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TPEE insulated wire, and preparation method and application thereof

A technology of insulated wires and insulating layers, which is applied in the manufacture of cables/conductors, insulation of conductors/cables, and circuits. It can solve the problems of spark breakdown, poor high and low temperature resistance, and poor wear resistance of TPEE insulated wires To achieve the effect of large market application value

Inactive Publication Date: 2015-09-09
SHANGHAI FUERXIN CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a TPEE insulated wire and its preparation method and application in order to overcome the current problems of poor wear resistance of TPEE insulated wires, poor high and low temperature resistance, and easy spark breakdown.

Method used

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  • TPEE insulated wire, and preparation method and application thereof
  • TPEE insulated wire, and preparation method and application thereof
  • TPEE insulated wire, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Wire specification: Stranded conductor cross-sectional area 0.35mm 2 , The nominal thickness of the wire insulation layer is 0.25mm; the outer diameter of the wire is 1.28mm.

[0045] Material selection: Melt index 15cm 3 / 10min of TPEE insulation material;

[0046] Stranded conductor: twisted by annealed soft copper wire with a purity of 99.99%. The stranded conductor consists of seven 0.25mm copper monofilaments twisted together.

[0047] The preparation steps of the wire are as follows:

[0048] (1) Preheat the conductor to a temperature of 90°C;

[0049](2) Use Φ45+Φ25 type extruder to extrude the TPEE insulation material on the preheated conductor to obtain the extrudate; the extrusion temperature of the extruder is shown in Table 1;

[0050] (3) The extruded extrudate passes through the cooling zone sequentially from high temperature to low temperature: the first water cooling zone at 65°C; the second air cooling zone at 40°C; the third water cooling zone at ...

Embodiment 2

[0060] Wire specification: Stranded conductor cross-sectional area 2.5mm 2 , the thickness of the wire insulation layer is 0.35mm; the maximum outer diameter of the wire is 2.85mm.

[0061] Material selection: Melt index 15cm 3 / 10min of TPEE insulation material;

[0062] Stranded conductor: twisted by annealed soft copper wire with a purity of 99.99%. The stranded conductor is made of 19 copper monofilaments of 0.41mm.

[0063] The preparation steps of the wire are as follows:

[0064] (1) Preheat the conductor to a temperature of 70°C;

[0065] (2) Use Φ45+Φ25 type extruder to extrude TPEE insulation material on the preheated conductor to obtain the extrudate; the extrusion temperature of the extruder is shown in Table 3;

[0066] (3) The extruded extrudate passes through the cooling zone sequentially from high temperature to low temperature: the first water cooling zone at 65°C; the second air cooling zone at 40°C; the third water cooling zone at 23°C.

[0067] Wherei...

Embodiment 3

[0076] Wire specification: Stranded conductor cross-sectional area 0.35mm 2 , The nominal thickness of the wire insulation layer is 0.25mm; the outer diameter of the wire is 1.28mm.

[0077] Material selection: Melt index 15cm 3 / 10min of TPEE insulation material;

[0078] Stranded conductor: twisted by annealed soft copper wire with a purity of 99.99%. The stranded conductor consists of seven 0.25mm copper monofilaments twisted together.

[0079] The preparation steps of the wire are as follows:

[0080] (1) Preheat the conductor to a temperature of 90°C;

[0081] (2) Use Φ45+Φ25 type extruder to extrude the TPEE insulation material on the preheated conductor to obtain the extrudate; the extrusion temperature of the extruder is shown in Table 1;

[0082] (3) The extruded extrudate passes through the cooling zone sequentially from high temperature to low temperature: the first water cooling zone at 60°C; the second air cooling zone at 30°C; the third water cooling zone at...

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Abstract

The invention discloses a TPEE insulated wire and a preparation method and application thereof. The preparation method comprises following steps of: preheating a stranded conductor at the temperature from 70 to 90 degrees centigrade; extruding the TPEE insulated material on the preheated stranded conductor in an extruder to obtain an extruded object, wherein the extrusion temperature of the extruder is successively described as following: the temperature of a main engine first region is from 130 to 150 degrees centigrade, the temperature of a main engine second region is from 185 to 190 degrees centigrade, the temperature of a main engine third region is from 230 to 245 degrees centigrade, the temperature of a main engine flange is from 240 to 250 degrees centigrade, the temperature of a main engine head is from 250 to 260 degrees centigrade, the temperature of an auxiliary engine first region is from 130 to 150 degrees centigrade, the temperature of an auxiliary engine second region is from 180 to 190 degrees centigrade, the temperature of an auxiliary engine third region is from 240 to 250 degrees centigrade, and the temperature of an auxiliary engine flange is from 240 to 250 degrees centigrade, and a tube-extruding die core and a tube-extruding die sleeve are used in a extruding process; and enabling the extruded object to successively pass through three cooling zones to form an insulated layer on the surface of the stranded conductor. The TPEE insulated wire has excellent properties of high and low temperature resistance, oil resistance, and wear resistance.

Description

technical field [0001] The invention relates to a TPEE insulated wire, a preparation method and application thereof. Background technique [0002] With the progress of society and the gradual improvement of living standards, the electronic equipment on the car is becoming more and more abundant, and people's requirements for the car environment are getting higher and higher, so that the space left for wiring is getting smaller and smaller, making it very difficult for wires to dissipate heat . Therefore, the performance of high-temperature-resistant electric wires, especially electric wires for engines and their accessories, is increasingly being tested. [0003] TPEE (thermoplastic polyester elastomer) is a block copolymer containing polyester hard segment and polyether soft segment, in which the polyether soft segment and uncrystallized polyester form an amorphous phase polyester hard segment, and partially crystallized form a crystalline Domains, which function as physi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B13/00H01B13/14
Inventor 吴迪
Owner SHANGHAI FUERXIN CABLE
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