Transparent conductive hydrogel with adhesion as well as preparation method and application of transparent conductive hydrogel
A transparent conductive and hydrogel technology, applied in application, electrotherapy, viscous dressing, etc., can solve problems such as being unfavorable for large-scale production and difficult preparation methods, and achieve the effect of promoting passage and improving mechanical properties.
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Embodiment 1
[0053] 1. Preparation of MXene@polydopamine dispersion
[0054] Weigh 10 mL of MXene dispersion (2 mg / mL), slowly add 0.01 g of dopamine (DA), adjust the pH to 8.5 with Tris, and react for 10 h to obtain MXene@polydopamine dispersion.
[0055] 2. Preparation of MXene@polydopamine / polyacrylamide transparent conductive hydrogel
[0056] Argon gas was filled into the MXene / @polydopamine dispersion liquid, and then, under the condition of temperature control at 0.6℃~1.2℃, 1.25g acrylamide (AM), 0.005g crosslinking agent (BIS), 20μL catalyst (TMEDA ), 1g initiator (APS), react for 5min. Finally, the reaction was continued for 5 days at room temperature to obtain MXene@polydopamine / polyacrylamide transparent conductive hydrogel.
[0057] The physical photos of the hydrogel are as follows: figure 1 shown. It can be seen from the figure that the hydrogel is light yellow. The scanning electron microscope image of the hydrogel is shown in figure 2 As shown, it can be seen that it...
Embodiment 2
[0062] 1. Preparation of MXene@polydopamine dispersion
[0063] Weigh 15mL MXene dispersion (2mg / mL), slowly add 0.015g DA, adjust pH=8.5 with Tris, and react for 20min to obtain MXene@polydopamine dispersion.
[0064] 2. Preparation of MXene@polydopamine / polyacrylamide transparent conductive hydrogel
[0065] Fill the MXene@polydopamine dispersion with argon gas, and then add 1.25g of acrylamide (AM), 0.005g of cross-linking agent (BIS), and 20μL of catalyst (TMEDA) in sequence at a temperature of 0.6°C to 1.2°C. , 1g initiator (APS), react for 5min. Finally, the reaction was continued for 7 days at room temperature to obtain MXene@polydopamine / polyacrylamide transparent conductive hydrogel.
[0066] Similar to Example 1, the hydrogel prepared in this example has a light yellow color and a certain degree of transparency, and it can be connected to a circuit to make the light bulb glow, and can adhere well to the skin surface.
Embodiment 3
[0068] 1. Preparation of MXene@polydopamine dispersion
[0069] Weigh 20mL MXene dispersion (2mg / mL), slowly add 0.02g DA, adjust pH=8.5 with Tris, and react for 10h to obtain MXene / @polydopamine dispersion.
[0070] 2. Preparation of MXene@polydopamine / polyacrylamide transparent conductive hydrogel
[0071] Fill the MXene@polydopamine dispersion with argon gas, and then add 1.25g of acrylamide (AM), 0.005g of cross-linking agent (BIS), and 20μL of catalyst (TMEDA) in sequence at a temperature of 0.6°C to 1.2°C. , 1g initiator (APS), react for 5min. Finally, the reaction was continued for 6 days at room temperature to obtain MXene@polydopamine / polyacrylamide transparent conductive hydrogel.
[0072] The hydrogel prepared in this example is light yellow in color and has a certain degree of transparency, and can be connected to the circuit to make the light bulb glow, and can be well adhered to the skin surface.
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