Optimized fabrication of three-component supramolecular nanocomposite films for the simultaneous enhancement of various mechanical and thermal properties

IF 4.9 2区工程技术 Q1 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Pub Date : 2025-02-21 DOI:10.1007/s10570-024-06363-0

Dah Hee Kim, Yun Ju Kim, Byung Kyu Jeon, Young Ki Park, Young Jun Kim, Dong Hyup Park, No Hyung Park, Eui Sang Yoo, Byoung-Sun Lee, Jun Choi

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引用次数: 0

Abstract

Cellulose offers potential applications across various fields, enhancing the mechanical strength, insulation properties, and high-temperature resistance of fiber-reinforced composites through its high aspect ratio characteristics. Despite this, challenges remain due to difficulties in dispersion within the polymer matrix and chemical compatibility. In this study, we fabricated three-component supramolecular nanocomposite films, exploring their morphology, mechanical, and thermal properties. The films were reinforced with heterocyclic aramid nanofibers and cellulose nanocrystals in a poly(vinyl alcohol) (PVA) matrix. Additionally, we describe the production of heterocyclic aramid nanofibers using a microreactor. The findings reveal that the nanocomposites exhibit enhanced strength and toughness due to robust hydrogen bonding between the matrix and fillers. Optimal results were obtained with a composition of 3 wt% heterocyclic aramid nanofiber and 5 wt% cellulose nanocrystals in PVA, displaying a 2–5 fold increase in tensile strength, Young’s modulus, and elongation at break compared to pure PVA. Additionally, these films showed improved electronic breakdown strength and thermal stability. These findings highlight the potential of integrating heterocyclic aramid nanofibers and cellulose nanocrystals as innovative polymer reinforcement materials.

Graphical abstract

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优化三组分超分子纳米复合薄膜的制备，同时提高各种机械和热性能

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.