Modified polydimethylsiloxane/polystyrene blended IPN pervaporation membrane for ethanol/water separation
In this article a modified polydimethylsiloxane (PDMS) blended polystyrene (PS) interpenetrating polymer network (IPN) membranes supported by Teflon (polytetrafluoroethylene) ultrafiltration membrane were prepared for the separation of ethanol in water by pervaporation application. The relationship...
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| Format: | Article |
| Language: | English |
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Wiley
2011
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| Online Access: | http://umpir.ump.edu.my/id/eprint/25739/ http://umpir.ump.edu.my/id/eprint/25739/1/Modified%20polydimethylsiloxane-polystyrene%20blended%20IPN%20pervaporation%20.pdf |
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| author | Ahmed, Iqbal Nasrul Fikry, Che Pa Mohd Ghazali, Mohd Nawawi Wan Aizan Wan, Abd Rahman |
| author_facet | Ahmed, Iqbal Nasrul Fikry, Che Pa Mohd Ghazali, Mohd Nawawi Wan Aizan Wan, Abd Rahman |
| author_sort | Ahmed, Iqbal |
| building | UMP Institutional Repository |
| collection | Online Access |
| description | In this article a modified polydimethylsiloxane (PDMS) blended polystyrene (PS) interpenetrating polymer network (IPN) membranes supported by Teflon (polytetrafluoroethylene) ultrafiltration membrane were prepared for the separation of ethanol in water by pervaporation application. The relationship between the surface characteristics of the surface‐modified PDMS membranes and their permselectivity for aqueous ethanol solutions by pervaporation are discussed. The IPN supported membranes were prepared by sequential IPN technique. The IPN supported membrane were tested for the separation performance on 10 wt % ethanol in water and were characterized by evaluating their mechanical properties, swelling behavior, density, and degree of crosslinking. The results indicated that separation performance, mechanical properties, density, and the percentage of swelling of IPN membranes were influenced by degree of crosslink density. Depending on the feed temperature, the supported membranes had separation factors between 2.03 and 6.00 and permeation rates between 81.66 and 144.03 g m−2 h−1. For the azeotropic water–ethanol mixture (10 wt % ethanol), the supported membrane had at 30°C a separation factor of 6.00 and a permeation rate of 85 g m−2 h−1. Compared to the PDMS supported membranes, the PDMS/PS IPN supported blend membrane ones had a higher selectivity but a somewhat lower permeability. |
| first_indexed | 2025-11-15T02:39:57Z |
| format | Article |
| id | ump-25739 |
| institution | Universiti Malaysia Pahang |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T02:39:57Z |
| publishDate | 2011 |
| publisher | Wiley |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | ump-257392020-02-19T07:50:14Z http://umpir.ump.edu.my/id/eprint/25739/ Modified polydimethylsiloxane/polystyrene blended IPN pervaporation membrane for ethanol/water separation Ahmed, Iqbal Nasrul Fikry, Che Pa Mohd Ghazali, Mohd Nawawi Wan Aizan Wan, Abd Rahman TP Chemical technology In this article a modified polydimethylsiloxane (PDMS) blended polystyrene (PS) interpenetrating polymer network (IPN) membranes supported by Teflon (polytetrafluoroethylene) ultrafiltration membrane were prepared for the separation of ethanol in water by pervaporation application. The relationship between the surface characteristics of the surface‐modified PDMS membranes and their permselectivity for aqueous ethanol solutions by pervaporation are discussed. The IPN supported membranes were prepared by sequential IPN technique. The IPN supported membrane were tested for the separation performance on 10 wt % ethanol in water and were characterized by evaluating their mechanical properties, swelling behavior, density, and degree of crosslinking. The results indicated that separation performance, mechanical properties, density, and the percentage of swelling of IPN membranes were influenced by degree of crosslink density. Depending on the feed temperature, the supported membranes had separation factors between 2.03 and 6.00 and permeation rates between 81.66 and 144.03 g m−2 h−1. For the azeotropic water–ethanol mixture (10 wt % ethanol), the supported membrane had at 30°C a separation factor of 6.00 and a permeation rate of 85 g m−2 h−1. Compared to the PDMS supported membranes, the PDMS/PS IPN supported blend membrane ones had a higher selectivity but a somewhat lower permeability. Wiley 2011 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/25739/1/Modified%20polydimethylsiloxane-polystyrene%20blended%20IPN%20pervaporation%20.pdf Ahmed, Iqbal and Nasrul Fikry, Che Pa and Mohd Ghazali, Mohd Nawawi and Wan Aizan Wan, Abd Rahman (2011) Modified polydimethylsiloxane/polystyrene blended IPN pervaporation membrane for ethanol/water separation. Journal of Applied Polymer Science, 122 (4). pp. 2666-2679. ISSN 1097-4628. (Published) https://doi.org/10.1002/app.34319 https://doi.org/10.1002/app.34319 |
| spellingShingle | TP Chemical technology Ahmed, Iqbal Nasrul Fikry, Che Pa Mohd Ghazali, Mohd Nawawi Wan Aizan Wan, Abd Rahman Modified polydimethylsiloxane/polystyrene blended IPN pervaporation membrane for ethanol/water separation |
| title | Modified polydimethylsiloxane/polystyrene blended IPN pervaporation membrane for ethanol/water separation |
| title_full | Modified polydimethylsiloxane/polystyrene blended IPN pervaporation membrane for ethanol/water separation |
| title_fullStr | Modified polydimethylsiloxane/polystyrene blended IPN pervaporation membrane for ethanol/water separation |
| title_full_unstemmed | Modified polydimethylsiloxane/polystyrene blended IPN pervaporation membrane for ethanol/water separation |
| title_short | Modified polydimethylsiloxane/polystyrene blended IPN pervaporation membrane for ethanol/water separation |
| title_sort | modified polydimethylsiloxane/polystyrene blended ipn pervaporation membrane for ethanol/water separation |
| topic | TP Chemical technology |
| url | http://umpir.ump.edu.my/id/eprint/25739/ http://umpir.ump.edu.my/id/eprint/25739/ http://umpir.ump.edu.my/id/eprint/25739/ http://umpir.ump.edu.my/id/eprint/25739/1/Modified%20polydimethylsiloxane-polystyrene%20blended%20IPN%20pervaporation%20.pdf |