| abstract |
Provided is a flame retardant adhesive composition including (A) a halogen-free epoxy resin, (B) a thermoplastic resin and/or a synthetic rubber, (C) a curing agent, (D) a curing accelerator, and (E) a phosphorus-containing filler. Also provided are an adhesive sheet, a coverlay film, and a flexible copper-clad laminate prepared using such a composition. A cured product yielded by curing the composition, as well as the adhesive sheet, the coverlay film, and the flexible copper-clad laminate display excellent flame retardancy and electrical characteristics (anti-migration properties). |