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Feasibility study of membrane preparation using polycarbonatefrom waste compact discs by phase separation |
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| รหัสดีโอไอ | |
| Creator | 1. Diew Saijun 2. Watchanida Chinpa |
| Title | Feasibility study of membrane preparation using polycarbonatefrom waste compact discs by phase separation |
| Publisher | Research and Development Office, Prince of Songkla University |
| Publication Year | 2563 |
| Journal Title | Songklanakarin Journal of Science and Technology |
| Journal Vol. | 42 |
| Journal No. | 5 |
| Page no. | 967-974 |
| Keyword | waste CDs, polycarbonate, membrane, phase inversion |
| URL Website | https://rdo.psu.ac.th/sjstweb/index.php |
| ISSN | 0125-3395 |
| Abstract | Using non-solvent induced phase separation (NIPS), asymmetric porous membranes were prepared from polycarbonate(PC) derived from waste compact discs (CDs). The effects of recovered PC (PC-R) concentration (18-24 wt%) on the morphologies and mechanical and permeation properties were investigated. At all casting solution concentrations, PC-R membranes hadasymmetric structures that consisted of a skin layer and a marcovoid sublayer. As the PC-R concentration increased, themacrovoid sublayer was suppressed as a sponge-like sublayer formed within the asymmetric structure. The tensile strength andelongation at break of membranes cast from solutions containing 20, 22, and 24 wt% PC-R ranged from 2.60 to 2.97 MPa and7.69 to 11.45%, respectively. These values were sufficient to resist operating pressures during membrane filtration testing. Thepure water flux through the membranes decreased as the PC-R concentration increased, whereas %R presented an inverse trend.These results indicated that PC recovered from waste compact discs could provide an alternative material for porous membranefabrication. |
