THE INFLUENCE OF DIFFERENT NANOFILLERS ON THERMAL PROPERTIES OF ENVIRONMENTALLY FRIENDLY POLYURETHANE HYBRID MATERIALS

Book of Proceedings: 1st International Conference on Chemo and BioInformatics, Pub Date : 2021-01-01 DOI:10.46793/iccbi21.113l

Jelena Lubura, O. Bera, M. Jovičić, Bojana Ikonić, P. Kojić, Dragan D. Govedarica, J. Pavličević

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Abstract

In the past decade, the extensive research is focused to the structuring of novel thermoplastic segmented polycarbonate-based polyurethanes (PC-PUs) with a high range of potential application, due to their good biostability, biocompatibility, mechanical and thermal resistance, melt-processability and rubber like characteristics at the service temperature. In this work, a series of advanced polyurethane hybrid systems were prepared following one-step procedure and by varying the content (0, 1, 2, 5 or 10 wt%) of alumina, titania and zinc-oxide nanoparticles. The influence of filler type (Al2O3, TiO2 or ZnO) and its content on thermal properties of obtained nanocomposites (glass transition temperature and melting of hard domains) were studied by differential scanning calorimetry. The obtained DSC results revealed that that the obtained elastomeric materials are very promising for their potential use in the condition of high service temperatures.

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不同纳米填料对环保聚氨酯杂化材料热性能的影响

在过去的十年中，由于其良好的生物稳定性、生物相容性、机械和热阻性、熔融加工性以及在使用温度下的橡胶特性，新型热塑性分段聚碳酸酯基聚氨酯(pc - pu)的结构得到了广泛的研究。在这项工作中，通过改变氧化铝、二氧化钛和氧化锌纳米颗粒的含量(0、1、2、5或10 wt%)，一步制备了一系列先进的聚氨酯混合体系。采用差示扫描量热法研究了填料类型(Al2O3、TiO2或ZnO)及其含量对纳米复合材料的热性能(玻璃化转变温度和硬畴熔化)的影响。DSC结果表明，所制备的弹性体材料在高温工况下具有良好的应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Book of Proceedings: 1st International Conference on Chemo and BioInformatics,

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