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首页> 外文期刊>Journal of Applied Polymer Science >Flame-retardant properties of soybean fabric modified with N-methylol diakyl phosphonopropionamide
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Flame-retardant properties of soybean fabric modified with N-methylol diakyl phosphonopropionamide

机译：N-羟甲基二烷基膦酰基丙酰胺改性大豆织物的阻燃性能

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摘要

Soybean is a competitive production material for fibers as it is abundant and cost effective. However, an inherent deficiency of soybean fiber is its poor flame-retardant performance. In this study, the effect of N-methylol diakyl phosphonopropionamide (Pyrovatex CP) on the flame retardancy of soybean was investigated by the Limiting Oxygen Index (L.O.I.) and the vertical flammability test. Little benefit with regard to flame retardancy was found when soybean was treated with Pyrovatex CP in the absence of additives. However, the incorporation of Lyofix MLF in the finishing treatment (3% w/v) increased the L.O.I. values of soybean fiber and enhanced char formation as indicated by Thermogravimetric Analysis (TGA). Improved fastness to washing was observed at higher application levels of Lyofix MLF (6% w/v). X-ray Photoelectron Spectroscopy (XPS) indicated that surface phosphorus (% atomic) was reduced following washing for all fabrics examined. In addition, the substantivity of Lyofix MLF to soybean surface was exhibited. The flame-retardant treatment presented in this article is cost effective and results in wash-durable flame-retardant fabrics.
机译：大豆是纤维的有竞争力的生产材料，因为它丰富且具有成本效益。然而，大豆纤维的固有缺陷是其差的阻燃性能。在这项研究中，通过极限氧指数（L.O.I.）和垂直可燃性试验研究了N-羟甲基二烷基膦酰基丙酰胺（Pyrovatex CP）对大豆阻燃性的影响。当在不添加添加剂的情况下用Pyrovatex CP处理大豆时，发现阻燃性几乎没有好处。但是，在后处理中掺入Lyofix MLF（3％w / v）增加了L.O.I。如热重分析（TGA）所示，大豆纤维的热值和增加的焦炭形成。在较高的Lyofix MLF（6％w / v）用量下，观察到耐洗牢度有所提高。 X射线光电子能谱（XPS）表明，对所有检查过的织物进行清洗后，表面磷（原子百分比）均降低了。另外，显示了Lyofix MLF对大豆表面的直接性。本文中介绍的阻燃处理具有成本效益，可制成耐水洗的阻燃织物。

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