62 Spirooxazine dyes
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Andrew Towns
Abstract
This article provides an introductory overview of a class of colorant that underpinned the establishment of the most industrially important application of photochromic dyes. It outlines the properties that led to the rise (and subsequent decline) in commercial significance of spirooxazine colorants, and which attract researchers seeking to put them to work in new technologies. Within this survey, the chief means of synthesising such dyes and adjusting their photochromism are briefly discussed. The reader is directed to useful sources of information concerning not only these aspects, but also potential applications for spirooxazine-based photochromism.
Abstract
This article provides an introductory overview of a class of colorant that underpinned the establishment of the most industrially important application of photochromic dyes. It outlines the properties that led to the rise (and subsequent decline) in commercial significance of spirooxazine colorants, and which attract researchers seeking to put them to work in new technologies. Within this survey, the chief means of synthesising such dyes and adjusting their photochromism are briefly discussed. The reader is directed to useful sources of information concerning not only these aspects, but also potential applications for spirooxazine-based photochromism.
Chapters in this book
- Frontmatter I
- Preface V
- Contents VII
- List of contributors XV
- 45 Mixed metal oxide pigments 849
- 46 Monoazo (Monohydrazone) pigments based on acetoacetanilides 859
- 47 Monoazo (Monohydrazone) pigments based on benzimidazolones 871
- 48 Monoazo (Monohydrazone) pigments based on 2-naphthol and derivatives 885
- 49 Naphthopyran dyes 909
- 50 Organic pigments: general principles 925
- 51 Oxonitride pigments 955
- 52 Oxonol dyes 959
- 53 Perylene and perinone pigments 967
- 54 Photochromic dyes 979
- 55 Phthalocyanine blue pigments 1015
- 56 Phthalocyanine green pigments 1029
- 57 Phthalocyanine pigments: general principles 1035
- 58 Pigments: general aspects 1041
- 59 Polymethine dyes 1057
- 60 Quinacridone pigments 1071
- 61 Special effect pigments 1081
- 62 Spirooxazine dyes 1105
- 63 Spiropyran dyes 1125
- 64 Streptocyanine dyes 1153
- 65 Streptomerocyanine dyes 1165
- 66 Titanium dioxide pigments 1177
- 67 Transparent pigments 1195
- 68 Ultramarine pigments 1203
- 69 White pigments 1211
- 70 Zinc oxide pigments 1213
- 71 Zinc sulfide pigments 1219
- Index 1225
Chapters in this book
- Frontmatter I
- Preface V
- Contents VII
- List of contributors XV
- 45 Mixed metal oxide pigments 849
- 46 Monoazo (Monohydrazone) pigments based on acetoacetanilides 859
- 47 Monoazo (Monohydrazone) pigments based on benzimidazolones 871
- 48 Monoazo (Monohydrazone) pigments based on 2-naphthol and derivatives 885
- 49 Naphthopyran dyes 909
- 50 Organic pigments: general principles 925
- 51 Oxonitride pigments 955
- 52 Oxonol dyes 959
- 53 Perylene and perinone pigments 967
- 54 Photochromic dyes 979
- 55 Phthalocyanine blue pigments 1015
- 56 Phthalocyanine green pigments 1029
- 57 Phthalocyanine pigments: general principles 1035
- 58 Pigments: general aspects 1041
- 59 Polymethine dyes 1057
- 60 Quinacridone pigments 1071
- 61 Special effect pigments 1081
- 62 Spirooxazine dyes 1105
- 63 Spiropyran dyes 1125
- 64 Streptocyanine dyes 1153
- 65 Streptomerocyanine dyes 1165
- 66 Titanium dioxide pigments 1177
- 67 Transparent pigments 1195
- 68 Ultramarine pigments 1203
- 69 White pigments 1211
- 70 Zinc oxide pigments 1213
- 71 Zinc sulfide pigments 1219
- Index 1225
