TY JOUR TI ORGANIC-MINERAL THERMAL INSULATION COMPOSITE: FORMATION OF A POROUS STRUCTURE KW silicate component KW sodium metasilicate KW crystalline hydrate KW dispersion KW pore structure KW foaming KW rigid polyurethane foam JO Technique and technology of silicates AU Lipka, P.A. AU Mironova, K.A. AU Bruyako, M.G. AU Kozlova, I.V. AU Samchenko, S.V. PY 2026 IS 33 PB Individual Entrepreneur Svetlana Vasilievna Samchenko