丁香油酚改性环磷腈对氢氧化镁阻燃EPDM性能影响的研究
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摘要
合成了丁香油酚改性的环磷腈衍生物(Eu HCTP),并通过傅里叶红外光谱、核磁共振光谱等测试方法对合成的Eu HCTP进行了成分分析与结构表征,研究了其对三元乙丙橡胶/氢氧化镁(EPDM/MH)复合材料的阻燃和力学性能的影响。应用氧指数测定仪、热重分析仪和万能材料试验机对EPDM/MH的性能进行了测试。研究结果表明,Eu HCTP能够提高复合材料的热稳定性、阻燃性能和韧性。当添加6%的Eu HCTP时,复合材料的极限氧指数(LOI)为29.5%,达到难燃级别,其断裂伸长率提高至713%,但其拉伸强度降低。
In this paper,the eugenol modified cyclophosphazene(Eu HCTP) was synthesized,and the composition and structure of Eu HCTP were analyzed and characterized by FT-IR,NMR and other methods.At the same time,the effects of flame retardant and mechanical properties on the ethylene propylene diene terpolymer(EPDM)/magnesium hydroxide(MH) composites were studied.The properties of EPDM/MH composites were tested by oxygen index tester,TGA and universal materials tester.The experimental results show that the limiting oxygen index(LOI),thermal stability and toughness of the composites can be improved by Eu HCTP.When 6% Eu HCTP is added,the LOI of EPDM/MH composites value is 29.5%,achieving a nonflammable rating;and the elongation at break of composites is increased to 713%,however the tensile strength is decreased.
In this paper,the eugenol modified cyclophosphazene(Eu HCTP) was synthesized,and the composition and structure of Eu HCTP were analyzed and characterized by FT-IR,NMR and other methods.At the same time,the effects of flame retardant and mechanical properties on the ethylene propylene diene terpolymer(EPDM)/magnesium hydroxide(MH) composites were studied.The properties of EPDM/MH composites were tested by oxygen index tester,TGA and universal materials tester.The experimental results show that the limiting oxygen index(LOI),thermal stability and toughness of the composites can be improved by Eu HCTP.When 6% Eu HCTP is added,the LOI of EPDM/MH composites value is 29.5%,achieving a nonflammable rating;and the elongation at break of composites is increased to 713%,however the tensile strength is decreased.
引文
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[5]卢绮云.三元乙丙橡胶在广州地铁工程中的应用[J].广东建材,2003(6):11-13.
[6]刘立华,宋云华,陈建铭,等.纳米氢氧化镁表面改性研究[J].化工进展,2004,23(1):76-79.
[7]冯钠,刘建辉,常素芹.氢氧化镁表面化学改性及其在塑料中的应用研究进展[J].塑料科技,2012,40(1):99-103.
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[9]邵宗龙,胡源,何前锋,等.聚磷嗪化合物的合成及其阻燃性能的研究[J].合肥工业大学学报:自然科学版,2000,23(4):601-603.
[10]大冢化学株式会社.交联的苯氧基膦腈化合物、其制备方法、阻燃剂、阻燃性树脂组合物和阻燃性树脂成形体:99809510.9[P].2001-09-12.
[11]ZIMA V,SVOBODA J,BENES L,et al.Synthesis and characterization of new strontium 4-carboxyphenylphosphonates[J].J Solid State Chem,2007,180(3):929-939.
[12]张亨.我国六氯环三磷腈的合成和应用研究进展[J].塑料助剂,2012(2):11-17.
[13]杨明山,刘阳,李林楷,等.六苯氧基环三磷腈的合成及对IC封装用EMC的无卤阻燃[J].中国塑料,2009,23(8):35-38.
[14]胡源,胡进良,范维澄,等.含羟基环三磷腈衍生物的合成及其对聚氨酯的阻燃改性[J].火灾科学,1996,5(2):12-16.
[15]YOU G Y,CAI Z,PENG H,et al.A well-defined cyclotriphosphazene-based epoxy monomer and its application as a novel epoxy resin:Synthesis,curing behaviors,and flame retardancy[J].Phosphorus,Sulfur,and Silicon and the Related Elements,2014,189(4):541-550.