Structural adhesive tape and method of manufacturing the same

A method of manufacturing a structural adhesive tape, comprising:

• manufacturing an adhesive layer by adding an adhesive tape composition to a release paper;
• manufacturing a laminated body by laminating a mesh layer on the adhesive layer;
• removing scraps in the mesh layer;
• and
• cutting the laminated body from which the scraps have been removed,
• wherein the adhesive tape composition comprises an amount of 35 to 45 wt % of an epoxy resin, an amount of 20 to 25 wt % of an inorganic filler, an amount of 5 to 10 wt % of a moisture scavenger, an amount of 2 to 5 wt % of a flame retardant plasticizer, an amount of 10 to 20 wt % of rubber particles, an amount of 2.5 to 4 wt % of a hardener, and an amount of 10 to 15 wt % of an urethane resin,
• the epoxy resin comprises an amount of 25 to 30 wt % in a solid phase and an amount of 10 to 15 wt % in a liquid phase, all the wt % are based on the total weight of the adhesive layer,
• wherein the adhesive layer further comprises an amount of 0.05 to 0.1 wt % of a pigment, an amount of 1 to 2 wt % of a hydrophobic silica, and an amount of 0.5 to 1 wt % of an urea, based on the total weight of the adhesive layer,
• wherein the mesh layer comprises a polyester fiber,
• wherein the mesh layer has a size ranging from 40 mesh to 60 mesh, fineness ranging from 75 D to 200 D, and a density ranging from 20 T/inch to 30 T/inch,
• wherein the inorganic filler comprises one or more selected from the group consisting of calcium carbonate and barium sulfate,
• wherein the moisture scavenger comprises calcium oxide,
• wherein the flame retardant plasticizer comprises tricresyl phosphate, and
• wherein the structural adhesive tape has shear strength ranges from 29 MPa to 35 MPa, delamination strength ranges from 290 M/25 mm to 320 M/25 mm.