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Porous polyurethanes based on hyperbranched amino ethers of boric acid

机译：基于硼酸的超支化氨基醚的多孔聚氨酯

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摘要

Novel polyurethanes with hierarchical supramolecular structure were synthesized via polyaddition reaction of amino ethers of boric acid and polyisocyanate. The structural features of amino ethers of boric acid were investigated using B-11 NMR spectroscopy and dynamic light scattering. The changes of surface topology and pore size which were dependent on the hyperbranched structure of amino ethers of boric acid for synthesized polymers were characterized by atomic force microscopy and capillary flow porometry. Macromolecular packing in polyurethanes was analyzed from the swelling, water sorption, thermogravimetry, mechanical loss tangent, contact angle measurements, and tensile test results. According to the results of gas transport and water vapour testing, the synthesized polyurethanes exhibit the non-additive character of permeability changing.
机译：通过硼酸和多异氰酸酯的氨基醚的聚酰胺反应合成具有等级超分子结构的新型聚氨酯。 使用B-11 NMR光谱研究硼酸氨基醚的结构特征，动态光散射研究。 通过原子力显微镜和毛细血管流动孔径表征依赖于合成聚合物的硼酸氨基醚的超支化结构的表面拓扑和孔径的变化。 从溶胀，吸水，热重量测定，机械损失切线，接触角测量和拉伸试验结果中分析了聚氨酯中的高分子包装。 根据气体输送和水蒸气测试的结果，合成的聚氨酯表现出渗透性变化的非添加性特性。

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  • 来源
    《RSC Advances》 |2016年第112期|共11页
  • 作者

    Davletbaeva I. M.; Nurgaliyeva G. R.; Akhmetshina A. I.; Davletbaev R. S.; Atlaskin A. A.; Sazanova T. S.; Efimov S. V.; Klochkov V. V.; Vorotyntsev I. V.;

  • 作者单位

    Nizhny Novgorod State Tech Univ naRE Alekseev 24 Minina Str Nizhnii Novgorod 603950 Russia;

    Kazan Natl Res Technol Univ 68 Karl Marks Str Kazan 420015 Republic Of Tat Russia;

    Nizhny Novgorod State Tech Univ naRE Alekseev 24 Minina Str Nizhnii Novgorod 603950 Russia;

    Nizhny Novgorod State Tech Univ naRE Alekseev 24 Minina Str Nizhnii Novgorod 603950 Russia;

    Nizhny Novgorod State Tech Univ naRE Alekseev 24 Minina Str Nizhnii Novgorod 603950 Russia;

    Nizhny Novgorod State Tech Univ naRE Alekseev 24 Minina Str Nizhnii Novgorod 603950 Russia;

    Kazan Fed Univ 18 Kremlyovskaya St Kazan 420008 Republic Of Tat Russia;

    Kazan Fed Univ 18 Kremlyovskaya St Kazan 420008 Republic Of Tat Russia;

    Nizhny Novgorod State Tech Univ naRE Alekseev 24 Minina Str Nizhnii Novgorod 603950 Russia;

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  • 中图分类 化学;
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