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首页> 外文期刊>Fibers and Polymers >Synthesis and Application of Phosphorus-containing Flame Retardant Plasticizer for Polyvinyl Chloride
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Synthesis and Application of Phosphorus-containing Flame Retardant Plasticizer for Polyvinyl Chloride

机译：聚氯乙烯含磷阻燃增塑剂的合成与应用

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摘要

A novel phosphorus-containing flame retardant plasticizer (PFRP) derived from castor oil acid methyl ester (COME) was synthesized to substitute dioctyl phthalate (DOP) for plasticizing polyvinyl chloride (PVC) products. The chemical structures of PFRP were confirmed by fourier transform infrared spectroscopy (FTIR) and H-1 nuclear magnetic resonance (H-1 NMR). Meanwhile, the plasticizing effect, flammability and thermal stability of plasticized PVC films were investigated by dynamic mechanical analyzer (DMA), limiting oxygen index (LOI) test, scanning electron microscope (SEM) and thermogravimetric analysis (TGA). As the PFRP content increasing from 0 wt% to 50 wt% amount of plasticizers, the plasticizing efficiency and the mechanical properties showed a slightly decreasing tendency compared with that of DOP, while the LOI value of plasticized PVC increased remarkably from 21.5% to 25.2%, showing a combined plasticizing efficiency and flame retardancy. SEM and TGA analysis indicated that PFRP had little effect on thermal stability but was effective to promote the formation of compact carbon residue.
机译：合成衍生自蓖麻油甲基酯（转沸器）的新型含磷阻燃剂（PFRP）以替代邻苯二甲酸酯（DOP）以塑化聚氯乙烯（PVC）产物。通过傅里叶变换红外光谱（FTIR）和H-1核磁共振（H-1 NMR）证实了PFRP的化学结构。同时，通过动态机械分析仪（DMA）研究了塑化的PVC膜的增塑作用，易燃性和热稳定性，限制了氧指数（LOI）试验，扫描电子显微镜（SEM）和热重分析（TGA）。随着PFRP含量从0wt％增加到50wt％的增塑剂，与DOP相比，塑化效率和机械性能显示出略微降低的趋势，而增塑PVC的LOI值显着增加到21.5％至25.2％ ，表示合并增塑效率和阻燃性。 SEM和TGA分析表明，PFRP对热稳定性几乎没有影响，但促进了缩小碳残留物的形成有效。

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