Environment-friendly water-based adhesive and preparation method thereof

The invention discloses an environment-friendly water-based adhesive. The water-based adhesive comprises the following raw materials in parts by weight: 30-40 parts of acrylic acid modified amino-terminated water-soluble hyperbranched polyamide, 10-15 parts of (chloromethyl)boronic acid pinacol ester ionic-modified N,N'-bis(2-hydroxyethyl)-N,N'-bis(trimethoxysilylpropyl)ethylenediamine/hydrogenated acrylic acid rosin, -3-6 parts of triethoxysilyl propyl maleic acid, 5-10 parts of polyethylene glycol diacrylate, 4-8 parts of attapulgite, 1-3 parts of fullerene-based carbon quantum dots, 0.5-1.5parts of an emulsifier, 25-35 parts of deionized water, 3-6 parts of a cosolvent, 1-3 parts of a photoinitiator and 0.5-1 part of a coupling agent. The invention also discloses a preparation method of the environment-friendly water-based adhesive. The environment-friendly water-based adhesive disclosed by the invention has the advantages of good water resistance, higher peel strength, sufficientinitial adhesion, excellen