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Chloroprene rubber sheath material used for cables and resistant to extreme cold and preparation method of chloroprene rubber sheath material

A neoprene sheath, extremely cold technology, applied in the field of extreme cold resistant neoprene sheath materials for cables, can solve the problems of affecting the service life, cracking of the cable sheath surface, poor flexibility, etc., to achieve the first step Ease of use, simple preparation method, and excellent performance

Inactive Publication Date: 2019-04-26
JIANGSU ZHONGMEI CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When used in the extremely cold region of -60°C, the surface of the cable sheath will be cracked and brittle to varying degrees, and the flexibility will deteriorate, which will seriously affect the service life and cannot meet the use in the extremely cold region.

Method used

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  • Chloroprene rubber sheath material used for cables and resistant to extreme cold and preparation method of chloroprene rubber sheath material
  • Chloroprene rubber sheath material used for cables and resistant to extreme cold and preparation method of chloroprene rubber sheath material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An extremely cold-resistant chloroprene rubber sheath material for cables. The components are 100 parts by weight of CRSN322 resin, 5 parts of magnesium oxide, 26 parts of N330 carbon black, 10 parts of SRF carbon black, and 100 parts of calcined clay , 20 parts of aluminum hydroxide, 4 parts of zinc oxide, 0.4 parts of vulcanizing agent DM, 5 parts of paraffin, 2 parts of stearic acid, 10 parts of plasticizer DOP, 10 parts of plasticizer DEP dioctyl ester, 2 parts of antioxidant RD, 1 part of silane coupling agent and 4 parts of release agent.

[0019] The preparation method of extremely cold-resistant neoprene sheath material for cables includes the following steps:

[0020] (1) Take 100 parts of CRSN322 resin, 5 parts of magnesium oxide, 26 parts of N330 carbon black, 10 parts of SRF carbon black, 100 parts of calcined clay, 20 parts of aluminum hydroxide, 4 parts of zinc oxide, vulcanizing agent DM 0.4 parts, 5 parts paraffin wax, 2 parts stearic acid, 10 parts plastici...

Embodiment 2

[0026] An extremely cold-resistant chloroprene rubber sheath material for cables. The components are 100 parts by weight of CRSN322 resin, 4 parts of magnesium oxide, 25 parts of N330 carbon black, 15 parts of SRF carbon black, and 100 parts of calcined clay , 25 parts of aluminum hydroxide, 4 parts of zinc oxide, 0.4 parts of vulcanizing agent DM, 5 parts of paraffin, 0.5 parts of stearic acid, 10 parts of plasticizer DOP, 10 parts of plasticizer DEP dioctyl ester, 2 parts of antioxidant ODA , 1 part of silane coupling agent, 5 parts of release agent.

[0027] The preparation method of extremely cold-resistant neoprene sheath material for cables includes the following steps:

[0028] (1) Take 100 parts of CRSN322 resin, 4 parts of magnesium oxide, 25 parts of N330 carbon black, 15 parts of SRF carbon black, 100 parts of calcined clay, 25 parts of aluminum hydroxide, 4 parts of zinc oxide, vulcanizing agent DM 0.4 parts, 5 parts of paraffin wax, 0.5 parts of stearic acid, 10 parts...

Embodiment 3

[0034] An extremely cold-resistant chloroprene rubber sheath material for cables. The components are 100 parts by weight of CRSN322 resin, 4 parts of magnesium oxide, 25 parts of N330 carbon black, 15 parts of SRF carbon black, and 100 parts of calcined clay , 25 parts of aluminum hydroxide, 4 parts of zinc oxide, 1.4 parts of vulcanization accelerator, 0.4 parts of vulcanizing agent DM, 5 parts of paraffin wax, 0.5 parts of stearic acid, 15 parts of plasticizer DOP, 15 parts of plasticizer DEP dioctyl , 2 parts of antioxidant ODA, 1 part of silane coupling agent, 5 parts of release agent.

[0035] The preparation method of extremely cold-resistant neoprene sheath material for cables includes the following steps:

[0036] (1) Take 100 parts of CRSN322 resin, 4 parts of magnesium oxide, 25 parts of N330 carbon black, 15 parts of SRF carbon black, 100 parts of calcined clay, 25 parts of aluminum hydroxide, 4 parts of zinc oxide, vulcanization accelerator 1.4 parts, vulcanizing agent...

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Abstract

The invention relates to a chloroprene rubber sheath material used for cables and resistant to extreme cold. The chloroprene rubber sheath material is prepared from components in parts by weight as follows: 100 parts of CRSN322 resin, 4-5 parts of magnesium oxide, 36-40 parts of carbon black, 100 parts of calcined pottery clay, 20-25 parts of aluminum hydroxide, 4 parts of zinc oxide, 1.8 parts ofa vulcanizing agent, 5 parts of paraffin, 0.5-2 pars of stearic acid, 20-30 parts of a plasticizer, 2 parts of an anti-aging agent, 1 part of a silane coupling agent and 4-5 parts of a releasing agent. The preparation process comprises steps as follows: mixing, vulcanizing, sheet discharge and extrusion forming for preparation of the sheath material. The preparation method is simple, the steps are easy to operate, the prepared sheath material has excellent low-temperature bending performance, low-temperature impact property, shore A hardness and flexibility, and produced and manufactured cables can be used in extreme cold regions at subzero 60 DEG C for a long time.

Description

Technical field [0001] The invention relates to an extremely cold-resistant chloroprene rubber sheath material for cables, and belongs to the technical field of the preparation of cable rubber materials. Background technique [0002] In recent years, the wind power industry, Antarctic scientific research, refrigerated indoor robots and other fields have developed relatively rapidly. However, these areas are often in extremely cold areas and the working conditions are extremely harsh. To ensure the safe operation of the power system, the cables used are The extreme cold resistance of -60℃ is required, and the demand for extreme cold cables is increasing. Cables made of conventional rubber sheath materials have a minimum temperature resistance rating of only -40°C. When used in extreme cold areas at -60°C, the surface of the cable sheath will have different degrees of cracking and embrittlement, and the flexibility will become poor, which will seriously affect the service life and...

Claims

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Application Information

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IPC IPC(8): C08L11/00C08L91/06C08K13/02C08K3/04C08K3/22C08K3/34C08K5/09B29B7/00B29C35/02B29C69/02
CPCB29B7/005B29C35/02B29C69/02C08K2003/222C08K2003/2227C08K2003/2296C08L11/00C08L2203/202C08L91/06C08K13/02C08K3/04C08K3/22C08K3/346C08K5/09
Inventor 陈明徐庭元秦建伟吴涛刘景光刘洪云
Owner JIANGSU ZHONGMEI CABLE
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