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Phase separation in poly(butylene terephthalate)-based materials prepared by solid-state modification
Abstract
The morphology of a series of poly(butylene terephthalate) (PBT)/fatty acid dimer diol (FADD)-based copolyesters prepared by solid-state modi fi cation (SSM) was studied. It was shown that in copolyesters containing less than 10 wt% FADD two different phases, i.e. a PBT crystalline phase and a PBT-rich amorphous phase, are present. The FADD residues were more or less homogeneously distributed throughout the interlamellar regions. For copolymers containing more than 10 wt% of FADD, a three- phase morphological model has to be used due to phase separation of a FADD-rich amorphous phase from the PBT-rich matrix, as con fi rmed by solid-state nuclear magnetic resonance spectroscopy and transmission electron microscopy. The fi nal morphology was dependent on the morphology of the PBT/ FADD-based physical mixtures prior to SSM. In addition, it was shown that FADD diffusion during SSM influences the final morphology.
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Authors (8)
-
Erik Gubbels
- Eindhoven University of Technology Department of Chemical Engineering and Chemistry
-
Daniel Hermida-Merino
- Netherlands Organization for Scientific Research (NWO) .
-
Michael Ryan Hansen
- Max Planck Institute for Polymer Research .
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Bart Noordover
- Eindhoven University of Technology Department of Chemical Engineering and Chemistry
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Anne Spoelstra
- Eindhoven University of Technology Department of Chemical Engineering and Chemistry
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Han Goossens
- Eindhoven University of Technology Department of Chemical Engineering and Chemistry
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Cor E. Koning
- Eindhoven University of Technology Department of Chemical Engineering and Chemistry
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Keywords
Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
POLYMER
no. 55,
edition 16,
pages 3801 - 3810,
ISSN: 0032-3861 - Language:
- English
- Publication year:
- 2014
- Bibliographic description:
- Gubbels E., Jasińska-Walc L., Hermida-Merino D., Hansen M., Noordover B., Spoelstra A., Goossens H., Koning C.: Phase separation in poly(butylene terephthalate)-based materials prepared by solid-state modification// POLYMER. -Vol. 55, iss. 16 (2014), s.3801-3810
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.polymer.2014.05.051
- Verified by:
- Gdańsk University of Technology
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