Some bifunctional reactive dyes were applied on cotton by exhaustion dyeing, and their S (substantivity), E (% of exhaustion), F (% of fixation) and R (rate of fixation) values were measured.

• 本文采用活性染料特征值S、E、F、R(S-直接性值,E-吸尽值,F-固色值,R-固色速率)来评价染料的配伍性,选择双活性基型活性染料,按一定工艺处方,浸染纯棉织物,测定各染料S、E、F、R值。