Advancing sustainable materials: characterization of pistachio shell and talc filled polyester composites

IF 2.2 4区化学 Q3 CHEMISTRY, PHYSICAL

Colloid and Polymer Science Pub Date : 2025-03-20 DOI:10.1007/s00396-025-05406-7

İdris Karagöz, İlayda Arslan Ocak, Aysu Çavuşoğlu, Harun Sepetçioğlu

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引用次数: 0

Abstract

This study aims to develop sustainable polyester hybrid composites by incorporating environmentally friendly fillers such as pistachio shell and talc into an orthophthalic polyester matrix. The goal is to produce cost-effective, eco-friendly materials for applications such as exterior cladding and electronic enclosures. The mechanical (tensile, flexural, impact), thermal (FT-IR, TGA, DSC), and physical (water absorption, hardness, density, gloss) properties of the prepared composites were tested. Pure polyester exhibited the highest tensile strength at approximately 50 MPa, while the addition of 40% pistachio shell reduced the mechanical properties by 69%. In contrast, the addition of talc increased the tensile strength by 55% compared to the composite with only pistachio shell. Talc also improved thermal stability (increasing the T5 temperature by 7% and Tmax by 2%) and reduced water absorption by 4%. The combination of both fillers optimized the material properties, providing a sustainable and high-performance alternative. These findings suggest that further optimization of filler content could improve performance and expand material applications.

Graphical abstract

From raw pistachio shell to composite: processing in a polyester matrix

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推进可持续材料：开心果壳和滑石粉填充聚酯复合材料的表征

本研究旨在通过将环保填料如开心果壳和滑石粉掺入邻视聚酯基体中，开发可持续的聚酯混合复合材料。目标是为外部覆层和电子外壳等应用生产具有成本效益的环保材料。测试了复合材料的力学性能（拉伸、弯曲、冲击）、热性能（FT-IR、TGA、DSC）和物理性能（吸水率、硬度、密度、光泽度）。纯聚酯的拉伸强度最高，约为50 MPa，而加入40%的开心果壳使其力学性能降低了69%。与只添加开心果壳的复合材料相比，添加滑石的复合材料的抗拉强度提高了55%。滑石还提高了热稳定性（T5温度提高7%，Tmax提高2%），吸水率降低4%。两种填料的组合优化了材料性能，提供了一种可持续的高性能替代品。这些发现表明，进一步优化填料含量可以改善性能并扩大材料的应用范围。图形摘要：从原始开心果壳到复合材料：在聚酯基体中加工

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来源期刊

Colloid and Polymer Science 化学-高分子科学

CiteScore

4.60

自引率

4.20%

发文量

111

审稿时长

2.2 months

期刊介绍： Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.