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Poly(N-isopropylacrylamide)-based Smart Hydrogels: Design, Properties and Applications
Progress in Materials Science ( IF 37.4 ) Pub Date : 2021-01-01 , DOI: 10.1016/j.pmatsci.2020.100702
Lin Tang , Ling Wang , Xiao Yang , Yiyu Feng , Yu Li , Wei Feng

Abstract Development of polymer-based smart materials, which can autonomously alter their physical and/or chemical properties when exposed to external stimuli, is a thriving research frontier in contemporary advanced functional materials science. Poly(N-isopropylacrylamide) (PNIPAM)-based smart hydrogels are known to exhibit distinct thermo-responsive properties near a lower critical solution temperature (LCST), which have found diverse promising applications such as smart coating, drug delivery, tissue regeneration, and artificial muscles. In this review, we provide an up-to-date account on the recent developments in advanced functional PNIPAM-based smart hydrogels and their emerging technological applications in the fields of smart actuators, photonic crystals, smart windows and novel biomedical applications. The fundamental design and synthetic strategies of PNIPAM-based smart hydrogels are discussed. Their unique properties, underlying mechanisms and potential applications in different fields are highlighted. Finally, this review provides a brief conclusion and enumerates the challenges and opportunities in this rising area of research and development involving these intriguing polymer-based advanced smart systems rooted in chemistry and materials science. It is expected that this review would provide significant insights for the development of reconfigurable and programmable advanced smart materials with numerous possibilities, prompting the rapid advancement of this highly interdisciplinary area, which encompasses materials science, polymer science, synthetic chemistry, device engineering, physics, biology, nanoscience and nanotechnology.

中文翻译:

基于聚(N-异丙基丙烯酰胺)的智能水凝胶:设计、性能和应用

摘要 聚合物基智能材料在受到外部刺激时可以自主改变其物理和/或化学性质,是当代先进功能材料科学的一个蓬勃发展的研究前沿。众所周知,基于聚(N-异丙基丙烯酰胺)(PNIPAM)的智能水凝胶在较低临界溶解温度(LCST)附近表现出独特的热响应特性,已发现多种有前景的应用,如智能涂层、药物输送、组织再生和人造肌肉。在这篇综述中,我们提供了基于先进功能性 PNIPAM 的智能水凝胶的最新发展及其在智能执行器、光子晶体、智能窗户和新型生物医学应用领域的新兴技术应用的最新进展。讨论了基于 PNIPAM 的智能水凝胶的基本设计和合成策略。突出了它们的独特性质、潜在机制和在不同领域的潜在应用。最后,这篇综述提供了一个简短的结论,并列举了这个新兴研究和开发领域的挑战和机遇,这些研究和开发涉及这些植根于化学和材料科学的有趣的基于聚合物的先进智能系统。预计该综述将为开发具有多种可能性的可重构和可编程的先进智能材料提供重要见解,促进这一高度跨学科领域的快速发展,包括材料科学、聚合物科学、合成化学、器件工程、物理学、生物学、纳米科学和纳米技术。
更新日期:2021-01-01
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