Chemically fueled covalent crosslinking of polymer materials | Zendy

Borui Zhang | Zendy; Isuru M. Jayalath | Zendy; Jun Ke | Zendy; Jessica L. Sparks | Zendy; C. Scott Hartley | Zendy; Dominik Konkolewicz | Zendy

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Chemically fueled covalent crosslinking of polymer materials

Author(s) -

Borui Zhang,

Isuru M. Jayalath,

Jun Ke,

Jessica L. Sparks,

C. Scott Hartley,

Dominik Konkolewicz

Publication year - 2019

Publication title -

chemical communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.837

H-Index - 333

eISSN - 1364-548X

pISSN - 1359-7345

DOI - 10.1039/c8cc09823a

Subject(s) - covalent bond , polymer , polymer science , materials science , polymer chemistry , chemical engineering , chemistry , organic chemistry , composite material , engineering

Transiently crosslinked dynamic polymer networks are developed, using carbodiimide hydration to link carboxylic acids as anhydrides. From aqueous polymer solutions, non-equilibrium hydrogels are transiently formed, which dissolve upon anhydride hydrolysis. The materials can be refueled using a subsequent injection of carbodiimide. The gels exhibit higher storage moduli compared to transient supramolecular gels as a result of their covalent crosslinks.

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