Trapped entanglements in polymer networks: formation and characterization

IF 14 2区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Trends in Chemistry Pub Date : 2024-06-22 DOI:10.1016/j.trechm.2024.05.005
Fu-Sheng Wang, Leah M. Kosovsky, Erin C. Krist, Benjamin J. Kruse, Aleksandr V. Zhukhovitskiy
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Abstract

The presence of entanglements in polymer networks has been known since the 1940s. These topological crosslinks have been found to strongly affect mechanical properties of the materials, including stiffness, extensibility, and toughness. However, control over the entanglement density and topology remains a challenge. Furthermore, entanglements are invisible to conventional chemical characterization methods, rendering their characterization a challenge in its own right. Recent endeavors in the realm of polymer entanglements have focused on unraveling the nature of entanglements and leveraging this knowledge to enhance the mechanical properties of soft materials. This review covers the latest breakthroughs in controlling and characterizing the formation of trapped entanglements in polymer networks and offers an outlook on the trajectory of this evolving field.

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聚合物网络中的捕获纠缠:形成与表征
早在 20 世纪 40 年代,人们就已经知道聚合物网络中存在缠结。研究发现,这些拓扑交联会对材料的机械性能(包括刚度、延展性和韧性)产生强烈影响。然而,对纠缠密度和拓扑结构的控制仍然是一项挑战。此外,缠结在传统的化学表征方法中是不可见的,因此其表征本身就是一项挑战。近年来,聚合物纠缠领域的研究重点是揭示纠缠的本质,并利用这些知识提高软材料的机械性能。这篇综述介绍了在控制和表征聚合物网络中缠结的形成方面取得的最新突破,并对这一不断发展的领域的发展轨迹进行了展望。
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来源期刊
Trends in Chemistry
Trends in Chemistry CHEMISTRY, MULTIDISCIPLINARY-
CiteScore
28.00
自引率
0.60%
发文量
138
期刊介绍: Trends in Chemistry serves as a new global platform for discussing significant and transformative concepts across all areas of chemistry. It recognizes that breakthroughs in chemistry hold the key to addressing major global challenges. The journal offers readable, multidisciplinary articles, including reviews, opinions, and short pieces, designed to keep both students and leading scientists updated on pressing issues in the field. Covering analytical, inorganic, organic, physical, and theoretical chemistry, the journal highlights major themes such as biochemistry, catalysis, environmental chemistry, materials, medicine, polymers, and supramolecular chemistry. It also welcomes articles on chemical education, health and safety, policy and public relations, and ethics and law.
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