Abstract: Two-component waterborne polyurethane（PU）adhesives for laminated plastics films were prepared and characterized with FTIR and DSC，and the effect of two types of crosslinking agents epoxy resin 6360 and melamine-formaldehyde resin on the properties of the adhesives was investigated. The results indicated that the crosslinking agents could react with waterborne polyurethane，which was confirmed by FTIR and DSC. The addition of the crosslinking agents increased the crosslinking ability and viscosity of the polyurethane adhesive，therefore strengthening T-style peel strength of the adhesives between polyethylene terephthalate（PET）and polyethylene（PE）film，and reducing the solubility of PU films in toluene. The optimized content of epoxy resin 6360 in the system was about 5（wt％）while the optimized of content of melamine-formaldehyde resin was about 10（wt％）. Good appearance and excellent adhesion performance of the laminated PET/PE films by PU adhesives would be achieved when the films were treated at a mild temperature for an appropriate time.