Patent ID: 9605178
Date: 2017-03-28
CPC Classifications: C08G,C09D

Claim:
1. The reaction product UA of at least one multifunctional aldehyde A with at least one cyclic urea U made by a) mixing the at least one multifunctional aldehyde A with the at least one cyclic urea U in the presence of at least one alcohol R to obtain a solution of a product UA, where R 1 is selected from the group consisting of linear, branched or cyclic alkyl groups having from one to twelve carbon atoms which may be interrupted by one or more of —O—, —NR″—, —S—, where R″ stands for H, or an alkyl group having from one to six carbon atoms, with the proviso that not two —O— or not two —S— atoms may be immediately adjacent, characterised in that the cyclic urea U is selected from the group consisting of ethylene urea, 1,3-propylene urea, 1,2-propylene urea, 1,4-butylene urea, and glycol uril, b) the pH is adjusted to at most 5.0, c) optionally, adding a further quantity of the said alcohol R d) adding