A Study on the Two-bath Process for Dyeing Polyester/Cotton Fabric with Sulfur Black

Sulfur black was used for dyeing polyester/cotton fabric using two-bath process.The dose of sulfur black and disperse black,the dyeing sequence of cotton and polyester,and whether the pretreatment will affect the dye depth and fastness of the polyester/cotton fabric were discussed.The results indicated sulfur black was well used to dyeing polyester/cotton and the pretreatment could be omitted.