Characterization of Polypropylene Green Composites Reinforced by Cellulose Fibers Extracted from Rice Straw

Table 2

Mechanical properties of pure PP and various PP/CFs composites.

Sample	Tensile strength (MPa)	Young’s modulus (MPa)	Elongation at break; (%)	Flexural strength (MPa)	Flexural modulus (GPa)
Pure PP	34.3 ± 1.2	638.5 ± 60.1	57.5 ± 5.6	42.4 ± 12.6	1.29 ± 0.22
PP/CFs 90/10 wt%	30.1 ± 3.0	686.4 ± 28.5	15.2 ± 1.2	44 ± 2.2	1.61 ± 0.11
PP/CFs 80/20 wt%	28.1 ± 2.1	731.3 ± 34.6	10.9 ± 0.9	46.6 ± 4.6	1.83 ± 0.16
PP/CFs 70/30 wt%	25.5 ± 5.2	767.6 ± 53.2	8.0 ± 2.1	48.5 ± 5.2	2.39 ± 0.21
PP/CFs 60/40 wt%	22.8 ± 1.7	803.2 ± 67.2	6.2 ± 0.8	49.8 ± 2.6	2.58 ± 0.26
PP/CFs 50/50 wt%	21.4 ± 2.6	824.2 ± 48.8	4.5 ± 1.1	49.6 ± 0.9	2.64 ± 0.19