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首页> 外文期刊>Polymers for advanced technologies >Effect of natural basalt fiber for EVA composites with nickel alginate-brucite based flame retardant on improving fire safety and mechanical properties
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Effect of natural basalt fiber for EVA composites with nickel alginate-brucite based flame retardant on improving fire safety and mechanical properties

机译：EVA复合材料对藻酸盐 - 布苏酸盐的抗火阀提高防火和力学性能的影响

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摘要

The natural basalt fiber (BF) was incorporated into EVA composites with environmental-friendly nickel alginate-brucite based flame retardant (NiFR), to further improve the flame-retardant effect and mechanical properties. The flame retardancy of EVA composites were characterized by LOI, UL 94, and cone test. With 55 wt% loading, 3BF/52NiFR had the highest LOI value of 31.9 vol.% in all fiber reinforced composites and pass UL 94V-0 ratting. And comparing to 55B composite with untreated brucite, 3BF/52NiFR decreased peak of heat release rate by 47.8%, total heat release by 21.9%, and total smoke production by 35.5% and kept more residue 54.0% during cone test. Moreover, 3BF/52NiFR also enhanced the mechanical properties of composites by better compatibility with EVA matrix. BF/NiFR exert synergistic flame-retardant effect major in promoting charring effect in condensed phase during combustion. The fire-resisted and rigid BF into the char layer reinforced the intensity of protective barrier which prolonged the residence time of pyrolysis carbonaceous groups degraded from EVA matrix, resulting in less heat and smoke release.
机译：将天然玄武岩纤维（BF）掺入EVA复合材料中，具有环芳型镍藻酸盐 - 布苏酸盐的阻燃剂（NIFR），以进一步改善阻燃效果和机械性能。 EVA复合材料的阻燃性以LOI，UL 94和锥形试验为特征。含有55wt％的载荷，3bf / 52nifr具有最高的LOI值31.9 Vol.％在所有纤维增强复合材料中，并通过UL 94V-0 roting。与未处理的Brucite的55b复合材料相比，3bf / 52nifr将热释放速率的峰值降低47.8％，总热量释放量为21.9％，总烟雾产生35.5％，在锥形试验期间保持更多的残留物54.0％。此外，3BF / 52NIFR还通过更好地与EVA基质相容增强了复合材料的机械性能。 BF / NiFr施加协同阻燃效应主要在燃烧过程中促进冷凝相中的炭化效应。耐火和刚性BF进入炭层加强了保护屏障的强度，该屏障延长了热解碳质的停留时间从EVA基质中降解，导致较少的热量和烟雾释放。

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  • 作者

    Wang Jingyu; Shi Hui; Zhu Pinlei; Wei Yuanjie; Wei Ping; Hao Jianwei;

  • 作者单位

    Beijing Inst Technol Natl Engn Technol Res Ctr Flame Retardant Mat Sch Mat Mat Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Natl Engn Technol Res Ctr Flame Retardant Mat Sch Mat Mat Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Natl Engn Technol Res Ctr Flame Retardant Mat Sch Mat Mat Sci &

    Engn Beijing 100081 Peoples R China;

    Beijing Inst Technol Natl Engn Technol Res Ctr Flame Retardant Mat Sch Mat Mat Sci &

    Engn Beijing 100081 Peoples R China;

    Shanghai Jiao Tong Univ Sch Chem &

    Chem Engn Shanghai 200240 Peoples R China;

    Beijing Inst Technol Natl Engn Technol Res Ctr Flame Retardant Mat Sch Mat Mat Sci &

    Engn Beijing 100081 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 高分子化合物工业（高聚物工业）;
  • 关键词

    basalt fiber; brucite; flame retardant; nickel alginate;

    机译：玄武岩纤维;Brucite;阻燃剂;藻酸镍;

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