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糙叶波罗蜜(AH)纤维素微纤维、竹纤维在热塑性生物复合材料中的影响。

Influence of Artocarpus hirsutus (AH) cellulose micro fiber, bamboo fiber in thermoplastic biocomposites.

作者信息

Keerthiveettil Ramakrishnan Sumesh, Vijayananth Kavimani, Arivendan Ajithram, Ammarullah Muhammad Imam

机构信息

Department of Materials Engineering, Faculty of Mechanical Engineering, Czech Technical University in Prague, Prague 02, 12135, Karlovo Namesti 13, Czech Republic.

Department of Mechanical Engineering, Karpagam Academy of Higher Education, Coimbatore, 641021, Tamil Nadu, India.

出版信息

Sci Rep. 2025 Feb 7;15(1):4611. doi: 10.1038/s41598-025-88058-5.

Abstract

In this experiment Artocarpus hirsutus (AH) fiber was utilized as the filler material for bamboo fiber (NF)/polyethylene (PE) biocomposites. This was a waste to wealth approach by utilising biomaterial and also can reduce the use of PE plastics. The crystallinity index (Crl) of 45.1%, 56.4%, 67% was observed in AH, alkali treated (NaOH) and cellulose AH fiber respectively. The combination with 20 wt% NF/3 wt% cellulose AH filler observed better tensile and flexural strength. Agglomeration at 4, 5 wt% affects the flexural properties by lesser interfacial adhesion with filler/matrix phase, having properties reducing up to 20.3 MPa. Comparing to cellulose AH filler, both alkali treated and untreated AH filler combinations possess lesser flexural strength. The addition of natural fibers increases the tensile and flexural modulus property with better properties at 30 wt% NF/5 wt% cellulose AH filler combination. The Impact strength doesn't observe high influence with filler incorporation. This AH fiber hasn't been explored in detail for mechanical and hydrophilic properties with incorporation with PE matrix. This fabricated composite is suited for bioengineering applications.

摘要

在本实验中,糙叶桂木(AH)纤维被用作竹纤维(NF)/聚乙烯(PE)生物复合材料的填充材料。这是一种变废为宝的方法,通过利用生物材料,还可以减少PE塑料的使用。分别在AH、碱处理(NaOH)的AH纤维和纤维素AH纤维中观察到结晶度指数(Crl)为45.1%、56.4%、67%。20 wt% NF/3 wt%纤维素AH填料的组合具有更好的拉伸强度和弯曲强度。4 wt%、5 wt%时的团聚由于填料/基体相之间的界面附着力较小而影响弯曲性能,性能降低至20.3 MPa。与纤维素AH填料相比,碱处理和未处理的AH填料组合的弯曲强度都较低。天然纤维的添加提高了拉伸模量和弯曲模量性能,在30 wt% NF/5 wt%纤维素AH填料组合时性能更佳。冲击强度在加入填料后未观察到显著影响。对于与PE基体结合时的机械性能和亲水性而言,这种AH纤维尚未得到详细研究。这种制备的复合材料适用于生物工程应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0186/11805915/922b822c1aaa/41598_2025_88058_Fig1_HTML.jpg

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