
UV Curing Principles and Application Guidance
Ultraviolet light (UV) curing uses the photosensitivity of photoinitiators (photosensitizers) to form photoinitiators under ultraviolet light to stimulate the decomposition of ecological molecules into free radicals or ions, so that unsaturated organic matter undergoes chemical reactions such as polymerization, grafting, and cross-linking to achieve the purpose of curing. Treatment of infrared radiation from UV lamps: Ultraviolet high-pressure mercury lamps convert 60% of their total power into infrared radiation, and the bulb surface temperature can rise up to 700-800℃. In order to avoid overheating of materials, high-power lamps and multi-lamp systems are used in UV curing devices, so various measures are generally taken in the device to cool the lamp tube, reflector lampshade and substrate. The common used methods: First is air cooling, which is the most widely used method today…