| abstract |
A process for preparing a polyamine-polyamidoamine-epihalohydrazine resin, which comprises: reacting a polyamidoamine, a first polyamine, and an epihalohydryne, to form a polyamine-polyamidoamine-epihalohydrine resin, wherein the polyamidoamine is prepared by a process that It comprises reacting a polycarboxylic acid and / or a polycarboxylic acid derivative with a second polyamine to form the polyamidoamine, wherein a mole ratio of the second polyamine to polycarboxylic acid and / or polycarboxylic acid derivative is 1.05 to 2 , 0. |