Role of Mechanical Factors in Applications of Stimuli-Responsive Polymer Gels - Status and Prospects.
Role of Mechanical Factors in Applications of Stimuli-Responsive Polymer Gels - Status and Prospects.
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DOI：
10.1016/j.polymer.2016.08.068
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发表时间：
2016-09-28
期刊：
影响因子：
4.6
通讯作者：
Dzenis YA
中科院分区：
文献类型：
--
作者：
Goponenko AV;Dzenis YA
由于其独特的特性，例如响应环境微小变化而发生体积的多重变化、与软生物组织的相似性、在潮湿环境中操作的能力以及化学可定制性，刺激响应凝胶代表了一种多功能且非常有前途的传感器、肌肉型执行器、生物医学应用和自主智能结构材料。这些材料在实际应用中的成功很大程度上取决于它们满足特定应用机械要求的能力。本文概述了共价聚合物凝胶的最新应用驱动开发，特别强调了相关的机械因素和性能。简要介绍了凝胶膨胀机制和对刺激响应凝胶重要的机械特性。该综述强调了这些材料更广泛应用的主要障碍，并讨论了克服这些障碍的最新进展和潜在的未来方向，包括互穿网络、均质网络、纳米复合材料和纳米丝凝胶。
Due to their unique characteristics such as multifold change of volume in response to minute change in the environment, resemblance of soft biological tissues, ability to operate in wet environments, and chemical tailorability, stimuli responsive gels represent a versatile and very promising class of materials for sensors, muscle-type actuators, biomedical applications, and autonomous intelligent structures. Success of these materials in practical applications largely depends on their ability to fulfill application-specific mechanical requirements. This article provides an overview of recent application-driven development of covalent polymer gels with special emphasis on the relevant mechanical factors and properties. A short account of mechanisms of gel swelling and mechanical characteristics of importance to stimuli-responsive gels is presented. The review highlights major barriers for wider application of these materials and discusses latest advances and potential future directions toward overcoming these barriers, including interpenetrating networks, homogeneous networks, nanocomposites, and nanofilamentary gels.