The Monitoring of Dyebath Composition by Transmission Measurements

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Abstract
A preliminary investigation has been made of the concept of using transmission of solutions of diluted dyebaths as a means of monitoring the baths prior to use in bulk–dyeing processes. So far this has been done only by calculation, using the methods of computer match prediction, to establish a correlation between the colour of the diluted pad–Liquor in the application of Dispersol T and Procion T dyes to a polyester–cotton blend fabric by a pad–bake process, and the expected colour of a dyeing made from it. The correlation obtained suggests that the method justifies further development work, in circumstances specific to its intended use, as a means of checking that a prepared dyebath is suitable to produce a dyeing which is within specified tolerance limits.

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