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Irradiation cross-linked heat resistant flame-retardant rubber-plastic compound conductive foam and manufacturing method thereof

A technology of composite conduction and manufacturing method, which is applied in the field of conductive foam and its manufacture, can solve the problems of uneven volume resistivity, poor anti-static effect, single variety and color, etc., and achieve good anti-static effect, good environmental protection, and energy saving resource effect

Active Publication Date: 2013-04-24
广德祥源新材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the defects and problems existing in the prior art, such as poor antistatic effect, weak mechanical properties, poor flame retardant and heat resistance, single variety and color, poor environmental protection, and uneven volume resistivity. Provide a radiation cross-linked heat-resistant flame-retardant rubber-plastic composite conductive bulb with good antistatic effect, strong mechanical properties, excellent flame retardant and heat resistance, rich varieties and colors, good environmental protection, and relatively uniform volume resistivity Cotton and its manufacturing method

Method used

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  • Irradiation cross-linked heat resistant flame-retardant rubber-plastic compound conductive foam and manufacturing method thereof
  • Irradiation cross-linked heat resistant flame-retardant rubber-plastic compound conductive foam and manufacturing method thereof
  • Irradiation cross-linked heat resistant flame-retardant rubber-plastic compound conductive foam and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0068] A method for manufacturing the above-mentioned radiation cross-linked heat-resistant flame-retardant rubber-plastic composite conductive foam, comprising the following processes in sequence:

[0069] Production process of conductive composite masterbatch: first weigh conductive titanium dioxide, dispersant, carbon fiber, white carbon black and colorant in proportion, and then add carbon fiber, dispersant, conductive titanium dioxide, white carbon black and colorant in sequence at high speed Mixing machine to make mixture, mixing time ≧ 5 minutes, then put the mixture and low-density polyethylene into the internal mixer for internal mixing, internal mixing time ≦ 10 minutes, internal mixing temperature ≦ 120 ℃, after internal mixing Discharge into the single-screw extruder for plasticizing and granulating, and finally obtain the conductive composite masterbatch; the weight ratio of the conductive titanium dioxide, dispersant, carbon fiber, white carbon black, colorant, an...

Embodiment 2

[0076] The same as example 1, the difference is: conductive composite masterbatch 30Kg, flame retardant masterbatch 30Kg, high density polyethylene 10Kg, low density polyethylene 25Kg, EPDM rubber 20Kg, foaming agent 5Kg, crosslinking sensitizer 3Kg .

[0077] The composition and the weight ratio of the finally prepared conductive foam are: conductive titanium dioxide 7.5, carbon fiber 4, dispersant 16, white carbon black 0.8, coloring agent 1.2, grafted regenerated low-density polyethylene 9, grafting agent 3 , antioxidant 0.05, lubricant 1, zinc stearate 0.3, flame retardant 21, high-density polyethylene 10, low-density polyethylene 29.9, EPDM rubber 20, blowing agent 5, cross-linking sensitivity Chemical agent 3.

Embodiment 3

[0079] The same as example 1, the difference is: conductive composite masterbatch 25Kg, flame retardant masterbatch 25Kg, high density polyethylene 8Kg, low density polyethylene 20Kg, EPDM rubber 15Kg, foaming agent 3Kg, crosslinking sensitizer 2.5 Kg.

[0080] The composition and weight ratio of the conductive foam made at last are: conductive titanium dioxide 6, carbon fiber 3.3, dispersant 13, white carbon black 0.6, coloring agent 1.1, grafted regenerated low-density polyethylene 7.5, grafting agent 2.5 , antioxidant 0.04, lubricant 0.8, zinc stearate 0.25, flame retardant 17, high-density polyethylene 7.5, low-density polyethylene 28.3, EPDM rubber 15, foaming agent 3, cross-linking sensitizer 2.5.

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Abstract

The invention relates to irradiation cross-linked heat resistant flame-retardant rubber-plastic compound conductive foam which comprises conductive titanium white, carbon fiber, a dispersing agent, white carbon black, a coloring agent, graft regeneration low-density polyethylene, a grafting agent, an oxidation inhibitor, a lubricating agent, zinc stearate, a flame retardant agent, high-density polyethylene, low-density polyethylene, an ethylene propylene diene monomer, a foaming agent and a cross-linked sensitizing agent. A manufacturing method for the conductive foam comprises the following steps of: firstly, manufacturing a conductive compound master batch by using the conductive titanium white, the dispersing agent, the carbon fiber, the white carbon black, the coloring agent and the low-density polyethylene, then manufacturing a flame-retardant master batch by using the graft regeneration low-density polyethylene, the grafting agent, the oxidation inhibitor, the lubricating agent,the zinc stearate and the flame retardant agent, and finally manufacturing a finished product by using the conductive compound master batch, the flame-retardant master batch and a rubber-plastic compound system. The design has advantages of better anti-static effect, more excellent flame-retardant heat resistance, stronger mechanical property, more uniform volume resistivity, better foaming effect, higher production efficiency, various colors, wide application range, longer service life and better environmental friendliness.

Description

technical field [0001] The invention relates to a conductive foam and a manufacturing method thereof, in particular to a radiation-crosslinked heat-resistant flame-retardant rubber-plastic composite conductive foam and a manufacturing method thereof, which are particularly suitable for improving the antistatic effect and flame-retardant properties of the conductive foam. Heat resistance, mechanical properties and volume resistivity uniformity, and enrich the color variety of products. Background technique [0002] In recent years, with the rise of new conductive media, the research on conductive polymer composite materials has become a hot spot at home and abroad. It has been widely used, mainly in the fields of electronics, communications, automobiles, military industry, aerospace and other fields that require anti-static, shielding, impact resistance, flame retardancy, and heat resistance, such as PDP TVs, LCD monitors, LCD TVs, mobile phones, notebooks Computers, MP3, co...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L23/16C08L51/06C08K13/04C08K3/22C08K7/06C08K3/36C08K5/098C08J9/10C08J3/24C08J3/28C08F255/02
Inventor 魏琼牛正
Owner 广德祥源新材科技有限公司