Effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites

Chemical modification plays an important role in enhancing interfacial adhesion in thermoplastic biocomposites. In this study, the cocoa pod husk (CPH) filled polypropylene (PP) biocomposites were prepared using Brabender Plastrograph EC Plus intermixer at temperature of 180oC and rotor speed of 50...

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Format:	Thesis
Language:	English
Subjects:	Thermoplastic composites Thermoplastics Fillers (Materials) Biocomposite Cocoa pod husk (CPH) Polypropylene (PP)
Online Access:	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/72706/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/72706/2/Full%20text.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/72706/4/Koey%20Seong.pdf
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spelling	my-unimap-727062022-12-02T04:34:35Z Effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites Salmah, Husseinsyah, Assoc. Prof. Ir. Dr. Chemical modification plays an important role in enhancing interfacial adhesion in thermoplastic biocomposites. In this study, the cocoa pod husk (CPH) filled polypropylene (PP) biocomposites were prepared using Brabender Plastrograph EC Plus intermixer at temperature of 180oC and rotor speed of 50 rpm. The effect of CPH content and chemical modification using different types of commercial coupling agents (such as, maleated polypropylene (MAPP), methacrylic acid (MAA), sodium dodecyl sulfate (SDS), and 3-mercapropyltrimethoxysilane (MPS)), and new green coupling agents (GCA) developed from virgin coconut oil (GCA-C) and palm oil (GCA-P) on processing torque, tensile properties, water absorption behavior, morphological, thermal and rheological properties of PP/CPH biocomposites were investigated. The results found that the increases of CPH content increased the processing torque, Young’s modulus, water absorption, crystallinity, but reduced the elongation at break and tensile strength of PP/CPH biocomposites. The incorporation of CPH cause the early thermal degradation of PP/CPH biocomposites, but at higher temperature the thermal stability increased with increases of CPH content. Scanning electron microscopy (SEM) evidenced the poor interfacial adhesion between CPH and PP matrix. The increases of CPH content increased the pseudoplastic characteristic, viscosity and activation energy (Ea) of PP/CPH biocomposites. Universiti Malaysia Perlis (UniMAP) Thesis en http://dspace.unimap.edu.my:80/xmlui/handle/123456789/72706 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/72706/3/license.txt 8a4605be74aa9ea9d79846c1fba20a33 http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/72706/1/Page%201-24.pdf c478ef5a7f4f5e5005c21672ee8918ce http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/72706/2/Full%20text.pdf 10e43675153198bae15c568e9bded6ef http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/72706/4/Koey%20Seong.pdf c563e4d58eb00d315088e8fc0b3db94e Universiti Malaysia Perlis (UniMAP) Thermoplastic composites Thermoplastics Fillers (Materials) Biocomposite Cocoa pod husk (CPH) Polypropylene (PP) School of Materials Engineering
institution	Universiti Malaysia Perlis
collection	UniMAP Institutional Repository
language	English
advisor	Salmah, Husseinsyah, Assoc. Prof. Ir. Dr.
topic	Thermoplastic composites Thermoplastics Fillers (Materials) Biocomposite Cocoa pod husk (CPH) Polypropylene (PP)
spellingShingle	Thermoplastic composites Thermoplastics Fillers (Materials) Biocomposite Cocoa pod husk (CPH) Polypropylene (PP) Effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites
description	Chemical modification plays an important role in enhancing interfacial adhesion in thermoplastic biocomposites. In this study, the cocoa pod husk (CPH) filled polypropylene (PP) biocomposites were prepared using Brabender Plastrograph EC Plus intermixer at temperature of 180oC and rotor speed of 50 rpm. The effect of CPH content and chemical modification using different types of commercial coupling agents (such as, maleated polypropylene (MAPP), methacrylic acid (MAA), sodium dodecyl sulfate (SDS), and 3-mercapropyltrimethoxysilane (MPS)), and new green coupling agents (GCA) developed from virgin coconut oil (GCA-C) and palm oil (GCA-P) on processing torque, tensile properties, water absorption behavior, morphological, thermal and rheological properties of PP/CPH biocomposites were investigated. The results found that the increases of CPH content increased the processing torque, Young’s modulus, water absorption, crystallinity, but reduced the elongation at break and tensile strength of PP/CPH biocomposites. The incorporation of CPH cause the early thermal degradation of PP/CPH biocomposites, but at higher temperature the thermal stability increased with increases of CPH content. Scanning electron microscopy (SEM) evidenced the poor interfacial adhesion between CPH and PP matrix. The increases of CPH content increased the pseudoplastic characteristic, viscosity and activation energy (Ea) of PP/CPH biocomposites.
format	Thesis
title	Effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites
title_short	Effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites
title_full	Effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites
title_fullStr	Effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites
title_full_unstemmed	Effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites
title_sort	effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites
granting_institution	Universiti Malaysia Perlis (UniMAP)
granting_department	School of Materials Engineering
url	http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/72706/1/Page%201-24.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/72706/2/Full%20text.pdf http://dspace.unimap.edu.my:80/xmlui/bitstream/123456789/72706/4/Koey%20Seong.pdf
_version_	1776104226559098880

Effects of filler content and various coupling agents on properties of polypropylene/cocoa pod husk biocomposites

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