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Cable sheath insulation material for coal mines and preparation method thereof

A cable sheathing and insulating material technology, applied in the direction of insulated conductors, insulated cables, rubber insulators, etc., can solve the problems of compatibility, low temperature resistance, compression set resistance, reduced thermal aging performance, low tear resistance, and water resistance. It can achieve the effect of high performance such as aging resistance, excellent physical properties and low shrinkage rate.

Inactive Publication Date: 2013-03-27
安徽文峰电子科技集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the increase of chlorine content, the compatibility of plasticizer, low temperature resistance, compression set resistance, thermal aging performance, etc. decrease, and the water resistance is poor. When the temperature is relatively low, the material itself is relatively hard, low in elasticity and brittle. Large, low tear resistance

Method used

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  • Cable sheath insulation material for coal mines and preparation method thereof

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Embodiment 1

[0016] A cable sheath insulating material for coal mines, which is composed of the following raw materials in parts by weight (kg):

[0017] Neoprene CR121 95, SG-3 type PVC resin 20, semi-reinforcing carbon black N774 25, ferrocene 2, N, N'-m-phenylene bismaleimide 2, barium sulfate powder 35, antioxidant MB2, 2-mercaptobenzimidazole 1-2, chlorinated paraffin 8, accelerator DM 2, accelerator TMTD 0.8, nano-bauxite 25, propylene glycol adipate polyester 3, talc powder 3, acetylcitric acid Triethyl ester 0.5, bis(dioctyloxypyrophosphate) ethylene titanate 0.9, zinc borate 4, epoxy butyl oleate 6, zinc oxide 0.8, modified sepiolite 2-3, ethylene Thiourea 6;

[0018] The preparation method of the modified sepiolite is as follows: soak the sepiolite in 1.2g / L potassium permanganate solution and 10% sodium hydroxide solution to remove impurities, then filter and wash to become neutral, and calcined at 450°C , 1 hour, grind into powder, then add 1-2% of the powder weight of quartz...

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PUM

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Abstract

The invention discloses a cable sheath insulation material for coal mines and a preparation method thereof. The cable sheath insulation material comprises the following raw materials in parts by weight: 95-105 parts of neoprene CR121, 15-20 parts of SG-3 type PVC (Polyvinyl chloride) resin, 15-25 parts of semi-reinforcing carbon black N774, 2-3 parts of ferrocene, 1-2 parts of N,N'- meta phenylene bis maleimide, 30-35 parts of blanc fixe, 1-2 parts of antiager MB, 1-2 parts of 2-thiol group benzimidazole, 5-8 parts of chlorinated paraffin, 1-2 parts of promoter DM1, 0.8-1 part of promoter TMTD, 15-25 parts of nanometer bauxite, 1-3 parts of adipic acid propylene glycol polyester, 1-3 parts of talcum powder, 0.3-0.5 part of acetyl triethyl citrate, 0.5-0.9 part of bis(P, P-bis-ethylhexyl diphosphato)ethanediolato titanate, 2-4 parts of zinc borate, 4-6 parts of epoxy butyl oleate, 0.8-1 part of zinc oxide, 2-3 parts of modified sepiolite and 4-6 parts of ethylene thiourea. The cable sheath insulation material for coal mines, prepared by the method, has the advantages of excellent physical properties, stable size, low percentage of contraction and greatly increasing of tensile strength, tearing strength and resilience force performance; and through reasonably collocation of raw materials in the formula, the mechanical property, anti-fatigue performance, oil resistance, ageing resistance and other performances of the produced insulation material are increased.

Description

technical field [0001] The invention mainly relates to a rubber sheath material and a preparation method thereof, in particular to a cable sheath insulating material for coal mines and a preparation method thereof. Background technique [0002] At present, the main materials commonly used in China as cable sheaths are neoprene, chlorosulfonated polyethylene rubber, etc., and the structural components of each material are different and their properties are also different. Chlorinated polyethylene compound is a kind of saturated chlorine-containing rubber, which partially retains the properties of polyethylene, and its elasticity and thermal stability decrease, and the substance becomes a semi-rigid material and loses its elasticity. With the increase of chlorine content, the compatibility of plasticizer, low temperature resistance, compression set resistance, thermal aging performance, etc. decrease, and the water resistance is poor. When the temperature is relatively low, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L11/00C08L27/06C08K13/06C08K9/04C08K9/02C08K3/34C08K3/04C08K3/30C08K5/37C08K3/38C08K5/1515C08K3/22C08K5/405H01B7/17H01B3/28H01B3/44
Inventor 徐文利
Owner 安徽文峰电子科技集团有限公司
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