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.

为克服常规涂料染牢度低的弊病,作者提出采用以微偶氮颜料为核,以丙烯酸酯类为壳的新型颜料包覆体染新的探索途径。