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Three-heavy-component composite reinforcing agent for hydrogenated butadiene-acrylonitrile rubber and preparation method of three-heavy-component composite reinforcing agent

A technology of hydrogenated nitrile butadiene rubber and heavy components, applied in the chemical field, can solve the problems of restricting the reinforcing effect of rubber, unfavorable for large-scale application of hydrogenated nitrile butadiene rubber, and unfavorable high-performance hydrogenated nitrile butadiene rubber composite materials, etc. Efficiency, Reinforcing effect is remarkable, the effect of reducing agglomeration phenomenon

Active Publication Date: 2020-07-17
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The surface of silica is rich in hydrophilic hydroxyl groups and is easy to modify. However, when it is in the state of nanoparticles, it is easy to agglomerate in the rubber. Nitrile rubber composites, which are not conducive to the large-scale application of hydrogenated nitrile rubber

Method used

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  • Three-heavy-component composite reinforcing agent for hydrogenated butadiene-acrylonitrile rubber and preparation method of three-heavy-component composite reinforcing agent
  • Three-heavy-component composite reinforcing agent for hydrogenated butadiene-acrylonitrile rubber and preparation method of three-heavy-component composite reinforcing agent
  • Three-heavy-component composite reinforcing agent for hydrogenated butadiene-acrylonitrile rubber and preparation method of three-heavy-component composite reinforcing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] (1) Weigh 0.05g of commercially available graphene and 0.25g of commercially available carbon nanotubes, place them in a 2000ml three-necked flask, add 500ml of commercially available cetyltrimethylammonium bromide aqueous solution (6gCTAB, 12g / L CTAB / H 2 0), at room temperature ultrasonic 2~3 hours, make graphene-carbon nanotube fully disperse in hexadecyltrimethylammonium bromide aqueous solution, obtain graphene-carbon nanotube;

[0050] (2) Under the action of mechanical stirring, add 200ml of commercially available sodium silicate aqueous solution (30g of SiO 2 , 150g / L Na 2 SiO 3 / H 2 O), wherein sodium silicate is the precursor of silicon dioxide, because its aqueous solution concentration is bigger, can help to generate smaller and uniform silicon dioxide nanoparticles, fully stir, obtain mixed solution;

[0051] (3) Under mechanical stirring, the mixed solution in step (2) was warmed up to 85°C, continued to stir, and was mixed with commercially available d...

Embodiment 2

[0054] (1) Weigh 0.1g of commercially available graphene and 0.5g of commercially available carbon nanotubes, place them in a 2000ml three-necked flask, add 500ml of commercially available cetyltrimethylammonium bromide aqueous solution (6g CTAB, 12g / L CTAB / H 2 0), at room temperature ultrasonic 2~3 hours, make graphene-carbon nanotube fully dispersed in cetyltrimethylammonium bromide aqueous solution;

[0055] (2) Under mechanical stirring, add 200ml of commercially available sodium silicate aqueous solution (30g of SiO 2 , 150g / L Na 2 SiO 3 / H 2 O), wherein sodium silicate is the precursor of silicon dioxide, because its aqueous solution concentration is bigger, can help to generate smaller and uniform silicon dioxide nano-particle, fully stirs and obtains mixed solution;

[0056] (3) Under mechanical stirring, the mixed solution in step (2) was warmed up to 85°C, continued to stir, and was mixed with commercially available dilute sulfuric acid solution (H 2 SO 4 / H ...

Embodiment 3

[0059] (1) Weigh 0.15g of commercially available graphene and 0.75g of commercially available carbon nanotubes, place them in a 2000ml three-necked flask, add 500ml of commercially available cetyltrimethylammonium bromide aqueous solution (6g CTAB, 12g / L CTAB / H 2 0), at room temperature ultrasonic 2~3 hours, make graphene-carbon nanotube fully dispersed in cetyltrimethylammonium bromide aqueous solution;

[0060] (2) Under the action of mechanical stirring, add 200ml commercially available sodium silicate aqueous solution (30g SiO 2 , 150g / LNa 2 SiO 3 / H 2 (0), wherein sodium silicate is the precursor of silicon dioxide, and its aqueous solution concentration can help generate smaller and uniform silicon dioxide nanoparticles, and fully stir to obtain a mixed solution;

[0061] (3) Under mechanical stirring, the mixed solution in step (2) was warmed up to 85°C, continued to stir, and was mixed with commercially available dilute sulfuric acid solution (H 2 SO 4 / H 2 O) a...

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Abstract

The invention provides a three-heavy-component composite reinforcing agent for hydrogenated butadiene-acrylonitrile rubber and a preparation method of the three-heavy-component composite reinforcing agent. The invention belongs to the technical field of chemical engineering; the three-heavy-component composite reinforcing agent comprises graphene-carbon nanotubes and nano-silica, the graphene-carbon nanotubes are used as a carrier, the nano-silica is used as a main reinforcing component, the graphene-carbon nanotubes are also used as a reinforcing auxiliary agent, and a mass ratio of the carrier to the main reinforcing component is 0.3:30-1.2:30. The prepared three-heavy-component composite reinforcing agent for hydrogenated butadiene-acrylonitrile rubber has the advantages of being stable, efficient, environmentally friendly, remarkable and the like, and further development of a hydrogenated butadiene-acrylonitrile rubber reinforcing system can be promoted.

Description

technical field [0001] The invention relates to a triple-component composite reinforcing agent and a preparation method thereof, in particular to a graphene-carbon nanotube-silicon dioxide triple-component composite reinforcing agent (RGO-CNTs-SiO 2 ) and a preparation method, which belong to the technical field of chemical industry. [0002] technical background [0003] As a highly saturated synthetic rubber, hydrogenated nitrile has been highly valued by various governments. When hydrogenated nitrile rubber is used as an elastomer material widely used in aviation, oil fields and sealing fields, its rubber reinforcement system has the advantages of high efficiency and functionality, and is regarded as the first choice for elastomer materials used under extreme conditions. [0004] Chinese invention patent application CN201611130069 introduces a hydrogenated nitrile rubber composite material and its preparation method. The method uses natural gas reinforcing carbon black N7...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08K3/04C08K3/36C08K9/12C08K9/04C08L15/00
CPCC08K3/36C08K9/04C08K9/12C08K2201/011C08L15/005C08K3/041C08K3/042
Inventor 王亚男朱红汪中明
Owner BEIJING UNIV OF CHEM TECH