Article ID Journal Published Year Pages File Type
643466 Separation and Purification Technology 2009 6 Pages PDF
Abstract

A series of phosphazene heteropolymers (NP (OC6H4C3H5)x(OC6H5)y(OR)z)n were synthesized, where different pendant groups (–OC2H5, –OCH2CF3 and –OCH2CF2CF2CF2CF2H) providing hydrophobic property were used. All the polymers are amorphous materials with good film forming property. Pervaporation experiments were performed to characterize the polymer membranes. The results showed that polyorganophosphazene material with –OCH2CF3 group had the best membrane separation performance for ethanol/water mixture under the same content of hydrophobic group. Solubility parameters calculation and sorption measurement were also performed to study the structure–performance relationship.

Related Topics
Physical Sciences and Engineering Chemical Engineering Filtration and Separation
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