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Effects of biopolyimide molecular design on their silica hybrids thermo-mechanical, optical and electrical properties

机译：杀菌酰亚胺分子设计对二氧化硅杂种热机械，光学电气性能的影响

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摘要

Polymers, derived from bio-derived resources, have gained considerable momentum because of a lower dependence over conventional fossil-based resources without compromising the materials' thermo-mechanical properties. Unique characteristics of organic and inorganic materials can be incorporated by a combination of both to obtain hybrid materials. We have recently developed a series of transparent biopolyimides (BPI) from a biologically derived exotic amino acid, 4-aminocinnamic acid (4ACA) to yield 4-amino truxillic ester (4ATA ester) derivatives. In the present research, the polyimide-precursor was subjected to sol-gel polycondensation reactions with silicon-alkoxide followed by annealing under vacuo to yield a biopolyimide-silica hybrid. The biopolyimide structures (4ATA acid/ester) and their silica hybrids thermo-mechanical, electrical and optical performance were evaluated. It was found that the biopolyimide with 4ATA(ester) yields thermo-mechanically robust films with very high electrical stability as well as optical transparency, plausibly due to the uniform dispersion of the silica particles in the biopolyimide matrix.
机译：源自生物衍生资源的聚合物，由于对常规化石资源的依赖性较低，而不会损害材料的热机械性能，因此具有相当大的动力。有机和无机材料的独特特征可以通过两者的组合来加入杂种材料。我们最近从生物衍生的外来氨基酸，4-氨基氨基酸（4aca）开发了一系列透明的生物聚酰亚胺（BPI），得到4-氨基葡萄状酯（4酯）衍生物。在本研究中，将聚酰亚胺 - 前体与硅 - 醇盐进行溶胶 - 凝胶缩聚反应，然后在真空下退火，得到生物聚酰亚胺 - 二氧化硅杂种。杀菌酰亚胺结构（4ata酸/酯）及其二氧化硅杂种热机械，电气和光学性能。发现具有4ata（酯）的杀菌酰亚胺，产生具有非常高的电稳定性的热机械稳健的薄膜以及光学透明度，因此由于二氧化硅颗粒在杀菌酰亚胺基质中的均匀分散而具有可粘合的。

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  • 来源
    《RSC Advances》 |2018年第25期|共8页
  • 作者

    Dwivedi S.; Sakamoto S.; Kato S.; Mitsumata T.; Kaneko T.;

  • 作者单位

    Japan Adv Inst Sci &

    Technol Grad Sch Adv Sci &

    Technol Energy &

    Environm Area 1-1 Asahidai Nomi Ishikawa 9231292 Japan;

    Japan Adv Inst Sci &

    Technol Grad Sch Adv Sci &

    Technol Energy &

    Environm Area 1-1 Asahidai Nomi Ishikawa 9231292 Japan;

    Niigata Univ Fac Engn Dept Mat Sci &

    Technol Nishi Ku Niigata 9502181 Japan;

    ALCA Japan Sci &

    Technol Tokyo 1020076 Japan;

    Japan Adv Inst Sci &

    Technol Grad Sch Adv Sci &

    Technol Energy &

    Environm Area 1-1 Asahidai Nomi Ishikawa 9231292 Japan;

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  • 正文语种 eng
  • 中图分类 化学;
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