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Mean intrinsic tensile properties of stone groundwood fibers from softwood

Stone groundwood (SGW) is a fibrous matter commonly prepared in a high yield process, and mainly used for papermaking applications. In this work, the use of SGW fibers is explored as reinforcing element of polypropylene (PP) composites. Due to its chemical and superficial features, the use of coupling agents is needed for a good adhesion and stress transfer across the fiber-matrix interface. The intrinsic strength of the reinforcement is a key parameter to predict the mechanical properties of the composite and to perform an interface analysis. The main objective of the present work was the determination of the intrinsic tensile strength of stone groundwood fibers. Coupled and non-coupled PP composites from stone groundwood fibers were prepared. The influence of the surface morphology and the quality at interface on the final properties of the composite was analyzed and compared to that of fiberglass PP composites. The intrinsic tensile properties of stone groundwood fibers, as well as the fiber orientation factor and the interfacial shear strength of the current composites were determined

© BioResources, 2011, vol. 6, núm. 4, p. 5037-5049

North Carolina State University

Autor: López, Joan Pere
Méndez González, José Alberto
El Mansouri, Nour-Eddine
Mutjé Pujol, Pere
Vilaseca Morera, Fabiola
Data: 2011
Resum: Stone groundwood (SGW) is a fibrous matter commonly prepared in a high yield process, and mainly used for papermaking applications. In this work, the use of SGW fibers is explored as reinforcing element of polypropylene (PP) composites. Due to its chemical and superficial features, the use of coupling agents is needed for a good adhesion and stress transfer across the fiber-matrix interface. The intrinsic strength of the reinforcement is a key parameter to predict the mechanical properties of the composite and to perform an interface analysis. The main objective of the present work was the determination of the intrinsic tensile strength of stone groundwood fibers. Coupled and non-coupled PP composites from stone groundwood fibers were prepared. The influence of the surface morphology and the quality at interface on the final properties of the composite was analyzed and compared to that of fiberglass PP composites. The intrinsic tensile properties of stone groundwood fibers, as well as the fiber orientation factor and the interfacial shear strength of the current composites were determined
Format: application/pdf
ISSN: 1930-2126
Accés al document: http://hdl.handle.net/10256/7631
Llenguatge: eng
Editor: North Carolina State University
Col·lecció: Articles publicats (D-EQATA)
És part de: © BioResources, 2011, vol. 6, núm. 4, p. 5037-5049
Drets: Tots els drets reservats
Matèria: Polipropilè
Polypropylene
Materials compostos -- Propietats mecàniques
Composite materials -- Mechanical properties
Fibres naturals
Natural fibers
Títol: Mean intrinsic tensile properties of stone groundwood fibers from softwood
Tipus: info:eu-repo/semantics/article
Repositori: DUGiDocs

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