Patent ID: 8389613

Claim:
A polyisocyanate/acetal solvent mixed composition which comprises: a water-emulsifiable polyisocyanate composition comprising, in admixture, at least one polyisocyanate and at least one hydrophilic additive; and at least one solvent having the formula (1): in which: the radicals R 1 , which may be identical or different and optionally linked together, are each a linear or branched C 1 -C 4 alkyl radical: R 2 is H or a linear or branched C 1 -C 4 alkyl radical; X is a linear or branched divalent alkyl radical having from 1 to 6 carbon atoms, or a covalent single bond; and R 3 is H, C(OR 1 ) 2 R 2 , C(O)OR 1 , OC(O)R 2 or OC(O)OR 1 .