Polymeric Violet Anthraquinone Colorant Compositions and Methods For Producing the Same
申请人:Hong Xiaoyong Michael
公开号:US20110124837A1
公开(公告)日:2011-05-26
This invention relates to polymeric violet anthraquinone colorants having at least one poly(oxyalkylene) chain attached to an anthraquinone structure. Such colorants exhibit bright violet shade, excellent compatibility with organic media or aqueous systems, good lightfastness, and excellent thermal stability. The water soluble poly(oxyalkylene) substituted polymeric violet anthraquinone colorants also possess high water solubility, high color strength, non-staining properties, and high pH stability. The processes and methods for making such polymeric violet anthraquinone colorants and their use for coloring consumer products are also provided.