CN 2256 polyester acrylate oligomer. Atofina-Sartomer North America South and Central America Acrylic Monomers >> Reactive / Multifunctional (MFM) Wood & Furniture Coatings CN2256 is a polyester acrylate oligomer. CN2256 was developed for UV curable pressure sensitive adhesives and is also used in water soluble wood coatings.. It is used in adhesives - pressure sensitive,Coatings - wood, coatings. It is water soluble. It has adhesion and flexiblity. It is a polyester acrylate oligomer. It was developed for UV curable pressure sensitive adhesives and is also used in water soluble wood coatings..