| abstract |
The invention relates to an adhesive system comprising - a protein; - a polymer comprising at least one carboxylic group or at least one carboxylic anhydride group, or a combination thereof, with the proviso that said polymer does not contain 5 to 90 wt-% of vinyl pivalate units in combination with 0.2 to 15 wt-% of primary hydroxyl group-containing vinyl compound units, and - a polyamine-epihalohydrin. The invention further relates to the use of the adhesive system, an adhesive composition, a method of producing a wood based product and a wood based product. |