Montmorillonite Clay-Based Polyurethane Nanocomposite As Local Triamcinolone Acetonide Delivery System

Figure 2

FTIR spectra of pure PU (a), PU-NC (containing clay) (b), TA PU implants (c), TA PU-NC implants (d), pure TA, (e) and pure montmorillonite (f).