Dually cured peelable blue gel and preparation method thereof

The invention discloses dually cured peelable blue gel and a preparation method thereof. The dually cured peelable blue gel is prepared from the following raw materials in percentage by mass: 40-45% of vinyl chloride-vinyl acetate copolymerization resin, 20-30% of a plasticizer, 1-3% of a thixotropic agent, 5-8% of an active monomer, 2-5% of a photoinitiator, 1-3% of epoxy resin, 2-4% of nano packing, 0.1-1% of pigment and 0.5-1% of a defoaming agent. The preparation method of the peelable blue gel comprises the following steps: uniformly mixing various raw materials, and grinding, thereby obtaining the peelable blue gel. The characteristics that the curing velocity is high when the peelable blue gel is cured by using ultraviolet light and the thermal cured peelable blue gel is resistant to high temperature are combined, ultraviolet curing is adopted for first curing, and the time for curing is shortened by about 10-30 minutes when being compared with that of conventional thermal curing. Compared with conventional ultraviolet cured peelable blue gel, the dually cured peelable blue gel overcomes the defects that the ultraviolet cured peelable blue gel has residual exposed gel side and is poor in toughness, likely to have color change and hard to peel off after being baked at high temperature.