The first photo-initiated synthesis of click-telechelic polymers and growth of polymer gels is described. Specifically, UV and sunlight initiated growth of from a bis-norbornene trithiocarbonate moiety were studied in detail. Conditions were identified that enable facile access to living, norbornene-telechelic poly(NiPAAm) macromers. We demonstrate that these macromers (R-A2) can be end-linked with a tri-tetrazine derivative (R-B3) via inverse electron demand Diels-Alder cycloaddition. Addition of a new batch of monomer, followed by exposure to sunlight, leads to �photo-growth� of the network pores.

Using sunlight to grow telechelic polymers and end-linked polymer networks: Synthesis of “flower-mimetic” gels

245th National Meeting (2013)

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