BOPP (biaxially-oriented polypropylene) adhesive tape with ultrahigh viscosity and high heat resistance as well as preparation method and preparation system of BOPP adhesive tape

The invention relates to the technical field of adhesive tape manufacturing, and discloses a BOPP (biaxially-oriented polypropylene) adhesive tape with ultrahigh viscosity and high heat resistance, which comprises the following components in percentage by weight: 100% of BOPP film as a base material; the ultraviolet isolation layer is a metal oxide coating which is coated on the base material layer; the formula range of the adhesive is as follows: high-viscosity resin: 40-45% of acrylate resin, 8-10% of natural rubber and 4-5% of synthetic rubber; the UV curing system comprises the following components in percentage by weight: 1.5 to 2.5 percent of UV curing monomer and 0.4 to 0.7 percent of photoinitiator; a heat stabilizer: 2.5-3.5% of an organic tin compound; an adhesion promoter: 5 to 7% of isocyanate; a filler: 4 to 6% of powdery zinc oxide or calcium carbonate; and an antioxidant: 0.8 to 1.2% of Hindated phenol antioxidant. A solvent: 23-27% of an organic solvent; according to the BOPP adhesive tape sch