Construction of micro-nanostructured morphology on ramie fabric based on the natural hierarchical structure and its functionalization

IF 4.8 2区工程技术 Q1 MATERIALS SCIENCE, PAPER & WOOD Cellulose Pub Date : 2025-02-14 DOI:10.1007/s10570-025-06384-3

Mengfan Jing, Fukang Cao, Zerun Zhang, Shasha Wu, Yue Ren, Yaming Wang, Chuntai Liu, Changyu Shen

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Abstract

Natural cellulose fibers have a unique hierarchical structure, starting from nanofibers, to microfiber bundles, and consequent to large scale fibers. This work wants to utilize this characteristic to tailor the surface morphology of plant-based fabrics in situ, avoiding complex separate washing process, and explore their functional applications. Specifically, ramie fabric was moderately oxidated using the 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO)/NaClO₂/NaClO system. The scanning electron microscopy results show that a large number of cellulose micro-nanofibers can protrude from the fiber surface on the TEMPO-mediated oxidized ramie fabric (TORF) by controlling the reagent additions, which enlarges the specific surface area of the fabric. Subsequently, the crystal structure, chemical structure, carboxylate content and mechanical properties of the fabrics with different degrees of oxidation were determined in detail. In addition, the TORF was successfully modified by carbon nanotubes (CNTs) through simple physical adsorption. The electrical conductivity of the CNT-modified TORF increases with the oxidation degree of the fabric. Moreover, it shows application potential in fields such as electric heating. Based on the natural hierarchical structure, this work provides new ideas for the surface structure tailoring of natural plant fabrics and fibers, and also provides a platform for fabric functionalization.

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基于自然层次结构的苎麻织物微纳结构形态构建及其功能化

天然纤维素纤维具有独特的层次结构，从纳米纤维到微纤维束，再到大尺度纤维。本工作希望利用这一特性来原位定制植物基织物的表面形态，避免复杂的单独洗涤过程，并探索其功能应用。具体来说，使用2,2,6,6-四甲基哌啶-1-氧(TEMPO)/NaClO2/NaClO体系对苎麻织物进行适度氧化。扫描电镜结果表明，通过控制试剂的添加量，tempo介导的氧化苎麻织物（TORF）表面可以突出大量的纤维素微纳米纤维，从而增大了织物的比表面积。随后，详细测定了不同氧化程度织物的晶体结构、化学结构、羧酸盐含量和力学性能。此外，通过简单的物理吸附，碳纳米管（CNTs）成功地修饰了TORF。碳纳米管修饰的TORF的导电性随着织物氧化程度的增加而增加。此外，它在电加热等领域也显示出应用潜力。本工作基于天然的层次结构，为天然植物织物和纤维的表面结构裁剪提供了新的思路，也为织物功能化提供了平台。图形抽象

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文献相关原料

公司名称

产品信息

阿拉丁

NaClO?

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.