Wear-Resistant Ultrahigh-Molecular-Weight Polyethylene-Based Nano- and Microcomposites for Implants

Figure 8

IR spectra of pure UHMWPE (1), UHMWPE-based nanocomposite (with 0.5 wt.% HA) (2) and UHMWPE-based microcomposite (with 20 wt.% HA) (3).