A kind of three-component composite reinforcing agent for hydrogenated nitrile rubber and its preparation method
A hydrogenated nitrile rubber and heavy component technology, applied in the chemical industry, can solve the problems of limiting rubber reinforcement, unfavorable large-scale application of hydrogenated nitrile rubber, unfavorable high-performance hydrogenated nitrile rubber composite materials, etc., to achieve reinforcement Efficiency, remarkable reinforcing effect, effect of reducing agglomeration
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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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