Proceso para preparar una resina que comprende hacer reaccionar una poliamina con un reticulante simetrico, añadir una epihalohidrina y reciclar el polimero funcionalizado con halohidrina; composicion que comprende la resina; y proceso para tratar papel.

摘要

Compositions and methods related to new wet strength resins are provided. By using functionally-symmetrical cross-linkers and mono-functional modifiers, and separating the steps of reacting a prepolymer with the cross-linkers from the reaction of intermediate cross-linked prepolymer with epichlorohydrin, new wet strength resin products are provided having improved properties.