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Improvement Properties of Recycled Polypropylene by Reinforcement of Coir Fiber

机译：椰壳纤维增强对再生聚丙烯的改善性能

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摘要

This research was to study the related mechanical and thermal properties of recycled polypropylene from post consumer containers reinforced with coir fiber. Surface of coir fiber was treated with sodium hydroxide to remove lignin and hemicelluloses and likely to improve the interfacial adhesion in the composites. The composites of treated coir fiber and recycled polypropylene were prepared by varying the coir fiber contents at 5%, 10% and 20% by weight using a twin screw extruder. The thermal properties were investigated by thermal gravimetric analysis (TGA) and differential scanning calorimeter (DSC). The results from TGA showed that thermal stability of the composites was lower than that of recycled polypropylene resin and thermal stability decreased with increasing coir fiber content. From DSC results, it indicated that the crystallinity of treated coir fiber composites increased as a function of fiber content. The mechanical properties of injection-molded samples were studied by universal testing machine. The treated coir fiber composites produced enhanced mechanical properties. The tensile strength, tensile modulus and impact strength of modified coir fiber/recycled polypropylene composites increased as a function of coir fiber content.
机译：这项研究旨在研究用椰壳纤维增强的消费后容器中再生聚丙烯的相关机械和热性能。用氢氧化钠处理椰壳纤维的表面，以除去木质素和半纤维素，并可能改善复合材料的界面粘合力。经处理的椰壳纤维和再生聚丙烯的复合材料是通过使用双螺杆挤出机将椰壳纤维的含量改变为5重量％，10重量％和20重量％来制备的。通过热重分析（TGA）和差示扫描量热仪（DSC）研究了热性能。 TGA的结果表明，复合材料的热稳定性低于再生聚丙烯树脂，并且热稳定性随着椰壳纤维含量的增加而降低。从DSC结果表明，处理过的椰壳纤维复合材料的结晶度随纤维含量的增加而增加。用万能试验机研究了注塑样品的力学性能。经处理的椰壳纤维复合材料具有增强的机械性能。改性椰壳纤维/再生聚丙烯复合材料的拉伸强度，拉伸模量和冲击强度随椰壳纤维含量的增加而增加。

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  • 来源
  • 会议地点 Qingdao(CN)
  • 作者

    P. Threepopnatkul; C. Kulsetthanchalee; K. Bunmee; N. Kliaklom; W. Roddouyboon;

  • 作者单位

    Department of Materials Science and Engineering, Faculty of Engineering and Industrial Technology, Silpakorn University, Nakorn-pathom 73000, Thailand Center for Pertroleam, Petrochemicals and Advanced Materials, Chulalongkorn University, Bangkok 10330, T;

    Faculty of Science and Technology, Suan Dusit Rajabhat University, Bangkok 10300, Thailand;

    Department of Materials Science and Engineering, Faculty of Engineering and Industrial Technology, Silpakorn University, Nakorn-pathom 73000, Thailand;

    Department of Materials Science and Engineering, Faculty of Engineering and Industrial Technology, Silpakorn University, Nakorn-pathom 73000, Thailand;

    Department of Materials Science and Engineering, Faculty of Engineering and Industrial Technology, Silpakorn University, Nakorn-pathom 73000, Thailand;

  • 会议组织
  • 原文格式 PDF
  • 正文语种
  • 中图分类 工程材料学;
  • 关键词

    Recycled polypropylene; coir fiber; mechanical properties; thermal properties;

    机译：再生聚丙烯；椰壳纤维机械性能热性能;

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