Torque rheological properties of agro‐waste‐based polypropylene composites: Effect of filler content and green coupling agent

Koay, Seong Chun; Husseinsyah, Salmah; Chan, Ming Yeng

doi:10.1002/vnl.21561

Cited by 13 publications

(14 citation statements)

References 37 publications

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“…For this reason, PLA/DHF biocomposite with more fiber content became more rigid and brittle. This observation is in agreement with findings of many others researcher [19]. …”

Section: Tensile Propertiessupporting

confidence: 94%

Preparation and Characterization of Durian Husk Fiber Filled Polylactic Acid Biocomposites

et al. 2018

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Abstract. Polylactic acid (PLA) is biodegradable thermoplastic that made from renewable raw material, but its high cost limited the application. Thus, addition of natural fiber can be effectively reduced the cost of PLA. This research is utilised natural fiber extracted from durian husk to made PLA biocomposites. This paper is focus on the effect of fiber content on tensile and thermal properties of PLA/durian husk fiber (DHF) biocomposites. The results found that the tensile strength and modulus of this biocomposites increased with increase of fiber content, but the strength still lower compared to neat PLA. Then, the elongation at break of biocomposites was expected decreased at higher fiber content. The PLA/DHF biocomposites with 60 phr fiber content exhibited tensile strength of 11 MPa, but it is too brittle yet for any application. The addition of DHF caused an early thermal degradation on PLA biocomposites. Then, the thermal stability of PLA biocomposites was decreased with more fiber content.

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“…For this reason, PLA/DHF biocomposite with more fiber content became more rigid and brittle. This observation is in agreement with findings of many others researcher [19]. …”

Section: Tensile Propertiessupporting

confidence: 94%

Preparation and Characterization of Durian Husk Fiber Filled Polylactic Acid Biocomposites

et al. 2018

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“…The natural fiber usually obtained from wood and also agriculture crop or waste, such as palm oil empty fruit bunch, rice husk, and corn stalk [6][7][8]. Durian is a tropical fruit that widely planted across Malaysia.…”

Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Wood Plastic Composite Made Up of Durian Husk Fiber and Recycled Polystyrene Foam.

et al. 2018

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Abstract. Polystyrene foam is one of the major plastic waste that hardly to recycle. The present research is aims to recycle polystyrene foam as raw material to produce wood plastic composites (WPC). The WPC was produced from recycled polystyrene (rPS) and durian husk fiber (DHF) using melt compound and compression moulding processes. This paper is focus on effect of fiber content on tensile and thermal properties of rPS/DHF composite. The results found the tensile strength modulus of this WPC increased at higher fiber content, but elongation at break was reduced. However, this composites exhibited an early thermal degradation when subjected to high temperature and this was commonly found among WPC. The thermal degradation of rPS/DHF composites yielded high percentage of char residue due to char formation of DHF. Overall, the rPS/DHF composites with 60 phr fiber content able to achieved strength slight above 16 MPa without any chemical treatment additives. This indicates the rPS/DHF composites can be a potential WPC if further modify with to improve its strength.

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“…The powder index n for both composite compounds with and without GCA-P reduces as the CPH loading increases. [23,24] Thus, the composite compounds are more viscous than neat PP at temperature ranging from F I G U R E 5 Power law index of PP/CPH with and without GCA-P at different filler loading F I G U R E 6 Plot of log viscosity versus log shear rate of PP/CPH composites: (a) without GCA-P and (b) with GCA-P 180 to 210°C. However, the addition of GCA-P-modified CPH increases in the power law index n of the PP/CPH composites.…”

Section: Resultsmentioning

confidence: 99%

“…[19][20][21] In this regard, the rheological behavior of the thermoplastic matrix is also an important parameter, as it will influence the compound quality and properties of composites. [23,24] For this reason, the rheological information of thermoplastic composites is important for parameter optimization and troubleshooting of compounding process as well as equipment design. [23,24] For this reason, the rheological information of thermoplastic composites is important for parameter optimization and troubleshooting of compounding process as well as equipment design.…”

Section: Introductionmentioning

confidence: 99%

“…[22] It has been reported from open literature that the main factors influencing the rheological properties of thermoplastic composites are filler loading, type of filler, and interfacial adhesion. [23,24] For this reason, the rheological information of thermoplastic composites is important for parameter optimization and troubleshooting of compounding process as well as equipment design. [25,26] Torque rheometer is one of the important rheological measuring equipments that offer a platform to monitor the rheological behavior of thermoplastic materials in an actual compounding condition.…”

Section: Introductionmentioning

confidence: 99%

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Influence of filler loading and palm oil‐based green coupling agent on torque rheological properties of polypropylene/cocoa pod husk composites

et al. 2017

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This research examined the torque rheological properties of cocoa pod husk (CPH)filled polypropylene (PP) composites. Composites with varying filler loading ranging from 10 to 40 phr and formulation with or without palm oil-based green coupling agent (GCA-P) were analyzed using a Brabender Plastrograph torque rheometer. The GCA-P synthesized from fatty acid of palm oil was used to enhance adhesion at the filler-matrix surface interfaces. The results reveal that PP/CPH composites containing 40 phr filler loading and GCA-P exhibited higher processing torque and power law index (n). Higher melt viscosity was recorded at higher filler loading, owning to filler agglomeration and more effective filler-matrix adhesion in the presence of GCA-P. As a result, higher energy was required to compound PP/CPH composites, which could be attributed to the increase in activation energy (E a ) at higher melt viscosity. K E Y W O R D Scocoa pod husk, composites, green coupling agent, palm oil, polypropylene, torque rheology

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Torque rheological properties of agro‐waste‐based polypropylene composites: Effect of filler content and green coupling agent

Cited by 13 publications

References 37 publications

Preparation and Characterization of Durian Husk Fiber Filled Polylactic Acid Biocomposites

Preparation and Characterization of Durian Husk Fiber Filled Polylactic Acid Biocomposites

Preparation and Characterization of Wood Plastic Composite Made Up of Durian Husk Fiber and Recycled Polystyrene Foam.

Influence of filler loading and palm oil‐based green coupling agent on torque rheological properties of polypropylene/cocoa pod husk composites

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