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首页> 外文期刊>Smart Materials & Structures >Magneto-active shape memory composites by incorporating ferromagnetic microparticles in a thermo-responsive polyalkenamer
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Magneto-active shape memory composites by incorporating ferromagnetic microparticles in a thermo-responsive polyalkenamer

机译：通过将铁磁微粒掺入热响应性聚烯烃中的磁活性形状记忆复合材料

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摘要

Covalently crosslinked semi-crystalline polyalkenamer-based shape memory polymers (SMPs) were prepared and characterized. Thermal and thermo-mechanical properties of thermo-sensitive polymers manufactured by melt compounding were investigated, and shape memory features demonstrated. For remote activation of shape recovery properties, electromagnetic inductive heating of a series of iron-based ferromagnetic microparticles was evaluated for subsequent incorporation into a shape memory polymeric matrix. The inductive heating capacity of micro-sized iron-filled polyalkenamers with different volume fraction contents was optimized and a comparison of thermo-mechanical properties of filled and unfilled shape memory polymeric networks was performed. Electromagnetically triggered shape memory properties of easily formed composites were documented and shape memory recovery rates comparable to those obtained by conventional heating methods were demonstrated for further research and design of new types of applications.
机译：制备并表征了基于共价交联的半结晶聚链烯基的形状记忆聚合物（SMP）。研究了通过熔融配混制备的热敏聚合物的热和热机械性能，并证明了形状记忆特性。为了远程激活形状恢复特性，评估了一系列铁基铁磁微粒的电磁感应加热，以便随后掺入形状记忆聚合物基体中。优化了具有不同体积分数含量的微尺寸铁填充聚烯烃的感应加热能力，并对填充和未填充形状记忆聚合物网络的热机械性能进行了比较。记录了容易形成的复合材料的电磁触发形状记忆特性，并证明了与传统加热方法可比的形状记忆恢复率可用于进一步研究和设计新型应用。

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