UVLED paint glue curing application

UVLED curing

In terms of paint curing, they are all used to cure UV paint. But in fact, UVLED curing machine can also be used for raw lacquer curing. Yuntong Technology's UVLED raw lacquer light curing equipment in this regard. In the UVLED curing technology, the crude urushiol radical breaks the urushiol semiquinone radical, which is the main active species that initiates the photopolymerization reaction. On the one hand, the attack on the long side chain unsaturated carbon bond occurs. Free radical photopolymerization. ; On the other hand, the attack on the benzene ring undergoes a radical substitution reaction, and at the same time, the photocyclization reaction occurs on the long-side unsaturated carbon bond. These reactions are repeated to polymerize, crosslink and cure to form films. When this group is capped and the long-side carbon bonds are gradually hydrogenated, the polymerization rate is significantly reduced. Under the irradiation of UVLED curing machine, without additional photoinitiator, the natural paint can be cross-linked into a photopolymerized natural paint film within 2 seconds, and the polysaccharides, glycoproteins and other substances in the paint emulsion also have the original In light-cured paint films, this effect translates into a covalent bond effect.