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首页> 外文会议>Conference on Recent Advances in Flame Retardancy of Polymeric Materials; Jun 2-4, 2003; Stamford, CT, U.S.A. >THE EFFECT OF PHOSPHORUS-CONTAINING FLAME RETARDANTS AND NANOCLAY ON THE BURNING BEHAVIOR OF POLYAMIDES 6 AND 6.6
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THE EFFECT OF PHOSPHORUS-CONTAINING FLAME RETARDANTS AND NANOCLAY ON THE BURNING BEHAVIOR OF POLYAMIDES 6 AND 6.6

机译：含磷阻燃剂和纳米粘土对聚酰胺6和6.6燃烧行为的影响

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摘要

In order to develop acceptable levels of flame retardancy in polyamides 6 and 6.6 when phosphorus-containing flame retardants are added, concentrations of at least 20% (w/w) are required which are too high for end-uses such as fibers and films. We have proposed that the addition of functionalized nanoclays may enable this threshold concentration to be reduced thereby enabling acceptable levels of flame retardancy to be achieved at lower levels of additive. Experiments using a range of additives including ammonium polyphosphate, melamine phosphate, cyclic phosphonate species and other P-containing species suggest that synergistic, additive and antagonistic effects are observed depending on the flame retardant-nanoclay combination chosen. This paper reports the results based on limiting oxygen index in the first instance in addition to the initial results of char formation derived from thermal analysis.
机译：为了在添加含磷阻燃剂时在聚酰胺6和6.6中达到可接受的阻燃水平，要求至少20％（w / w）的浓度对于最终用途（如纤维和薄膜）而言过高。我们已经提出，添加官能化的纳米粘土可以使该阈值浓度降低，从而在较低的添加剂水平下可以实现可接受的阻燃性。使用多种添加剂（包括聚磷酸铵，三聚氰胺磷酸酯，环状膦酸酯物质和其他含P物质）进行的实验表明，根据所选的阻燃剂-纳米粘土组合，可以观察到协同，添加剂和拮抗作用。本文首先报告了基于极限氧指数的结果，以及从热分析得出的炭形成的初步结果。

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