Two and three-dimensional imine-type covalent organic frameworks (COFs) / polymers show promise as high-surface-area solid supports for gas/energy storage, water purification, and catalysis. The mechanical properties of these materials have not been extensively investigated, but computational models suggest that 2-D polymers with interlayer H-bonds will demonstrate significantly improved mechanical properties over non-H-bonded 2-D polymers. In this presentation, strategies for producing highly-crystalline imine-type 2-D polymers without significant interlayer H-bonding, as well as synthetic procedures for subsequently transforming those structures to amide-type 2-D polymers with interlayer H-bonding, will be discussed. Efforts to create composite films containing linear polymer and 2-D polymer components will also be presented.

Synthesis of hydrogen-bonded 2-D polymers

2019 Fall National Meeting

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