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Dynasylan® - the brand for functional silanes
For many years now, there have been polyurethane-based adhesives and sealants in which curing and crosslinking occurs through the reaction of the isocyanate end groups (NCO groups) with humidity.
However, because of their physiological effects, many of today’s manufacturers of adhesives and sealants would like to replace the NCO groups with others that do not represent a health risk but are nevertheless moisture-reactive. In light of this trend, Dynasylan® offers the quick application, without side reactions, of NCO-containing pre-polymers with highly reactive secondary aminosilanes. For the production of these new binder systems (use in structural adhesives, parquet adhesives, over-paintable hybrid sealants), Evonik provides the following silanes: