Ionenes are special type ionic polymers that have ions adhere to the backbone rather than as pendants. These arrangement helps to synthesize these polymers via classical condensation reactions. The features and behavior of these ionenes depend upon the spacing in-between cations, the nature of charged moieties such as changing structure or type of anion, and soft segments that will impact the intermolecular interactions, self-assembly, and their structure property. In order to tune the properties, a series of ionenes based on polyiomidazolium-urethanes was prepared. In this presentation, we will show the synthesis of these ionenes-urethane polymers and their structure-property relationship. We will show how changes in anion functional type and changes in soft segments will impact the structural, self-assembly, thermal, and mechanical properties of these ionenes-polyurethanes.

Structure-property behavior of ionenes-based polyurethanes 

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