Kinetic features of the thermal decay of azodicarbonamide blowing agent in a plasticized polyvinyl chloride matrix

Influence of processing conditions on th

Influence of processing conditions on the leaching of thermal stabilizers from plasticized polyvinyl chloride in the presence of water

✍ I. Fras; P. Cassagnau; A. Michel 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 216 KB 👁 2 views

Plasticized PVC formulations for pharmaceutical packaging contain calcium and zinc stearates, which are PVC heat stabilizers. It was found in the literature that these additives can migrate to some aqueous solutions, especially when the pH is alkaline, the best example being sodium bicarbonate solut