KR100439695B1 - The several layer insulated wire - Google Patents

The several layer insulated wire Download PDF

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Publication number
KR100439695B1
KR100439695B1 KR1020030078567A KR20030078567A KR100439695B1 KR 100439695 B1 KR100439695 B1 KR 100439695B1 KR 1020030078567 A KR1020030078567 A KR 1020030078567A KR 20030078567 A KR20030078567 A KR 20030078567A KR 100439695 B1 KR100439695 B1 KR 100439695B1
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South Korea
Prior art keywords
coating layer
resin
insulated wire
polybutylene terephthalate
polyamide
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KR1020030078567A
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Korean (ko)
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정지웅
박은수
이상복
윤성진
최원혁
김광태
박일준
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영창실리콘 주식회사
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Priority to KR1020030078567A priority Critical patent/KR100439695B1/en
Priority to CNA2004100383058A priority patent/CN1614719A/en
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Publication of KR100439695B1 publication Critical patent/KR100439695B1/en

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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
    • 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

Abstract

PURPOSE: 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. CONSTITUTION: The multilayer insulated wire comprises: a conductive body(10) formed of copper or alloy wire; a first insulation coating layer(20) and a second insulation coating layer(30) formed on the conductive body(10) through the extrusion of polyethylene terephthalate(PET) and PET alloy resin; and an outer coating layer(40) formed on the second insulation coating layer(30) through the extrusion of any one selected from the group consisting of polyamide, polyamide-imide and polyethylene terafluoroethylene.

Description

다층절연전선{The several layer insulated wire}The several layer insulated wire

본 발명은 도체 상에 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지로 2층 이상 압출 절연하여 제1절연피복층과 제2절연피복층을 형성하고, 제2절연피복층 상으로 폴리아미드, 폴리아미드-이미드나 에틸렌테트라플로로에틸렌 수지로 최종 압출 절연시켜 외부피복층을 형성하여, 내열특성이 향상되고 소형화된 전자제품 내부 배선에 사용되도록 전선을 얇게 형성할 수 있어 단위면적당 발생되는 발열량이 줄여 높은 내열성 및 절연 특성을 갖으며, 내열성, 내마모성, 전기 절연성이 우수한 알로이 수지를 압출한 다층절연전선에 관한 것이다.The present invention is formed by extrusion-insulating two or more layers of polyethylene terephthalate and polybutylene terephthalate alloy resin on a conductor to form a first insulating coating layer and a second insulating coating layer, and a polyamide, polyamide-imide on the second insulating coating layer. Final extrusion insulation with ethylene tetrafluoroethylene resin to form an outer coating layer, which improves heat resistance and can form a thin wire to be used for internal wiring of miniaturized electronics, thereby reducing the amount of heat generated per unit area. The present invention relates to a multilayer insulated wire extruded of an alloy resin having characteristics and excellent in heat resistance, abrasion resistance, and electrical insulation.

최근에 초전자 제품 및 고주파를 사용하는 전기전자 장비가 소형 · 경량화 되고 일상생활에서 흔히 사용되고 있는 컴퓨터, 핸드폰, 모니터, 프린터 및 동영상 카메라와 같은 가전제품들은 더 빨리 소형화, 고성능화 되는 추세이다. 이들 전자제품의 소형화에 따라 내부배선에 사용되고 있는 절연전선 또한 얇아지고, 단위면적당 발생되는 발열량이 증가하기 때문에 높은 내열성 및 절연성을 요구하게 되었다.Recently, electric and electronic equipment using high-frequency electronics and high frequency are becoming smaller and lighter, and home appliances such as computers, mobile phones, monitors, printers, and video cameras, which are commonly used in daily life, are becoming smaller and higher in performance. As the size of these electronic products becomes smaller, insulated wires used for internal wiring also become thinner, and heat generation generated per unit area increases, requiring high heat resistance and insulation.

본 발명의 상기와 같은 여러 가지 문제점을 고려하여 이루어진 것으로, 그 목적은 전자제품의 소형화에 따라 내부배선에 사용되고 있는 절연전선 또한 얇아지고, 단위면적당 발생되는 발열량이 증가하기 때문에 높은 내열성 및 절연 특성을 갖는 다층절연전선을 제공함에 있다.The present invention has been made in consideration of the various problems as described above. The purpose of the present invention is to increase the heat resistance generated per unit area due to the miniaturization of electronic products, and to increase the heat resistance generated per unit area. It is to provide a multi-layered insulated wire having.

상기 목적을 달성하기 위하여 본 발명은, 구리나 합금선과 같은 도체와, 상기 도체 상에 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지로 압출 절연하는 제1절연피복층 및 제2절연피복층과, 상기 제2절연피복층 상에 폴리아미드, 폴리에틸렌테트라플로로에틸렌, 폴리아미드-이미드 중 어느 하나를 선택하여 압출 절연되는 외부피복층으로 구성한다.In order to achieve the above object, the present invention provides a conductor, such as copper or alloy wire, a first insulating coating layer and a second insulating coating layer for extruding and insulated with polyethylene terephthalate and polybutylene terephthalate alloy resin on the conductor; 2 It consists of an outer coating layer in which one of polyamide, polyethylene tetrafluoroethylene, and polyamide-imide is selected and extruded and insulated on the insulating coating layer.

도 1은 본 발명의 다층절연 전선의 전체 구성을 나타낸 사시도.1 is a perspective view showing the overall configuration of a multi-layered insulated wire of the present invention.

도 2는 도 1의 단면도.2 is a cross-sectional view of FIG.

♣도면의 주요 부분에 대한 부호의 설명♣♣ Explanation of symbols for the main parts of the drawing

10: 도체 20: 제1절연피복층10: conductor 20: first insulating coating layer

30: 제2절연피복층 40: 외부피복층30: second insulating coating layer 40: outer coating layer

50: 다층절연전선50: multilayer insulated wire

이하에서 본 발명의 구성을 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.

첨부된 도면 도 1 내지 도 2는 본 발명의 전체 구성을 나타낸 도면으로서, 부호 50은 본 발명의 다층절열전선을 표시하고 있다.1 to 2 are views showing the overall configuration of the present invention, reference numeral 50 denotes a multi-layered insulation wire of the present invention.

상기 다층전열전선(50)은 도체(10)와 제1절연피복층(20) 및 제2절연피복층(30)과 외부피복층(40)으로 구성한다.The multi-layered electric wire 50 includes a conductor 10, a first insulating coating layer 20, a second insulating coating layer 30, and an outer coating layer 40.

상기 도체(10)는 구리나 금속 합금선으로 이루어진다.The conductor 10 is made of copper or a metal alloy wire.

상기 제1절연피복층(20) 및 제2절연피복층(30)은 도체(10) 상에 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지로 압출 절연하는 제1절연피복층(20)과 제2절연피복층(30)을 형성한다.The first insulating coating layer 20 and the second insulating coating layer 30 are first insulating coating layer 20 and the second insulating coating layer to be insulated with a polyethylene terephthalate and polybutylene terephthalate alloy resin on the conductor 10. 30 is formed.

상기 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지는폴리부틸렌테레프탈레이트가 1중량%~40중량%로 블렌드시킨 수지를 사용한다.As the polyethylene terephthalate and polybutylene terephthalate alloy resin, a resin in which polybutylene terephthalate is blended at 1% by weight to 40% by weight is used.

또한, 상기 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지는 폴리부틸렌테레프탈레이트가 1중량%~40중량%로 알로이시킨 수지를 사용한다.The polyethylene terephthalate and polybutylene terephthalate alloy resin may be a resin in which polybutylene terephthalate is alloyed at 1% by weight to 40% by weight.

또한 상기 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지는 내열성 및가공성을 향상하기 위해 폴리에틸렌테레프탈레이트/폴리부틸렌테레프탈레이트 알로이 수지에 내열향상제를 0.01중량%~20중량% 및 압출향상제를 0.01중량%~5중량%가 배합된 수지를 사용 할 수 있다.In addition, the polyethylene terephthalate and polybutylene terephthalate alloy resin is 0.01% by weight to 20% by weight of the heat improver and 0.01% by weight of the extrusion improver to the polyethylene terephthalate / polybutylene terephthalate alloy resin to improve heat resistance and processing Resin containing ~ 5% by weight can be used.

상기 외부피복층(40)은 제2피복층(30) 상에 폴리아미드, 폴리에틸렌테트라플로로에틸렌이나 폴리아미드-이미드 중 어느 하나를 선택하여 압출 절연한다.The outer coating layer 40 is extrusion-insulated by selecting any one of polyamide, polyethylene tetrafluoroethylene or polyamide-imide on the second coating layer 30.

이때, 상기 폴리아미드 수지는 나이론 6, 나이론 6,6 혹은 나이론 6,10 이중 한 가지 수지로 선택되며, 내열향상제를 0.01중량%~20중량% 및 압출향상제를 0.01중량%~5중량%가 배합된 수지를 사용하게 된다.At this time, the polyamide resin is selected from one of nylon 6, nylon 6,6 or nylon 6,10 of the resin, 0.01% to 20% by weight of the heat resistance improver and 0.01% to 5% by weight of the extrusion enhancer Used resin.

상기 내열향상제는혹은구조의 유기계와 실리카, 지당, 알루미나, 산화몰리브덴와 같은 무기계로 혼합 구성되며, 무기계인 경우 충진제의 가로/세로비(aspect ratio)가 1.0~1.2인 구상의 입자를 사용한다.The heat resistance improver or It is composed of a mixture of organic type and inorganic type such as silica, fat sugar, alumina and molybdenum oxide. In case of inorganic type, spherical particles having aspect ratio of 1.0-1.2 of filler are used.

압출향상제는 수지에 흐름성 및 윤활성을 주기 위해 첨가하며, 통상적인 올레핀계, 아라미드계, 에스텔계 등을 사용할 수 있다.The extrusion enhancer is added to give flowability and lubricity to the resin, and conventional olefin, aramid, and ester can be used.

상기와 같은 본 발명의 실시예에 근거하여 더욱 상세히 설명하면 다음과 같다.Based on the embodiment of the present invention as described above in more detail as follows.

하기 표 1에서 제조된 다층전열전선의 성능은 절연파괴전압, 납땜성, 열전도도 및 난연성실험에 의해 평가된다.The performance of the multi-layered electric wire prepared in Table 1 is evaluated by the dielectric breakdown voltage, solderability, thermal conductivity and flame retardancy test.

구 분division 실시예Example 비교예Comparative example 층구분Floor 각층 절연재료Each layer insulation material 1One 22 33 44 55 1One 22 제1절연피복층First insulation coating layer 고분자수지Polymer resin 폴리에틸렌테레프탈레이트/폴리부틸렌테레프탈레이트 알로이Polyethylene Terephthalate / Polybutylene Terephthalate Alloy 00 00 00 00 -- -- -- 폴리에틸렌테레프탈레이트Polyethylene terephthalate -- -- -- -- 00 00 00 제 1층 절연두께(㎛)1st layer insulation thickness (㎛) 3333 3333 3333 3333 3333 3333 3333 제2절연피복층Second insulation coating layer 고분자수지Polymer resin 폴리에틸렌테레프탈레이트/폴리부틸렌테레프탈레이트 알로이Polyethylene Terephthalate / Polybutylene Terephthalate Alloy 00 00 00 -- 00 -- -- 폴리에틸렌테레프탈레이트Polyethylene terephthalate -- -- -- 00 -- 00 00 제 2층 절연두께(㎛)Second layer insulation thickness (㎛) 3333 3333 3333 3333 3333 3333 3333 외부피복층Outer coating layer 고분자수지Polymer resin 나이론 6,6Nylon 6,6 00 -- -- 00 00 00 폴리아미드-이미드 수지Polyamide-imide resin 00 -- 00 에틸렌테트라플로로에틸렌Ethylene Tetrafluoroethylene -- -- 00 -- -- -- -- 외부피복 절연두께(㎛)Outer coating insulation thickness (㎛) 3333 3333 3333 3333 3333 3333 3333 난연성Flame retardant V-2V-2 V-2V-2 V-2V-2 V-2V-2 V-2V-2 V-2V-2 V-2V-2 납땜성Solderability 00 00 xx 00 00 00 xx 절연파괴전압(KV)Insulation Breakdown Voltage (KV) 15.215.2 15.715.7 14.514.5 14.714.7 13.513.5 14.914.9 14.714.7 내열등급(B종, 130℃급)Heat resistance grade (Class B, 130 ℃) 합격pass 합격pass 합격pass 합격pass 합격pass 불합격fail 불합격fail

상기 표 1에 기재된 성분의 압출피복 시, 실린더 온도는 200 내지 300℃, 스크류 회전수는 20 내지 30 rpm 그리고 선속은 100 내지 300 rpm으로 제어하여 편심이 발생하지 않도록 압출 피복하였다.In the extrusion coating of the components shown in Table 1, the cylinder temperature was 200 to 300 ℃, the screw rotation speed was 20 to 30 rpm and the line speed was controlled by 100 to 300 rpm was extruded coating so that eccentricity does not occur.

절연파괴전압은 두 줄 꼬임법으로 측정하였으며, 동일한 보빈으로부터 길이 약 50㎝의 시험편 3개를 취하고 각각을 두개로 접어서 합친 다음, 적당한 인장력을 가하면서 약 12㎝ 길이의 부분을 적당한 꼬임수로 꼰 후 인장력을 제거하고서 접은 부분을 자르고 60㎐의 정현파에 가까운 교류전압을 가하여 측정하였으며, 절연파괴전압이 변압기에 사용되는 가장 높은 실험치인 14kV 보다 낮으면 불합격 판정한다.The breakdown voltage was measured by two-wire twisting method. Take three specimens of about 50cm in length from the same bobbin, fold them together in two pieces, and twist the parts of about 12cm in length with appropriate twisting force while applying the appropriate tension. After removing the tensile force, the folded part was cut and measured by applying an alternating voltage close to the sine wave of 60㎐. If the insulation breakdown voltage was lower than 14kV, the highest experimental value used in the transformer, it failed.

난연성 실험은 난연 시험기를 이용하여 수평시험법(UL 94HB)의 시험 방법에 따라 측정하였으며 그 난연성에 따라 V-0, V-1, V-2로 구분하며, V-2이하이면 불합격 판정한다.The flame retardant test was measured according to the test method of the Horizontal Test Method (UL 94HB) using a flame retardant tester, and classified into V-0, V-1, and V-2 according to the flame retardancy.

납땜성은 KS C 3006의 16항과 같이 동일한 보빈으로부터 길이 약 15㎝의 시험편 34개를 cnl하고 각각에 대하여 규정된 온도로 유지된 KSD 6704에 규정한 50Sn 중에 시험편의 앞 끝부분 약 40mm를 규정된 시간동안 담근 후 꺼내어 즉시 적당한 헝겊으로 가볍게 닦아냈을 때 담긴 부분의 윗부분 약 10mm를 제외하고 납땜이 고르게 되었는지로 판단하였다.Solderability is specified by approximately 40 mm of the front end of the specimen in 50 Sn specified in KSD 6704, which cnl 34 specimens of approximately 15 cm in length from the same bobbin as specified in clause 16 of KS C 3006. After soaking for a while and immediately wiping off with a suitable cloth, it was judged whether the solder was evenly except about 10 mm at the top of the contained part.

실시예1~5, 비교예1~2Examples 1-5, Comparative Examples 1-2

구리나 합금선과 같은 도체(10) 상에 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지로 압출 절연하여 제1절연피복층을 형성한다. 그리고 제1절연피복층(20)과 동일한 재질로 제2절연피복층(30)을 압출 절연하게 된다.The first insulating coating layer is formed on the conductor 10 such as copper or alloy wire by extrusion insulation with polyethylene terephthalate and polybutylene terephthalate alloy resin. The second insulating coating layer 30 is extrusion-insulated using the same material as the first insulating coating layer 20.

그런 다음 상기 제2절연피복층(30) 상에 폴리아미드, 폴리아미드-이미드나 폴리에틸렌테트라플로로에틸렌 중 어느 하나를 선택하여 압출 절연하여 외부피복층(40)을 형성한다.Then, any one of polyamide, polyamide-imide, and polyethylene tetrafluoroethylene is selected and extruded on the second insulating coating layer 30 to form an outer coating layer 40.

상기와 같은 다층절연전선은 실시예와 같이 내열 등급 B종에 적합함을 알 수 있다. 반면 비교예 1, 2와 같이 폴리에틸렌테레프탈레이트 수지를 단독으로 1, 2층 압출하는 경우 내열 등급 B종에 만족하지 않음을 알 수 있다.It can be seen that the multilayer insulated wire as described above is suitable for the heat resistance class B as in the embodiment. On the other hand, when extruding the polyethylene terephthalate resin alone, one or two layers as in Comparative Examples 1 and 2, it can be seen that it is not satisfied with the heat-resistant grade B class.

상술한 바와 같이 본 발명은 도체에 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지로 2층 이상 압출 절연하여 제1절연피복층과 제2절연피복층을 형성하고, 제2절연피복층 상으로 폴리아미드, 폴리아미드-이미드나 에틸렌테트라플로로에틸렌 수지로 최종 압출 절연시켜 외부피복층을 형성하여, 내열특성이 향상되고 소형화된 전자제품 내부 배선에 사용되도록 전선을 얇게 형성할 수 있어 변압기, 가전제품, 비행기, 무선전화, 컴퓨터 등의 소형화 장비 등에 응용되는 장점이 있다.As described above, the present invention is formed by extruding and insulating two or more layers of polyethylene terephthalate and polybutylene terephthalate alloy resin on a conductor to form a first insulating coating layer and a second insulating coating layer, and polyamide, poly on the second insulating coating layer. Final extrusion insulation with amide-imide or ethylene tetrafluoroethylene resin to form an outer coating layer, which improves heat resistance and enables thin wires to be used for internal wiring of miniaturized electronics. Transformers, home appliances, airplanes, and wireless There is an advantage that is applied to the miniaturization equipment such as telephone, computer.

Claims (6)

다층절연전선에 있어서,In multilayer insulated wire, 구리나 합금선과 같은 도체(10)와,Conductor 10 such as copper or alloy wire, 상기 도체(10) 상에 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지로 압출 절연하는 제1절연피복층(20) 및 제2절연피복층(30)과,A first insulating coating layer 20 and a second insulating coating layer 30 extruded and insulated with polyethylene terephthalate and polybutylene terephthalate alloy resin on the conductor 10; 상기 제2절연피복층(30) 상에 폴리아미드, 폴리아미드-이미드, 폴리에틸렌테트라플로로에틸렌 중 어느 하나를 선택하여 압출 절연되는 외부피복층(40)으로 구성함을 특징으로 하는 다층절연전선.Multi-layered insulated wire, characterized in that composed of an outer coating layer 40 is selected by extrusion of the polyamide, polyamide-imide, polyethylene tetrafluoroethylene selected on the second insulating coating layer (30). 제1항에 있어서,The method of claim 1, 상기 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지는 폴리부틸렌테레프탈레이트가 1중량%~40중량% 로 블렌드시킨 수지로 구성함을 특징으로 하는 다층절연전선.The polyethylene terephthalate and polybutylene terephthalate alloy resin is a multi-layered insulated wire, characterized in that the polybutylene terephthalate is composed of a resin blended by 1% to 40% by weight. 제1항에 있어서,The method of claim 1, 상기 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지는 폴리부틸렌테레프탈레이트가 1중량%~40중량%로 알로이시킨 수지로 구성함을 특징으로 하는 다층절연전선.The polyethylene terephthalate and polybutylene terephthalate alloy resin is a multi-layered insulated wire, characterized in that the polybutylene terephthalate is composed of a resin that is alloyed in 1% to 40% by weight. 제1항에 있어서,The method of claim 1, 상기 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지는 폴리에틸렌테레프탈레이트와 폴리부틸렌테레프탈레이트 알로이 수지에 내열향상제를 0.01중량%~20중량% 및 압출향상제를 0.01중량%~5중량%가 배합된 수지로 구성함을 특징으로 하는 다층절연전선.The polyethylene terephthalate and polybutylene terephthalate alloy resin is a resin in which a polyethylene terephthalate and polybutylene terephthalate alloy resin 0.01% by weight to 20% by weight of the heat resistance improver and 0.01% to 5% by weight of the extrusion improver Multilayer insulated wire, characterized in that consisting of. 제1항에 있어서,The method of claim 1, 상기 폴리아미드 수지는 나이론 6, 나이론 6,6 혹은 나이론 6,10 이중 한 가지 수지로 선택되며, 내열향상제를 0.01중량%~20중량% 및 압출향상제를 0.01중량%~5중량%가 배합된 수지로 구성함을 특징으로 하는 다층절연전선.The polyamide resin is selected from one of nylon 6, nylon 6,6 or nylon 6,10, and a resin containing 0.01 wt% to 20 wt% of a heat-resistant improver and 0.01 wt% to 5 wt% of an extruder. Multilayer insulated wire, characterized in that consisting of. 제4항 및 제5항에 있어서,The method according to claim 4 and 5, 상기 내열향상제는 유기계 및 무기계의 혼합조성물로 구성되며, 무기계 내열향상제는 가로/세로비(aspect ratio)가 1.0~1.2인 구상의 입자가 배합된 수지로 구성함을 특징으로 하는 다층절연전선.The heat-resistant improver is composed of a mixture of organic and inorganic, and the inorganic heat-resistant enhancer is composed of a resin in which spherical particles having a aspect ratio of 1.0 to 1.2 are blended.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100648841B1 (en) * 2005-11-02 2006-11-24 영창실리콘 주식회사 Multi insulation litzwire and the manufacture method
CN100374502C (en) * 2004-10-21 2008-03-12 株式会社三养社 Poly(butylene terephthalate) resin composite and multilayered insulating wire containing the same
WO2008091067A1 (en) * 2007-01-23 2008-07-31 Lg Chem, Ltd. Petg based decorative sheet having forming ability similar with pvc
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
CN109880316A (en) * 2019-02-28 2019-06-14 苏州金弘峰电子有限公司 A kind of production technology of thinwalled insulation line

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100374502C (en) * 2004-10-21 2008-03-12 株式会社三养社 Poly(butylene terephthalate) resin composite and multilayered insulating wire containing the same
KR100648841B1 (en) * 2005-11-02 2006-11-24 영창실리콘 주식회사 Multi insulation litzwire and the manufacture method
WO2008091067A1 (en) * 2007-01-23 2008-07-31 Lg Chem, Ltd. Petg based decorative sheet having forming ability similar with pvc
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
CN109880316A (en) * 2019-02-28 2019-06-14 苏州金弘峰电子有限公司 A kind of production technology of thinwalled insulation line

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