Magnetic-responsive triple shape memory polymer from bio-based benzoxazine/urethane polymer alloys with iron oxide nanoparticles

IF 9.9 Q1 MATERIALS SCIENCE, COMPOSITES
Kullanard Ruenpanya , Phattarin Mora , Panagiotis Karagiannidis , Kittipon Bunyanuwat , Sarawut Rimdusit
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Abstract

Novel magnetic-responsive triple shape memory polymers (SMPs) derived from bio-based benzoxazine-urethane (V-fa/PU) polymer alloys containing iron oxide nanoparticles (Fe3O4 NPs) were developed in this work. Shape memory effect and curing behavior of the alloys were investigated at various bio-based PU contents. The polymerization of V-fa/PU polymer alloys with a heterogeneous network generated a broad glass transition temperature, which is a crucial feature for the development of triple SMPs. The influence of Fe3O4 NPs incorporation into the polymer nanocomposites on the SMP performance triggered by magnetic fields was also investigated. It was found that the addition of Fe3O4 NPs can enhance the dynamic mechanical properties and magnetic characteristics of the V-fa/PU polymer alloys thanks to the superparamagnetic property of Fe3O4 NPs. Moreover, the performance of the SMPs based on V-fa/PU polymer nanocomposites filled with Fe3O4 NPs showed high shape fixity of up to 98%, a shape recovery of 98%, and a recovering time of 8 s. Furthermore, bio-based V-fa/PU polymer alloys containing Fe3O4 NPs were developed as magnetic responsive triple SMPs with shape fixity in the range of 95–97% and shape recovery in the range of 85–95%. The results suggested that magnetic responsive triple SMPs from bio-based V-fa/PU polymer alloys filled with Fe3O4 NPs are promising candidate for advanced applications.

Abstract Image

生物基苯并恶嗪/聚氨酯聚合物合金与氧化铁纳米粒子的磁响应三重形状记忆聚合物
以含氧化铁纳米颗粒(Fe3O4 NPs)的生物基苯并杂嗪-氨基甲酸乙酯(V-fa/PU)聚合物合金为原料,制备了新型磁响应型三重形状记忆聚合物(SMPs)。研究了不同生物基PU含量下合金的形状记忆效应和固化行为。V-fa/PU聚合物合金的非均相网络聚合产生了较宽的玻璃化转变温度,这是三重smp发展的关键特征。研究了fe3o4nps掺入到聚合物纳米复合材料中对磁场触发SMP性能的影响。结果表明,Fe3O4 NPs的超顺磁性能提高了V-fa/PU聚合物合金的动态力学性能和磁性能。此外,以Fe3O4 NPs填充的V-fa/PU聚合物纳米复合材料制备的SMPs具有较高的形状固定性,其形状固定性可达98%,形状回收率为98%,恢复时间为8 s。此外,制备了含Fe3O4 NPs的生物基V-fa/PU聚合物合金作为磁响应的三重SMPs,其形状固形性在95 ~ 97%之间,形状回收率在85 ~ 95%之间。结果表明,由Fe3O4 NPs填充的生物基V-fa/PU聚合物合金制成的磁响应三重SMPs具有很好的应用前景。
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来源期刊
Advanced Industrial and Engineering Polymer Research
Advanced Industrial and Engineering Polymer Research Materials Science-Polymers and Plastics
CiteScore
26.30
自引率
0.00%
发文量
38
审稿时长
29 days
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