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Tensile Properties of Polypropylene Composites Reinforced with Mechanical, Thermomechanical, and Chemi-Thermomechanical Pulps from Orange Pruning

This paper explores the evolution in the tensile strength of orange pruning fiber-reinforced polypropylene composites. The exploitation of these pruning"s can effectively avoid incineration, with the consequence of CO2 emissions and fire risk, while extending the value chain of the agricultural industry. This biomass was subjected to three different treatments yielding mechanical, thermomechanical, and chemi-thermomechanical pulps. It was found that 20 to 50% of these pulps, together with a coupling agent, were used as polypropylene reinforcement. The evolution in the tensile strength and morphological properties of the fibers, and the effect of treatments on these properties were analyzed. A modified rule of mixtures (mROM) was used to analyze the micromechanical properties of the interface. In addition, the mechanical properties were weighted against the fiber treatment yields. Finally, factors to compute the net contribution of the fibers to the final strength of the composite materials were proposed

The authors are grateful for the support of the EMCI - Ministerio de Ciencia e Innovacion (MICINN) for funding the research by the specific research program, CTQ2010-21660-C03-03

North Carolina State University. Dept of Wood Paper Science, College of Natural Resources

Author: Reixach Corominas, Rafel
Espinach Orús, Xavier
Arbat Pujolràs, Gerard
Julián Pérez, Fernando
Delgado Aguilar, Marc
Puig, Josep
Mutjé Pujol, Pere
Abstract: This paper explores the evolution in the tensile strength of orange pruning fiber-reinforced polypropylene composites. The exploitation of these pruning"s can effectively avoid incineration, with the consequence of CO2 emissions and fire risk, while extending the value chain of the agricultural industry. This biomass was subjected to three different treatments yielding mechanical, thermomechanical, and chemi-thermomechanical pulps. It was found that 20 to 50% of these pulps, together with a coupling agent, were used as polypropylene reinforcement. The evolution in the tensile strength and morphological properties of the fibers, and the effect of treatments on these properties were analyzed. A modified rule of mixtures (mROM) was used to analyze the micromechanical properties of the interface. In addition, the mechanical properties were weighted against the fiber treatment yields. Finally, factors to compute the net contribution of the fibers to the final strength of the composite materials were proposed
The authors are grateful for the support of the EMCI - Ministerio de Ciencia e Innovacion (MICINN) for funding the research by the specific research program, CTQ2010-21660-C03-03
Document access: http://hdl.handle.net/2072/251057
Language: eng
Publisher: North Carolina State University. Dept of Wood Paper Science, College of Natural Resources
Rights: Tots els drets reservats
Subject: Materials compostos
Composite materials
Polipropilè
Polypropylene
Title: Tensile Properties of Polypropylene Composites Reinforced with Mechanical, Thermomechanical, and Chemi-Thermomechanical Pulps from Orange Pruning
Type: info:eu-repo/semantics/article
Repository: Recercat

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