Superhydrophobicity as a phenomenon has been disclosed in “An introduction to superhydrophobicity” Neil J. Shirtcliffe et al, Advances in Colloid and Interface Science, 161 (2010) 124-138.
Superhydrophobic Polyolefin Surfaces are also disclosed in “Superhydrophobic Polyolefin Surfaces: Controlled Micro- and Nanostructures”, Esa Puukilainen et al, Langmuir, 2007, 23 (13), 7263-7268.
Further, self cleaning technologies are disclosed in “Self cleaning materials”, Peter Forbes, Scientific American, August, 2008, pp. 88-95.
Further production of corrugated cardboard is disclosed in FR2782291.
SE7512107 discloses a method of making paper-plastic laminates.
An image transfer belt with controlled surface topography to improve toner release is further disclosed in US2010/300604.
However none of these documents discloses solutions how to                make it easy to empty dairy packages,        reduce foaming during conveying soft drinks or beer into a cup or how to        obtain a nice touch surface.        
Accordingly there is a need for a solution solving one or more of the above problems.