Abstract: A urethane coating is formed by a reaction of a hydroxy-functional resin and a blocked isocyanate crosslinker. A method of catalyzing this reaction includes forming a polymeric ligand from the resin and/or the crosslinker. The method also includes incorporating a metal catalyst with the polymeric ligand to complex the metal catalyst with the polymeric ligand. The method further includes reacting resin and the crosslinker to form the urethane coating.

Abstract: A urethane coating is formed by a reaction of a hydroxy-functional resin and a blocked isocyanate crosslinker. A method of catalyzing this reaction includes forming a polymeric ligand from the resin and/or the crosslinker.

Abstract: At two large opposite end faces a component composed of a wafer-shaped or lamina-shaped body (1) has coatings (2, 3) and ribbon-shaped terminal elements (5, 6) and is pressure-coated with a lamina-shaped or cuboid insulating coat (7). The terminal elements (5, 6) of the component are conducted toward the outside through the insulating coat (7) at the level of the end faces of the body (1) without being bent off, the upper terminal element (5) is bent off in a downward direction and is then bent over onto the underside (19) of the insulating coat, and the lower terminal element (6) is first bent off in an upward direction, and is then arranged at the surface of the insulating coat (7) at the level of the exit location of the first terminal element (5), is then bent over by 180.degree. at this level and, lying against the terminal element (6), is bent down under the underside (19) of the insulating coat (7).

Abstract: A voltage-dependent resistor or varistor is composed of a monolithic ceramic body made up of a plurality of layers of varistor material containing zinc oxide, alternating with layers of precious metal serving as coatings on the layers and which are alternatingly electrically connected to separate locations on the exterior surfaces of the body. The porosity of the layers of varistor material does not exceed 5%; the proportion of bismuth is at most 1 mol %; and the precious metal coatings include 50-80% by weight of palladium.