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 was employed to prepare an inimer compound to integrate DA linkages at branching points within a branched polymer backbone. Upon the application of a thermal stimulus, the retro-DA was induced and subsequent branch points were reduced to transform a highly branch architecture into a linear topology. 

Dynamic topology of thermally-responsive materials via Diels-Alder chemistry

247th National Meeting (2014)

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