1. What is the uv adhesive made of?
UV adhesive is a one-component UV visible light, cured and modified acrylate glue. UV glue is also called ultraviolet glue, ultraviolet glue, and shadowless glue. The uv adhesive must be irradiated with ultraviolet light to have a curing response and be used as an adhesive. In addition to being an adhesive, it can also be used as a coating, paint, etc.
Second, the curing principle of uv adhesive
The curing principle of the uv adhesive is the photosensitizer in the uv curing adhesive. Under the irradiation of ultraviolet light, it can absorb ultraviolet light, and generate active free radicals and cations to initiate monomer polymerization, crosslinking and branching chemical reactions, so the uv adhesive can instantly change from The liquid shape changes to a solid state. Under the irradiation of the UV lamp, the initial curing of the uv adhesive can be completed within 5 seconds, and then it can be completely cured after 3 seconds of irradiation. If you want to be stronger, you may add the irradiation time. The curing time of different types of uv adhesives may be different, and the details are treated in detail.
3What are the characteristics of uv adhesives?
1. Fast curing speed and high bonding strength.
2. The response can be controlled, and it is solvent-free and pollution-free.
3. Excellent weather resistance, no yellowing or discoloration.
4. The light transmittance of uv adhesive after curing is as high as 90%, and the optical function is excellent.
5. The UV adhesive needs to be transparent and light-transmitting on one side. Assuming that the two ends of the adhesive material are opaque, it is difficult to end the ultraviolet light curing.