| abstract |
The invention discloses a process for manufacturing a BOPP tape, comprising the following steps: S1: ingredients: 100-120 parts by mass of homopolypropylene, 2-5% filler, 0.5-1 part of a heat stabilizer, 1 part by mass ‑2 parts of polytetrafluoroethylene material and anti-sticking agent are uniformly mixed in a certain proportion, and the film layer is hot-melt extruded through a belt extrusion device for later use. The invention adopts the composite base material layer of the outer layer, the inner layer adopts corona and hot pressing of multi-density material, the molding is similar to the convex contact of the outer wall of the lotus leaf, the adhesion effect of the pressure-sensitive glue is good, and the adhesive tape formed by BOPP has good stiffness effect, haze effect, high heat sealing strength, impact strength and other excellent physical and mechanical properties. |