13 июля, 2015 
Malyar  |
 |
Benzoyl leuco Methylene Blue (1), which is a phenothiazine leuco dye, has been known since 1900. The material was developed to extend the range of hues and colors obtainable in such applications as pressure-sensitive carbonless paper and to complement other classes of leuco dyes such as triarylmethanes, crystal violet lactone, and fluorans. Benzoyl leuco Basic Blue 3 (2), which is a phenoxazine leuco dye, is a more recent development.
New applications have recently emerged, spurring the need for the development of new leuco dyes including leuco phenazine dyes: electrolytic
TRAN VAN THIEN • Minnesota 3M Research Ltd., Pinnacles, Harlow, Essex CM19 5AE, England.
Chemistry and Applications of Leuco Dyes, edited by Muthyala. Plenum Press, New York, 1997.
recording paper, transparencies for overhead projector, thermographic and photothermographic materials also known as Color Dry Silver.
Опубликовано в рубрике 