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Mechanical properties of supramolecular polymeric materials cross-linked by donor–acceptor interactions
- Itano, Misaki, Kobayashi, Yuichiro, Takashima, Yoshinori, Harada, Akira, Yamaguchi, Hiroyasu
- Chemical communications 2019 v.55 no.26 pp. 3809-3812
- chemical bonding, chemical reactions, crosslinking, energy, mechanical properties, polymers
- We prepared polymeric materials cross-linked by donor–acceptor (DA) interactions between pyrene (Py) and trinitrobenzene (TNB) on the same polymer side chain. Although a mixture of a Py polymer and a TNB polymer did not form an elastomer, a polymer bearing DA units on the same polymer chain formed an elastomer. The fracture energy of the elastomer was higher than that of the covalently cross-linked elastomer.