Supramolecular networks enabled by incorporation of selenadiazoles. (a) Schematic of tandem step‐growth/Passerini polymerization methodology. (b) Size‐exclusion chromatograms of three selenadiazole containing polymers and two control polymers synthesized with benzaldehyde. (c) Differential scanning calorimetry curves highlighting the increase in Tg of 2Se‐2N containing polymers as compared to controls. (Insert) Inverted vial test at time zero and 24 hours highlighting that pSe3 does not flow at room temperature.

Supramolecular networks enabled by incorporation of selenadiazoles. (a) Schematic of tandem step‐growth/Passerini polymerization methodology. (b) Size‐exclusion chromatograms of three selenadiazole containing polymers and two control polymers synthesized with benzaldehyde. (c) Differential scanning calorimetry curves highlighting the increase in Tg of 2Se‐2N containing polymers as compared to controls. (Insert) Inverted vial test at time zero and 24 hours highlighting that pSe3 does not flow at room temperature.

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Herein we introduce chalcogen squares via selenadiazole motifs as a new class of dynamic supramolecular bonding interactions for the modification and control of soft matter materials. We showcase selenadiazole motifs in supramolecular networks of varying primary chain length prepared through polymerization using tandem step‐growth/Passerini multico...