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 light-activated ATRP was utilized to incorporate DA linkages at a central core. By utilizing different DA linkages, polymer composition and topology were controlled upon the application of a thermal stimulus, including inversion of composition and variation in topology.

Manipulation of molecular topology and composition using Diels-Alder chemistry

255th National Meeting (2018)

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