有机硅无卤环保协效阻燃剂对PS阻燃作用的研究
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摘要
以甲基三氯硅烷、季戊四醇、三聚氰胺氰尿酸盐为原料合成有机硅无卤协效阻燃剂,将其与聚磷酸铵(APP)复配可制备环保型阻燃剂。对协效阻燃剂进行红外光谱(IR)和核磁共振氢谱(1H NMR)分析得知,所制备协效阻燃剂结构与目标产物结构一致。将复配阻燃剂注塑于聚苯乙烯(PS)塑料表面后的阻燃性能进行测定(垂直燃烧性能、极限氧指数、锥形量热仪测试)发现协效阻燃剂协效阻燃效果显著,可应用于PS塑料的协效阻燃。
Organosilicon halogen-free synergistic flame retardant was synthesized with methyl trichlorosilane,pentaerythrite and melamine cyanurate as raw materials followed by the preparation of environment-friendly flame retardant with ammonium polyphosphate( APP). According to the analysis of synergistic flame retardants by infrared spectroscopy( IR) and nuclear magnetic resonance hydrogen spectrum,the structure of the prepared synergistic flame retardant is in accordance with the structure of the target product. The flame retardancy of the composite flame retardant on the surface of polystyrene( PS)plastic was measured. The results from vertical combustion performance, limit oxygen index and cone calorimeter tests show that the synergistic flame retardants has remarkable synergistic effect, so it can be applied to the synergistic flame retardancy of PS plastics.
Organosilicon halogen-free synergistic flame retardant was synthesized with methyl trichlorosilane,pentaerythrite and melamine cyanurate as raw materials followed by the preparation of environment-friendly flame retardant with ammonium polyphosphate( APP). According to the analysis of synergistic flame retardants by infrared spectroscopy( IR) and nuclear magnetic resonance hydrogen spectrum,the structure of the prepared synergistic flame retardant is in accordance with the structure of the target product. The flame retardancy of the composite flame retardant on the surface of polystyrene( PS)plastic was measured. The results from vertical combustion performance, limit oxygen index and cone calorimeter tests show that the synergistic flame retardants has remarkable synergistic effect, so it can be applied to the synergistic flame retardancy of PS plastics.
引文
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[3]吴金坤.有机硅在无卤阻燃化技术中的应用[J].化工新型材料,1997(2):7-11.
[4]杨中文,刘西文.塑料无卤阻燃剂的研究进展[J].塑料助剂,2015,113(5):6-14.
[5]陈力,蔡绪福,任显诚.苯乙烯系树脂的无卤阻燃研究进展[J].塑料,2005,34(2):18-25.
[6]孔祥建,刘述梅,蒋智杰,等.有机硅阻燃剂对金属氢氧化物阻燃LLDPE的影响[J].合成材料老化与应用,2008,37(3):1-5.
[7]吴洁,李建新.有机硅和EVA对阻燃聚乙烯体系的影响[J].消防科学与技术,2011,30(2):149-150.
[8]王京荣.含有机硅的磷氮系无卤阻燃剂的制备研究[J].辽宁化工,2014,43(5):529-533.
[9]弭勇,赵彦生,刘永梅,等.乳液去聚苯乙烯纳米微球的制备[J].化学与生物工程,2006,23(1):10-12.
[10]李玉玲.磷、氮类阻燃剂在阻燃聚苯乙烯树脂和泡沫塑料中的应用研究[D].北京:北京化工大学,2013:15-24.
[11]黄涛,何敏,刘渝,等.膨胀型阻燃剂PEPA/MPP阻燃LGFPP性能研究[J].工程塑料应用,2015,43(3):35-39.
[12]孟圆圆,公维光,郑柏存,等.纳米蒙脱土/膨胀型阻燃剂协同阻燃线性低密度聚乙烯[J].高分子材料科学与工程,2012(12):142-146.
[13]何敏,徐定红,粟多文,等.红磷母粒与氢氧化镁协效阻燃高抗冲击强度聚苯乙烯研究[J].塑料工业,2011,39(7):43-45.
[14]姜云鹏,孙杰,陈希磊.受阻胺与聚磷酸蜜胺盐协效阻燃聚丙烯的研究[J].山东化工,2011,40(12):24-27.