Near　net-shape　carbon　foams　were　fabricated　directly　by　pyrolysis　of　casting　parts　from　allyl　condensed　polynuclear　aromatic　(COPNA)-modified　bismaleimide　(ACMB)　resins.　Pyrolysis　behaviors　of　the　ACMB　resins,　prepared　with　different　mass　ratios　of　allyl　COPNA　(AC)　resin　to　4,4-bismaleimidodiphenyl　methane　(BDM),　were　investigated　by　thermogravimetric　analysis　(TGA),　scanning　electron　microscopy　(SEM)　and　X-ray　diffraction　(XRD).　In　addition,　characteristics　of　the　resulting　carbon　foams　were　studied　including　bulk　density,　open　cell,　porosity　electrical　conductivity,　thermal　conductivity　and　compressive　strength.　Results　show　that　the　ACMB　resins　have　better　thermal　properties　with　lower　AC　resin/BDM　mass　ratios,　and　the　structures　and　characteristics　of　the　carbon　foams　can　be　controlled　by　adjusting　AC　resin/BDM　mass　ratio　as　well　as　carbonization　temperature.　More　importantly,　the　carbon　foams　possess　enhanced　compressive　strength　with　an　increase　in　the　carbonization　temperature　varying　from　900　°C　to　2400　°C,　and　meanwhile　exhibit　relatively　low　thermal　conductivity.　©　2015　Elsevier　B.V.　All　rights　reserved.