Adhesive composition and adhesive film or sheet on which the composition is coated

摘要

An adhesive composition comprising at least (A) at least one cyanate ester compound selected from the group consisting of: (i) polyfunctional aromatic cyanate ester monomers having the formula R-O-C 3BOND N)n wherein n is integer of 2-10 and R is an aromatic organic group, the cyanate groups being bonded to an aromatic ring or said aromatic organic group; (ii) homoprepolymers of (i) and (iii) coprepolymer of (i) and an amine, and (B) at least one thermoplastic saturated polyester resin which is non-crystalline, substantially non-crystalline or of low crystallinity is disclosed. The adhesive composition has excellent heat resistance, moisture resistance and chemical resistance.