Environment-friendly refractory foam material and preparation method thereof

• Main Authors: RAN LIMING, LU SIZHU, QIU SHUN, LU QINGYOU
• Format: Patent
• Language: Chinese; English
• Published: 29.03.2019
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

An environment-friendly refractory foam material and a preparation method thereof. The invention relates to a novel foam material capable of being used for energy-saving buildings and preparation thereof. The foam material includes: a sodium silicate component, a polyurethane component, and regular assistant materials and additives. The sodium silicate component (A) includes more than 60% of sodium silicate and also contains more than 0.5% of a catalyst and/or a co-catalyst so that in a normal-temperature foaming reaction, surface dry can be achieved within 10 min. The double components also contain more than 10% of a polyol or a polyol derivative. The polyurethane component (B) is a polyurethane prepolymer or is a combination of the polyurethane with a proper amount of polyisocyanate and/or an organic solvent and/or a plasticizer, wherein the polyurethane prepolymer is formed through a reaction of polyester polyol and/or polyether polyol and polyisocyanate, NCO content being 8-25% or8-13%. The weight ratio o