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Crystallization kinetics of PEO-alkaline perchlorate solutions observed by energy dispersive x-ray diffraction

TitoloCrystallization kinetics of PEO-alkaline perchlorate solutions observed by energy dispersive x-ray diffraction
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione1997
AutoriV. Albertini, Rossi, Appetecchi Giovanni Battista, Caminiti R., Croce F., Cilloco F., and Sadun C.
RivistaJournal of Macromolecular Science - Physics
Volume36
Paginazione629-641
ISSN00222348
Parole chiaveAlkaline perchlorate salts, Crystallization, Diffractometric, Energy dispersive x ray diffraction method, Liquori-Tripiciano law, Phase transitions, Polyethylene oxides, Reaction kinetics, Salts, X ray diffraction
Abstract

The crystallization kinetics of poly(ethylene oxide) doped with various alkaline perchlorate salts were measured at room temperature by means of the new energy dispersive x-ray diffraction method for the phase transition. The experimental points of the transformation coordinate were fitted using the phenomenological Liquori-Tripiciano law, the parameters of which were evaluated for each case. The influence of the concentration and of the cation dimensions on the crystallization rate is discussed. Further details about the application of this nonconventional diffractometric technique to polymers are also reported, as is an intuitive model for describing the method.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0346064260&partnerID=40&md5=5b78efe4db7af67fd4785a28ad99845c
Citation KeyRossiAlbertini1997629