Mixtures of fluorescent whitening agents
    2.
    发明授权
    Mixtures of fluorescent whitening agents 失效
    荧光增白剂的混合物

    公开(公告)号:US07497971B2

    公开(公告)日:2009-03-03

    申请号:US10537062

    申请日:2003-12-01

    IPC分类号: C09K11/06

    CPC分类号: D06L4/636 D06L4/65

    摘要: The present invention relates to a mixture of fluorescent whitening agents comprising 11 to 20% by weight of a compound of formula (1), and 80 to 89% by weight of a compound of formula (2), wherein R1 denotes hydrogen, C1-C6alkyl, C5-C14aryl or C6-C24aralkyl and X is a bivalent radical of formula (3), (4) or (5) compositions containing the mixture and the use of the compositions for whitening synthetic fibers, in particular, polyester.

    摘要翻译: 本发明涉及包含11至20重量%的式(1)化合物和80至89重量%的式(2)化合物的荧光增白剂混合物,其中R1表示氢,C1- C6烷基,C5-C14芳基或C6-C24芳烷基,X是式(3),(4)或(5)的二价基团,含有该混合物的组合物以及使用用于增白合成纤维,特别是聚酯的组合物。