Polymers modified with a functional group, such as chain end functionalization, have shown to alter their properties and polymer morphologies drastically. Chain end transformation is actually a well-established technique, and polymers with end group of various functionalities such as amine, carboxylic, and zwitterionic groups have been reported. Recently, chain end modifications have been applied to a broader range of polymers including conjugated polymers, polymer electrolytes, and a recent review provides an excellent overview in this area. We recently exploited the use of oligodimethylsiloxane (ODMS) functioned with an ionic liquid group to mimic lipid membranes. In this contribution, we report the synthesis and solution properties of several ODMS-ILs with the same cationic group but different anionic counter ions in various solvents. Dynamic light scattering and small-angle neutron scattering revealed the important roles of the counter ionic groups. These results help us design better polymeric materials for mimicking lipid membranes.

Solution behavior of oligodimethylsiloxane with an ionic liquid chain end (ODMS-IL)

ACS Fall 2021

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