, is characterized in that, 1～10wt% that the addition of described superfine talcum powder or nanometer soil is mylar.
4. the manufacture method of a kind of heat-resistant, wear-resistant three layer insulation wire according to claim 2, it is characterized in that, described surface modifier comprises glycidyl methacrylate or itself and the terpolymer of ethylene-acrylate, one or more in Polyolefin Grafted Maleic Anhydride.
5. the manufacture method of a kind of heat-resistant, wear-resistant three layer insulation wire according to claim 2, is characterized in that, 1～3wt% that the addition of described surface modifier is mylar.
6. the manufacture method of a kind of heat-resistant, wear-resistant three layer insulation wire according to claim 2, it is characterized in that, described polyester comprises one or more in polyethylene terephthalate, polybutylene terephthalate, PEN or polyarylate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101597877A CN103426568A (en) | 2012-05-21 | 2012-05-21 | Method for manufacturing temperature-resistance and wear-resisting three-layer insulated wire |
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| CN2012101597877A CN103426568A (en) | 2012-05-21 | 2012-05-21 | Method for manufacturing temperature-resistance and wear-resisting three-layer insulated wire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479303A (en) * | 2014-12-03 | 2015-04-01 | 深圳市凯中和东新材料有限公司 | Folding-resistant insulating material and triple insulation wire using same |
| CN111508668A (en) * | 2020-05-21 | 2020-08-07 | 安顺市乾辰谷材科技有限公司 | Preparation method of PET (polyethylene terephthalate) high-polymer nano-coated insulated wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008120982A1 (en) * | 2007-03-30 | 2008-10-09 | Dsm Ip Assets B.V. | Radiation curable resin compositions for electric wire coatings |
| CN101490769A (en) * | 2006-07-18 | 2009-07-22 | 株式会社自动网络技术研究所 | Insulated electric wire and wire harness |
| CN101728025A (en) * | 2008-10-22 | 2010-06-09 | 上海川叶电子科技有限公司 | Manufacturing method of multi-color three-layer insulated winding wires for transformer |
| CN102024509A (en) * | 2009-09-16 | 2011-04-20 | 上海川叶电子科技有限公司 | Heat and abrasion resisting three-layer insulation wire |
| CN102024510A (en) * | 2009-09-16 | 2011-04-20 | 上海川叶电子科技有限公司 | Flame-retardant three-layer insulated wire |
-
2012
- 2012-05-21 CN CN2012101597877A patent/CN103426568A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101490769A (en) * | 2006-07-18 | 2009-07-22 | 株式会社自动网络技术研究所 | Insulated electric wire and wire harness |
| WO2008120982A1 (en) * | 2007-03-30 | 2008-10-09 | Dsm Ip Assets B.V. | Radiation curable resin compositions for electric wire coatings |
| CN101728025A (en) * | 2008-10-22 | 2010-06-09 | 上海川叶电子科技有限公司 | Manufacturing method of multi-color three-layer insulated winding wires for transformer |
| CN102024509A (en) * | 2009-09-16 | 2011-04-20 | 上海川叶电子科技有限公司 | Heat and abrasion resisting three-layer insulation wire |
| CN102024510A (en) * | 2009-09-16 | 2011-04-20 | 上海川叶电子科技有限公司 | Flame-retardant three-layer insulated wire |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479303A (en) * | 2014-12-03 | 2015-04-01 | 深圳市凯中和东新材料有限公司 | Folding-resistant insulating material and triple insulation wire using same |
| CN111508668A (en) * | 2020-05-21 | 2020-08-07 | 安顺市乾辰谷材科技有限公司 | Preparation method of PET (polyethylene terephthalate) high-polymer nano-coated insulated wire |
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Application publication date: 20131204 |