1. Brydson, J.A.: Plastics Materials, 7th edn. Butterworth-Heinemann, UK (1999)
2. Brebu, M., Vasile, C., RovanaAntonie, S., Chiriac, M., Precup, M., Yang, J., Roy, C.: Study of the natural ageing of PVC insulation for electrical cables. Polym. Degrad. Stab. 67(2), 209–221 (2000)
3. Baltacioglu, H., Balkose, D.: Effect of zinc stearate and/or epoxidised soybean oil on gelation and thermal stability of PVC-DOP plastigels. J. Appl. Polym. Sci. 74(10), 2488–2498 (1999)
4. Hollande, S., Laurent, J.: Study of discoloring change in PVC, plasticizer and plasticized PVC films. Polym. Degrad. Stab. 55(2), 141–145 (1997)
5. Okieimen, F.E., Ebhoaye, J.E.: Thermal dehydrochlorination of PVC in the presence of rubber seed oil. Macromol. Mater. Eng. 206(1), 11–20 (1993)