Processes of sealing and strengthening water-bearing...

Details Processes of sealing and strengthening water-bearing... Processes of sealing and strengthening water-bearing...

C - Chemistry, Metallurgy

09

K

31/22

C09K 17/30 (2006.01) C08G 18/22 (2006.01)

Patent

CA 1062450

ABSTRACT OF THE DISCLOSURE Processes for sealing and strengthening water-bearing geological formations by injecting thereinto a polyurethane- resin-forming composition that is especially suitable for this purpose which comprises a conventional polyisocyanate, a conven- tional polyol, an accelerator for the reaction between the poly- isocyanate and the polyol, and a foam stabilizer. - 1 -

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