Preparation and properties of natural rubber composite with CoFe2O4-immobilized biomass carbon
文献类型： 外文期刊
作者： Cui, Haipeng 2 ; Zhao, Pengfei 1 ; Liao, Lusheng 1 ; Zhao, Yanfang 2 ; Long, Aichun 2 ; Liao, Jianhe 2 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Guangdong Prov Key Lab Nat Rubber Proc, Zhanjiang 524001, Peoples R China
2.Hainan Univ, Sch Mat Sci & Engn, Hainan Prov & Minist Educ, Ctr Nat Rubber Cooperat Innovat, Haikou 570228, Hainan, Peoples R China
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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