Suethao Supitta, Prasopdee Thridsawan, Buaksuntear Kwanchai, Shah Darshil U, Smitthipong Wirasak
Specialized Center of Rubber and Polymer Materials in Agriculture and Industry (RPM), Department of Materials Science, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.
Department of Mechanical Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi, Bangkok 10150, Thailand.
Polymers (Basel). 2022 Aug 11;14(16):3276. doi: 10.3390/polym14163276.
Shape memory elastomers have revolutionised the world since their introduction in the 20th century. The ability to tailor chemical structures to produce a family of materials in wide-ranging forms with versatile properties has propelled them to be ubiquitous. Recent challenges in the end-of-life management of polymeric materials should prompt us to ask, 'what innovations in polymeric materials can make a strong case for their use as efficient materials?' The development of smart elastomers that can acquire, convey, or process a stimulus (such as temperature, pressure, electromagnetic field, moisture, and chemical signals) and reply by creating a useful effect, specifically a reversible change in shape, is one such innovation. Here, we present a brief overview of shape memory elastomers (SMEs) and thereafter a review of recent advances in their development. We discuss the complex processing of structure-property relations and how they differ for a range of stimuli-responsive SMEs, self-healing SMEs, thermoplastic SMEs, and antibacterial and antifouling SMEs. Following innovations in SEMs, the SMEs are forecast to have significant potential in biotechnology based on their tailorable physical properties that are suited to a range of different external stimuli.
自20世纪问世以来，形状记忆弹性体彻底改变了世界。通过定制化学结构来生产一系列具有广泛形式和多样性能的材料的能力，促使它们无处不在。聚合物材料在生命周期末端管理方面的最新挑战，应该促使我们思考：“聚合物材料的哪些创新能够有力地证明它们可作为高效材料使用？” 智能弹性体的开发就是这样一种创新，它能够获取、传递或处理一种刺激（如温度、压力、电磁场、湿度和化学信号），并通过产生有用的效果，特别是形状的可逆变化来做出响应。在此，我们简要概述形状记忆弹性体（SMEs），然后回顾其发展的最新进展。我们讨论结构 - 性能关系的复杂过程，以及它们在一系列刺激响应型SMEs、自愈合SMEs、热塑性SMEs以及抗菌和防污SMEs中有何不同。随着形状记忆弹性体的创新，基于其适合一系列不同外部刺激的可定制物理特性，预计SMEs在生物技术领域具有巨大潜力。
