Improvement in Polysulfone(PSf) Film Properties by Porogen Concept
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 6
Abstract
Polysulfone (PSf) is the most widely used polymer for preparation of ultrafiltration membranes. Its preparation need to be optimized to obtain membranes with desired qualities. PEG can be used as porogenic additive in these membranes, but the formation of membranes and PEG leaching need to be defined for better performance. The preparation and leaching analysis of polysulfone (PSf) based dense membrane with PEG as an additive was investigated. PEG with MW of 6000 was found to be optimum material with easy membrane formation. A defect free stable membrane formation was observed till 10 % PEG content (w/w) of PSf in membrane. During leaching the membranes showed better leaching characteristics without any change in volume till temperature of 30 °C. The constant volume indicated an increased porosity, which would improve the membrane transport properties.
Authors and Affiliations
Akshay D. Khade, Dr. Yogesh J. Chendake
Keywords
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