Ring opening metathesis polymerization (ROMP) is a reaction where a C=C bond within a ring is broken and knitted to another molecule in a polymerizing cascade. The reaction is driven by relieving the strain of the C=C bond and is usually accomplished through the use of metal catalysts. However traces of the catalyst can remain in the product, making metal-catalyzed ROMP polymers unsuited for electronic and biological applications (due to conductivity and toxicity issues respectively). Researchers at University of Washington, Seattle have demonstrated a method for ROMP without the use of metal catalysts. This method utilizes electron-rich vinyl ethers to initiate ROMP reaction through a radical mechanism. Current application has only been to the norbornene system, however work is continuing to expand the scope of this reaction. Journal of American Chemical Society 2015, Published online |
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December 2021
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