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Aqueous polyurethane resin dispersion, and polyurethane resin film and synthetic leather obtained using the same
Aqueous polyurethane resin dispersion, and polyurethane resin film and synthetic leather obtained using the same
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机译：水性聚氨酯树脂分散体，以及使用该分散体获得的聚氨酯树脂薄膜和合成革
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摘要
At least a polyurethane resin obtained by reacting a high molecular weight polyol having a number average molecular weight of 500 or more, an acidic group-containing polyol, and a polyisocyanate is an aqueous polyurethane resin dispersion dispersed in an aqueous medium, Provided is an aqueous polyurethane resin dispersion in which the high molecular weight polyol contains a polyester polycarbonate polyol having an alicyclic structure in the main chain. The high molecular weight polyol preferably contains a polyester polycarbonate polyol having an alicyclic structure in the main chain, a polycarbonate polyol, and a polyester polyol.
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