Insulating electrical adhesive tape and preparation process thereof

The invention discloses an insulating electrical adhesive tape and a preparation process thereof, and the formula of the insulating electrical adhesive tape comprises a polyimide base material, polyimide resin and a base material main component, which account for 70-80% of the total weight of the base material; the dianhydride accounts for 10%-15% of the total weight of the base material; diamine which accounts for 10-15% of the total weight of the base material; the solvent is used enough to form a solution suitable for spreading and coating; the nano filler is aluminum oxide nano particles for enhancing mechanical strength and thermal stability and accounts for 1-5% of the total weight of the polyimide film; the temperature-sensitive coating comprises poly (N-isopropylacrylamide) and a basic polymer, and the weight of the basic polymer accounts for 20%-30% of the total weight of the coating; the cross-linking agent provides a network structure and accounts for 1-5% of the total weight of the coating; the in