Henkel Corporation has been granted a patent for a two-part free radical curable acrylic adhesive composition comprised of a first part comprised of at least one (meth)acrylate component; and a second part comprised of a naturally occurring filler selected from the group consisting of wood flour and walnut shell flour which inhibits free radical cure; at least one oxygen scavenger, and a monomer that forms a curable adhesive with the (meth)acrylate component of the first part, wherein at least one of the first part, or the second part also includes a cure system.
Source:
http://www.coatingsworld.com/issues/0713/view_patents/henkel-patents-acrylic-adhesives/
