Department of Chemistry, Chaudhary Charan Singh University, Meerut, Uttar Pradesh, India.
J Microencapsul. 2024 Nov;41(7):620-648. doi: 10.1080/02652048.2024.2386278. Epub 2024 Aug 5.
This article provides a brief description of microcapsule self-healing technique and its potential use in concrete structures. Because concrete is readily available and reasonably priced, it is widely utilised in the building industry globally, despite its susceptibility to the formation of cracks. The longevity and security of concrete buildings are greatly impacted by the existence of cracks and other deterioration occurring during the course of their use. Through the encapsulation of healing material inside microcapsules, which shows rupture upon cracking in cement-based materials, the microcapsule exhibits promise in accomplishing self-healing and increasing durability and strength in the structures. The article first explains the basic ideas behind the science of microcapsule self-healing and then looks at different ways to prepare microcapsules. It also looks into how adding microcapsules affects the basic characteristics of the concrete building. A summary of the efficiency and self-healing mechanisms of microcapsules is also provided.
本文简要介绍了微胶囊自修复技术及其在混凝土结构中的潜在应用。由于混凝土易于获取且价格合理,因此尽管其容易产生裂缝,但在全球建筑行业中得到了广泛应用。裂缝的存在以及在使用过程中发生的其他劣化现象,极大地影响了混凝土建筑物的耐久性和安全性。通过将愈合材料封装在微胶囊中,当水泥基材料发生破裂时,微胶囊会破裂,微胶囊有望实现自修复并提高结构的耐久性和强度。本文首先解释了微胶囊自修复技术的基本原理,然后探讨了制备微胶囊的不同方法。还研究了添加微胶囊如何影响混凝土建筑物的基本特性。本文还概述了微胶囊的效率和自修复机制。