Synthetic Resin 1201 Urethane modified hydrogenated acetophenone-formaldehyde Degussa Aminoplaste / Phenoplaste (UF, MUF) PU - Polyurethane dispersions (PUDs) ADHESIVE Urethane modified hydrogenated acetophenone formaldehyde condensation resin. Synthetic Resin is used in isocyanate-based reactive adhesives, in radiation-cured and water-clear adhesives. Urethane modified hydrogenated acetophenone formaldehyde condensation resin. Used in isocyanate-based reactive adhesives, radiation-cured, water-clear adhesives.