Chen, H. X.; Lei, Z. P.; Huang, S. F.; Jiang, H.; Yu, K.; Jin, Y. H.; Zhang, W. Poly(imine-amide) hybrid covalent adaptable networks via in situ oxidation polymerization. Chinese J. Polym. Sci. 2023, 41, 1577–1583
Hong-Xuan Chen, Ze-Peng Lei, Shao-Feng Huang, et al. Poly(imine-amide) Hybrid Covalent Adaptable Networks viain situ Oxidation Polymerization[J]. Chinese Journal of Polymer Science, 2023, 41(10): 1577-1583. DOI: 10.1007/s10118-023-3022-3.
Chen, H. X.; Lei, Z. P.; Huang, S. F.; Jiang, H.; Yu, K.; Jin, Y. H.; Zhang, W. Poly(imine-amide) hybrid covalent adaptable networks via in situ oxidation polymerization. Chinese J. Polym. Sci. 2023, 41, 1577–1583DOI: 10.1007/s10118-023-3022-3.
Hong-Xuan Chen, Ze-Peng Lei, Shao-Feng Huang, et al. Poly(imine-amide) Hybrid Covalent Adaptable Networks viain situ Oxidation Polymerization[J]. Chinese Journal of Polymer Science, 2023, 41(10): 1577-1583. DOI: 10.1007/s10118-023-3022-3.DOI:
oxidation-polymerization that has enabled successful synthesis of mechanically strong poly(imine-amide) covalent adaptable networks. These hybrid materials exhibit high Young’s modulus and tensile strength while maintaining their reprocessibility and recyclability. This work demonstrates the great potential of the
in situ
transformation strategy.
Abstract
Polyimine represents a rapidly emerging class of readily accessible and affordable covalent adaptable networks (CANs) that have been extensively studied in the past few years. While being highly malleable and recyclable
the pioneering polyimine materials are relatively soft and not suitable for certain applications that require high mechanical performance. Recent studies have demonstrated the possibility of significantly improving polyimine properties by varying its monomer building blocks
but such component variations are usually not straightforward and can be potentially challenging and costly. Herein
we report an
in situ
oxidation polymerization strategy for preparation of mechanically strong poly(imine-amide) (PIA) hybrid CANs from simple amine and aldehyde monomers. By converting a portion of reversible imine bonds into high-strength amide linkages
in situ
the obtained hybrid materials exhibit gradually improved Young’s modulus and ultimate tensile strength as the oxidation level increased. Meanwhile
the PIAs remain reprocessable and can be depolymerized into small molecules and oligomers similar as polyimine. This work demonstrates the great potential of the
in situ
transformation strategy as a new approach for development of various mechanically tunable CANs from the same starting building blocks.
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