Water and/or oil-impermeable sealing mat consisting substantially of subsrate layer, layer of swellable clay and cover layer

A waterproof and/or oilproof needled sealing mat composed of nonwovens and swellable clay is made available, in which a clay layer is located between the support and covering layer. The clay layer is, together with the support and covering layer, a special feature combination. The support layer can...

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Bibliographische Detailangaben
Hauptverfasser:	VOLKARD MULLER, GEORG HEERTEN, KARSTEN JOHANNBEN
Format:	Patent
Sprache:	eng
Schlagworte:	BRAIDING BUILDING CEILINGS CHEMISTRY COMPOUNDS THEREOF COTTON-WOOL DISPOSAL OF SOLID WASTE EMBANKMENTS EXCAVATIONS FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS FIXED CONSTRUCTIONS FLOORS FOUNDATIONS GENERAL BUILDING CONSTRUCTIONS HYDRAULIC ENGINEERING INORGANIC CHEMISTRY INSULATION OR OTHER PROTECTION OF BUILDINGS KNITTING LACE-MAKING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL METALLURGY NON-METALLIC ELEMENTS NON-WOVEN FABRICS PERFORMING OPERATIONS RECLAMATION OF CONTAMINED SOIL SOIL ROOFS SOIL SHIFTING TEXTILES TRANSPORTING TRIMMINGS UNDERGROUND OR UNDERWATER STRUCTURES WADDING WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	A waterproof and/or oilproof needled sealing mat composed of nonwovens and swellable clay is made available, in which a clay layer is located between the support and covering layer. The clay layer is, together with the support and covering layer, a special feature combination. The support layer can also consist of a nonwoven in combination with a woven fabric, knitted fabric and/or a plastic film. The sealing mat, even in the swollen state of the clay, is a stable fibre composite which, to a high extent, can divert shearing forces which act on the covering layer into the support layer, without the swollen bentonite becoming the sliding surface.