TY JOUR TI THERMAL STABILITY OF CASTING POLYISOCYANURATE FOAMS KW polyisocyanurate foam KW density KW mass loss KW thermal and thermooxidative degradation KW decomposition rate JO Technique and technology of silicates AU Zolotarev, M.E. AU Naganovsky, Y.K. AU Ushkov, V.A. PY 2024 IS 31 PB Individual Entrepreneur Svetlana Vasilievna Samchenko