• 实验结果表明醚氨酯该法提纯后其力学性能有了显著的提高。

    The results indicate that low molecular polymers and small molecular compounds contained in the polymer were removed by the method.

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  • 多元醇醇解反应进而聚醚、 二羟甲基二异氰酸反应制得水溶性氨酯油。

    Waterborne polyurethane resin is prepared by alcoholyzing oil with polyol at first, and then reacting with polyether (polyester), dimethylol propionic acid, diisocyanate.

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  • 本文红外光谱法较系统地研究了聚醚氢键及其性质表明材料内的NH基团几乎完全氢键化的。

    The hydrogen bonds and their property of the polyether polyurethane-urea have been systematically studied. The results indicate that the NH groups are almost completely hydrogen-bonded.

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  • 本文红外光谱法较系统地研究了聚醚氢键及其性质表明材料内的NH基团几乎完全氢键化的。

    The hydrogen bonds and their property of the polyether polyurethane-urea have been systematically studied. The results indicate that the NH groups are almost completely hydrogen-bonded.

    youdao

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