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UV LED curing technology is developing rapidly, and uvled curing equipment has been used in many industries, and it also has a wide range of applications in the touch screen industry. In our lives, touch screen applications can be seen everywhere, such as mobile phones, tablet computers, induction cookers, disinfection cabinets, medical equipment and registration, diagnosis and treatment, dispensing systems, ATM machines, etc.
The photoinitiator absorbs light and is responsible for generating free radicals. High-energy free radicals cause cross-linking between the unsaturated sites of monomers, oligomers and polymers. It can be said that the most important additive is the photoinitiator for UV curing adhesives.
Recently, Tokyo Institute of Technology in Japan and McGill University in Canada have developed a new dye-free optical alignment method, which uses a photopolymerization process to guide unpolarized light in time and space to achieve a two-dimensional pattern of liquid crystals. This new method provides a new way to easily manufacture highly functional organic materials such as flexible liquid crystal devices.