Elaboration and Charpy Test of Bioplastics Reinforced by Renewable Fibers: Starch /Diss

Abstract

This work is based on an investigation study to develop bio-composite materials that are renewable, biodegradable, and environmentally safe. The fibers used in this work are extracted from the plant Ampelodesma Mauritanica, It is a wild plant that is produced in abundance in the Mediterranean regions. Through this work, an overview of Diss fibers was provided, developing bio-composite using different starch matrices reinforced by Diss fibers, and evaluate their mechanical behavior using Charpy-tests to determine standard test specimens to estimate Weibull parameters suitable for the composite using statistical methods based on Weibull distribution. The obtained results, it was found that the bio-composite starch/Diss 40% Glycerol and 5% fiber reinforcement (SG40/RF5) had better results compared to the rest of the bio-composite, The Charpy impact energy modulus was about 31.25 (KJ/m2), which is 2.1 times higher than that achieved Measured from SG40 matrix (40% glycerol), and 1.3 times higher than those fortified with 10% fiber SG40/RF10 (40% glycerol reinforcement 10% fiber), and the statistical study confirmed the distribution of the results obtained, especially Weibull, which has three parameters.

Effect of Calcium Carbonate as Filler on the Physicomechanical Properties of Polypropylene Random

“…Moreover, the incorporation of rigid particles into the polypropylene matrix led to an enhancement in modulus. However, the tensile strength and strain showed a decrease due to the formation of shorter macromolecules and the interruption of long chains by the presence of CaCO3 particles [29]. According to another similar work conducted by Leong et al [30], since the incorporation of fillers is known to hinder the plastic flow and increase the viscosity of a polymer melt, it's expected that the melt flow rate would decrease with increasing filler content.…”