| abstract |
The disclosed invention pertains to a process for the preparation of a water-soluble, nitrogen-containing, epihalohydrin-based resin having a reduced content of total halogen which is less than 1 wt.%, relative to the solid resin. The process involves treatment of the said resins with a basic ion-exchanger. The said resins are useful as wet-strength agents for paper and are preferably of the polyaminoamide-epihalohydrin type. |