Lifetime prediction for polymer materials using OIT measurements by the DSC method - Rapid Communication

Z. Dobkowski

Published : 2022-09-01

Vol. 50 No. 3 (2005)

Lifetime prediction for polymer materials using OIT measurements by the DSC method - Rapid Communication

Z. Dobkowski

Abstract

The standard procedure of OIT measurements by DSC method was applied for prediction of lifetime of polymer materials. Investigations of unmodified and modified, i.e. grafted and filled PE-LLD have been described, as an example. OIT values were measured in the temperature range (in general) from 180 to 240 degrees C, then the activation energy and the lifetime values were calculated. The following sequence of increasing thermal stability and increasing lifetime values has been found PE-LLD grafted < PE-LLD unmodified < PE-LLD filled compositions. The described approach can be recommended for the lifetime prediction of other polymer materials, in particular those susceptible to the thermooxidative degradation.

Keywords

czas indukcji utleniania ; degradacja termoutleniająca ; energia aktywacji ; czas życia materiałów polimerowych ; liniowy polietylen małej gęstości oxidation induction time (OIT) ; activation energy from OIT ; lifetime values of polymer materials ; modified PE

Details

References

Statistics

Authors

Download files

PDF

Zasady cytowania

Dobkowski, Z. (2022). Lifetime prediction for polymer materials using OIT measurements by the DSC method - Rapid Communication. Polimery, 50(3), 213-215. Retrieved from https://ichp.vot.pl/index.php/p/article/view/1710

References

PN-EN 728:1999, “Plastic piping systems and ducting systems. Polyolefin pipes and fittings. Determination of oxidation induction time”.

2. ISO 11357-6:2002, “Plastics — Differential Scanning Calorimetry (DSC) — Part 6: Determination of oxidation induction time”.

3. Mason L. R., Reynolds A. B.: J. Appl. Polym. Sci. 1997, 66, 1691.

4. Bair H. E.: “Thermal Analysis of Additives in Polymers” in: “Thermal characterization of polymeric materials” (Ed. Turi E. A.), 2nd ed., Academic Press, San Diego 1997, pp. 2263—2410.

5. Dobkowski Z.: Polimery 2004, 49, 343.

6. Schmid M., Ritter A., Affolter S.: Polimery 2004, 49, 333.

7. Budrugeac P.: Polym. Degrad. Stab. 2002, 68, 289.

8. Dobkowski Z.: “Activation energy of thermooxidative degradation from OIT for lifetime prediction of polymer materials” in: Proceedings of POLMATIN Workshop “Standardisation, Measurement and Testing of polymer materials for better quality of life”, Warsaw, 9—10 October 2003.

9. Jakubowicz I.: Polimery 2004, 49, 321.

10. Montanari G. C.: IEEE Trans. Electr. Insulat. 1990, 25, 1046.

11. Langlois V., Audouin L., Verdu J., Courtois P.: Polym. Degrad. Stab. 1993, 40, 399.

12. Dobkowski Z., Rudnik E.: J. Thermal. Anal. 1997, 48, 1393.

13. Gupta Y. N., Chakraborty A., Pandey G. D., Setua D. K.: J. Appl. Polym. Sci. 2004, 92, 1737.

14. Montanari G. C., Lebok F. J.: IEEE Trans. Electr. Insulat. 1990, 25, 1029.

15. Dobkowski Z., Rudnik E.: J. Therm. Anal. Cal. 2002, 69, 693.

16. Dobkowski Z., Pełka J.: ICRI Ann. Report 2001, ICRI Warsaw 2002, 109.

Google Scholar

Citing articles via

Statistics

Total abstract views : 187

PDF Downloads : 97