| 摘要 |
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) in which M is hydrogen, monovalent or divalent metal cation, ammonium ion, organic amine radical; a is 1, or where M is a divalent metal cation, is ½; X is likewise -OM<SUB>a </SUB>or -O-(C<SUB>p</SUB>H<SUB>2p</SUB>O)<SUB>q</SUB>-R<SUP>l </SUP>where R<SUP>1</SUP>-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<SUP>2 </SUP>and/or -NR<SUP>2</SUP><SUB>2 </SUB>where R<SUP>2</SUP>-R<SUP>1 </SUP>or -CO-NH<SUB>2</SUB>; Y is O, NR<SUP>2</SUP>; A<SUP>1 </SUP>is ethylene radical, propylene radical, isopropylene radical, butylene radical; m is 10 to 30; n is 0 to 50; and k is 10 to 30, where the summ+k is in the range from 20 to 60, is co-used. |
