Abstract
The acid‐combining capacity of Acrilan has been determined using sulphuric acid at 60d̀c. The influence of pH on the dyeing of Acrilan with acid dyes has been examined, and the conditions required to obtain complete fibre penetration have been determined. The effect on the wool component of the blend and on the wearing properties of the cloths of the low pH required to dye Aerilan‐wool blends satisfactorily with acid dyes has been investigated. The practical problems associated with the application of acid and chrome dyes in strongly acid dyebaths are discussed, and a dyeing method for their application is suggested.
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