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Infrared spectral analysis of low concentration magnetoactive polymers

  • This work concerns an area of magnetoactive polymer (MAP) research seldom considered. Traditionally only MAP with high concentrations of magnetic filler (typically between 10 and 90 wt%) have been investigated. This article deals with a hitherto neglected aspect of research, namely MAP containing lower magnetic filler concentrations (1 to 3 wt%). This article utilizes a range of spectroscopic analysis methods (Raman and FTIR) and their applicability to MAP characterization at wavelengths ranging from 2.5 to 25 mu m. Particular attention is paid to low carbonyl iron particle (CIP) concentrations in MAP for which the emergence of capillary doublets at a critical 2 wt% concentration is revealed. This results in measurable magnetic field-dependent changes in IR absorption at a wavelength of 4.255 mu m together with a detectable CO2 susceptibility. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48366.

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Metadaten
Author:Nina PremORCiD, Dirk SindersbergerORCiD, Gareth J. MonkmanORCiDGND
URN:urn:nbn:de:bvb:898-opus4-25913
DOI:https://doi.org/10.1002/app.48366
ISSN:1097-4628
Parent Title (English):Journal of Applied Polymer Science
Publisher:Wiley
Document Type:Article
Language:English
Year of first Publication:2020
Publishing Institution:Ostbayerische Technische Hochschule Regensburg
Creating Corporation:WILEY
Release Date:2022/01/31
Tag:ELASTOMERS; magnetism and magnetic properties; sensors and actuators; spectroscopy
Volume:137
Issue:7
First Page:1
Last Page:7
Note:
Corresponding author: Nina Prem
Institutes:Fakultät Elektro- und Informationstechnik
Fakultät Elektro- und Informationstechnik / Mechatronics Research Unit (MRU)
Begutachtungsstatus:peer-reviewed
research focus:Energie und Mobilität
OpenAccess Publikationsweg:Hybrid Open Access - OA-Veröffentlichung in einer Subskriptionszeitschrift/-medium
Corresponding author der OTH Regensburg
Funding:DEAL Wiley
Licence (German):Creative Commons - CC BY - Namensnennung 4.0 International