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Abstract

A selif-emulsifying epoxy resin (A), prepared from proportions by mass of (A-1) from 50 to 95% of one or more epoxide compounds having at least two epoxide groups per molecule and an epoxide group content of from 300 to 11,200 mmol/kg; (A-2) from 5 to 50% of an aromatic polyol; (A-3) from 0 to 25% of modifying compounds having at least two epoxide-reactive groups; (A-4) from 5 to 25% of an emulsifying product of the condensation of (A-4-a) an aliphatic polyol having a weight-average molar mass M.sub.W of from 200 to 20,000 g/mol and (A-4-b) an epoxide compound having at least two epoxide groups per molecule and an epoxide group content of from 500 to 10,000 mmol/kg, whereby the ratio of the number of OH groups to the number of EP groups is from 1:2 to 1:10 and the epoxide group content of these condensation products (A-4) is between 100 and 6700 mmol/kg.

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