one embodiment the modifying agent is a composition that comprises glycerol based polymeric polyol including polyglycerols polyglycerol derivatives and a polymer consisting of at least one glycerol monomer unit and at least another monomer unit to other multiple monomers units regardless of the sequence of monomers unit arrangements suitable glycerol based polymeric polyol include but are not limited to those described in u s patent application ser no 12 582 827 and us published patent application 2009 0130006 in at least one embodiment the polymeric polyol has a molecular weight of more than 100 in at least one embodiment the modifying agent is a composition that comprises polyglycerols suitable polyglycerols include but are not limited to those described in u s patent application ser no 12 582 827 and us published patent application 2009 0130006 in at least one embodiment the polyglycerol has a molecular weight of more than 100 although it is known that glycerol does have some use as a plasticizer in other materials for example as described in u s pat no 5 187 219 it has not been previously attempted to use polyglercerol in yankee dryer coatings in at least one embodiment the polyglycerol is one selected from the list consisting of diglycerol triglycerol and higher analogs as specified by the structure illustrated in fig1 the polyglycerols may be prepared by crosslinking with epichlorohydrin through the condensation of glycerol by polymerization of glycidol based monomers or any combination thereof in.