Replacing plastic automotive interiors with bamboo: a study on the mechanical and flame-retardant properties of melamine polyphosphate-modified bamboo fiber-reinforced composites

IF 3.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Materials Science Pub Date : 2024-11-27 DOI:10.1007/s10853-024-10227-0

Yinxuan Li, Zhitong Yuan, Mingpeng Li, Shaohua Gu, Cuicui Wang, Haitao Cheng

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引用次数: 0

Abstract

Bamboo fiber-reinforced composites, noted for their light weight, have seen application in automotive interior components. However, their flammability presents significant risks to vehicular safety. In this study, melamine polyphosphate (MPP) was used to flame-retardant modify bamboo flour (BF) reinforced polypropylene (PP)/ poly (lactic acid) (PLA) composites. The results showed that MPP are contribute to enhancing the thermal stability and improving the flame retardancy of composites. Notably, the peak of heat release rate (629.66 kW/m²) of BF reinforced PP/PLA composites containing 5% MPP was reduced by 35.23% compared to unmodified composites (972.09 kW/m²). Besides, compared with other composites, composites containing 5% MPP constituted the lowest fire hazard. In terms of mechanics, it is notable that MPP could significantly enhance the flexural and tensile moduli of the composites. Meanwhile, composites containing 5% MPP yielded the optimal flexural strength (41.52 MPa) and tensile strength (53.79 MPa). These results suggest that MPP is a viable candidate for flame-retardant modification of BF reinforced PP/PLA composites, offering potential for use in automotive interior components.

Graphical abstract

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以竹代替塑料汽车内饰：三聚氰胺聚磷酸酯改性竹纤维增强复合材料的力学性能和阻燃性能研究

竹纤维增强复合材料，以其重量轻而闻名，已在汽车内饰部件中得到应用。然而，它们的可燃性给车辆安全带来了重大风险。本研究采用三聚氰胺聚磷酸（MPP）对竹粉（BF）增强聚丙烯(PP)/聚乳酸（PLA）复合材料进行阻燃改性。结果表明，MPP的加入有助于提高复合材料的热稳定性和阻燃性。值得注意的是，含有5% MPP的BF增强PP/PLA复合材料的放热率峰值（629.66 kW/m2）比未改性的复合材料（972.09 kW/m2）降低了35.23%。此外，与其他复合材料相比，MPP含量为5%的复合材料的火灾危险性最低。力学方面，MPP可以显著提高复合材料的弯曲模量和拉伸模量。同时，复合材料的抗折强度为41.52 MPa，抗拉强度为53.79 MPa。这些结果表明，MPP是BF增强PP/PLA复合材料阻燃改性的可行候选材料，具有在汽车内饰部件中的应用潜力。图形抽象

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来源期刊

Journal of Materials Science 工程技术-材料科学：综合

CiteScore

7.90

自引率

4.40%

发文量

1297

审稿时长

2.4 months

期刊介绍： The Journal of Materials Science publishes reviews, full-length papers, and short Communications recording original research results on, or techniques for studying the relationship between structure, properties, and uses of materials. The subjects are seen from international and interdisciplinary perspectives covering areas including metals, ceramics, glasses, polymers, electrical materials, composite materials, fibers, nanostructured materials, nanocomposites, and biological and biomedical materials. The Journal of Materials Science is now firmly established as the leading source of primary communication for scientists investigating the structure and properties of all engineering materials.