A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a fluoro-siloxane resin bonding carbon-rich fire resistant material. The material is composed of, by weight, 10-12 parts of sisal fiber, 3-7 parts of fluoro-siloxane resin, 26-30 parts of tetraethoxysilane, 40-53 parts of crystalline flake graphite, 30-40 parts of amorphous graphite, 1-2 parts of octadecanoic acid, 0.7-2 parts of pentaerythritol, 0.1-0.17 part of benzotriazole, 3-4 parts of salpeter solutions of 10-13 mol/l, 2-3 parts of glacial acetic acid, 0.5-1 part of brown sugar, 2-3 parts of sodium potassium silicate and 6-8 parts of dimethyl carbonate. Under the condition of adding a catalyst, namely the glacial acetic acid, the tetraethoxysilane is hydrolyzed into silanol sol, the silanol sol and fiber emulsion are mixed, a heterocomplex containing carbon and silicon is obtained through evaporation solvent, finally high temperature carbonization is conducted, the fiber emulsion provides a carbon source, and a carbon-silicon compound additive is obtained. The carbon-silicon compound additive is stable in chemical property, high in heat conductivity coefficient, low in thermal expansion coefficient, resistant to thermal shock, low in weight and high in strength.
The invention discloses a fluoro-siloxane resin bonding carbon-rich fire resistant material. The material is composed of, by weight, 10-12 parts of sisal fiber, 3-7 parts of fluoro-siloxane resin, 26-30 parts of tetraethoxysilane, 40-53 parts of crystalline flake graphite, 30-40 parts of amorphous graphite, 1-2 parts of octadecanoic acid, 0.7-2 parts of pentaerythritol, 0.1-0.17 part of benzotriazole, 3-4 parts of salpeter solutions of 10-13 mol/l, 2-3 parts of glacial acetic acid, 0.5-1 part of brown sugar, 2-3 parts of sodium potassium silicate and 6-8 parts of dimethyl carbonate. Under the condition of adding a catalyst, namely the glacial acetic acid, the tetraethoxysilane is hydrolyzed into silanol sol, the silanol sol and fiber emulsion are mixed, a heterocomplex containing carbon and silicon is obtained through evaporation solvent, finally high temperature carbonization is conducted, the fiber emulsion provides a carbon source, and a carbon-silicon compound additive is obtained. The carbon-silicon compound additive is stable in chemical property, high in heat conductivity coefficient, low in thermal expansion coefficient, resistant to thermal shock, low in weight and high in strength.
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