Processing and Characterization of a Polypropylene Biocomposite Compounded with Maleated and Acrylated Compatibilizers

Polypropylene (PP) biocomposites containing 20 wt.% sunflower hull as a particulate reinforcement were compounded and tested under tensile, flexural, and impact loadings. The incorporation of the sunflower hull without compatibilizer resulted in diminished tensile strength and impact energy absorpti...

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Main Authors: Brent A. Nerenz, Michael A. Fuqua, Venkata S. Chevali, Chad A. Ulven
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:International Journal of Polymer Science
Online Access:http://dx.doi.org/10.1155/2012/472078
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author Brent A. Nerenz
Michael A. Fuqua
Venkata S. Chevali
Chad A. Ulven
author_facet Brent A. Nerenz
Michael A. Fuqua
Venkata S. Chevali
Chad A. Ulven
author_sort Brent A. Nerenz
collection DOAJ
description Polypropylene (PP) biocomposites containing 20 wt.% sunflower hull as a particulate reinforcement were compounded and tested under tensile, flexural, and impact loadings. The incorporation of the sunflower hull without compatibilizer resulted in diminished tensile strength and impact energy absorption but increased flexural strength and both tensile modulus and flexural modulus when compared to neat PP. Formulations containing three different chemical compatibilizers were tested to determine their effectiveness in improving the interfacial adhesion between the fiber surface and PP chains. Maleic anhydride grafted with PP (MA-g-PP) achieved greater improvements in tensile strength but reduced impact strength in comparison to an acrylic-acid-grafted PP compatibilizer (AA-g-PP). The molecular weight, graft level, and the ability to affect strength, modulus, and absorbed impact energy were also investigated for the compatibilizers. A MA-g-PP having high molecular weight and low graft level was most effective in improving the investigated properties of a sunflower hull-reinforced polypropylene biocomposite.
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series International Journal of Polymer Science
spelling doaj-art-1455c68d948f442ba1aa56c79a0223fb2025-02-03T07:25:51ZengWileyInternational Journal of Polymer Science1687-94221687-94302012-01-01201210.1155/2012/472078472078Processing and Characterization of a Polypropylene Biocomposite Compounded with Maleated and Acrylated CompatibilizersBrent A. Nerenz0Michael A. Fuqua1Venkata S. Chevali2Chad A. Ulven3Department of Mechanical Engineering, North Dakota State University, 111 Dolve Hall NDSU Dept 2490, P.O. Box 6050, Fargo, ND 58108, USADepartment of Mechanical Engineering, North Dakota State University, 111 Dolve Hall NDSU Dept 2490, P.O. Box 6050, Fargo, ND 58108, USADepartment of Mechanical Engineering, North Dakota State University, 111 Dolve Hall NDSU Dept 2490, P.O. Box 6050, Fargo, ND 58108, USADepartment of Mechanical Engineering, North Dakota State University, 111 Dolve Hall NDSU Dept 2490, P.O. Box 6050, Fargo, ND 58108, USAPolypropylene (PP) biocomposites containing 20 wt.% sunflower hull as a particulate reinforcement were compounded and tested under tensile, flexural, and impact loadings. The incorporation of the sunflower hull without compatibilizer resulted in diminished tensile strength and impact energy absorption but increased flexural strength and both tensile modulus and flexural modulus when compared to neat PP. Formulations containing three different chemical compatibilizers were tested to determine their effectiveness in improving the interfacial adhesion between the fiber surface and PP chains. Maleic anhydride grafted with PP (MA-g-PP) achieved greater improvements in tensile strength but reduced impact strength in comparison to an acrylic-acid-grafted PP compatibilizer (AA-g-PP). The molecular weight, graft level, and the ability to affect strength, modulus, and absorbed impact energy were also investigated for the compatibilizers. A MA-g-PP having high molecular weight and low graft level was most effective in improving the investigated properties of a sunflower hull-reinforced polypropylene biocomposite.http://dx.doi.org/10.1155/2012/472078
spellingShingle Brent A. Nerenz
Michael A. Fuqua
Venkata S. Chevali
Chad A. Ulven
Processing and Characterization of a Polypropylene Biocomposite Compounded with Maleated and Acrylated Compatibilizers
International Journal of Polymer Science
title Processing and Characterization of a Polypropylene Biocomposite Compounded with Maleated and Acrylated Compatibilizers
title_full Processing and Characterization of a Polypropylene Biocomposite Compounded with Maleated and Acrylated Compatibilizers
title_fullStr Processing and Characterization of a Polypropylene Biocomposite Compounded with Maleated and Acrylated Compatibilizers
title_full_unstemmed Processing and Characterization of a Polypropylene Biocomposite Compounded with Maleated and Acrylated Compatibilizers
title_short Processing and Characterization of a Polypropylene Biocomposite Compounded with Maleated and Acrylated Compatibilizers
title_sort processing and characterization of a polypropylene biocomposite compounded with maleated and acrylated compatibilizers
url http://dx.doi.org/10.1155/2012/472078
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AT venkataschevali processingandcharacterizationofapolypropylenebiocompositecompoundedwithmaleatedandacrylatedcompatibilizers
AT chadaulven processingandcharacterizationofapolypropylenebiocompositecompoundedwithmaleatedandacrylatedcompatibilizers