REINFORCEMENT OF GEOLOGICAL STRATUM

A process for the solidification of geological formations in underground mining or engineering by introducing reaction mixtures which react to give polyurethane plastics into the formations to be solidified, with the reaction mixtures, which contain a polyisocyanate component, a polyol component and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BUORUFUGANGU KOONERII, HANSU PEETAA MIYUURAA, MANFURETSUDO KATSUPUSU, HANSU ERUNSUTO MEESHIYU, FURANKU MEIYAA, PEETERU BUEEBUARUTO
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES EARTH DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GALLERIES HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES SHAFTS SOIL SHIFTING THEIR PREPARATION OR CHEMICAL WORKING-UP TUNNELS UNDERGROUND OR UNDERWATER STRUCTURES USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A process for the solidification of geological formations in underground mining or engineering by introducing reaction mixtures which react to give polyurethane plastics into the formations to be solidified, with the reaction mixtures, which contain a polyisocyanate component, a polyol component and assistants and additives, containing cyclic polydimethylsiloxanes having a molecular weight in the range of 222 to 740 in an amount of from 0.01 to 5.0% by weight, based on the total weight of the reaction mixture.