Research Article

Thermal Stabilization of Polyoxymethylene by PEG-Functionalized Hydroxyapatite: Examining the Effects of Reduced Formaldehyde Release and Enhanced Bioactivity

Figure 5

The XRD patterns of POM/HA-g-PEG composites in the range of 2θ = 15–55° (a) and 2θ = 22–24° (b).