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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2011, Volume 48, Issue 1,





Alexandra Nistor, G. Stiubianu, Carmen Racles, Maria Cazacu Evaluation of the Water Sorption Capacity of Some Polymeric Materials by Dynamic Vapour Sorption


Abstract:
Water sorption/desorption behaviour of the materials is very relevant for their application in pharmaceutical, food, sensor, electronics, fuel cell and biomedical fields. The sorption/desorption equilibrium, which is related with the plasticity and mechanical properties of the materials, as well as the kinetics of water sorption/desorption, which is related to the transport properties, are interesting research areas. The fully automated gravimetric analyzer is an equipment for rapid evaluation of the moisture sorption capacity in dynamic regime. The ultrasensitive microbalance measures the weight modification as the humidity is changed in the sample chamber at constant regulated temperature. Water vapour sorption behaviour of some materials belonging to different polymeric classes with various structures and morphologies were investigated. Keywords: water sorption, dynamic vapor sorption, isotherm



Issue: 2011 Volume 48, Issue 1
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