Preparation method of polythiophene/graphene composite electromagnetic material
A graphene composite and electromagnetic material technology, applied in the field of materials, can solve the problems that affect the research and application of graphene, and it is difficult to disperse, so as to achieve the effect of promoting stability, strength, safety and environmental protection, and saving time
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Embodiment 1
[0024] A preparation method of polythiophene graphene composite electromagnetic material, comprising the following steps:
[0025] (1) Take 70 parts by weight of thiophene, add it to 9 times its weight in chloroform, stir evenly, add 4 parts by weight of 3-aminopropyltriethoxysilane, raise the temperature to 50°C, and ultrasonically for 2 hours, Chloroform was removed by distillation to obtain an aminated monomer;
[0026] (2) Take 110 parts by weight of graphene, add it to 98% sulfuric acid solution 40 times its weight, stir evenly, add 80 parts by weight of potassium permanganate, stir at 30°C for 20 hours, filter, and remove the precipitate Washed with water, dried at room temperature, added to deionized water 13 times its weight, ultrasonicated for 3 minutes, added aminated monomers, 4 parts by weight of polyvinylpyrrolidone, raised the temperature to 60 ° C, added 9 parts by weight of oleic acid, and kept warm Stir for 40-50 minutes to obtain amidated monomer graphene so...
Embodiment 2
[0031] A preparation method of polythiophene graphene composite electromagnetic material, comprising the following steps:
[0032] (1) Take 60 parts by weight of thiophene, add it to chloroform which is 6 times its weight, stir evenly, add 3 parts by weight of 3-aminopropyltriethoxysilane, raise the temperature to 45°C, and ultrasonically for 1 hour, Chloroform was removed by distillation to obtain an aminated monomer;
[0033] (2) Take 100 parts by weight of graphene, add it to 96% sulfuric acid solution that is 30 times its weight, stir evenly, add 75 parts by weight of potassium permanganate, stir at 25°C for 16 hours, filter, and remove the precipitate Washed with water, dried at room temperature, added to deionized water 10 times its weight, ultrasonicated for 2 minutes, added aminated monomers, 3 parts by weight of polyvinylpyrrolidone, raised the temperature to 50 ° C, added 6 parts by weight of oleic acid, and kept warm Stir for 40 minutes to obtain amidated monomer g...
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