In cheese dyeing with reactive dyestuffs, the yarns have better levelness and color fastness if using organic base SN in摘要活性染料筒子纱染色中，用有机染色碱SN取代传统固色剂纯碱，筒子纱的匀染性、色牢度有所提高；生产成本、工人劳动强度，以及污水处理难度均有所降低。