Abstract: A composition based on water and/or organic solvents and their use as a finish on flat materials, comprising (1) 10-90% of a hydrophobic wax based component, (2) 10-90% of a hydrophobic reaction product prepared by reacting a component (A) with a partially blocked or non-blocked di-, tri- or polyisocyanate and (3) ?0-45% by weight of a blocked or non-blocked di-, tri- or polyisocyanate and (4) optionally, an emulsifier. When used as a finish on flat materials, the composition can endow the treated flat materials with durable hydrophobic properties.

Abstract: Preparations (Z) based on water and/or organic solvents and their use as a finish on flat materials are disclosed, comprising (1) 10-90% of a hydrophobic wax based component, (2) 10-90% of a hydrophobic reaction product (S) prepared by reacting a component (A) with a partially blocked or non-blocked di-, tri- or polyisocyanate (IC) and (3) ?0-45% by weight of a blocked or non-blocked di-, tri- or polyisocyanate and (4) if appropriate customary emulsifiers. When used as a finish on flat materials, the preparations can endow the treated flat materials with durable hydrophobic properties.