一种环状磷酸酯阻燃剂的合成及表征
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摘要
分别运用离子液体[Bmim]BF_4和氯化镁两种不同的催化剂催化一步法合成环状磷酸酯阻燃剂,并进行红外、气相色谱和质谱等表征,探究合成效果最好的催化剂种类。结果发现,以离子液体为催化剂的一组相比于以氯化镁催化剂的一组,不仅反应快,而且合成的环状磷酸酯的产率很高。
Two different catalysts, ionic liquid [Bmim]BF_4 and magnesium chloride, were used to synthesize cyclic phosphate flame retardants by one-step method. The products were characterized by IR and gas chromatography-mass spectrometry to find out the type of catalyst with the best effect. The results show that ionic liquid [Bmim]BF_4 is a better catalyst for the synthesis of cyclic phosphate flame retardant. Not only the reaction is quick, but also the yield of synthetic cyclic phosphate is high.
Two different catalysts, ionic liquid [Bmim]BF_4 and magnesium chloride, were used to synthesize cyclic phosphate flame retardants by one-step method. The products were characterized by IR and gas chromatography-mass spectrometry to find out the type of catalyst with the best effect. The results show that ionic liquid [Bmim]BF_4 is a better catalyst for the synthesis of cyclic phosphate flame retardant. Not only the reaction is quick, but also the yield of synthetic cyclic phosphate is high.
引文
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[2]FANG W,SIYU P,PEIKUN Z ,et al.Synthesis and application of phosphorus-containing flame retardant plasticizer for polyvinyl chloride [J].Fibers and Polymers,2018,19(5):1057-1063.
[3]WANG S,DU Z,CHENG X ,et al.Synthesis of a phosphorus-and nitrogen-containing flame retardant and evaluation of its application in waterborne polyurethane [J].Journal of Applied Polymer Science,2018,135(6):46093.
[4]JANUSZEWSKI R,DUTKIEWICZ M,MACIEJEWSKI H,et al.Synthesis and characterization of phosphorus-containing,silicone rubber based flame retardant coatings [J].Reactive and Functional Polymers,2018,123:1-9.
[5]孙志松.环状磷酸酯无卤阻燃剂的合成与表征 [D].广州:华南理工大学,2013.
[6]马作广,倪忠斌,东为富,等.一种环状磷酸酯的合成及其阻燃性能测定 [J].精细化工,2018,35(2):320-325.
[7]ANDERSON J J,CAMACHO V G,KINNEY R E.Cyclic phosphonate esters and their preparation [P].US:3789091 A,1971-12-15.
[8]HOANG D Q,KIM J,JANG B N.Synthesis and performance of cyclic phosphorus-containing flame retardants [J].Polymer Degradation & Stability,2008,93(11):2042-2047.
[9]董春梅,孙才英,展召顺,等.离子液体[Bmim]BF4催化合成环状膦酸酯Antiblaze [J].精细化工,2011,28(6):581-584.
[10]BRADLEY A E,HARDACRE C,HOLBREY J D ,et al.Small-angle X-ray scattering studies of liquid crystalline 1-alkyl-3-methylimidazolium salts[J].Chemistry of Materials,2002,14(2):629-635.
[11]徐辉,桂奇飞,谌志华,等.碱性离子液体催化的一锅法合成4-氨基苯乙烯衍生物 [J].有机化学,2015,35(9):1910-1916.
[12]STEINRüCK H-P,WASSERSCHEID P.Ionic liquids in catalysis [J].Catalysis Letters,2015,145(1):380-397.