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Structural Investigation of Poly(ethylene furanoate) Polymorphs
α and β crystalline phases of poly(ethylene furanoate) (PEF) were determined using X-ray powder diffraction by structure resolution in direct space and Rietveld refinement. Moreover, the α’ structure of a PEF sample was refined from data previously reported for PEF fiber. Triclinic α-PEF a = 5.729 Å...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6415112/ https://www.ncbi.nlm.nih.gov/pubmed/30966331 http://dx.doi.org/10.3390/polym10030296 |
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author | Maini, Lucia Gigli, Matteo Gazzano, Massimo Lotti, Nadia Bikiaris, Dimitrios N. Papageorgiou, George Z. |
author_facet | Maini, Lucia Gigli, Matteo Gazzano, Massimo Lotti, Nadia Bikiaris, Dimitrios N. Papageorgiou, George Z. |
author_sort | Maini, Lucia |
collection | PubMed |
description | α and β crystalline phases of poly(ethylene furanoate) (PEF) were determined using X-ray powder diffraction by structure resolution in direct space and Rietveld refinement. Moreover, the α’ structure of a PEF sample was refined from data previously reported for PEF fiber. Triclinic α-PEF a = 5.729 Å, b = 7.89 Å, c = 9.62 Å, α = 98.1°, β = 65.1°, γ = 101.3°; monoclinic α’-PEF a = 5.912 Å, b = 6.91 Å, c = 19.73 Å, α = 90°, β = 90°, γ = 104.41°; and monoclinic β-PEF a = 5.953 Å, b = 6.60 Å, c = 10.52 Å, α = 90°, β = 107.0°, γ = 90° were determined as the best fitting of X-ray diffraction (XRD) powder patterns. Final atomic coordinates are reported for all polymorphs. In all cases PEF chains adopted an almost planar configuration. |
format | Online Article Text |
id | pubmed-6415112 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-64151122019-04-02 Structural Investigation of Poly(ethylene furanoate) Polymorphs Maini, Lucia Gigli, Matteo Gazzano, Massimo Lotti, Nadia Bikiaris, Dimitrios N. Papageorgiou, George Z. Polymers (Basel) Article α and β crystalline phases of poly(ethylene furanoate) (PEF) were determined using X-ray powder diffraction by structure resolution in direct space and Rietveld refinement. Moreover, the α’ structure of a PEF sample was refined from data previously reported for PEF fiber. Triclinic α-PEF a = 5.729 Å, b = 7.89 Å, c = 9.62 Å, α = 98.1°, β = 65.1°, γ = 101.3°; monoclinic α’-PEF a = 5.912 Å, b = 6.91 Å, c = 19.73 Å, α = 90°, β = 90°, γ = 104.41°; and monoclinic β-PEF a = 5.953 Å, b = 6.60 Å, c = 10.52 Å, α = 90°, β = 107.0°, γ = 90° were determined as the best fitting of X-ray diffraction (XRD) powder patterns. Final atomic coordinates are reported for all polymorphs. In all cases PEF chains adopted an almost planar configuration. MDPI 2018-03-09 /pmc/articles/PMC6415112/ /pubmed/30966331 http://dx.doi.org/10.3390/polym10030296 Text en © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Article Maini, Lucia Gigli, Matteo Gazzano, Massimo Lotti, Nadia Bikiaris, Dimitrios N. Papageorgiou, George Z. Structural Investigation of Poly(ethylene furanoate) Polymorphs |
title | Structural Investigation of Poly(ethylene furanoate) Polymorphs |
title_full | Structural Investigation of Poly(ethylene furanoate) Polymorphs |
title_fullStr | Structural Investigation of Poly(ethylene furanoate) Polymorphs |
title_full_unstemmed | Structural Investigation of Poly(ethylene furanoate) Polymorphs |
title_short | Structural Investigation of Poly(ethylene furanoate) Polymorphs |
title_sort | structural investigation of poly(ethylene furanoate) polymorphs |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6415112/ https://www.ncbi.nlm.nih.gov/pubmed/30966331 http://dx.doi.org/10.3390/polym10030296 |
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