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    • 3. 发明授权
    • Aqueous dispersions containing a synergistic dispersant combination
    • 含有协同分散剂组合的水分散体
    • US5266622A
    • 1993-11-30
    • US970524
    • 1992-11-02
    • Jan MazanekUlrich von GizyckiGunter Link
    • Jan MazanekUlrich von GizyckiGunter Link
    • B01F17/00C09B67/46C09D17/00C08K5/51
    • B01F17/0085C09B67/0085C09D17/001
    • Aqueous dispersions of fillers and/or pigments contain a dispersant combination of the following composition:A) 40 to 95 by weight of a water-soluble polymer,B) 0 to 60 by weight of a non-ionic alkylene oxide adduct having an average molecular weight of 200 to 100,000,C) 0 to 60% by weight of compounds of the formulae (I), (II) and/or (III) ##STR1## in which R.sub.1 represents an optionally substituted aliphatic, aromatic or araliphatic radical having 1 to 50 C atoms,z in each case independently of one another represents an integer from 1 to 10 andx represents hydrogen, a monovalent metal ion or an optionally substituted ammonium ion andD) 0 to 60% by weight of a compound of the formula (IV) ##STR2## in which Q represents hydrogen, ##STR3## in which Y in each case independently of one another represents hydrogen, a monovalent metal ion or an optionally substituted ammonium ion,R.sub.2 in each case independently of one another represents hydrogen, an optionally substituted alkyl radical having 1 to 12 C atoms or a radical of the type --CH.sub.2 --COOR.sub.3 or --CH.sub.2 CH.sub.2 COOR.sub.3 andR.sub.3 in each case independently of one another represents hydrogen, Y or an optionally substituted alkyl radical having 1 to 25 C atoms,where the sum A) +B) +C) +D) gives 100% by weight and at least one of the components B), C) and D) is different from zero.
    • 填料和/或颜料的水分散体含有以下组成的分散剂组合:A)40-95重量%的水溶性聚合物,B)0-60重量%的非离子环氧烷加成物,其平均分子量 重量200至100,000,C)0至60重量%的式(I),(II)和/或(III)的化合物R1(SO3X)z(I)R1(OSO3X)z(II)R1 OPO 3 X 2)z,(III)其中R 1表示具有1至50个C原子的任选取代的脂族,芳族或芳脂族基团,z在每种情况下彼此独立地表示1至10的整数,x表示氢,单价金属 离子或任选取代的铵离子和D)0至60重量%的式(IV)化合物其中Q表示氢,其中Y在每种情况下独立于彼此 代表氢,一价金属离子或任选取代的铵离子,各自彼此独立地表示氢, 具有1至12个C原子的任选取代的烷基或类型为-CH 2 -COOR 3或-CH 2 CH 2 COOR 3的基团和R 3在各自彼此独立地表示氢,Y或任选取代的具有1至25个C原子的烷基, 其中总和A)+ B)+ C)+ D)给出100重量%,并且组分B),C)和D)中的至少一个不同于零。