Mechanical and structural properties of a novel melt processed PET–hemp composite: Influence of additives and fibers concentration

Author:

Talla AS Fotso12,Mfoumou E3,Jeson S4,Pagé JSYD4,Erchiqui F12

Affiliation:

1. School of Engineering, University of Québec in Abitibi-Témiscamingue, Rouyn Noranda, Québec, Canada

2. Department of Applied Sciences, University of Québec in Chicoutimi, Chicoutimi, Québec, Canada

3. Nova Scotia Community College, Applied Research, Dartmouth, Nova-Scotia, Canada

4. Department of Chemistry and Chemical Engineering, The Royal Military College of Canada, Kingston, Ontario, Canada

Abstract

The mechanical and structural properties of novel melt processed poly-ethylene terephthalate (PET)-hemp fiber composites for engineering applications were investigated. First, four reinforcement formulations were compared with the PET modified with poly-epsilon-caprolactone: hemp, Clay/hemp, pyromellitic dianhydride/hemp and glycidyl methacrylate/hemp. Next, the effect of hemp fibers concentration as well as the effect of heat treatment was analyzed. A significant difference was observed in the mechanical and structural properties of the composites. Moreover, we observed a good fiber–matrix interface without the use of a coupling agent, particularly in the absence of additives. Our data suggest that a careful trade-off between the additives, the hemp fiber concentration and the desired engineering applications is key requirement for the applications of high melting polymers-reinforced with natural fibers.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

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