Phosphonium ionic liquids offer an ensemble of advantages for the preparation of novel polymer compositions and the design of functional membranes. Phosphonium ionic liquids offer enhanced chemical stability, thermal stability, and ion conductivity, coupled with their lack of volatility in many emerging applications ensure their potential impact. The phosphonium cation is relatively unexplored compared to ammonium analogs, and hence this lecture will focus on the design of novel phosphonium cation containing monomers and polymers. The ionic liquid motivation also has resulted in the preparation of novel polyelectrolytes and ion-containing polymers, wherein the ionic sites impart enhanced mechanical properties and conductivity in membranes and drug delivery systems. Phosphonium ionenes allow the preparation of unprecedented melt processable polyelectrolytes and ion-containing polymers, removing the requirement of volatile organic solvents in many membrane fabrication technologies. Figure 1. <img src='https://acs-archive-assets2.s3.amazonaws.com/241nm/uploads/63091_xudq-poster.jpg' alt='' />

Phosphonium ionic liquids in the design of novel high performance membranes

248th National Meeting (2014)

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