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Comparison Study of Four Aluminum Phosphinates Filled Flame-retardant Epoxy  
Comparison Study of Four Aluminum Phosphinates Filled Flame-retardant Epoxy
資料類型: PDF文件
關(guān)鍵詞: metal  salt  of  phosphinates  flame  retardant  polymer  
properties  comparison  
資料大?。?/td> 102K
所屬學(xué)科: 分子表征
來源: 第六屆亞歐研討會上處理和性能增強(qiáng)聚合物會議文集(2013.6.2-6 武漢)
簡介:
Epoxyresins(EP)holdanimportantpositioninpolymermaterialscl],whiledialkylphosphinatesaltsbelongtonewlydevelopedphosphorus-containingfireretardantsc2].Differenceinstructureofalkylgroupattachedonphosphorusatomwillcauseadifferenceinpropertiesofphosphinatesaltitself,whichwillcauseavariationofperformanceforpolymercomposites.Inthisstudy,thecomparedinvestigationoffouraluminumdialkylphosphinatesfilledEPcompositeswascarriedout:aluminummethylethylphosphinate(AI(MEP》,aluminumdiethylphosphinate《AI(DEP》,aluminummethylbutylphosphinate(AI(MBP》andaluminiummethylcyclohexylphosphinate(AI(MHP》.Theinfluenceofalkylgroupofaluminumphosphinatesontheflameretardancyofthepolymerwasinvestigatedwithalimitingoxygenindex(LOI)andUL-94test.ThethermalstabilityoffourphosphinatessaltsandtheircompositeswasstudiedbyTGandDSC,thecompatibilitybetweenaluminumphosphinatesandEPwasdeterminedwithSEM.Inaddition,flexuralstrengthoftheEPcompositesaswellasleachingofthephosphinatesaltsfromEPwerealsoinvestigated.A1(MEP)showshighestthermalstabilityandflameretardancyduetoitshighestphosphoruscontentandthesmallestalkylgroup.AI(MBP)andAI(DEP)havemiddlesizeofalkylgroupandexhibitbettercompatibilitywithEPandhigherflexuralstrengththanAI(MEP)andAI(MHP).ThewatersolubilityoffoursaltsisAI(MEP》AI(MHP》AI(MBP》AI(DEP).LeachingoffouraluminumphosphinatesfromEPdecreasewithvolumeofalkylgroupincreasing,AI(MHP)showslowestleaching.
作者: H. Zhou, J. Y. Liu, X. Liu, H. Wang, C. L. Hu
上傳時間: 2013-06-27 14:04:40
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