Preparation and properties of natural rubber composite with CoFe2O4-immobilized biomass carbon

文献类型： 外文期刊

第一作者： Zhao, Pengfei

作者： Zhao, Pengfei;Liao, Lusheng;Cui, Haipeng;Zhao, Yanfang;Long, Aichun;Liao, Jianhe

作者机构：

关键词： natural rubber; biomass carbon; mechanical mixing; microwave absorbing performance; composite

期刊名称：E-POLYMERS （ 影响因子：3.074； 五年影响因子：2.364 ）

ISSN： 1618-7229

年卷期： 2022 年 22 卷 1 期

页码：

收录情况： SCI

摘要： Designing versatile rubber as a multifunctional elastomer is of great importance, incorporating it with biomass-derived nanoblocks will mitigate environmental challenges. Here biosynthesized natural rubber (NR) composites with CoFe2O4-immobilized biomass carbon (BC) derived from macadamia nutshells were fabricated by facile mechanical mixing. Morphological analysis indicates that CoFe2O4 nanoparticles are uniformly anchored on the surface of BC, forming intact electromagnetic loss networks in NR matrix. As a consequence, the as-fabricated NR/CoFe2O4@BC composites demonstrate enhanced mechanical, thermal, and electromagnetic performance. Particularly, NR/CoFe2O4@BC composite shows the best microwave attenuation capacity when CoFe2O4@BC loading is 40 phr, with the minimum reflection loss (RL) of -35.00 dB and effective absorption bandwidth (RL < -10 dB) of 1.60 GHz. All results indicate that this work open new paradigm for multiple applications based on biosynthetic elastomer with the sustainable biomass derived nanoblocks.

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