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

M.J. Cran, Peter Fearon, N.C. Billingham, S.W. Bigger

Research output: Contribution to journalArticle

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
Original languageEnglish
Pages (from-to)3006-3015
Number of pages10
JournalJournal of Applied Polymer Science
Volume89
Issue number11
DOIs
Publication statusPublished - 27 Jun 2003

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probe
immiscibility
miscibility
melt
degradation
monitoring
experiment

Keywords

  • blends
  • luminescence
  • metallocene catalysts
  • polyethylene (PE)
  • stabilization

Cite this

Cran, M.J. ; Fearon, Peter ; Billingham, N.C. ; Bigger, S.W. / Application of chemiluminescence to probe miscibility in metallocene-catalyzed polyethylene blends. In: Journal of Applied Polymer Science. 2003 ; Vol. 89, No. 11. pp. 3006-3015.
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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. {\circledC} 2003 Wiley Periodicals, Inc. J Appl Polym Sci 89: 3006-3015, 2003",
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Application of chemiluminescence to probe miscibility in metallocene-catalyzed polyethylene blends. / Cran, M.J.; Fearon, Peter; Billingham, N.C.; Bigger, S.W.

In: Journal of Applied Polymer Science, Vol. 89, No. 11, 27.06.2003, p. 3006-3015.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Application of chemiluminescence to probe miscibility in metallocene-catalyzed polyethylene blends

AU - Cran, M.J.

AU - Fearon, Peter

AU - Billingham, N.C.

AU - Bigger, S.W.

PY - 2003/6/27

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N2 - 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

AB - 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

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KW - metallocene catalysts

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KW - stabilization

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