HYDROFOBERMEDELSEMULSION PA BASIS AV KROMKOMPLEXSALTER AV WERNER-TYP, SAMT SETT FOR FRAMSTELLNING DERAV

摘要

The invention relates to concentrated aqueous emulsions of water-repellent agents. The emulsions according to the invention contain Werner type chromium complex salts and emulsified paraffin in quantities of 800 to 4000 grams per g-atom of chromium. Higher molecular weight carboxylic acid groups, such as stearic or montanic acid groups, are present in the emulsion in a molar ratio of chromium to higher molecular weight carboxylic acid groups of 1:0.55 to 1:2. Preferred emulsions contain chromium complexes having basicities of more than 15%. The emulsions are stable and can be stored prior to use.