00549naa#a2200169#i#450# EN\\bibl\114166 20260203203503.2 3034-4689 20260131b2026####ek#y0engy0150####ca RU ON THE INFLUENCE OF POLYOL COMPOSITION FUNCTIONALITY ON CONCENTRATION GRADIENTS IN POLYURETHANE-POLYISOCYANURATE FOAMS Journal article Kazan Kazan National Research Technological University 2026 5 с. Journal article local Vlasov R. R. vestniktu.ru