DataVXJournal of Elastomers & PlasticsPaper
journal article·2016-10

Permeability of carbon dioxide and nitrogen gases through SiO 2 and MgO incorporated ENR/PVC membranes

Farhan Mohd Nor, Nurul Huda Abd Karim, Ibrahim Abdullah, Rizafizah Othaman

Journal of Elastomers & Plastics· Volume 48· Issue 6
Publisher page
Source abstract

Abstract

Two mixed-matrix membranes (MMM) for gas permeability test were prepared by introducing inorganic fillers (silica (SiO 2 ) and magnesium oxide (MgO)) in the composite blend of epoxidized natural rubber (ENR) and polyvinyl chloride (PVC). Inclusion of SiO 2 and MgO particles in the membranes resulted in pores formation as observed through scanning electron microscopy. Thermal study demonstrated that there were interaction between the fillers and polymer matrix with SiO 2 exhibited better interaction. SiO 2 was also observed to disperse more evenly in the membrane compared to MgO. The permeability of carbon dioxide (CO 2 ) and nitrogen (N 2 ) gases was measured in order to determine the effects of SiO 2 and MgO in CO 2 /N 2 separation performance of the ENR/PVC/filler membranes. CO 2 was found to exhibit higher permeability compared to N 2 for all the membranes. The gas permeability of ENR/PVC/SiO 2 membrane was significantly higher than ENR/PVC/MgO and ENR/PVC membranes. Interestingly, despite having lower permeability, MgO-filled membrane exhibited higher CO 2 /N 2 selectivity. When compared to the Robeson’s upper bound, it was found that introduction of fillers had improved gas separation performance of ENR/PVC membrane.
Source: crossref · Quality: baseline

Research context

PolymersComposites

OpenAlex topics: Membrane Separation and Gas Transport · Membrane Separation Technologies · Advanced Battery Materials and Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia

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