Fig. 2From: Palm kernel oil-based polyester polyurethane composites incorporated with multi-walled carbon nanotubes for biomedical applicationPhotograph of the sample; a PU film, b PU-MWNT01 film, c PU-MWNT04 film, d PU-MWNT08 film, and e decreased transmittance (%) of PU film at higher loading of MWNTsBack to article page