UV curable coatings are generally solvent-free liquid oligometers with multiple acrylic functionalities along with a UV absorber, which act as an initiator. The UV coating is usually comprised of unsaturated monomers that polymerize with UV light in the presence of a photo-initiator that absorbs radiation and initiates polymerization. These are high-solids, cross-linked coatings cured by brief exposure to intense ultraviolet light. Since these products are high solids with little or no VOCs, compliance to stricter VOC regulations is made easier. The silane D is generally useful as an adhesion-promoting additive or primer for UV cured acrylic oligometers. Other advantages of UV coatings include increased superior hardness and durability compared to conventional coatings. This is used in automotive parts.