Thermoplastic polyurethane sheath material for automobile cables and preparation method thereof

A thermoplastic polyurethane, automotive cable technology, used in plastic/resin/wax insulators, organic insulators, etc., can solve the problems of limited use range, poor wear resistance, low impact strength, etc., achieve good physical and mechanical properties, wide range of uses, excellent The effect of abrasion resistance

Inactive Publication Date: 2014-09-03
ANHUI KANGLIYA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the cable materials on the market have the disadvantages of low impact strength, poor heat aging resistance, and poor wear resistance, which seriously limit their application range in automotive cables. Therefore, it is

Method used

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  • Thermoplastic polyurethane sheath material for automobile cables and preparation method thereof
  • Thermoplastic polyurethane sheath material for automobile cables and preparation method thereof

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Embodiment Construction

[0013] A thermoplastic polyurethane sheathing material for automobile cables is prepared from the following raw materials in parts by weight: thermoplastic polyurethane 70, chlorosulfonated polyethylene 30, polybutylene succinate 20, aluminum diethylphosphinate 15, tripropyl borate 8, zinc tripolyphosphate 4, polytetrahydrofuran 6, rubber seed oil 8, calcium stearate 1.5, zinc stearate 2, chlorinated paraffin 5, bis(dodecylthio) dibutyltin 2.5, isopropyl dioleic acid acyloxy (dioctyl phosphoric acid acyloxy) titanate 2, p-nitrosophenol 2.5, toluene-2,4-diisocyanate 3.5, butyryl tri-n-hexyl citrate 15 , asbestos powder 10, fumed silica 18, rhodochrosite 12, (2,4-di-tert-butylphenyl) phosphite triester 2.5, modified stone powder 12;

[0014] The preparation method of the modified stone powder is as follows: (1) Weigh coke gemstone, volcanic stone, and attapulgite in a weight ratio of 7:5:4, mix evenly, calcinate at 780° C. for 1.5 hours, naturally cool to room temperature, pulve...

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Abstract

The invention discloses a thermoplastic polyurethane sheath material for automobile cables and a preparation method thereof. The sheath material is prepared from the following raw materials in parts by weight: 60-80 parts of thermoplastic polyurethane, 20-30 parts of chlorosulfonated polyethylene, 15-25 parts of poly(butylene succinate), 10-15 parts of aluminum diethylphosphinate, 5-10 parts of tripropyl borate, 3-6 parts of zinc tripolyphosphate, 4-8 parts of polytetrahydrofuran, 5-10 parts of rubber seed oil, 1-2 parts of calcium stearate, 1-2 parts of zinc stearate, 4-6 parts of chlorinated paraffin, 2-3 parts of di-n-butylbis(dodecylthio)tin, 1.5-2.5 parts of isopropyl dioleic(dioctylphosphate) titanate, 2-3 parts of 4-nitrosophenol, 2.5-4.5 parts of tolylene-2,4-diisocyanate, 10-15 parts of n-butyryl tri-n-hexyl citrate, 8-12 parts of asbestos powder, 15-20 parts of gas-phase white carbon black, 10-15 parts of magnesia, 2-3 parts of indoxacarb and 10-15 parts of modified stone flour. The cable material has excellent wear resistance, thermal aging resistance and impact toughness, and relatively good physical mechanical performances, oil resistance, flame retardance, chemicals corrosion resistance, environment stress cracking resistance and the like.

Description

technical field [0001] The invention relates to a thermoplastic polyurethane sheathing material for automobile cables and a preparation method thereof, belonging to the field of cable materials. Background technique [0002] In recent years, with the rapid development of my country's automobile industry, the demand for cables will inevitably increase, and the performance requirements for cable materials will become more and more strict. At present, the cable materials on the market have the shortcomings of low impact strength, poor heat aging resistance, and poor wear resistance, which seriously limit their use in automobile cables. Therefore, it is urgent to change the traditional cable material formula and develop an automobile with excellent comprehensive performance. Thermoplastic polyurethane sheath material for cables to improve the safety performance of automotive cables. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to provide a thermop...

Claims

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Application Information

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IPC IPC(8): C08L75/04C08L23/34C08L67/02C08L71/02C08K13/06C08K9/04C08K3/34C08K5/5313C08K5/55C08K3/32C08K5/098C08K5/58C08K3/36C08K5/526C08K5/11C08K7/12B29C47/92H01B3/30H01B3/44H01B3/42B29C48/92
CPCB29C47/0011B29C47/92B29C48/04B29C48/40B29C48/92B29C2948/92704
Inventor 李训祥王新祥周志梅李贻凤胡云昌
Owner ANHUI KANGLIYA CO LTD
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