刘超,郑萌,PRIYOTOMO Gadang,黄彦良,段继周,侯保荣

• 1:中国科学院海洋研究所

摘要(Abstract)：

纳米材料具有量子尺寸效应、表面效应、体积效应和宏观量子隧道效应等优点,其会改善传统材料的诸多性能。针对纳米材料是否增效防污的问题,为了深入理解纳米材料的添加对无锡自抛光防污涂料的主要性能的影响,通过超声-机械共混方法将纳米氧化锌与氧化石墨烯纳米材料添加到无锡自抛光防污涂料中,研究了纳米材料对无锡自抛光防污涂料表面性能、机械性能尤其是粘结强度和实海防污性能以及铜离子释放速率等的影响。浸泡前后,添加纳米材料的防污涂层的表面由疏水(接触角>90°)变为亲水(接触角约为70°),与未加纳米材料的防污涂层一致。添加0.1wt%纳米材料的防污涂层的粘接强度约在3.0～4.5 MPa,与未加纳米材料的防污涂层(约3.8 MPa)相比,粘接强度没有显著变化。添加纳米材料的防污涂层中铜离子释放速率稳定在约15～25μg/(cm~2·d)。此外,长达约180 d的实海浸泡挂板表面无任何海洋生物的附着。总之,少量纳米材料的添加可以在不明显牺牲表面性能、粘接强度等物理化学性能的前提下提高了无锡自抛光防污涂料的防污性能。

关键词(KeyWords)： 防污涂料;自抛光;纳米粒子;铜离子;影响因素;稳定性;应用

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发专项课题(2017YFB0903702);; 中科院先导专项课题(XDA13040404)

作者(Author): 刘超,郑萌,PRIYOTOMO Gadang,黄彦良,段继周,侯保荣

DOI: 10.13928/j.cnki.wrahe.2021.03.001

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