Method for preparing multi-component graphene/polyurethane elastomer composite material
A polyurethane elastomer and composite material technology, applied in the field of electronic composite materials, can solve the problems of elasticity of composite materials, imperfect adaptability to tensile deformation and bending deformation environment, weakening sensitive changes in stretching, etc., and achieves low cost and application. Extensive, easy-to-use effects
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Embodiment 1
[0026] The present embodiment provides a kind of preparation method of multi-component graphene / polyurethane elastomer composite material, the flow process of this method is as attached figure 1 As shown, the specific steps are as follows:
[0027] 1. Deposit three-dimensional graphene on nickel foam by chemical vapor deposition. The growth condition of graphene is normal pressure growth, the growth temperature is 700°C, the mixed gas of argon, hydrogen and methane (argon: hydrogen: methane = 200:80:5) is introduced, and the growth time is controlled at 60min. Three-dimensional graphene network skeleton of nickel foam etched.
[0028] 2. The graphene film on the square nickel foam is uniformly coated with a PMMA solution with a concentration of 0.1%, and heated in a vacuum drying oven for 10 minutes at a heating temperature of 150°C. Then put the sample coated with PMMA into 1M HCl at a constant temperature of 80° C., and the etching time is 24 hours. After etching, the sam...
Embodiment 2
[0037] The present embodiment provides a kind of preparation method of multi-component graphene / polyurethane elastomer composite material, the flow process of this method is as attached figure 1 As shown, the specific steps are as follows:
[0038] 1. Deposit three-dimensional graphene on nickel foam by chemical vapor deposition. The graphene growth condition is normal pressure growth, the growth temperature is 1100 ° C, and the mixed gas of argon, hydrogen and methane (argon: hydrogen: methane = 200:80:5) is introduced, and the growth time is controlled at 10 minutes. Three-dimensional graphene network skeleton of nickel foam etched.
[0039] 2. The graphene film on the square nickel foam is uniformly coated with a PMMA solution with a concentration of 1.5%, and heated in a vacuum drying oven for 60min at a heating temperature of 80°C. Then put the sample coated with PMMA into 5M HCl at a constant temperature of 80° C., and the etching time is 6 hours. After etching, the s...
Embodiment 3
[0048] The present embodiment provides a kind of preparation method of multi-component graphene / polyurethane elastomer composite material, the flow process of this method is as attached figure 1 As shown, the specific steps are as follows:
[0049] 1. Deposit three-dimensional graphene on nickel foam by chemical vapor deposition. The growth condition of graphene is normal pressure growth, the growth temperature is 800°C, the mixed gas of argon, hydrogen and methane (argon: hydrogen: methane = 200:80:5) is introduced, and the growth time is controlled at 40min. Three-dimensional graphene network skeleton of nickel foam etched.
[0050] 2. The graphene film on the square nickel foam is uniformly coated with a PMMA solution with a concentration of 1%, and heated in a vacuum drying oven for 30min at a heating temperature of 100°C. Then put the sample coated with PMMA into 3M HCl at a constant temperature of 80° C., and the etching time is 15 hours. After etching, the sample was...
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Abstract
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