FORMULATION SUITABLE TO PROVIDE AN ELASTOMER

摘要

The invention relates to a formulation suitable to provide a soft elastomer for cavity filling, the formulation comprising (a) water; (b) at least one alkali metal silicate; (c) at least one polyol component comprising at least an aliphatic polyol containing at least one ester group and bearing at least one pendant alkyl or alkenyl group of at least four carbon atoms, each of said alkyl or alkenyl group being optionally substituted with one or more C1-6 alkyl or hydroxyl substituents; (d) at least one isocyanate; and (e) at least one isocyanate reactive component selected from the group comprising poly ether, polycarbonate or mixture thereof, wherein each of said poly ether and polycarbonate compound comprises at least one isocyanate reactive group selected from the group comprising hydroxyl, amino, epoxy or thiol.