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.

为克服常规涂料染色摩擦牢弊病,作者提出采用以微偶氮颜料为核,以丙类粘合剂为壳新型颜料包覆体染色新探索途径。