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Preparation of carbon-based hybrid particles and their application in microcellular foaming and flame-retardant materials

机译：碳基杂交颗粒的制备及其在微孔发泡和阻燃材料中的应用

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摘要

Polymeric microcellular foams with high strength and light weight are very important for industrial applications. However, regulating their cell structure and their weak flame retardancy are problematic. We designed single-arm POSS-based ionic liquids ([bel-POSS][PF6]), and constructed hybrid composites based on physical interaction between ionic liquids and carbon-based materials in PS microcellular foaming. Ionization of bel-POSS could result in a quaternary ammonium reaction and ion-exchange reaction, and the carbon materials exhibit good dispersion through blending. The prepared hybrid composites showed high CO2 adsorption. Conical calorimeter tests showed that PS composite materials could reduce the heat release rate, total heat release, toxic gases (CO2 and CO) release, and amount of smoke generated. These carbon materials could affect PS micropore structure, including the cell diameter and density. Upon addition of 5 wt% of carbon materials, the hole diameter decreased by 50%, and the hole density increased nearly ten folds.
机译：具有高强度和重量轻的聚合物微孔泡沫对于工业应用非常重要。然而，调节其细胞结构及其弱阻燃性是有问题的。我们设计了单臂足部基于离子液体（[BEL-POSS] [PF6]），并基于PS微孔发泡中的离子液体和碳基材料之间的物理相互作用构造的混合复合材料。 BEL-POSS的电离可能导致季铵反应和离子交换反应，并且碳材料通过混合表现出良好的分散体。制备的杂交复合材料显示出高CO 2吸附。锥形量热计测试表明，PS复合材料可降低热释放速率，总热释放，有毒气体（CO2和CO）释放量，以及产生的烟雾量。这些碳材料可能影响PS微孔结构，包括细胞直径和密度。加上5％wt％的碳材料后，孔径减小> 50％，孔密度增加近10倍。

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  • 来源
    《RSC Advances》 |2018年第47期|共8页
  • 作者

    He Zhicai; Zhao Zhengping; Xiao Shengwei; Yang Jintao; Zhong Mingqiang;

  • 作者单位

    Taizhou Univ Coll Med &

    Chem Engn Taizhou 318000 Zhejiang Peoples R China;

    Zhejiang Univ Technol Zhijiang Coll Hangzhou 310014 Zhejiang Peoples R China;

    Taizhou Univ Coll Med &

    Chem Engn Taizhou 318000 Zhejiang Peoples R China;

    Zhejiang Univ Technol Coll Mat Sci &

    Engn Hangzhou 310014 Zhejiang Peoples R China;

    Zhejiang Univ Technol Coll Mat Sci &

    Engn Hangzhou 310014 Zhejiang Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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