| abstract |
The present invention is directed to a reinforcing agent for epoxy adhesives, which includes both soft and rubbery units and can be described as a capped soft rubber PU reinforcing agent. The present invention includes toughening agents and methods of making them, and adhesives comprising the toughening agents of the invention, methods of using the toughening agents and adhesives containing them, and cured inventive adhesives and the same Contains the product. [Selection figure] None |