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

Figure 12

SEM/EDX results of POM/HA-g-PEG composites after incubation in SBF: (a–c) POM, (d–f) 5.0% HA-g-PEG 600, (g–i) 5.0% HA-g-PEG 2000, and (j–l) 5.0% HA-g-PEG 6000.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)