Thermally-responsive materials have been prepared in a multitude of ways for a wide variety of applications. One aspect not previously exploited is the ability to induce changes in polymer architecture. Diels-Alder (DA) chemistry and RAFT polymerization techniques were employed to prepare star-like structures with DA linkages at a central core. Upon the application of a thermal stimulus, the retro-DA was induced and star-like structures were reduced to a linear topology. This had significant impact upon the LCST and provided opportunity to tune the LCST based upon the polymer topology.

Controlling polymer solubility with Diels-Alder chemistry and LCST

255th National Meeting (2018)

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