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Journal of Coatings Technology and Research
Erschienen in: Journal of Coatings Technology and Research 1/2009

01.03.2009

Hindered amine light stabilizers in pigmented coatings

verfasst von: Christian Schaller, Daniel Rogez, Adalbert Braig

Erschienen in: Journal of Coatings Technology and Research | Ausgabe 1/2009

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Abstract

It is common practice to combine hindered amine light stabilizers (HALS) with UV absorbers (UVA) for optimal protection of coatings and plastics. The ratio of UVA and HALS strongly depends on the concentration of pigments (acting as UVA) used in the paint; that is, a clearcoatings require higher amounts of UVA, whereas opaque pigmented coatings require higher amounts of HALS. Here, especially basic HALS types can interfere with paint components like, for example, pigments due to acid/base interactions. In this article, we want to discuss the influence of HALS basicity on long-term performance in opaque white pigmented solventborne (SB) and waterborne (WB) coatings for industrial applications in correlation to the quality of the used TiO2.
Vorheriger Artikel Multiscale physical characterization of an outdoor-exposed polymeric coating system
Nächster Artikel Theoretical study of the scattering efficiency of rutile titanium dioxide pigments as a function of their spatial dispersion

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Metadaten
Titel
Hindered amine light stabilizers in pigmented coatings
verfasst von
Christian Schaller
Daniel Rogez
Adalbert Braig
Publikationsdatum
01.03.2009
Verlag
Springer US
Erschienen in
Journal of Coatings Technology and Research / Ausgabe 1/2009
Print ISSN: 1547-0091
Elektronische ISSN: 1935-3804
DOI
https://doi.org/10.1007/s11998-008-9130-8

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