Silk fabric is treated with a synthetic s-triazine modifier followed by dyed with cationic fluorescent dyes. The results show that the optimum modification is: modifier 7%, adsorption at p H value of 3for 15 min, fixation at p H value of 8 for 45 min, and modifying at 90 ℃. The optimum dyeing is: 90 ℃ for30 min at p H value of 7. With the above process, the silk dyeings feature stronger absorption to dyes and better color fastnesses to rubbing and washing.
