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Advances in the Development of Modified Polyphenylene Oxide Membranes for Gas Separation Applications
| Content Provider | Semantic Scholar |
|---|---|
| Author | Chowdhury, Geeta |
| Copyright Year | 2001 |
| Abstract | The selection of a polymer for use as a gas separation membrane material is essentially based on a number of intrinsic properties that control the performance characteristics of the separation system. Primarily, these properties are gas permeation properties, mechanical behavior and cost. Unfortunately, most polymers that are highly permeable are usually not very selective. On the other hand highly selective polymers are not very permeable. This typical trade-off has been well demonstrated by Robeson1 who has analyzed in great detail the existing permeability data for a large number of polymers. It has been noted by few authors,2 that polymer molecular structure can be manipulated to achieve the most favorable balance of transport properties. Resting and Fritzsche3 have made note of the importance of the effect of molecular weight (MW) of polymers on the performance of gas separation membranes. According to these authors, when dense membranes are prepared from equal viscosity sols, porosity and free volume (Vf) will increase with polymer molecular weight. They have also pointed out extremely favorable mechanical properties, along with high permeability characteristics of membranes from higher molecular weight polymers. |
| Starting Page | 105 |
| Ending Page | 147 |
| Page Count | 43 |
| File Format | PDF HTM / HTML |
| DOI | 10.1007/978-1-4615-1483-1_4 |
| Alternate Webpage(s) | https://page-one.springer.com/pdf/preview/10.1007/978-1-4615-1483-1_4 |
| Alternate Webpage(s) | https://doi.org/10.1007/978-1-4615-1483-1_4 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
