Modifying method for improving compatibility between oxidized graphene and polymethyl methacrylate material
A technology of polymethyl methacrylate and graphene, which is applied in the field of modification to improve the compatibility of graphene oxide and polymethyl methacrylate materials, can solve problems such as poor compatibility, and achieve improved compatibility, The effect of simple modification method
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[0020] Example 1
[0021] (1) Disperse 10 g of graphene oxide in 400 ml of 50% ethanol aqueous solution to obtain the first suspension;
[0022] (2) Add 2g of 2-methyl-2-propen-1-ol, acrylic acid and aluminum hydride alkoxide with a mass ratio of 2:4:1 to the first suspension, heat it to 78°C, and the reaction is complete Afterwards, a second suspension is obtained;
[0023] (3) Wash the second suspension with deionized water and centrifuge at a speed of 1200r / min to obtain a precipitate;
[0024] (4) Vacuum drying the precipitate under a constant temperature of 45°C to obtain modified graphene oxide.
Example Embodiment
[0025] Example 2
[0026] (1) Disperse 10 g of graphene oxide in 500 ml of 50% ethanol aqueous solution to obtain the first suspension;
[0027] (2) Add 1g of 2-methyl-2-propen-1-ol, acrylic acid and aluminum hydride alkoxide with a mass ratio of 1:5:1 to the first suspension, heat to 80°C, and the reaction is complete Afterwards, a second suspension is obtained;
[0028] (3) Wash the second suspension with deionized water and centrifuge at a speed of 1500r / min to obtain a precipitate;
[0029] (4) Vacuum drying the precipitate under constant temperature conditions of 40°C to obtain modified graphene oxide.
Example Embodiment
[0030] Example 3
[0031] (1) Disperse 10 g of graphene oxide in 250 ml of 50% ethanol aqueous solution to obtain the first suspension;
[0032] (2) Add 3g of 2-methyl-2-propen-1-ol, acrylic acid and aluminum hydride alkoxide with a mass ratio of 3:3:1 to the first suspension, heat to 75°C, and the reaction is complete Afterwards, a second suspension is obtained;
[0033] (3) Wash the second suspension with deionized water and centrifuge at a speed of 1000 r / min to obtain a precipitate;
[0034] (4) Vacuum drying the precipitate under a constant temperature of 50°C to obtain modified graphene oxide.
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