Effect of thermal migration of disperse dyes on dyeing fastness of polyester fibers and its improvement method
Thermal migration of disperse dyes occurs at high temperature,which has obvious influence on dyeing quality(color fastness,color light,etc.)of polyester fibers.The thermal migration of disperse dyes was controlled in a reasonable range by considering the properties of disperse dyes,dyeing process,heat treatment temperature and time,dye sublimation,organic solvents and other finishing additives,reduction cleaning after dyeing and thermal setting process.
high temperaturedisperse dyesthermal migrationcolor fastness
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