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Shape memory properties of poly(methyl methacrylate-co--2-hydroxyethyl methacrylate)/poly(ethylene glycol) complexes RAPID COMMUNICATION

机译:聚(甲基丙烯酸甲酯-甲基-2-丙烯酸羟乙酯/聚乙二醇)配合物的形状记忆性能

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摘要

Poly(methyl methacrylate-co-2-hydroxyethyl methacrylate) [P(MMA-co-HEMA)] networks and linear poly(ethylene glycol) (PEG) can form complexes, which show shape memory properties due to a large difference in storage modulus (E') below and above its glass transition temperature (T_g). The morphology of prepared samples was analyzed using transmission electron microscopy (TEM) and X-ray diffraction (XRD) analysis. Differential scanning calorimetry (DSC) was used to investigate the thermal properties and dynamie mechanical analysis (DMA) to deter-mine the effect of temperature on the mechanical properties. It was found that the shape recovery ratio could reach 98 %.
机译:聚(甲基丙烯酸甲酯-甲基丙烯酸2-羟乙基酯)[P(MMA-co-HEMA)]网络和线性聚乙二醇(PEG)可以形成络合物,由于储能模量差异较大,因此显示出形状记忆特性(E')在其玻璃化转变温度(T_g)之下和之上。使用透射电子显微镜(TEM)和X射线衍射(XRD)分析分析制备的样品的形态。差示扫描量热法(DSC)用于研究热性能,并使用动态力学分析(DMA)来确定温度对机械性能的影响。发现形状恢复率可以达到98%。

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