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Probing the formation and degradation of chemical interactions from model molecule/metal oxide to buried polymer/metal oxide interfaces
npj Materials Degradation ( IF 6.6 ) Pub Date : 2019-06-06 , DOI: 10.1038/s41529-019-0085-2
Sven Pletincx , Laura Lynn I. Fockaert , Johannes M. C. Mol , Tom Hauffman , Herman Terryn

The mechanisms governing coating/metal oxide delamination are not fully understood, although adhesive interactions at the interface are considered to be an important prerequisite for excellent durability. This review aims to better understand the formation and degradation of these interactions. Developments in adhesion science made it clear that physical and chemical interfacial interactions are key factors in hybrid structure durability. However, it is very challenging to get information directly from the hidden solid/solid interface. This review highlights approaches that allow the (in situ) investigation of the formation and degradation of molecular interactions at the interface under (near-)realistic conditions. Over time, hybrid interfaces tend to degrade when exposed to environmental conditions. The culprits are predominantly water, oxygen, and ion diffusion resulting in bond breakage due to changing acid–base properties or leading to the onset of corrosive de-adhesion processes. Therefore, a thorough understanding on local bond interactions is required, which will lead to a prolonged durability of hybrid systems under realistic environments.



中文翻译:

探索从模型分子/金属氧化物到掩埋的聚合物/金属氧化物界面的化学相互作用的形成和降解

尽管认为界面处的粘合剂相互作用是获得出色耐久性的重要先决条件,但仍未完全理解控制涂层/金属氧化物脱层的机理。这篇综述旨在更好地了解这些相互作用的形成和降解。粘合科学的发展清楚地表明,物理和化学界面相互作用是混合结构耐久性的关键因素。但是,直接从隐藏的实体/实体界面获取信息非常具有挑战性。这篇综述着重介绍了允许(在原地)研究(接近)现实条件下界面处分子相互作用的形成和降解的方法。随着时间的流逝,混合接口在暴露于环境条件下时往往会退化。罪魁祸首主要是水,氧气,离子扩散会由于酸碱性质的变化而导致键断裂,或导致腐蚀性脱粘过程的开始。因此,需要对局部键的相互作用有透彻的了解,这将导致混合系统在现实环境中的耐久性得以延长。

更新日期:2019-06-06
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