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High-strength weather-resistant modified acrylonitrile-butadiene rubber material and preparation method thereof

A nitrile-butadiene rubber and high-strength technology, which is applied in the field of high-strength weather-resistant modified nitrile-butadiene rubber materials and the preparation thereof, can solve the problems of low strength and poor weathering performance of nitrile-butadiene rubber materials, and achieves good oxidation resistance and promotion Effects of cross-linking curing, enhanced corrosion resistance and flexibility

Inactive Publication Date: 2015-05-06
ANHUI SPECIAL CABLE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the strength of nitrile rubber material is not high, and the weather resistance is not good. In actual production, the method of modification is often used to make up for these shortcomings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A kind of high-strength weather-resistant modified nitrile rubber material proposed by the present invention, its raw materials include by weight: 270748 parts of nitrile rubber, 30 parts of prefabricated fluoropolymer, 15 parts of ethylene-propylene rubber, and 8 parts of para-aramid fiber , 3 parts of castor oil, 0.6 parts of sulfur powder, 1.8 parts of accelerator AA, 1.6 parts of accelerator MZ, 16 parts of coal gangue powder, 15 parts of calcined clay, 10 parts of magnesium hydroxide, 4 parts of zinc borate, titanate coupling 1.8 parts of anti-aging agent, 2.2 parts of anti-aging agent BLE, 5 parts of anti-aging agent OD; wherein, the content of acrylonitrile in nitrile rubber 2707 is 28wt%;

[0018] In the preparation process of the prefabricated fluoropolymer, 55 parts of solvent, 14 parts of vinyl acetate, 15 parts of n-butanol, 12 parts of oxalic acid and initiator azobisisoheptylcyanide are added in the autoclave by weight, After stirring evenly, add 45 parts ...

Embodiment 2

[0021]A high-strength weather-resistant modified nitrile rubber material proposed by the present invention, its raw materials include by weight: 270,745 parts of nitrile rubber, 33 parts of prefabricated fluoropolymer, 12 parts of ethylene-propylene rubber, and 12 parts of para-aramid fiber , 1 part of castor oil, 1 part of sulfur powder, 1.4 parts of accelerator AA, 2 parts of accelerator MZ, 13 parts of coal gangue powder, 18 parts of calcined clay, 7 parts of magnesium hydroxide, 8 parts of zinc borate, titanate coupling 1.4 parts of anti-aging agent, 2.6 parts of anti-aging agent BLE, 3 parts of anti-aging agent OD; wherein, the content of acrylonitrile in nitrile rubber 2707 is 30wt%;

[0022] In the preparation process of the prefabricated fluoropolymer, 50 parts of solvent, 17 parts of vinyl acetate, 12 parts of n-butanol, 15 parts of oxalic acid and initiator azobisisoheptylcyanide are added in the autoclave by weight, After stirring evenly, add 40 parts of hexafluorop...

Embodiment 3

[0025] A high-strength weather-resistant modified nitrile rubber material proposed by the present invention, its raw materials include by weight: 270,747 parts of nitrile rubber, 31 parts of prefabricated fluoropolymer, 14 parts of ethylene-propylene rubber, and 9 parts of para-aramid fiber , 2 parts of castor oil, 0.7 parts of sulfur powder, 1.6 parts of accelerator AA, 1.7 parts of accelerator MZ, 15 parts of coal gangue powder, 16 parts of calcined clay, 9 parts of magnesium hydroxide, 5 parts of zinc borate, titanate coupling 1.6 parts of anti-aging agent, 2.4 parts of anti-aging agent BLE, 4 parts of anti-aging agent OD; wherein, the content of acrylonitrile in nitrile rubber 2707 is 28.5wt%;

[0026] In the preparation process of the prefabricated fluoropolymer, 54 parts of solvent, 15 parts of vinyl acetate, 14 parts of n-butanol, 13 parts of oxalic acid and initiator azobisisoheptylcyanide are added in the autoclave by weight, After stirring evenly, add 44 parts of hex...

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PUM

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Abstract

The invention discloses a high-strength weather-resistant modified acrylonitrile-butadiene rubber material. The acrylonitrile-butadiene rubber material comprises the following raw materials in parts by weight: 45-48 parts of acrylonitrile-butadiene rubber 2707, 30-33 parts of prefabricated fluoropolymer, 12-15 parts of ethylene-propylene rubber, 8-12 parts of para-aramid fiber, 1-3 parts of castor oil, 0.6-1 part of sulfur powder, 1.4-1.8 parts of an accelerator AA, 1.6-2 parts of an accelerator MZ, 13-16 parts of coal gangue powder, 15-18 parts of calcined clay, 7-10 parts of magnesium hydroxide, 4-8 parts of zinc borate, 1.4-1.8 parts of a titanate coupling agent, 2.2-2. 6 parts of an anti-aging agent BLE and 3-5 parts of an anti-aging agent OD. The invention also provides a preparation method of the high-strength weather-resistant modified acrylonitrile-butadiene rubber material. The high-strength weather-resistant modified acrylonitrile-butadiene rubber material has the advantages of high oil resistance, high strength, excellent oxidation resistance and weather resistance and good mechanical properties.

Description

technical field [0001] The invention relates to the technical field of nitrile rubber materials, in particular to a high-strength weather-resistant modified nitrile rubber material and a preparation method thereof. Background technique [0002] In recent years, due to the shortage of resources such as oil and coal at home and abroad, countries have vigorously developed new energy sources. Wind energy, as a clean energy source, is energy-saving and environmentally friendly, and has an inexhaustible source. However, the cable accessories for wind power generation cannot keep up with the requirements of wind power generation. Due to difficult maintenance and harsh service conditions, the cables for wind power generation have high requirements for cable performance and life, and the cables are constantly twisted during operation. At present, natural rubber and styrene-butadiene rubber are mostly used for cable sheath rubber. This kind of cable sheath rubber has good elasticity, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08L27/20C08L23/16C08L77/10C08L91/00C08K13/02C08K3/06C08K3/34C08K3/22C08K3/38C08F214/28C08F218/08
CPCC08L9/02C08F214/28C08L2201/02C08L2201/08C08L2205/035C08L2205/16C08L27/20C08L23/16C08L77/10C08L91/00C08K13/02C08K3/06C08K3/346C08K2003/2224C08K2003/387C08F218/08
Inventor 张冬冬赖贵洲何玮王翠玲
Owner ANHUI SPECIAL CABLE GRP
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