Two-ply polyurethane/geotextile composite and process for preparing the same
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United States of America Patent
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N/A
Issued Date -
Nov 14, 2002
app pub date -
Mar 15, 2001
filing date -
Mar 15, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Two-ply polyurethane geotextile composites suitable for lining ditches and canals in which a rigid, dimensionally stable geotextile is bonded to a soft, pliable geotextile with a solidifiable, liquid polyurethane composition which is a reaction product of a mixture of a liquid polyisocyanate having an NCO content of at least 10% by weight, an isocyanate-reactive component which includes at least one high molecular weight polyether polyol and a urethane catalyst are made, preferably at the site where the composite will be used.
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Cited Art Landscape
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