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Chemcial Industry and Engineering 2000, Vol. 17 Issue (5) :274-277    DOI:
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Synthesis of Dichloro Phosphorspirol and Intumescent Flame-Retardant(IFR)
XIAO Xin yan,WAN Cai xia,CHEN Guo dong (Chem.Eng.Res.Inst.,South China Univ.of Tech.,Guangdong Guangzhou 510640,China)
(Chem.Eng.Res.Inst.,South China Univ.of Tech.,Guangdong Guangzhou 510640,China

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Abstract Dichloro phosphorspirol and it′s melamine salt have been synthesized using phosphorus oxychloride (POCl 3),pentaerythritol(PEL) and melamine(MEL) as materials.The influence of reaction temperature,reacting time,and the mode of raw material feeding have been inspected and the optimal technological parameters have been confirmed.The results obtained above will provide valid evidence for the commercial production of intumescent flame retardant(IFR).
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Received 2000-09-15; published 2000-09-15
Cite this article:   
XIAO Xin yan,WAN Cai xia,CHEN Guo dong .Synthesis of Dichloro Phosphorspirol and Intumescent Flame-Retardant(IFR)[J]  Chemcial Industry and Engineering, 2000,V17(5): 274-277
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