Research Article

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

Table 1

Composition (wt.%) of the aqueous PU dispersion*.

ReagentsConcentration (wt.%)

Isophorone diisocyanate (IPDI)8.58
Polycaprolactone-diol 1000 (PCL1000)4.85
Polycaprolactone-diol 2000 (PCL2000)9.09
Polyethylene glycol 1500 (PEG 1500)0.73
2,2-bis(hydroxymethyl) propionic acid (DMPA)0.97
Triethylamine (TEA)0.73
Water74.70
Hydrazine (HZ)1.08

*0.01% of dibutyl tin dilaurate based on the amounts of IPDI, PCL, and DMPA.