基于高粱纤维的不同成核剂聚丙烯复合材料力学性能研究

Zarlina Zainuddin, T. Nurtiasto, A. F. Nugraha, J. A. Laksmono, Mochamad Chalid
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摘要

本研究的目的是研究以高粱纤维为成核剂的聚丙烯的机械效应。碱化、漂白和酸水解都是对高粱纤维进行化学改性的方法。然后将改性后的高粱纤维与作为聚合物基质的聚丙烯在 165 摄氏度、100 转/分钟的流变混合器中混合 10 分钟,并在热压机中成型。研究结果表明,酸水解可以提高高粱纤维的结晶度和相容性。此外,在 23.44 兆帕的压力下,高粱纤维中 0.5% 的微纤维素可使聚丙烯和微纤维素混合物达到最佳机械特性。
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Investigation Mechanical Properties of Polypropylene Composite with Difference Composition of Nucleating Agent Based Sorghum Fiber
The purpose of this research is to investigate the mechanical effects of polypropylene using sorghum fiber as nucleating agent. Alkalization, bleaching, and acid hydrolysis are all used to chemically modify sorghum fiber. This modified sorghum fiber was then mixed with polypropylene as a polymer matrix for 10 minutes in a rheomix at 100 rpm at 165°C and molded in a hot press. The results of this study suggest that acid hydrolysis can improve the crystallinity and compatibility of sorghum fiber. Furthermore, at 23.44 MPa, the optimum mechanical characteristics of a mixture of polypropylene and micro fibrillated cellulose (MFC) from sorghum fiber were achieved from 0.5% MFC resulting from acid hydrolysis.
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