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Effect of plasticizer on physical and mechanical properties of ldpe/sago starch blend

Kormin, S. and Kormin, F. and Beg, M. D. H. (2019) Effect of plasticizer on physical and mechanical properties of ldpe/sago starch blend. In: Journal of Physics: Conference Series, International Conference on Mechanical and Manufacturing Engineering (ICME2018), 16-17 July 2018 , Johor, Malaysia. pp. 1-11., 1150 (012032). ISSN 1742-6588 (print); 1742-6596 (online)

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Starch-based polymeric materials offer a renewable, economical alternative to existing petroleum based, non-renewable or costly polymeric materials. The aim of this study is to develop degradable starch-low density polyethylene (LDPE) composites with enhanced mechanical properties. This research studies the effect of different kind of plasticizer. The compounding of the LDPE with sago starch was performed via a twin screw extruder followed by injection molding. Studies on their physical, mechanical of each formulation were carried out by density, melt flow index (MFI), tensile, flexural, impact. The presence of high starch contents had an adverse effect on the mechanical properties of LDPE/starch blends. However, the addition of compatibilizer or plasticizer improved the interfacial adhesion between the two materials, hence, improved the tensile properties of the blends. After using the proper composition and processing condition, mechanical properties of plasticized LDPE/SS blend are significantly higher than those of the unplasticized LDPE/SS blend with the same starch contents.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: Indexed by Scopus
Uncontrolled Keywords: Effect of plasticizer; Interfacial adhesions; Low density polyethylene (LDPE); Melt flow index; Physical and mechanical properties; Processing condition; Research studies; Twin screw extruders
Subjects: S Agriculture > SB Plant culture
T Technology > TP Chemical technology
T Technology > TS Manufactures
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Mrs Norsaini Abdul Samat
Date Deposited: 17 Dec 2019 03:10
Last Modified: 17 Dec 2019 03:10
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