COMPOSITIONS OF POLYURETHANE GROUTING MORTARS

FIELD: chemistry.SUBSTANCE: invention relates to the compositions of polyurethane grouting mortars used to quickly stop the leakage of filtration water and to control filtration losses during explorations by column drilling, mining and extracting shale gas, excavating a foundation pit and connecting...

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Bibliographische Detailangaben
Hauptverfasser: PEN Chzhi, DAJ Yuepin, U Syaodun
Format: Patent
Sprache:eng ; rus
Schlagworte:
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