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Broadband dielectric spectroscopy to validate architectural features in Type-A polymers: Revisiting the poly(glycidyl phenyl ether) case

AuthorsMartínez-Tong, Daniel E. ; Ochs, Jordan; Barroso-Bujans, Fabienne ; Alegría, Ángel
Issue Date22-Jul-2019
CitationEuropean Physical Journal E 42: 93 (2019)
AbstractBroadband dielectric spectroscopy (BDS) is a powerful technique that allows studying the molecular dynamics of materials containing polar entities. Among a vast set of different applications, BDS can be used as a complementary tool in polymer synthesis. In this work, we will show how BDS can be used to validate architectural features in Type-A polymers, those having a net dipole moment component along the chain contour. Specifically, we will focus on the evaluation of the dielectric relaxation of poly(glycidyl phenyl ether) (PGPE) samples designed and synthesized with a variety of topologies and regio-orders: linear regio-regular chains synthesized from monofunctional and bifunctional initiators, macrocyclic regio-regular chains, and linear and macrocyclic regio-irregular chains. Our study highlights the impact of using BDS as a complementary characterization technique for providing topological details of polymers, which are otherwise not possible with many traditional techniques (e.g., NMR and mass spectrometry).
Publisher version (URL)http://dx.doi.org/10.1140/epje/i2019-11859-x
Identifiersdoi: 10.1140/epje/i2019-11859-x
e-issn: 1292-895X
issn: 1292-8941
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