Influence of Different Dosages of Rice Husk Particles on Thermal, Physical, Mechanical and Rheological Properties of Polypropylene-Based Composites
Fayzullin I. Gorbachev A. Volfson S. Zhakypova G. Uderbayev S. Nakyp A. Akylbekov N.
August 2025Multidisciplinary Digital Publishing Institute (MDPI)
Journal of Composites Science
2025#9Issue 8
This study investigates the effect of rice husk content (0–60 wt.%) on the thermal, mechanical and rheological properties of polypropylene composites prepared by extrusion and injection molding. A temperature-invariant approach was applied to analyze the viscoelastic properties, allowing the combination of data obtained at different temperatures. The results show that as the husk content increases, the elastic modulus and hardness rise linearly, while the impact strength and elongation at break significantly decrease. Composites with 40–50% filler exhibit a balanced combination of strength and stiffness, as confirmed by the summary data in the table (provide references). The application of the temperature-invariant viscosity method confirmed its effectiveness in evaluating the flow properties of composite melts. The obtained results have practical significance for the development of eco-friendly polymer materials with natural fiber fillers.
composites , natural filler , polypropylene , rheological properties , rice husk , thermal stability
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Institute of Polymers, Kazan National Research Technological University, 68 K. Marx Str., Kazan, 420015, Russian Federation
Institute of Engineering and Technology, Korkyt Ata Kyzylorda University, 29A, Aiteke bi Str., Kyzylorda, 120014, Kazakhstan
Center of Physico-Chemical Methods of Research and Analysis, Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Al-Farabi Ave., 71, Almaty, 050040, Kazakhstan
Institute of Polymers
Institute of Engineering and Technology
Center of Physico-Chemical Methods of Research and Analysis
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