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Experimental and simulation of supercritical carbon dioxide PLA biocomposite foamed

Mohd Nordin, Nurfarahin and Anuar, Hazleen and Mohd Noor, Wan Nuradila Qistina and Buys, Yose Fachmi (2022) Experimental and simulation of supercritical carbon dioxide PLA biocomposite foamed. Materials Science Forum, 1056. pp. 17-23. ISSN 0255-5476 E-ISSN 1662-9752

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The use of PolyLactic Acid (PLA) as a green substitute for conventional plastics has increased considerably as a result of increased awareness of the environmental effect of the use of petroleum-based plastics. However, some of the PLA properties including brittleness and sensitivity to high temperature and humidity, greatly restrict its application. The addition of reinforcement of low-cost natural fibers and foaming are considered to overcome the above disadvantages since it can improve some of PLA’s processing. This paper reported the effects of supercritical carbon dioxide (SCCO2) on the tensile strength of PLA biocomposite films produced via solution casting method. The biocomposite films underwent supercritical carbon dioxide (SCCO2) treatment at temperature of 40oC and pressure at 200 bar. The tensile strength showed that the PLA biocomposite foamed has improve by 16.18%. This is due to a good adhesion interfacial between fiber and polymer matrix. A simulation on tensile strength of the biocomposite foamed was also conducted using COMSOL Multiphysics software. The tensile strength resulted from this simulation is similar to the experimental value. Therefore, the experimental value is valid and satisfy. This also showed that SCCO2 treatment significantly improved the properties of PLA biocomposite films which could be an alternative in packaging industries.

Item Type: Article (Journal)
Additional Information: 4130/97269
Uncontrolled Keywords: PolyLactic Acid (PLA), Biocomposite Foamed, Supercritical Carbon dioxide (SCCO2), COSMOL Multiphysics
Subjects: T Technology > TS Manufactures > TS195 Packaging
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering
Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User: Dr Hazleen Anuar
Date Deposited: 21 Mar 2022 08:54
Last Modified: 21 Mar 2022 08:54
URI: http://irep.iium.edu.my/id/eprint/97269

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