Provided are adhesive compositions comprising a mixture of a maleimide
terminated polyimide resin, a thermoplastic resin compatible with the
maleimide terminated polyimide resin, a thermally activated free radical
curing agent, and electrically conductive particles and/or scrim. Various
embodiments add a silane coupling agent and/or an ethylenically
unsaturated compound with acid functionality. Methods of using the
compositions also are provided.