Abstract: A release agent composition to prevent sticking and facilitate separation of surfaces, such as patterns and core boxes from foundry molds and cores comprises (a) a styrene-diene block copolymer; (b) a functional silicone; (c) a solvent; and optionally, one or both of (d) a catalyst and (e) a crosslinking agent. Further is provided a method to facilitate separation of a workpiece from a substrate comprising applying the release agent composition to a surface of the workpiece, the substrate or both. In one particular embodiment, the method improves the release of a mold or a core from a pattern or a core box.

Abstract: A release agent composition to prevent sticking and facilitate separation of surfaces, such as patterns and core boxes from foundry molds and core s comprises (a) a cross-linkable fluorotelomer comprising repeat units derived from a fluoroalkene; (b) a moisture-curable silicone; (c) a catalyst; and (d) a solvent. Further is provided a method to improve the release properties of molds removed from a pattern or core box comprising applying the release agent composition to the pattern or core box surface.

Abstract: A release agent composition to facilitate separation of patterns and core boxes from foundry molds and cores comprising a cross-linkable fluorotelomer comprising repeat units derived from a fluoroalkene, a silicone intermediate, a catalyst, and a solvent or a hydroxy-terminated polyalkylsiloxane. Further is provided a method to improve the release properties of molds removed from a pattern or core box comprising applying a composition of the invention to the pattern or core box surface. A process for synthesizing a fluorotelomer or cotelomer from fluoroalkene monomers or comonomers is also provided.

Abstract: A composition that can be used as a coating for paper and paper corrugating rolls comprises a silicone, a solvent, and a catalyst. Also provided is a method for applying a thin, continuous film coating on or onto a surface of a substrate or article. The method comprises combining a silicone, a solvent, and a catalyst to produce a coating composition, applying the coating composition on or onto the surface, and optionally curing the composition.