Light Stabilizers for Coatings

Content: Title Page
 Copyright Page
 Foreword
 Contents
 1. Introduction
 2. Light and photo-oxidative degradation
 2.1 Light
 2.1.1 Photo-physical processes
 2.2 Photo-chemical degradation processes
 3. Stabilization options
 3.1 UV absorbent pigments
 3.2 UV absorbers
 3.2.1 UV absorber classes
 3.2.2 Mode of action of UV absorbers
 3.2.2.1 Phenolic UV absorbers
 3.2.2.2 Non-phenolic UV absorbers
 3.2.3 Examples of UV absorbers
 3.3 Free-radical scavengers
 3.3.1 Antioxidants
 3.3.2 Sterically hindered amines
 3.3.2.1 Mode of action of HALS
 3.4 Quenchers
 3.5 Peroxide decomposing agents. 4. Stabilization of coatings4.1 Automotive coatings
 4.2 Light stabilization of automotive coatings
 4.2.1 Two-coat systems
 4.2.2 Specific requirements of UV absorbers in coatings
 4.2.2.1 Solubility and compatibility of UV absorbers
 4.2.2.2 Volatility of UV absorbers
 4.2.2.3 Reactable UV absorbers
 4.2.2.4 Effect of UV absorbers on coating colour
 4.2.2.5 Unwelcome side reactions
 4.2.2.6 UV absorbers and photoinitiators
 4.2.3 Specific requirements on HALS in coatings
 4.2.3.1 Solubility and compatibility of HALS
 4.2.3.2 Volatility of HALS
 4.2.3.3 Reactable HALS. 4.2.3.4 Effect of HALS on coating colour4.2.3.5 Unwelcome side reactions
 4.2.4 Weathering results for two-coat systems
 4.2.4.1 Weathering tests
 4.2.4.2 Results for solvent-borne clear coats
 4.2.4.3 Results for water-borne clear coats
 4.2.4.4 Results for powder clear coats
 4.2.4.5 Results for UV-curable clear coats
 4.2.4.6 Coatings on plastic substrates
 4.2.4.7 UV protection of epoxy-based fibre reinforced plastics
 4.2.4.8 Effect of additional basecoat stabilization
 4.2.4.9 Exposure results for one-coat finishes
 4.3 Light stabilization of industrial coatings. 4.3.1 Stabilization of paints for metal substrates4.3.2 Stabilization of clear wood coatings
 4.4 Stability of light stabilizers
 4.4.1 Photo-chemical stability of UV absorbers
 4.4.2 Long-term stability of HALS
 5. Conclusions
 6. References
 Authors
 Index.