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Analyzing morphology and thermal history of polybutylene terephthalate by THz time-domain spectroscopy

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dc.contributor.authorWietzke, S.
dc.contributor.authorReuter, M.
dc.contributor.authorNestle, N.
dc.contributor.authorKlimov, E.
dc.contributor.authorZadok, U.
dc.contributor.authorFischer, B.
dc.contributor.authorKoch, M.
dc.date.issued2011
dc.description.abstractWe have measured the frequency-dependent dielectric function of semicrystalline polybutylene terephthalate (PBT) in the terahertz region between 100 GHz and approximately 2.8 THz. A characteristic band is observed around 2.38 THz. The intensity of this band is a good indicator of the degree of crystallinity of the different samples. A potential assignment of this band is proposed,based on the comparison with spectroscopic data of the structurally very similar polyethylene terephtalate (PET). Furthermore, the frequency-dependent index of refraction of PBT reveals more insight about the morphology and different thermal history of the samples under investigation.
dc.description.statementofresponsibilitySteffen Wietzke, Marco Reuter, Nikolaus Nestle, Evgueni Klimov, Uri Zadok, Bernd M. Fischer and Martin Koch
dc.identifier.citationJournal of Infrared, Millimeter and Terahertz Waves, 2011; 32(7):952-959
dc.identifier.doi10.1007/s10762-011-9810-9
dc.identifier.issn1866-6892
dc.identifier.issn1866-6906
dc.identifier.urihttp://hdl.handle.net/2440/71990
dc.language.isoen
dc.publisherSpringer
dc.rights© Springer Science+Business Media, LLC 2011
dc.source.urihttps://doi.org/10.1007/s10762-011-9810-9
dc.subjectTerahertz time-domain spectroscopy
dc.subjectpolybutylene terephthalate
dc.subjectPBT
dc.subjectdegree of crystallinity
dc.subjectmorphology
dc.subjectstructure
dc.subjectmacromolecule
dc.subjectindex of refraction
dc.subjectrefractive index
dc.subjectabsorption coefficient
dc.subjectthermal history
dc.subjectamorphous domains
dc.subjectsemi-crystalline polymer
dc.subjectnon-destructive
dc.subjectanalysis
dc.titleAnalyzing morphology and thermal history of polybutylene terephthalate by THz time-domain spectroscopy
dc.typeJournal article
pubs.publication-statusPublished

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