C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
166/16
C08G 18/76 (2006.01) C08G 18/30 (2006.01) C08G 18/38 (2006.01) C09K 8/508 (2006.01) C09K 17/46 (2006.01) E21B 33/14 (2006.01) E21D 1/10 (2006.01) E21D 9/00 (2006.01)
Patent
CA 1138329
Mo-2053 LeA 19,403 PROCESS FOR CONSOLIDATING AND SEALING OFF GEOLOGICAL AND ARTIFICIALLY DEPOSITED ROCK AND EARTH FORMATIONS ABSTRACT OF THE DISCLOSURE Waterglass solutions are mixed with polyiso- cyanates and these emulsions are then left to harden in the formations. Introduction of the mixture into the formations which are required to be consolidated, e.g. deposits of coal, is mainly carried out by forcing the mixture under pressure into bore-holes in the formations. According to one variation of the process, the components of the mixture are introduced into the multi-chamber cartridges which are introduced into the bore-holes and then destroyed as the components are mixed. Certain additives such as accelerators, blowing agents, polyols, stabilizers and/or thixotropic agents are advantageous for the quality of the composite masses formed by hardening of the mixture. MO-2053 LeA 19,403
346295
Kubens Rolf
Mehesch Hans
Meyer Frank
Winkelmann Martin
Aktiengesellschaft Bayer
Bergwerksverband G.m.b.h.
Sherman
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