A Green-Modification Strategy for High-Performance Bamboo-Based Composites via Persimmon Lacquer and Iron Ion Complexation

IF 9.6 1区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Nano Letters Pub Date : 2025-02-10 DOI:10.1021/acs.nanolett.4c04936

Xiaoyan Li, Wencheng Lei, Fei Rao, Yongjie Bao, Shoujun Liao, Yuyue Zhang, Neng Li, Yahui Zhang, Yuhe Chen

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Abstract

Natural bamboo-based fiber composites offer unique advantages in terms of renewability and eco-friendliness. However, challenges such as dimensional stability in outdoor applications must be addressed. This study reports a straightforward method to impregnate oriented bamboo fiber mats with natural persimmon lacquer and ferrous sulfate to fabricate bamboo scrimber composite. The tannic acid from the persimmon lacquer formed complexes with iron ions, enhancing the water resistance of the bamboo scrimber composite, though slightly negatively impacting its mechanical properties. These complexes promoted a denser carbon structure, and the resulting metal oxides act as smoke inhibitors, reducing the total smoke production rate by 62.43%. Furthermore, the bamboo scrimber composite exhibited excellent mildew resistance, hydrophobicity, and color stability, making it suitable for outdoor flooring and furniture applications. The findings provide a green processing strategy to prepare high-performance bamboo-based fiber composites for outdoor construction and furniture use.

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天然竹纤维复合材料在可再生性和环保性方面具有独特的优势。然而，必须解决户外应用中的尺寸稳定性等难题。本研究采用一种简单的方法，用天然柿漆和硫酸亚铁浸渍定向竹纤维毡，从而制造出竹纤维复合材料。柿漆中的单宁酸与铁离子形成络合物，增强了竹纤维复合材料的耐水性，但对其机械性能略有负面影响。这些络合物促进了更致密的碳结构，由此产生的金属氧化物起到了烟雾抑制剂的作用，使总产烟率降低了 62.43%。此外，竹材纤维复合材料还表现出优异的防霉性、疏水性和颜色稳定性，使其适用于户外地板和家具应用。研究结果为制备户外建筑和家具用高性能竹基纤维复合材料提供了一种绿色加工策略。

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来源期刊

Nano Letters 工程技术-材料科学：综合

CiteScore

16.80

自引率

2.80%

发文量

1182

审稿时长

1.4 months

期刊介绍： Nano Letters serves as a dynamic platform for promptly disseminating original results in fundamental, applied, and emerging research across all facets of nanoscience and nanotechnology. A pivotal criterion for inclusion within Nano Letters is the convergence of at least two different areas or disciplines, ensuring a rich interdisciplinary scope. The journal is dedicated to fostering exploration in diverse areas, including: - Experimental and theoretical findings on physical, chemical, and biological phenomena at the nanoscale - Synthesis, characterization, and processing of organic, inorganic, polymer, and hybrid nanomaterials through physical, chemical, and biological methodologies - Modeling and simulation of synthetic, assembly, and interaction processes - Realization of integrated nanostructures and nano-engineered devices exhibiting advanced performance - Applications of nanoscale materials in living and environmental systems Nano Letters is committed to advancing and showcasing groundbreaking research that intersects various domains, fostering innovation and collaboration in the ever-evolving field of nanoscience and nanotechnology.