Method of applying a continuous thermoplastic coating with one coating step

A continuous, pinhole-free thermoplastic polymer coating, which may be a fluoroelastomer, is applied to a porous metal surface in a single coating step by spraying the thermoplastic polymer from a thermal spray gun onto a porous metal surface which is at substantially room temperature to form a semi...

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Bibliographische Detailangaben
Hauptverfasser:	SINGELYN, JAMES D
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL PERFORMING OPERATIONS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	A continuous, pinhole-free thermoplastic polymer coating, which may be a fluoroelastomer, is applied to a porous metal surface in a single coating step by spraying the thermoplastic polymer from a thermal spray gun onto a porous metal surface which is at substantially room temperature to form a semi-fused, highly porous coating. The porous metal surface is then heated to fuse the thermoplastic polymer coating into a well-anchored, continuous film. This method permits the application of a continuous thermoplastic polymer coating with one coating step rather than with the plurality of coating steps currently needed to produce a coating with comparable properties.