Assembly and manufacturing processes are highly dependent on the rapid and effective curing of ultraviolet (UV) adhesives. Historically, mercury arc lamps have been used as the curing source in a wide range of industrial applications and processes to polymerize adhesives.
UV LED curing refers to a technique that uses “energy” output from the light emitting diodes (LEDs) in the ultraviolet (UV) spectrum to treat coatings, adhesives, inks and other UV-curable materials.
One never gets a full 100% cure of these thermoset systems at relatively low temperatures because molecular mobility goes down dramatically as the adhesive increases in viscosity during curing.