2006.016.016

"Pfister Naphthol AS Dyes are insoluble azo dyes applied to vegetable fibers and rayon by impregnation with a Naphthol solution and subsequent coupling with a diazotized base for fast color salt." This book contains information on the history of Naphthol and how it works. It also contains the information on impregnation, the development, yarn dyeing, dyeing piece goods, dyeing regenerated rayons, hosiery dyeing, dyeing mixed fabrics, naphthols on acetate yarn, and printing with naphthols.