Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/59654
Type: Artigo de periódico
Title: PHOTOLUMINESCENCE STUDY OF BETA-RELAXATION OF POLYETHYLENE BLENDS
Author: MARTINSFRANCHETTI, SM
ATVARS, TDZ
Abstract: Secondary beta relaxation of polyethylene blends (50/50 HDPE/LDPE) were studied by photoluminescence of anthracene molecules dissolved in the polymer bulk. The temperature of the beta relaxation has been determined as T(beta) = -40-degrees-C by the dependence of the ratio of vibronic components of the fluorescence band on the temperature. The molecular mechanism of this relaxation has been discussed considering the possibility of the energy migration involving anthracene molecules in the singlet electronic excited and ground states. (C) 1993 John Wiley & Sons, Inc.
Editor: John Wiley & Sons Inc
Rights: fechado
Identifier DOI: 10.1002/app.1993.070500913
Date Issue: 1993
Appears in Collections:Unicamp - Artigos e Outros Documentos

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