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The invention relates to a reactive hot-melt adhesive containing between 30 and 70 wt. % of at least one prepolymer having at least two isocyanate groups with a molecular weight of less than 6000 g/mol produced from polyether polyols and/or polyester polyols reacted with a molar excess of aromatic diisocyanates, the prepolymer containing less than 1 % monomeric diisocyanate, 30 to 70 wt. % of a...