| 摘要 |
The invention proposed is an aqueous emulsion comprising the components(A) organosilicone compositions selected from(A1) C1-C20-alkyl-C2-C6-alkoxysilanes and(A2) organopolysiloxane containing alkoxy groups,(B) organopolysiloxane containing, one or more siloxane units having SiC-bonded radicals containing basic nitrogen, with the proviso that the amine number of the organopolysiloxane is at least 0.01, and(C) an emulsifier.The said emulsions are used for making porous mineral building materials hydrophobic.
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