| abstract |
The present invention relates to a composition for producing an organic-inorganic composite material, an organic-inorganic composite material, and a railroad sleeper including the same. Wherein the multifunctional isocyanate is a multifunctional isocyanate in the chemical structure, which is modified by a polymeric MDI (polymeric MDI) or a monomeric MDI (monomeric MDI). - Compositions for manufacturing inorganic composite materials, organic-inorganic composite materials, and railway sleepers containing the same. [Structural formula 1] |