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Micromechanics of Mechanical, Thermomechanical, and Chemi-Thermomechanical Pulp from Orange Tree Pruning as Polypropylene Reinforcement: A Comparative Study
Reixach Corominas, Rafel; Franco Marquès, Elena; El Mansouri, Nour-Eddine; Ramírez de Cartagena Bisbe, Francisco; Arbat Pujolràs, Gerard; Espinach Orús, Xavier; Mutjé Pujol, Pere
This work explores the use of mechanical (MP), thermomechanical (TMP), and chemi-thermomechanical (CTMP) pulps from orange tree pruning fibers (OPF) as reinforcing elements of polypropylene (PP) composites. Due to the nature of the natural fibers, the use of a coupling agent is needed to attain a good interface and to prevent fiber slippage from the matrix. The main objective of the present work was to investigate the orientation factor, the interfacial shear strength, and the intrinsic strength of the OPF. Coupled and non-coupled composites were formulated and tested, optimizing the coupling agent content with the objective of maximizing the tensile strength of the composites. Hirsch and Kelly-Tyson models and the Bowyer-Bader methodology were used to compute the micromechanic properties. The contribution of subcritical, supercritical fibers, and matrix were also calculated
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
Polpa de fusta
Wood-pulp
Materials compostos
Composite materials
Tots els drets reservats
Artículo
info:eu-repo/semantics/acceptedVersion
North Carolina State University
         

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