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Effect of nanosized titania on the structure and properties of the composites based on butadienenitrile rubber

机译：纳米钛菊酯对基于丁二烯腈橡胶的复合材料结构和性能的影响

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摘要

Nanocomposites based on butadienenitrile rubber (butadiene copolymer with 28% acrylonitrile) with functional titania nanoparticles of different nature have been obtained, and their complex study by X-ray diffractometry, small-angle X-ray scattering, scanning electron microscopy, electron probe X-ray microanalysis, and X-ray energy-dispersive spectroscopy has been performed. Differences in the morphology and composition of the surface and transverse cuts of nanocomposites in dependence of nanoparticle characteristics are established. It is found that the nanocomposites with the largest crystallite sizes have the lowest viscosity. It is also revealed that the nature of titania nanoparticles barely affects the vulcanization kinetics, and that the optimal vulcanization time for the composites is 25 min. Uniaxial extension tests have shown that nanocomposites with the best properties can be fabricated by introducing amorphous titania into the polymer (butadienenitrile rubber).
机译：已经获得了基于丁二烯腈橡胶（丁二烯共聚物的纳米复合物，具有不同性质的功能性二氧化钛纳米颗粒，并通过X射线衍射法，小角X射线散射，扫描电子显微镜，电子探针X-复合研究 已经进行了射线微基分析和X射线能量分散光谱。 建立了纳米颗粒特性纳米复合材料的表面和横切形态和组成的差异。 发现具有最大微晶尺寸的纳米复合材料具有最低粘度。 还透露，二氧化钛纳米颗粒的性质几乎不会影响硫化动力学，并且复合材料的最佳硫化时间是25分钟。 单轴延伸试验表明，通过将无定形二氧化钛引入聚合物（丁二烯腈橡胶），可以制造具有最佳性能的纳米复合材料。

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  • 来源
    《Crystallography reports》 |2017年第5期|共10页
  • 作者

    Reznichenko S. V.; Yulovskaya V. D.; Kuzmicheva G. M.; Klechkovskaya V. V.; Orekhov A. S.; Sadovskaya N. V.; Gainanova A. A.; Amarantov S. V.;

  • 作者单位

    Moscow Technol Univ Inst Fine Chem Technol Moscow 119571 Russia;

    Moscow Technol Univ Inst Fine Chem Technol Moscow 119571 Russia;

    Moscow Technol Univ Inst Fine Chem Technol Moscow 119571 Russia;

    Russian Acad Sci Shubnikov Inst Crystallog Fed Sci Res Ctr Crystallog &

    Photon Moscow 119333 Russia;

    Russian Acad Sci Shubnikov Inst Crystallog Fed Sci Res Ctr Crystallog &

    Photon Moscow 119333 Russia;

    Karpov Inst Phys Chem Moscow 103064 Russia;

    Moscow Technol Univ Inst Fine Chem Technol Moscow 119571 Russia;

    Russian Acad Sci Shubnikov Inst Crystallog Fed Sci Res Ctr Crystallog &

    Photon Moscow 119333 Russia;

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  • 正文语种 eng
  • 中图分类 晶体学;
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