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Preparation and characterization of polyamide 6 fibre based on a phosphorus-containing flame retardant

机译：基于含磷阻燃剂的聚酰胺6纤维的制备与表征

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摘要

Intrinsically flame retardant polyamide 6 (FRPA6) was synthesized by melt polycondensation of caprolactam and 9,10-dihydro-10-[2,3-di(hydroxycarbonyl)propyl]-10-phosphaphenanthrene-10-oxide (DDP). Following this, FRPA6 fibres were prepared by melt spinning. The chemical structure, thermal stability, mechanical and combustion properties of FRPA6 were characterized by Fourier transform infrared spectroscopy, nuclear magnetic resonance spectroscopy, differential scanning calorimetry, thermogravimetric analysis, tensile measurements, vertical burning measurements, limiting oxygen index (LOI) measurements, cone calorimetry and scanning electron microscopy. The thermal stability of FRPA6 decreased to a certain extent, but the amount of residual char was improved. FRPA6 containing 5 wt% DDP could achieve a V-0 rating with an LOI value of 33.7%. The spinnability of FRPA6 fibres was good and the tenacity at break reached 3.0 cN dtex(-1) which met the requirements of textiles. The flame retardancy of FRPA6 fibres was definitely improved and the LOI value of FRPA6-5 fabric could reach 28.4%, thereby showing good prospect in applications.
机译：固有阻燃性聚酰胺6（FRPA6）通过己内酰胺和9,10-二氢-10- [2,3-二（羟基羰基）丙基] -10-磷杂-10-氧化物（DDP）的熔融缩聚合成。在此之后，经熔融纺丝制得的纤维FRPA6。的化学结构，热稳定性，FRPA6的机械和燃烧性能进行了傅立叶其特征在于变换红外光谱，核磁共振光谱法，差示扫描量热法，热重分析，拉伸测量，垂直燃烧测量，极限氧指数（LOI）的测量，锥形量热仪和扫描电子显微镜。 FRPA6的热稳定性降低到一定程度，但残余的炭量得到了改善。含FRPA6 5重量％DDP可以实现V-0评级，33.7％的LOI值。 FRPA6纤维的可纺性好，断裂韧性达到其满足纺织品需求3.0 CN分特（-1）。 FRPA6纤维的阻燃性明显的改善和FRPA6-5织物的LOI值可达到28.4％，从而表示应用良好的应用前景。

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  • 来源
    《RSC Advances》 |2018年第17期|共11页
  • 作者

    Liu Ke; Li Yuanyuan; Tao Lei; Xiao Ru;

  • 作者单位

    Donghua Univ Coll Mat Sci &

    Engn State Key Lab Modicat Chem Fibers &

    Polymer Mat Shanghai 201620 Peoples R China;

    Donghua Univ Coll Mat Sci &

    Engn State Key Lab Modicat Chem Fibers &

    Polymer Mat Shanghai 201620 Peoples R China;

    Donghua Univ Coll Mat Sci &

    Engn State Key Lab Modicat Chem Fibers &

    Polymer Mat Shanghai 201620 Peoples R China;

    Donghua Univ Coll Mat Sci &

    Engn State Key Lab Modicat Chem Fibers &

    Polymer Mat Shanghai 201620 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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