Anti-stick coating for surfaces
OwnerUsha Gopalratnam, Mark Gullo +1inventors
InventorsUsha Gopalratnam, Mark Gullo, Leonard Testa
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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.
Claims25
A release agent composition comprising (a) a crosslinkable fluorotelomer comprising repeat units derived from a fluoroalkene;
- (b) a moisture-curable silicone;
- (c) a catalyst;
- and (d) a solvent.
A method for improving the release properties of molds removed from a pattern or cores from a core box comprising applying a composition comprising (a) a crosslinkable fluorotelomer comprising repeat units derived from a fluoroalkene;
- (b) a moisture-curable silicone;
- (c) a catalyst;
- and (d) a solvent to a surface of a pattern or core box.
Dependencies are inferred from the claim text.