| abstract |
The invention discloses a preparation method of an elastic photosensitive resin for 3D printing: adding urethane acrylate and bisphenol F type epoxy acrylate into a stirring kettle, free radical photoinitiator, antibacterial agent, toner, leveling agent, The defoaming agent, nano-silicon dioxide and nano-titanium dioxide are sequentially added to the stirring tank, and finally the acrylate monomer is added to the stirring tank, until the viscosity in the stirring tank is 100-3000cps, and stirring is stopped to prepare a photosensitive resin for 3D printing. The invention combines the advantages of the photosensitive resin mixed with the urethane acrylate and the bisphenol F type epoxy acrylate, the polymerization shrinkage rate is small, and the mechanical properties are improved. The addition of the antibacterial agent enables the shoe midsole printed by the photosensitive resin to have better antibacterial properties, and avoids the breeding of bacteria in the mesh 3D printed shoe midsole. The addition of nano-silicon dioxide and nano-titanium dioxide improves the mechanical properties of the photosensitive resin, and the nano-titanium dioxide has a certain antibacterial effect, which further enhances the antibacterial ability of the photosensitive resin. |