In order to overcome the disadvantage of low rubfastness of conventional pigment dyeing , a new type covering pigment with ultramicro azo dye as core and acrylate adhesive as shell was presented.

克服常规涂摩擦牢度低的弊病,作者提出采用以微偶氮颜核,以丙烯酸酯类粘合的新型颜包覆体新的探索途径。