Improvements Relating to Optical Brightening Agents
    1.
    发明申请
    Improvements Relating to Optical Brightening Agents 有权
    与光亮剂有关的改进

    公开(公告)号:US20070245503A1

    公开(公告)日:2007-10-25

    申请号:US11630424

    申请日:2005-06-24

    CPC classification number: C07D251/68

    Abstract: The instant invention relates to stilbene optical brightening agents which combine a high solubility in water while providing superior fluorescent whitening effects when applied to the surface of paper in either the size-press or in a pigmented coating composition and which show a reduced anionic charge. The instant optical brighteners may also be used for finishing of textiles.

    Abstract translation: 本发明涉及在应用于大小压榨机或着色涂料组合物中的纸表面并且显示减少的阴离子电荷的同时在水中具有高溶解度同时提供优异的荧光增白效果的芪类荧光增白剂。 即时荧光增白剂也可用于纺织品的整理。

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