Abstract
Epoxy resin is widely utilized as high performance adhesives, because of the good bonding strength, excellent thermal and chemical stabilities. However, the brittleness of this resin is limitting the applied fields of the resin as the adhesives. Even now, a development of novel toughened epoxy adhesives is required in the many industrial field, for example, the machine, electric and electronic industry, etc. This article reviewed the recent high functional epoxy adhesives toughened with some elastmeric materials and by the introduction of mesogenic groups. In all toughened adhesives, novel useful characters, such as pre-fastening effect, rubber elastic property, or high plastic deformability, is appeared in addition to their high bonding properties.
