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Polymer Bulletin
Erschienen in: Polymer Bulletin 9/2012

01.12.2012 | Original Paper

Determination of crystallization parameters and occurrence of trans-reaction in a ternary polymer blend system

verfasst von: Adam Al-Mulla

Erschienen in: Polymer Bulletin | Ausgabe 9/2012

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Abstract

Differential scanning calorimetry (DSC) results under non-isothermal cooling conditions of a blend consisting of polytrimethylene terephthalate (PTT)/polybutylene terephthalate (PBT)/and polycarbonate (PC) in the ratio 25:25:50 wt% are reported. Kissinger and Matusita models were used to evaluate the kinetic parameters for the crystallization process for the neat polyesters and the blend. Probable growth mechanisms which occur during the transformation from amorphous to crystalline state are discussed. The blend system comprising of semicrystallizable polyesters and an amorphous polycarbonate was characterized for possible trans-reaction occurring in the system using differential scanning calorimeter, proton nuclear magnetic resonance (1H NMR), and Fourier transform infrared spectroscopy (FT-IR) analysis. DSC analysis of the blend indicated that it is an immiscible system. 1H NMR and FT-IR analysis indicate that no chemical trans-reaction is found to have occurred between these three polymers. Based on these results it can be justified that transesterification was not a necessary condition for miscibility in PTT/PBT/PC blend.
Vorheriger Artikel Soap-free emulsion polymerization of n-butyl acrylate in aqueous solution in the presence of α- and methylated β-cyclodextrin
Nächster Artikel Effect of SEBS on morphology, thermal, and mechanical properties of PP/organoclay nanocomposites

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Metadaten
Titel
Determination of crystallization parameters and occurrence of trans-reaction in a ternary polymer blend system
verfasst von
Adam Al-Mulla
Publikationsdatum
01.12.2012
Verlag
Springer-Verlag
Erschienen in
Polymer Bulletin / Ausgabe 9/2012
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-012-0779-x

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