The invention concerns an aqueous emulsion comprising (1) at least one resin comprising at least one unit T, of formula M.sub.a D.sub.b T.sub.c (O.sub.1/2 R).sub.e or D.sub.b T.sub.c (O.sub.1/2 R).sub.e, (2) a reaction product of (a) ammonia or polyfunctional aromatic or aliphatic amine, (2) a carboxylic acid or anhydride, and (3) a non-ionic, anionic, or amphoteric surfactant.

A invenção concerne um emulsion aqueous que compreende (1) ao menos uma resina que compreende ao menos uma unidade T, da fórmula M.sub.a D.sub.b T.sub.c (O.sub.1/2 R).sub.e ou D.sub.b T.sub.c (O.sub.1/2 R).sub.e, (2) um produto da reação (a) da amônia ou amine aromatic ou aliphatic do polyfunctional, (2) um ácido carboxylic ou um anhydride, e (3) um surfactant non-ionic, anionic, ou amphoteric.

 
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