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|a 10.1002/adma.202100068
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|a eng
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|a Funtan, Alexander
|e verfasserin
|4 aut
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|a Self-Diagnostic Polymers-Inline Detection of Thermal Degradation of Unsaturated Poly(ester imide)s
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|c 2021
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 13.10.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Monitoring polymer degradation is an important quest, particularly relevant for industry. Although many indirect methodologies for assessing polymer degradation exist, only few are applicable for an inline-monitoring via optic detection-systems. An inline-monitoring system is introduced for the thermal degradation of crosslinked poly(ester imide)s (PEIs) by embedding trifluoroacetyl functionalized stilbene molecules, serving as chemosensors to track the release of generated alcoholic byproducts. Nucleophilic addition of an alcohol to the sensors trifluoroacetyl functionality triggers hemiacetal formation which is accompanied by significant changes in optical properties, in turn allowing monitoring of sensor activation by direct spectroscopy. Fluorescence spectroscopy offers an easy detection tool for the inline thermal monitoring of PEI-degradation
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|a Journal Article
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|a chemosensors
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|a optical sensors
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|a poly(ester imide)s
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|a stilbenes
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|a thermal polymer degradation
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|a Michael, Philipp
|e verfasserin
|4 aut
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|a Rost, Simon
|e verfasserin
|4 aut
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| 700 |
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|a Omeis, Jürgen
|e verfasserin
|4 aut
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|a Lienert, Klaus
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|4 aut
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|a Binder, Wolfgang H
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 18 vom: 04. Mai, Seite e2100068
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|x 1521-4095
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|g volume:33
|g year:2021
|g number:18
|g day:04
|g month:05
|g pages:e2100068
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|u http://dx.doi.org/10.1002/adma.202100068
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