公开(公告)号：US20080216256A1

公开(公告)日：2008-09-11

申请号：US11894599

申请日：2007-08-21

申请人： Harold S. Freeman ,  C. Brent Smith ,  Malgorzata Szymczyk ,  Mengnan Zhao

发明人： Harold S. Freeman ,  C. Brent Smith ,  Malgorzata Szymczyk ,  Mengnan Zhao

IPC分类号： C09B62/02 ,  C09B29/00

CPC分类号： C09B62/043

摘要： The presently disclosed subject matter relates to heterobifunctional reactive dyes comprising nitrogen-containing heterocycles substituted by both halogen and vinyl sulfone moieties. In particular, the presently disclosed subject matter relates to reactive dye compounds comprising two or more halo-substituted, nitrogen-containing heterocycles and an asymmetric bridging group, wherein at least one of the two or more halo-substituted, nitrogen-containing heterocycles further comprises a vinyl sulfone substituent. In some embodiments, the bridging group has a structure based on cysteamine or cysteine. The heterobifunctional reactive dyes have high substrate affinity and can be applied to substrates, such as cotton fibers, under low salt conditions and with reduced dye material waste.

摘要翻译： 目前公开的主题涉及包含被卤素和乙烯基砜部分所取代的含氮杂环的异双官能活性染料。 特别地，本公开的主题涉及包含两个或多个卤素取代的含氮杂环和不对称桥连基团的活性染料化合物，其中两个或多个卤素取代的含氮杂环中的至少一个还包含 乙烯基砜取代基。 在一些实施方案中，桥连基团具有基于半胱胺或半胱氨酸的结构。 异双功能活性染料具有高的底物亲和性，并且可以在低盐条件下用于底物，例如棉纤维，并减少染料废物。