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Application of the Reactive Dyes Commercialized for Cotton to Silk Printing

The reactive dyes originally designed for cotton were applied to silk printing. The influence of alkali category and dosage, temperature and relative humidity of vapor was discussed in the case of the use of 2% dye, and the staining on white ground during soaping was also discussed. The satisfactory printing effect was achieved when 1% NaHCO3 or KHCO3 was used as an alkaline agent, and steaming was performed at 102-105°C and 90% relative humidity. The level of staining on the white ground was found to vary with dye catagories. This study indicates that the specially selected reactive dyes can be successfully used in silk printing.