Embedding Polysaccharide Thin Films in Digital Light Processing (DLP) for Biobased Composites

IF 4.4 2区化学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Polymer Materials Pub Date : 2025-05-05 DOI:10.1021/acsapm.5c0041910.1021/acsapm.5c00419

Roozbeh Abidnejad, Mehrdad Mousapour, Ziba Fathi, Sahar Babaeipour, Vishnu K. Arumughan, Ira Smal, Hossein Baniasadi*, Mika Salmi and Eero Kontturi*,

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引用次数: 0

Abstract

This research explores the production of polysaccharide-reinforced thin-film composites using digital light processing (DLP) 3D printing, aiming to advance options in reinforcing photocurable resin systems. Polysaccharide thin films─including cellulose nanofibers (CNF), TEMPO-oxidized cellulose nanofibers (ToCNF), chitin nanofibers (ChNF), and electrospun cellulose acetate (CA)─were synthesized and incorporated into resin matrices to develop innovative composites. The films and composites were fabricated and characterized for surface properties, mechanical strength, and thermal stability using contact angle measurements, Fourier transform infrared spectroscopy, scanning electron microscopy, profilometry, and thermogravimetric analysis. CNF composites exhibited superior tensile strength and modulus, while ChNF and CA composites demonstrated enhanced impact resistance and flexural properties due to their fibrous architecture. ToCNF composites showcased well-balanced mechanical performance attributed to the carboxyl groups introduced during oxidation. Thermal analysis revealed that CA composites had the highest onset degradation temperature and residual mass, indicating improved thermal stability. These findings highlight the potential of polysaccharide films as robust reinforcements for DLP resins, offering tailored structural properties based on thin film performance.

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生物基复合材料数字光处理（DLP）中嵌入多糖薄膜的研究

本研究探索了使用数字光处理（DLP） 3D打印生产多糖增强薄膜复合材料，旨在推进增强光固化树脂系统的选择。合成了包括纤维素纳米纤维（CNF）、tempo氧化纤维素纳米纤维（ToCNF）、几丁质纳米纤维（ChNF）和静电纺醋酸纤维素（CA）在内的多糖薄膜，并将其纳入树脂基体中，以开发创新的复合材料。利用接触角测量、傅里叶变换红外光谱、扫描电子显微镜、轮廓术和热重分析对薄膜和复合材料的表面性能、机械强度和热稳定性进行了表征。CNF复合材料具有优异的抗拉强度和模量，而ChNF和CA复合材料由于其纤维结构而具有增强的抗冲击性和抗弯性能。由于氧化过程中引入的羧基，ToCNF复合材料表现出良好的平衡力学性能。热分析表明，CA复合材料具有最高的起始降解温度和残余质量，表明热稳定性得到改善。这些发现突出了多糖薄膜作为DLP树脂增强剂的潜力，提供了基于薄膜性能的定制结构特性。

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

ACS Applied Polymer Materials Multiple-

CiteScore

7.20

自引率

6.00%

发文量

810

期刊介绍： ACS Applied Polymer Materials is an interdisciplinary journal publishing original research covering all aspects of engineering, chemistry, physics, and biology relevant to applications of polymers. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates fundamental knowledge in the areas of materials, engineering, physics, bioscience, polymer science and chemistry into important polymer applications. The journal is specifically interested in work that addresses relationships among structure, processing, morphology, chemistry, properties, and function as well as work that provide insights into mechanisms critical to the performance of the polymer for applications.