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Synthesis and properties of an intrinsic flame retardant silicone rubber containing phosphaphenanthrene structure

机译：含磷蒽结构的固有阻燃硅橡胶的合成与性能

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摘要

A novel intrinsic flame retardant silicone rubber (SR) containing phosphaphenanthrene structure was synthesized in the present research. A series of characterizations including vertical burning testing, limiting oxygen index (LOI), microscale combustion calorimetry (MCC), thermogravimetric (TG) analysis and scanning electronic microscopy (SEM) showed that this SR possessed much quicker self-extinguishment, lower heat release rate, higher LOI and thermal stability as well as better charring capacity compared with unmodified SR. The char residues of the materials had been investigated in detail by Fourier transform infrared spectra (FT-IR) and X-ray photoelectron spectroscopy (XPS) to reveal the interactions between phosphaphenanthrene group and siloxane in the condensed phase. In addition, the corresponding physical properties such as transparence, dynamic and static mechanical performances were also evaluated.
机译：在本研究中合成了含有磷蒽蒽结构的新型固有阻燃硅橡胶（SR）。 一系列特征在内，包括垂直燃烧测试，限制氧指数（LOI），微观燃烧量热量（MCC），热重试验（TG）分析和扫描电子显微镜（SEM）表明，该SR具有更快的自熄，较低的热释放率 与未修饰的SR相比，较高的LOI和热稳定性以及更好的炭充电容量。 通过傅立叶变换红外光谱（FT-IR）和X射线光电子能谱（XPS）详细研究了材料的炭残余物，以揭示磷蒽基和硅氧烷在冷凝相中的相互作用。 另外，还评估了诸如透明，动态和静态机械性能的相应物理性质。

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  • 来源
    《RSC Advances》 |2017年第63期|共10页
  • 作者

    Chen Wei; Liu Yuansen; Xu Changan; Liu Yuan; Wang Qi;

  • 作者单位

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

    State Ocean Adm Inst Oceanog 3 Engn Res Ctr Marine Biol Resource Comprehens Util Qingdao Peoples R China;

    State Ocean Adm Inst Oceanog 3 Engn Res Ctr Marine Biol Resource Comprehens Util Qingdao Peoples R China;

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

    Sichuan Univ Polymer Res Inst State Key Lab Polymer Mat Engn Chengdu 610065 Sichuan Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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