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High elastic chlorinated polyethylene sheath material

A technology of chlorinated polyethylene and sheath materials, applied in rubber insulators, organic insulators, etc., can solve the problems of poor elasticity of chlorinated polyethylene, poor tear resistance, and rising cost of cable sheaths, and achieve excellent weather resistance , Improve resilience and reduce manufacturing cost

Inactive Publication Date: 2017-06-13
上海蓝昊电气江苏有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the poor elasticity and poor tear resistance of chlorinated polyethylene itself, some high-performance rubber-sheathed flexible cables use neoprene as the sheath material of the cable, because compared with chlorinated polyethylene, chlorine The tensile shrinkage rate of butadiene rubber can reach within 5%, and the tear resistance is 7~12N / mm, but the cost of the cable sheath caused by this will increase by at least 50%

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0012] Choose 80 parts of chlorinated polyethylene rubber, 20 parts of CR / PVC co-precipitation glue, 0.5 parts of anti-aging agent RD, 1 part of paraffin wax, 3 parts of polyethylene wax, 6 parts of magnesium oxide, 1 part of lead stearate, NA-22 1.5 parts, 10 parts of high wear-resistant carbon black, 40 parts of calcined clay, 10 parts of calcium carbonate, 8 parts of antimony trioxide, 15 parts of chlorinated paraffin oil, and 12 parts of DOP. Put the above materials into the internal mixer and knead for 5~7 minutes, lift the top bolt to sweep the material, repeat twice, and then continue to knead until the temperature shows 100°C, discharge the kneaded rubber to the open kneader and turn it over for kneading, then Do not open strips, put them back into the internal mixer after cooling, add 4 parts of DCP and 2 parts of TAIC, and mix for 1 minute, then open strips and produce slices on the three-roller laminator, and put the finished product into the sulfur workshop after 16...

specific Embodiment 2

[0014] 85 parts of chlorinated polyethylene rubber, 15 parts of CR / PVC co-precipitation glue, 0.8 parts of anti-aging agent RD, 2 parts of paraffin wax, 2 parts of polyethylene wax, 8 parts of magnesium oxide, 2 parts of lead stearate, NA-22 1 13 parts of high wear-resistant carbon black, 38 parts of calcined clay, 8 parts of calcium carbonate, 6 parts of antimony trioxide, 12 parts of chlorinated paraffin oil, and 10 parts of DOP. Put the above materials into the internal mixer and knead for 5~7 minutes, lift the top bolt to sweep the material, repeat twice, and then continue to knead until the temperature shows 100°C, discharge the kneaded rubber to the open kneader and turn it over for kneading, then Do not cut strips, put them back into the internal mixer after cooling, add 3.5 parts of DCP and 3 parts of TAIC, mix for 1 minute, and carry out strips and slices on the three-roller laminator. After the finished product is placed for 16 hours, it is put into the continuous sul...

specific Embodiment 3

[0016] 90 parts of chlorinated polyethylene rubber, 10 parts of CR / PVC co-precipitation glue, 1 part of anti-aging agent RD, 3 parts of paraffin wax, 1 part of polyethylene wax, 10 parts of magnesium oxide, 3 parts of lead stearate, 0.5 part of NA-22 , 15 parts of high wear-resistant carbon black, 35 parts of calcined clay, 5 parts of calcium carbonate, 8 parts of antimony trioxide, 15 parts of chlorinated paraffin oil, and 8 parts of DOP. Put the above materials into the internal mixer and knead for 5~7 minutes, lift the top bolt to sweep the material, repeat twice, and then continue to knead until the temperature shows 100°C, discharge the kneaded rubber to the open kneader and turn it over for kneading, then Do not open strips, put them back into the internal mixer after cooling, add 3 parts of DCP and 4 parts of TAIC, and mix for 1 minute, then open strips and produce slices on a three-roller laminator, and put the finished product into the sulfur plant after 16 hours. In ...

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PUM

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Abstract

The invention discloses a high elastic chlorinated polyethylene sheath material prepared from the following active ingredients and raw materials by weight: 80-90 parts of chlorinated polyethylene rubber; 10-20 parts of CR / PVC coprecipitation rubber; 0.5-1 part of antioxidant RD; 1-3 parts of paraffin; 1-3 parts of polyethylene wax; 6-10 parts of magnesium oxide; 1-3 parts of lead stearate; 0.5-1.5 parts of NA-22; 2-4 parts of TAIC; 3-4 parts of DCP; 0-15 parts of high wear resistant carbon black; 35-40 parts of calcined clay; 5-10 parts of calcium carbonate; 4-8 parts of Antimony(III)oxide; 10-15 parts of chlorinated paraffin oil and 8-12 parts of DOP. The high elastic chlorinated polyethylene sheath material has high strength, high tear resistance, the tensile shrinkage rate reaches to 4-4.5%, and the cost is low.

Description

technical field [0001] The invention relates to the field of cable sheaths, in particular to a high-elasticity, high-strength cable sheath material. Background technique [0002] The production of rubber-sheathed flexible cables has a history of many years in our country. Many cable manufacturers at home and abroad are producing and operating such cables with strong mobility and superior performance, and rubber-sheathed flexible cables occupy a very important position in the cable varieties. [0003] At present, chlorinated polyethylene is generally used as the cable sheath material for general-purpose rubber sheathed cables, mainly because chlorinated polyethylene has excellent weather resistance, UV resistance, oil resistance and flame retardancy, and at the same time, chlorinated polyethylene has considerable cost Advantage. However, due to the poor elasticity and poor tear resistance of chlorinated polyethylene itself, some high-performance rubber-sheathed flexible cabl...

Claims

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Application Information

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IPC IPC(8): C08L23/28C08L11/00C08L27/06C08K13/06C08K3/34C08K5/098C08K3/04C08K3/26C08K3/22H01B3/28
CPCC08L23/286C08L2201/02C08L2201/08C08L2203/202C08L2205/025C08L2205/035H01B3/28C08L11/00C08L27/06C08K13/06C08K3/346C08K2003/222C08K5/098C08K3/04C08K2003/265C08K3/2279
Inventor 钱章兴王兵兵田敏周春杰
Owner 上海蓝昊电气江苏有限公司
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