Patent ID: 7479518

Claim:
Alkyd resin emulsions for topcoats comprising a water-insoluble alkyd resin A and a water-soluble alkyd resin B, which is used as an emulsifying resin and is an esterification product of an alkyd resin Ba, which has a hydroxyl number of at least 30 mg/g, and is homogeneously miscible with the alkyd resin A to be emulsified at least in a mass ratio range of Ba to A of from 2:98 to 50:50, and an adduct Bb of a C 1 -C 4 -alkoxypolyethylene glycol Bba and a cycloaliphatic dicarboxylic acid anhydride Bbb in a ratio of amounts of substance of Bba to Bbb of from 0.95:1.05 mol/mol to 1.05:0.95 mol/mol.