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首页> 外文期刊>Progress in Organic Coatings: An International Review Journal >A review on self-healing coatings based on microanocapsules
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A review on self-healing coatings based on microanocapsules

机译：基于微/纳米胶囊的自愈涂层的研究进展

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摘要

Polymer coating systems are classically applied on a metal surface to provide a dense barrier against the corrosive species. Coatings are susceptible to damage in the form of cracks, which form deep within the structure where detection is difficult and repair is almost impossible. Major advances for automatic repairing of defects have been made in the present decade within the field of self-healing polymeric materials. One of the most significant types of smart coatings is self-healing coating, which has the ability to release encapsulated active agents in a controlled way. They can be employed to develop a new family of smart multifunctional coatings. Incorporating microanocapsules in coating matrix provides release of repairing agent rapidly after triggering due to crack propagation in coatings and gifts the self-healing to the coatings. This review covers the effective parameters in synthesis of microanocapsules, several approaches to fabricate self-healing coatings based on these capsules and disadvantages of embedding them in coatings matrix. Current comprehensive review also provides all the knowledge of self-healing coatings based on microanocapsules to whom that are concerned with coatings and corrosion prevention.
机译：聚合物涂层系统通常应用在金属表面上，以提供对腐蚀物质的致密屏障。涂层易受裂纹形式的损坏，裂纹在结构内部深处形成，难以检测且几乎无法修复。在近十年来，在自修复聚合物材料领域中，缺陷的自动修复取得了重大进展。智能涂料最重要的类型之一是自修复涂料，它具有以受控方式释放封装的活性剂的能力。它们可用于开发智能多功能涂料的新系列。在涂料基质中掺入微/纳米胶囊可在触发后由于涂料中的裂纹扩展而迅速释放出修复剂，并赋予涂料自愈性。这篇综述涵盖了微/纳米胶囊合成中的有效参数，基于这些胶囊的自愈涂层的几种制备方法以及将它们嵌入涂层基质中的缺点。当前的综合综述还提供了与微涂层/纳米颗粒有关的自修复涂层的所有知识，这些涂层涉及防腐和防腐。

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