| abstract |
As a binder for renewable raw materials in the form of fibers, chips or particles for producing shaped articles, A) ethylenically unsaturated acid anhydrides, or radical polymerizations, consisting of 5 to 100% by weight of dicarboxylic acids in which carboxyl groups can form anhydride groups. It is disclosed to use a formaldehyde-free (formaldehyde free) aqueous binder containing a polymer obtained by B and an alkanolamine having two or more hydroxyl groups. |