Can Supercritical Carbon Dioxide Improve the Mechanical Integrity of Ultrahigh-Molecular-Weight Polyethylene?


  • We acknowledge the EPSRC for funding (A.N.) and Royal Society for Russia-UK Joint Project Grant. We thank Mr. P. Fields and Mr. R. Wilson for their technical assistance. We also acknowledge the School of Mechanical, Materials and Manufacturing Engineering for their assistance with the mechanical measurement. S.M.H. is a Royal Society – Wolfson Research Merit Award Holder. Supporting Information is available online from Wiley InterScience or from the author.


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A novel ultrahigh-molecular-weight polyethylene/polymethacrylate semi- interpenetrating network is prepared using supercritical CO2. The mechanical properties of the UHMWPE material are vastly superior to the unmodified material and are related to the microstructure of these novel materials.