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    • 19. 发明申请
    • Concentrated Storage-Stable Aqueous Optical Brightening Solutions
    • 浓缩储存稳定的水性荧光增白溶液
    • US20120238171A1
    • 2012-09-20
    • US13513369
    • 2010-12-01
    • Cedric KleinFrederic ReveaudDavid PuddiphattAndrew Clive Jackson
    • Cedric KleinFrederic ReveaudDavid PuddiphattAndrew Clive Jackson
    • C09K11/06D04H13/00D21H17/09
    • C07D251/54D21H21/30Y10T428/249921Y10T442/2582Y10T442/60
    • Concentrated storage stable aqueous solutions (S) comprising components (a), (b) and (c), wherein component (a) is at least one optical brightening agent of formula (1), in which the anionic charge on the brightener is balanced by a cationic charge composed of one or more cations selected from the group consisting of hydrogen, alkali metal cation, alkaline earth metal cation, ammonium, ammonium which is mono-, di- or trisubstituted by a C1-4 linear or branched alkyl radical and ammonium which is mono-, di- or trisubstituted by a C1-4 linear or branched hydroxyalkyl radical, and the concentration of component (a) is 0.08 to 0.3 mol per kg, based on the total weight of the concentrated storage-stable aqueous solutions (S), component (b) is at least one inorganic salt (SA), in a concentration of 2 to 15% by weight, based on the total weight of the concentrated storage-stable aqueous solutions (S), and component (c) is water, in a concentration of 10% to 88% by weight, based on the total weight of the concentrated storage-stable aqueous solutions (S).
    • 包含组分(a),(b)和(c)的浓缩储存稳定的水溶液(S),其中组分(a)是至少一种式(1)的荧光增白剂,其中增白剂上的阴离子电荷是平衡的 通过由一个或多个选自氢,碱金属阳离子,碱土金属阳离子,铵,铵,被C 1-4直链或支链烷基单,二或三取代的阳离子组成的阳离子电荷,以及 铵,其是由C 1-4直链或支链羟烷基单取代,二取代或三取代的,并且组分(a)的浓度基于浓缩储存稳定水溶液的总重量为0.08至0.3mol / kg (S)中,成分(b)为至少一种无机盐(SA),浓度为2〜15重量%,基于浓缩储存稳定水溶液(S)的总重量,成分(c )为基于总W的浓度为10%至88%重量的水 八个浓缩储存稳定的水溶液(S)。