The photoinitiator (PI) industry has good development prospects and there are many companies with a global market presence.

Photoinitiator, also known as photosensitizer, photoinitiator, or PI for short, refers to a substance that can absorb radiant energy, undergo photochemical changes when excited, and produce active intermediates (free radicals or cations) with the ability to initiate polymerization. According to the difference in absorbed radiant energy, photoinitiators can be divided into ultraviolet photoinitiators and visible…