Molecular design and performance of FPPU and BPPU elastomers. (IMAGE)

Science China Press

Molecular design and performance of FPPU and BPPU elastomers.

Caption

(a) The chemical structure of the synthesized elastomers. (b) The representative illustration of FPPU elastomer, highlighting the electron−withdrawing effect of OFBP conducive to the dissociation of phenol−carbamate bonds and π−π stacking interactions, and the high free−volume resulting from OFBP promoting polymeric chain mobilities. (c) The comparison of properties for representative elastomers and synthesized FPPU. FPPU elastomer exhibited excellent comprehensive properties with the highest record puncture energy among the elastomers.

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