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    • 80. 发明授权
    • Compositions of optical brightness and aluminosilicates and methods of
their production
    • 光学亮度和铝酸盐的组成及其生产方法
    • US3962116A
    • 1976-06-08
    • US541208
    • 1975-01-15
    • Helmut BlochingHeinz SmolkaMilan Johann Schwuger
    • Helmut BlochingHeinz SmolkaMilan Johann Schwuger
    • D06L3/12C09K11/30
    • D06L3/1264
    • Heat dried, finely-divided compositions of optical brighteners and fillers comprising as said fillers at least partly of a finely-divided water-insoluble silicate compound containing at least some combined water and having a calcium binding power of at least 50 mg CaO/gm of anhydrous active substance and the formula on the anhydrous basis(M.sub.2 /.sub.n O).sub.x . Me.sub.2 O.sub.3 . (SiO.sub.2).sub.ywhere M is a cation of the valence n, exchangeable with calcium, x is a member of from 0.7 to 1.5, Me is a member selected from the group consisting of aluminum and boron, and y is a number from 0.8 to 6, preferably from 1.3 to 4, in an amount of at least 5% by weight of the mixture, as well as a process for producing the same comprising the steps of mixing said silicate compound, while at least still moist from its production, with said optical brighteners and converting the entire mixture of components into a pourable product.
    • 1499902荧光增白剂和填充剂DEUTSCHE GOLD - UND SILBER-SCHEIDEAN雪松和HENKEL&CIE GmbH 1975年1月16日[1974年1月17日] 1869/75标题D1P干粉状组合物含有荧光增白剂和细分(最大粒径0.1mm) 具有至少50mg CaO / g无水硅酸盐(= AS)的钙结合能力和通式的水不溶性铝 - 或硼硅酸盐; 其中Cat表示可与钙交换的阳离子和n价的x,x表示0.7至1.5的数,M表示硼或铝,y表示0.8至6的数。可交换阳离子可以是氢,锂,钾,铵或 镁或水溶性有机碱的阳离子,但优选为钠。 增白剂对棉,聚酰胺或聚酯可能是实质的,并且可以是二氨基芪二磺酸,二芳基吡唑啉喹诺酮,1,2-二(2-苯并恶唑基) - 或1,2-二 - (2-苯甲酰亚氨基唑基) - 乙烯,苯并恶唑基噻吩, 香豆素或曲辛二烯二苯基衍生物。 组合物可以通过热干燥形成。 通过单一喷雾或辊子,组分的浆料。 在改性中,形成硅酸盐,例如, 通过将铝酸钠和硅酸钠混合在水性悬浮液中,在光亮剂存在下,其在干燥时由硅酸盐涂覆。 因此可以形成空心珠。 硅酸盐可以是无定形或微晶的。 其他水溶性或细分散的水不溶性惰性物质也可能存在。