Polyurethane dispersion based synthetic leathers
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United States of America Patent
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May 8, 2018
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app pub date -
Jan 11, 2013
filing date -
Jan 11, 2013
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Abstract
A multilayer structure including (a) a fabric, (b) a polyurethane foam containing a plurality of cells defined therein, wherein the foam contains at least one surfactant, and (c) a skin layer, wherein the skin layer comprises a wetting agent and an acrylic polymer having a glass transition temperature of −20 degree Celsius or less, and the foam resides between the fabric and the skin layer; and the process of preparing the multilayer structure.
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