High-thermal-conductivity rubber material and preparation method thereof

A rubber material and high thermal conductivity technology, applied in the field of rubber products, can solve the problems of easy heat accumulation and rubber aging, and achieve the effects of accelerating heat conduction, improving heat resistance and aging resistance, good heat resistance and aging resistance

Pending Publication Date: 2021-07-23
WEIFANG HONGJIAN RUBBER PLASTICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since rubber is a poor conductor of heat, it is easy to accumulate heat and cause rubber aging

Method used

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  • High-thermal-conductivity rubber material and preparation method thereof
  • High-thermal-conductivity rubber material and preparation method thereof
  • High-thermal-conductivity rubber material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] (1) Preparation of natural masterbatch: put 2.68 parts of natural rubber into the open mill, adjust the temperature to 100°C, then slowly add 4 parts of silicon carbide, 0.06 parts of silane coupling agent, and 0.06 parts of stearic acid , 0.14 parts of zinc oxide, after mixing for 5 minutes, wait for the mill to cool down to 40 ° C, then add 0.05 parts of sulfur and 0.03 parts of N-tert-butyl-2-benzothiazole sulfenamide, after mixing for 3 minutes, carry out 5 times Thin pass treatment, next sheet, made natural masterbatch;

[0022] (2) Preparation of rubber compound: 86.6 parts of natural rubber, 4.3 parts of zinc oxide, 1.7 parts of stearic acid, 0.9 parts of antioxidant 4020, 0.9 part of antioxidant RD, 43.3 parts of carbon black 330, 60.6 parts of light calcium, 26.9 parts of Put one part of paraffin oil into the internal mixer, adjust the mixing temperature to 100°C, and after mixing for 10 minutes, after the internal mixer is cooled to 40°C, add 1.6 parts of sulf...

Embodiment 2

[0025] (1) Preparation of natural masterbatch: put 8 parts of natural rubber into an open mill, adjust the temperature to 120°C, then slowly add 12 parts of silicon carbide, 0.16 parts of silane coupling agent, and 0.16 parts of stearic acid , 0.4 parts of zinc oxide, after mixing for 10 minutes, wait for the mill to cool to 55 ° C, then add 0.14 parts of sulfur and 0.1 parts of N-tert-butyl-2-benzothiazole sulfenamide, after mixing for 5 minutes, carry out 5 times Thin pass treatment, next sheet, made natural masterbatch;

[0026] (2) Preparation of rubber compound: 80 parts of natural rubber, 4 parts of zinc oxide, 1.6 parts of stearic acid, 0.8 parts of antioxidant 4020, 0.8 part of antioxidant RD, 40 parts of carbon black 330, 56 parts of light calcium, 24.8 Put one part of paraffin oil into the internal mixer, adjust the mixing temperature to 130°C, and after mixing for 12 minutes, after the internal mixer is cooled to 55°C, add 1.4 parts of sulfur and 1 part of N-tert-bu...

Embodiment 3

[0029] (1) Preparation of natural masterbatch: put 26.7 parts of natural rubber into the open mill, adjust the temperature to 110°C, then slowly add 40 parts of silicon carbide, 0.6 parts of silane coupling agent, and 0.6 parts of stearic acid , 1.3 parts of zinc oxide, after mixing for 8 minutes, wait for the mill to cool to 50 ° C, then add 0.5 parts of sulfur and 0.3 parts of N-tert-butyl-2-benzothiazole sulfenamide, after mixing for 4 minutes, carry out 5 times Thin pass treatment, next sheet, made natural masterbatch;

[0030] (2) Preparation of rubber compound: 73.3 parts of natural rubber, 3.7 parts of zinc oxide, 1.4 parts of stearic acid, 0.7 parts of antioxidant 4020, 0.7 part of antioxidant RD, 36.6 parts of carbon black 330, 51.3 parts of light calcium, 22.7 parts of Put 1.3 parts of paraffin oil into the internal mixer, adjust the mixing temperature to 110°C, and after mixing for 11 minutes, wait for the internal mixer to cool to 50°C, then add 1.3 parts of sulfur...

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Abstract

The invention provides a high-thermal-conductivity rubber material and a preparation method thereof, and solves the technical problems of poor heat resistance and aging resistance of the existing rubber material. The high-thermal-conductivity rubber material is prepared from the following raw materials by weight: 73.3-86.6 parts of rubber, 1-5 parts of masterbatch, 1.4-1.7 parts of stearic acid, 3.7-4.3 parts of zinc oxide, 2.2-2.6 parts of a vulcanizing agent, 36.6-43.3 parts of carbon black 330, 1.4-1.8 parts of an anti-aging agent, 51.3-60.6 parts of light calcium carbonate, and 22.7-26.9 parts of a plasticizer. The invention also provides a preparation method of the high-thermal-conductivity rubber material. The high-thermal-conductivity rubber material can be widely applied to the technical field of rubber products.

Description

technical field [0001] The invention belongs to the technical field of rubber products, and more specifically relates to a high thermal conductivity rubber material and a preparation method thereof. Background technique [0002] The rubber industry is one of the important basic industries of the national economy. Due to its unique performance, it not only provides the people with daily and medical light industrial products that are indispensable in daily life, but also supplies machinery, transportation, construction, and manufacturing industries. and other heavy industries provide a variety of rubber components. In the development of the modern material industry, the development speed of rubber materials has greatly surpassed the traditional three basic materials of steel, wood, and cement because of its light texture, good performance, rich raw materials, convenient processing, and wide range of uses. Because rubber is a poor conductor of heat, it is easy to accumulate he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L7/00C08L91/06C08L9/02C08L23/16C08K13/02C08K3/34C08J3/22C09K5/14
CPCC08L7/00C08L9/02C08L23/16C08J3/226C09K5/14C08K2003/2296C08K2003/265C08J2307/00C08J2407/00C08J2491/06C08J2309/02C08J2409/02C08J2323/16C08J2423/16C08L91/06C08K13/02C08K3/34
Inventor 曹团结谭建群陆国龙宋华磊李小龙王建华
Owner WEIFANG HONGJIAN RUBBER PLASTICS CO LTD
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