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Two-ply polyurethane/geotextile composite and process for preparing the same
Two-ply polyurethane/geotextile composite and process for preparing the same
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机译:两层聚氨酯/土工织物复合材料及其制备方法
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摘要
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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