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Bending resistant sheath material for wires and cables, and preparation method thereof

A wire and cable, flexural resistance technology, applied in the field of cable sheathing material and its preparation, can solve the problems of inability to meet market demand, poor flexural resistance of the sheath, etc., to achieve extended service life, superior flexural resistance, excellent resistance heat effect

Active Publication Date: 2014-01-22
滁州三界外信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing wire and cable sheath materials are mostly made of synthetic rubber. Although synthetic rubber sheaths have excellent physical and mechanical properties, oil resistance, acid and alkali resistance, oil resistance, high and low temperature resistance, etc., currently synthetic rubber The sheaths have poor bending resistance and cannot meet the increasing market demand.

Method used

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  • Bending resistant sheath material for wires and cables, and preparation method thereof

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Embodiment Construction

[0014] A flex-resistant sheathing material for wires and cables, made of the following raw materials in weight (kg): natural rubber 70, butadiene rubber 30, smoked sheet rubber 15, polybutylene terephthalate 10, carbon black N77425, stearic acid 1.5, zinc oxide 2, sulfur 3, accelerator CZ1, accelerator TMTD2, p-tert-butylphenolic resin 12, microcrystalline paraffin 5, antioxidant 40201.5, antioxidant RD1, N-cyclohexylthiophthalein Imide 2, aromatic oil 4, dibutyltin dichloride 2, aluminum hydroxide 15, zinc borate 8, melamine 2, coated red phosphorus 6, barium sulfate 10, nano-alumina 8, composite filler 5;

[0015] The preparation method of the composite filler is as follows: a. Weigh kaolin, diatomaceous earth, and dolomite in a weight ratio of 7:4:2, pulverize them, mix them uniformly, and then wet ball mill them for 22 hours, then dry them at 115° C., and then dry them at 550° C. Calcination at ℃ for 2 hours, after cooling to room temperature, add an appropriate amount of ...

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Abstract

The invention discloses a bending resistant sheath material for wires and cables, and a preparation method thereof. The bending resistant sheath material is prepared by using the following raw materials, by weight, 60-80 parts of natural rubber, 20-40 parts of butadiene rubber, 10-20 parts of smoke sheet rubber, 5-15 parts of polybutylene telephthalate, 20-30 parts of carbon black N774, 1-2 parts of stearic acid, 2-3 parts of zinc oxide, 3-4 parts of sulfur, 1-2 parts of an accelerant CZ, 2-3 parts of an accelerant TMTD, 10-15 parts of a t-butyl phenolic resin, 4-7 parts of microcrystalline paraffin, 1-2 parts of an antioxidant 4020, 1-2 parts of an antioxidant RD, 2-3 parts of N-cyclohexylsulfophthalimide, 3-5 parts of aromatic oil, and 1-3 parts of di-n-butyl tin dichloride. The sheath material has the characteristics of high elasticity, high strength and excellent bending strength, prolongs the service life of a sheath under same conditions, has excellent heat, wear, ageing, ultraviolet, oil, acid and alkali resistances, and has the advantages of durability, complete reliability and wide application prospect.

Description

technical field [0001] The invention relates to a cable sheathing material and a preparation method thereof, in particular to a flexure-resistant sheathing material for wires and cables and a preparation method thereof. Background technique [0002] The cable sheath is an indispensable intermediate structural part of the cable, which plays the role of protecting the cable, ensuring the safety of the cable, and isolating the copper wire from water, air and other media to avoid leakage. The existing wire and cable sheath materials are mostly made of synthetic rubber. Although synthetic rubber sheaths have excellent physical and mechanical properties, oil resistance, acid and alkali resistance, oil resistance, high and low temperature resistance, etc., currently synthetic rubber The sheath of the present invention has poor bending resistance and cannot meet the increasing market demand. Contents of the invention [0003] The object of the present invention is to provide a fl...

Claims

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Application Information

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IPC IPC(8): C08L7/00C08L9/00C08L67/02C08L61/06C08K13/06C08K3/04C08K5/09C08K3/22C08K3/06C08K3/38C08K5/3492C08K3/02C08K3/30H01B3/28H01B7/17
Inventor 何成龙何源
Owner 滁州三界外信息科技有限公司
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