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Quasi-static tensile testing-to-failure results for samples with increased supramolecular cross-linking. Failure strain decreases while failure stress increases with increased UPy content (upper, a). Toughness peaks around 15 wt % UPy. All tests were conducted at the peak of loss modulus from DMA (1 Hz) (middle, b). Peak of loss modulus as determined by DMA at 1 Hz for samples that were subsequently quasi-statically strained to failure (lower, c).
