Distribution of Heat Stabilizers in Plasticized PVC-Based Biomedical Devices: Temperature and Time Effects
Figure 7
Plot of the calcium carboxylates (1576 cm−1) (a), and zinc carboxylates (1540 cm−1), (b), peak area versus heating time at constant temperature of 30 (◊), 50 (□) and 70 (▵) °C for one year aged nonsterilized samples.
