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The durability of coatings is one of the most important quality characteristics and can be achieved by incorporating light stabilizers in the paint. These substances are comprehensively described in this book, which also deals with chemical and applicational aspects.
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The durability of coatings is one of the most important quality characteristics and can be achieved by incorporating light stabilizers in the paint. These substances are comprehensively described in this book, which also deals with chemical and applicational aspects.
Produktdetails
- Produktdetails
- European Coatings
- Verlag: Vincentz Network
- 2. Aufl.
- Seitenzahl: 156
- Erscheinungstermin: 2. Mai 2017
- Englisch
- Abmessung: 2300mm x 1600mm x 14mm
- Gewicht: 431g
- ISBN-13: 9783866301283
- ISBN-10: 3866301286
- Artikelnr.: 47875827
- European Coatings
- Verlag: Vincentz Network
- 2. Aufl.
- Seitenzahl: 156
- Erscheinungstermin: 2. Mai 2017
- Englisch
- Abmessung: 2300mm x 1600mm x 14mm
- Gewicht: 431g
- ISBN-13: 9783866301283
- ISBN-10: 3866301286
- Artikelnr.: 47875827
1Introduction 112Light and photo-oxidative degradation 132.1Light 132.1.1Photo-physical processes 152.2Photo-chemical degradation processes 163Stabilization options 213.1UV absorbent pigments 223.2UV absorbers 233.2.1UV absorber classes 243.2.2Mode of action of UV absorbers 273.2.2.1Phenolic UV absorbers 283.2.2.2Non-phenolic UV absorbers 303.2.3Examples of UV absorbers 303.3Free-radical scavengers 363.3.1Antioxidants 363.3.2Sterically hindered amines 383.3.2.1Mode of action of HALS 423.4Quenchers 453.5Peroxide decomposing agents 464Stabilization of coatings 494.1Automotive coatings 514.2Light stabilization of automotive coatings 524.2.1Two-coat systems 534.2.2Specific requirements of UV absorbers in coatings 554.2.2.1Solubility and compatibility of UV absorbers 564.2.2.2Volatility of UV absorbers 594.2.2.3Reactable UV absorbers 614.2.2.4Effect of UV absorbers on coating colour 634.2.2.5Unwelcome side reactions 644.2.2.6UV absorbers and photoinitiators 674.2.3Specific requirements on HALS in coatings 714.2.3.1Solubility and compatibility of HALS 714.2.3.2Volatility of HALS 744.2.3.3Reactable HALS 754.2.3.4Effect of HALS on coating colour 764.2.3.5Unwelcome side reactions 774.2.4Weathering results for two-coat systems 794.2.4.1Weathering tests 794.2.4.2Results for solvent-borne clear coats 864.2.4.3Results for water-borne clear coats 974.2.4.4Results for powder clear coats 1004.2.4.5Results for UV-curable clear coats 1034.2.4.6Coatings on plastic substrates 1064.2.4.7UV protection of epoxy-based fibre reinforced plastics 1114.2.4.8Effect of additional basecoat stabilization 1144.2.4.9Exposure results for one-coat finishes 1174.3Light stabilization of industrial coatings 1214.3.1Stabilization of paints for metal substrates 1224.3.2Stabilization of clear wood coatings 1254.4Stability of light stabilizers 1284.4.1Photo-chemical stability of UV absorbers 1284.4.2Long-term stability of HALS 1375Conclusions 1416References 143Authors 151Index 153
1Introduction 11 2Light and photo-oxidative degradation 13 2.1Light 13 2.1.1Photo-physical processes 15 2.2Photo-chemical degradation processes 16 3Stabilization options 21 3.1UV absorbent pigments 22 3.2UV absorbers 23 3.2.1UV absorber classes 24 3.2.2Mode of action of UV absorbers 27 3.2.2.1Phenolic UV absorbers 28 3.2.2.2Non-phenolic UV absorbers 30 3.2.3Examples of UV absorbers 30 3.3Free-radical scavengers 36 3.3.1Antioxidants 36 3.3.2Sterically hindered amines 38 3.3.2.1Mode of action of HALS 42 3.4Quenchers 45 3.5Peroxide decomposing agents 46 4Stabilization of coatings 49 4.1Automotive coatings 51 4.2Light stabilization of automotive coatings 52 4.2.1Two-coat systems 53 4.2.2Specific requirements of UV absorbers in coatings 55 4.2.2.1Solubility and compatibility of UV absorbers 56 4.2.2.2Volatility of UV absorbers 59 4.2.2.3Reactable UV absorbers 61 4.2.2.4Effect of UV absorbers on coating colour 63 4.2.2.5Unwelcome side reactions 64 4.2.2.6UV absorbers and photoinitiators 67 4.2.3Specific requirements on HALS in coatings 71 4.2.3.1Solubility and compatibility of HALS 71 4.2.3.2Volatility of HALS 74 4.2.3.3Reactable HALS 75 4.2.3.4Effect of HALS on coating colour 76 4.2.3.5Unwelcome side reactions 77 4.2.4Weathering results for two-coat systems 79 4.2.4.1Weathering tests 79 4.2.4.2Results for solvent-borne clear coats 86 4.2.4.3Results for water-borne clear coats 97 4.2.4.4Results for powder clear coats 100 4.2.4.5Results for UV-curable clear coats 103 4.2.4.6Coatings on plastic substrates 106 4.2.4.7UV protection of epoxy-based fibre reinforced plastics 111 4.2.4.8Effect of additional basecoat stabilization 114 4.2.4.9Exposure results for one-coat finishes 117 4.3Light stabilization of industrial coatings 121 4.3.1Stabilization of paints for metal substrates 122 4.3.2Stabilization of clear wood coatings 125 4.4Stability of light stabilizers 128 4.4.1Photo-chemical stability of UV absorbers 128 4.4.2Long-term stability of HALS 137 5Conclusions 141 6References 143 Authors 151 Index 153
1Introduction 112Light and photo-oxidative degradation 132.1Light 132.1.1Photo-physical processes 152.2Photo-chemical degradation processes 163Stabilization options 213.1UV absorbent pigments 223.2UV absorbers 233.2.1UV absorber classes 243.2.2Mode of action of UV absorbers 273.2.2.1Phenolic UV absorbers 283.2.2.2Non-phenolic UV absorbers 303.2.3Examples of UV absorbers 303.3Free-radical scavengers 363.3.1Antioxidants 363.3.2Sterically hindered amines 383.3.2.1Mode of action of HALS 423.4Quenchers 453.5Peroxide decomposing agents 464Stabilization of coatings 494.1Automotive coatings 514.2Light stabilization of automotive coatings 524.2.1Two-coat systems 534.2.2Specific requirements of UV absorbers in coatings 554.2.2.1Solubility and compatibility of UV absorbers 564.2.2.2Volatility of UV absorbers 594.2.2.3Reactable UV absorbers 614.2.2.4Effect of UV absorbers on coating colour 634.2.2.5Unwelcome side reactions 644.2.2.6UV absorbers and photoinitiators 674.2.3Specific requirements on HALS in coatings 714.2.3.1Solubility and compatibility of HALS 714.2.3.2Volatility of HALS 744.2.3.3Reactable HALS 754.2.3.4Effect of HALS on coating colour 764.2.3.5Unwelcome side reactions 774.2.4Weathering results for two-coat systems 794.2.4.1Weathering tests 794.2.4.2Results for solvent-borne clear coats 864.2.4.3Results for water-borne clear coats 974.2.4.4Results for powder clear coats 1004.2.4.5Results for UV-curable clear coats 1034.2.4.6Coatings on plastic substrates 1064.2.4.7UV protection of epoxy-based fibre reinforced plastics 1114.2.4.8Effect of additional basecoat stabilization 1144.2.4.9Exposure results for one-coat finishes 1174.3Light stabilization of industrial coatings 1214.3.1Stabilization of paints for metal substrates 1224.3.2Stabilization of clear wood coatings 1254.4Stability of light stabilizers 1284.4.1Photo-chemical stability of UV absorbers 1284.4.2Long-term stability of HALS 1375Conclusions 1416References 143Authors 151Index 153
1Introduction 11 2Light and photo-oxidative degradation 13 2.1Light 13 2.1.1Photo-physical processes 15 2.2Photo-chemical degradation processes 16 3Stabilization options 21 3.1UV absorbent pigments 22 3.2UV absorbers 23 3.2.1UV absorber classes 24 3.2.2Mode of action of UV absorbers 27 3.2.2.1Phenolic UV absorbers 28 3.2.2.2Non-phenolic UV absorbers 30 3.2.3Examples of UV absorbers 30 3.3Free-radical scavengers 36 3.3.1Antioxidants 36 3.3.2Sterically hindered amines 38 3.3.2.1Mode of action of HALS 42 3.4Quenchers 45 3.5Peroxide decomposing agents 46 4Stabilization of coatings 49 4.1Automotive coatings 51 4.2Light stabilization of automotive coatings 52 4.2.1Two-coat systems 53 4.2.2Specific requirements of UV absorbers in coatings 55 4.2.2.1Solubility and compatibility of UV absorbers 56 4.2.2.2Volatility of UV absorbers 59 4.2.2.3Reactable UV absorbers 61 4.2.2.4Effect of UV absorbers on coating colour 63 4.2.2.5Unwelcome side reactions 64 4.2.2.6UV absorbers and photoinitiators 67 4.2.3Specific requirements on HALS in coatings 71 4.2.3.1Solubility and compatibility of HALS 71 4.2.3.2Volatility of HALS 74 4.2.3.3Reactable HALS 75 4.2.3.4Effect of HALS on coating colour 76 4.2.3.5Unwelcome side reactions 77 4.2.4Weathering results for two-coat systems 79 4.2.4.1Weathering tests 79 4.2.4.2Results for solvent-borne clear coats 86 4.2.4.3Results for water-borne clear coats 97 4.2.4.4Results for powder clear coats 100 4.2.4.5Results for UV-curable clear coats 103 4.2.4.6Coatings on plastic substrates 106 4.2.4.7UV protection of epoxy-based fibre reinforced plastics 111 4.2.4.8Effect of additional basecoat stabilization 114 4.2.4.9Exposure results for one-coat finishes 117 4.3Light stabilization of industrial coatings 121 4.3.1Stabilization of paints for metal substrates 122 4.3.2Stabilization of clear wood coatings 125 4.4Stability of light stabilizers 128 4.4.1Photo-chemical stability of UV absorbers 128 4.4.2Long-term stability of HALS 137 5Conclusions 141 6References 143 Authors 151 Index 153