Effect of melt flow rate of polycarbonate and cobalt catalyst on properties of PET/PC (80/20 wt%) reactive blending

The influence of PC melt flow rate (MFR) on phase behavior, thermal and rheological properties of catalysed and non-catalysed poly(ethylene terephthalate)/polycarbonate (PET/PC) (80/20 wt%) reactive blending were investigated. Two types of PC named PC1 and PC2 with MFR 3.1 and 10.8 g/10 min, respect...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2010-02, Vol.99 (2), p.545-549
Main Authors: Mendes, L. C., Abrigo, R. E. R., Ramos, V. D., Pereira, P. S. C.
Format: Article
Language:English
Subjects:
Analysis
Analytical Chemistry
Applied sciences
Blending
Calorimetry
Catalysts
Chemistry
Chemistry and Materials Science
Cobalt
Exact sciences and technology
Flow rate
Inorganic Chemistry
Measurement Science and Instrumentation
Melts
Organic polymers
Physical Chemistry
Physicochemistry of polymers
Polycarbonates
Polyethylene terephthalates
Polymer blends
Polymer Sciences
Properties and characterization
Thermal and thermodynamic properties
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Summary:The influence of PC melt flow rate (MFR) on phase behavior, thermal and rheological properties of catalysed and non-catalysed poly(ethylene terephthalate)/polycarbonate (PET/PC) (80/20 wt%) reactive blending were investigated. Two types of PC named PC1 and PC2 with MFR 3.1 and 10.8 g/10 min, respectively, were used. Each PC and the catalyst showed significant influence on calorimetric properties, thermal stability and WAXS patterns of the blends. Regarding to TG/DTG, the blends degraded in two steps which were attributed to PET rich phase and PC one and permit to infer that a partially miscible blends were produced.
ISSN:1388-6150
1588-2926
1572-8943
DOI:10.1007/s10973-009-0211-4