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Cable sheath material for coal mine

A cable sheath, mine technology, applied in the direction of insulating cables, cables, circuits, etc., can solve the problem of compatibility, low temperature resistance, compression set resistance, heat aging performance reduction, chlorinated polyethylene is not applicable, tear resistance Low performance and other problems, to achieve excellent mechanical properties, good acid and alkali corrosion resistance, and reduce production costs

Active Publication Date: 2011-06-15
阳谷新太平洋电缆有限公司
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  • Summary
  • 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
Since the cable sheath material used in coal mines requires that it has the characteristics of softness and good elasticity under any circumstances, chlorinated polyethylene is not suitable for coal mine cable sheath materials due to its own structure.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: According to the raw materials involved in the active ingredients of the coal mine cable sheath material formula and the proportioning by weight, 70 parts of nitrile-polyvinyl chloride, 30 parts of neoprene rubber, 45 parts of white carbon black, magnesium oxide 3.5 parts, 35 parts of aluminum hydroxide, 40 parts of chlorinated paraffin, 2.5 parts of accelerator CZ, 3.5 parts of zinc oxide, 2.2 parts of stearic acid, 4.5 parts of antioxidant RD, 10 parts of antimony trioxide, 2.5 parts of titanium dioxide, 4.5 parts of vulcanizing agent . After mixing the nitrile-polyvinyl chloride and chloroprene rubber, enter the masticating machine for mastication, mastication for 2-3 minutes, add accelerator CZ, magnesium oxide, zinc oxide, anti-aging agent for mixing, and then add white Mix carbon black, aluminum hydroxide, antimony trioxide, and titanium dioxide, then add chlorinated paraffin, stearic acid (added after fillers and reinforcing agents are fed) for mixi...

Embodiment 2

[0014] Embodiment 2: According to the raw materials involved in the active ingredient of the cable sheath material formula for coal mine and the proportion by weight, 80 parts of nitrile-polyvinyl chloride, 20 parts of neoprene, 35 parts of white carbon black, magnesium oxide 4.5 parts, 40 parts of aluminum hydroxide, 5230 parts of chlorinated paraffin, 3.5 parts of accelerator CZ, 4.5 parts of zinc oxide, 3.0 parts of stearic acid, 5.5 parts of antioxidant RD, 8 parts of antimony trioxide, titanium dioxide 2.0 parts, 4.5 parts of vulcanizing agent, after mixing the obtained nitrile-polyvinyl chloride and neoprene rubber, enter the masticating machine for mastication, mastication for 2-3 minutes, add accelerator CZ, magnesium oxide, zinc oxide, The anti-aging agent is mixed, then white carbon black, aluminum hydroxide, antimony trioxide, and titanium dioxide are added for mixing, and then chlorinated paraffin and stearic acid (added after the filler and reinforcing agent are fe...

Embodiment 3

[0015] Embodiment 3: According to the raw materials involved in the active ingredient of the cable sheath material formula for coal mine and the proportion by weight, 90 parts of nitrile-polyvinyl chloride, 10 parts of neoprene, 55 parts of white carbon black, magnesium oxide 5.0 parts, 60 parts of aluminum hydroxide, 5245 parts of chlorinated paraffin, 3.5 parts of accelerator CZ, 4.5 parts of zinc oxide, 4.0 parts of stearic acid, 5.5 parts of antioxidant RD, 8 parts of antimony trioxide, titanium dioxide 2.0 parts, 4 parts of vulcanizing agent, after mixing the obtained nitrile-polyvinyl chloride and neoprene rubber, enter the masticating machine for mastication, mastication for 2-3 minutes, add accelerator CZ, magnesium oxide, zinc oxide, The anti-aging agent is mixed, then white carbon black, aluminum hydroxide, antimony trioxide, and titanium dioxide are added for mixing, and then chlorinated paraffin and stearic acid (added after the filler and reinforcing agent are fed)...

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Abstract

The invention discloses a cable sheath material for a coal mine, which is characterized by comprising the following raw materials for preparing effective constituents according to the parts by weight: 70-100 of butyronitrile-polyvinyl chloride compound, 10-30 of neoprene, 30-60 of white carbon black, 2-8 of magnesium oxide, 20-60 of aluminum hydroxide, 30-60 of chlorcosane, 2-6 of accelerant CZ, 3-8 of zinc oxide, 1-5 of stearic acid, 3-8 of age inhibitor, 4-15 of diantimony trioxide, 2-7 of titanium pigment and 3-9 of vulcanizing agent. The cable sheath material for the coal mine has better performance of stink resistance, cold resistance, flame resistance, oil resistance, ageing resistance, and the like and has good elasticity, high tensile strength, good tear resistance, good extrusionperformance and low cost.

Description

technical field [0001] The invention relates to a cable sheath material, in particular to a cable sheath material for coal mines, which belongs to the field of chemical industry. Background technique [0002] At present, the main materials commonly used in China as cable sheaths are neoprene, chlorosulfonated polyethylene rubber, chlorinated polyethylene rubber and nitrile rubber-polyvinyl chloride. The structural components of these four materials Different its performance is also different. Chloroprene rubber has good flame retardancy and good mechanical properties at room temperature, but when the temperature is low, the mechanical properties become poor and the cold resistance is not good. After long-term storage, it will slowly harden, lose adhesion, poor fluidity, and poor bonding performance. The price of neoprene is relatively high. If it is used alone as the main material of the cable sheath, the cost is relatively expensive. Chlorosulfonated polyethylene compound...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/17C08K13/02C08L11/00C08K5/3437C08L91/06C08L27/06C08K5/09C08K3/22C08L9/02C08K3/36
Inventor 张云龙李明锁王义军于庆魁
Owner 阳谷新太平洋电缆有限公司
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