ELECTRON DEFICIENT OLEFINS
This invention relates to novel electron deficient olefins, such as certain 2-cyanoacrylates and methylidene malonates, prepared using an imine or an iminium salt.
1 . Compounds according to claim 1 , selected from the group consisting of
2 . A composition comprising:
(a) one or more compounds of claim 1 ;
(b) a stabilizer package comprising at least one of a free radical stabilizer and an anionic stabilizer; and
(c) optionally, one or more additives selected from the group consisting of cure accelerators, thickeners, thixotropes, tougheners, thermal resistance-conferring agents, and plasticizers.
3 . The composition of claim 10 , further comprising a coreactant.
4 . The composition of claim 11 , wherein the coreactant is a member selected from the group consisting of epoxides, episulfides, oxetanes, thioxetanes, dioxolanes, dioxanes, isocyanates, maleimides, oxazolines, (meth)acrylates, acrylamides, cyanoacrylates, methylidene malonates, and vinyl ethers.