Synthesis of flame-retardant phosphaphenanthrene derivatives with high phosphorus contents

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	Synthesis of flame-retardant phosphaphenanthrene derivatives with high phosphorus contents
	Zheng, Jinyun ; Yu, Yujian ; Zhang, Lulu ; Zhen, Xiaomin ; Zhao, Yuf ; Zhao YF(赵玉芬)
刊名	http://dx.doi.org/10.1071/CH13722
	2014
关键词	Chlorine compounds Differential scanning calorimetry Flame retardants Fourier transform infrared spectroscopy Gravimetric analysis Lithium alloys Lithium compounds Mass spectrometry Nuclear magnetic resonance spectroscopy Phosphorus Sy
英文摘要	Two novel types of phosphate derivatives of phosphaphenanthrene with a high phosphorus content were prepared by phosphorylation reaction between either 2-(6-oxido-6H-dibenz?c,e??1,2?oxaphosphorin-6-yl)-methanol (ODOPM) or 2-(6-oxido-6H-dibenz?c,e??1,2.oxaphosphorin-6-yl)-1,4-benzenediol (ODOPB) and dialkyl phosphoryl chloride. The structures of all compounds were characterised by 1H NMR, 13C NMR, 31P NMR, Fourier transform infrared spectroscopy, and high-resolution mass spectrometry. The thermal stability of representative compounds was determined by thermal gravimetric analysis and differential scanning calorimetry. The results showed that the compounds have excellent resistance to oxidation, high thermal stability with an onset decomposition temperature above 200°C, and a high char yield over 25 %, owing to the high P content. The representative compound was added to conventional electrolytes of lithium-ion batteries as flame retardant additive, and the self-extinguishing time and ionic conductivity were measured. The result showed that the compounds have effective flame retardant properties. ? CSIRO 2014.
语种	英语
出版者	CSIRO
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/89860]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Zheng, Jinyun,Yu, Yujian,Zhang, Lulu,et al. Synthesis of flame-retardant phosphaphenanthrene derivatives with high phosphorus contents[J]. http://dx.doi.org/10.1071/CH13722,2014.
APA	Zheng, Jinyun,Yu, Yujian,Zhang, Lulu,Zhen, Xiaomin,Zhao, Yuf,&赵玉芬.(2014).Synthesis of flame-retardant phosphaphenanthrene derivatives with high phosphorus contents.http://dx.doi.org/10.1071/CH13722.
MLA	Zheng, Jinyun,et al."Synthesis of flame-retardant phosphaphenanthrene derivatives with high phosphorus contents".http://dx.doi.org/10.1071/CH13722 (2014).