Department of Physical Chemistry;
Center for Functional Materials;
/~bo Akademi University;
FI-20500 Abo;
Finland;
Laboratory of Paper Coating and Converting;
Center for Functional Materials;
Abo Akademi University;
FI-20500 Abo;
Finland;
Stora Enso Oyj;
Imatra Research Centre;
FI-55800 Imatra;
Finland;