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溶胶-凝胶法制备仿猪笼草润滑表面

Shandong Chemical Industry(2019)

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Abstract
仿荷叶制备的超疏水表面存在对低表面能液体的防润湿性能差、压力稳定性差等缺点,仿猪笼草效应制备的灌注润滑液的光滑多孔表面(SLIPS,Slippery Liquid-Infused Porous Surface)具有自清洁、自修复和热稳定性好等诸多优点.本文以聚丙烯(PP)塑料和玻璃板(Glass)为基底,使用聚多巴胺/聚乙烯亚胺(PDA/PEI)作为活性层,促进四甲氧基硅烷(TMOS)矿化沉积生成二氧化硅纳米粒子(SiNPs),将溶胶-凝胶法粗糙化的表面,再经氟化和灌油处理,最终得到仿猪笼草的润滑表面.这种SLIPS光滑表面具有优异的自清洁性能和良好的透明度.
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