Annamaria Celli
University of Bologna
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Featured researches published by Annamaria Celli.
E-polymers | 2007
Corrado Berti; Annamaria Celli; Paola Marchese; Elisabetta Marianucci; Giancarlo Barbiroli; Francesco Di Credico
Abstract Some poly(alkylene dicarboxylate)s, derived from ethanediol or 1,4- butanediol and different diacids, have been synthesized and analyzed by DSC to determine the correlations existing between the thermal properties and the length of the aliphatic chain. The polymers show crystallization and melting temperatures and enthalpies which increase as the polymethylene segments lengthen, due to the formation of more stable crystals. The samples derived from ethanediol are peculiar; they show reorganization processes during the melting and the melting temperatures are notably higher with respect to those of the other polyesters. This behavior is discussed. Isothermal analysis highlights that poly(alkylene dicarboxylate)s are fast crystallizing polymers. The Avrami analysis suggests a crystallization mechanism characterized by heterogeneous nucleation and three dimensional growth; secondary crystallizations is present only in the samples characterized by short -(CH2)- sequences, due to the reorganization of less perfect crystalline forms. A comparative study between the crystallization rates as a function of the undercooling is reported.
Journal of Polymer Science Part B | 2004
Paola Marchese; Annamaria Celli; Maurizio Fiorini
Journal of Polymer Science Part B | 2007
Annamaria Celli; Giancarlo Barbiroli; Corrado Berti; Di Credico Francesco; Cesare Lorenzetti; Paola Marchese; Elisabetta Marianucci
European Polymer Journal | 2007
Corrado Berti; Annamaria Celli; Elisabetta Marianucci; Micaela Vannini
European Polymer Journal | 2005
Corrado Berti; Annamaria Celli; Elisabetta Marianucci; Micaela Vannini
European Polymer Journal | 2006
Corrado Berti; Annamaria Celli; Elisabetta Marianucci; Micaela Vannini
Archive | 2003
Corrado Berti; Daniel Joseph Brunelle; Annamaria Celli; Martino Collona; Maurizio Fiorini; Paola Marchese; Elisabetta Marianucci; Massimo Messori; Francesco Pilati; Laura Sisti
Macromolecular Chemistry and Physics | 2004
Annamaria Celli; Paola Marchese
Archive | 2002
Daniel Joseph Brunelle; Corrado Berti; Annamaria Celli; Martino Colonna; Maurizio Fiorini; Elisabetta Marianucci; Massimo Messori; Francesco Pilati; Laura Sisti; Paola Marchese
European Polymer Congress 2007 | 2007
Corrado Berti; Martino Colonna; Annamaria Celli; Paola Marchese; Maurizio Fiorini; Enrico Binassi; Daniel Joseph Brunelle