Surface modification of polymer foams using plasma
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An embodiment includes a system comprising: a monolithic shape memory polymer (SMP) foam having first and second states; wherein the SMP foam includes: (a) polyurethane, (b) an inner half portion having inner reticulated cells defined by inner struts, (c) an outer half portion, having outer reticulated cells defined by outer struts, surrounding the inner portion in a plane that provides a cross-section of the SMP foam, (d) hydroxyl groups chemically bound to outer surfaces of both the inner and outer struts. Other embodiments are discussed herein.
Nash, Landon D.; Maitland, Duncan J.; Docherty, Nicole; Wilson, Thomas S.; Small, Ward IV; Ortega, Jason; Singhal, Pooja (2020). Surface modification of polymer foams using plasma. United States. Patent and Trademark Office; Texas A&M University. Libraries. Available electronically from