Process for the preparation of small particle organopolysiloxane emulsions

摘要

The invention relates to a process for the preparation of polyorganosiloxane-containing emulsions having a mean particle size of less than 0.3 mu m, where, in a first step, A) a concentrate is prepared from polyorganosiloxane, water and polyorganosiloxane-soluble emulsifier, and, in a second step, B) the concentrate obtained in this way is diluted with water to the desired polyorganosiloxane content, to emulsions which can be prepared by this process, and to their use for impregnating fibres and woven fabrics.