Transforming jute waste into high-performance biodegradable polyurethane bionanocomposites

IF 4.8 2区工程技术 Q1 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Pub Date : 2025-07-04 DOI:10.1007/s10570-025-06653-1

Dheeraj Ahuja, Lokesh Kumar, Savita Jain, Binayaka Nahak, Anupama Kaushik

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Abstract

Bionanocomposites have been synthesized by reinforcing cellulose nanofibers (CNFs) into lignopolyol based polyurethane (PU). Both lignin and cellulose nanofibers were isolated synchronously from waste discarded jute bags. The effect of cellulose nanofiller (concentration ranging from 0 to 15 wt.%) on mechanical properties, thermal stability and hydrolytic degradation of the synthesized PU/CNF nanocomposites was also examined both experimentally and statistically. The mechanical and thermal properties were studied using thermal gravimetric analysis (TGA-DTG) and tensile testing. The hydrolytic degradation of PU nanocomposites was studied in phosphate buffer saline (PBS) for 8 weeks. Multivariate analysis of variance (MANOVA) is utilized to analyze the effect of cellulose nanofiller concentration. The 10% addition of CNFs resulted in more than 600 ± 10% and 181% ± 8 increase in tensile strength and hydrolytic degradation. The MANOVA results demonstrated a significant correlation between cellulose nanofiller concentration and the mechanical properties, thermal stability, and hydrolytic stability of the nanocomposites.

Graphical Abstract

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将黄麻废料转化为高性能可生物降解的聚氨酯生物纳米复合材料

将纤维素纳米纤维（CNFs）增强为木质素多元醇基聚氨酯（PU），制备了生物纳米复合材料。从废弃的黄麻袋中同步分离出木质素和纤维素纳米纤维。实验和统计分析了纤维素纳米填料（浓度范围为0 ~ 15 wt.%）对合成的PU/CNF纳米复合材料的力学性能、热稳定性和水解降解的影响。采用热重分析（TGA-DTG）和拉伸试验研究了材料的力学性能和热性能。研究了PU纳米复合材料在磷酸盐缓冲盐水（PBS）中水解降解8周。采用多变量方差分析（MANOVA）分析纤维素纳米填料浓度的影响。当CNFs添加量为10%时，拉伸强度和水解降解性能分别提高600±10%和181%±8%。MANOVA结果表明，纤维素纳米填料浓度与纳米复合材料的力学性能、热稳定性和水解稳定性之间存在显著相关性。图形抽象

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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.