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Self-promoted phthalimide-containing phthalonitrile resins with sluggish curing process and excellent thermal stability

机译：自我促进的邻苯二甲乙二醇树脂，具有缓慢的固化过程和优异的热稳定性

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摘要

A novel unsymmetrical phthalimide-containing phthalonitrile (PIPN) was successfully synthesized. The chemical structure of the PIPN monomer was confirmed by various spectroscopic techniques. Rheology and differential scanning calorimetry (DSC) revealed that the self-promoted curing reaction of the PIPN was an extremely sluggish process. The fully cured PIPN polymers showed excellent thermal properties revealed by thermogravimetric analysis (TGA) and DSC. IR and solid-state UV-Vis diffusion reflectance spectra confirmed the formation of the triazine and phthalocyanine ring during the curing reaction. Rheometric studies suggested that the curing reaction of phthalonitrile with a phthalimide group was faster compared to the reaction with a benzimidazole ring, and a nucleophilic addition reaction mechanism was successfully introduced to explain this phenomenon.
机译：成功地合成了一种新的含有非对称邻苯二甲酰亚乙二醇（PIPN）。 通过各种光谱技术证实了PIPn单体的化学结构。 流变学和差动扫描量热法（DSC）显示，PIPN的自我促进固化反应是极其缓慢的过程。 全固化的PIPn聚合物显示出通过热重分析（TGA）和DSC显示出优异的热性能。 IR和固态UV-VI扩散反射光谱证实了在固化反应过程中形成三嗪和酞菁环。 风湿研究表明，与苯并咪唑环的反应相比，邻苯二甲腈的固化反应与与苯并咪唑环的反应相比，成功地引入了亲核加成反应机理以解释这种现象。

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  • 来源
    《RSC Advances》 |2015年第21期|共8页
  • 作者

    Hu Jianghuai; Liu Yancui; Jiao Yan; Ji Suchun; Sun Rui; Yuan Ping; Zeng Ke; Pu Xuemei; Yang Gang;

  • 作者单位

    Sichuan Univ Coll Polymer Sci &

    Engn State Key Lab Polymer Mat Engn Chengdu 610065 Peoples R China;

    Sichuan Univ Coll Polymer Sci &

    Engn State Key Lab Polymer Mat Engn Chengdu 610065 Peoples R China;

    Sichuan Univ Coll Chem Chengdu 610064 Peoples R China;

    Sichuan Univ Coll Polymer Sci &

    Engn State Key Lab Polymer Mat Engn Chengdu 610065 Peoples R China;

    Sichuan Univ Coll Polymer Sci &

    Engn State Key Lab Polymer Mat Engn Chengdu 610065 Peoples R China;

    Sichuan Univ Coll Polymer Sci &

    Engn State Key Lab Polymer Mat Engn Chengdu 610065 Peoples R China;

    Sichuan Univ Coll Polymer Sci &

    Engn State Key Lab Polymer Mat Engn Chengdu 610065 Peoples R China;

    Sichuan Univ Coll Chem Chengdu 610064 Peoples R China;

    Sichuan Univ Coll Polymer Sci &

    Engn State Key Lab Polymer Mat Engn Chengdu 610065 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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