Wetlaid-spunbond laminate membrane support
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United States of America Patent
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May 30, 2006
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app pub date -
Jul 7, 2003
filing date -
Jul 7, 2003
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Abstract
Nonwoven fabric laminates suitable for use as semipermeable membrane supports are provided. The fabric laminates generally include at least two layers: a spunbond layer of continuous filament fibers and a wet-laid layer of discontinuous filaments. The resulting semipermeable membrane supports provide an advantageous balance of properties, including smoothness, porosity, interlaminar adhesion, and flux properties.
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