| abstract |
The invention discloses a kind of high-temperature resistant waterborne polyurethane ink adhesives and preparation method thereof, the primary structure of ink adhesive described in this method is the network structure being interwoven by polyacrylonitrile electrospun fibers and aqueous polyurethane strand, and by polycarbonate glycol, either polycaprolactone glycol or polyoxypropyleneglycol react aqueous polyurethane strand with Methylcyclohexyl diisocyanate or methyl diphenylene diisocyanate.A kind of high-temperature resistant waterborne polyurethane ink adhesive of the present invention and preparation method thereof takes following steps：The preparation of spinning solution, the acquisition of electrospun fibers, the synthesis of Waterborne Polyurethane Prepolymer, the synthesis of aqueous polyurethane emulsion and the preparation of high-temperature resistant waterborne polyurethane ink adhesive；A kind of thermal stability of high-temperature resistant waterborne polyurethane ink adhesive of the present invention be improved significantly, and preparation method is simple, is not related to the discharge of polluter. |