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Effects of the elution of waterbased corrosion protection primers on their protective properties

: Wanner, Matthias

Benthem, Rolf van (Chair):
9th Coatings Science International 2013. Book of Abstracts : 24 - 28 June 2013, Noordwijk, The Netherlands, CoSi 2013
Noordwijk, 2013
Coatings Science International Conference (CoSi) <9, 2013, Noordwijk>
Fraunhofer IPA ()
Bewitterung; Korrosionsschutz; Schutzschicht; Beschichtung; Oberflächenvorbereiten

Samples of five waterbased corrosion protection primers were characterized regarding their protective properties with and without performing a preliminary elution procedure. These characterizations concerned the barrier properties and the water balance and showed that for some of such pre-conditioned waterbased coatings improved protective properties were found. This finding suggests that failing of the elution procedure may be the reason for unfavourable short-time test results, which do not correspond with the outdoor weathering performance of waterbased corrosion protection coatings.