Molecular Studies of Adhesion and De-Adhesion on ZnO Nanorod Film-Covered Metals
Molecular Studies of Adhesion and De-Adhesion on ZnO Nanorod Film-Covered Metals
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ZnO纳米棒薄膜覆盖金属粘附和脱粘附的分子研究
DOI：
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发表时间：
2013
期刊：
影响因子：
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通讯作者：
G. Grundmeier
中科院分区：
文献类型：
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作者：
O. Ozcan;K. Pohl;B. Ozkaya;G. Grundmeier
本文旨在研究ZnO纳米棒膜沉积对锌表面与模型环氧基胶粘剂在加和不加粘附促进剂3-氨基丙基膦酸（APPA）处理下的粘附性能的影响。采用接触角测量和ft - iras模拟磷酸盐-氧化锌界面湿脱附条件，研究了十八烷基膦酸（ODPA）单层在ZnO纳米棒表面的稳定性。在控制湿度的条件下进行了剥离试验，研究了模型环氧胺涂层与ZnO纳米棒表面的湿脱附。与裸锌相比，ZnO纳米棒薄膜的沉积导致剥离力显著增加。在appa处理的ZnO纳米棒薄膜中，宏观附着力的增加更为明显。高比表面积的ZnO纳米棒薄膜不仅可以吸附聚合物，还可以作为粘附促进剂，在改善工程金属的粘附性能方面具有广阔的前景。
This paper aims at the investigation of the effect of ZnO nanorod film deposition on the adhesion between a zinc surface and a model epoxy-based adhesive, with and without the adhesion promoter 3-aminopropylphosphonic acid (APPA) treatment. The stability of octadecylphosphonic acid (ODPA) monolayers on ZnO nanorod surfaces was investigated by means of contact angle measurements and FT-IRRAS to simulate wet de-adhesion conditions at the phosphonate-zinc oxide interface. Peel tests were performed under controlled humidity to study the wet de-adhesion of the model epoxy-amine coating from the ZnO nanorod surface. The deposition of ZnO nanorod films resulted in a significant increase of peel forces in comparison with bare zinc. In the case of APPA-treated ZnO nanorod films the increase of the macroscopic adhesion forces was more pronounced. The high surface area ZnO nanorod films provide for the adsorption of polymers as well as adhesion promoters and makes them promising candidates for improving the adhesion properties of engineering metals.