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Nature of the first exothermic peak on the DSC curve of linear polydicyclopentadiene obtained with a special catalytic system
Authors:Doina Dimonie  M Dimonie  V Munteanu  H Iovu  J Couve  M J Abadie
Institution:

a ICECHIM, Chemical Research Institute, Splaiul Independentei Nr 202, 77208 Bucharest 6, Romania

b “Politehnica” University, Polizu 1 Bucharest, Romania

c NISREE, Spl.Unirii, No.313, Bucharest, Romania

d University Montpellier II, Montpellier, France

Abstract:A DSC and TGA study of linear polydicyclopentadiene (L-PDCPD) shows that the thermal behaviour of this polymer is characterized by an endothermic and two exothermic processes. In previous work it was demonstrated that the endothermic process is a glass transition and the second exotherm represents the thermo-oxidation of the polymer. In this work the first exothermic process is shown to be a possible thermal polymerization of the double bonds in the polymer chains.
Keywords:Linear polydicyclopentadiene  Thermal polymerization  Thermo-oxidation  Crosslinking  Polyannelated structure  FTIR simulation
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