Application of chemiluminescence to probe miscibility in metallocene-catalyzed polyethylene blends

Cran, M.J, Fearon, P.K, Billingham, N.C and Bigger, S.W (2003) Application of chemiluminescence to probe miscibility in metallocene-catalyzed polyethylene blends Journal of Applied Polymer Science, 89 (11). pp. 3006-3015. ISSN 0021-8995

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Official URL: http://dx.doi.org/10.1002/app.12426

Abstract

Chemiluminescence (CL) monitoring has successfully been applied to the study of the oxidative degradation of two-component polyethylene blends made with commercially available low-density polyethylene, linear low-density polyethylene, high-density polyethylene, and metallocene-catalyzed linear low-density polyethylene (mLLDPE) formulations. The emphasis in the analysis of the results is placed on blends containing mLLDPE to address the lack of CL information on these blends. The CL data are consistent with the thermal and physicomechanical properties of the blends, with a decreased blend miscibility being reflected in the CL data as a departure from the idealized behavior observed for more miscible blends. Furthermore, the results suggest that immiscibility in the solid state is reflected to some extent in the behavior of the melt. Preliminary experiments conducted to determine the level of consistency of CL results with respect to both variability between instruments and variability between techniques indicate a high degree of correlation in each case. © 2003 Wiley Periodicals, Inc. J Appl Polym Sci 89: 3006-3015, 2003

Item Type:Journal article
Uncontrolled Keywords:blends • luminescence • metallocene catalysts • polyethylene (PE) • stabilization
Subjects:F000 Physical Sciences > F200 Materials Science
F000 Physical Sciences > F100 Chemistry
DOI (a stable link to the resource):10.1002/app.12426
Faculties:Faculty of Science and Engineering > School of Pharmacy and Biomolecular Sciences
ID Code:2553
Deposited By:editor spbs
Deposited On:08 Oct 2007
Last Modified:18 Jun 2010 12:32

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