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    • 23. 发明授权
    • Process for dispersing pigments and fillers using aminoalkanols and
salt, alkoxylation and quaternization derivatives thereof
    • 使用氨基链烷醇和盐分散颜料和填料的方法,烷氧基化和季铵化衍生物
    • US4167420A
    • 1979-09-11
    • US930229
    • 1978-08-02
    • Heinrich LindenHorst RutzenBernd Wegemund
    • Heinrich LindenHorst RutzenBernd Wegemund
    • C09C1/00C09B67/08C09B67/18C09C1/22C09C1/24C09C1/36C09C3/00C09C3/08C09D7/12
    • C09B67/0004C09B67/0011C09B67/002C09C1/24C09C1/3692C09C3/006C01P2004/84
    • A process for improving the dispersibility of inorganic and organic pigments and fillers which comprises contacting said pigments and fillers with (a) a mixture of aminoalkanols of the formulae ##STR1## wherein R.sub.1 and R.sub.2 are alkyl having 1 to 21 carbon atoms, the sum of the carbon atoms in R.sub.1 and R.sub.2 being 6 to 22, R.sub.3 is hydrogen or methyl, provided there is only one methyl group per (CH).sub.x group, R.sub.4 and R.sub.5 are the same or different and are hydrogen, alkyl having 1 to 4 carbon atoms or hydroxyalkyl having 2 to 4 carbon atoms, x is an integer of from 2 to 6 and y is 0,1,2 or 3, the R.sub.1 --CH--CH--R.sub.2 units in the aminoalkanols being of at least two different chain lengths of from 8 to 24 carbon atoms and the vicinal substituents being distributed statistically along said chain lengths, with the proviso that, if y is 0, R.sub.4 and R.sub.5 are not both hydrogen, or (b) salts, (c) alkoxylation products, and (d) quaternization products of said aminoalkanols, and recovering highly dispersible pigments and fillers.
    • 一种改善无机和有机颜料和填料的分散性的方法,其包括使所述颜料和填料与(a)式(I)或(II)的氨基链烷醇的混合物接触,其中R1和R2是 具有1至21个碳原子的烷基,R 1和R 2中的碳原子总数为6至22,R 3为氢或甲基,条件是每(CH)x基团仅有一个甲基,R 4和R 5相同或 不同的是氢,具有1至4个碳原子的烷基或具有2至4个碳原子的羟烷基,x是2至6的整数,y是0,1,2或3,R1-CH-CH-R2单元 在氨基链烷醇中具有至少两个不同链长为8至24个碳原子的连续取代基,其连续的取代基沿所述链长统计分布,条件是如果y为0,则R4和R5不同时为氢或( b)盐,(c)烷氧基化产物和(d)所述氨基链烷醇的季铵化产物,并回收高分散体 颜料和填料。