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US 5,107,928 AGranted
Organomineral products from aqueous alkali metal silicate, polyisocyanate and epoxy resin
OwnerKarl-Heinz Hilterhausinventor
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OwnerKarl-Heinz Hilterhausinventor
Estimating the term…
In the production of organomineral products which are used, in particular, within the scope of the process for stratum consolidation, it is a disadvantage that foams are, as a rule used which have inadequate strength and that, in addition, the hard polymer segments which are responsible for the strength of the organomineral products, do not contribute to the adhesion of the organomineral products, if they are used in situ for stratum consolidation. A process is disclosed for reacting organic polyisocyanates with epoxy resins in the presence of aqueous alkali-metal silicate solutions, the coreactants being used in an amount of substance ratio corresponding to the relationship ##STR1## so that foaming of the reaction mixture is prevented and an organic polymer structure containing oxazolidinone ring structures is formed which bears adhesion-improving OH groups. The process is useful for stratum consolidation, stabilization and/or sealing of construction engineering works and bore holes, moulding and coating materials.
Process for stratum consolidation, comprising the step of
A process for consolidating and/or sealing geological and/or artificial formations which are exposed to enhanced high-energy radiation, comprising the steps of injecting a reaction mixture via bore holes into the formation or coating the surface of the formation to be sealed with the reaction mixture, wherein the reaction mixture comprises
Dependencies are inferred from the claim text.