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首页> 外文期刊>RSC Advances >Nitrogen/phosphorus synergistic flame retardant-filled flexible polyurethane foams: microstructure, compressive stress, sound absorption, and combustion resistance
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Nitrogen/phosphorus synergistic flame retardant-filled flexible polyurethane foams: microstructure, compressive stress, sound absorption, and combustion resistance

机译：氮/磷协同阻燃填充柔性聚氨酯泡沫：微观结构，压缩应力，吸声和燃烧性

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摘要

Compared with a rigid polyurethane foam, a flexible polyurethane foam (FPUF) has more diversified applications including filtration, sound absorption, vibration-proofing, decoration, packaging, and heat insulation. However, its most potential hazard is flammability. Therefore, in this study, we focused on improving its flame retardation and then tested its sound absorption with the addition of nitrogen/phosphorus synergistic flame retardants. The influence of phosphorus-based flame retardants (TCPP, TDCP, and V6) and a nitrogen/phosphorus synergistic flame retardant (melamine-TDCP) on its microstructure, compressive stress, sound absorption, thermal stability, and flame retardation was systematically explored. The presence of phosphorus flame retardants improved the sound absorption but considerably decreased the mechanical properties. The melamine-TDCP compound flame retardant delivered smaller cells and thus increased the compression property of the resulting foam. Moreover, with a higher content of melamine, the initial mass-loss temperature also increased. In particular, on using TDCP and 5 wt% of melamine as flame retardants, the compressive stress increased by 3.4 times, the average sound absorption coefficient was 0.45, and LOI reached 25.5, which met the requirements of industrial flame retardant/sound absorbent materials. This resultant flame retardant/sound absorbent flexible polyurethane foam can serve as a mattress and furniture pad material, vehicle seat cushion material, and liner for laminated composites in the future.
机译：与刚性聚氨酯泡沫相比，柔性聚氨酯泡沫（FPUF）具有更多样化的应用，包括过滤，吸音，防振，装饰，包装和隔热。然而，它最潜在的危险是易燃性。因此，在本研究中，我们专注于改善其阻燃性，然后通过添加氮/磷协同阻燃剂来测试其吸声。系统地探索了基于磷的阻燃剂（TCPP，TDCP和V6）和氮/磷协同阻燃剂（三聚氰胺-TDCP）的影响，对其微观结构，压缩应力，吸声，热稳定性和阻燃性。磷阻燃剂的存在改善了吸声，但显着降低了机械性能。三聚氰胺-TDCP化合物阻燃剂递送较小的细胞，从而增加所得泡沫的压缩性能。此外，具有较高含量的三聚氰胺，初始质量损失温度也增加。特别地，在使用TDCP和5wt％的三聚氰胺作为阻燃剂，压缩应力增加3.4次，平均吸声系数为0.45，LOI达到25.5，达到了工业阻燃/吸声材料的要求。该所得阻燃/声吸收柔性聚氨酯泡沫可以用作床垫和家具垫材料，车辆座垫材料，以及未来层叠复合材料的衬垫。

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  • 来源
    《RSC Advances》 |2019年第37期|共10页
  • 作者

    Li Ting-Ting; Xing Mengfan; Wang Hongyang; Huang Shih-Yu; Fu Chengeng; Lou Ching-Wen; Lin Jia-Horng;

  • 作者单位

    Tianjin Polytech Univ Sch Text Sci &

    Engn Innovat Platform Intelligent &

    Energy Saving Text Tianjin 300387 Peoples R China;

    Tianjin Polytech Univ Sch Text Sci &

    Engn Innovat Platform Intelligent &

    Energy Saving Text Tianjin 300387 Peoples R China;

    Tianjin Polytech Univ Sch Text Sci &

    Engn Innovat Platform Intelligent &

    Energy Saving Text Tianjin 300387 Peoples R China;

    Minjiang Univ Fujian Key Lab Novel Funct Fibers &

    Mat Fuzhou 350108 Fujian Peoples R China;

    Tianjin Polytech Univ Sch Text Sci &

    Engn Innovat Platform Intelligent &

    Energy Saving Text Tianjin 300387 Peoples R China;

    Tianjin Polytech Univ Sch Text Sci &

    Engn Innovat Platform Intelligent &

    Energy Saving Text Tianjin 300387 Peoples R China;

    Tianjin Polytech Univ Sch Text Sci &

    Engn Innovat Platform Intelligent &

    Energy Saving Text Tianjin 300387 Peoples R China;

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