Polyurethane/geotextile composite and a process related thereto for the production thereof

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United States of America Patent

APP PUB NO 20020168907A1
SERIAL NO

09809604

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Abstract

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A polyurethane/geotextile composite having greater strength and dimensional stability than composites made with filled polyurethanes is produced by impregnating a geotextile with an unfilled polyurethane composition and allowing the polyurethane composition to cure. The polyurethane composition employed is reaction product of a liquid polyisocyanate having an isocyanate content of at least 10% by weight, a high molecular weight polyether polyol, and an organometallic catalyst. A low molecular weight diol or triol may optionally be included in the polyurethane-forming reaction mixture. These polyurethane/geotextile composites are particularly suitable for lining ditches and canals.

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Patent Owner(s)

Patent OwnerAddress
BAYER MATERIALSCIENCE LLC100 BAYER ROAD PITTSBURGH PA 15205-9741

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guether, Ralf Pittsburgh, PA 18 91
Markusch, Peter H McMurray, PA 86 1084

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