It was found by the formulation research with these 2 dispersers that good dispersibility could be obtained at wt. ratio of dye:lignin M9:ltalian disperser MF:disperser CNF=10:2:8:2.

• 2种分散剂配伍研究发现，质量比m（染料）：m（木质素M9）：m（意大利分散剂MF）：m（分散剂CNF）为10:2:8:2时有较好的扩散性。