Durable superhydrophobic cotton fabrics with electromagnetic wave absorption based on MoS2/RGO composites

IF 4.9 2区工程技术 Q1 MATERIALS SCIENCE, PAPER & WOOD Cellulose Pub Date : 2024-10-07 DOI:10.1007/s10570-024-06195-y

Yangfang Cai, Lihui Xu, Hong Pan, Hong Zhao, Chengjian Yao, Qun Yang, Yong Shen, Liming Wang, Meiran Dou, Yi Teng, Yingxiu Zhang, Lei Hu, Yihong Wang

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Abstract

Durable superhydrophobic fabrics with electromagnetic wave absorption were highly valuable in practical applications. In this work, durable superhydrophobic cotton fabrics with electromagnetic wave absorption were successfully prepared by modifying the cotton fabrics with polydopamine (PDA) and then depositing MoS₂/RGO (MR) composites and polydimethylsiloxane (PDMS). The surface morphology, crystal structure, and thermal degradation properties of the obtained products were evaluated. The PDA modification enhanced the affinity and adsorption saturation between the fabrics and the MR composites. Here, the MR composites provided the fabrics with wave-absorbing components and rough micro/nanostructure, and the PDMS offered lower surface energy for the treated fabrics. Ultimately, the water contact angle (WCA) of the obtained cotton fabrics could reach 157.2 ± 0.4 ° and the minimum reflection loss (RL_min) was −45.3 dB at 11.1 GHz, which showed excellent superhydrophobicity and microwave absorption properties. In addition, the obtained cotton fabrics displayed excellent robustness against rubbing, bending, and laundrying and satisfactory chemical stability. This research showed promising prospects for the development of wearable materials with durable electromagnetic wave absorption.

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基于 MoS2/RGO 复合材料的具有电磁波吸收功能的耐用超疏水棉织物

具有电磁波吸收功能的耐用超疏水织物在实际应用中极具价值。本研究通过对棉织物进行聚多巴胺（PDA）改性，然后沉积 MoS2/RGO （MR）复合材料和聚二甲基硅氧烷（PDMS），成功制备了具有电磁波吸收功能的耐用超疏水棉织物。对所得产品的表面形态、晶体结构和热降解性能进行了评估。PDA 改性增强了织物与 MR 复合材料之间的亲和力和吸附饱和度。在这里，MR 复合材料为织物提供了吸波成分和粗糙的微/纳米结构，而 PDMS 则为处理过的织物提供了更低的表面能。最终，得到的棉织物的水接触角（WCA）达到 157.2 ± 0.4 °，在 11.1 GHz 频率下的最小反射损耗（RLmin）为-45.3 dB，显示出优异的超疏水性和微波吸收特性。此外，所获得的棉织物还具有出色的耐摩擦、耐弯曲、耐洗涤性和令人满意的化学稳定性。这项研究为开发具有持久电磁波吸收能力的可穿戴材料展示了广阔的前景。

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来源期刊

Cellulose 工程技术-材料科学：纺织

CiteScore

10.10

自引率

10.50%

发文量

580

审稿时长

3-8 weeks

期刊介绍： Cellulose is an international journal devoted to the dissemination of research and scientific and technological progress in the field of cellulose and related naturally occurring polymers. The journal is concerned with the pure and applied science of cellulose and related materials, and also with the development of relevant new technologies. This includes the chemistry, biochemistry, physics and materials science of cellulose and its sources, including wood and other biomass resources, and their derivatives. Coverage extends to the conversion of these polymers and resources into manufactured goods, such as pulp, paper, textiles, and manufactured as well natural fibers, and to the chemistry of materials used in their processing. Cellulose publishes review articles, research papers, and technical notes.