PROCESS FOR FORMING A REFLECTIVE SURFACE

摘要

Processes form a retroreflective surface on a substrate. In one example, the substrate is in condition for accepting a polymer coating and the process includes providing a powder coating material and applying the powder coating material to an outer surface of the substrate. The process can further include heating the powder coating material to a partially cured state, providing a reflective material, and applying a retroreflective layer on the surface of the powder coating material by at least partially embedding the reflective material in the partially cured powder coating material. The process further includes secondary heating to the powder coating material to a final cure state, wherein the substrate is not pretreated prior to application of the powder coating step. Further processes include applying a polymeric powder coating material in a molten state to the substrate by flame spraying. Still further processes include applying a polymeric coating material in a molten state to the substrate by extrusion. After application by flame spraying or extrusion, reflective material can be embedded to form a retroreflective surface on the substrate.