Silver-plated conductive aramid paper and preparation method thereof
A technology of aramid paper and Zhongyin, which is applied in papermaking, paper, physical treatment of paper, etc., can solve the problems of unfavorable large-scale fine production, low conductivity of conductive aramid fiber, and increased concentration of chemical reagents, and achieve high electromagnetic shielding efficiency , Excellent washing resistance and bending firmness, the effect of improving hydrophilicity
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Embodiment 1
[0030] (1) Cut a commercially purchased aramid paper substrate with a thickness of 0.18mm into a size of 5cm×5cm, soak it in 50% ethanol solution, wash it for 30min, take it out and dry it.
[0031] (2) The cleaned aramid paper substrate is subjected to plasma treatment at room temperature under the conditions of a nozzle height of 4 cm, a nozzle speed of 1 m / min, and a duty ratio of 80%.
[0032] (3) Put the plasma-treated aramid paper substrate into the silver nitrate solution with a concentration of 20g / L prepared in advance. After soaking for 30min, slowly add the glucose solution with a concentration of 30g / L to the silver nitrate solution. In the solution, after reacting for 24 hours, the aramid paper substrate was taken out, washed three times with deionized water, and then vacuum-dried at 60°C for 24 hours to obtain silver-plated conductive aramid paper.
[0033] The electrical resistance of the conductive aramid paper prepared in this example is 0.152Ω / sq. After placi...
Embodiment 2
[0036] (1) Cut a commercially purchased aramid paper substrate with a thickness of 0.18mm into a size of 5cm×5cm, soak it in 50% ethanol solution, wash it for 30min, take it out and dry it.
[0037] (2) The cleaned aramid paper substrate is subjected to plasma treatment at room temperature under the conditions of a nozzle height of 5 cm, a nozzle speed of 1 m / min, and a duty ratio of 80%.
[0038] (3) Put the plasma-treated aramid paper substrate into the silver nitrate solution with a concentration of 15g / L prepared in advance. After soaking for 30min, slowly add the glucose solution with a concentration of 30g / L to the silver nitrate solution. In the solution, after 24 hours of reaction, the aramid paper was taken out, washed three times with deionized water, and then vacuum-dried at 60° C. for 24 hours to obtain silver-plated conductive aramid paper.
[0039] The resistance of the conductive aramid paper prepared in this example is 0.051 Ω / sq. After washing the conductive a...
Embodiment 3
[0042] (1) Prepare 50% ethanol solution, cut a commercially purchased aramid paper with a thickness of 0.30 mm into 5 cm×5 cm, soak it, wash it for 60 min, take it out and dry it.
[0043] (2) The cleaned aramid paper is subjected to room temperature plasma treatment under the conditions of a nozzle height of 2 cm, a nozzle speed of 1 m / min, and a duty ratio of 30%.
[0044] (3) Put the plasma-treated aramid paper into the silver nitrate solution with a concentration of 5g / L prepared in advance. After soaking for 60min, slowly drop the glucose solution with a concentration of 10g / L into the silver nitrate solution In the process, after the reaction was carried out for 36 hours, the aramid paper was taken out, washed three times with deionized water, and then vacuum-dried at 60° C. for 24 hours to obtain silver-plated conductive aramid paper.
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