Abstract
To improve the mechanical strength of cellulose acetate (CA) membranes, porous inorganic/organic hybrid membranes were prepared via phase inversion technique from casting solution composed of cellulose acetate propionate (CAP), poly(vinylidene fluoride) (PVDF), mesoporous SBA-15 materials, and N-methyl-2-pyrrolidone (NMP). The effects of PVDF content and modification with SBA-15 on membranes structure, and properties were characterized in terms of field-emission scanning electron microscopy (FE-SEM), differential scanning calorimetry (DSC), and pure water flux. The results showed that due to the decrease of crystallinity of CAP membranes, the modified CAP-PVDF blend membranes exhibited a high level of water permeation along with the increasing the content of PVDF. Furthermore, after incorporated with SBA-15, it was observed that the pure water flux through the SBA-15/PVDF/CAP hybrid membranes was obviously affected by the incorporated SBA-15 and formed membrane morphology. All different CAP-PVDF weight ratio membranes showed a similar pure water flux of approx. 100 L/m2/h.
| Original language | English |
|---|---|
| Title of host publication | ICCCE 2010 - 2010 International Conference on Chemistry and Chemical Engineering, Proceedings |
| Publisher | Institute of Electrical and Electronics Engineers |
| Pages | 51-54 |
| Number of pages | 4 |
| ISBN (Electronic) | 978-1-4244-7766-1 |
| ISBN (Print) | 9781424477647, 978-1-4244-7765-4 |
| DOIs | |
| Publication status | Published - 2 Sept 2010 |
| Event | 2010 International Conference on Environmental and Agriculture Engineering, ICEAE 2010 - Kyoto, Japan Duration: 1 Aug 2010 → 3 Aug 2010 |
Conference
| Conference | 2010 International Conference on Environmental and Agriculture Engineering, ICEAE 2010 |
|---|---|
| Country/Territory | Japan |
| City | Kyoto |
| Period | 1/08/10 → 3/08/10 |
Keywords / Materials (for Non-textual outputs)
- CAP/PVDF blend membrane
- Inorganic-organic hybrid membrane
- Phase inversion method
- SBA-15
- Ultrafiltration
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