(2011-2013)
Formaldehyde-free Tannin foams
Preparation of completely natural tannin-based rigid foams with external energy support (hot press and microwave). Complete replacement of formaldehyde and diethylether for the production of a porous materials obtained from wood extractives, chemical derivates from hydrolysis of the hemicellulose and fermentation of simple sugars.
M.Link, C.Kolbitsch, R. Lesacher
Tannin Foams