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High temperature resistant conductive rubber material

A kind of conductive rubber, high temperature resistance technology, applied in the rubber field, can solve the problem of conductive rubber not having high temperature resistance flame retardant function, easy to be damaged, etc., to achieve good conductivity, high tensile strength, good high temperature resistance and flame retardant properties Effect

Inactive Publication Date: 2016-03-02
季桂金
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The product can be molded or extruded, and there are sheets or other die-cut shapes to choose from. The shielding performance is as high as 120dB (10GHz), and the current conductive rubber does not have the function of high temperature resistance and flame retardancy, and is easily damaged

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1: A high temperature resistant conductive rubber material, the high temperature resistant conductive rubber material comprises the following components in parts by weight: 80 parts of chloroprene rubber, 80 parts of fluorosilicone rubber, 50 parts of polyacrylate rubber, 4 parts of conductive particles, carbon 30 parts of black N300, 7 parts of conductive graphite, 4 parts of reinforcing agent, 10 parts of calcium carbonate, 3 parts of anti-aging agent, 5 parts of dibutyl phthalate, 3 parts of zinc diethyldithiocarbamate, 2-sulfur 3 parts of alcohol-based imidazoline, 13 parts of flame retardant, and 4 parts of vulcanizing agent.

[0015] The above-mentioned high temperature resistant conductive rubber material, wherein the conductive particles are a mixture of copper powder, aluminum powder, and magnesium powder, and the weight-to-number ratio of the copper powder, aluminum powder, and magnesium powder is 2:3:1.

[0016] The above-mentioned high temperature r...

Embodiment 2

[0017] Example 2: A high temperature resistant conductive rubber material, the high temperature resistant conductive rubber material includes the following components in parts by weight: 40-120 parts of chloroprene rubber, 50-150 parts of fluorosilicone rubber, 30-50 parts of polyacrylate rubber, 1-4 parts of conductive particles, 10-30 parts of carbon black N300, 3-7 parts of conductive graphite, 4-20 parts of reinforcing agent, 2-10 parts of calcium carbonate, 1-5 parts of anti-aging agent, dibutyl phthalate 3-5 parts, 1-4 parts of zinc diethyldithiocarbamate, 1-4 parts of 2-thiol imidazoline, 5-18 parts of flame retardant, 3-5 parts of vulcanizing agent.

[0018] The above-mentioned high temperature resistant conductive rubber material, wherein the composition of the plasticizer is: the composition of the reinforcing agent is: 2%~5% of white carbon black, 5%~8% of general carbon black, FEF1 .2%~2.5%, pottery clay 20%~25%, talcum powder 10%~15%, and the rest is water.

[...

Embodiment 3

[0020] Example 3: A high temperature resistant conductive rubber material, the high temperature resistant conductive rubber material includes the following components in parts by weight: 40-120 parts of chloroprene rubber, 50-150 parts of fluorosilicone rubber, 30-50 parts of polyacrylate rubber, 1-4 parts of conductive particles, 10-30 parts of carbon black N300, 3-7 parts of conductive graphite, 4-20 parts of reinforcing agent, 2-10 parts of calcium carbonate, 1-5 parts of anti-aging agent, dibutyl phthalate 3-5 parts, 1-4 parts of zinc diethyldithiocarbamate, 1-4 parts of 2-thiol imidazoline, 5-18 parts of flame retardant, 3-5 parts of vulcanizing agent.

[0021] The above-mentioned high temperature resistant conductive rubber material, wherein the flame retardant is a mixture of calcium oxide, zinc oxide and magnesium oxide.

[0022] The present invention changes the situation that only single acetylene carbon black is used in the existing conductive rubber formula, and ...

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Abstract

The invention discloses a high temperature resistant conductive rubber material and relates to the field of rubber. The high temperature resistant conductive rubber material comprises, by weight, 40-120 parts of chloroprene rubber, 50-150 parts of fluorinated silicone rubber, 30-50 parts of polyacrylate rubber, 1-4 parts of conductive particles, 10-30 parts of carbon black N300, 3-7 parts of conductive graphite, 4-20 parts of a reinforcing agent, 2-10 parts of calcium carbonate, 1-5 parts of an anti-aging agent, 3-5 parts of dibutyl phthalate, 1-4 parts of zinc diethyl dithiocarbamaate, 1-4 parts of 2-mercaptoimidazoline, 5-18 parts of a flame retardant, and 3-5 parts of a vulcanizing agent. According to the invention, a rubber material with good conductivity, high tensile strength, high temperature resistance and flame resistance can be produced.

Description

technical field [0001] The invention relates to the rubber field, in particular to a high-temperature-resistant conductive rubber material. Background technique [0002] Conductive rubber usually means that the volume resistance is within 9 times of 10 ohm centimeters. Since rubber is an excellent insulator, the volume resistance is greater than about 14 times of 10. Conductive rubber is divided into anti-static grade conductive rubber. The volume resistance is between 10 to the 9th power of 10, or even as low as one or two hundred ohms. It is very difficult to lower it to less than 50 ohm cm. The volume resistance of the conductive rubber filled with conductive carbon black can usually be kept at several thousand ohms. Since a single acetylene carbon black is used in the existing formula, its tensile strength can only reach 12Mpa, which is far from meeting the actual needs. Conductive rubber is used in both military and commercial applications, where its main role is seali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L11/00C08L83/08C08L33/04C08K13/02C08K3/04C08K3/26C08K5/12C08K5/39C08K5/37C08K3/08
Inventor 季桂金
Owner 季桂金
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