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Hydroxyphenyl-s-triazines: advanced multipurpose UV-absorbers for coatings

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Abstract

In recent years, the industry has succeeded in achieving adequate performance of coatings for automotive, industrial, and decorative applications, both in terms of mechanical and aesthetical properties. Nevertheless, there is an increasing demand for novel light stabilizers which can meet even today’s higher performance and quality requirements as well as cost pressures. It is well known, for example in the automotive industry, that UV-absorbers (UVA) based on hydroxyphenyl-s-triazines (HPT) are capable of fulfilling these requirements where 2-(2-hydroxyphenyl)-benzotriazoles (BTZ) tend to fail or show inferior properties. Besides the well-known HPT for automotive applications, other high-performance products have been developed for an even broader range of applications comprising, for example, thin- or reduced-film applications, powder coatings, and extremely durable wood coatings. New encapsulation techniques make it even possible to convert most of these hydrophobic products into highly compatible and stable water-based product forms. This opens the door for the advanced HPT UVA for a broad range of possible waterborne and solventborne applications.

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Authors and Affiliations

  1. Ciba Specialty Chemicals Inc., Klybeckstr 141, CH-4002, Basel, Switzerland

    C. Schaller, D. Rogez & A. Braig

Authors
  1. C. Schaller
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  2. D. Rogez
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  3. A. Braig
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Corresponding author

Correspondence to C. Schaller.

Additional information

Presented at XXVIIIth FATIPEC Congress, organized jointly by the Hungarian Chemical Society (MKE) and the Polish Association of Chemical Engineers (SITPCHEM), in Budapest, Hungary, June 12–14, 2006.

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Schaller, C., Rogez, D. & Braig, A. Hydroxyphenyl-s-triazines: advanced multipurpose UV-absorbers for coatings. J Coat Technol Res 5, 25–31 (2008). https://doi.org/10.1007/s11998-007-9025-0

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