title: Long-term stability of cellulose acetate butyrate thin films for nuclear certified reference materials.
abstract: Characterization of cellulose acetate butyrate (CAB) thin films with 17, 35 and 52 wt% butyryl is carried out to select the most suitable matrix material for the U and Pu containing large-sized dried spike reference material. The virgin CAB samples were aged by vibrations, heat, humidity, UV light and X-rays. Characterization was done by thermo-analytical techniques, gel permeation chromatography, mechanical tests and via Rayleigh and Compton scattering. The results show that CAB with lower butyryl content can withstand higher operational temperatures and has greater mechanical strength while CAB with higher butyryl content seems to be more resistant to radiation.
authors.affiliation: Directorate G: Nuclear Safety & Security, Joint Research Centre, European Commission, Retieseweg 111, 2440 Geel, Belgium.
authors.forename: Renáta
authors.identifier: 0000-0001-8559-6576
authors.initials: R
authors.lastname: Buják
authors.affiliation: Centre for Polymer & Material Technologies (CPMT), Faculty of Engineering and Architecture, Ghent University, Technologiepark 915, 9052 Zwijnaarde, Belgium.
authors.forename: Laurens
authors.initials: L
authors.lastname: Delva
authors.affiliation: Centre for Polymer & Material Technologies (CPMT), Faculty of Engineering and Architecture, Ghent University, Technologiepark 915, 9052 Zwijnaarde, Belgium.
authors.forename: Mustafa
authors.initials: M
authors.lastname: Erkoç
authors.affiliation: Directorate G: Nuclear Safety & Security, Joint Research Centre, European Commission, Retieseweg 111, 2440 Geel, Belgium.
authors.forename: Jeroen
authors.initials: J
authors.lastname: Bauwens
authors.affiliation: Directorate G: Nuclear Safety & Security, Joint Research Centre, European Commission, Retieseweg 111, 2440 Geel, Belgium.
authors.forename: Rožle
authors.initials: R
authors.lastname: Jakopič
authors.affiliation: Department of Analytical Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281, S12, 9000 Ghent, Belgium.
authors.forename: Laszlo
authors.initials: L
authors.lastname: Vincze
authors.affiliation: Directorate G: Nuclear Safety & Security, Joint Research Centre, European Commission, Retieseweg 111, 2440 Geel, Belgium.
authors.forename: Yetunde
authors.initials: Y
authors.lastname: Aregbe
authors.affiliation: Centre for Polymer & Material Technologies (CPMT), Faculty of Engineering and Architecture, Ghent University, Technologiepark 915, 9052 Zwijnaarde, Belgium.
authors.forename: Ludwig
authors.initials: L
authors.lastname: Cardon
keywords: Ageing; Cellulose acetate butyrate; Large-sized dried spike; Nuclear safeguards; Plutonium; Uranium