Abstract
AbstractThe physicochemical, thermal, and tensile characteristics ofPennisetum glaucumstem powder (PGSP) are described in this article. According to chemical analysis, PGSP contains a larger percentage of cellulose (58.43 wt%) and lower percentages of hemicelluloses (12.86 wt%) and lignin (14.34 wt%). PGSP has a crystallinity index of 56.8%, with a crystallite size of 22.37 nm. A scanning electron microscopy and an atomic force microscopy were used to analyze the external morphology of PGSP. The thermogravimetric analysis of the PGSP exhibited a thermal constancy of 230°C and kinetic activation energy of 88.3 kJ/mol, indicating that it might be used as a filler material in thermoplastic resins with processing temperatures up to 230°C. Mechanical testing of PGSP‐reinforced epoxy composites signified that 9 wt% reinforcement is optimal to achieve improved properties. All the above findings of this investigation proved that PGSP can be used as a suitable primary and a secondary filler in polymer matrixes and it can also be used to make fused deposition modeling filaments for 3D printing.
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