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Near Infrared Laser Sensor System for In-Line Detection of Conversion in UV-Cured Polymer Coatings

Bach, Mathias

The work describes a method for the determination of the conversion by radical photopolymerization of acrylic coatings that is suitable for an in situ monitoring during the coating process.
The applied method is based on the 1620 nm overtone absorption of the acrylate end group. The capability of the sensor to discriminate between polymerized and unpolymerized coatings on metal substrates down to a coating thickness of less than 16µm is demonstrated and and proved by reference measurements.

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Volltext §
DOI: 10.5445/KSP/1000027435
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Cover der Publikation
Zugehörige Institution(en) am KIT Lichttechnisches Institut (LTI)
Publikationstyp Hochschulschrift
Publikationsjahr 2012
Sprache Englisch
Identifikator ISBN: 978-3-86644-839-1
KITopen-ID: 1000027435
Verlag KIT Scientific Publishing
Umfang VII, 129 S.
Art der Arbeit Dissertation
Fakultät Fakultät für Elektrotechnik und Informationstechnik (ETIT)
Institut Lichttechnisches Institut (LTI)
Prüfungsdaten 24.04.2012
Referent/Betreuer Prof. W. Heering
Schlagwörter UV-coatings, IR-spectroscopy, conversion monitoring, acrylate, in-line monioring, photopolymerization, 1620 nm overtone absorption, coating thickness
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