| abstract |
Aqueous dispersions comprising microfine metal oxide particles and dispersion auxiliaries, wherein, as dispersion auxiliaries, at least one of the compounds of the general formula (I) n n n in which n M is hydrogen, monovalent or divalent metal cation, ammonium ion, organic amine radical; n a is 1, or where M is a divalent metal cation, is ½; n X is likewise —OM a or —O—(C p H 2p O) q —R l where R 1 ═H, aliphatic hydrocarbon radical having 1-20 carbon atoms, cycloaliphatic hydrocarbon radical having 5 to 8 carbon atoms, optionally substituted aryl radical having 6 to 14 carbon atoms, p=2 to 4, q=0 to 100, —NHR 2 and/or —NR 2 2 where R 2 ═R 1 or —CO—NH 2 ; n Y is O, NR 2 ; n A 1 is ethylene radical, propylene radical, isopropylene radical, butylene radical; n m is 10 to 30; n n is 0 to 50; and n k is 10 to 30, where the summ+k is in the range from 20 to 60, is co-used. |