Volume 125, Issue 5 pp. 249-261

Industrial organic photochromic dyes

S Nigel Corns

S Nigel Corns

James Robinson Ltd., PO Box B3, Leeds Road, Huddersfield, HD1 6BU, UK
Email: [email protected]

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Steven M Partington

Steven M Partington

James Robinson Ltd., PO Box B3, Leeds Road, Huddersfield, HD1 6BU, UK
Email: [email protected]

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Andrew D Towns

Andrew D Towns

James Robinson Ltd., PO Box B3, Leeds Road, Huddersfield, HD1 6BU, UK
Email: [email protected]

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First published: 09 November 2009
Citations: 187

Abstract

Organic photochromic molecules are well established as colorants in the manufacture of niche products, providing striking colour change effects when irradiated with light. This paper describes the industrially important classes of photochromic dye in terms of their development and chemistries, the applications in which their photochromism is employed commercially, and the technical features behind their success. Photochromic systems form the subject of much industrially funded research into nascent high-tech applications that have the potential to become the most commercially significant outlets for photochromic dyes. Those types being scrutinised are therefore also discussed along with the directions in which the industrial use of photochromic colorants may take.

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