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Comparison Study of Four Aluminum Phosphinates Filled Flame-retardant Epoxy

資料類(lèi)型：

PDF文件

關(guān)鍵詞：

metal salt of phosphinates flame retardant polymer
properties comparison

資料大小：

102K

所屬學(xué)科：

分子表征

來(lái)源：

第六屆亞歐研討會(huì)上處理和性能增強(qiáng)聚合物會(huì)議文集（2013.6.2-6 武漢）

簡(jiǎn)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(shí)間：

2013-06-27 14:04:40

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