Research Progress on Reactive Polyurethane Hot-melt Adhesives
In recent years,reactive polyurethane hot-melt adhesives (PUR)has become a hot research topic in adhesive field and had been rapidly developed because they owed environmental friendly,excellent performance and wide application etc.The curing mechanism,characteristics and application of PUR were briefly described.Some research progresses on PUR in polyurethane pre-polymers,thermoplastic resins,tackifying resins and additives etc.were also reviewed,and the future prospects were predicted in this area.
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